158
PERFORMANCE DATA — 581C
LEGEND
*Motor drive range: 1075 to 1455 rpm. All other rpms require field-
supplied drive.
See page 107 for general fan performance notes.
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
LEGEND
*Motor drive range: 770 to 1185 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 1.20.
581C036 (3 TONS) — HIGH-STATIC 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
900
1019
0.64
640
1084
0.76
760
1146
0.89
885
1203
1.02
1016
1258
1.16
1152
1000
1042
0.70
700
1107
0.83
825
1168
0.96
956
1225
1.10
1091
1279
1.24
1232
1100
1065
0.77
765
1130
0.90
896
1190
1.04
1032
1247
1.18
1173
1301
1.33
1319
1200
1089
0.84
837
1153
0.98
974
1213
1.12
1115
1270
1.27
1262
1324
1.42
1413
1300
1113
0.92
915
1177
1.06
1058
1237
1.21
1205
1293
1.36
1358
1347
1.52
1514
1400
1138
1.01
1000
1201
1.15
1149
1261
1.31
1303
1317
1.47
1461
1370
1.63
1623
1500
1163
1.10
1092
1226
1.25
1247
1285
1.41
1407
1341
1.58
1571
1394
1.75
1740
Bhp
—
Brake Horsepower
Watts
—
Input Watts to Motor
581C048 (4 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
1200
643
0.23
234
762
0.34
343
859
0.46
458
944
0.58
579
1020
0.71
705
1300
675
0.28
277
790
0.40
394
886
0.52
517
969
0.65
644
1044
0.78
777
1400
707
0.33
326
819
0.45
452
913
0.58
581
996
0.72
716
1070
0.86
855
1500
740
0.38
382
849
0.52
515
941
0.66
653
1023
0.80
795
1096
0.95
941
1600
773
0.45
444
879
0.59
586
970
0.73
731
1050
0.88
880
1123
1.04
1034
1700
807
0.52
513
910
0.67
663
999
0.82
817
1078
0.98
973
1150
1.14
1134
1800
841
0.59
589
942
0.75
749
1029
0.91
910
1106
1.08
1074
—
—
—
1900
875
0.68
674
974
0.85
842
1059
1.02
1012
1135
1.19
1184
—
—
—
2000
910
0.77
767
1006
0.95
944
1090
1.13
1122
—
—
—
—
—
—
581C048 (4 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
1200
1089
0.84
837
1153
0.98
974
1213
1.12
1115
—
—
—
—
—
—
1300
1113
0.92
915
1177
1.06
1058
—
—
—
—
—
—
—
—
—
1400
1138
1.01
1000
1201
1.15
1149
—
—
—
—
—
—
—
—
—
1500
1163
1.10
1092
—
—
—
—
—
—
—
—
—
—
—
—
1600
1189
1.20
1191
—
—
—
—
—
—
—
—
—
—
—
—
1700
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1800
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1900
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2000
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Bhp
—
Brake Horsepower
Watts
—
Input Watts to Motor
581C048 (4 TONS) — HIGH-STATIC 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
1200
643
0.23
234
762
0.34
343
859
0.46
458
944
0.58
579
1020
0.71
705
1300
675
0.28
277
790
0.40
394
886
0.52
517
969
0.65
644
1044
0.78
777
1400
707
0.33
326
819
0.45
452
913
0.58
581
996
0.72
716
1070
0.86
855
1500
740
0.38
382
849
0.52
515
941
0.66
653
1023
0.80
795
1096
0.95
941
1600
773
0.45
444
879
0.59
586
970
0.73
731
1050
0.88
880
1123
1.04
1034
1700
807
0.52
513
910
0.67
663
999
0.82
817
1078
0.98
973
1150
1.14
1134
1800
841
0.59
589
942
0.75
749
1029
0.91
910
1106
1.08
1074
1177
1.25
1242
1900
875
0.68
674
974
0.85
842
1059
1.02
1012
1135
1.19
1184
1205
1.37
1360
2000
910
0.77
767
1006
0.95
944
1090
1.13
1122
1165
1.31
1302
1234
1.49
1485
58
1C02
4-
060
Содержание 581A
Страница 30: ...30 BASE UNIT DIMENSIONS 580F036 072 a48 8195 580F036 151 ...
Страница 31: ...31 BASE UNIT DIMENSIONS 580F073 a48 8196 580F036 151 ...
Страница 32: ...32 BASE UNIT DIMENSIONS 580F090 120 150 a48 8197 580F036 151 ...
Страница 33: ...33 BASE UNIT DIMENSIONS 580F091 103 121 151 a48 8198 580F036 151 ...
Страница 91: ...91 BASE UNIT DIMENSIONS 581B036 072 a48 8199 581B036 150 ...
Страница 93: ...93 ACCESSORY DIMENSIONS 581B036 072 a48 8201 581B036 150 ...
Страница 94: ...94 ACCESSORY DIMENSIONS 581B090 150 a48 8202 581B036 150 ...
Страница 139: ...139 TYPICAL WIRING SCHEMATICS 581B SIZES 036 150 581B090 460 3 60 Shown a48 8233 580F036 151 AND 581B036 150 ...
Страница 150: ...150 BASE UNIT DIMENSIONS 581C024 060 581C024 060 ...
Страница 198: ...198 TYPICAL WIRING SCHEMATICS 579F 579F240 208 230 V Shown a48 7929 ...
Страница 202: ...202 TYPICAL PIPING AND WIRING 579F180 300 579F180 Shown LEGEND NEC National Electrical Code b48 1258 ...
Страница 205: ...205 BASE UNIT DIMENSIONS 580F180 210 a48 8203 580F180 300 ...
Страница 206: ...206 BASE UNIT DIMENSIONS 580F240 a48 8204 ...
Страница 207: ...207 BASE UNIT DIMENSIONS 580F300 a48 8205 580F180 300 ...
Страница 209: ...209 ACCESSORY DIMENSIONS 580F300 Vertical Roof Curbs 580F300 a48 7456 580F180 300 ...
Страница 227: ...227 TYPICAL PIPING AND WIRING 580F180 300 LEGEND NEC National Electrical Code b48 1258 580F180 300 ...
Страница 233: ...233 BASE UNIT DIMENSIONS 581A210 300 a48 8206 581A155 180 ...
Страница 237: ...237 ACCESSORY DIMENSIONS 581A210 300 a48 8234 581A155 180 ...
Страница 280: ...280 TYPICAL PIPING AND WIRING 581A 581A155 Shown LEGEND NEC National Electrical Code b48 1258 ...
Страница 297: ...297 ...