130
PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
LEGEND
*Motor drive range: 830 to 1130 rpm. All other rpms require field-supplied
drive.
See page 107 for general fan performance notes.
NOTES:
1.
Boldface
indicates field-supplied drive is required.
2. Maximum continuous bhp is 5.25.
581B150 (12
1
/
2
TONS) — STANDARD MOTOR (BELT DRIVE)*
Airflow
(Cfm)
External Static Pressure (in. wg)
0.2
0.4
0.6
0.8
1.0
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
3700
676
1.19
1106
747
1.42
1328
811
1.66
1552
871
1.91
1779
927
2.15
2008
3800
690
1.27
1185
760
1.52
1414
823
1.76
1644
882
2.01
1876
938
2.26
2111
3900
705
1.36
1269
773
1.61
1503
835
1.86
1739
894
2.12
1977
948
2.38
2217
4000
719
1.45
1357
786
1.71
1597
848
1.97
1838
905
2.23
2082
959
2.50
2328
4100
734
1.55
1449
799
1.82
1695
860
2.08
1942
917
2.35
2192
970
2.62
2443
4200
748
1.66
1545
813
1.93
1797
872
2.20
2050
928
2.47
2305
981
2.75
2562
4300
763
1.76
1646
826
2.04
1903
885
2.32
2162
940
2.60
2423
992
2.88
2686
4400
778
1.88
1751
840
2.16
2014
898
2.44
2279
952
2.73
2546
1004
3.02
2814
4500
792
1.99
1860
853
2.28
2130
910
2.57
2401
964
2.87
2673
1015
3.16
2947
4600
807
2.12
1975
867
2.41
2250
923
2.71
2527
976
3.01
2805
1027
3.31
3085
4700
822
2.25
2094
881
2.55
2375
936
2.85
2658
989
3.15
2942
1038
3.46
3227
4800
837
2.38
2218
895
2.69
2505
949
3.00
2794
1001
3.31
3083
1050
3.62
3375
4900
852
2.52
2347
909
2.83
2640
963
3.15
2935
1014
3.46
3230
1062
3.78
3528
5000
867
2.66
2482
923
2.98
2781
976
3.30
3081
1026
3.63
3383
1074
3.95
3685
5100
882
2.81
2622
937
3.14
2926
989
3.47
3232
1039
3.80
3540
1086
4.13
3849
5200
897
2.97
2766
951
3.30
3077
1003
3.63
3389
1052
3.97
3702
1099
4.31
4017
5300
912
3.13
2917
966
3.47
3233
1016
3.81
3551
1065
4.15
3870
1111
4.49
4191
5400
927
3.30
3073
980
3.64
3395
1030
3.99
3719
1078
4.34
4044
1123
4.69
4370
5500
943
3.47
3234
994
3.82
3563
1044
4.17
3892
1091
4.53
4223
1136
4.88
4555
5600
958
3.65
3402
1009
4.01
3736
1057
4.37
4071
1104
4.73
4408
1149
5.09
4746
5700
973
3.83
3575
1023
4.20
3915
1071
4.56
4256
1117
4.93
4599
—
—
—
5800
988
4.03
3754
1038
4.40
4100
1085
4.77
4447
1130
5.14
4796
—
—
—
5900
1004
4.22
3939
1052
4.60
4292
1099
4.98
4645
—
—
—
—
—
—
6000
1019
4.43
4131
1067
4.81
4489
1113
5.20
4848
—
—
—
—
—
—
6100
1034
4.64
4329
1082
5.03
4693
—
—
—
—
—
—
—
—
—
6200
1050
4.86
4533
—
—
—
—
—
—
—
—
—
—
—
—
6300
1065
5.09
4744
—
—
—
—
—
—
—
—
—
—
—
—
581B150 (12
1
/
2
TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.2
1.4
1.6
1.8
2.0
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
3700
981
2.40
2240
1031
2.65
2473
1079
2.91
2709
1125
3.16
2948
1169
3.42
3189
3800
990
2.52
2348
1040
2.77
2587
1088
3.03
2828
1133
3.30
3073
1177
3.56
3319
3900
1000
2.64
2459
1050
2.90
2705
1097
3.17
2951
1142
3.43
3201
1186
3.70
3452
4000
1011
2.76
2576
1059
3.03
2826
1106
3.30
3079
1151
3.58
3334
1194
3.85
3591
