Pg20 - Carrier 50PG20-28 Controls, Start-Up, Operation, Service And Troubleshooting Instructions

AIRFLOW
(Cfm)
5000
5500
6000
6500
7000
7500
8000
8500
9000
Table 24 -- Fan Performance -- 50PG20 -- Horizontal Supply/Return Units
Rpm
575
619
663
708
753
800
847
894
941
0.2
Bhp
1,37
1.71
2.09
253
302
358
420
4,88
563
0.4
Rpm
642
682
723
765
8O7
85O
894
939
983
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.6 0.8
Bhp
1.61
1.96
235
280
330
386
4.48
5.17
592
Rpm
7OO
737
776
816
857
898
940
982
1025
Bhp
184
221
262
308
359
416
4.60
549
624
Rpm
754
788
E
825
863
9O2
942
F 982
1024
G
1065
Bhp
208
245
E
288
335
388
4.47
F
511
582
G
658
1.0
Rpm
8O8
837
871
9O6
944
982
1022
1062
1103 G G
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.6 1.8 2.0
Bhp
2.33
2.71
3.14
3.63
4.17
4.77
5.43
6.14
6.92
AIRFLOW
(Cfm)
5000
5500
6000
6500
7000
7500
8000
8500
9000
E
F
G
Rpm
862
886
916
949
984
1021
1059
1099
1138
1.2
Bhp
260
297
341
390
446
507
574
647
726
1.4
Rpm
917
935
960
990
1023
1059
1095
1133
1172
Bhp
289
325
369
419
475
537
605
679
759
G
H
Rpm
972
985
1005
1032
1062
1095
1130
1167
1205
Bhp
320
355
398 F
448
504
567
G
636
711
H
793
Rpm
1028
1035
1050
1073
1100
1131
1165
1200
1237
Bhp Rpm
353 1084
387 1086
429 F 1096
478 1114
534 1139
598 G 1167
667 1199
743 H 1232
826 1268
Bhp
3.89
4.21
4.61
5.10
5.66
6.29
6.99
7.76
8.59
LEGEND
Bhp -- BrakeHorsepowerlnputtoFan
Boldface indicates fieId-supplied drive required.
NOTES:
1. Motor drive ranges:
(E) Low Range: 685-939, 4.26 Bhp (208/230 and 460-v), 751-954,
575 Bhp (575-v)
(F) Mid-Low Range: 949-1206, 575 Bhp
(G) Mid-High Range: 941-1176 863 Bhp
(H) High Range: 1014-1297, 11.50 Bhp
All other rpms require field-supplied drive.
2. See page 30 for general fan performance notes
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