Bryant 524J Series Installation, Start-Up And Service Instructions Manual page 31

Table 23 — 524J High-Capacity Fan Performance Data — 0.0-2.4 in. wg External Static Pressure — English
AIRFLOW
UNIT a
(cfm)
b
rpm
6,000 542
7,000 620
524J*25A
524J*25H
c
8,000 700
9,000 781
10,000 862
7,500 476
8,750 545
524J*28A
10,000 615
11,250 685
12,500 756
9,000 539
10,500 620
524J*30A 12,000 701
13,500 783
15,000 865
AIRFLOW
UNIT a
(cfm)
b
6,000
7,000
524J*25
524J*25H
c
8,000
9,000
10,000
7,500
8,750
524J*28A
10,000
11,250
12,500
9,000
10,500
524J*30A 12,000
13,500
15,000
NOTE(S):
a. Refer to fan motor and drive tables for additional data.
b. Fan performance is based on deductions for wet coil, clean 2 in. filters, and unit casing. See table below for factory-supplied filter pressure drop.
c. Maximum allowable fan speed for size 25 units is 1200 rpm. Maximum allowable fan speed for size 28 and 30 units is 1100 rpm.
LEGEND
bhp — Brake Horsepower Input to Fan
ESP — External Static Pressure
FACTORY-SUPPLIED PRESSURE DROP — ENGLISH
UNIT AIRFLOW (Cfm)
524J*25A
524J*25H
524J*28A
524J*30A
0.0 0.2
bhp rpm bhp
1.29 577 1042
1.99 652 2.15
2.92 728 3.10
4.10 806 4.30
5.56 885 5.79
1.39 510 1.58
2.14 574 2.35
3.12 641 3.36
4.37 709 4.64
5.92 778 6.22
2.18 569 2.39
3.37 646 3.62
4.94 724 5.22
6.95 804 7.27
9.45 884 9.81
1.4
rpm bhp rpm
961 3.86 1011
1000 4.79 1050
1041 5.88 1090
1086 7.21 1133
1138 8.83 1180
874 5.33 897
886 5.36 930
930 6.60 969
976 8.25 1014
1023 10.20 1061
881 5.37 923
930 6.97 970
981 9.02 1021
1035 11.45 1072
1093 14.35 —
PRESSURE DROP
(in. wg)
6,000 0.12
8,000 0.19
10,000 0.26
7,500 0.15
10,000 0.22
12,500 0.30
9,000 0.19
12,000 0.29
15,000 0.40
EXTERNAL STATIC PRESSURE (in. wg)
0.4 0.6
rpm bhp rpm bhp
646 1.72 716 2.09
711 2.48 771 2.85
781 3.46 833 3.85
854 4.71 900 5.13
929 6.24 971 6.70
579 1.99 644 2.40
633 2.81 691 3.29
692 3.87 743 4.41
754 5.20 800 5.79
819 6.83 860 7.47
626 2.85 683 3.34
695 4.13 744 4.68
769 5.80 811 6.40
844 7.91 883 8.57
921 10.52 956 11.24
EXTERNAL STATIC PRESSURE (in. wg)
1.6 1.8
bhp rpm bhp
4.31 1058 4.77
5.32 1097 5.85
6.47 1137 7.07
7.82 1178 8.47
9.46 — —
5.91 940 6.80
6.13 982 7.32
7.20 1007 7.89
8.86 1051 9.49
10.88 1097 11.56
6.03 967 6.89
7.55 1008 8.17
9.67 1058 10.32
12.20 — —
— — —
31
0.8 1.0
rpm bhp rpm
785 2.51 849
831 3.28 890
885 4.29 938
946 5.58 993
1012 7.18 1054
701 2.81 752
747 3.77 797
794 4.96 843
845 6.40 891
901 8.14 942
739 3.83 791
793 5.25 842
854 7.04 897
920 9.26 958
991 11.98 1025
2.0 2.2
rpm bhp rpm bhp
1104 5.24 1147 5.71
1142 6.38 1184 6.91
1181 7.67 — —
— — — —
— — — —
990 7.50 — —
1020 8.10 — —
1045 8.71 — —
1086 10.17 — —
— — — —
1020 8.25 — —
1045 8.86 — —
1094 10.97 — —
— — — —
— — — —
1.2
bhp rpm bhp
2.95 907 3.40
3.76 947 4.27
4.78 990 5.32
6.08 1039 6.62
7.69 1096 8.24
3.29 804 3.96
4.25 842 4.76
5.51 888 6.05
7.02 935 7.64
8.83 983 9.52
4.32 837 4.82
5.83 888 6.41
7.69 940 8.36
9.97 996 10.71
12.75 1059 13.54
2.4
rpm bhp
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