114
PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
LEGEND
*Motor drive range: 840 to 1085 rpm. All other rpms require field- sup-
plied drive.
Refer to page 107 for general Fan Performance Data notes.
NOTES:
1.
Boldface
indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.
581B102 (8
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
2500
541
0.50
467
624
0.66
614
701
0.83
771
771
1.00
936
837
1.19
1109
2600
556
0.55
513
637
0.71
665
711
0.89
827
781
1.07
996
845
1.26
1173
2700
571
0.60
562
650
0.77
720
722
0.95
885
790
1.14
1059
854
1.33
1241
2800
586
0.66
615
663
0.83
777
734
1.02
948
800
1.21
1126
863
1.41
1312
2900
601
0.72
672
676
0.90
839
745
1.09
1014
811
1.28
1197
872
1.49
1387
3000
616
0.79
732
689
0.97
904
757
1.16
1083
821
1.36
1271
882
1.57
1465
3100
632
0.85
796
703
1.04
972
769
1.24
1157
832
1.45
1349
892
1.66
1548
3200
648
0.93
864
717
1.12
1045
782
1.32
1235
843
1.53
1431
902
1.75
1635
3300
663
1.00
936
731
1.20
1122
795
1.41
1316
855
1.63
1517
912
1.85
1725
3400
679
1.09
1012
745
1.29
1203
808
1.50
1402
867
1.72
1608
923
1.95
1820
3500
695
1.17
1092
760
1.38
1288
821
1.60
1492
879
1.83
1703
934
2.06
1920
3600
711
1.26
1177
774
1.48
1379
834
1.70
1587
891
1.93
1802
945
2.17
2024
3700
728
1.36
1266
789
1.58
1473
848
1.81
1686
904
2.04
1906
957
2.29
2132
3800
744
1.46
1361
804
1.69
1572
861
1.92
1790
916
2.16
2015
969
2.41
2246
3900
760
1.57
1460
819
1.80
1676
875
2.04
1899
929
2.28
2128
981
2.53
2364
4000
777
1.68
1563
834
1.91
1785
889
2.16
2012
942
2.41
2247
993
2.67
2487
4100
793
1.79
1672
850
2.04
1899
904
2.29
2132
956
2.54
2371
1006
2.80
2615
4200
810
1.92
1786
865
2.16
2018
918
2.42
2255
969
2.68
2499
—
—
—
4300
826
2.04
1906
880
2.30
2142
932
2.56
2385
983
2.82
2633
—
—
—
581B102 (8
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
2500
900
1.38
1289
959
1.58
1476
1015
1.79
1669
1069
2.00
1868
1121
2.22
2073
2600
907
1.46
1357
965
1.66
1548
1021
1.87
1745
1074
2.09
1948
1125
2.31
2158
2700
914
1.53
1429
972
1.74
1624
1027
1.96
1825
1079
2.18
2032
1130
2.41
2245
2800
922
1.61
1505
979
1.83
1704
1033
2.05
1909
1085
2.27
2120
1135
2.51
2337
2900
931
1.70
1584
986
1.92
1787
1040
2.14
1996
1091
2.37
2211
1141
2.61
2432
3000
939
1.79
1667
994
2.01
1874
1047
2.24
2087
1098
2.47
2307
1147
2.71
2532
3100
948
1.88
1753
1002
2.11
1965
1054
2.34
2183
1105
2.58
2406
1153
2.83
2635
3200
957
1.98
1844
1011
2.21
2060
1062
2.45
2283
1112
2.69
2510
—
—
—
3300
967
2.08
1939
1020
2.32
2160
1070
2.56
2386
1119
2.81
2618
—
—
—
3400
977
2.19
2039
1029
2.43
2264
1079
2.67
2494
—
—
—
—
—
—
3500
987
2.30
2143
1038
2.54
2372
1088
2.80
2607
—
—
—
—
—
—
3600
998
2.41
2251
1048
2.66
2485
—
—
—
—
—
—
—
—
—
3700
1008
2.54
2364
1058
2.79
2602
—
—
—
—
—
—
—
—
—
3800
1019
2.66
2482
—
—
—
—
—
—
—
—
—
—
—
—
3900
1031
2.79
2605
—
—
—
—
—
—
—
—
—
—
—
—
4000
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
4100
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
4200
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
4300
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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 ...