12
Table 7 — Fan Performance — 48/50N 120 Nominal Ton Units Standard Supply Fan Data
LEGEND
Bhp —
Brake Horsepower
AIRFLOW
(cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.2
0.4
0.6
0.8
1.0
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
24,000
775
8.13
797
8.86
819
9.61
841
10.37
862
11.14
28,000
883
12.01
903
12.85
922
13.70
941
14.56
960
15.43
32,000
991
16.95
1008
17.89
1026
18.85
1043
19.81
1059
20.79
34,000
1045
19.86
1062
20.85
1078
21.86
1094
22.88
1110
23.91
36,000
1099
23.07
1115
24.12
1130
25.18
1145
26.25
1161
27.33
38,000
1153
26.61
1168
27.71
1183
28.83
1197
29.95
1212
31.08
40,000
1207
30.50
1221
31.65
1235
32.82
1249
33.99
1263
35.17
42,000
1261
34.74
1274
35.94
1288
37.16
1301
38.39
1315
39.63
44,000
1315
39.36
1328
40.62
1341
41.89
1354
43.16
1366
44.45
46,000
1369
44.36
1381
45.67
1394
47.00
1406
48.33
1418
49.67
48,000
1423
49.78
1435
51.14
1447
52.51
1458
53.89
1470
55.28
50,000
1477
55.61
1488
57.03
1500
58.45
1511
59.88
1522
61.33
52,000
1530
61.87
1542
63.35
—
—
—
—
—
—
56,000
—
—
—
—
—
—
—
—
—
—
AIRFLOW
(cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.2
1.4
1.6
1.8
2.0
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
24,000
883
11.92
903
12.72
924
13.53
943
14.35
963
15.18
28,000
978
16.32
997
17.22
1015
18.13
1032
19.05
1050
19.98
32,000
1076
21.78
1092
22.78
1109
23.79
1125
24.81
1141
25.84
34,000
1126
24.94
1141
26.00
1157
27.06
1172
28.13
1188
29.21
36,000
1176
28.42
1191
29.52
1206
30.64
1220
31.75
1235
32.88
38,000
1226
32.22
1240
33.38
1255
34.54
1269
35.70
1283
36.89
40,000
1277
36.37
1291
37.57
1304
38.79
1318
40.00
1331
41.23
42,000
1328
40.87
1341
42.12
1354
43.38
1367
44.66
1380
45.93
44,000
1379
45.75
1392
47.05
1404
48.36
1417
49.69
1429
51.01
46,000
1430
51.02
1443
52.37
1455
53.74
1467
55.11
1479
56.49
48,000
1482
56.69
1494
58.10
1505
59.51
1517
60.93
1528
62.36
50,000
1534
62.77
1545
64.24
—
—
—
—
—
—
52,000
—
—
—
—
—
—
—
—
—
—
56,000
—
—
—
—
—
—
—
—
—
—
AIRFLOW
(cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.2
2.4
2.6
2.8
3.0
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
24,000
982
16.02
1001
16.87
1020
17.73
1038
18.60
1056
19.48
28,000
1067
20.92
1084
21.87
1101
22.83
1118
23.80
1135
24.77
32,000
1157
26.88
1172
27.93
1188
28.98
1203
30.05
1218
31.13
34,000
1203
30.30
1218
31.39
1232
32.50
1247
33.61
1262
34.73
36,000
1249
34.02
1263
35.16
1278
36.32
1292
37.49
1306
38.66
38,000
1296
38.07
1310
39.27
1324
40.48
1337
41.69
1351
42.91
40,000
1344
42.47
1357
43.72
1371
44.97
1384
46.23
1396
47.50
42,000
1393
47.22
1405
48.52
1418
49.83
1430
51.14
1443
52.46
44,000
1441
52.35
1453
53.70
1466
55.06
1478
56.42
1490
57.79
46,000
1490
57.87
1502
59.27
1514
60.67
1526
62.09
1537
63.51
48,000
1540
63.80
—
—
—
—
—
—
—
—
50,000
—
—
—
—
—
—
—
—
—
—
52,000
—
—
—
—
—
—
—
—
—
—
56,000
—
—
—
—
—
—
—
—
—
—
AIRFLOW
(cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.2
3.4
3.6
3.8
4.0
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
24,000
1074
20.37
1092
21.26
1109
22.17
1127
23.08
1144
24.00
28,000
1151
25.76
1167
26.75
1183
27.76
1199
28.76
1215
29.79
32,000
1233
32.21
1248
33.30
1263
34.40
1277
35.50
1292
36.62
34,000
1276
35.87
1290
37.01
1305
38.16
1319
39.32
1333
40.47
36,000
1320
39.84
1333
41.03
1347
42.23
1361
43.43
1374
44.65
38,000
1364
44.14
1377
45.38
1390
46.62
1404
47.88
1416
49.13
40,000
1409
48.79
1422
50.07
1435
51.36
1447
52.67
1460
53.98
42,000
1455
53.78
1467
55.12
1480
56.47
1492
57.81
1504
59.17
44,000
1502
59.16
1514
60.55
1525
61.94
1537
63.34
1549
64.75
46,000
1549
64.93
—
—
—
—
—
—
—
—
48,000
—
—
—
—
—
—
—
—
—
—
50,000
—
—
—
—
—
—
—
—
—
—
52,000
—
—
—
—
—
—
—
—
—
—
56,000
—
—
—
—
—
—
—
—
—
—
Summary of Contents for WeatherExpert 48N2
Page 135: ...135 Fig 18 48 50N Typical Power Schematic Nominal 075 Ton Unit Shown ...
Page 136: ...136 Fig 19 48 50N Typical Power Schematic Nominal Ton 90 150 Units Shown ...
Page 137: ...137 Fig 20 48 50N Main Base Board Input Output Connections ...
Page 138: ...138 Fig 21 48 50N RXB EXB CEM Input Output Connections a48 9307 ...
Page 139: ...139 Fig 22 48 50N EXV SCB Input Output Connections a48 9308 ...
Page 140: ...140 Fig 23 48N Typical Modulating Gas Heat Unit Control Wiring ...
Page 141: ...141 Fig 24 50N Typical Electric Heat Unit Control Wiring ...
Page 144: ...144 Fig 27 48N Typical Gas Heat Section Wiring Nominal Ton 120 to 150 Units ...
Page 145: ...145 Fig 28 48 50N Typical Power Component Control Wiring 460 v ...
Page 146: ...146 Fig 29 48 50N Component Control Wiring 575 v Nominal Ton 075 to 150 Units ...
Page 147: ...147 Fig 30 48 50N Component Arrangement Power Box ...
Page 148: ...148 Fig 31 48 50N Component Arrangement Control Box ...
Page 240: ...240 APPENDIX D VFD INFORMATION CONT Fig G VFD Bypass Wiring Diagram WHEN USED ...