22
Table 17 — Fan Performance — 48/50N 75-105 Nominal Ton Units High-Static Power Exhaust Fan Data
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
15,000
185
1.91
240
3.01
285
4.17
324
5.43
358
6.75
18,000
198
2.74
250
4.03
293
5.36
331
6.75
365
8.22
21,000
212
3.82
261
5.30
303
6.82
339
8.38
372
9.99
24,000
227
5.19
274
6.88
313
8.58
349
10.32
381
12.10
27,000
243
6.87
287
8.78
325
10.69
359
12.61
391
14.57
30,000
260
8.93
301
11.06
338
13.17
371
15.29
401
17.43
33,000
277
11.38
316
13.73
351
16.06
383
18.39
412
20.73
36,000
295
14.28
332
16.86
366
19.41
396
21.94
425
24.48
39,000
313
17.67
348
20.47
380
23.24
410
25.99
437
28.74
42,000
332
21.58
365
24.61
396
27.60
424
30.57
451
33.53
45,000
351
26.04
382
29.31
412
32.53
439
35.71
465
38.89
48,000
370
31.12
400
34.62
428
38.07
454
41.48
479
44.87
51,000
389
36.84
418
40.57
445
44.25
470
47.88
—
—
52,500
399
39.97
427
43.81
453
47.60
—
—
—
—
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
15,000
390
8.15
419
9.63
446
11.17
472
12.77
496
14.45
18,000
396
9.75
424
11.34
451
13.00
477
14.71
501
16.49
21,000
403
11.66
431
13.39
457
15.18
482
17.02
506
18.91
24,000
411
13.93
438
15.80
464
17.73
489
19.70
512
21.73
27,000
419
16.56
447
18.60
472
20.68
496
22.80
519
24.97
30,000
429
19.61
456
21.81
481
24.06
504
26.34
527
28.65
33,000
440
23.08
466
25.47
490
27.88
513
30.33
536
32.81
36,000
451
27.03
476
29.60
500
32.20
523
34.82
545
37.47
39,000
463
31.49
488
34.25
511
37.04
534
39.84
555
42.67
42,000
476
36.48
500
39.46
523
42.43
545
45.42
566
48.43
45,000
489
42.06
512
45.23
535
48.41
—
—
—
—
48,000
503
48.25
—
—
—
—
—
—
—
—
51,000
—
—
—
—
—
—
—
—
—
—
52,500
—
—
—
—
—
—
—
—
—
—
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
15,000
519
16.17
542
17.97
563
19.81
584
21.71
603
23.66
18,000
524
18.32
546
20.21
567
22.16
587
24.15
607
26.20
21,000
529
20.86
551
22.86
572
24.91
592
27.01
611
29.15
24,000
535
23.81
556
25.92
577
28.09
597
30.30
617
32.57
27,000
542
27.18
563
29.44
583
31.73
603
34.07
622
36.46
30,000
549
31.01
570
33.41
590
35.84
610
38.33
629
40.85
33,000
557
35.32
578
37.88
598
40.47
617
43.09
636
45.75
36,000
566
40.15
587
42.87
606
45.61
625
48.39
—
—
39,000
576
45.53
596
48.41
—
—
—
—
—
—
42,000
—
—
—
—
—
—
—
—
—
—
45,000
—
—
—
—
—
—
—
—
—
—
48,000
—
—
—
—
—
—
—
—
—
—
51,000
—
—
—
—
—
—
—
—
—
—
52,500
—
—
—
—
—
—
—
—
—
—
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
15,000
623
25.67
641
27.73
660
29.83
677
31.98
694
34.18
18,000
626
28.29
645
30.44
663
32.62
680
34.85
698
37.14
21,000
630
31.35
649
33.60
667
35.89
684
38.21
701
40.60
24,000
635
34.87
654
37.23
671
39.62
689
42.06
706
44.53
27,000
641
38.90
659
41.36
677
43.87
694
46.42
711
49.00
30,000
647
43.40
665
45.99
683
48.64
—
—
—
—
33,000
654
48.44
—
—
—
—
—
—
—
—
36,000
—
—
—
—
—
—
—
—
—
—
39,000
—
—
—
—
—
—
—
—
—
—
42,000
—
—
—
—
—
—
—
—
—
—
45,000
—
—
—
—
—
—
—
—
—
—
48,000
—
—
—
—
—
—
—
—
—
—
51,000
—
—
—
—
—
—
—
—
—
—
52,500
—
—
—
—
—
—
—
—
—
—
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 ...