Johnson Controls
5513350-JTG-1018
62
Airflow Performance
Component Static Pressure Drop
Table 26:
Component Static Pressure Drops (iwg)
Component
SCFM
4,000
6,000
8,000 10,000 12,000 14,000 16,000 18,000 20,000
25 T
on
Wet Evaporator Coil - Std. Efficiency,
Std. Capacity
0.10
0.18
0.28
0.41
0.55
-
-
-
-
Wet Evaporator Coil - Std. Efficiency, High
Capacity and High Efficiency, Std. Capacity
0.10
0.20
0.32
0.46
0.62
-
-
-
-
30 T
on
Wet Evaporator Coil - Std. Efficiency,
Std. Capacity
0.11
0.22
0.36
0.51
0.69
-
-
-
-
Wet Evaporator Coil - Std. Efficiency, High
Capacity and High Efficiency, Std. Capacity
0.12
0.24
0.38
0.55
0.75
-
-
-
-
40 T
on
Wet Evaporator Coil - Std. Efficiency,
Std. Capacity
-
-
0.21
0.30
0.40
0.51
0.64
0.77
0.91
Wet Evaporator Coil - Std. Efficiency, High
Capacity and High Efficiency, Std. Capacity
-
-
0.21
0.30
0.40
0.51
0.64
0.77
0.91
50 T
on
Wet Evaporator Coil - Std. Efficiency,
Std. Capacity
-
-
0.21
0.30
0.40
0.51
0.64
0.77
0.91
Wet Evaporator Coil - Std. Efficiency, High
Capacity and High Efficiency, Std. Capacity
-
-
0.25
0.35
0.47
0.61
0.76
0.92
1.09
25–30 Ton Hot Gas Reheat (HGRH) Coil
0.08
0.13
0.27
0.39
0.53
-
-
-
-
40–50 Ton HGRH Coil
-
-
0.18
0.25
0.33
0.43
0.53
0.64
0.76
Return Air Opening
25–30T
Bottom, Top, Front, Sides
0.01
0.02
0.03
0.05
0.07
-
-
-
-
Bottom with Energy Recovery Wheel (ERW)
0.01
0.01
0.03
0.04
0.06
-
-
-
-
Damper
0.01
0.02
0.03
0.05
0.07
-
-
-
-
40–50T
Bottom, Top, Front, Sides
-
-
0.01
0.02
0.03
0.04
0.05
0.06
0.08
Bottom with ERW
0.01
0.01
0.01
0.02
0.03
0.04
0.05
0.06
0.08
Damper
-
-
0.01
0.02
0.03
0.04
0.05
0.06
0.08
Exhaust Air Opening
25–30 Ton Hood and Damper
0.28
0.33
0.37
0.40
0.42
-
-
-
-
40–50 Ton Hood and Damper
-
-
0.19
0.22
0.25
0.28
0.30
0.32
0.34
Supply Air Opening
25–30T
Bottom
0.01
0.02
0.04
0.06
0.09
-
-
-
-
Side
0.01
0.02
0.04
0.06
0.09
-
-
-
-
All Discharges in Blank Section
0.01
0.01
0.02
0.03
0.05
-
-
-
-
40–50T
Bottom
-
-
0.02
0.03
0.05
0.06
0.08
0.10
0.13
Side
-
-
0.02
0.03
0.05
0.06
0.08
0.10
0.13
All Discharges in Blank Section
-
-
0.01
0.02
0.03
0.04
0.05
0.06
0.08