Installer reference guide

Transcription

1 Instllr rfrn gui Dikin Althrm Low tmprtur split + ERHQ BA ERLQ CA EHVH11SU26CB6W EHVH16SU26CB6W Instllr rfrn gui Dikin Althrm Low tmprtur split English

2 Tl of ontnts Tl of ontnts 1 Gnrl sfty prutions Aout th oumnttion... 3 Instllr rfrn gui Mning of wrnings n symols For th instllr Gnrl Instlltion sit Rfrigrnt Brin Wtr Eltril Aout th oumnttion Aout this oumnt Instllr rfrn gui t gln Aout th ox Ovrviw: Aout th ox Outoor unit To unpk th outoor unit To hnl th outoor unit To rmov th ssoris from th outoor unit Inoor unit To unpk th inoor unit To rmov th ssoris from th inoor unit Domsti hot wtr tnk kit To unpk th omsti hot wtr tnk kit To rmov th ssoris from th omsti hot wtr tnk kit Aout th units n options Ovrviw: Aout th units n options Intifition Intifition ll: Outoor unit Intifition ll: Inoor unit Comining units n options Possil options for th outoor unit Possil options for th inoor unit Possil omintions of inoor unit n outoor unit Applition guilins Ovrviw: Applition guilins Stting up th sp hting systm Singl room Multipl rooms On LWT zon Multipl rooms Two LWT zons Stting up n uxiliry ht sour for sp hting Stting up th omsti hot wtr tnk Systm lyout Intgrt DHW tnk Slting th volum n sir tmprtur for th DHW tnk Stup n onfigurtion DHW tnk DHW pump for instnt hot wtr DHW pump for isinftion Stting up th nrgy mtring Prou ht Consum nrgy Norml kwh rt powr supply Prfrntil kwh rt powr supply Stting up th powr onsumption ontrol Prmnnt powr limittion Powr limittion tivt y igitl inputs Powr limittion pross Stting up n xtrnl tmprtur snsor Prprtion Ovrviw: Prprtion Prpring instlltion sit Instlltion sit rquirmnts of th outoor unit Aitionl instlltion sit rquirmnts of th outoor unit in ol limts Instlltion sit rquirmnts of th inoor unit Instlltion sit rquirmnts of th omsti hot wtr tnk kit Prpring rfrigrnt piping Rfrigrnt piping rquirmnts Rfrigrnt piping insultion Prpring wtr piping Wtr iruit rquirmnts Formul to lult th xpnsion vssl prprssur To hk th wtr volum n flow rt Chnging th pr-prssur of th xpnsion vssl To hk th wtr volum: Exmpls Prpring ltril wiring Aout prpring ltril wiring Aout prfrntil kwh rt powr supply Ovrviw of ltril onntions xpt xtrnl tutors Ovrviw of ltril onntions for xtrnl n intrnl tutors Instlltion Ovrviw: Instlltion Opning th units Aout opning th units To opn th outoor unit To opn th inoor unit To opn th swith ox ovr of th inoor unit Mounting th outoor unit Aout mounting th outoor unit Prutions whn mounting th outoor unit To provi th instlltion strutur To instll th outoor unit To provi ring To prvnt th outoor unit from flling ovr Mounting th inoor unit Aout mounting th inoor unit Prutions whn mounting th inoor unit To instll th inoor unit Connting th rfrigrnt piping Aout onnting th rfrigrnt piping Prutions whn onnting th rfrigrnt piping Guilins whn onnting th rfrigrnt piping Pip ning guilins To flr th pip n To rz th pip n Using th stop vlv n srvi port To onnt th rfrigrnt piping to th outoor unit To onnt th rfrigrnt piping to th inoor unit To trmin if oil trps r rquir Chking th rfrigrnt piping Aout hking th rfrigrnt piping Prutions whn hking th rfrigrnt piping Chking rfrigrnt piping: Stup To hk for lks To prform vuum rying Chrging rfrigrnt Aout hrging rfrigrnt Prutions whn hrging rfrigrnt To trmin th itionl rfrigrnt mount To trmin th omplt rhrg mount To hrg rfrigrnt To fix th fluorint grnhous gss ll Connting th wtr piping Aout onnting th wtr piping Prutions whn onnting th wtr piping Dikin Althrm Low tmprtur split

3 1 Gnrl sfty prutions To onnt th rirultion piping To onnt th wtr piping To onnt th prssur rlif vlv to th rin To fill th wtr iruit To fill th omsti hot wtr tnk To insult th wtr piping Connting th ltril wiring Aout onnting th ltril wiring Aout ltril omplin Prutions whn onnting th ltril wiring Guilins whn onnting th ltril wiring Spifitions of stnr wiring omponnts To onnt th ltril wiring on th outoor unit To rposition th ir thrmistor on th outoor unit To onnt th ltril wiring on th inoor unit To onnt th min powr supply To onnt th kup htr powr supply To onnt th usr intrf To onnt th shut-off vlv To onnt th ltril mtrs To onnt th omsti hot wtr pump To onnt th lrm output To onnt th sp hting ON/OFF output To onnt th hngovr to xtrnl ht sour To onnt th powr onsumption igitl inputs To onnt th sfty thrmostt (norml los ontt) To onnt th oostr htr powr supply Finishing th outoor unit instlltion To finish th outoor unit instlltion To los th outoor unit Finishing th inoor unit instlltion To fix th usr intrf ovr to th inoor unit To los th inoor unit Configurtion Ovrviw: Configurtion To onnt th PC l to th swith ox To ss th most us ommns To opy th systm sttings from th first to th son usr intrf To opy th lngug st from th first to th son usr intrf Quik wizr: St th systm lyout ftr first powr ON Bsi onfigurtion Quik wizr: Lngug / tim n t Quik wizr: Stnr Quik wizr: Options Quik wizr: Cpitis (nrgy mtring) Sp hting ontrol Domsti hot wtr ontrol Contt/hlpsk numr Avn onfigurtion/optimiztion Sp hting oprtion: vn Domsti hot wtr ontrol: vn Ht sour sttings Systm sttings Mnu strutur: Ovrviw usr sttings Mnu strutur: Ovrviw instllr sttings Commissioning Ovrviw: Commissioning Prutions whn ommissioning Chklist for ommissioning Chklist uring ommissioning To hk th minimum flow rt Air purg funtion To prform tst run To prform n tutor tst run Unrfloor hting sr ryout Hn-ovr to th usr Mintnn n srvi Ovrviw: Mintnn n srvi Mintnn sfty prutions Opning th inoor unit Chklist for yrly mintnn of th outoor unit Chklist for yrly mintnn of th inoor unit To rin th omsti hot wtr tnk Troulshooting Ovrviw: Troulshooting Prutions whn troulshooting Solving prolms s on symptoms Symptom: Th unit is NOT hting s xpt Symptom: Th omprssor os NOT strt (sp hting or omsti wtr hting) Symptom: Th pump is mking nois (vittion) Symptom: Th prssur rlif vlv opns Symptom: Th wtr prssur rlif vlv lks Symptom: Th sp is NOT suffiintly ht t low outoor tmprturs Symptom: Th prssur t th tpping point is tmporrily unusully high Symptom: Dortion pnls r push wy u to swolln tnk Symptom: Tnk isinftion funtion is NOT omplt orrtly (AH-rror) Symptom: Thr is NO wtr flow from th hot tps Symptom: Th wtr from th hot tps is ol Symptom: Th wtr ishrg is intrmittnt Symptom: Th wtr flow from th tps os not stop Solving prolms s on rror os Error os: Ovrviw Disposl Ovrviw: Disposl Aout pump own To pump own Thnil t Componnts n imnsions: Inoor unit Srvi sp: Outoor unit Piping igrm: Outoor unit Piping igrm: Inoor unit Wiring igrm: Outoor unit Wiring igrm: Inoor unit Thnil spifitions: Inoor unit ESP urv: Inoor unit Glossry Fil sttings tl 99 1 Gnrl sfty prutions 1.1 Aout th oumnttion Th originl oumnttion is writtn in English. All othr lngugs r trnsltions. Th prutions sri in this oumnt ovr vry importnt topis, follow thm rfully. Th instlltion of th systm, n ll tivitis sri in th instlltion mnul n th instllr rfrn gui must prform y n uthoriz instllr. Dikin Althrm Low tmprtur split Instllr rfrn gui 3

4 1 Gnrl sfty prutions Mning of wrnings n symols DANGER Inits sitution tht rsults in th or srious injury. DANGER: RISK OF ELECTROCUTION Inits sitution tht oul rsult in ltroution. DANGER: RISK OF BURNING Inits sitution tht oul rsult in urning us of xtrm hot or ol tmprturs. DANGER: RISK OF EXPLOSION Inits sitution tht oul rsult in xplosion. WARNING Inits sitution tht oul rsult in th or srious injury. WARNING: FLAMMABLE MATERIAL CAUTION Inits sitution tht oul rsult in minor or mort injury. Inits sitution tht oul rsult in quipmnt or proprty mg. Inits usful tips or itionl informtion. Symol Explntion Bfor instlltion, r th instlltion n oprtion mnul, n th wiring instrution sht. Bfor prforming mintnn n srvi tsks, r th srvi mnul. For mor informtion, s th instllr n usr rfrn gui. 1.2 For th instllr Gnrl If you r not sur how to instll or oprt th unit, ontt your lr. Impropr instlltion or tthmnt of quipmnt or ssoris oul rsult in ltri shok, short-iruit, lks, fir or othr mg to th quipmnt. Only us ssoris, optionl quipmnt n spr prts m or pprov y Dikin. WARNING Mk sur instlltion, tsting n ppli mtrils omply with pplil lgisltion (on top of th instrutions sri in th Dikin oumnttion). CAUTION Wr qut prsonl prottiv quipmnt (prottiv glovs, sfty glsss, ) whn instlling, mintining or srviing th systm. WARNING Tr prt n throw wy plsti pkging gs so tht nooy, spilly hilrn, n ply with thm. Possil risk: suffotion. DANGER: RISK OF BURNING Do NOT touh th rfrigrnt piping, wtr piping or intrnl prts uring n immitly ftr oprtion. It oul too hot or too ol. Giv it tim to rturn to norml tmprtur. If you must touh it, wr prottiv glovs. Do NOT touh ny intl lking rfrigrnt. WARNING Provi qut msurs to prvnt tht th unit n us s shltr y smll nimls. Smll nimls tht mk ontt with ltril prts n us mlfuntions, smok or fir. CAUTION Do NOT touh th ir inlt or luminium fins of th unit. Do NOT pl ny ojts or quipmnt on top of th unit. Do NOT sit, lim or stn on th unit. Works xut on th outoor unit r st on unr ry wthr onitions to voi wtr ingrss. In orn with th pplil lgisltion, it might nssry to provi logook with th prout ontining t lst: informtion on mintnn, rpir work, rsults of tsts, stn-y prios, Also, t lst, following informtion must provi t n ssil pl t th prout: Instrutions for shutting own th systm in s of n mrgny Nm n rss of fir prtmnt, poli n hospitl Nm, rss n y n night tlphon numrs for otining srvi In Europ, EN378 provis th nssry guin for this logook Instlltion sit Provi suffiint sp roun th unit for srviing n ir irultion. Mk sur th instlltion sit withstns th unit's wight n virtion. Mk sur th r is wll vntilt. Do NOT lok ny vntiltion opnings. Mk sur th unit is lvl. Do NOT instll th unit in th following pls: In potntilly xplosiv tmosphrs. In pls whr thr is mhinry tht mits ltromgnti wvs. Eltromgnti wvs my istur th ontrol systm, n us mlfuntion of th quipmnt. In pls whr thr is risk of fir u to th lkg of flmml gss (xmpl: thinnr or gsolin), ron fir, ignitl ust. In pls whr orrosiv gs (xmpl: sulphurous i gs) is prou. Corrosion of oppr pips or solr prts my us th rfrigrnt to lk. Instllr rfrn gui 4 Dikin Althrm Low tmprtur split

5 1 Gnrl sfty prutions Rfrigrnt If pplil. S th instlltion mnul or instllr rfrn gui of your pplition for mor informtion. Mk sur rfrigrnt piping instlltion omplis with pplil lgisltion. In Europ, EN378 is th pplil stnr. Mk sur th fil piping n onntions r not sujt to strss. WARNING During tsts, NEVER prssuriz th prout with prssur highr thn th mximum llowl prssur (s init on th nmplt of th unit). WARNING Tk suffiint prutions in s of rfrigrnt lkg. If rfrigrnt gs lks, vntilt th r immitly. Possil risks: Exssiv rfrigrnt onntrtions in los room n l to oxygn fiiny. Toxi gs my prou if rfrigrnt gs oms into ontt with fir. DANGER: RISK OF EXPLOSION Pump own Rfrigrnt lkg. If you wnt to pump own th systm, n thr is lkg in th rfrigrnt iruit: Do NOT us th unit's utomti pump own funtion, with whih you n ollt ll rfrigrnt from th systm into th outoor unit. Possil onsqun: Slf-omustion n xplosion of th omprssor us of ir going into th oprting omprssor. Us sprt rovry systm so tht th unit's omprssor os NOT hv to oprt. WARNING Alwys rovr th rfrigrnt. Do NOT rls thm irtly into th nvironmnt. Us vuum pump to vut th instlltion. Aftr ll th piping hs n onnt, mk sur thr is no gs lk. Us nitrogn to prform gs lk ttion. To voi omprssor rkown, o NOT hrg mor thn th spifi mount of rfrigrnt. Whn th rfrigrnt systm is to opn, rfrigrnt must trt oring to th pplil lgisltion. WARNING Mk sur thr is no oxygn in th systm. Rfrigrnt my only hrg ftr prforming th lk tst n th vuum rying. In s r-hrg is rquir, rfr to th nmplt of th unit. It stts th typ of rfrigrnt n nssry mount. Th unit is ftory hrg with rfrigrnt n pning on pip sizs n pip lngths som systms rquir itionl hrging of rfrigrnt. Only us tools xlusivly for th rfrigrnt typ us in th systm, this to nsur prssur rsistn n prvnt forign mtrils from ntring into th systm. Chrg th liqui rfrigrnt s follows: If A siphon tu is prsnt (i.., th ylinr is mrk with "Liqui filling siphon tth") A siphon tu is NOT prsnt Opn rfrigrnt ylinrs slowly. Thn Chrg with th ylinr upright. Chrg with th ylinr upsi own. Chrg th rfrigrnt in liqui form. Aing it in gs form my prvnt norml oprtion. CAUTION Whn th rfrigrnt hrging prour is on or whn pusing, los th vlv of th rfrigrnt tnk immitly. If th vlv is not los immitly, rmining prssur might hrg itionl rfrigrnt. Possil onsqun: Inorrt rfrigrnt mount Brin If pplil. S th instlltion mnul or instllr rfrn gui of your pplition for mor informtion. WARNING Th sltion of th rin MUST in orn with th pplil lgisltion. WARNING Tk suffiint prutions in s of rin lkg. If rin lks, vntilt th r immitly n ontt your lol lr. WARNING Th mint tmprtur insi th unit n gt muh highr thn tht of th room,.g. 70 C. In s of rin lk, hot prts insi th unit n rt hzrous sitution. WARNING Th us n instlltion of th pplition MUST omply with th sfty n nvironmntl prutions spifi in th pplil lgisltion Wtr If pplil. S th instlltion mnul or instllr rfrn gui of your pplition for mor informtion. Mk sur wtr qulity omplis with EU irtiv 98/83 EC. Dikin Althrm Low tmprtur split Instllr rfrn gui 5

