119
PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS
LEGEND
*Motor drive range: 680 to 1044 rpm. All other rpms require field- sup-
plied 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.
LEGEND
*Motor drive range: 1075 to 1455 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 2.40.
581B036 (3 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
900
553
0.14
134
681
0.22
221
782
0.32
316
870
0.42
417
948
0.53
526
1000
582
0.16
163
707
0.26
257
807
0.36
358
894
0.47
466
971
0.58
580
1100
612
0.20
196
734
0.30
297
833
0.41
405
919
0.52
519
995
0.64
639
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
581B036 (3 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
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
—
—
—
1100
1065
0.77
765
1130
0.90
896
1190
1.04
1032
1247
1.18
1173
—
—
—
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
—
—
—
—
—
—
—
—
—
—
—
—
Bhp
—
Brake Horsepower
Watts
—
Input Watts to Motor
581B036 (3 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
900
553
0.14
134
681
0.22
221
782
0.32
316
870
0.42
417
948
0.53
526
1000
582
0.16
163
707
0.26
257
807
0.36
358
894
0.47
466
971
0.58
580
1100
612
0.20
196
734
0.30
297
833
0.41
405
919
0.52
519
995
0.64
639
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
581B036 (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
5
81B0
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 ...