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Legend and Notes for Table 10A and 10B
LEGEND
Bhp — Brake Horsepower Input to Fan
ESP — External Static Pressure
NOTES:
1. Maximum allowable fan speed is 1100 rpm for unit sizes 028 and
034; 1200 rpm for all other sizes.
2. Fan performance is based on deductions for wet coil, clean 2-in.
filters, and unit casing. See right for factory-supplied filter pres-
sure drop.
3. Refer to fan motor and drive tables for additional data.
Factory-Supplied Filter Pressure Drop — English
UNIT
AIRFLOW
(Cfm)
PRESSURE DROP
(in. wg)
40RM
007
1,800
2,400
3,000
0.05
0.08
0.11
40RM
40RMQ
40RMS
008
2,250
3,000
3,750
0.07
0.11
0.15
40RMS
010
2,550
3,400
4,250
0.09
0.13
0.18
40RM
40RMQ
40RMS
012
3,000
4,000
5,000
0.11
0.17
0.23
40RM
40RMS
014
3,750
5,000
6,250
0.06
0.10
0.13
40RM
40RMQ
40RMS
016
4,500
6,000
7,500
0.08
0.12
0.17
40RM
40RMS
024
6,000
8,000
10,000
0.12
0.19
0.26
40RM
40RMS
028
7,500
10,000
12,500
0.15
0.22
0.30
40RM
40RMS
034
9,000
12,000
15,000
0.19
0.29
0.40
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