6 2 Aout th oumnttion Eltril DANGER: RISK OF ELECTROCUTION Turn OFF ll powr supply for rmoving th swith ox ovr, onnting ltril wiring or touhing ltril prts. Disonnt th powr supply for mor thn 1 minut, n msur th voltg t th trminls of min iruit pitors or ltril omponnts for srviing. Th voltg MUST lss thn 50 V DC for you n touh ltril omponnts. For th lotion of th trminls, s th wiring igrm. Do NOT touh ltril omponnts with wt hns. Do NOT lv th unit unttn whn th srvi ovr is rmov. WARNING If NOT ftory instll, min swith or othr mns for isonntion, hving ontt sprtion in ll pols proviing full isonntion unr ovrvoltg tgory III onition, shll instll in th fix wiring. WARNING ONLY us oppr wirs. Mk sur th fil wiring omplis with th pplil lgisltion. All fil wiring must prform in orn with th wiring igrm suppli with th prout. NEVER squz unl ls n mk sur thy o not om in ontt with th piping n shrp gs. Mk sur no xtrnl prssur is ppli to th trminl onntions. Mk sur to instll rth wiring. Do NOT rth th unit to utility pip, surg sorr, or tlphon rth. Inomplt rth my us ltril shok. Mk sur to us it powr iruit. NEVER us powr supply shr y nothr pplin. Mk sur to instll th rquir fuss or iruit rkrs. Mk sur to instll n rth lkg prottor. Filur to o so my us ltri shok or fir. Whn instlling th rth lkg prottor, mk sur it is omptil with th invrtr (rsistnt to high frquny ltri nois) to voi unnssry opning of th rth lkg prottor. Prutions whn lying powr wiring: Do not onnt wiring of iffrnt thiknsss to th powr trminl lok (slk in th powr wiring my us norml ht). Whn onnting wiring whih is th sm thiknss, o s shown in th figur low. For wiring, us th signt powr wir n onnt firmly, thn sur to prvnt outsi prssur ing xrt on th trminl or. Us n pproprit srwrivr for tightning th trminl srws. A srwrivr with smll h will mg th h n mk propr tightning impossil. Ovr-tightning th trminl srws my rk thm. Instll powr ls t lst 1 mtr wy from tlvisions or rios to prvnt intrfrn. Dpning on th rio wvs, istn of 1 mtr my not suffiint. WARNING Aftr finishing th ltril work, onfirm tht h ltril omponnt n trminl insi th ltril omponnts ox is onnt surly. Mk sur ll ovrs r los for strting up th unit. Only pplil if th powr supply is thr phs, n th omprssor hs n ON/OFF strting mtho. If thr xists th possiility of rvrs phs ftr momntry lk out n th powr gos on n off whil th prout is oprting, tth rvrs phs prottion iruit lolly. Running th prout in rvrs phs n rk th omprssor n othr prts. 2 Aout th oumnttion 2.1 Aout this oumnt Mk sur tht th usr hs th print oumnttion n sk him/hr to kp it for futur rfrn. Trgt uin Authoris instllrs Doumnttion st This oumnt is prt of oumnttion st. Th omplt st onsists of: Gnrl sfty prutions: Sfty instrutions tht you must r for instlling Formt: Ppr (in th ox of th inoor unit) Inoor unit instlltion mnul: Instlltion instrutions Formt: Ppr (in th ox of th inoor unit) Instllr rfrn gui 6 Dikin Althrm Low tmprtur split

7 3 Aout th ox Outoor unit instlltion mnul: Instlltion instrutions Formt: Ppr (in th ox of th outoor unit) Domsti hot wtr tnk kit instlltion mnul Instlltion instrutions Formt: Ppr (in th ox of th omsti hot wtr tnk kit) Instllr rfrn gui: Prprtion of th instlltion, goo prtis, rfrn t, Formt: Digitl fils on Anum ook for optionl quipmnt: Aitionl info out how to instll optionl quipmnt Formt: Ppr (in th ox of th inoor unit) + Digitl fils on Ltst rvisions of th suppli oumnttion my vill on th rgionl Dikin wsit or vi your lr. Th originl oumnttion is writtn in English. All othr lngugs r trnsltions. Thnil nginring t A sust of th ltst thnil t is vill on th rgionl Dikin wsit (pulily ssil). Th full st of ltst thnil t is vill on th Dikin xtrnt (uthntition rquir). 2.2 Instllr rfrn gui t gln Chptr Fil sttings tl 3 Aout th ox Dsription Tl to fill in y th instllr, n kpt for futur rfrn Not: Thr is lso n instllr sttings tl in th usr rfrn gui. This tl hs to fill in y th instllr n hn ovr to th usr. 3.1 Ovrviw: Aout th ox This hptr sris wht you hv to o ftr th oxs with th outoor n inoor unit r livr on-sit. It ontins informtion out: Unpking n hnling th units Rmoving th ssoris from th units Kp th following in min: At livry, th unit must hk for mg. Any mg must rport immitly to th rrir's lims gnt. Bring th pk unit s los s possil to its finl instlltion position to prvnt mg uring trnsport. 3.2 Outoor unit To unpk th outoor unit 1 2 Chptr Gnrl sfty prutions Aout th oumnttion Aout th ox Aout th units n options Applition guilins Prprtion Instlltion Configurtion Commissioning Hn ovr to th usr Mintnn n srvi Troulshooting Disposl Thnil t Glossry Dsription Sfty instrutions tht you must r for instlling Wht oumnttion xists for th instllr How to unpk th units n rmov thir ssoris How to intify th units Possil omintions of units n options Vrious instlltion stups of th systm Wht to o n know for going on sit Wht to o n know to instll th systm Wht to o n know to onfigur th systm ftr it is instll Wht to o n know to ommission th systm ftr it is onfigur Wht to giv n xplin to th usr How to mintin n srvi th units Wht to o in s of prolms How to ispos of th systm Spifitions of th systm Dfinition of trms To hnl th outoor unit Crry th unit slowly s shown: Dikin Althrm Low tmprtur split Instllr rfrn gui 7

8 3 Aout th ox 102~114 kg CAUTION To voi injury, o NOT touh th ir inlt or luminium fins of th unit. 3 Rmov th srws t th front of th unit. 4 Push on th utton on th ottom of th front plt. 5 Rmov th front plt. WARNING: Shrp gs Tk th front plt on th uppr prt inst of th lowr prt. Wth your fingrs, thr r shrp gs on th lowr prt of th front plt To rmov th ssoris from th outoor unit ~+h g f 1 g f g Outoor unit instlltion mnul Cl ti Fluorint grnhous gss ll Multilingul fluorint grnhous gss ll Srw (only for ERLQ) Thrmistor fixing plt (spr) (only for ERLQ) Thrmistor fixtur (only for ERLQ) f Inoor unit This unit hs n tst n pprov oring to BS EN12897: To unpk th inoor unit 6 Rmov th ssoris f g 2 1 h 1 Gnrl sfty prutions Anum ook for optionl quipmnt Inoor unit instlltion mnul Oprtion mnul Sling ring for shut-off vlv f Shut-off vlv g Usr intrf ovr h 2 srws for fixing th usr intrf. 7 Rinstll th top pnl n th front plt To rmov th ssoris from th inoor unit 1 Rmov th srws t th top of th unit. 2 Rmov th top pnl. Instllr rfrn gui 8 Dikin Althrm Low tmprtur split

9 4 Aout th units n options Domsti hot wtr tnk kit To unpk th omsti hot wtr tnk kit 1 Intifition Whn instlling or srviing svrl units t th sm tim, mk sur NOT to swith th srvi pnls twn iffrnt mols Intifition ll: Outoor unit Lotion Mol intifition To rmov th ssoris from th omsti hot wtr tnk kit ERLQ: Contins omponnts (insultion, ottom plt htr, ) to prvnt frz-up in rs with low mint tmprtur n high humiity. 1 ERHQ: Dos NOT ontin ths omponnts. Exmpl: ER L Q 011 CA W1 + 2 f Co + g 1 1 Explntion ER Europn split outoor pir ht pump L H=Low wtr tmprtur mint zon: 0 ~ 10 C L=Low wtr tmprtur mint zon: 10 ~ 20 C f g Instlltion mnul Tunish Wtr piping xtnsion pis for sp hting IN n OUT + slings ( mm) (EKVSU260A only) Wtr piping xtnsion pi for omsti hot wtr OUT + sling ( mm) (EKVSU260A only) Slings for th flxil hoss of th omsti hot wtr tnk kit ( mm) Dishrg pip Intifition ll of th omsti hot wtr tnk kit. Fix it nr th intifition ll of th inoor unit. Q Rfrigrnt R410A 011 Cpity lss CA Mol sris W1 Powr supply Intifition ll: Inoor unit Lotion Aout th units n options 4.1 Ovrviw: Aout th units n options This hptr ontins informtion out: Mol intifition Exmpl: E HV H 11 SU 26 CB 6W Co Intifying th outoor unit Intifying th inoor unit Comining outoor n inoor units Comining th outoor unit with options Dsription E Europn mol HV Floor-stning inoor unit with intgrt tnk H Hting only 11 Cpity lss Comining th inoor unit with options Dikin Althrm Low tmprtur split Instllr rfrn gui 9

10 4 Aout th units n options SU Co Dsription Intgrt tnk mtril: Stinlss stl Mol omptil with th G3 Builing Rgultions in th UK. 26 Intgrt tnk volum CB 6W Mol sris Bkup htr mol Inoor unit EHVH04SU18CB6W EHVH08SU18CB6W EHVH08SU26CB6W EHVH11SU26CB6W EHVH16SU26CB6W Domsti hot wtr kit EKVSU180A EKVSU260A O O 4.3 Comining units n options Possil options for th outoor unit Dmn PCB (KRP58M51) (only for ERLQ) Limits th mximum urrnt. Howvr, this lso rss th hting/ooling pity of th systm. Only th "Stting of mn running" funtion of th mn PCB is pplil. For instlltion instrutions, s th instlltion mnul of th mn PCB. Snow ovr (EK016SNC) (only for ERLQ) Prvnts th outoor unit from ing snow up. Rommn in rs with low mint tmprturs or hvy snowfll. For instlltion instrutions, s th instlltion mnul of th snow ovr. Drin plug kit (EKDK04) (only for ERHQ) Gthrs th onnst from th outoor unit n guis it wy through 1 plug in th ottom plt. For ERLQ: Drin plug kit is not pplil. For ERHQ: Drin plug kit is option. Cnnot omin with ottom plt htr. For instlltion instrutions, s th instlltion mnul of th rin plug kit. Bottom plt htr (EKBPHTH16A) (only for ERHQ in omintion with C* inoor unit) Prvnts frz-up of th ottom plt. Rommn in rs with low mint tmprtur n high humiity. For ERLQ: Bottom plt htr is stnr (ftory-mount). For ERHQ: Bottom plt htr is option. Cnnot omin with rin plug kit. If you instll EKBPHTH16A, you lso hv to instll th igitl I/O PCB (EKRP1HB). For instlltion instrutions, s th instlltion mnul of th ottom plt htr n num ook for optionl quipmnt Possil options for th inoor unit Domsti hot wtr tnk kit (EKVSU A) Th omsti hot wtr tnk kit mks it sir to omply with stion G3 of th Builing Rgultions in th UK. It ontins th following omponnts: Prssur rlif vlv Prssur ruing vlv Expnsion vssls (1 n 2) Tunishs Possil omintions of inoor unit n omsti hot wtr kit: For instlltion instrutions, s th instlltion mnul of th omsti hot wtr tnk kit, or this instllr rfrn gui. Usr intrf (EKRUCBL*) Th usr intrf n possil itionl usr intrf r vill s n option. Th itionl usr intrf n onnt: To hv oth: ontrol los to th inoor unit, room thrmostt funtionlity in th prinipl sp to ht. To hv n intrf ontining othr lngugs. Following usr intrfs r vill: EKRUCBL1 ontins following lngugs: Grmn, Frnh, Duth, Itlin. EKRUCBL2 ontins following lngugs: English, Swish, Norwgin, Finnish. EKRUCBL3 ontins following lngugs: English, Spnish, Grk, Portugus. EKRUCBL4 ontins following lngugs: English, Turkish, Polish, Romnin. EKRUCBL5 ontins following lngugs: Grmn, Czh, Slovnin, Slovkin. EKRUCBL6 ontins following lngugs: English, Crotin, Hungrin, Estonin. EKRUCBL7 ontins following lngugs: English, Grmn, Russin, Dnish. Lngugs on th usr intrf n uplo y PC softwr or opi from n usr intrf to th othr. For instlltion instrutions, s " To onnt th usr intrf" on pg 46. Simplifi usr intrf (EKRUCBS) Th simplifi usr intrf n only us in omintion with th min usr intrf. Th simplifi usr intrf ts s room thrmostt n ns to instll in th room tht you wnt it to ontrol. For instlltion instrutions, s th instlltion n oprtion mnul of th simplifi usr intrf. Room thrmostt (EKRTWA, EKRTR1, RTRNETA) You n onnt n optionl room thrmostt to th inoor unit. This thrmostt n ithr wir (EKRTWA) or wirlss (EKRTR1 n RTRNETA). Thrmostt RTRNETA n only us in hting-only systms. For instlltion instrutions, s th instlltion mnul of th room thrmostt n num ook for optionl quipmnt. Rmot snsor for wirlss thrmostt (EKRTETS) You n us wirlss inoor tmprtur snsor (EKRTETS) only in omintion with th wirlss thrmostt (EKRTR1). For instlltion intrutions, s th instlltion mnul of th room thrmostt n num ook for optionl quipmnt. Instllr rfrn gui 10 Dikin Althrm Low tmprtur split

11 5 Applition guilins Digitl I/O PCB (EKRP1HB) Th igitl I/O PCB is rquir to provi following signls: Alrm output Sp hting On/OFF output Chngovr to xtrnl ht sour Control signl for ottom plt htr kit EKBPHTH16A. For instlltion instrutions, s th instlltion mnul of th igitl I/O PCB n num ook for optionl quipmnt. Dmn PCB (EKRP1AHTA) To nl th powr sving onsumption ontrol y igitl inputs you must instll th mn PCB. For instlltion instrutions, s th instlltion mnul of th mn PCB n num ook for optionl quipmnt. Rmot inoor snsor (KRCS01-1) By fult th intrnl usr intrf snsor will us s room tmprtur snsor. As n option th rmot inoor snsor n instll to msur th room tmprtur on nothr lotion. For instlltion instrutions, s th instlltion mnul of th rmot inoor snsor n num ook for optionl quipmnt. Th rmot inoor snsor n only us in s th usr intrf is onfigur with room thrmostt funtionlity. You n only onnt ithr th rmot inoor snsor or th rmot outoor snsor. Rmot outoor snsor (EKRSCA1) By fult th snsor insi th outoor unit will us to msur th outoor tmprtur. As n option th rmot outoor snsor n instll to msur th outoor tmprtur on nothr lotion (.g. to voi irt sunlight) to hv n improv systm hviour. For instlltion instrutions, s th instlltion mnul of th rmot outoor snsor. You n only onnt ithr th rmot inoor snsor or th rmot outoor snsor. PC onfigurtor (EKPCCAB) Th PC l mks onntion twn th swith ox of th inoor unit n PC. It givs th possiility to uplo iffrnt lngug fils to th usr intrf n inoor prmtrs to th inoor unit. For th vill lngug fils, ontt your lol lr. Th softwr n orrsponing oprting instrutions r vill on For instlltion instrutions, s th instlltion mnul of th PC l n "8 Configurtion" on pg 49. Ht pump onvtor (FWXV) For proviing sp hting, it is possil to us ht pump onvtors (FWXV). For instlltion instrutions, rfr to th instlltion mnul of th ht pump onvtors, n th num ook for optionl quipmnt. LAN ptr for smrtphon ontrol + Smrt Gri pplitions (BRP069A61) You n instll this LAN ptr to: Control th systm vi smrtphon pp. Us th systm in vrious Smrt Gri pplitions. For instlltion instrutions, s th instlltion mnul of th LAN ptr. LAN ptr for smrtphon ontrol (BRP069A62) You n instll this LAN ptr to ontrol th systm vi smrtphon pp. For instlltion instrutions, s th instlltion mnul of th LAN ptr Possil omintions of inoor unit n outoor unit Outoor unit EHVH11 Inoor unit EHVH16 ERHQ011+ERLQ011 O ERHQ014+ERLQ014 O ERHQ016+ERLQ016 O 5 Applition guilins 5.1 Ovrviw: Applition guilins Th purpos of th pplition guilins is to giv gln of th possiilitis of th Dikin ht pump systm. Th illustrtions in th pplition guilins r mnt for rfrn only, n r NOT to us s til hyruli igrms. Th til hyruli imnsioning n lning r NOT shown, n r th rsponsiility of th instllr. For mor informtion out th onfigurtion sttings to optimiz ht pump oprtion, s "8 Configurtion" on pg 49. This hptr ontins pplition guilins for: Stting up th sp hting systm Stting up n uxiliry ht sour for sp hting Stting up th omsti hot wtr tnk Stting up th nrgy mtring Stting up th powr onsumption Stting up n xtrnl tmprtur snsor 5.2 Stting up th sp hting systm Th Dikin ht pump systm supplis lving wtr to ht mittrs in on or mor rooms. Bus th systm offrs wi flxiility to ontrol th tmprtur in h room, you n to nswr th following qustions first: How mny rooms r ht y th Dikin ht pump systm? Whih ht mittr typs r us in h room n wht is thir sign lving wtr tmprtur? On th sp hting rquirmnts r lr, Dikin rommns to follow th stup guilins low. Dikin Althrm Low tmprtur split Instllr rfrn gui 11

