2/S12 DIFFUSER FOR HORIZONTAL OR VERTICAL DISCHARGE DHV. v 3.3 (en)

Transcription

1 2/S12 v (en) DIFFUSER FOR HORIZONTAL OR VERTICAL DISCHARGE DHV 6 7 wwwklimaopremahr wwwklimaopremahr

2 TABLE OF CONTENTS Horizontalvertical diffuser 9 Ordering key 1 Selection diagrams 1 DHV Ceiling diffuser for room heights from 4 to m Made out of steel sheet, standard RAL 90 Adjustable discharge direction Options RAL Plenum box Motor drive Ød H C H ØD Air discharge types Isothermal vertical jet Warm vertical jet Cold horizontal jet Definition of symbols: V [m /h] y [m] x [m] A,B [m] C,X [m] L [m] v L h [m] v h Airflow rate Vertical jet component Horizontal jet component Distance between diffusers Distance between diffuser and wall Throw distance (x+h) Average air velocity at distance h from diffuser Distance between ceiling and occupied zone Average air velocity between two diffusers at distance h (m) from diffuser [ C] t L [ C] t P [ C] [K] t L [K] [db(a)] Supply air temperature Temperature at distance L Room temperature (t Z t P ) (t L t P ) Total pressure drop Sound power level DHV ød Dimensions Characteristics Cooling Heating ød H H C h [m] V min [m /h] V max [m /h] ,045 0,0268 0,0126 0, ,0978 0,018 0,0781 0, ,061 0,0489 0, , , ,06 0, , Ah S Ah EF Av S Av EF 8 9

3 Ordering key: Horizontalvertical diffuser DHV 0 M2 Nominal dimension R manual drive M2 motor drive 2V M24 motor drive 24V OZ two positions K continuous A supply air B exhaust air H horizontal connection Connection diameter Z insulation *Screws are not delivered **Ordering key for Plenum box on page 184 ***Only plenum box UPK2 OZ A H ød Z Diagram 2: Pressure drop and sound level diagram for DHV db ( A ) Closed zatvorena Open otvorena Diagram : Pressure drop and sound level diagram for DHV 0 2 db ( A ) 5 45 zatvorena Closed Open otvorena Diagram 4: Pressure drop and sound level diagram for DHV 0 Diagram 5: Pressure drop and sound level diagram for DHV 0 SELECTION DIAGRAMS Diagram 1: Pressure drop and sound level diagram for DHV Connection to duct [ ] p Pa DHV 0 DHV 0 DHV 0 DHV 0 5 L W A 45 db ( A ) DHV db ( A ) 1 0 Serranda Damper aperta Zaklopka zatvorena Closed otvorena Open db ( A ) 1 0 Closed zatvorena Open otvorena V [ ]

4 Diagram 5: Pressure drop and sound level diagram for DHV Dijagram Diagram : Vertical Domet vertikalnog warm jet throw toplog diagram mlaza for za distributer DHV 0 DHV Diagram 7: Vertical warm jet throw diagram for DHV 0 Vertikalni Vertical domet jet mlaza throw 9,0 7,0, z t = 5 0 Diagram 9: Maximum jet velocity diagram for DHV db ( A ) v L 55 0, 0, 0, zatvorena Closed Open otvorena Diagram 8: Vertical isothermal jet throw diagram for DHV 0 h=2m 0 m 0 V [m /h] 0 4m 0 5m h [m] 6m 8m m 12m m 0 9,0 7,0, Dijagram Diagram 11: Vertical Domet vertikalnog isothermal jet izotermnog throw diagram mlaza for za distributer DHV 0 DHV 0 0, 0, 0, 2 0 h= 2 m 0 0 m 0 Dijagram Diagram 12: Maximum Maksimalna jet brzina velocity mlaza diagram za distributer for DHV 0 DHV 0 = 5 Vertikalni Vertical domet jet mlaza throw h m 4 m 5 m 6 m m 1 0 m 12 m m 0,7 0, 0, 0, V 0,9 0,7 0, 0, V m / h Ukupni Total domet jet mlaza throw L = ( x + h ) [m] L = ( x + h ) [m]

5 Diagram 1: Vertical warm jet throw diagram for DHV 0 Diagram 16: Vertical warm jet throw diagram for DHV 0, V () Diagram 14: Vertical isothermal jet throw diagram for DHV = 5 2 0,0 0 0 V () Diagram 17: Vertical isothermal jet throw diagram for DHV = 5 000, V () Diagram : Maximum jet velocity diagram for DHV 0 = , 0, 0, 0 0 V () Diagram 18: Maximum jet velocity diagram for DHV 0 Vertical jet throw h (m) h = 4 m 5 m m 7 m m 000 m 12 m m Lmax 0, V , V 000 0, L = ( x + h ) [m] 0, L = ( x + h ) [m]

6 Diagram 19: Vertical warm jet throw diagram for DHV Example: C z t =5 C C C C C Given: Type DHV 0 V = 0 m /h ΔT = + C Damper open % Solution: Installation on duct Diagram 1: = db(a) p = 78 Pa Installation with plenum Diagram 4: = 46dB(A) p = 5 Pa Diagram 1: h = 6 m,0 1 0 V [] Diagram : Vertical isothermal jet throw diagram for DHV h =4 m 5 m 6 m h m 8 m m 12 m m m v [ m / s ] L ma x 0, 0, 0, V 1 0 [] Diagram 21: Maximum jet velocity diagram for DHV v [ m / s ] L ma x 0,9 0,7 0, V 0, L = ( x + y ) [m]