11
AIRFLOW PERFORMANCE TABLES (cont.)
Table 2 – Air Delivery Performance Correction Component Pressure Drop (in. wc) at Indicated Airflow (Dry to Wet Coil)
SIZE
CFM
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
019
0.034
0.049 0.063
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
025
0.016
0.027 0.038
0.049 0.059
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
031
--- ---
--- ---
--- ---
0.049 0.059 0.070
0.080
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
037
--- ---
--- ---
--- ---
--- ---
--- ---
0.055
0.064 0.073
0.081
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
043
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
0.049
0.056 0.063
0.070
--- ---
--- ---
--- ---
--- ---
--- ---
049
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
0.038
0.043 0.049 0.054
0.059
--- ---
--- ---
061
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
0.027 0.031
0.035 0.039
0.043
Table 3 – Electric Heater Static Pressure Drop (in. wc)
019 --- 037
043 --- 061
HEATER
ELEMENTS
kW
EXTERNAL STATIC
PRESSURE
CORRECTION
HEATER
ELEMENTS
kW
EXTERNAL STATIC
PRESSURE
CORRECTION
0
0
+.02
0
0
+.04
1
3, 5
+.01
2
8, 10
+.02
2
8, 10
0
3
9, 15
0
3
9, 15
–.02
4
20
–.02
4
20
–.04
6
18, 24, 30
–.10
PF4M
NB