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PERFORMANCE DATA (cont)
524A-B FAN PERFORMANCE DATA — 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-B
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
1,800 910
1.04 965 1.20 1180 1.36 1065 1.52 1111 1.69 1155 1.86
2,100 927
1.21 983 1.38 1035 1.56 1084 1.74 1131 1.92 1175 2.11
2,400 944
1.41 999 1.59 1052 1.78 1101 1.98 1149 2.18 1193 2.38
2,700 964
1.63 1018 1.82 1069 2.03 1118 2.24 1165 2.45 ——
3,000 989
1.89 1039 2.10 1089 2.31 1136 2.53 1183 2.76 ——
090
2,250 918
1.26 975 1.43 1029 1.62 1079 1.80 1126 1.99 1172 2.18
2,600 936 1.48 991 1.67 1044 1.87 1094 2.07 1142 2.28 1188 2.49
3,000 963 1.79 1150 1.99 1064 2.20 1113 2.42 1159 2.64 ——
3,400 998
2.18 1045 2.39 1092 2.61 1137 2.83 1182 3.07 ——
3,750 1360
2.58 1078 2.80 1122 3.03 1164 3.27 ————
120
3,000
949 1.74 1000 1.93 1050 2.14 1099 2.36 1147 2.58 1192 2.81
3,500 990 2.21 1037 2.42 1083 2.64 1128 2.86 1172 3.10 ——
4,000 1040
2.80 1084 3.03 1126 3.26 1167 3.50 ————
4,500 1094
3.53 1136 3.78 1176 4.03 ——————
5,000 1151
4.39 1191 4.66 ————————
150
3,750 909
2.37 968 2.74 1026 3.12 1080 3.51 1131 3.92 1181 4.32
4,300 925
2.73 980 3.11 1360 3.52 1084 3.92 1135 4.35 1184 4.78
5,000 950
3.26 1002 3.67 1052 4.09 1101 4.53 1148 4.98 1190 5.44
5,700 981
3.88 1031 4.33 1079 4.79 1125 5.25 1169 5.73 ——
6,250 1072
4.42 1057 4.91 1103 5.40 1148 5.90 1191 6.40 ——
180
4,500 912
2.75 967 3.13 1019 3.52 1070 3.92 1120 4.35 1168 4.79
5,300 940 3.33 992 3.75 1041 4.18 1088 4.61 1134 5.06 1179 5.52
6,000 968
3.92 1018 4.38 1066 4.85 1112 5.32 1156 5.80 1198 6.29
6,800 1000
4.67 1050 5.19 1097 5.71 1142 6.23 1185 6.76 ——
7,500 1300
5.39 1078 5.97 1125 6.54 1170 7.11 ————
240
6,000 954
3.83 1005 4.27 1052 4.72 1098 5.22 1142 5.67 ——
7,000 990
4.74 1040 5.24 1090 5.80 1135 6.30 1176 6.84 ——
8,000 1300
5.79 1078 6.38 1130 7.00 1173 7.60 ————
9,000 1073
7.11 1120 7.72 1169 8.37 ——————
10,000 1126
8.75 1166 9.37 ————————
300
7,500 831 4.41 870
5.10 913 5.90 950 6.88 985 7.70 ——
8,750 859
4.97 901 5.59 944 6.42 980 7.20 1020 8.10 ——
10,000 900
6.20 939 6.74 976 7.33 1013 8.00 1050 8.82 ——
11,250 941
7.73 980 8.32 1017 8.90 1052 9.51 1086 10.16 ——
12,500 984
9.53 1022 10.19 1058 10.84 1093 11.49 ————
Bhp — Brake Horsepower Input to Fan
ESP — External Static Pressure
50TFQ004-012
524A072-300