12 5 Applition guilins If n xtrnl room thrmostt is us, th xtrnl room thrmostt will ontrol th room frost prottion. Howvr, th room frost prottion is only possil if th lving wtr tmprtur ontrol on th unit's usr intrf is turn ON. In s n xtrnl room thrmostt is us n room frost prottion ns to gurnt in ll onitions, thn you hv to st uto mrgny [A.6.C] to Singl room Unr floor hting or ritors Wir room thrmostt Esy. You n sily st th sir room tmprtur vi th usr intrf: For your ily ns, you n us prst vlus n shuls. To vit from your ily ns, you n tmporrily ovrrul th prst vlus n shuls, us th holiy mo Unr floor hting or ritors Wirlss room thrmostt Stup A B Stup A B A B Min lving wtr tmprtur zon On singl room Usr intrf us s room thrmostt Th unr floor hting or ritors r irtly onnt to th inoor unit. Th room tmprtur is ontroll y th usr intrf, whih is us s room thrmostt. Possil instlltions: Usr intrf instll in th room n us s room thrmostt Usr intrf instll t th inoor unit n us for ontrol los to th inoor unit + usr intrf instll in th room n us s room thrmostt Configurtion Stting Unit tmprtur ontrol: #: [A.2.1.7] Co: [C-07] Numr of wtr tmprtur zons: #: [A.2.1.8] Co: [7-02] Vlu 2 (RT ontrol): Unit oprtion is i s on th mint tmprtur of th usr intrf. 0 (1 LWT zon): Min A B Min lving wtr tmprtur zon On singl room Rivr for wirlss xtrnl room thrmostt Wirlss xtrnl room thrmostt Th unr floor hting or ritors r irtly onnt to th inoor unit. Th room tmprtur is ontroll y th wirlss xtrnl room thrmostt (optionl quipmnt EKRTR1). Configurtion Stting Unit tmprtur ontrol: #: [A.2.1.7] Co: [C-07] Numr of wtr tmprtur zons: #: [A.2.1.8] Co: [7-02] Extrnl room thrmostt for th min zon: #: [A.2.2.4] Co: [C-05] Bnfits Vlu 1 (Ext RT ontrol): Unit oprtion is i y th xtrnl thrmostt. 0 (1 LWT zon): Min 1 (Thrmo ON/OFF): Whn th us xtrnl room thrmostt or ht pump onvtor n only sn thrmo ON/OFF onition. Wirlss. Th Dikin xtrnl room thrmostt is vill in wirlss vrsion. Effiiny. Although th xtrnl room thrmostt only sns ON/ OFF signls, it is spifilly sign for th ht pump systm. Bnfits Cost fftiv. You o NOT n n itionl xtrnl room thrmostt. Highst omfort n ffiiny. Th smrt room thrmostt funtionlity n rs or inrs th sir lving wtr tmprtur s on th tul room tmprtur (moultion). This rsults in: Stl room tmprtur mthing th sir tmprtur (highr omfort) Lss ON/OFF yls (mor quit, highr omfort n highr ffiiny) Lowst possil lving wtr tmprtur (highr ffiiny) Instllr rfrn gui 12 Dikin Althrm Low tmprtur split

13 5 Applition guilins Ht pump onvtors Stup A B A B A B Min lving wtr tmprtur zon On singl room Rmot ontrollr of th ht pump onvtors Th unr floor hting or ritors r irtly onnt to th inoor unit. Th sir room tmprtur is st vi th rmot ontrollr of th ht pump onvtors. Th sp hting mn signl is snt to on igitl input on th inoor unit (X2M/1 n X2M/4). Th sp oprtion mo is snt to th ht pump onvtors y on igitl output on th inoor unit (X2M/32 n X2M/33). Configurtion Whn using multipl ht pump onvtors, mk sur h on rivs th infrr signl from th rmot ontrollr of th ht pump onvtors. Stting Unit tmprtur ontrol: #: [A.2.1.7] Co: [C-07] Numr of wtr tmprtur zons: #: [A.2.1.8] Co: [7-02] Extrnl room thrmostt for th min zon: #: [A.2.2.4] Co: [C-05] Bnfits Vlu 1 (Ext RT ontrol): Unit oprtion is i y th xtrnl thrmostt. 0 (1 LWT zon): Min 1 (Thrmo ON/OFF): Whn th us xtrnl room thrmostt or ht pump onvtor n only sn thrmo ON/OFF onition. Effiiny. Optiml nrgy ffiiny us of th intrlink funtion. Stylish. Comintion: Unr floor hting + Ht pump onvtors Sp hting is provi y: Th unr floor hting Th ht pump onvtors Stup A B Min lving wtr tmprtur zon On singl room Rmot ontrollr of th ht pump onvtors Th ht pump onvtors r irtly onnt to th inoor unit. Th sir room tmprtur is st vi th rmot ontrollr of th ht pump onvtors. Th sp hting mn signl is snt to on igitl input on th inoor unit (X2M/1 n X2M/4) Th sp oprtion mo is snt to th ht pump onvtors y on igitl output (X2M/32 n X2M/33) on th inoor unit. Configurtion Stting Unit tmprtur ontrol: #: [A.2.1.7] Co: [C-07] Numr of wtr tmprtur zons: #: [A.2.1.8] Co: [7-02] Extrnl room thrmostt for th min zon: #: [A.2.2.4] Co: [C-05] Bnfits Vlu 1 (Ext RT ontrol): Unit oprtion is i y th xtrnl thrmostt. 0 (1 LWT zon): Min 1 (Thrmo ON/OFF): Whn th us xtrnl room thrmostt or ht pump onvtor n only sn thrmo ON/OFF onition. Effiiny. Unr floor hting hs th st prformn with Althrm LT. Comfort. Th omintion of th two ht mittr typs provis xllnt hting omfort of th unr floor hting Multipl rooms On LWT zon If only on lving wtr tmprtur zon is n us th sign lving wtr tmprtur of ll ht mittrs is th sm, you o NOT n mixing vlv sttion (ost fftiv). Exmpl: If th ht pump systm is us to ht up on floor whr ll th rooms hv th sm ht mittrs. Unr floor hting or ritors Thrmostti vlvs If you r hting up rooms with unr floor hting or ritors, vry ommon wy is to ontrol th tmprtur of th min room y using thrmostt (this n ithr th usr intrf or n xtrnl room thrmostt), whil th othr rooms r ontroll y so-ll thrmostti vlvs, whih opn or los pning on th room tmprtur. Dikin Althrm Low tmprtur split Instllr rfrn gui 13

14 5 Applition guilins Stup A B A Min lving wtr tmprtur zon B Room 1 C Room 2 Usr intrf Th unr floor hting of th min room is irtly onnt to th inoor unit. Th room tmprtur of th min room is ontroll y th usr intrf us s thrmostt. A thrmostti vlv is instll for th unr floor hting in h of th othr rooms. Configurtion Min situtions whr th min room n ht y nothr hting sour. Exmpl: Firpls. Stting Unit tmprtur ontrol: #: [A.2.1.7] Co: [C-07] Numr of wtr tmprtur zons: #: [A.2.1.8] Co: [7-02] C T Vlu 2 (RT ontrol): Unit oprtion is i s on th mint tmprtur of th usr intrf. 0 (1 LWT zon): Min A ypss vlv must instll to mk wtr rirultion possil whn ll shut-off vlvs r los. To gurnt rlil oprtion, provi minimum wtr flow s sri in tl "To hk th wtr volum n flow rt" in "6.4 Prpring wtr piping" on pg 24. Th usr intrf onnt to th inoor unit is th sp oprtion mo. Min tht th oprtion mo on h room thrmostt must st to mth th inoor unit. Th room thrmostts r onnt to th shut-off vlvs, ut o NOT hv to onnt to th inoor unit. Th inoor unit will supply lving wtr ll th tim, with th possiility to progrm lving wtr shul. Configurtion Stting Unit tmprtur ontrol: #: [A.2.1.7] Co: [C-07] Numr of wtr tmprtur zons: #: [A.2.1.8] Co: [7-02] Bnfits Vlu 0 (LWT ontrol): Unit oprtion is i s on th lving wtr tmprtur. 0 (1 LWT zon): Min Compr with unr floor hting or ritors for on room: Comfort. You n st th sir room tmprtur, inluing shuls, for h room vi th room thrmostts. Ht pump onvtors Stup A B C Bnfits Cost fftiv. Esy. Sm instlltion s for on room, ut with thrmostti vlvs. Unr floor hting or ritors Multipl xtrnl room thrmostts Stup A B M1 A Min lving wtr tmprtur zon B Room 1 C Room 2 Extrnl room thrmostt Bypss vlv For h room, shut-off vlv (fil suppli) is instll to voi lving wtr supply whn thr is no hting mn. C M2 A Min lving wtr tmprtur zon B Room 1 C Room 2 Rmot ontrollr of th ht pump onvtors Th sir room tmprtur is st vi th rmot ontrollr of th ht pump onvtors. Th usr intrf onnt to th inoor unit is th sp oprtion mo. Th hting mn signls of h ht pump onvtor r onnt in prlll to th igitl input on th inoor unit (X2M/1 n X2M/4). Th inoor unit will only supply lving wtr tmprtur whn thr is n tul mn. To inrs omfort n prformn, Dikin rommns to instll th vlv kit option EKVKHPC on h ht pump onvtor. Instllr rfrn gui 14 Dikin Althrm Low tmprtur split

15 5 Applition guilins Configurtion Stting Unit tmprtur ontrol: #: [A.2.1.7] Co: [C-07] Numr of wtr tmprtur zons: #: [A.2.1.8] Co: [7-02] Bnfits Vlu 1 (Ext RT ontrol): Unit oprtion is i y th xtrnl thrmostt. 0 (1 LWT zon): Min Compr with ht pump onvtors for on room: Comfort. You n st th sir room tmprtur, inluing shuls, for h room vi th rmot ontrollr of th ht pump onvtors. Comintion: Unr floor hting + Ht pump onvtors Stup Stting Numr of wtr tmprtur zons: #: [A.2.1.8] Co: [7-02] Vlu 0 (1 LWT zon): Min Multipl rooms Two LWT zons If th ht mittrs slt for h room r sign for iffrnt lving wtr tmprturs, you n us iffrnt lving wtr tmprtur zons (mximum 2). In this oumnt: Min zon = Zon with th lowst sign tmprtur Aitionl zon = Th othr zon CAUTION Whn thr is mor thn on lving wtr zon, you must ALWAYS instll mixing vlv sttion in th min zon to rs (in hting) th lving wtr tmprtur whn th itionl zon hs mn. Typil xmpl: A B C Room (zon) Ht mittrs: Dsign tmprtur Living room (min zon) Unr floor hting: 35 C B rooms (itionl zon) Ht pump onvtors: 45 C M1 Stup A B C A Min lving wtr tmprtur zon B Room 1 C Room 2 Extrnl room thrmostt Rmot ontrollr of th ht pump onvtors For h room with ht pump onvtors: Th ht pump onvtors r irtly onnt to th inoor unit. For h room with unr floor hting: A shut-off vlv (fil supply) is instll for th unr floor hting. It prvnts hot wtr supply whn th room hs no hting mn. For h room with ht pump onvtors: Th sir room tmprtur is st vi th rmot ontrollr of th ht pump onvtors. For h room with unr floor hting: Th sir room tmprtur is st vi th xtrnl room thrmostt (wir or wirlss). Th usr intrf onnt to th inoor unit is th sp oprtion mo. Min tht th oprtion mo on h xtrnl room thrmostt n rmot ontrollr of th ht pump onvtors must st to mth th inoor unit. Configurtion To inrs omfort n prformn, Dikin rommns to instll th vlv kit option EKVKHPC on h ht pump onvtor. Stting Unit tmprtur ontrol: #: [A.2.1.7] Co: [C-07] Vlu 0 (LWT ontrol): Unit oprtion is i s on th lving wtr tmprtur. D E A Aitionl lving wtr tmprtur zon B Room 1 C Room 2 D Min lving wtr tmprtur zon E Room 3 Rmot ontrollr of th ht pump onvtors Usr intrf Mixing vlv sttion Prssur rgulting vlv A prssur rgulting vlv shoul implmnt for th mixing vlv sttion. This is to gurnt th orrt wtr flow ln twn th min lving wtr tmprtur zon n th itionl lving wtr tmprtur zon in rltion to th rquir pity of oth wtr tmprtur zons. Dikin Althrm Low tmprtur split Instllr rfrn gui 15

16 5 Applition guilins For th min zon: A mixing vlv sttion is instll for th unr floor hting. Th pump of th mixing vlv sttion is ontroll y th ON/ OFF signl on th inoor unit (X2M/5 n X2M/7; norml los shut-off vlv output). Th room tmprtur is ontroll y th usr intrf, whih is us s room thrmostt. For th itionl zon: Th ht pump onvtors r irtly onnt to th inoor unit. Th sir room tmprtur is st vi th rmot ontrollr of th ht pump onvtors for h room. Th hting mn signls of h ht pump onvtor r onnt in prlll to th igitl input on th inoor unit (X2M/1 n X2M/4). Th inoor unit will only supply th sir itionl lving wtr tmprtur whn thr is n tul mn. Th usr intrf onnt to th inoor unit is th sp oprtion mo. Min tht th oprtion mo on h rmot ontrollr of th ht pump onvtors must st to mth th inoor unit. Configurtion Stting Unit tmprtur ontrol: #: [A.2.1.7] Co: [C-07] Numr of wtr tmprtur zons: #: [A.2.1.8] Co: [7-02] In s of ht pump onvtors: Extrnl room thrmostt for th itionl zon: #: [A.2.2.5] Co: [C-06] Shut-off vlv output At th mixing vlv sttion Vlu 2 (RT ontrol): Unit oprtion is i s on th mint tmprtur of th usr intrf. Not: Min room = usr intrf us s room thrmostt funtionlity Othr rooms = xtrnl room thrmostt funtionlity 1 (2 LWT zons): Min + itionl 1 (Thrmo ON/OFF): Whn th us xtrnl room thrmostt or ht pump onvtor n only sn thrmo ON/OFF onition. St to follow th thrmo mn of th min zon. St th sir min lving wtr tmprtur. Effiiny. Dpning on th mn, th inoor unit supplis iffrnt lving wtr tmprtur mthing th sign tmprtur of th iffrnt ht mittrs. Unr floor hting hs th st prformn with Althrm LT. 5.3 Stting up n uxiliry ht sour for sp hting Sp hting n on y: Th inoor unit An uxiliry oilr (fil supply) onnt to th systm Whn th room thrmostt rqusts hting, th inoor unit or th uxiliry oilr strts oprting pning on th outoor tmprtur (sttus of th hngovr to xtrnl ht sour). Whn th prmission is givn to th uxiliry oilr, th sp hting y th inoor unit is turn OFF. Bivlnt oprtion is only possil for sp hting, NOT for omsti hot wtr proution. Domsti hot wtr is lwys prou y th DHW tnk onnt to th inoor unit. Stup During hting oprtion of th ht pump, th ht pump oprts to hiv th sir tmprtur st vi th usr intrf. Whn wthrpnnt oprtion is tiv, th wtr tmprtur is trmin utomtilly pning on th outoor tmprtur. During hting oprtion of th uxiliry oilr, th uxiliry oilr oprts to hiv th sir wtr tmprtur st vi th uxiliry oilr ontrollr. Intgrt th uxiliry oilr s follows: g f h j o n M f l k h i i Bnfits Comfort. Th smrt room thrmostt funtionlity n rs or inrs th sir lving wtr tmprtur s on th tul room tmprtur (moultion). m FHL1 FHL2 FHL3 Th omintion of th two ht mittr systms provis th xllnt hting omfort of th unr floor hting, n th rpi ir ht up of th ht pump onvtors (.g., living room=unr floor hting n th room=onvtor (no ontinuous hting)). f g h i j k l m Outoor unit Inoor unit Ht xhngr Bkup htr Pump Shut-off vlv Motoris 3 wy vlv (livr with DHW tnk) Non-rturn vlv (fil supply) Shut-off vlv (fil supply) Colltor (fil supply) Auxiliry oilr (fil supply) Aqustt vlv (fil supply) DHW tnk Instllr rfrn gui 16 Dikin Althrm Low tmprtur split

