Bryant 524J User Manual
Page 32
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Legend and Notes for Tables 10A and 10C
LEGEND
Bhp --- Brake Horsepower Input to Fan
ESP --- External Static Pressure
NOTES:
1. Maximum allowable fan speed for size 25 units is 1200 rpm . Maximum
allowable fan speed for size 28 and 30 units is 1100 rpm.
2. Fan performance is based on deductions for wet coil, clean 2-in. filters,
and unit casing. See table at right for factory-supplied filter pressure drop.
3. Refer to fan motor and drive tables for additional data.
FACTORY-SUPPLIED PRESSURE DROP — ENGLISH
UNIT
AIRFLOW
(Cfm)
PRESSURE DROP
(in. wg)
524J*25A
524J*25H
6,000
0.12
8,000
0.19
10,000
0.26
524J*28A
7,500
0.15
10,000
0.22
12,500
0.30
524J*30A
9,000
0.19
12,000
0.29
15,000
0.40
Legend and Notes for Tables 10B and 10D
LEGEND
ESP --- External Static Pressure
NOTES:
1. Maximum allowable fan speed for size 25 units is 20 r/s. Maximum
allowable fan speed for size 28 and 30 units is 18.3 r/s.
2. Fan performance is based on deductions for wet coil, clean 51---mm
filters, and unit casing. See table at right for factory-supplied filter
pressure drop.
3. Refer to fan motor and drive tables for additional data.
FACTORY-SUPPLIED PRESSURE DROP — SI
UNIT
AIRFLOW
(L/s)
PRESSURE DROP
(Pa)
524J*25A
524J*25H
2900
32
3800
47
4700
64
524J*28A
3500
36
4700
55
5900
76
524J*30A
4250
47
5650
71
7050
98
524J