4100
1021
2.89
2697
1069
3.17
2953
1116
3.44
3210
1160
3.72
3471
1203
4.00
3733
4200
1031
3.03
2822
1079
3.31
3083
1125
3.59
3347
1169
3.87
3612
1212
4.16
3880
4300
1042
3.16
2951
1089
3.45
3218
1135
3.74
3487
1179
4.03
3758
1221
4.32
4031
4400
1053
3.31
3085
1100
3.60
3357
1145
3.90
3632
1188
4.19
3909
1230
4.49
4187
4500
1064
3.46
3224
1110
3.76
3502
1155
4.06
3782
1198
4.36
4064
1239
4.66
4348
4600
1075
3.61
3367
1121
3.91
3650
1165
4.22
3937
1208
4.53
4224
1249
4.84
4514
4700
1086
3.77
3515
1131
4.08
3805
1175
4.39
4096
1217
4.71
4389
1258
5.02
4684
4800
1097
3.93
3668
1142
4.25
3963
1186
4.57
4260
1228
4.89
4559
1268
5.21
4860
4900
1109
4.10
3826
1153
4.43
4128
1196
4.75
4430
1238
5.08
4734
—
—
—
5000
1120
4.28
3990
1164
4.61
4296
1207
4.94
4604
—
—
—
—
—
—
5100
1132
4.46
4159
1175
4.79
4471
1218
5.13
4784
—
—
—
—
—
—
5200
1144
4.65
4333
1187
4.99
4651
—
—
—
—
—
—
—
—
—
5300
1155
4.84
4512
1198
5.19
4836
—
—
—
—
—
—
—
—
—
5400
1167
5.04
4697
—
—
—
—
—
—
—
—
—
—
—
—
5500
1179
5.24
4889
—
—
—
—
—
—
—
—
—
—
—
—
5600
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
5700
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
5800
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
5900
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
6000
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
6100
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
6200
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
6300
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Bhp
—
Brake Horsepower Input to Fan
Watts —
Input Watts to Motor
581
B0
36
-15
0
Summary of Contents for 581A
Page 30: ...30 BASE UNIT DIMENSIONS 580F036 072 a48 8195 580F036 151 ...
Page 31: ...31 BASE UNIT DIMENSIONS 580F073 a48 8196 580F036 151 ...
Page 32: ...32 BASE UNIT DIMENSIONS 580F090 120 150 a48 8197 580F036 151 ...
Page 33: ...33 BASE UNIT DIMENSIONS 580F091 103 121 151 a48 8198 580F036 151 ...
Page 91: ...91 BASE UNIT DIMENSIONS 581B036 072 a48 8199 581B036 150 ...
Page 93: ...93 ACCESSORY DIMENSIONS 581B036 072 a48 8201 581B036 150 ...
Page 94: ...94 ACCESSORY DIMENSIONS 581B090 150 a48 8202 581B036 150 ...
Page 150: ...150 BASE UNIT DIMENSIONS 581C024 060 581C024 060 ...
Page 198: ...198 TYPICAL WIRING SCHEMATICS 579F 579F240 208 230 V Shown a48 7929 ...
Page 205: ...205 BASE UNIT DIMENSIONS 580F180 210 a48 8203 580F180 300 ...
Page 206: ...206 BASE UNIT DIMENSIONS 580F240 a48 8204 ...
Page 207: ...207 BASE UNIT DIMENSIONS 580F300 a48 8205 580F180 300 ...
Page 209: ...209 ACCESSORY DIMENSIONS 580F300 Vertical Roof Curbs 580F300 a48 7456 580F180 300 ...
Page 233: ...233 BASE UNIT DIMENSIONS 581A210 300 a48 8206 581A155 180 ...
Page 237: ...237 ACCESSORY DIMENSIONS 581A210 300 a48 8234 581A155 180 ...
Page 280: ...280 TYPICAL PIPING AND WIRING 581A 581A155 Shown LEGEND NEC National Electrical Code b48 1258 ...
Page 297: ...297 ...