17 5 Applition guilins n o FHL1...3 Ht xhngr oil Boostr htr Unr floor hting Mk sur th uxiliry oilr n its intgrtion in th systm omplis with pplil lgisltion. Dikin is NOT rsponsil for inorrt or unsf situtions in th uxiliry oilr systm. Mk sur th rturn wtr to th ht pump os NOT x 55 C. To o so: St th sir wtr tmprtur vi th uxiliry oilr ontrollr to mximum 55 C. Instll n qustt vlv in th rturn wtr flow of th ht pump. St th qustt vlv to los ov 55 C n to opn low 55 C. Instll non-rturn vlvs. Mk sur to only hv on xpnsion vssl in th wtr iruit. An xpnsion vssl is lry prmount in th inoor unit. Instll th igitl I/O PCB (option EKRP1HB). Connt X1 n X2 (hngovr to xtrnl ht sour) on th PCB to th uxiliry oilr thrmostt. To stup th ht mittrs, s "5.2 Stting up th sp hting systm" on pg 11. Configurtion Vi th usr intrf (quik wizr): St th us of ivlnt systm s xtrnl ht sour. St th ivlnt tmprtur n hystrsis. Mk sur th ivlnt hystrsis hs nough iffrntil to prvnt frqunt hngovr twn inoor unit n uxiliry oilr. Bus th outoor tmprtur is msur y th outoor unit ir thrmistor, instll th outoor unit in th show so tht it is NOT influn or turn ON/OFF y irt sunlight. Frqunt hngovr my us orrosion of th uxiliry oilr. Contt th mnufturr of th uxiliry oilr for mor informtion. Chngovr to xtrnl ht sour i y n uxiliry ontt Only possil in xtrnl room thrmostt ontrol AND on lving wtr tmprtur zon (s "5.2 Stting up th sp hting systm" on pg 11). Th uxiliry ontt n : An outoor tmprtur thrmostt An ltriity triff ontt A mnully oprt ontt Stup: Connt th following fil wiring: L Inoor/Auto/Boilr N H A K1A Com K2A K1A Inoor X2M B TI X Y K2A B TI A H K1A K2A Inoor Auto Boilr Boilr thrmostt input Auxiliry ontt (norml los) Hting mn room thrmostt (optionl) Auxiliry rly for tivtion of inoor unit (fil supply) Auxiliry rly for tivtion of oilr (fil supply) Inoor unit Automti Boilr Mk sur th uxiliry ontt hs nough iffrntil or tim ly to prvnt frqunt hngovr twn inoor unit n uxiliry oilr. If th uxiliry ontt is n outoor tmprtur thrmostt, instll th thrmostt in th show so tht it is NOT influn or turn ON/OFF y irt sunlight. Frqunt hngovr my us orrosion of th uxiliry oilr. Contt th mnufturr of th uxiliry oilr for mor informtion. 5.4 Stting up th omsti hot wtr tnk Th DHW tnk is intgrt in th inoor unit, n ontins 2.4 kw oostr htr. Th oostr htr ontins 2 sftis: thrml ut-out n thrml fus. If rtin tmprtur is x, th sftis tivt th oostr htr. Th non-slf-rstting thrml ut-out of th oostr htr is st low 89 C Systm lyout Intgrt DHW tnk UI f h h f g h i j FHL1...3 UI M j g Outoor unit Inoor unit Ht xhngr Bkup htr Pump Motoris 3 wy vlv DHW tnk Shut-off vlv Colltor (fil supply) Boostr htr Unr floor hting Usr intrf i FHL1 FHL2 FHL Slting th volum n sir tmprtur for th DHW tnk Popl xprin wtr s hot whn its tmprtur is 40 C. Thrfor, th DHW onsumption is lwys xprss s quivlnt hot wtr volum t 40 C. Howvr, you n st th DHW tnk tmprtur t highr tmprtur (xmpl: 53 C), whih is thn mix with ol wtr (xmpl: 15 C). Dikin Althrm Low tmprtur split Instllr rfrn gui 17

18 5 Applition guilins Slting th volum n sir tmprtur for th DHW tnk onsists of: 1 Dtrmining th DHW onsumption (quivlnt hot wtr volum t 40 C). 2 Dtrmining th volum n sir tmprtur for th DHW tnk. Possil DHW tnk volums Typ Intgrt DHW tnk Enrgy sving tips 260 l Possil volums If th DHW onsumption iffrs from y to y, you n progrm wkly shul with iffrnt sir DHW tnk tmprturs for h y. Th lowr th sir DHW tnk tmprtur, th mor ost fftiv. By slting lrgr DHW tnk, you n lowr th sir DHW tnk tmprtur. Th ht pump itslf n prou omsti hot wtr of mximum 55 C (50 C if outoor tmprtur is low). Th ltril rsistn intgrt in th DHW tnk (oostr htr) n inrs this tmprtur. Howvr, this onsums mor nrgy. Dikin rommns to st th sir DHW tnk tmprtur low 55 C to voi using th ltril rsistn. Th oostr htr: Is us s mrgny htr. Is us whn th isinftion funtion for th DHW tnk is tiv. Cn ssist uring frost oprtion for th outoor unit. Th highr th outoor tmprtur, th ttr th prformn of th ht pump. If nrgy pris r th sm uring th y n th night, Dikin rommns to ht up th DHW tnk uring th y. If nrgy pris r lowr uring th night, Dikin rommns to ht up th DHW tnk uring th night. Whn th ht pump prous omsti hot wtr, it nnot ht up sp. Whn you n omsti hot wtr n sp hting t th sm, Dikin rommns to prou th omsti hot wtr uring th night whn thr is lowr sp hting mn. Dtrmining th DHW onsumption Answr th following qustions n lult th DHW onsumption (quivlnt hot wtr volum t 40 C) using th typil wtr volums: Qustion How mny showrs r n pr y? How mny ths r n pr y? How muh wtr is n t th kithn sink pr y? Ar thr ny othr omsti hot wtr ns? Typil wtr volum 1 showr = 10 min 10 l/min = 100 l 1 th = 150 l 1 sink = 2 min 5 l/min = 10 l Exmpl: If th DHW onsumption of fmily (4 prsons) pr y is s follows: 3 showrs 1 th 3 sink volums Thn th DHW onsumption = (3 100 l)+(1 150 l)+(3 10 l)=480 l Dtrmining th volum n sir tmprtur for th DHW tnk Formul V 1 =V 2 +V 2 (T 2 40)/(40 T 1 ) V 2 =V 1 (40 T 1 )/(T 2 T 1 ) V 1 V 2 T 2 T 1 If: V 2 =180 l T 2 =54 C T 1 =15 C Thn V 1 =280 l If: V 1 =480 l T 2 =54 C T 1 =15 C Thn V 2 =307 l Exmpl DHW onsumption (quivlnt hot wtr volum t 40 C) Rquir DHW tnk volum if only ht on DHW tnk tmprtur Col wtr tmprtur Stup n onfigurtion DHW tnk For lrg DHW onsumptions, you n ht up th DHW tnk svrl tims uring th y. To ht up th DHW tnk to th sir DHW tnk tmprtur, you n us th following nrgy sours: Thrmoynmi yl of th ht pump Boostr htr For mor informtion out optimizing th nrgy onsumption for prouing omsti hot wtr, s "8 Configurtion" on pg DHW pump for instnt hot wtr Stup j f g h i j h i f g Inoor unit DHW tnk DHW pump (fil supply) Showr (fil supply) Col wtr Domsti hot wtr OUT Rirultion onntion Boostr htr By onnting DHW pump, instnt hot wtr n vill t th tp. Th DHW pump n th instlltion r fil supply n th rsponsiility of th instllr. For mor informtion out onnting th rirultion onntion: s "7 Instlltion" on pg 29. Configurtion For mor informtion, s "8 Configurtion" on pg 49. You n progrm shul to ontrol th DHW pump vi th usr intrf. For mor informtion, s th usr rfrn gui. Instllr rfrn gui 18 Dikin Althrm Low tmprtur split

19 5 Applition guilins DHW pump for isinftion Stup j f g h i j h i Inoor unit DHW tnk DHW pump (fil supply) Htr lmnt (fil supply) Non rturn vlv (fil supply) Showr (fil supply) Col wtr Domsti hot wtr OUT Rirultion onntion Boostr htr f g Th DHW pump is fil-suppli n its instlltion is th rsponsiility of th instllr. Th tmprtur of th DHW tnk n st to mximum 65 C. If pplil lgisltion rquirs highr tmprtur for isinftion, you n onnt DHW pump n htr lmnt s shown ov. If pplil lgisltion rquirs isinftion of th wtr piping until th tpping point, you n onnt DHW pump n htr lmnt (if n) s shown ov. Configurtion Th inoor unit n ontrol DHW pump oprtion. For mor informtion, s "8 Configurtion" on pg Stting up th nrgy mtring Vi th usr intrf, you n r out th following nrgy t: Prou ht Consum nrgy You n r out th nrgy t: For sp hting For omsti hot wtr proution You n r out th nrgy t: Pr month Pr yr Th lult prou ht n onsum nrgy r n stimtion, th ury nnot gurnt Prou ht Th snsors us to lult th prou ht r lirt utomtilly. Applil for ll mols. Th prou ht is lult intrnlly s on: Th lving n ntring wtr tmprtur Th flow rt Th powr onsumption of th oostr htr in th omsti hot wtr tnk Stup n onfigurtion: No itionl quipmnt n. Msur th pity (rsistn msurmnt) of th oostr htr n st th pity vi th usr intrf. Exmpl: If you msur oostr htr rsistn of 24Ω, th pity of th htr t 230 V is 2200 W Consum nrgy You n us th following mthos to trmin th onsum nrgy: Clulting Msuring You nnot omin lulting th onsum nrgy (xmpl: for kup htr) n msuring th onsum nrgy (xmpl: for outoor unit). If you o so, th nrgy t will invli. Clulting th onsum nrgy Only pplil for EHVH Th onsum nrgy is lult intrnlly s on: Th tul powr input of th outoor unit Th st pity of th kup htr n oostr htr Th voltg Stup n onfigurtion: To gt urt nrgy t, msur th pity (rsistn msurmnt) n st th pity vi th usr intrf for: Th kup htr (stp 1 n stp 2) Th oostr htr Msuring th onsum nrgy Applil for ll mols. Prfrr mtho us of highr ury. Rquirs xtrnl powr mtrs. Stup n onfigurtion: Whn using ltril powr mtrs, st th numr of pulss/kwh for h powr mtr vi th usr intrf. Consum nrgy t for EHVH11+16 mols will only vill if this stting is onfigur. Whn msuring th ltril powr onsumption, mk sur ALL powr input of th systm is ovr y th ltril powr mtrs Norml kwh rt powr supply Gnrl rul On powr mtr tht ovrs th ntir systm is suffiint. Stup Connt th powr mtr to X5M/7 n X5M/8. Powr mtr typ In s of Singl-phs outoor unit Bkup htr suppli from singl-phs gri In othr ss (i.. thr-phs outoor unit n/or kup htr onnt to thrphs gri) Us powr mtr Singl-phs Thr-phs Dikin Althrm Low tmprtur split Instllr rfrn gui 19

20 5 Applition guilins Exmpl Singl-phs powr mtr Thr-phs powr mtr Powr mtr 2: In s of singl-phs kup htr onfigurtion, us singl-phs powr mtr. In othr ss, us thr-phs powr mtr. Exmpl Singl-phs outoor unit with thr-phs kup htr: A B C f A Outoor unit B Inoor unit C DHW tnk g Eltril int (L 1 /N) Powr mtr (L 1 /N) Fus (L 1 /N) Outoor unit (L 1 /N) Inoor unit (L 1 /N) f Bkup htr (L 1 /N) g Boostr htr (L 1 /N) Exption You n us son powr mtr if: f g A B C A Outoor unit B Inoor unit C DHW tnk Eltril int (L 1 /L 2 /L 3 /N) h Powr mtr (L 1 /L 2 /L 3 /N) Fus (L 1 /L 2 /L 3 /N) Fus (L 1 /N) Outoor unit (L 1 /L 2 /L 3 /N) f Inoor unit (L 1 /L 2 /L 3 /N) g Bkup htr (L 1 /L 2 /L 3 /N) h Boostr htr (L 1 /N) Th powr rng of on mtr is insuffiint. Th ltril mtr nnot sily instll in th ltril int. 230 V n 400 V thr-phs gris r omin (vry unommon), us of thnil limittions of powr mtrs. Conntion n stup: Connt th son powr mtr to X5M/9 n X5M/10. In th softwr th powr onsumption t of oth mtrs is so you o NOT hv to st whih mtr ovrs whih powr onsumption. You only n to st th numr of pulss of h powr mtr. S "5.5.4 Prfrntil kwh rt powr supply" on pg 20 for n xmpl with two powr mtrs Prfrntil kwh rt powr supply Gnrl rul Powr mtr 1: Msurs th outoor unit. Powr mtr 2: Msurs th rst (i.. inoor unit, kup htr, n oostr htr). Stup Connt powr mtr 1 to X5M/7 n X5M/8. Connt powr mtr 2 to X5M/9 n X5M/10. Powr mtr typs Powr mtr 1: Singl- or thr-phs powr mtr oring to th powr supply of th outoor unit. g h A B C A B C f g h i j i f j Outoor unit Inoor unit DHW tnk Eltril int (L 1 /N): Prfrntil kwh rt powr supply Eltril int (L 1 /L 2 /L 3 /N): Norml kwh rt powr supply Powr mtr (L 1 /N) Powr mtr (L 1 /L 2 /L 3 /N) Fus (L 1 /N) Fus (L 1 /L 2 /L 3 /N) Outoor unit (L 1 /N) Inoor unit (L 1 /N) Bkup htr (L 1 /L 2 /L 3 /N) Boostr htr (L 1 /N) 5.6 Stting up th powr onsumption ontrol Th powr onsumption ontrol: Is only pplil for EHVH Allows you to limit th powr onsumption of th ntir systm (sum of outoor unit, inoor unit, oostr htr, n kup htr). Configurtion: St th powr limittion lvl n how it hs to hiv vi th usr intrf. Th powr limittion lvl n xprss s: Mximum running urrnt (in A) Mximum powr input (in kw) Th powr limittion lvl n tivt: Prmnntly By igitl inputs Prmnnt powr limittion Prmnnt powr limittion is usful to ssur mximum powr or urrnt input of th systm. In som ountris, lgisltion limits th mximum powr onsumption for sp hting n DHW proution. Instllr rfrn gui 20 Dikin Althrm Low tmprtur split

21 5 Applition guilins DI P i DI1 P i P i t DI Stup n onfigurtion t Powr input Tim Digitl input (powr limittion lvl) Powr limittion tiv Atul powr input No itionl quipmnt n. St th powr onsumption ontrol sttings in [A.6.3.1] vi th usr intrf (for th sription of ll sttings, s "8 Configurtion" on pg 49): Slt full tim limittion mo Slt th typ of limittion (powr in kw or urrnt in A) St th sir powr limittion lvl Min th following guilins whn slting th sir powr limittion lvl: St minimum powr onsumption of ±3.6 kw to gurnt frost oprtion. Othrwis, if frosting is intrrupt svrl tims, th ht xhngr will frz up. St minimum powr onsumption of ±3 kw to gurnt sp hting n DHW proution y llowing t lst on ltril htr (kup htr stp 1 or oostr htr) Powr limittion tivt y igitl inputs Powr limittion is lso usful in omintion with n nrgy mngmnt systm. Th powr or urrnt of th ntir Dikin systm is limit ynmilly y igitl inputs (mximum four stps). Eh powr limittion lvl is st vi th usr intrf y limiting on of th following: Currnt (in A) Powr input (in kw) Th nrgy mngmnt systm (fil supply) is th tivtion of rtin powr limittion lvl. Exmpl: To limit th mximum powr of th ntir hous (lighting, omsti pplins, sp hting ) A8P 2 1 D A B C A B C D Outoor unit Inoor unit DHW tnk Enrgy mngmnt systm Powr limittion tivtion (4 igitl inputs) Bkup htr Boostr htr DI3 DI4 Stup P i t DI t Powr input Tim Digitl inputs (powr limittion lvls) Powr limittion tiv Atul powr input Dmn PCB (option EKRP1AHTA) n. Mximum four igitl inputs r us to tivt th orrsponing powr limittion lvl: DI1 = wkst limittion (highst nrgy onsumption) DI4 = strongst limittion (lowst nrgy onsumption) For th spifitions of th igitl inputs, n for whr to onnt thm, rfr to th wiring igrm. Configurtion St th powr onsumption ontrol sttings in [A.6.3.1] vi th usr intrf (for th sription of ll sttings, s "8 Configurtion" on pg 49): Slt tivtion y igitl inputs. Slt th typ of limittion (powr in kw or urrnt in A). St th sir powr limittion lvl orrsponing to h igitl input. In s mor thn 1 igitl input is los (t th sm tim), th igitl input priority is fix: DI4 priority> >DI Powr limittion pross Th outoor unit hs ttr ffiiny thn th ltril htrs. Thrfor, th ltril htrs r limit n turn OFF first. Th systm limits powr onsumption in th following orr: 1 Limits rtin ltril htrs. If hs priority Domsti hot wtr proution Boostr htr. Sp hting 2 Turns OFF ll ltril htrs. 3 Limits th outoor unit. 4 Turns OFF th outoor unit. Exmpl If th onfigurtion is s follows: Thn st th htr priority vi th usr intrf to Rsult: Th kup htr will turn OFF first. Bkup htr. Rsult: Th oostr htr will turn OFF first. Powr limittion lvl os NOT llow oprtion of oth oostr htr n kup htr (stp 1 n stp 2). Htr priority = Boostr htr. Thn powr onsumption is limit s follows: Dikin Althrm Low tmprtur split Instllr rfrn gui 21

