Carrier WeatherExpert 48N2 Controls, Start-Up, Operation, Service, And Troubleshooting page 22

Packaged rooftop cooling units with gas heat, optional electric heat, or hydronic heat and comfortlink controls version 10.x
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Table 17 — Fan Performance — 48/50N 75-105 Nominal Ton Units High-Static Power Exhaust Fan Data
AIRFLOW
0.2
(cfm)
Rpm
Bhp
15,000
185
1.91
18,000
198
2.74
21,000
212
3.82
24,000
227
5.19
27,000
243
6.87
30,000
260
8.93
33,000
277
11.38
36,000
295
14.28
39,000
313
17.67
42,000
332
21.58
45,000
351
26.04
48,000
370
31.12
51,000
389
36.84
52,500
399
39.97
AIRFLOW
1.2
(cfm)
Rpm
Bhp
15,000
390
8.15
18,000
396
9.75
21,000
403
11.66
24,000
411
13.93
27,000
419
16.56
30,000
429
19.61
33,000
440
23.08
36,000
451
27.03
39,000
463
31.49
42,000
476
36.48
45,000
489
42.06
48,000
503
48.25
51,000
52,500
AIRFLOW
2.2
(cfm)
Rpm
Bhp
15,000
519
16.17
18,000
524
18.32
21,000
529
20.86
24,000
535
23.81
27,000
542
27.18
30,000
549
31.01
33,000
557
35.32
36,000
566
40.15
39,000
576
45.53
42,000
45,000
48,000
51,000
52,500
AIRFLOW
3.2
(cfm)
Rpm
Bhp
15,000
623
25.67
18,000
626
28.29
21,000
630
31.35
24,000
635
34.87
27,000
641
38.90
30,000
647
43.40
33,000
654
48.44
36,000
39,000
42,000
45,000
48,000
51,000
52,500
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4
Rpm
Bhp
240
3.01
250
4.03
261
5.30
274
6.88
287
8.78
301
11.06
316
13.73
332
16.86
348
20.47
365
24.61
382
29.31
400
34.62
418
40.57
427
43.81
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.4
Rpm
Bhp
419
9.63
424
11.34
431
13.39
438
15.80
447
18.60
456
21.81
466
25.47
476
29.60
488
34.25
500
39.46
512
45.23
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.4
Rpm
Bhp
542
17.97
546
20.21
551
22.86
556
25.92
563
29.44
570
33.41
578
37.88
587
42.87
596
48.41
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4
Rpm
Bhp
641
27.73
645
30.44
649
33.60
654
37.23
659
41.36
665
45.99
0.6
Rpm
Bhp
Rpm
285
4.17
324
293
5.36
331
303
6.82
339
313
8.58
349
325
10.69
359
338
13.17
371
351
16.06
383
366
19.41
396
380
23.24
410
396
27.60
424
412
32.53
439
428
38.07
454
445
44.25
470
453
47.60
1.6
Rpm
Bhp
Rpm
446
11.17
472
451
13.00
477
457
15.18
482
464
17.73
489
472
20.68
496
481
24.06
504
490
27.88
513
500
32.20
523
511
37.04
534
523
42.43
545
535
48.41
2.6
Rpm
Bhp
Rpm
563
19.81
584
567
22.16
587
572
24.91
592
577
28.09
597
583
31.73
603
590
35.84
610
598
40.47
617
606
45.61
625
3.6
Rpm
Bhp
Rpm
660
29.83
677
663
32.62
680
667
35.89
684
671
39.62
689
677
43.87
694
683
48.64
22
0.8
1.0
Bhp
Rpm
5.43
358
6.75
365
8.38
372
10.32
381
12.61
391
15.29
401
18.39
412
21.94
425
25.99
437
30.57
451
35.71
465
41.48
479
47.88
1.8
2.0
Bhp
Rpm
12.77
496
14.71
501
17.02
506
19.70
512
22.80
519
26.34
527
30.33
536
34.82
545
39.84
555
45.42
566
2.8
3.0
Bhp
Rpm
21.71
603
24.15
607
27.01
611
30.30
617
34.07
622
38.33
629
43.09
636
48.39
3.8
4.0
Bhp
Rpm
31.98
694
34.85
698
38.21
701
42.06
706
46.42
711
Bhp
6.75
8.22
9.99
12.10
14.57
17.43
20.73
24.48
28.74
33.53
38.89
44.87
Bhp
14.45
16.49
18.91
21.73
24.97
28.65
32.81
37.47
42.67
48.43
Bhp
23.66
26.20
29.15
32.57
36.46
40.85
45.75
Bhp
34.18
37.14
40.60
44.53
49.00

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