66
PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
LEGEND
*Motor drive range: 860 to 1080 rpm. All other rpms require field-supplied
drive.
NOTES:
1.
Boldface
indicates field-supplied drive is required.
2. Maximum continuous bhp is 3.70.
3. See page 74 for General Fan Performance Notes.
580F090,091 (7
1
/
2
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
2250
505
0.52
484
586
0.73
681
657
0.97
901
722
1.22
1142
782
1.50
1403
2300
513
0.55
509
592
0.76
708
663
1.00
931
727
1.26
1174
787
1.54
1437
2400
527
0.60
561
605
0.82
766
674
1.07
993
738
1.33
1241
796
1.62
1508
2500
543
0.66
617
618
0.89
828
686
1.14
1060
748
1.41
1312
806
1.70
1583
2550
550
0.69
647
625
0.92
860
692
1.17
1095
754
1.45
1349
811
1.74
1623
2600
558
0.73
677
632
0.96
894
698
1.21
1131
759
1.49
1388
816
1.78
1664
2700
574
0.80
742
645
1.03
964
710
1.29
1207
770
1.58
1469
826
1.88
1749
2800
589
0.87
811
659
1.11
1039
723
1.38
1287
782
1.67
1554
837
1.97
1839
2900
605
0.95
885
673
1.20
1119
736
1.47
1372
794
1.76
1644
848
2.07
1933
3000
621
1.03
963
688
1.29
1204
749
1.57
1463
806
1.87
1740
859
2.18
2033
3100
637
1.12
1046
702
1.39
1293
762
1.67
1558
818
1.97
1840
871
2.29
2139
3200
654
1.22
1135
717
1.49
1388
776
1.78
1658
831
2.09
1946
882
2.41
2249
3300
670
1.32
1228
732
1.60
1488
789
1.89
1764
843
2.21
2057
894
2.54
2365
3400
686
1.42
1328
747
1.71
1593
803
2.01
1876
856
2.33
2174
907
2.67
2488
3500
703
1.54
1433
762
1.83
1705
817
2.14
1993
870
2.46
2297
919
2.81
2616
3600
720
1.66
1543
777
1.95
1822
832
2.27
2116
883
2.60
2425
932
2.95
2750
3700
736
1.78
1660
793
2.09
1944
846
2.41
2245
896
2.75
2560
944
3.10
2889
3750
745
1.85
1721
801
2.15
2008
853
2.48
2312
903
2.82
2630
951
3.18
2962
580F090,091 (7
1
/
2
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
2250
838
1.81
1683
891
2.12
1981
941
2.46
2297
988
2.82
2629
1033
3.19
2976
2300
842
1.84
1719
895
2.17
2019
944
2.51
2336
992
2.86
2669
1037
3.24
3018
2400
851
1.92
1793
903
2.25
2097
952
2.59
2416
999
2.95
2752
1043
3.33
3104
2500
860
2.01
1873
911
2.34
2180
960
2.68
2502
1006
3.05
2842
1051
3.43
3196
2550
865
2.05
1914
916
2.38
2223
964
2.73
2547
1010
3.10
2888
1054
3.48
3243
2600
869
2.10
1957
920
2.43
2267
968
2.78
2593
1014
3.15
2935
1058
3.53
3292
2700
879
2.19
2046
929
2.53
2360
976
2.88
2689
1022
3.25
3035
1066
3.64
3395
2800
889
2.29
2140
938
2.64
2458
985
2.99
2791
1030
3.37
3140
—
—
—
2900
899
2.40
2239
948
2.75
2561
994
3.11
2898
1039
3.49
3250
—
—
—
3000
910
2.51
2343
958
2.86
2670
1004
3.23
3011
1048
3.61
3366
—
—
—
3100
921
2.63
2453
968
2.98
2783
1013
3.35
3128
—
—
—
—
—
—
3200
932
2.75
2569
978
3.11
2903
1023
3.49
3252
—
—
—
—
—
—
3300
943
2.88
2690
989
3.25
3029
1033
3.63
3382
—
—
—
—
—
—
3400
954
3.02
2816
1000
3.39
3159
—
—
—
—
—
—
—
—
—
3500
966
3.16
2950
1011
3.54
3297
—
—
—
—
—
—
—
—
—
3600
978
3.31
3088
1022
3.69
3442
—
—
—
—
—
—
—
—
—
3700
990
3.47
3233
—
—
—
—
—
—
—
—
—
—
—
—
3750
996
3.55
3308
—
—
—
—
—
—
—
—
—
—
—
—
Bhp
—
Brake Horsepower Input to Fan
Watts —
Input Watts to Motor
58
0F0
3
6
-15
1
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 ...