22 6 Prprtion P h A B C P h C A B C C Prou ht Consum nrgy Outoor unit Boostr htr Bkup htr Limit outoor unit oprtion Full outoor unit oprtion Boostr htr turn ON Bkup htr stp 1 turn ON Bkup htr stp 2 turn ON 5.7 Stting up n xtrnl tmprtur snsor You n onnt on xtrnl tmprtur snsor. It n msur th inoor or outoor mint tmprtur. Dikin rommns to us n xtrnl tmprtur snsor in th following ss: Inoor mint tmprtur In room thrmostt ontrol, th usr intrf is us s room thrmostt n it msurs th inoor mint tmprtur. Thrfor, th usr intrf must instll on lotion: Whr th vrg tmprtur in th room n tt Tht is NOT xpos to irt sunlight Tht is NOT nr ht sour Tht is NOT fft y outsi ir or ir rught us of, for xmpl, oor opning/losing If this is NOT possil, Dikin rommns to onnt rmot inoor snsor (option KRCS01-1). Stup: For instlltion instrutions, s th instlltion mnul of th rmot inoor snsor. Configurtion: Slt room snsor [A.2.2.B]. Outoor mint tmprtur In th outoor unit, th outoor mint tmprtur is msur. Thrfor, th outoor unit must instll on lotion: At th north si of th hous or t th si of th hous whr th most ht mittrs r lot Tht is NOT xpos to irt sunlight If this is NOT possil, Dikin rommns to onnt rmot outoor snsor (option EKRSCA1). Stup: For instlltion instrutions, s th instlltion mnul of th rmot outoor snsor. Configurtion: Slt outoor snsor [A.2.2.B]. During suspn (s "8 Configurtion" on pg 49), th outoor unit is turn own to ru th stny nrgy losss. As rsult, th outoor mint tmprtur is NOT r out. If th sir lving wtr tmprtur is wthr pnnt, th full tim outoor tmprtur msurmnt is importnt. This is nothr rson to instll th optionl outoor mint tmprtur snsor. 6 Prprtion 6.1 Ovrviw: Prprtion This hptr sris wht you hv to o n know for going on-sit. It ontins informtion out: Prpring th instlltion sit Prpring th rfrigrnt piping Prpring th wtr piping Prpring th ltril wiring 6.2 Prpring instlltion sit Do NOT instll th unit in pls oftn us s work pl. In s of onstrution works (.g. grining works) whr lot of ust is rt, th unit must ovr. Choos th instlltion lotion with suffiint pl for rrying th unit in n out of th sit Instlltion sit rquirmnts of th outoor unit Also r th following rquirmnts: Gnrl instlltion sit rquirmnts. S th "Gnrl sfty prutions" hptr. Srvi sp rquirmnts. S th "Thnil t" hptr. Rfrigrnt piping rquirmnts (lngth, hight iffrn). S furthr in this "Prprtion" hptr. Slt pl whr rin n voi s muh s possil. Tk r tht in th vnt of wtr lk, wtr nnot us ny mg to th instlltion sp n surrounings. Do NOT instll th unit in th following pls: Soun snsitiv rs (.g. nr room), so tht th oprtion nois will us no troul. Not: If th soun is msur unr tul instlltion onitions, th msur vlu might highr thn th soun prssur lvl mntion in Soun sptrum in th t ook u to nvironmntl nois n soun rfltions. In pls whr minrl oil mist, spry or vpour my prsnt in th tmosphr. Plsti prts my triort n fll off or us wtr lkg. It is NOT rommn to instll th unit in th following pls us it my shortn th lif of th unit: Whr th voltg flututs lot In vhils or vssls Whr ii or lklin vpour is prsnt Ssi instlltion. Mk sur th outoor unit is NOT irtly xpos to s wins. This is to prvnt orrosion us y high lvls of slt in th ir, whih might shortn th lif of th unit. Th xtrnl outoor mint snsor t (ithr vrg or instntnous) is us in th wthr-pnnt ontrol urvs. To prott th outoor unit, th intrnl snsor of th outoor unit is lwys us. Instllr rfrn gui 22 Dikin Althrm Low tmprtur split

23 6 Prprtion Instll th outoor unit wy from irt s wins. Exmpl: Bhin th uiling. Prviling win irtion Air outlt Th outoor unit is sign for outoor instlltion only, n for mint tmprturs rnging 10~43 C in ooling mo n 25~25 C in hting mo Aitionl instlltion sit rquirmnts of th outoor unit in ol limts Prott th outoor unit ginst irt snowfll n tk r tht th outoor unit is NEVER snow up. If th outoor unit is xpos to irt s wins, instll winrkr. Hight of winrkr 1.5 hight of outoor unit Min th srvi sp rquirmnts whn instlling th winrkr. S win Builing Outoor unit Winrkr Strong wins ( 18 km/h) lowing ginst th outoor unit s ir outlt uss short iruit (sution of ishrg ir). This my rsult in: triortion of th oprtionl pity; frqunt frost lrtion in hting oprtion; isruption of oprtion u to rs of low prssur or inrs of high prssur; rokn fn (if strong win lows ontinuously on th fn, it my strt rotting vry fst, until it rks). It is rommn to instll ffl plt whn th ir outlt is xpos to win. It is rommn to instll th outoor unit with th ir inlt fing th wll n NOT irtly xpos to th win. You n us th optionl snow ovr (EK016SNC). Snow ovr or sh Pstl (minimum hight = 150 mm) Prviling win irtion Air outlt Instlltion sit rquirmnts of th inoor unit Also r th prutions n rquirmnts in th "Gnrl sfty prutions" hptr. Min th msurmnt guilins: Mximum rfrigrnt piping lngth twn inoor unit n outoor unit Minimum rfrigrnt piping lngth twn inoor unit n outoor unit Mximum hight iffrn twn inoor unit n outoor unit () ERHQ: 75 m (95 m) () ERLQ: 50 m (70 m) () 3 m 30 m Prnthsis figur rprsnts th quivlnt lngth. Min th following sping instlltion guilins: Bffl plt Dikin Althrm Low tmprtur split Instllr rfrn gui 23

24 6 Prprtion Rfrigrnt piping insultion Us polythyln fom s insultion mtril: with ht trnsfr rt twn n W/mK (0.035 n kl/mh C) with ht rsistn of t lst 120 C Insultion thiknss >150 >500 >10 Amint tmprtur Humiity Minimum thiknss 30 C 75% to 80% RH 15 mm >30 C 80% RH 20 mm (mm) Do NOT instll th unit in pls suh s: In pls whr minrl oil mist, spry or vpour my prsnt in th tmosphr. Plsti prts my triort n fll off or us wtr lkg. Soun snsitiv rs (.g. nr room), so tht th oprtion nois will us no troul. Th fountion must strong nough to r th wight of th unit. Tk th wight of th unit with omsti hot wtr tnk full of wtr into ount. Mk sur, in th vnt of wtr lk, wtr nnot us ny mg to th instlltion sp n surrounings. In pls with high humiity (mx. RH=85%), for xmpl throom. In pls whr frost is possil. Amint tmprtur roun th inoor unit shoul >5 C. Th inoor unit is sign for inoor instlltion only n for mint tmprturs rnging from 5~35 C Instlltion sit rquirmnts of th omsti hot wtr tnk kit Th omsti hot wtr tnk kit is mount into th inoor unit. Th us of tnk kit EKVSU260A xtns th hight of th inoor unit y 190 mm. 6.3 Prpring rfrigrnt piping Rfrigrnt piping rquirmnts Also r th prutions n rquirmnts in th "Gnrl sfty prutions" hptr. Piping mtril: Phosphori i oxiis smlss oppr. Piping imtr: Liqui piping Ø9.5 mm (3/8") Gs piping Ø15.9 mm (5/8") Piping tmpr gr n thiknss: Outr imtr (Ø) Tmpr gr 9.5 mm (3/8") Annl (O) 0.8 mm 15.9 mm (5/8") Annl (O) 1.0 mm () Thiknss (t) () Dpning on th pplil lgisltion n th unit's mximum working prssur (s "PS High" on th unit nm plt), lrgr piping thiknss might rquir. Ø t 6.4 Prpring wtr piping Wtr iruit rquirmnts Also r th prutions n rquirmnts in th "Gnrl sfty prutions" hptr. In s of plsti pips, mk sur thy r fully oxygn iffusion tight oring to DIN Th iffusion of oxygn into th piping n l to xssiv orrosion. Connting piping Lgisltion. Mk ll piping onntions in orn with th pplil lgisltion n th instrutions in th "Instlltion" hptr, rspting th wtr inlt n outlt. Connting piping For. Do NOT us xssiv for whn onnting th piping. Dformtion of th piping n us mlfuntioning of th unit. Connting piping Tools. Only us pproprit tooling to hnl rss, whih is soft mtril. If NOT, pips will gt mg. Connting piping Air, moistur, ust. If ir, moistur or ust gts into th iruit, prolms my our. To prvnt this: Only us ln pips Hol th pip n ownwrs whn rmoving urrs. Covr th pip n whn insrting it through wll, to prvnt ust n/or prtils ntring th pip. Us nt thr slnt to sl onntions. Clos iruit. Us th inoor unit ONLY in los wtr systm. Using th systm in n opn wtr systm will l to xssiv orrosion. Glyol. For sfty rsons, it is NOT llow to ny kin of glyol to th wtr iruit. Piping lngth. It is rommn to voi long runs of piping twn th omsti hot wtr tnk n th hot wtr n point (showr, th, ) n to voi ns. Piping imtr. Slt th wtr piping imtr in rltion to th rquir wtr flow n th vill xtrnl stti prssur of th pump. S "14 Thnil t" on pg 86 for th xtrnl stti prssur urvs of th inoor unit. Wtr flow. You n fin th minimum rquir wtr flow for inoor unit oprtion in th following tl. In ll ss, this flow ns to gurnt. Whn th flow is lowr, th inoor unit will stop oprtion n isply rror 7H. Minimum rquir flow rt mols 12 l/min mols 15 l/min Instllr rfrn gui 24 Dikin Althrm Low tmprtur split

25 6 Prprtion Fil supply omponnts Wtr. Only us mtrils tht r omptil with wtr us in th systm n with th mtrils us in th inoor unit. Fil supply omponnts Wtr prssur n tmprtur. Chk tht ll omponnts in th fil piping n withstn th wtr prssur n wtr tmprtur. Wtr prssur. Th mximum wtr prssur is 4 r. Provi qut sfgurs in th wtr iruit to nsur tht th mximum prssur is NOT x. Wtr tmprtur. All instll piping n piping ssoris (vlv, onntions, ) MUST withstn th following tmprturs: Th following illustrtion is n xmpl n might NOT mth your systm lyout. f g h i j k l FCU1...3 FHL C j l k M 75 C g f h f M FCU1 FCU2 i FCU3 FHL1 Outoor unit Inoor unit Ht xhngr Bkup htr Pump Stop vlv Motoris 3-wy vlv Motoris 2-wy vlv (fil supply) Colltor Domsti hot wtr tnk Ht xhngr oil Boostr htr Fn oil unit (optionl) (fil supply) Floor hting loop (fil supply) i i i FHL2 FHL3 Dring Low points. Provi rin tps t ll low points of th systm in orr to llow omplt ring of th wtr iruit. Dring Prssur rlif vlvs. Provi propr rin for th prssur rlif vlvs (of oth th omsti hot wtr tnk n th omsti hot wtr tnk kit) to voi wtr ripping out of th unit. For th ishrg piping onnt to ths vlvs, rspt th rquirmnts from th tl low. For mor informtion, s "7.8.4 To onnt th wtr piping" on pg 38 n "7.8.5 To onnt th prssur rlif vlv to th rin" on pg 40. Itm Prssur rlif vlv imtr Dishrg pip imtr (to prssur rlif vlv) Dishrg piping imtr (from tunish) Rquirmnt 15 mm 15 mm 22 mm Itm Dishrg piping mtril (from tunish) Vrtil lngth low tunish, for first low or n Rquirmnt Mtl 300 mm Continuous fll ftr first low or n 1:200 Mximum rsistn () Rsistn rt y h low or n () 9 m 0.8 m Th mximum llow rsistn (i.. quivlnt lngth) is xprss s lngth of stright pip (i.. no lows or ns). All piping MUST instll oring to stion G3 of th Builing Rgultions. Air vnts. Provi ir vnts t ll high points of th systm, whih must lso sily ssil for srviing. An utomti ir purg is provi in th inoor unit. Chk tht th ir purg is NOT tightn too muh, so tht utomti rls of ir in th wtr iruit is possil. Zn-ot prts. Nvr us Zn-ot prts in th wtr iruit. Bus th unit's intrnl wtr iruit uss oppr piping, xssiv orrosion my our. Non-rss mtlli piping. Whn using non-rss mtlli piping, insult th rss n non-rss proprly so tht thy o NOT mk ontt with h othr. This to prvnt glvni orrosion. Vlv Sprting iruits. Whn using 3-wy vlv in th wtr iruit mk sur tht th omsti hot wtr iruit n th floor hting iruit is fully sprt. Vlv Chng ovr tim. Whn using 2-wy vlv or 3-wy vlv in th wtr iruit, th mximum hng-ovr tim of th vlv must 60 sons. Filtr. It is strongly rommn to instll n itionl filtr on th hting wtr iruit. Espilly to rmov mtlli prtils from foul hting piping, it is rommn to us mgnti or ylon filtr, whih n rmov smll prtils. Smll prtils my mg th unit n will NOT rmov y th stnr filtr of th ht pump systm. Domsti hot wtr tnk Cpity. To voi stgntion of wtr, it is importnt tht th storg pity of th omsti hot wtr tnk mts th ily onsumption of omsti hot wtr. Domsti hot wtr tnk Aftr instlltion. Immitly ftr instlltion, th omsti hot wtr tnk must flush with frsh wtr. This prour must rpt t lst on y th first 5 onsutiv ys ftr instlltion. Domsti hot wtr tnk Stnstills. In ss whr uring longr prios of tim thr is no onsumption of hot wtr, th quipmnt MUST flush with frsh wtr for usg. Domsti hot wtr tnk Disinftion. For th isinftion funtion of th omsti hot wtr tnk, s "8.3.2 Domsti hot wtr ontrol: vn" on pg 62. Domsti hot wtr tnk kit Cln pips. Bfor instlling th omsti hot wtr tnk kit, ll piping n fittings must flush fr of flux n ris. Filur to o this my us irrprl mg to th tnk kit ontrol vlvs. Flush th systm y opning th hot wtr tp. Domsti hot wtr tnk kit Prssur lning. To prvnt lrg prssur iffrns t th tps n mg to th showr vlv u to high prssur ol wtr (5 r), provi it 2 r f to oth ol wtr n hot wtr tps. To o this, lso onnt th ol wtr supply for th ol wtr tps to th prssur ruing vlv of th omsti hot wtr tnk kit. Dikin Althrm Low tmprtur split Instllr rfrn gui 25

