89 performance data (cont), Fan performance — horizontal discharge units – Bryant DURAPAC 551B User Manual
Page 89

89
PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS
LEGEND
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 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.
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
526
0.06
584
0.08
656
0.12
734
0.22
818
0.25
875
0.27
1000
570
0.09
627
0.13
738
0.19
800
0.26
848
0.29
895
0.31
1100
614
0.13
670
0.16
758
0.23
812
0.29
863
0.32
914
0.35
1200
658
0.16
710
0.23
780
0.28
840
0.32
889
0.36
938
0.40
1300
703
0.20
752
0.27
808
0.32
868
0.37
916
0.41
963
0.45
1400
725
0.29
776
0.31
845
0.38
891
0.42
937
0.47
983
0.51
1500
755
0.33
816
0.38
870
0.43
924
0.48
969
0.53
1014
0.58
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
924
0.32
953
0.35
989
0.38
1028
0.42
1074
0.49
1120
0.54
1000
936
0.35
977
0.39
1020
0.44
1064
0.48
1124
0.54
1185
0.60
1100
960
0.39
1005
0.43
1052
0.49
1100
0.52
1163
0.59
1225
0.65
1200
960
0.45
1038
0.50
1076
0.53
1136
0.59
1201
0.65
1266
0.72
1300
1012
0.51
1061
0.56
1090
0.61
1172
0.65
1239
0.72
1306
0.79
1400
1027
0.56
1071
0.60
1108
0.67
1208
0.70
1278
0.79
1347
0.87
1500
1056
0.63
1097
0.68
1117
0.70
1245
0.74
1315
0.87
1385
0.96
Bhp
— Brake Horsepower Input to Fan
FIOP — Factory-Installed Option
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
584
0.08
734
0.22
875
0.27
953
0.35
1028
0.42
1000
627
0.13
800
0.26
895
0.31
977
0.39
1064
0.48
1100
670
0.16
812
0.29
914
0.35
1005
0.43
1100
0.52
1200
710
0.23
840
0.32
936
0.40
1038
0.50
1136
0.59
1300
752
0.27
868
0.37
963
0.45
1061
0.56
1172
0.65
1400
776
0.31
891
0.42
983
0.51
1071
0.60
1208
0.70
1500
816
0.38
924
0.48
1014
0.58
1097
0.68
1245
0.74
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
1120
0.54
1155
0.59
1186
0.64
1215
0.69
1240
0.73
1000
1185
0.60
1222
0.66
1255
0.71
1285
0.77
1312
0.82
1100
1225
0.65
1263
0.71
1298
0.77
1328
0.83
1357
0.88
1200
1266
0.72
1306
0.79
1341
0.86
1373
0.92
1402
0.98
1300
1306
0.79
1347
0.87
1383
0.94
1416
1.01
1446
1.07
1400
1347
0.87
1389
0.95
1427
1.03
1461
1.11
1492
1.18
1500
1385
0.96
1428
1.05
1467
1.14
1502
1.22
1534
1.30
Bhp
— Brake Horsepower Input to Fan
FIOP — Factory-Installed Option
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
514
0.15
590
0.20
657
0.25
723
0.30
828
0.42
876
0.49
924
0.55
1300
545
0.18
615
0.23
680
0.29
744
0.35
849
0.47
895
0.54
940
0.60
1400
577
0.21
642
0.27
704
0.33
766
0.39
870
0.52
915
0.59
959
0.66
1500
609
0.26
670
0.31
729
0.38
788
0.44
892
0.58
936
0.65
980
0.72
1600
642
0.30
699
0.36
755
0.43
811
0.49
913
0.64
957
0.72
1001
0.79
1700
675
0.36
728
0.42
782
0.49
836
0.55
935
0.71
979
0.79
1023
0.86
1800
709
0.41
759
0.48
810
0.55
860
0.62
957
0.78
1001
0.86
1044
0.94
1900
743
0.48
790
0.55
838
0.62
886
0.69
980
0.86
1023
0.95
1066
1.03
2000
778
0.55
836
0.62
875
0.70
913
0.77
1004
0.94
1046
1.03
1088
1.12
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
999
0.66
1018
0.67
1036
0.68
1073
0.71
1109
0.75
1138
0.79
1300
1025
0.74
1058
0.79
1090
0.84
1121
0.87
1159
0.90
1193
0.95
1400
1042
0.81
1080
0.88
1118
0.95
1175
1.06
1206
1.09
1244
1.12
1500
1060
0.88
1098
0.96
1136
1.04
1205
1.19
1258
1.30
1289
1.34
1600
1080
0.95
1117
1.04
1153
1.12
1224
1.29
1287
1.45
1337
1.56
1700
1101
1.03
1137
1.12
1172
1.20
1241
1.38
1307
1.56
1366
1.73
1800
1122
1.11
1157
1.20
1192
1.29
1258
1.48
1323
1.67
1385
1.86
1900
1143
1.21
1179
1.30
1214
1.39
1279
1.58
1341
1.78
1402
1.98
2000
1165
1.31
1200
1.40
1235
1.49
1300
1.69
1361
1.90
1419
2.10
Bhp
—
Brake Horsepower Input to Fan
FIOP —
Factory-Installed Option
0TF
Q
0
04-
01
2
5
5
1
B
03
6-
15
0