Carrier WeatherExpert 48N2 Controls, Start-Up, Operation, Service, And Troubleshooting page 19

Table 14 — Fan Performance — 48/50N 105-150 Nominal Ton Units High-Static Return Fan Data
AIRFLOW
0.2
(cfm)
Rpm Bhp
24,000 260 2.40
28,000 296 3.51
30,000 315 4.19
32,000
333 4.95
34,000 351 5.81
36,000 370 6.78
38,000 389 7.84
40,000 408 9.03
42,000 427 10.33
44,000
446 11.76
46,000 465 13.31
48,000 484 15.01
50,000 503 16.84
52,000 522 18.83
60,000 599 28.36
AIRFLOW
2.2
(cfm)
Rpm Bhp
24,000 472 11.98
28,000 485 13.96
30,000 493 15.07
32,000 503 16.28
34,000
513 17.58
36,000 524 18.99
38,000 536 20.51
40,000 549 22.15
42,000 562 23.91
44,000 575 25.81
46,000
589 27.83
48,000 604 30.00
50,000 619 32.31
52,000 634 34.78
60,000 697 46.29
AIRFLOW
3.2
(cfm)
Rpm Bhp
24,000 561 17.94
28,000 567 20.39
30,000 572 21.73
32,000 578 23.15
34,000 586 24.66
36,000
594 26.29
38,000 604 28.02
40,000 614 29.86
42,000 624 31.84
44,000 636 33.94
46,000 648 36.18
48,000
660 38.56
50,000 673 41.08
52,000 687 43.77
60,000 744 56.17
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4
Rpm Bhp Rpm
284 3.15 308
317 4.36 337
334 5.08 353
351 5.90 369
369 6.81 386
387 7.82 403
405 8.94 420
423 10.18 437
441 11.53 455
459 13.01 473
478 14.61 491
496 16.36 509
515 18.25 527
534 20.28 545
609 30.04 619
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.4
Rpm Bhp Rpm
490 13.12 508
502 15.19 518
510 16.35 525
518 17.60 534
528 18.94 543
539 20.39 553
550 21.96 564
562 23.64 575
575 25.45 587
588 27.38 600
601 29.45 613
615 31.66 627
630 34.02 641
644 36.54 655
706 48.22 716
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4
Rpm Bhp Rpm
577 19.20 594
582 21.75 598
587 23.13 602
593 24.60 607
600 26.15 614
608 27.82 621
617 29.59 629
626 31.48 639
637 33.50 649
648 35.64 659
659 37.93 670
671 40.34 682
684 42.91 695
697 45.64 707
753 58.20 762
19
0.6 0.8
Bhp Rpm
3.96 330
5.25 357
6.03 372
6.89 387
7.85 403
8.92 419
10.08 435
11.37 452
12.76 469
14.30 486
15.95 503
17.75 521
19.69 539
21.78 556
31.75 629
2.6 2.8
Bhp Rpm
14.30 526
16.46 535
17.65 541
18.95 549
20.33 557
21.82 567
23.43 577
25.16 588
27.00 600
28.98 612
31.10 625
33.35 638
35.75 652
38.31 666
50.17 725
3.6 3.8
Bhp Rpm
20.47 610
23.13 613
24.56 616
26.06 621
27.66 627
29.37 634
31.19 642
33.12 651
35.17 661
37.36 671
39.69 682
42.16 693
44.78 705
47.54 718
60.27 771
1.0
Bhp Rpm Bhp
4.82 352 5.73
6.21 377 7.20
7.02 390 8.06
7.93 404 9.01
8.94 419 10.06
10.04 434 11.21
11.25 450 12.47
12.59 466 13.86
14.04 482 15.35
15.62 499 16.99
17.33 516 18.74
19.17 533 20.64
21.16 550 22.67
23.31 568 24.85
33.47 639 35.21
3.0
Bhp Rpm Bhp
15.49 543 16.71
17.75 551 19.05
18.98 557 20.34
20.32 564 21.72
21.75 572 23.20
23.29 581 24.77
24.94 590 26.46
26.70 601 28.27
28.59 612 30.20
30.61 624 32.26
32.76 636 34.46
35.07 649 36.81
37.50 662 39.29
40.11 676 41.93
52.15 734 54.14
4.0
Bhp Rpm Bhp
21.77 626 23.07
24.52 628 25.94
26.00 631 27.47
27.55 635 29.06
29.20 641 30.76
30.95 647 32.55
32.82 655 34.45
34.78 663 36.47
36.88 672 38.60
39.11 682 40.88
41.48 693 43.28
43.98 704 45.83
46.64 716 48.54
49.46 728 51.38
62.37 780 64.48