26 6 Prprtion f g f g h Whn irultion in h sp hting loop is ontroll y rmotly ontroll vlvs, it is importnt tht th minimum wtr volum is gurnt, vn if ll of th vlvs r los. f g Col wtr supply into hous t 5 r To 5-r tps Prssur ruing vlv (prt of th omsti hot wtr tnk kit) Inoor unit Dit 2 r f Col wtr tps Hot wtr tps Domsti hot wtr tnk kit Sonry rturn. Whr th sonry rturn iruits r us, n itionl xpnsion vssl my rquir. Thrmostti mixing vlvs. In orn with th pplil lgisltion, it my nssry to instll thrmostti mixing vlvs. Hygini msurs. Th instlltion must in omplin with th pplil lgisltion n my rquir itionl hygini instlltion msurs. Rirultion pump. In orn with th pplil lgisltion, it my rquir to onnt rirultion pump in twn th hot wtr n point n th rirultion onntion of th omsti hot wtr tnk. f g h FHL1...3 T1...3 M1...3 Mximum wtr volum f f T1 M1 FHL1 T2 M2 g FHL2 T3 M3 FHL3 Outoor unit Inoor unit Ht xhngr Bkup htr Pump Shut-off vlv Colltor (fil supply) By-pss vlv (fil supply) Floor hting loop (fil supply) Iniviul room thrmostt (optionl) Iniviul motoris vlv to ontrol loop FHL1...3 (fil supply) Us th following grph to trmin th mximum wtr volum for th lult pr-prssur. 2.5 h Rirultion onntion Hot wtr onntion Showr Rirultion pump Formul to lult th xpnsion vssl pr-prssur Th pr-prssur (Pg) of th vssl pns on th instlltion hight iffrn (H): Pg=0.3+(H/10) (r) To hk th wtr volum n flow rt Th inoor unit hs n xpnsion vssl of 10 litr with ftory st pr-prssur of 1 r. To mk sur tht th unit oprts proprly: You must hk th minimum n mximum wtr volum. You might n to just th pr-prssur of th xpnsion vssl. Minimum wtr volum Chk tht th totl wtr volum in th instlltion is minimum 20 litr, th intrnl wtr volum of th inoor unit NOT inlu. In ritil prosss, or in rooms with high ht lo, xtr wtr might rquir Pr-prssur (r) Mximum wtr volum (l) Exmpl: Mximum wtr volum n xpnsion vssl prprssur Instlltion hight iffrn () 7 m 280 l No pr-prssur justmnt is rquir. Wtr volum >280 l Do th following: Drs th prprssur. Chk if th wtr volum os NOT x th mximum llow wtr volum. Instllr rfrn gui 26 Dikin Althrm Low tmprtur split

27 6 Prprtion Instlltion hight iffrn () 280 l >7 m Do th following: () Minimum flow rt Inrs th prprssur. Chk if th wtr volum os NOT x th mximum llow wtr volum. Wtr volum >280 l Th xpnsion vssl of th inoor unit is too smll for th instlltion. In this s, it is rommn to instll n xtr vssl outsi th unit. This is th hight iffrn (m) twn th highst point of th wtr iruit n th inoor unit. If th inoor unit is t th highst point of th instlltion, th instlltion hight is 0 m. Chk tht th minimum flow rt (rquir uring frost/kup htr oprtion) in th instlltion is gurnt in ll onitions. Whn irultion in h or rtin sp hting loops is ontroll y rmotly ontroll vlvs, it is importnt tht th minimum flow rt is gurnt, vn if ll vlvs r los. In s th minimum flow rt nnot rh, flow rror 7H will gnrt (no hting/oprtion). Minimum rquir flow rt mols 12 l/min mols 15 l/min S th rommn prour s sri in "9.4 Chklist uring ommissioning" on pg Chnging th pr-prssur of th xpnsion vssl Only lins instllr my just th pr-prssur of th xpnsion vssl. Whn hnging th fult pr-prssur of th xpnsion vssl (1 r) is rquir, tk following guilins into ount: Only us ry nitrogn to st th xpnsion vssl pr-prssur. Inpproprit stting of th xpnsion vssl pr-prssur will l to mlfuntion of th systm. Chnging th pr-prssur of th xpnsion vssl shoul on y rlsing or inrsing nitrogn prssur through th Shrr vlv of th xpnsion vssl. 260 l 180 l Domsti hot wtr tnk kit (EKVSU A). Th omsti hot wtr kit lso ontins 2 xpnsion vssls. Chk tht thy r prssuris y pushing thir Shrr vlvs (purging ir) To hk th wtr volum: Exmpls Exmpl 1 Th inoor unit is instll 5 m low th highst point in th wtr iruit. Th totl wtr volum in th wtr iruit is 100 l. No tions or justmnts r rquir. Exmpl 2 Th inoor unit is instll t th highst point in th wtr iruit. Th totl wtr volum in th wtr iruit is 350 l. Ations: Bus th totl wtr volum (350 l) is mor thn th fult wtr volum (280 l), th pr-prssur must rs. Th rquir pr-prssur is: Pg = (0.3+(H/10)) r = (0.3+(0/10)) r=0.3 r. Th orrsponing mximum wtr volum t 0.3 r is 410 l. (S th grph in th hptr ov). Bus 350 l is lowr thn 410 l, th xpnsion vssl is pproprit for th instlltion. 6.5 Prpring ltril wiring Aout prpring ltril wiring Also r th prutions n rquirmnts in th "Gnrl sfty prutions" hptr. Also r "7.9.5 Spifitions of stnr wiring omponnts" on pg 42. WARNING If th powr supply hs missing or wrong N-phs, quipmnt might rk own. Estlish propr rthing. Do NOT rth th unit to utility pip, surg sorr, or tlphon rth. Inomplt rthing my us ltril shok. Instll th rquir fuss or iruit rkrs. Sur th ltril wiring with l tis so tht th ls o NOT om in ontt with shrp gs or piping, prtiulrly on th high-prssur si. Do NOT us tp wirs, strn onutor wirs, xtnsion ors, or onntions from str systm. Thy n us ovrhting, ltril shok or fir. Do NOT instll phs vning pitor, us this unit is quipp with n invrtr. A phs vning pitor will ru prformn n my us ints. Shrr vlv Dikin Althrm Low tmprtur split Instllr rfrn gui 27

28 6 Prprtion WARNING All wiring must prform y n uthoriz ltriin n must omply with th pplil lgisltion. Mk ltril onntions to th fix wiring. All omponnts prour on th sit n ll ltril onstrution must omply with th pplil lgisltion Ovrviw of ltril onntions xpt xtrnl tutors Norml powr supply Prfrntil kwh rt powr supply Powr supply is NOT intrrupt Powr supply is intrrupt WARNING Th kup htr MUST hv it powr supply n MUST prott y th sfty vis rquir y th pplil lgisltion WARNING Th oostr htr MUST hv it powr supply n MUST prott y th sfty vis rquir y th pplil lgisltion. WARNING ALWAYS us multior l for powr supply ls Aout prfrntil kwh rt powr supply For pplitions with prfrntil kwh rt powr supply: Th intrruption of th outoor unit powr supply my not mor thn 2 hours to gurnt optimis strtup onitions for th omprssor. Eltriity ompnis throughout th worl work hr to provi rlil ltri srvi t omptitiv pris n r oftn uthoriz to ill lints t nfit rts. E.g. tim-of-us rts, ssonl rts, Wärmpumpntrif in Grmny n Austri,... This quipmnt llows for onntion to suh prfrntil kwh rt powr supply livry systms. Consult with th ltriity ompny ting s provir t th sit whr this quipmnt is to instll to know whthr it is pproprit to onnt th quipmnt in on of th prfrntil kwh rt powr supply livry systms vill, if ny. Whn th quipmnt is onnt to suh prfrntil kwh rt powr supply, th ltriity ompny is llow to: intrrupt powr supply to th quipmnt for rtin prios of tim; mn tht th quipmnt only onsums limit mount of ltriity uring rtin prios of tim. Th inoor unit is sign to riv n input signl y whih th unit swiths into for off mo. At tht momnt, th outoor unit omprssor will not oprt. Whthr th powr supply is intrrupt or not, th wiring to th unit is iffrnt. 2 During prfrntil kwh rt powr supply tivtion, powr supply is NOT intrrupt. Th outoor unit is turn off y th ontrol. Rmrk: Th ltriity ompny must lwys llow th powr onsumption of th inoor unit. 2 During prfrntil kwh rt powr supply tivtion, powr supply is intrrupt immitly or ftr som tim y th ltriity ompny. In this s, th inoor unit must powr y sprt norml powr supply. Norml powr supply Prfrntil kwh rt powr supply 1 Powr supply for outoor unit 2 Powr supply n intronntion l to inoor unit 3 Powr supply for kup htr 4 Prfrntil kwh rt powr supply (voltg fr ontt) 5 Norml kwh rt powr supply (to powr th inoor unit PCB in th vnt of powr supply intrruption of th prfrntil kwh rt powr supply) Ovrviw of ltril onntions for xtrnl n intrnl tutors Th following illustrtion shows th rquir fil wiring. Th following illustrtion is n xmpl n might NOT mth your systm lyout M 2 Inoor unit Itm Dsription Wirs Mximum running urrnt Outoor unit n inoor unit powr supply 1 Powr supply for outoor unit 2+GND or 3+GND () Instllr rfrn gui 28 Dikin Althrm Low tmprtur split

29 7 Instlltion Itm Dsription Wirs Mximum running urrnt 2 Powr supply n 3 () intronntion l to inoor unit 3 Powr supply for kup htr 3 Powr supply for oostr htr 4 Prfrntil kwh rt powr supply (voltg fr ontt) 5 Norml kwh rt powr supply Usr intrf S tl low. 2+GND () 2 () A 6 Usr intrf 2 () Optionl quipmnt 11 Powr supply for ottom plt htr 2 () 12 Room thrmostt 3 or ma () 13 Outoor mint tmprtur snsor 2 () 15 Ht pump onvtor ma () Fil suppli omponnts 16 Shut-off vlv ma () 17 Eltriity mtr 2 (pr mtr) () 18 Domsti hot wtr pump 2 () 19 Alrm output 2 () 20 Chngovr to xtrnl ht sour ontrol 21 Sp hting oprtion ontrol 22 Powr onsumption igitl inputs 2 () 2 () 2 (pr input signl) 23 Sfty thrmostt 2 () () () () () () Rfr to nm plt on outoor unit. Minimum l stion 0.75 mm². Cl stion 2.5 mm². Cl stion 0.75 mm² till 1.25 mm²; mximum lngth: 50 m. Voltg-fr ontt shll nsur th minimum pplil lo of 15 V DC, 10 ma. Cl stion 0.75 mm² till 1.25 mm²; mximum lngth: 500 m. Applil for oth singl usr intrf n ul usr intrf onntion. Mor thnil spifitions of th iffrnt onntions r init on th insi of th inoor unit. Bkup htr typ Powr supply () Rquir numr of onutors *6W V 2+GND + 2 rigs V 3+GND + 1 rig V 4+GND 7 Instlltion 7.1 Ovrviw: Instlltion This hptr sris wht you hv to o n know on-sit to instll th systm. Typil workflow Instlltion typilly onsists of th following stgs: 1 Mounting th outoor unit. 2 Mounting th inoor unit. 3 Connting th rfrigrnt piping. 4 Chking th rfrigrnt piping. 5 Chrging rfrigrnt. 6 Connting th wtr piping (inluing th instlltion of th omsti hot wtr tnk kit). 7 Connting th ltril wiring. 8 Finishing th outoor instlltion. 9 Finishing th inoor instlltion. Dpning on th units n/or th instlltion onitions, it might nssry to onnt ltril wiring for you n hrg rfrigrnt. 7.2 Opning th units Aout opning th units At rtin tims, you hv to opn th unit. Exmpl: Whn onnting th rfrigrnt piping Whn onnting th ltril wiring Whn mintining or srviing th unit DANGER: RISK OF ELECTROCUTION Do NOT lv th unit unttn whn th srvi ovr is rmov To opn th outoor unit DANGER: RISK OF ELECTROCUTION DANGER: RISK OF BURNING To opn th inoor unit 1 Loosn n rmov th srws t th ottom of th unit. 2 Push on th utton t th ottom of th front plt. WARNING: Shrp gs Tk th front plt on th uppr prt inst of th lowr prt. Wth your fingrs, thr r shrp gs on th lowr prt of th front plt. 3 Sli th front pnl of th unit ownwrs n rmov it. Dikin Althrm Low tmprtur split Instllr rfrn gui 29

30 7 Instlltion CAUTION Th front pnl is hvy. B rful NOT to jm your fingrs whn opning or losing th unit. 4 Loosn n rmov th 4 srws tht fix th top pnl. 5 Rmov th top pnl from th unit. Also r th prutions n rquirmnts in th following hptrs: Gnrl sfty prutions 4 Prprtion 4 5 Prutions whn mounting th outoor unit To provi th instlltion strutur Chk th strngth n lvl of th instlltion groun so tht th unit will not us ny oprting virtion or nois. 2 Fix th unit surly y mns of fountion olts in orn with th fountion rwing. Prpr 4 sts of nhor olts, nuts n wshrs (fil supply) s follows: 3 4 M To opn th swith ox ovr of th inoor unit 62 >150 ) ( (mm) Mk sur not to ovr th rin hols Th rommn hight of th uppr protruing prt of th olts is 20 mm. 7.3 Mounting th outoor unit Aout mounting th outoor unit Whn Fix th outoor unit to th fountion olts using nuts with rsin wshrs (). If th oting on th fstning r is stripp off, th nuts rust sily. You hv to mount th outoor n inoor unit for you n onnt th rfrigrnt n wtr piping. Typil workflow Mounting th outoor unit typilly onsists of th following stgs: Proviing th instlltion strutur. Instlling th outoor unit. Proviing ring. Prvnting th outoor unit from flling ovr. Protting th unit ginst snow n win y instlling snow ovr n ffl plts. S "Prpring instlltion sit" in "6 Prprtion" on pg 22. Instllr rfrn gui 30 Dikin Althrm Low tmprtur split

31 7 Instlltion To instll th outoor unit ERHQ_W1 Mol 45 Bottom viw (mm) (4 ) 4 M12 ERLQ (4 ) To provi ring Mk sur tht onnstion wtr n vut proprly. Instll th unit on s to mk sur tht thr is propr ring in orr to voi i umultion. Prpr wtr ring hnnl roun th fountion to rin wst wtr surrouning th unit. Avoi rin wtr flowing ovr th footpth, so tht it os not om slippry in s of mint frzing tmprturs. If you instll th unit on frm, instll wtrproof plt within 150 mm of th ottom si of th unit in orr to prvnt th invsion of wtr in th unit n to voi th rin wtr ripping (s th following illustrtion). Dishrg si Drin hols Knokout hol (piping intk - ownwrs rout) Anhor points To prvnt th outoor unit from flling ovr In s th unit is instll in pls whr strong win n tilt th unit, tk following msur: 1 Prpr 2 ls s init in th following illustrtion (fil supply). 2 Pl th 2 ls ovr th outoor unit. 3 Insrt rur sht twn th ls n th outoor unit to prvnt th l from srthing th pint (fil supply). 4 Atth th l s ns. Tightn thos ns. You n us th optionl rin plug kit (EKDK04) (only for ERHQ). If rin hols of th outoor unit r ovr y mounting s or y floor surf, ris th unit to provi fr sp of mor thn 150 mm unr th outoor unit. 7.4 Mounting th inoor unit Aout mounting th inoor unit 150 mm Drin hols Mol ERHQ_V3 Bottom viw (mm) (4 ) Whn You hv to mount th outoor n inoor unit for you n onnt th rfrigrnt n wtr piping. Typil workflow Mounting th inoor unit typilly onsists of th following stgs: 1 Instlling th inoor unit Prutions whn mounting th inoor unit Also r th prutions n rquirmnts in th following hptrs: Gnrl sfty prutions Prprtion Dikin Althrm Low tmprtur split Instllr rfrn gui 31

