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Fan Performance — 50PM28 — Horizontal Supply/Return Units
Airflow
(Cfm)
Available External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
6500
759 2.89 804 3.17
E
844 3.42 883 3.68 922 3.96
7000
E 810 3.47 E 853 3.77 891 4.04 F 928 4.30 F 964 4.58
7500
862 4.12 903 4.43
F
939 4.72 974 5.00 1008 5.29
8000 F
913 4.84
F
953 5.18 988 5.48 1021 5.77 1053 6.07
8500
965 5.63 1003 5.99 1037 6.32
G
1069 6.62
G
1100 6.93
9000
1017 6.50 1054 6.89
G
1087 7.23 1118 7.55 1147 7.87
9500 G
1069 7.45
G
1105 7.86 1137 8.22 1167 8.56 1195 8.89
10000
1121 8.48 1156 8.92 1187 9.30 1216 9.66
H
1243 10.01
10500
1173 9.60
H
1207 10.06
H
1238 10.47
H
1266 10.85 1292 11.21
11000 H
1226 10.81 1259 11.30 1288 11.72 1316 12.12 1342 12.50
11500
1278 12.11 1310 12.62 1339 13.07 1366 13.49 — —
12000
1331 13.51 — — — — — — — —
12500
— — — — — — — — — —
Airflow
(Cfm)
Available External Static Pressure (in. wg)
1.2 1.4 1.6 1.8 2.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
6500
962 4.27
F
1003 4.61 1045 4.98 1090 5.41 1135 5.87
7000
F 1000 4.88 1037 5.21 G 1075 5.56 G 1115 5.95 G 1155 6.38
7500
1041 5.58
G
1075 5.90 1110 6.24 1145 6.61 1182 7.01
8000 G
1085 6.37 1116 6.68 1148 7.01 1180 7.36 1214 7.74
8500
1129 7.23 1159 7.55 1189 7.88
H
1219 8.22
H
1249 8.59
9000
1175 8.18 1204 8.50
H
1232 8.83 1260 9.18 1288 9.53
9500
1222 9.22
H
1249 9.55 1276 9.88 1302 10.22 1329 10.58
10000 H
1270 10.34 1296 10.68 1321 11.02 1346 11.37 1371 11.72
10500
1318 11.56 1343 11.90 1367 12.25 1391 12.61 — —
11000
1366 12.86 1390 13.22 — — — — — —
11500
— — — — — — — — — —
12000
— — — — — — — — — —
12500
— — — — — — — — — —
LEGEND
Bhp - Brake Horsepower Input to Fan
Boldface indicates field-supplied drive required.
NOTES:
1. Motor drive ranges:
(E) Low Range: 687-873, 5.75 Bhp
(F) Mid‐Low Range: 805 to 1007 rpm, 5.75 Bhp
(G) Mid‐High Range: 941 to 1176 rpm, 8.63 Bhp
(H) High Range: 1014 to 1297 rpm, 11.50 Bhp
All other rpms require field-supplied drive.
2. See General Fan Performance Notes.
GENERAL NOTES FOR FAN PERFORMANCE DATA TABLES
1. Static pressure losses from accessories and options
(Humidi-MiZer system, economizer, etc.) must be added
to external static pressure before entering Fan Performance
table. Refer to Accessory/FIOP Static Pressure information.
2. Extensive motor and drive testing on these units ensures
that the full horsepower range of the motor can be utilized
with confidence. Using the fan motors up to the bhp rating
shown will not result in nuisance tripping or premature
motor failure. Unit warranty will not be affected. See
Evaporator−Fan Motor Specifications for additional
information.
3. Use of a field-supplied motor may affect wire size. Contact
your Carrier representative for details.
4. Interpolation is permissible. Do not extrapolate.
48/50PG and PM