Carrier 48PG24, Controls, Start-Up, Operation, Service And Troubleshooting Instructions, Page: 28 / 112

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Table 24 — Fan Performance — 50PG20 — Horizontal Supply/Return Units
LEGEND
Boldface indicates field-supplied drive required.
NOTES:
1. Motor drive ranges:
(E) Low Range: 685-939, 4.26 Bhp (208/230 and 460-v), 751-954,
5.75 Bhp (575-v)
(F) Mid-Low Range: 949-1206, 5.75 Bhp
(G) Mid-High Range: 941-1176 8.63 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.
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.2 0.4 0.6 0.8 1.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
5000 575 1.37 642 1.61 700 1.84 754 2.08 808 2.33
5500 619 1.71 682 1.96 737 2.21 788 2.45 837 2.71
6000 663 2.09 723 2.35 776 2.62 825 2.88 871 3.14
6500 708 2.53 765 2.80 816 3.08 863 3.35 906 3.63
7000 753 3.02 807 3.30 857 3.59 902 3.88 944 4.17
7500 800 3.58 850 3.86 898 4.16 942 4.47 982 4.77
8000 847 4.20 894 4.48 940 4.80 982 5.11 1022 5.43
8500 894 4.88 939 5.17 982 5.49 1024 5.82 1062 6.14
9000 941 5.63 983 5.92 1025 6.24 1065 6.58 1103 6.92
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.2 1.4 1.6 1.8 2.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
5000 862 2.60 917 2.89 972 3.20 1028 3.53 1084 3.89
5500 886 2.97 935 3.25 985 3.55 1035 3.87 1086 4.21
6000 916 3.41 960 3.69 1005 3.98 1050 4.29 1096 4.61
6500 949 3.90 990 4.19 1032 4.48 1073 4.78 1114 5.10
7000 984 4.46 1023 4.75 1062 5.04 1100 5.34 1139 5.66
7500 1021 5.07 1059 5.37 1095 5.67 1131 5.98 1167 6.29
8000 1059 5.74 1095 6.05 1130 6.36 1165 6.67 1199 6.99
8500 1099 6.47 1133 6.79 1167 7.11 1200 7.43 1232 7.76
9000 1138 7.26 1172 7.59 1205 7.93 1237 8.26 1268 8.59
Bhp — Brake Horsepower Input to Fan
E
F
G
F
F
E
E
E
E
G G
G
G
H
E
F
F
F
G
G
G
G
G
H
H
E
F
F