32 7 Instlltion Kping in min th guilins for: To instll th inoor unit Pip ning Lift th inoor unit from th pllt n pl it on th floor. Flring pip ns Brzing Using th stop vlvs 4 Prutions whn onnting th rfrigrnt piping kg Also r th prutions n rquirmnts in th following hptrs: Gnrl sfty prutions Prprtion DANGER: RISK OF BURNING CAUTION 2 Sli th inoor unit into position. 3 Ajust th hight of th lvling ft to ompnst for floor irrgulritis. Th mximum llow vition is 1. Do NOT us minrl oil on flr prt. Do NOT rus piping from prvious instlltions. NEVER instll rir to this R410A unit to gurnt its liftim. Th rying mtril my issolv n mg th systm. 1 Tk th following prutions on rfrigrnt piping into ount: Avoi nything ut th signt rfrigrnt to gt mix into th rfrigrnt yl (.g. ir). Only us R410A whn ing rfrigrnt. Do NOT tilt th unit kwrs: Only us instlltion tools (.g. mnifol gug st) tht r xlusivly us for R410A instlltions to withstn th prssur n to prvnt forign mtrils (.g. minrl oils n moistur) from mixing into th systm. Instll th piping so tht th flr is NOT sujt to mhnil strss Prott th piping s sri in th following tl to prvnt irt, liqui or ust from ntring th piping. Us ution whn pssing oppr tus through wlls (s figur low) Connting th rfrigrnt piping Aout onnting th rfrigrnt piping Bfor onnting th rfrigrnt piping 1 Unit Outoor unit Mk sur th outoor n inoor unit r mount. Typil workflow Inoor unit Instlltion prio Prottion mtho >1 month Pinh th pip <1 month Pinh or tp th pip Rgrlss of th prio Connting th rfrigrnt piping involvs: Connting th rfrigrnt piping to th outoor unit Connting th rfrigrnt piping to th inoor unit Do NOT opn th rfrigrnt stop vlv for hking th rfrigrnt piping. Whn you n to hrg itionl rfrigrnt it is rommn to opn th rfrigrnt stop vlv ftr hrging. Instlling oil trps Insulting th rfrigrnt piping Instllr rfrn gui 32 Dikin Althrm Low tmprtur split

33 7 Instlltion Guilins whn onnting th rfrigrnt piping Tk th following guilins into ount whn onnting pips: Cot th flr innr surf with thr oil or str oil whn onnting flr nut. Tightn 3 or 4 turns y hn, for tightning firmly. Flr tool for R410A (luth typ) Convntionl flr tool Cluth typ (Rigi-typ) Wing nut typ (Impril-typ) A 0~0.5 mm 1.0~1.5 mm 1.5~2.0 mm 5 Chk tht th flring is proprly m. Alwys us two wrnhs togthr whn loosning flr nut. Alwys us spnnr n torqu wrnh togthr to tightn th flr nut whn onnting th piping. This to prvnt nut rking n lks. Piping siz (mm) Torqu wrnh Spnnr Piping union Flr nut Tightning torqu (N m) Flr imnsions (A) (mm) Ø9.5 33~ ~13.2 Ø ~ ~ Pip ning guilins Flr shp (mm) 90 ±2 A 45 ±2 R=0.4~0.8 Us pip nr for ning. All pip ns shoul s gntl s possil (ning rius shoul 30~40 mm or lrgr) To flr th pip n CAUTION Inomplt flring my us rfrigrnt gs lkg. Do NOT r-us flrs. Us nw flrs to prvnt rfrigrnt gs lkg. Us flr nuts tht r inlu with th unit. Using iffrnt flr nuts my us rfrigrnt gs lkg. 1 Cut th pip n with pip uttr. 2 Rmov urrs with th ut surf fing ownwr so tht th hips o not ntr th pip. Cut xtly t right ngls. Rmov urrs. 3 Rmov th flr nut from th stop vlv n put th flr nut on th pip. 4 Flr th pip. St xtly t th position s shown in th following illustrtion. A Flr s innr surf must flwlss. Th pip n must vnly flr in prft irl. Mk sur th flr nut is fitt To rz th pip n Th inoor unit n outoor unit hv flr onntions. Connt oth ns without rzing. If rzing shoul n, tk th following into ount: Whn rzing, low through with nitrogn to prvnt rtion of lrg quntitis of oxiis film on th insi of th piping. This film vrsly ffts vlvs n omprssors in th rfrigrting systm n prvnts propr oprtion. St th nitrogn prssur to 20 kp (0.2 r)(just nough so it n flt on th skin) with prssur-ruing vlv. f f Rfrigrnt piping Prt to rz Tping Mnul vlv Prssur-ruing vlv Nitrogn Do NOT us nti-oxints whn rzing pip joints. Rsiu n log pips n rk quipmnt. Do NOT us flux whn rzing oppr-to-oppr rfrigrnt piping. Us phosphor oppr rzing fillr lloy (BCuP), whih os not rquir flux. Flux hs n xtrmly hrmful influn on rfrigrnt piping systms. For instn, if hlorin s flux is us, it will us pip orrosion or, in prtiulr, if th flux ontins fluorin, it will triort th rfrigrnt oil Using th stop vlv n srvi port To hnl th stop vlv Tk th following guilins into ount: Th stop vlvs r ftory los. Th following illustrtion shows h prt rquir in hnling th vlv. Srvi port n srvi port p Vlv stm Fil piping onntion Stm p Kp oth stop vlvs opn uring oprtion. f Dikin Althrm Low tmprtur split Instllr rfrn gui 33

34 7 Instlltion Do NOT pply xssiv for to th vlv stm. Doing so my rk th vlv oy. Alwys mk sur to sur th stop vlv with spnnr, thn loosn or tightn th flr nut with torqu wrnh. Do NOT pl th spnnr on th stm p, s this oul us rfrigrnt lk To onnt th rfrigrnt piping to th outoor unit 1 Do th following: Rmov th srvi ovr () with srw (). Rmov th piping intk plt () with srw (). Spnnr Torqu wrnh Whn it is xpt tht th oprting prssur will low (.g. whn ooling will prform whil th outsi ir tmprtur is low), suffiintly sl th flr nut in th stop vlv on th gs lin with silion slnt to prvnt frzing. 2 Choos piping rout (,, or ). Silion slnt, mk sur thr is no gp. To opn/los th stop vlv 1 Rmov th vlv ovr. 2 Insrt hxgon wrnh (liqui si: 4 mm, gs si: 6 mm) into th vlv stm n turn th vlv stm: 3 If you hv hosn th ownwrs piping rout: Drill (, 4 ) n rmov th knokout hol (). Cut out th slits () with mtl sw. 4 Ø6 mm Countrlokwis to opn. Clokwis to los. 3 Whn th vlv stm nnot turn ny furthr, stop turning. Th vlv is now opn/los. To hnl th stm p Th stm p is sl whr init with th rrow. Do NOT mg it. Aftr hnling th stop vlv, tightn th stm p, n hk for rfrigrnt lks. Itm Tightning torqu (N m) Stm p, liqui si 13.5~16.5 Stm p, gs si 22.5~ Do th following: Connt th liqui pip () to th liqui stop vlv. Connt th gs pip () to th gs stop vlv. 5 Do th following: Insult th liqui piping () n th gs piping (). Mk sur th piping n piping insultion o NOT touh th omprssor (), th omprssor trminl ovr (), n th omprssor olts (). If th liqui pip insultion might touh th omprssor trminl ovr, just th hight of th insultion (f=no insultion roun th omprssor trminl ovr ()). Sl th insultion ns (slnt t.) (g). To hnl th srvi p Alwys us hrg hos quipp with vlv prssor pin, sin th srvi port is Shrr typ vlv. Aftr hnling th srvi port, tightn th srvi port p, n hk for rfrigrnt lks. Itm Tightning torqu (N m) Srvi port p 11.5~13.9 Instllr rfrn gui 34 Dikin Althrm Low tmprtur split

35 7 Instlltion h h 1 g To onnt th rfrigrnt piping to th inoor unit Connt th liqui stop vlv from th outoor unit to th rfrigrnt liqui onntion of th inoor unit. f g 6 If th outoor unit is instll ov th inoor unit, ovr th stop vlvs (h, s ov) with sling mtril to prvnt onns wtr on th stop vlvs from moving to th inoor unit. 2 Rfrigrnt liqui onntion Rfrigrnt gs onntion Connt th gs stop vlv from th outoor unit to th rfrigrnt gs onntion of th inoor unit. Any xpos piping might us onnstion. It is rommn tht th rfrigrnt piping twn inoor n outoor unit is instll in uting or th rfrigrnt piping is wrpp with finishing tp. 7 Rtth th srvi ovr n th piping intk plt. 8 Sl ll gps (xmpl: ) to prvnt snow n smll nimls from ntring th systm To trmin if oil trps r rquir If oil flows k into th outoor unit's omprssor, this might us liqui omprssion or triortion of oil rturn. Oil trps in th rising gs piping n prvnt this. If Thn Th inoor unit is instll Instll n oil trp vry 10 m (hight iffrn). highr thn th outoor unit WARNING Provi qut msurs to prvnt tht th unit n us s shltr y smll nimls. Smll nimls tht mk ontt with ltril prts n us mlfuntions, smok or fir. Prutions whn mking knokout hols: Avoi mging th sing. Aftr mking th knokout hols, w rommn you rmov th urrs n pint th gs n rs roun th gs using rpir pint to prvnt rusting. Whn pssing ltril wiring through th knokout hols, wrp th wiring with prottiv tp to prvnt mg. 10 m Rising gs piping with oil trp Liqui piping Th outoor unit is instll highr thn th inoor unit Knokout hol Burr Slnt t. Mk sur to opn th stop vlvs ftr instlling th rfrigrnt piping n prforming vuum rying. Running th systm with th stop vlvs los my rk th omprssor. Dikin Althrm Low tmprtur split Oil trps r NOT rquir. 7.6 Chking th rfrigrnt piping Aout hking th rfrigrnt piping Th outoor unit's intrnl rfrigrnt piping hs n ftory tst for lks. You only hv to hk th outoor unit's xtrnl rfrigrnt piping. Bfor hking th rfrigrnt piping Mk sur th rfrigrnt piping is onnt twn th outoor unit n th inoor unit. Instllr rfrn gui 35

36 7 Instlltion Typil workflow Chking th rfrigrnt piping typilly onsists of th following stgs: 1 Chking for lks in th rfrigrnt piping. 2 Prforming vuum rying to rmov ll moistur, ir or nitrogn from th rfrigrnt piping. If thr is possiility of moistur ing prsnt in th rfrigrnt piping (for xmpl, wtr my hv ntr th piping), first rry out th vuum rying prour low until ll moistur hs n rmov Prutions whn hking th rfrigrnt piping Also r th prutions n rquirmnts in th following hptrs: Gnrl sfty prutions Prprtion Us 2-stg vuum pump with non-rturn vlv tht n vut to gug prssur of kp ( r)(5 Torr solut). Mk sur th pump oil os not flow oppositly into th systm whil th pump is not working. Us this vuum pump for R410A xlusivly. Using th sm pump for othr rfrigrnts my mg th pump n th unit. Connt th vuum pump to oth th srvi port of th gs stop vlv n th srvi port of th liqui stop vlv to inrs ffiiny. Mk sur tht th gs stop vlv n liqui stop vlv r firmly los for prforming th lk tst or vuum rying Chking rfrigrnt piping: Stup Mk sur to us rommn ul tst solution from your wholslr. Do not us sop wtr, whih my us rking of flr nuts (sop wtr my ontin slt, whih sors moistur tht will frz whn th piping gts ol), n/or l to orrosion of flr joints (sop wtr my ontin mmoni whih uss orrosiv fft twn th rss flr nut n th oppr flr). 1 Chrg th systm with nitrogn gs up to gug prssur of t lst 200 kp (2 r). It is rommn to prssuriz to 3000 kp (30 r) in orr to tt smll lks. 2 Chk for lks y pplying th ul tst solution to ll onntions. 3 Dishrg ll nitrogn gs. Aftr opning th stop vlv, it is possil tht th prssur in th rfrigrnt piping os NOT inrs. This might us y.g. th los stt of th xpnsion vlv in th outoor unit iruit, ut os NOT prsnt ny prolm for orrt oprtion of th unit To prform vuum rying 1 Vuum th systm until th prssur on th mnifol inits 0.1 MP ( 1 r). 2 Lv s is for 4-5 minuts n hk th prssur: If th prssur Dos not hng Inrss Thn Thr is no moistur in th systm. This prour is finish. Thr is moistur in th systm. Go to th nxt stp. 3 Evut for t lst 2 hours to prssur on th mnifol of 0.1 MP ( 1 r). 4 Aftr turning OFF th pump, hk th prssur for t lst 1 hour. 5 If you o NOT rh th trgt vuum or nnot mintin th vuum for 1 hour, o th following: Chk for lks gin. Prform vuum rying gin. f Mk sur to opn th stop vlvs ftr instlling th rfrigrnt piping n prforming vuum rying. Running th systm with th stop vlvs los my rk th omprssor. R410A 7.7 Chrging rfrigrnt f Prssur gug Nitrogn Rfrigrnt Wighing mhin Vuum pump Stop vlv To hk for lks Do NOT x th unit's mximum working prssur (s "PS High" on th unit nm plt) Aout hrging rfrigrnt Th outoor unit is ftory hrg with rfrigrnt, ut in som ss th following might nssry: Wht Chrging itionl rfrigrnt Compltly rhrging rfrigrnt Exmpl: Whn Whn th totl liqui piping lngth is mor thn spifi (s ltr). Whn rloting th systm. Aftr lk. Instllr rfrn gui 36 Dikin Althrm Low tmprtur split

37 7 Instlltion Chrging itionl rfrigrnt Bfor hrging itionl rfrigrnt, mk sur th outoor unit's xtrnl rfrigrnt piping is hk (lk tst, vuum rying). Dpning on th units n/or th instlltion onitions, it might nssry to onnt ltril wiring for you n hrg rfrigrnt. Typil workflow Chrging itionl rfrigrnt typilly onsists of th following stgs: 1 Dtrmining if n how muh you hv to hrg itionlly. 2 If nssry, hrging itionl rfrigrnt. 3 Filling in th fluorint grnhous gss ll, n fixing it to th insi of th outoor unit. Compltly rhrging rfrigrnt Bfor ompltly rhrging rfrigrnt, mk sur th following is on: 1 Th systm is pump own. 2 Th outoor unit's xtrnl rfrigrnt piping is hk (lk tst, vuum rying). 3 Vuum rying on th outoor unit's intrnl rfrigrnt piping is prform. Bfor ompltly rhrging, prform vuum rying on th outoor unit's intrnl rfrigrnt piping s wll. To o so, us th intrnl srvi port of th outoor unit (twn th ht xhngr n th 4 wy vlv). Do NOT us th srvi ports of th stop vlvs, us vuum rying nnot prform proprly from ths ports. Typil workflow Compltly rhrging rfrigrnt typilly onsists of th following stgs: 1 Dtrmining how muh rfrigrnt to hrg. 2 Chrging rfrigrnt. 3 Filling in th fluorint grnhous gss ll, n fixing it to th insi of th outoor unit Prutions whn hrging rfrigrnt Also r th prutions n rquirmnts in th following hptrs: Gnrl sfty prutions Prprtion To trmin th itionl rfrigrnt mount If th totl liqui piping lngth is 10 m Thn Do NOT itionl rfrigrnt. >10 m R=(totl lngth (m) of liqui piping 10 m) R=Aitionl hrg (kg)(roun in units of 0.1 kg) Piping lngth is th on wy lngth of liqui piping To trmin th omplt rhrg mount If omplt rhrg is nssry, th totl rfrigrnt hrg is: th ftory rfrigrnt hrg (s unit nm plt) + th trmin itionl mount To hrg rfrigrnt WARNING Only us R410A s rfrigrnt. Othr sustns my us xplosions n ints. R410A ontins fluorint grnhous gss. Its glol wrming potntil (GWP) vlu is Do NOT vnt ths gss into th tmosphr. Whn hrging rfrigrnt, lwys us prottiv glovs n sfty glsss. CAUTION To voi omprssor rkown, o NOT hrg mor thn th spifi mount of rfrigrnt. Prrquisit: Bfor hrging rfrigrnt, mk sur th rfrigrnt piping is onnt n hk (lk tst n vuum rying). 1 Connt th rfrigrnt ylinr to oth th srvi port of th gs stop vlv n th srvi port of th liqui stop vlv. 2 Chrg th itionl rfrigrnt mount. 3 Opn th stop vlvs. If pump own is n in s of ismntling or rloting th systm, s "13.3 To pump own" on pg 85 for mor tils To fix th fluorint grnhous gss ll f 1 Fill in th ll s follows: Contins fluorint grnhous gss 1 = RXXX GWP: XXX 2 = = kg GWP kg = tco 2 q f 1000 kg kg If multilingul fluorint grnhous gss ll is livr with th unit (s ssoris), pl off th pplil lngug n stik it on top of. Ftory rfrigrnt hrg: s unit nm plt Aitionl rfrigrnt mount hrg Totl rfrigrnt hrg Grnhous gs missions of th totl rfrigrnt hrg xprss s tonns CO 2 -quivlnt GWP = Glol wrming potntil In Europ, th grnhous gs missions of th totl rfrigrnt hrg in th systm (xprss s tonns CO 2 -quivlnt) is us to trmin th mintnn intrvls. Follow th pplil lgisltion. Formul to lult th grnhous gs missions: GWP vlu of th rfrigrnt Totl rfrigrnt hrg [in kg] / Fix th ll on th insi of th outoor unit nr th gs n liqui stop vlvs. Dikin Althrm Low tmprtur split Instllr rfrn gui 37

