Bryant DURAPAC 551B - Manual (Page 85)

85
PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS
LEGEND
Bhp — Brake Horsepower Input to Fan
NOTES:
1. Boldface indicates a field-supplied drive is required. (See Note 3.)
2. Maximum continuous bhp is 1.20 for standard motors; 2.40 for high-static motors.
3. Motor drive range: 760 to 1090 rpm for standard motors; 1075 to 1455 rpm for high-static
motors. All other rpms require field-supplied drive.
4. See page 93 for general fan performance notes.
LEGEND
NOTES:
1. Boldface indicates a field-supplied drive is required. (See Note 4.)
2. indicates field-supplied motor and drive are required.
3. Maximum continuous bhp is 1.20 for standard motors; 2.40 for high-static motors.
4. Motor drive range: 840 to 1185 rpm for standard motors; 1075 to 1455 rpm for high-static
motors. All other rpms require field-supplied drive.
5. See page 93 for general fan performance notes.
551B036 (3 TONS) — STANDARD MOTOR (BELT DRIVE)
Airflow
(Cfm)
External Static Pressure (in. wg)
0.1 0.2 0.3 0.4 0.5 0.6
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
900 581 0.12 673 0.18 736 0.22 805 0.25 865 0.29 911 0.34
1000 644 0.19 709 0.22 782 0.28 835 0.30 900 0.35 937 0.38
1100 687 0.22 746 0.26 806 0.30 867 0.35 929 0.40 964 0.40
1200 733 0.26 785 0.32 843 0.35 903 0.41 960 0.47 994 0.50
1300 754 0.29 826 0.38 891 0.43 942 0.48 991 0.53 1047 0.60
1400 810 0.35 868 0.45 937 0.51 984 0.57 1032 0.62 1067 0.67
1500 841 0.42 911 0.53 985 0.61 1029 0.66 1073 0.72 1109 0.77
551B036 (3 TONS) — STANDARD MOTOR (BELT DRIVE) (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
0.7 0.8 0.9 1.0 1.1 1.2
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
900 957 0.39 988 0.43 1039 0.45 1061 0.47 1083 0.53 1105 0.57
1000 992 0.44 1039 0.49 1061 0.51 1086 0.55 1111 0.59 1136 0.63
1100 1013 0.49 1068 0.55 1090 0.58 1109 0.61 1127 0.64 1145 0.67
1200 1045 0.56 1090 0.64 1109 0.64 1156 0.68 1203 0.71 1250 0.74
1300 1075 0.64 1122 0.70 1152 0.72 1190 0.76 1228 0.80 1266 0.84
1400 1110 0.73 1160 0.84 1181 0.81 1237 0.85 1293 0.89 1349 0.93
1500 1150 0.82 1190 1.00 1225 0.90 1271 0.95 1317 1.00 1363 1.05
551B036 (3 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 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
900 673 0.18 805 0.25 911 0.34 988 0.43 1061 0.47
1000 709 0.22 836 0.30 937 0.38 1039 0.49 1086 0.55
1100 746 0.28 867 0.35 964 0.40 1068 0.55 1109 0.61
1200 785 0.32 903 0.41 984 0.50 1090 0.64 1156 0.68
1300 826 0.38 942 0.48 1047 0.60 1122 0.70 1190 0.76
1400 868 0.45 984 0.57 1087 0.67 1160 0.84 1237 0.85
1500 911 0.53 1029 0.66 1109 0.77 1190 1.00 1271 0.95
551B036 (3 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 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
900 1105 0.57 1140 0.63 1170 0.68 1198 0.73 1224 0.77
1000 1136 0.63 1172 0.69 1203 0.75 1232 0.80 1258 0.86
1100 1145 0.67 1181 0.73 1213 0.80 1242 0.85 1268 0.91
1200 1210 0.74 1248 0.81 1282 0.88 1312 0.94 1340 1.01
1300 1266 0.84 1306 0.92 1341 1.00 1373 1.07 1402 1.14
1400 1349 0.93 1391 1.02 1429 1.11 1463 1.19 1494 1.26
1500 1363 1.05 1406 1.15 1444 1.25 1478 1.34 1510 1.43
551B048 (4 TONS) — STANDARD MOTOR (BELT DRIVE)
Airflow
(Cfm)
External Static Pressure (in. wg)
0.1 0.2 0.3 0.4 0.6 0.7 0.8
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
1200 542 0.16 616 0.21 678 0.27 739 0.32 842 0.44 886 0.50 929 0.56
1300 576 0.20 644 0.25 704 0.31 764 0.37 867 0.50 910 0.56 952 0.62
1400 610 0.24 673 0.30 732 0.36 791 0.42 889 0.55 933 0.62 976 0.69
1500 646 0.28 704 0.35 761 0.42 818 0.48 912 0.61 957 0.69 1001 0.76
1600 681 0.33 735 0.40 790 0.47 845 0.54 920 0.68 931 0.76 1023 0.83
1700 718 0.39 768 0.46 836 0.54 873 0.61 965 0.76 1005 0.84 1045 0.91
1800 754 0.45 801 0.53 851 0.61 900 0.69 992 0.84 1032 0.92 1071 1.00
1900 791 0.52 836 0.60 832 0.69 828 0.77 1019 0.93 1058 1.02 1097 1.10
2000 828 0.60 870 0.68 864 0.77 858 0.86 1046 1.03 1085 1.12 1124 1.21
551B048 (4 TONS) — STANDARD MOTOR (BELT DRIVE) (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.0 1.1 1.2 1.4 1.6 1.8
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
1200 1008 0.67 1052 0.73 1096 0.78 1134 0.89 1203 1.00 — —
1300 1029 0.75 1065 0.81 1101 0.86 1174 1.01 1229 1.15 1277 1.27
1400 1052 0.83 1087 0.90 1121 0.96 1183 1.09 1255 1.22 1305 1.38
1500 1076 0.91 1111 0.99 1145 1.06 1208 1.20 1274 1.33 1337 1.47
1600 1100 1.00 1134 1.08 1168 1.15 1232 1.31 1291 1.46 1350 1.60
1700 1124 1.09 1158 1.17 1192 1.25 1255 1.42 1314 1.58 1370 1.77
1800 1147 1.18 1182 1.27 1217 1.36 1279 1.54 1381 1.71 1393 1.89
1900 1169 1.27 1205 1.37 1240 1.47 1303 1.66 1408 1.85 1417 2.03
2000 1194 1.38 1228 1.48 1262 1.58 1327 1.78 1436 1.98 1440 2.18
Bhp — Brake Horsepower Input to Fan
0TF
Q
0
04-
01
2
5
5
1
B
03
6-
15
0