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PERFORMANCE DATA (cont)
FAN PERFORMANCE DATA — 524A-C
WITH HIGH CAPACITY COIL — 1.4-2.4 in. wg ESP
LEGEND
Bold
indicates field-supplied drive is required.
Plain type indicates standard motor and standard drive.
Underline
indicates a different motor and drive combination other than
the standard motor and standard drive combination is required. Refer to
fan motor and drive tables, pages 79-81, to complete selection.
NOTES:
1. Maximum allowable fan speed is 1100 rpm for unit size 300;
1200 rpm for all other sizes.
2. Fan performance is based on deductions for wet coil, clean 2-in.
filters, and unit casing. See table on page 70 for factory-supplied
filter pressure drop.
3. The medium-static drive and standard motor combination is not
available for 300 size. Use alternate motor if medium-static drive is
required for these sizes.
UNIT
524A-C
(High-Capacity
4-Row Coil)
AIRFLOW
(Cfm)
EXTERNAL STATIC PRESSURE (in. wg)
1.4 1.6 1.8 2.0 2.2 2.4
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
072
1,800 921
1.07 975 1.23 1026 1.39 1074 1.55 1120 1.72 1164 1.90
2,100 942
1.26 997 1.43 1048 1.61 1097 1.79 1143 1.97 1186 2.16
2,400 963
1.47 1017 1.66 1069 1.85 1118 2.05 1164 2.25 ——
2,700 987
1.71 1039 1.91 1090 2.12 1138 2.33 1185 2.55 ——
3,000 1015
1.99 1065 2.20 1113 2.42 1161 2.65 ————
090
2,250 930
1.29 986 1.47 1039 1.65 1089 1.84 1136 2.03 1181 2.22
2,600 950 1.53 1005 1.72 1057 1.92 1107 2.13 1154 2.33 ——
3,000 980
1.86 1031 2.06 1081 2.27 1129 2.49 1175 2.72 ——
3,400 1018
2.26 1065 2.48 1111 2.70 1156 2.93 ————
3,750 1057
2.69 1101 2.92 1144 3.15 1186 3.39 ————
120
3,000 961
1.78 1120 1.98 1062 2.19 1111 2.41 1158 2.64 ——
3,500 1005
2.27 1052 2.49 1098 2.71 1142 2.94 1186 3.18 ——
4,000 1058
2.90 1101 3.13 1143 3.36 1184 3.60 ————
4,500 1116
3.66 1157 3.91 1196 4.16 ——————
5,000 1176
4.56 ——————————
150
3,750 912
2.39 971 2.76 1300 3.14 1083 3.54 1135 3.95 1185 4.36
4,300 928
2.75 982 3.13 1036 3.53 1087 3.94 1138 4.37 1187 4.81
5,000 956
3.30 1072 3.71 1056 4.13 1104 4.56 1151 5.00 1196 5.46
5,700 990
3.96 1039 4.40 1086 4.85 1130 5.31 1174 5.78 ——
6,250 1019
4.54 1067 5.02 1112 5.50 1156 5.99 1198 6.49 ——
180
4,500 912
2.75 967 3.12 1019 3.52 1070 3.92 1120 4.35 1168 4.79
5,300 942 3.34 992 3.76 1041 4.18 1088 4.61 1134 5.06 1179 5.52
6,000 971
3.95 1020 4.40 1067 4.86 1112 5.33 1156 5.81 1198 6.29
6,800 1005
4.72 1054 5.23 1101 5.75 1145 6.27 1187 6.79 ——
7,500 1036
5.48 1084 6.04 1131 6.61 1174 7.17 ————
240
6,000 961
3.86 1011 4.31 1058 4.77 1104 5.24 1147 5.71 ——
7,000 1000
4.79 1050 5.32 1097 5.85 1142 6.38 1184 6.91 ——
8,000 1041
5.88 1090 6.47 1137 7.07 1181 7.67 ————
9,000 1086
7.21 1133 7.82 1178 8.47 ——————
10,000 1138
8.83 1240 9.46 ————————
300
7,500 874
5.33 897 5.91 940 6.80 990 7.50 ————
8,750 886
5.36 930 6.13 982 7.32 1020 8.10 ————
10,000 930
6.60 969 7.20 1072 7.89 1045 8.71 ————
11,250 976
8.25 1150 8.86 1051 9.49 1086 10.17 ————
12,500 1023
10.20 1061 10.88 1097 11.56 ——————
Bhp — Brake Horsepower Input to Fan
ESP — External Static Pressure
50TFQ004-012
524A072-300