Orion System Zoning - Manual (Page 20)

20 Orion Systems
Zoning Design Guide
Zoning Design Procedures
Bypass Dampers
Zone Dampers
1/2" Foil Faced
Insulation
Actuator
Round Damper
Blade Assembly
Control Enclosure
(Cover Removed)
AIR FLO W AIR FLO W
Bypass & Slave Interface
1/2" Foil Faced
Insulation
Actuator
Zone Controller
Round Damper
Blade Assembly
Control Enclosure
(Cover Removed)
AIR FLO W AIR FLO W
1/2 " Fo il Face d
Insu lation
A ctuator
R oun d D am per
B lade Asse m bly
C ontrol E nclosu re
(C o ver R e m oved )
Slave Dampers
Table 1-1: Round Damper Selection Data
Damper Round Duct Size
(Area Ft 2 )
6”
(0.188)
8”
(0.338)
10”
(0.532)
12”
(0.769)
14”
(1.050)
16”
(1.375)
CFM @ 1” Velocity Pressure
Air Flow Probe “K” Factor- For Pressure
Independent Applications Only
474 950 1417 2120 2908 3700
Velocity Through Zone Damper
FPM
Airflow Through Zone Damper - CFM
(
∆P
S
inches W.C. With Air Damper Full Open)
750
141
(0.03)
254
(0.02)
399
(0.01)
577
(0.02)
788
(0.01)
1031
(0.01)
1000
188
(0.05)
338
(0.03)
532
(0.02)
769
(0.03)
1050
(0.02)
1375
(0.01)
1250
235
(0.07)
423
(0.04)
665
(0.03)
961
(0.04)
1313
(0.03)
1718
(0.02)
1500
282
(0.09)
507
(0.06)
798
(0.04)
1154
(0.05)
1575
0.04)
2062
(0.03)
1750
329
(0.12)
592
(0.08)
931
(0.06)
1346
(0.06)
1838
(0.05)
2405
(0.04)
2000
376
(0.15)
676
(0.10)
1064
(0.07)
1538
(0.07)
2100
(0.07)
2749
(0.05)
2250
423
(0.18)
761
(0.13)
1197
(0.09)
1730
(0.09)
2363
(0.08)
3094
(0.06)
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