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Table 20 — Fan Performance — 50BVT,U,V064 (cont)
LEGEND
NOTES:
1. Unit is available with the following motor and drive combina-
tions: 7.5, 10, 15, 20 HP standard drive; 7.5, 10, 15, 20 HP
medium-static drive; 7.5, 10, 15, 20 HP high-static drive.
For 7.5 HP standard drives, the drive range is 780 to 960 rpm.
For 10, 15, 20 HP standard and 7.5 HP medium-static drives,
the drive range is 805 to 991 rpm. For 10, 15, 20 HP medium-
static and 7.5 HP high-static drives the drive range is 960 to
1146 rpm. For 10, 15, 20 HP high-static drives the drive range
is 1119 to 1335 rpm.
2. Italics indicates field-supplied drive required.
3. Do not operate in shaded area.
4. Static pressure losses must be applied to external static pres-
sure before entering the fan performance table.
5. Interpolation is permitted, extrapolation is not.
6. Fan performance is based on filter, unit casing and wet coil
losses.
7. Bhp values are per fan. Watts values are per motor. Unit has
2 supply fans and 2 motors.
AIRFLOW
(cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.2 2.4 2.6 2.8 3.0
Rpm Watts Bhp Rpm Watts Bhp Rpm Watts Bhp Rpm Watts Bhp Rpm Watts Bhp
18,000 912 6,095 7.23 943 6,324 7.59 974 6,629 7.95 1005 6,943 8.33 1035 7,266 8.72
19,000 925 6,690 8.03 955 6,996 8.39 984 7,310 8.77 1013 7,624 9.15 1042 7,955 9.54
20,000 940 7,423 8.91 969 7,746 9.29 997 8,060 9.67 1025 8,253 10.07 1053 8,578 10.46
21,000 955 8,199 9.84 982 8,390 10.23 1010 8,715 10.63 1037 9,041 11.03 1063 9,375 11.44
22,000 971 8,913 10.87 998 9,238 11.27 1024 9,572 11.68 1050 9,915 12.09 1076 10,257 12.51
23,000 988 9,812 11.97 1014 10,155 12.39 1040 10,506 12.82 1065 10,848 13.23 1090 11,207 13.67
24,000 1006 10,771 13.14 1031 11,130 13.58 1056 11,490 14.02 1080 11,849 14.45 1104 12,217 14.90
25,000 1025 11,824 14.42 1050 12,191 14.87 1074 12,568 15.33 1097 12,944 15.79 1121 13,320 16.25
26,000 1045 12,936 15.78 1069 13,320 16.25 1092 13,714 16.73 1115 14,098 17.20 1138 14,492 17.68
27,000 1065 14,124 17.23 1088 14,526 17.72 1110 14,927 18.21 1133 15,329 18.70 1155 15,731 19.19
28,000 1086 15,397 18.78 1108 15,816 19.29 1131 16,235 19.80
— — — — — —
29,000
— — — — — — — — — — — — — — —
AIRFLOW
(cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.2 3.4 3.6 3.8 4.0
Rpm Watts Bhp Rpm Watts Bhp Rpm Watts Bhp Rpm Watts Bhp Rpm Watts Bhp
18,000 1065 7,606 9.13 1095 7,946 9.53
— — — — — — — — —
19,000 1071 8,286 9.94 1100 8,493 10.36 1128 8,835 10.78 1157 9,195 11.22 1185 9,564 11.67
20,000 1081 8,904 10.86 1108 9,247 11.28 1136 9,598 11.71 1163 9,958 12.15 1190 10,326 12.60
21,000 1090 9,718 11.85 1116 10,060 12.27 1143 10,411 12.70 1169 10,771 13.14 1195 11,139 13.59
22,000 1102 10,608 12.94 1127 10,959 13.37 1153 11,319 13.81 1178 11,678 14.25 1203 12,046 14.69
23,000 1115 11,558 14.10 1139 11,918 14.54 1164 12,286 14.99 1188 12,653 15.43 1212 13,038 15.90
24,000 1128 12,585 15.35 1152 12,953 15.80 1176 13,329 16.26 1200 13,705 16.72 1223 14,090 17.19
25,000 1144 13,697 16.71 1167 14,073 17.17 1190 14,457 17.64 1213 14,850 18.12 1236 15,235 18.58
26,000 1160 14,876 18.15 1183 15,269 18.63 1205 15,662 19.11 1227 16,064 19.60
— — —
27,000 1177 16,132 19.68
— — — — — — — — — — — —
28,000
— — — — — — — — — — — — — — —
29,000
— — — — — — — — — — — — — — —
Bhp — Brake Horsepower Input to Supply Fan
Watts — Input Power to Supply Fan Motor