Bryant DURAPAC PLUS 581A Installation And Service Instructions Manual page 26

Durapac plus series single package rooftop electric cooling/gas heating units
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Table 18 — Fan Performance — 581A240 Medium Heat Horizontal Discharge Units*
AIRFLOW
0.2
(Cfm)
Rpm
Bhp
3,500
652
1123
4,000
725
1479
4,500
800
1897
5,000
875
2383
5,500
952
2937
6,000
1029
3249
6,500
1106
4061
7,000
1184
5003
7,500
1262
6083
8,000
1341
7312
8,500
9,000
9,500
10,000
AIRFLOW
1.2
(Cfm)
Rpm
Bhp
3,500
970
2213
4,000
1019
2393
4,500
1073
2920
5,000
1130
3537
5,500
1189
4257
6,000
1251
5086
6,500
1315
6035
7,000
1381
7114
7,500
8,000
8,500
9,000
9,500
10,000
LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts
— Input Watts to Motor
*Motor drive ranges:
Low Range: 1113-1414
High Range: 1096-1339
All other rpms require field-supplied drive.
Table 19 — Fan Performance — 581A240 High Heat Horizontal Discharge Units*
AIRFLOW
0.2
(Cfm)
Rpm
Bhp
3,500
652
1123
4,000
725
1479
4,500
800
1897
5,000
875
2383
5,500
952
2937
6,000
1029
3249
6,500
1106
4061
7,000
1184
5003
7,500
1262
6083
8,000
1341
7312
8,500
9,000
9,500
10,000
AIRFLOW
1.2
(Cfm)
Rpm
Bhp
3,500
970
2213
4,000
1019
2393
4,500
1073
2920
5,000
1130
3537
5,500
1189
4257
6,000
1251
5086
6,500
1315
6035
7,000
1381
7114
7,500
8,000
8,500
9,000
9,500
10,000
LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts
— Input Watts to Motor
*Motor drive ranges:
Low Range: 1113-1414
High Range: 1096-1339
All other rpms require field-supplied drive.
EXTERNAL STATIC PRESSURE (in. wg)
0.4
Watts
Rpm
Bhp
Watts
1.29
726
1347
1.55
1.70
792
1716
1.97
2.18
861
2148
2.47
2.74
931
2645
3.04
3.38
1003
2883
3.32
3.74
1077
3605
4.15
4.67
1151
4445
5.11
5.75
1226
5414
6.23
7.00
1302
6522
7.50
8.41
1378
7779
8.95
EXTERNAL STATIC PRESSURE (in. wg)
1.4
Watts
Rpm
Bhp
Watts
2.55
1022
2203
2.53
2.75
1069
2673
3.07
3.36
1120
3226
3.71
4.07
1174
3870
4.45
4.90
1232
4614
5.31
5.85
1292
5469
6.29
6.94
1354
6446
7.41
8.18
EXTERNAL STATIC PRESSURE (in. wg)
0.4
Watts
Rpm
Bhp
Watts
1.29
726
1347
1.55
1.70
792
1716
1.97
2.18
861
2148
2.47
2.74
931
2645
3.04
3.38
1003
2883
3.32
3.74
1077
3605
4.15
4.67
1151
4445
5.11
5.75
1226
5414
6.23
7.00
1302
6522
7.50
8.41
1378
7779
8.95
EXTERNAL STATIC PRESSURE (in. wg)
1.4
Watts
Rpm
Bhp
Watts
2.55
1022
2203
2.53
2.75
1069
2673
3.07
3.36
1120
3226
3.71
4.07
1174
3870
4.45
4.90
1232
4614
5.31
5.85
1292
5469
6.29
6.94
1354
6446
7.41
8.18
0.6
Rpm
Bhp
Watts
Rpm
793
1567
1.80
856
854
1950
2.24
912
918
2395
2.75
972
984
2904
3.34
1035
1053
3217
3.70
1100
1123
3966
4.56
1167
1194
4834
5.56
1236
1266
5831
6.71
1306
1340
6967
8.01
1377
1.6
Rpm
Bhp
Watts
Rpm
1072
2464
2.83
1120
1117
2959
3.40
1163
1165
3537
4.07
1209
1218
4207
4.84
1259
1273
4977
5.72
1313
1331
5859
6.74
1369
1391
6861
7.89
Refer to page 23 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 5.75
High Range: 8.63
0.6
Rpm
Bhp
Watts
Rpm
793
1567
1.80
856
854
1950
2.24
912
918
2395
2.75
972
984
2904
3.34
1035
1053
3217
3.70
1100
1123
3966
4.56
1167
1194
4834
5.56
1236
1266
5831
6.71
1306
1340
6967
8.01
1377
1.6
Rpm
Bhp
Watts
Rpm
1072
2464
2.83
1120
1117
2959
3.40
1163
1165
3537
4.07
1209
1218
4207
4.84
1259
1273
4977
5.72
1313
1331
5859
6.74
1369
1391
6861
7.89
Refer to page 23 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 5.75
High Range: 8.63
26
0.8
1.0
Bhp
Watts
Rpm
Bhp
1784
2.05
914
2000
2182
2.51
967
2412
2639
3.04
1024
2620
2892
3.33
1083
3212
3558
4.09
1145
3905
4334
4.98
1210
4707
5229
6.01
1276
5629
6253
7.19
1344
6681
7417
8.53
1.8
2.0
Bhp
Watts
Rpm
Bhp
2730
3.14
1166
3002
3251
3.74
1207
3548
3854
4.43
1252
4176
4549
5.23
1300
4896
5345
6.15
1352
5719
6253
7.19
0.8
1.0
Bhp
Watts
Rpm
Bhp
1784
2.05
914
2000
2182
2.51
967
2412
2639
3.04
1024
2620
2892
3.33
1083
3212
3558
4.09
1145
3905
4334
4.98
1210
4707
5229
6.01
1276
5629
6253
7.19
1344
6681
7417
8.53
1.8
2.0
Bhp
Watts
Rpm
Bhp
2730
3.14
1166
3002
3251
3.74
1207
3548
3854
4.43
1252
4176
4549
5.23
1300
4896
5345
6.15
1352
5719
6253
7.19
Watts
2.30
2.77
3.01
3.69
4.49
5.41
6.47
7.68
Watts
3.45
4.08
4.80
5.63
6.58
Watts
2.30
2.77
3.01
3.69
4.49
5.41
6.47
7.68
Watts
3.45
4.08
4.80
5.63
6.58

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