Carrier Weathermaster 48HJD Series Product Data page 32

Performance data (cont)
48HJ004 (3 TONS) — STANDARD MOTOR (BELT DRIVE)
Airflow
0.1
(Cfm)
Rpm Bhp
900 581 0.12
1000 644 0.19
1100 687 0.22
1200 733 0.26
1300 754 0.29
1400 810 0.35
1500 841 0.42
48HJ004 (3 TONS) — STANDARD MOTOR (BELT DRIVE) (cont)
Airflow
0.7
(Cfm)
Rpm Bhp
900
957 0.39
1000 992 0.44
1100
1013 0.49
1200 1045 0.56
1300 1075 0.64
1400 1110 0.73
1500 1150 0.78
48HJ004 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)
Airflow
0.2
(Cfm)
Rpm
900 673
1000 709
1100 746
1200 785
1300 826
1400 868
1500 911
48HJ004 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE) (cont)
Airflow
1.2
(Cfm)
Rpm
900 1105
1000 1136
1100 1145
1200 1210
1300 1266
1400 1349
1500 1363
LEGEND
Bhp — Brake Horsepower Input to Fan
FIOP — Factory-Installed Option
NOTES:
1. Boldface indicates field-supplied drive required. (See Note 2.)
2. Motor drive range is 760 to 1090 rpm for standard motor; 1075 to 1455 rpm
for high-static motor. All other rpms require a field-supplied drive.
3. Values include losses for filters, unit casing, and wet coils. See page 49 for
accessory/FIOP static pressure information.
32
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS
External Static Pressure (in. wg)
0.2
Rpm Bhp Rpm
673 0.18 736
709 0.22 782
746 0.26 806
785 0.32 843
826 0.38 891
868 0.45 937
911 0.53 985
External Static Pressure (in. wg)
0.8
Rpm Bhp Rpm
988 0.43 1039
1039 0.49 1061
1091
1068 0.55
1090 0.64 1109
1122 0.70 1152
1160 0.78 1181
1190 0.84 1225
0.4
Bhp Rpm Bhp
0.18 805 0.25
0.22 835 0.30
0.28 867 0.35
0.32 903 0.41
0.38 942 0.48
0.45 984 0.57
0.53 1029 0.66
1.4
Bhp Rpm Bhp
0.57 1140 0.63
0.63 1172 0.69
0.67 1181 0.73
0.74 1248 0.81
0.84 1306 0.92
0.93 1391 1.02
1.05 1406 1.15
0.3 0.4
Bhp Rpm Bhp
0.22 805 0.25
0.28 835 0.30
0.30 867 0.35
0.35 903 0.41
0.43 942 0.48
0.51 984 0.57
0.61 1029 0.66
0.9 1.0
Bhp Rpm Bhp
0.47 1061 0.51
0.55 1088 0.60
0.61 1109 0.66
0.68 1156 0.73
0.76 1190 0.82
0.83 1237 0.88
0.89 1271 0.95
External Static Pressure (in. wg)
0.6
Rpm Bhp
911 0.34
937 0.38
964 0.40
994 0.50
1047 0.60
1087 0.67
1109 0.77
External Static Pressure (in. wg)
1.6
Rpm Bhp
1170 0.68
1203 0.75
1213 0.80
1282 0.88
1341 1.00
1429 1.11
1465 1.25
4. Maximum continuous bhp is 1.2 for standard motor, 2.4 for high-static motor.
Extensive motor and electrical testing on these units ensures that the full
range of the motor can be utilized with confidence. Using your fan motors up
to the ratings shown will not result in nuisance tripping or premature motor
failure. Unit warranty will not be affected. See Evaporator-Fan Motor Data
tables on pages 47 and 48 for additional information.
5. Use of a field-supplied motor may affect wire sizing. Contact your Carrier
representative to verify.
6. Interpolation is permissible. Do not extrapolate.
0.5
Rpm Bhp Rpm
865 0.29 911
900 0.35 937
929 0.40 964
960 0.47 994
991 0.53 1047
1032 0.62 1067
1073 0.72 1109
1.1
Rpm Bhp Rpm
1105
1083 0.54
1111 0.66 1136
1127 0.73 1145
1203 0.81 1250
1228 0.87 1266
1293 0.94 1349
1371 1.00 1383
0.8
Rpm Bhp Rpm
988 0.43 1061
1039 0.49 1086
1068 0.55 1109
1090 0.64 1156
1122 0.70 1190
1160 0.84 1237
1190 1.00 1271
1.8
Rpm Bhp Rpm
1198 0.73 1224
1232 0.80 1258
1242 0.85 1268
1312 0.94 1340
1373 1.07 1402
1463 1.19 1494
1500 1.34 1532
0.6
Bhp
0.34
0.38
0.40
0.50
0.60
0.67
0.77
1.2
Bhp
0.58
0.72
0.80
0.86
0.94
0.99
1.05
1.0
Bhp
0.47
0.55
0.61
0.68
0.76
0.85
0.95
2.0
Bhp
0.77
0.86
0.91
1.01
1.14
1.26
1.43