Carrier WeatherExpert 48N2 Controls, Start-Up, Operation, Service, And Troubleshooting page 8

Table 3 — Fan Performance — 48/50N 75-90 Nominal Ton Units Standard Supply Fan Data
AIRFLOW
0.2
(cfm)
Rpm
15,000 734
18,000 846
20,000 923
22,000 1001
24,000 1080
26,000
1159
28,000
1238
30,000 1318
32,000 1399
34,000 1479
36,000 1560
38,000 1641
40,000 1722
42,000
—
45,000 —
AIRFLOW
1.2
(cfm)
Rpm
15,000 878
18,000 973
20,000 1039
22,000 1108
24,000
1179
26,000
1252
28,000 1326
30,000 1400
32,000 1476
34,000 1553
36,000 1630
38,000 1707
40,000
1785
42,000 —
45,000 —
AIRFLOW
2.2
(cfm)
Rpm
15,000 1006
18,000 1087
20,000 1146
22,000
1209
24,000 1273
26,000 1340
28,000 1409
30,000 1479
32,000 1551
34,000 1623
36,000
1697
38,000 1772
40,000 —
42,000 —
45,000 —
AIRFLOW
3.2
(cfm)
Rpm
15,000 1122
18,000 1193
20,000 1246
22,000 1303
24,000 1362
26,000 1424
28,000 1488
30,000
1555
32,000 1623
34,000 1692
36,000 1762
38,000 —
40,000 —
42,000 —
45,000
—
LEGEND
Bhp — Brake Horsepower
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4
Bhp Rpm Bhp
3.74 764 4.22
5.75 873 6.30
7.45 947 8.06
9.48 1023 10.14
11.87 1100 12.59
14.65 1178 15.43
17.86 1256 18.69
21.52 1335 22.41
25.68 1414 26.61
30.35 1494 31.33
35.56 1574 36.61
41.36 1655 42.46
47.77 1735 48.92
— — —
— — —
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.4
Bhp Rpm Bhp
6.25 905 6.79
8.64 996 9.25
10.61 1061 11.26
12.90 1129 13.61
15.56 1199 16.32
18.61 1270 19.42
22.09 1343 22.95
26.02 1416 26.94
30.44 1491 31.41
35.37 1567 36.39
40.86 1643 41.94
46.93 1720 48.06
53.61 1798 54.80
— — —
— — —
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.4
Bhp Rpm Bhp
9.01 1030 9.58
11.77 1109 12.42
13.99 1167 14.69
16.54 1228 17.29
19.45 1291 20.25
22.76 1357 23.61
26.49 1425 27.39
30.68 1494 31.64
35.37 1565 36.37
40.57 1637 41.63
46.32 1710 47.43
52.66 1784 53.81
— — —
— — —
— — —
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4
Bhp Rpm Bhp
11.94 1145 12.55
15.09 1214 15.77
17.55 1265 18.29
20.36 1321 21.14
23.52 1379 24.35
27.08 1440 27.96
31.07 1504 32.01
35.52 1570 36.50
40.46 1637 41.49
45.92 1705 47.01
51.92 1775 53.06
— — —
— — —
— — —
— — —
0.6
Rpm Bhp Rpm
794 4.71 823
898 6.87 924
971 8.68 994
1045 10.82 1066
1120 13.32 1140
1197 16.21 1215
1274 19.52 1291
1352 23.30 1368
1430 27.56 1446
1509 32.34 1524
1588 37.66 1602
1668 43.57 1681
1748 50.09 1760
— — —
— — —
1.6
Rpm Bhp Rpm
931 7.33 957
1020 9.87 1043
1083 11.94 1104
1149 14.33 1169
1218 17.09 1236
1288 20.24 1305
1359 23.83 1376
1432 27.86 1448
1506 32.39 1521
1581 37.43 1595
1657 43.03 1670
1733 49.20 1746
— — —
— — —
— — —
2.6
Rpm Bhp Rpm
1054 10.16 1077
1131 13.08 1152
1187 15.39 1207
1247 18.05 1266
1309 21.06 1327
1374 24.47 1391
1441 28.30 1457
1510 32.60 1525
1580 37.39 1594
1651 42.69 1665
1723 48.55 1737
1797 54.98 —
— — —
— — —
— — —
3.6
Rpm Bhp Rpm
1166 13.16 1188
1234 16.46 1253
1284 19.03 1303
1339 21.93 1357
1396 25.19 1413
1457 28.86 1473
1519 32.94 1535
1584 37.50 1599
1651 42.53 1665
1719 48.09 1732
1788 54.21 —
— — —
— — —
— — —
— — —
8
0.8 1.0
Bhp Rpm
5.22 851
7.45 948
9.31 1017
11.50 1088
14.05 1160
17.00 1234
20.37 1308
24.20 1384
28.51 1461
33.34 1538
38.72 1616
44.68 1694
51.25 1773
— —
— —
1.8 2.0
Bhp Rpm
7.88 982
10.50 1065
12.61 1125
15.06 1189
17.87 1255
21.08 1323
24.71 1392
28.79 1464
33.37 1536
38.47 1609
44.11 1684
50.35 1759
— —
— —
— —
2.8 3.0
Bhp Rpm
10.75 1100
13.74 1173
16.11 1227
18.81 1284
21.87 1345
25.33 1408
29.22 1473
33.56 1540
38.40 1608
43.76 1678
49.67 1750
— —
— —
— —
— —
3.8 4.0
Bhp Rpm
13.78 1209
17.16 1273
19.77 1322
22.72 1374
26.04 1430
29.75 1489
33.89 1550
38.49 1613
43.58 1679
49.20 1745
— —
— —
— —
— —
— —
Bhp
5.73
8.04
9.95
12.20
14.80
17.80
21.22
25.10
29.47
34.36
39.78
45.80
52.43
—
—
Bhp
8.44
11.13
13.29
15.79
18.66
21.91
25.60
29.73
34.37
39.51
45.21
51.49
—
—
—
Bhp
11.34
14.41
16.83
19.58
22.69
26.20
30.14
34.54
39.43
44.83
50.79
—
—
—
—
Bhp
14.40
17.86
20.53
23.52
26.89
30.65
34.84
39.49
44.64
50.30
—
—
—
—
—