Bryant DURAPAC PLUS 581A Installation And Service Instructions Manual page 28

Table 22 — Fan Performance — 581A300 High Heat Horizontal Discharge Units*
AIRFLOW
0.2
(Cfm)
Rpm Bhp
6,500 799 2,730
7,000 856 3,294
7,500 913 3,929
8,000 971 4,637
8,500 1029 5,421
9,000 1087 6,285
9,500 1145 7,231
10,000 1203 8,262
10,500 1261 9,381
11,000 1320 10,592
11,500 1378 11,896
12,000 — —
12,500 — —
AIRFLOW
1.2
(Cfm)
Rpm Bhp
6,500 1005 4,020
7,000 1041 4,555
7,500 1080 5,168
8,000 1122 5,862
8,500 1167 6,638
9,000 1214 7,499
9,500 1262 8,447
10,000 1312 9,482
10,500 1363 10,608
11,000 — —
11,500 — —
12,000 — —
12,500 — —
LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 941-1176
High Range: 1014-1297
All other rpms require field-supplied drive.
LOW SPEED
AIRFLOW
208 V
(Cfm)
ESP Bhp Watts
3250 0.32 1.41 1580
3350 0.23 1.44 1610
3450 0.17 1.46 1635
3550 0.13 1.47 1645
3650 0.09 1.49 1665
3750 — — —
3850 — — —
3950 — — —
4050 — — —
4250 — — —
4450 — — —
4650 — — —
4850 — — —
5050 — — —
5250 — — —
5450 — — —
5650 — — —
5850 — — —
LEGEND
ESP — External Static Pressure (in. wg)
EXTERNAL STATIC PRESSURE (in. wg)
0.4
Watts Rpm Bhp Watts
3.14 833 2,914 3.35
3.79 887 3,481 4.00
4.52 941 4,118 4.74
5.33 996 4,829 5.55
6.24 1052 5,617 6.46
7.23 1108 6,484 7.46
8.32 1165 7,433 8.55
9.50 1222 8,468 9.74
10.79 1279 9,592 11.03
12.18 1337 10,807 12.43
13.68 — — —
— — — —
— — — —
EXTERNAL STATIC PRESSURE (in. wg)
1.4
Watts Rpm Bhp Watts
4.62 1052 4,390 5.05
5.24 1084 4,908 5.64
5.94 1119 5,508 6.33
6.74 1158 6,190 7.12
7.63 1200 6,959 8.00
8.63 1244 7,813 8.99
9.72 1290 8,754 10.07
10.91 1338 9,785 11.25
12.20 1387 10,909 12.55
— — — —
— — — —
— — — —
— — — —
Table 23 — Power Exhaust Fan Performance
230,460,575 V
ESP Bhp Watts ESP
0.70 1.49 1670 —
0.63 1.52 1700 0.60
0.59 1.55 1730 0.55
0.56 1.56 1745 0.49
0.53 1.58 1765 0.43
0.51 1.60 1790 0.39
0.48 1.62 1810 0.33
0.45 1.64 1835 0.27
0.40 1.67 1865 0.22
— — — 0.17
— — — 0.00
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
0.6
Rpm Bhp Watts Rpm
872 3,135 3.61 914
921 3,699 4.25 958
972 4,335 4.99 1006
1024 5,046 5.80 1055
1078 5,835 6.71 1106
1132 6,703 7.71 1158
1187 7,655 8.80 1211
1243 8,693 10.00 1265
1299 9,820 11.29 1319
1355 11,038 12.70 1374
— — — —
— — — —
— — — —
1.6
Rpm Bhp Watts Rpm
1100 4,791 5.51 1148
1128 5,294 6.09 1172
1160 5,878 6.76 1201
1195 6,548 7.53 1233
1234 7,305 8.40 1269
1275 8,149 9.37 1308
1319 9,084 10.45 1349
1365 10,110 11.63 1392
— — — —
— — — —
— — — —
— — — —
— — — —
Refer to page 23 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 8.63
High Range: 11.50
MEDIUM SPEED
208 V 230,460,575 V
Bhp Watts ESP Bhp Watts
— — — —
1.51 1690 0.82 1.62 1810
1.54 1720 0.78 1.64 1840
1.56 1750 0.73 1.67 1870
1.59 1780 0.68 1.70 1900
1.62 1815 0.64 1.72 1930
1.64 1835 0.59 1.74 1950
1.66 1860 0.54 1.76 1975
1.68 1885 0.49 1.79 2000
1.74 1945 0.40 1.84 2060
1.79 2005 0.30 1.89 2115
— — 0.22 1.94 2170
— — 0.16 1.98 2215
— — 0.12 2.02 2260
— — — —
— — — —
— — — —
— — — —
— 28 —
0.8
Bhp Watts Rpm
3,392 3.90 958
3,950 4.54 999
4,582 5.27 1042
5,290 6.08 1088
6,077 6.99 1136
6,946 7.99 1185
7,898 9.08 1236
8,936 10.28 1288
10,065 11.58 1341
11,284 12.98 1394
— — —
— — —
— — —
1.8
Bhp Watts Rpm
5,221 6.00 1195
5,710 6.57 1217
6,279 7.22 1242
6,934 7.97 1272
7,677 8.83 1304
8,511 9.79 1340
9,437 10.85 1379
10,454 12.02 —
— — —
— — —
— — —
— — —
— — —
HIGH SPEED
208 V
ESP Bhp Watts ESP
— — — — —
— — — —
— — — —
— — — —
— — — —
— — — —
0.60 1.85 2070 0.73
0.56 1.87 2095 0.69
0.51 1.89 2120 0.65
0.41 1.92 2145 0.56
0.31 1.97 2205 0.47
0.20 2.04 2280 0.37
0.11 2.09 2335 0.30
0.04 2.13 2385 0.23
— — — — 0.17
— — — — 0.12
— — — — 0.07
— — — — 0.04
1.0
Bhp Watts
3,687 4.24
4,235 4.87
4,860 5.59
5,562 6.40
6,345 7.30
7,211 8.29
8,161 9.39
9,199 10.58
10,327 11.88
11,547 13.28
— —
— —
— —
2.0
Bhp Watts
5673 6.52
6153 7.08
6708 7.71
7347 8.45
8076 9.29
8896 10.23
9812 11.28
— —
— —
— —
— —
— —
— —
230,460,575 V
Bhp Watts
— —
— —
— —
— —
— —
— —
1.99 2230
2.01 2255
2.04 2280
2.06 2310
2.12 2370
2.19 2450
2.24 2505
2.28 2555
2.33 2610
2.38 2665
2.40 2690
2.42 2710