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Table 11 — Fan Performance — 48PGD28 — Vertical Supply/Return Units
LEGEND
Boldface indicates field-supplied motor/drive required.
NOTES:
1. Motor drive ranges:
(A) Low Range: 687-873 rpm, 5.75 bhp
(B) Mid-Low Range: 805-1007 rpm, 5.75 bhp
(C) Mid-High Range: 941-1176 rpm, 8.63 bhp
(D) High Range: 1014-1297 rpm, 11.50 bhp
All other rpms require field-supplied motor or drive.
2. See page 36 for general fan performance notes.
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.20.40.60.81.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
6,500 750 2.28 806 2.62 854 2.93 898 3.25 943 3.59
7,000 797 2.78 853 3.17 899 3.50 941 3.84 982 4.18
7,500 845 3.34 900 3.78 945 4.15 985 4.51 1024 4.87
8,000 892 3.97 948 4.48 991 4.88 1030 5.26 1067 5.64
8,500 939 4.68 995 5.25 1038 5.69 1076 6.10 1112 6.50
9,000 986 5.46 1042 6.10 1085 6.59 1122 7.04 1157 7.46
9,500 1033 6.32 1090 7.04 1132 7.59 1169 8.07 1203 8.52
10,000 1079 7.26 1137 8.07 1180 8.67 1216 9.19 1249 9.68
10,500 1126 8.28 1184 9.20 1227 9.86 1263 10.43 1296 10.95
11,000 1172 9.40 1232 10.42 1274 11.15 1310 11.76 1342 12.33
11,500 1219 10.61 1279 11.74 1322 12.54 1357 13.21 ——
12,000 1265 11.91 1326 13.17 ——————
12,500 1311 13.32 ————————
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.21.41.61.82.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
6,500 988 3.97 1035 4.40 1082 4.87 1130 5.39 1177 5.95
7,000 1024 4.56 1066 4.98 1109 5.43 1153 5.94 1197 6.48
7,500 1063 5.25 1101 5.66 1141 6.10 1181 6.59 1222 7.12
8,000 1104 6.03 1140 6.44 1176 6.88 1213 7.36 1251 7.87
8,500 1146 6.91 1180 7.33 1214 7.77 1249 8.24 1283 8.74
9,000 1190 7.89 1222 8.32 1255 8.77 1287 9.24 1319 9.74
9,500 1235 8.97 1266 9.42 1296 9.88 1327 10.36 1357 10.86
10,000 1280 10.16 1310 10.63 1340 11.10 1369 11.59 1398 12.09
10,500 1326 11.45 1355 11.95 1384 12.44 ————
11,000 1372 12.86 ————————
11,500 ——————————
12,000 ——————————
12,500 ——————————
Bhp — Brake Horsepower Input to Fan
A
A
A
B
B
B
B
B
C
C
C
C
C
D
D
D
D
D
D
D
D
D
D
C
C
C
C
B