Carrier WeatherExpert 48N2 Controls, Start-Up, Operation, Service, And Troubleshooting page 10

Table 5 — Fan Performance — 48/50N 105 Nominal Ton Units Standard Supply Fan Data
AIRFLOW
0.2
(cfm)
Rpm
21,000 974
25,000 1132
27,000 1213
29,000 1294
31,000 1377
33,000
1461
35,000
1546
37,000 1632
39,000 1719
41,000 —
42,000 —
44,000 —
46,000 —
48,000
—
52,500 —
AIRFLOW
1.2
(cfm)
Rpm
21,000 1084
25,000 1227
27,000 1302
29,000 1378
31,000
1456
33,000 1536
35,000 1617
37,000 1699
39,000 1782
41,000 —
42,000 —
44,000
—
46,000 —
48,000 —
52,500 —
AIRFLOW
2.2
(cfm)
Rpm
21,000 1187
25,000 1318
27,000
1387
29,000 1459
31,000 1532
33,000 1608
35,000 1685
37,000 1764
39,000 —
41,000
—
42,000
—
44,000 —
46,000 —
48,000 —
52,500 —
AIRFLOW
3.2
(cfm)
Rpm
21,000
1283
25,000
1404
27,000 1468
29,000 1536
31,000 1605
33,000 1677
35,000 1751
37,000 —
39,000
—
41,000 —
42,000 —
44,000 —
46,000 —
48,000 —
52,500 —
LEGEND
Bhp — Brake Horsepower
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4
Bhp Rpm Bhp
8.74 996 9.38
13.69 1151 14.44
16.82 1231 17.62
20.43 1312 21.30
24.60 1393 25.51
29.35 1476 30.33
34.75 1560 35.78
40.86 1645 41.94
47.72 1732 48.87
— — —
— — —
— — —
— — —
— — —
— — —
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.4
Bhp Rpm Bhp
12.05 1105 12.74
17.54 1246 18.33
20.93 1319 21.78
24.82 1395 25.73
29.26 1472 30.22
34.29 1550 35.30
39.98 1630 41.04
46.36 1712 47.49
53.52 1795 54.70
— — —
— — —
— — —
— — —
— — —
— — —
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.4
Bhp Rpm Bhp
15.58 1207 16.31
21.58 1335 22.41
25.24 1404 26.12
29.40 1474 30.33
34.10 1547 35.09
39.40 1622 40.44
45.36 1698 46.46
52.03 1777 53.18
— — —
— — —
— — —
— — —
— — —
— — —
— — —
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4
Bhp Rpm Bhp
19.29 1302 20.05
25.80 1420 26.67
29.71 1484 30.63
34.13 1551 35.10
39.10 1620 40.11
44.67 1691 45.74
50.89 1764 52.01
— — —
— — —
— — —
— — —
— — —
— — —
— — —
— — —
0.6
Rpm Bhp Rpm
1019 10.03 1041
1171 15.20 1190
1249 18.44 1267
1328 22.17 1345
1409 26.44 1425
1491 31.31 1506
1575 36.82 1589
1659 43.04 1672
1744 50.03 1757
— — —
— — —
— — —
— — —
— — —
— — —
1.6
Rpm Bhp Rpm
1126 13.44 1147
1264 19.13 1282
1336 22.63 1353
1411 26.63 1427
1487 31.18 1502
1565 36.32 1579
1644 42.12 1658
1725 48.61 1738
— — —
— — —
— — —
— — —
— — —
— — —
— — —
2.6
Rpm Bhp Rpm
1226 17.04 1245
1353 23.25 1370
1420 27.01 1436
1490 31.27 1505
1562 36.08 1576
1636 41.49 1650
1712 47.55 1725
1789 54.33 —
— — —
— — —
— — —
— — —
— — —
— — —
— — —
3.6
Rpm Bhp Rpm
1320 20.82 1338
1437 27.53 1453
1500 31.55 1515
1566 36.07 1580
1634 41.14 1648
1704 46.81 1718
1777 53.14 1790
— — —
— — —
— — —
— — —
— — —
— — —
— — —
— — —
10
0.8 1.0
Bhp Rpm
10.70 1063
15.97 1209
19.26 1284
23.05 1362
27.37 1441
32.30 1521
37.87 1603
44.14 1686
51.19 1770
— —
— —
— —
— —
— —
— —
1.8 2.0
Bhp Rpm
14.14 1167
19.94 1300
23.50 1370
27.55 1443
32.14 1517
37.34 1593
43.19 1671
49.74 1751
— —
— —
— —
— —
— —
— —
— —
2.8 3.0
Bhp Rpm
17.78 1264
24.09 1387
27.90 1452
32.22 1520
37.08 1591
42.54 1663
48.66 1738
— —
— —
— —
— —
— —
— —
— —
— —
3.8 4.0
Bhp Rpm
21.59 1356
28.41 1470
32.47 1531
37.05 1595
42.16 1662
47.89 1731
54.28 —
— —
— —
— —
— —
— —
— —
— —
— —
Bhp
11.37
16.75
20.09
23.93
28.31
33.29
38.92
45.25
52.35
—
—
—
—
—
—
Bhp
14.86
20.76
24.37
28.47
33.12
38.37
44.27
50.88
—
—
—
—
—
—
—
Bhp
18.53
24.94
28.81
33.17
38.09
43.61
49.78
—
—
—
—
—
—
—
—
Bhp
22.37
29.29
33.41
38.03
43.20
48.98
—
—
—
—
—
—
—
—
—