38 7 Instlltion 7.8 Connting th wtr piping Aout onnting th wtr piping 180 l A Bfor onnting th wtr piping Mk sur th outoor n inoor unit r mount. A Typil workflow Connting th wtr piping typilly onsists of th following stgs: 1 Connting th rirultion piping. 2 Connting th wtr piping to th inoor unit (inluing th instlltion of th omsti hot wtr tnk kit). 3 Connting th prssur rlif vlv of th omsti hot wtr tnk to th rin. 4 Filling th wtr iruit. 5 Filling th omsti hot wtr tnk. 6 Insulting th wtr piping. 260 l Prutions whn onnting th wtr piping Also r th prutions n rquirmnts in th following hptrs: Gnrl sfty prutions Prprtion To onnt th rirultion piping Prrquisit: Only rquir if you n rirultion in your systm. 1 Loosn n rmov th 4 srws tht fix th top pnl. 2 Rmov th top pnl from th unit. 4 3 In s of unit with tnk pity of 180 l, rmov th xpnsion vssl. 4 Rmov th top insultion. 5 Cut out prt () from th top insultion. Piping intk hol Rirultion onntion Cut-out lotion 7 Rtth th top insultion n th xpnsion vssl To onnt th wtr piping Do NOT us xssiv for whn onnting th piping. Dformtion of th piping n us mlfuntioning of th unit. Th wtr piping ns to omply with stion G3 of th Builing Rgultions. To filitt omplin, omsti hot wtr tnk kits EKVSU180A n EKVSU260A r vill. Th instrutions low inlu th instlltion of ths tnk kits. If thy r NOT us, t ll tims mk sur tht th wtr piping omplis with th pplil lgisltion. If you hv to inspt th insi of th omsti hot wtr tnk, you n ss it vi th oostr htr oss. Th onntion of th wtr piping involvs: Dirtly to th inoor unit: onnting th wtr piping to th sp hting inlt, th sp hting outlt, n th omsti hot wtr outlt. Vi th omsti hot wtr tnk kit: onnting th wtr piping to th unit s omsti ol wtr inlt, n onnting th kit itslf to th rin. Tnk pity Cut out position 180 l Lft OR right 260 l Bksi 6 Connt th rirultion piping to th rirultion onntion () n rout th piping through th hol t th ksi of th unit (). Instllr rfrn gui 38 Dikin Althrm Low tmprtur split

39 7 Instlltion Dirtly to th inoor unit 4 EKVSU260A only: to filitt mintnn n srvi, th sp hting n omsti hot wtr outlts ( n ), s wll s th sp hting inlt (), n xtn y wy of th xtnsion pis tht r livr with th omsti hot wtr tnk kit. Mk sur to us th slings for th xtnsion pis (livr s ssory). To filitt srvi n mintnn, 2 shut-off vlvs r provi. Mount ths vlvs on th sp hting wtr inlt n sp hting wtr outlt. Min thir position. Th orinttion of th intgrt rin n fill vlvs is importnt for srviing l Instll th shut-off vlvs on th sp hting wtr pips. Mount th omsti hot wtr tnk kit. 260 l Sp hting wtr out Sp hting wtr in Domsti hot wtr out 6 Rout th flxil hoss of th omsti hot wtr tnk kit oring to th illustrtion low. It is rommn to instll shut-off vlvs to omsti ol wtr in n omsti hot wtr out onntions. Ths shut-off vlvs r fil suppli. 180 l 260 l To voi mg to th surrounings in s of wtr lkg, it is rommn to los th ol wtr inlt shut off vlvs uring prios of sn. 2 Srw th inoor unit nuts on th shut-off vlvs. 3 Connt th omsti hot wtr out pip to th inoor unit. 7 Vi th omsti hot wtr tnk kit 4 Connt on flxil hos () of th omsti hot wtr tnk kit to th omsti ol wtr inlt of th inoor unit. Connt th othr flxil hos () to th ol wtr supply. Mount th inoor unit hight xtnsion tht is prt of th kit (EKVSU260A only). 8 Dikin Althrm Low tmprtur split To inoor unit omsti ol wtr inlt To ol wtr supply Slings for th flxil hoss of th omsti hot wtr tnk kit ( mm)(livr s ssory) Connt th ishrg pip to th tnk kit s prssur rlif vlv, thn onnt th tunish to th ishrg pip (oth ishrg pip n tunish r livr with th tnk kit). Instllr rfrn gui 39

40 7 Instlltion WARNING 180 l 260 l Instll th tunish wy from ny ltril vi. Possil onsqun: Eltri shok or fir. To nsur fr wtr flow through th ishrg pip, mnully oprt th prssur rlif vlv y turning its kno lft. 9 Connt th 2 tunishs (1 from th prssur rlif vlv of th omsti hot wtr tnk, n 1 from th prssur rlif vlv of th omsti hot wtr tnk kit) to n pproprit rin oring to th pplil lgisltion. Th following xmpl shows ishrg low fix grting (Builing Rgultion G3 stion 3.61 givs ltrntiv points of ishrg): To onnt th prssur rlif vlv to th rin Hting of th omsti hot wtr tnk uss wtr to xpn. As rsult, th wtr prssur insi th tnk n ris ov th tnk sign prssur. Also th fil instlltion (piping, tpping points, t.) onnt to th tnk n thn om sujt to this high prssur. To prvnt ovrprssur, prssur rliv vlv is ftoryinstll on top of th omsti hot wtr tnk. Th prvntion pns on th orrt oprtion of th prssur rlif vlv. If it os NOT funtion orrtly, ovrprssur will form th tnk n wtr lkg my our. To onfirm orrt oprtion, rgulr mintnn is rquir. Th low out of th prssur rlif vlv is oming out of th ksi of th unit. D1 600 mm 300 mm D2 Prssur rlif low-out Th low out shoul onnt to n pproprit rin oring to th pplil lgisltion. It is rommn to us tunish To fill th wtr iruit 1 Connt th wtr supply hos to th fill vlv. D1 D2 Instllr rfrn gui 40 Sfty vi (prssur rlif vlv of omsti hot wtr tnk; prssur rlif vlv of omsti hot wtr tnk kit) Tunish Fix grting Trpp gully Mtl ishrg pip from sfty vi to tunish Dishrg pip from tunish, with ontinuous fll. S Builing Rgultion G3 stion 3.56, Tl 03 n work xmpl. Instll ir purg vlvs t ll lol high points. A rin vi n prssur rlif vi shoul instll on th ol wtr inlt onntion of th omsti hot wtr ylinr. To voi k siphong, it is rommn to instll non-rturn vlv on th wtr inlt of th omsti hot wtr tnk in orn with th pplil lgisltion. It is rommn to instll prssur ruing vlv on th ol wtr inlt in orn with th pplil lgisltion. An xpnsion vssl shoul instll on th ol wtr inlt in orn with th pplil lgisltion. 2 Opn th fill vlv. 3 Mk sur tht th utomti ir purg vlv is opn (t lst 2 turns). 4 Fill th iruit with wtr until th mnomtr inits prssur of ±2.0 r. 5 Purg s muh ir s possil from th wtr iruit. 6 Clos th fill vlv. 7 Disonnt th wtr supply hos from th fill vlv. Th wtr prssur init on th mnomtr will vry pning on th wtr tmprtur (highr prssur t highr wtr tmprtur). Howvr, t ll tims wtr prssur shll rmin ov 1 r to voi ir ntring th iruit. Dikin Althrm Low tmprtur split

41 7 Instlltion To fill th omsti hot wtr tnk 1 Opn vry hot wtr tp in turn to purg ir from th systm pip work. 2 Opn th ol wtr supply vlv. 3 Clos ll wtr tps ftr ll ir is purg. 4 Chk for wtr lks. 5 Mnully oprt th prssur rlif vlv of th omsti hot wtr tnk to nsur fr wtr flow through th ishrg pip. To oprt th systm, th omsti hot wtr tnk ns to fill ompltly. Turning on th systm whn th tnk is not full n mg th intgrt oostr htr n us ltril rrors To insult th wtr piping Th piping in th omplt wtr iruit MUST insult to prvnt onnstion n rution of th hting pity. If th tmprtur is highr thn 30 C n th humiity is highr thn RH 80%, th thiknss of th insultion mtrils shoul t lst 20 mm to prvnt onnstion on th surf of th insultion. 7.9 Connting th ltril wiring Aout onnting th ltril wiring Bfor onnting th ltril wiring Mk sur: Th rfrigrnt piping is onnt n hk Th wtr piping is onnt Typil workflow Connting th ltril wiring typilly onsists of th following stgs: 1 Mking sur th powr supply systm omplis with th ltril spifitions of th ht pump. 2 Connting th ltril wiring to th outoor unit. 3 Rpositioning th ir thrmistor on th outoor unit. 4 Connting th ltril wiring to th inoor unit. 5 Connting th min powr supply. 6 Connting th kup htr powr supply. 7 Connting th usr intrf. 8 Connting th shut off vlvs. 9 Connting th ltril mtrs. 10 Connting th omsti hot wtr pump. 11 Connting th lrm output. 12 Connting th sp hting ON/OFF output. 13 Connting th hngovr to n xtrnl ht sour. 14 Connting th powr onsumption igitl inputs. 15 Connting th sfty thrmostt. 16 Connting th oostr htr powr supply Aout ltril omplin ERHQ_V3 Equipmnt omplying with EN/IEC (Europn/ Intrntionl Thnil Stnr stting th limits for hrmoni urrnts prou y quipmnt onnt to puli low-voltg systms with input urrnt >16 A n 75 A pr phs.). ERLQ_V3 Equipmnt omplying with: EN/IEC provi tht th systm impn Z sys is lss thn or qul to Z mx t th intrf point twn th usr's supply n th puli systm. EN/IEC = Europn/Intrntionl Thnil Stnr stting th limits for voltg hngs, voltg flututions n flikr in puli low-voltg supply systms for quipmnt with rt urrnt 75 A. It is th rsponsiility of th instllr or usr of th quipmnt to nsur, y onsulttion with th istriution ntwork oprtor if nssry, tht th quipmnt is onnt only to supply with systm impn Z sys lss thn or qul to Z mx. EN/IEC provi tht th short-iruit powr S s is grtr thn or qul to th minimum S s vlu t th intrf point twn th usr's supply n th puli systm. EN/IEC = Europn/Intrntionl Thnil Stnr stting th limits for hrmoni urrnts prou y quipmnt onnt to puli low-voltg systms with input urrnt >16 A n 75 A pr phs. It is th rsponsiility of th instllr or usr of th quipmnt to nsur, y onsulttion with th istriution ntwork oprtor if nssry, tht th quipmnt is onnt only to supply with short-iruit powr S s grtr thn or qul to th minimum S s vlu. ERLQ011CAV3 ERLQ014CAV3 ERLQ016CAV3 ERLQ_W1 Mol Z mx Minimum S s vlu 0.22 Ω 525 kva Equipmnt omplying with EN/IEC (Europn/ Intrntionl Thnil Stnr stting th limits for hrmoni urrnts prou y quipmnt onnt to puli low-voltg systms with input urrnt >16 A n 75 A pr phs.). Only for inoor units S " To onnt th kup htr powr supply" on pg Prutions whn onnting th ltril wiring Also r th prutions n rquirmnts in th following hptrs: Gnrl sfty prutions Prprtion DANGER: RISK OF ELECTROCUTION WARNING ALWAYS us multior l for powr supply ls Guilins whn onnting th ltril wiring Kp th following in min: If strn onutor wirs r ing us, instll roun rimpstyl trminl on th tip. Pl th roun rimp-styl trminl on th wir up to th ovr prt n fstn th trminl with th pproprit tool. Dikin Althrm Low tmprtur split Instllr rfrn gui 41

42 7 Instlltion 1 Rmov th srvi ovr. S "7.2.2 To opn th outoor unit" on pg Strip insultion (20 mm) from th wirs. Strn onutor wir Roun rimp-styl trminl Us th following mthos for instlling wirs: Wir typ Instlltion mtho Singl or wir A AA A 3 Strip wir n to this point Exssiv strip lngth my us ltril shok or lkg. Connt th intronntion l n powr supply s follows: W1 3N~ 50 Hz 400 V V3 1~ 50 Hz 230 V L1 L2 L3 Curl singl or wir Srw Flt wshr Strn onutor wir with roun rimp-styl trminl L1 L2 L3 B B Trminl Srw Flt wshr Intronntion l Powr supply l Erth lkg iruit rkr Fus Tightning torqus Itm Tightning torqu (N m) M4 (X1M) 1.2~1.8 M5 (X1M) 2.0~3.0 M5 (rth) 3.0~ Spifitions of stnr wiring omponnts Componnt MCA() Powr supply l W1 ERLQ ERHQ ERLQ 31.9 A 34.2 A 13.5 A 16.3 A 230 V 400 V Phs 1~ 3N~ Frquny 50 Hz Wir sizs Must omply with pplil lgisltion Rommn fil fus Erth lkg iruit rkr () V3 ERHQ Voltg Intronntion l W1 g h f 32 A 40 A 20 A Must omply with pplil lgisltion h f MCA=Minimum iruit mpity. Stt vlus r mximum vlus (s ltril t of omintion with inoor units for xt vlus). To onnt th ltril wiring on th outoor unit Follow th wiring igrm (livr with th unit, lot t th insi of th srvi ovr). Mk sur th ltril wiring os NOT ostrut propr rtthmnt of th srvi ovr. Instllr rfrn gui Minimum l stion of 2.5 mm² n pplil for 230 V 42 V3 g f Swith ox Stop vlv tthmnt plt Erth Cl ti Intronntion l Powr supply l Only if ottom plt htr is instll (option for ERHQ): g h Bottom plt htr l Powr supply l of th ottom plt htr (from th inoor unit) Dikin Althrm Low tmprtur split

43 7 Instlltion ERLQ units ontrol th ottom plt htr intrnlly (fil wiring NOT rquir). 4 Fix th ls (powr supply, intronntion l n powr supply of th ottom plt htr (if pplil)) with l ti to th stop vlv tthmnt plt. 5 Rout th wiring through th frm n onnt it to it. Routing through th frm Choos on of th 3 possiilitis: Powr supply, rth wiring, n ottom plt htr wir (if pplil) 7 Intronntion l Connting to th frm 6 Whn you o not us wir onuit, prott th wirs with vinyl tus to prvnt th g of th knokout hol from utting th wirs A B 8 7 Whn ls r rout from th unit, prottion slv for th onuits (PG insrtions) n insrt t th knokout hol. A Insi of th outoor unit B Outsi of th outoor unit Wir Bush Nut 11 Frm Hos 6 Rtth th srvi ovr. S " To los th outoor unit" on pg Connt n rth lkg iruit rkr n fus to th powr supply lin To rposition th ir thrmistor on th outoor unit This tsk is only rquir for ERLQ To onnt th ltril wiring on th inoor unit 1 To opn th inoor unit, s "7.2.3 To opn th inoor unit" on pg 29 n "7.2.4 To opn th swith ox ovr of th inoor unit" on pg Wiring shoul ntr th unit from th top: Rquir ssoris: + Thrmistor fixtur. Us th on from th ssory g. Thrmistor fixing plt. Rus th on tth to th unit. If nssry, you n us th spr on from th ssory g. 3 Dikin Althrm Low tmprtur split Routing of th wiring insi th unit shoul s follows: Instllr rfrn gui 43