Carrier WeatherExpert 48N2 Controls, Start-Up, Operation, Service, And Troubleshooting page 12

Table 7 — Fan Performance — 48/50N 120 Nominal Ton Units Standard Supply Fan Data
AIRFLOW
0.2
(cfm)
Rpm
24,000 775
28,000 883
32,000 991
34,000
1045
36,000 1099
38,000 1153
40,000 1207
42,000 1261
44,000 1315
46,000 1369
48,000
1423
50,000
1477
52,000 1530
56,000 —
AIRFLOW
1.2
(cfm)
Rpm
24,000 883
28,000 978
32,000 1076
34,000
1126
36,000 1176
38,000 1226
40,000 1277
42,000 1328
44,000 1379
46,000 1430
48,000
1482
50,000
1534
52,000 —
56,000 —
AIRFLOW
2.2
(cfm)
Rpm
24,000 982
28,000 1067
32,000
1157
34,000 1203
36,000 1249
38,000 1296
40,000 1344
42,000 1393
44,000 1441
46,000
1490
48,000
1540
50,000 —
52,000 —
56,000 —
AIRFLOW
3.2
(cfm)
Rpm
24,000 1074
28,000
1151
32,000
1233
34,000 1276
36,000 1320
38,000 1364
40,000 1409
42,000 1455
44,000 1502
46,000
1549
48,000 —
50,000 —
52,000 —
56,000 —
LEGEND
Bhp — Brake Horsepower
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4
Bhp Rpm Bhp
8.13 797 8.86
12.01 903 12.85
16.95 1008 17.89
19.86 1062 20.85
23.07 1115 24.12
26.61 1168 27.71
30.50 1221 31.65
34.74 1274 35.94
39.36 1328 40.62
44.36 1381 45.67
49.78 1435 51.14
55.61 1488 57.03
61.87 1542 63.35
— — —
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.4
Bhp Rpm Bhp
11.92 903 12.72
16.32 997 17.22
21.78 1092 22.78
24.94 1141 26.00
28.42 1191 29.52
32.22 1240 33.38
36.37 1291 37.57
40.87 1341 42.12
45.75 1392 47.05
51.02 1443 52.37
56.69 1494 58.10
62.77 1545 64.24
— — —
— — —
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.4
Bhp Rpm Bhp
16.02 1001 16.87
20.92 1084 21.87
26.88 1172 27.93
30.30 1218 31.39
34.02 1263 35.16
38.07 1310 39.27
42.47 1357 43.72
47.22 1405 48.52
52.35 1453 53.70
57.87 1502 59.27
63.80 — —
— — —
— — —
— — —
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4
Bhp Rpm Bhp
20.37 1092 21.26
25.76 1167 26.75
32.21 1248 33.30
35.87 1290 37.01
39.84 1333 41.03
44.14 1377 45.38
48.79 1422 50.07
53.78 1467 55.12
59.16 1514 60.55
64.93 — —
— — —
— — —
— — —
— — —
0.6
Rpm Bhp Rpm
819 9.61 841
922 13.70 941
1026 18.85 1043
1078 21.86 1094
1130 25.18 1145
1183 28.83 1197
1235 32.82 1249
1288 37.16 1301
1341 41.89 1354
1394 47.00 1406
1447 52.51 1458
1500 58.45 1511
— — —
— — —
1.6
Rpm Bhp Rpm
924 13.53 943
1015 18.13 1032
1109 23.79 1125
1157 27.06 1172
1206 30.64 1220
1255 34.54 1269
1304 38.79 1318
1354 43.38 1367
1404 48.36 1417
1455 53.74 1467
1505 59.51 1517
— — —
— — —
— — —
2.6
Rpm Bhp Rpm
1020 17.73 1038
1101 22.83 1118
1188 28.98 1203
1232 32.50 1247
1278 36.32 1292
1324 40.48 1337
1371 44.97 1384
1418 49.83 1430
1466 55.06 1478
1514 60.67 1526
— — —
— — —
— — —
— — —
3.6
Rpm Bhp Rpm
1109 22.17 1127
1183 27.76 1199
1263 34.40 1277
1305 38.16 1319
1347 42.23 1361
1390 46.62 1404
1435 51.36 1447
1480 56.47 1492
1525 61.94 1537
— — —
— — —
— — —
— — —
— — —
12
0.8 1.0
Bhp Rpm
10.37 862
14.56 960
19.81 1059
22.88 1110
26.25 1161
29.95 1212
33.99 1263
38.39 1315
43.16 1366
48.33 1418
53.89 1470
59.88 1522
— —
— —
1.8 2.0
Bhp Rpm
14.35 963
19.05 1050
24.81 1141
28.13 1188
31.75 1235
35.70 1283
40.00 1331
44.66 1380
49.69 1429
55.11 1479
60.93 1528
— —
— —
— —
2.8 3.0
Bhp Rpm
18.60 1056
23.80 1135
30.05 1218
33.61 1262
37.49 1306
41.69 1351
46.23 1396
51.14 1443
56.42 1490
62.09 1537
— —
— —
— —
— —
3.8 4.0
Bhp Rpm
23.08 1144
28.76 1215
35.50 1292
39.32 1333
43.43 1374
47.88 1416
52.67 1460
57.81 1504
63.34 1549
— —
— —
— —
— —
— —
Bhp
11.14
15.43
20.79
23.91
27.33
31.08
35.17
39.63
44.45
49.67
55.28
61.33
—
—
Bhp
15.18
19.98
25.84
29.21
32.88
36.89
41.23
45.93
51.01
56.49
62.36
—
—
—
Bhp
19.48
24.77
31.13
34.73
38.66
42.91
47.50
52.46
57.79
63.51
—
—
—
—
Bhp
24.00
29.79
36.62
40.47
44.65
49.13
53.98
59.17
64.75
—
—
—
—
—