Carrier WeatherExpert 48N2 Controls, Start-Up, Operation, Service, And Troubleshooting page 9

Table 4 — Fan Performance — 48/50N 75-90 Nominal Ton Units High-Static Supply Fan Data
AIRFLOW
0.2
(cfm)
Rpm
15,000 315
18,000 364
20,000 397
22,000 431
24,000 465
26,000
499
28,000
534
30,000 569
32,000 605
34,000 640
36,000 676
38,000 711
40,000 747
42,000
783
45,000 837
AIRFLOW
1.2
(cfm)
Rpm
15,000 491
18,000 517
20,000 538
22,000 562
24,000
587
26,000 613
28,000 641
30,000 670
32,000 699
34,000 729
36,000 760
38,000
792
40,000 824
42,000 856
45,000 905
AIRFLOW
2.2
(cfm)
Rpm
15,000 636
18,000 649
20,000
662
22,000 678
24,000 697
26,000 717
28,000 739
30,000 763
32,000 788
34,000
814
36,000
841
38,000 869
40,000 897
42,000 927
45,000 972
AIRFLOW
3.2
(cfm)
Rpm
15,000
762
18,000
766
20,000 774
22,000 784
24,000 798
26,000 813
28,000 831
30,000 851
32,000
872
34,000 894
36,000 918
38,000 943
40,000 968
42,000 995
45,000 1036
LEGEND
Bhp — Brake Horsepower
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4
Bhp Rpm Bhp
2.56 354 3.34
3.68 397 4.50
4.59 427 5.45
5.64 458 6.53
6.85 490 7.76
8.20 523 9.14
9.72 556 10.69
11.40 590 12.40
13.26 624 14.29
15.30 658 16.35
17.51 693 18.59
19.92 728 21.03
22.53 763 23.66
25.33 798 26.49
29.92 851 31.12
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.4
Bhp Rpm Bhp
7.05 522 8.09
8.27 545 9.32
9.28 564 10.33
10.43 586 11.49
11.74 609 12.82
13.21 635 14.30
14.84 661 15.94
16.64 689 17.76
18.62 717 19.75
20.77 747 21.92
23.11 777 24.29
25.63 808 26.83
28.36 839 29.57
31.28 870 32.51
36.04 919 37.31
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.4
Bhp Rpm Bhp
12.66 662 13.90
13.85 674 15.06
14.86 685 16.06
16.03 700 17.24
17.38 717 18.58
18.90 737 20.11
20.59 758 21.81
22.46 781 23.69
24.51 805 25.75
26.74 830 27.99
29.17 857 30.43
31.78 884 33.06
34.59 912 35.88
37.60 941 38.91
42.51 985 43.84
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4
Bhp Rpm Bhp
19.13 785 20.51
20.19 788 21.54
21.15 795 22.49
22.30 805 23.62
23.64 817 24.96
25.17 832 26.49
26.89 849 28.21
28.79 868 30.11
30.88 888 32.21
33.17 910 34.50
35.65 933 36.98
38.32 957 39.67
41.20 982 42.56
44.27 1008 45.66
49.29 1049 50.68
0.6
Rpm Bhp Rpm
390 4.19 425
428 5.38 459
456 6.34 484
485 7.45 511
515 8.70 539
546 10.12 569
578 11.68 599
610 13.42 630
643 15.33 662
676 17.42 694
710 19.69 727
744 22.15 760
778 24.80 793
812 27.66 827
864 32.33 878
1.6
Rpm Bhp Rpm
552 9.18 580
572 10.40 598
590 11.41 614
610 12.58 633
632 13.91 654
656 15.41 676
681 17.07 701
708 18.90 726
735 20.92 753
764 23.10 781
793 25.48 809
823 28.04 838
854 30.80 868
885 33.76 899
932 38.58 945
2.6
Rpm Bhp Rpm
688 15.16 713
697 16.30 721
708 17.29 730
722 18.47 743
738 19.82 758
756 21.34 776
777 23.05 795
799 24.93 816
822 27.00 839
846 29.26 863
872 31.71 887
899 34.35 913
926 37.18 940
954 40.24 968
998 45.17 1011
3.6
Rpm Bhp Rpm
808 21.91 831
810 22.91 831
816 23.84 836
825 24.97 844
836 26.30 855
850 27.82 868
866 29.54 884
884 31.45 901
904 33.55 920
925 35.85 941
948 38.34 962
971 41.04 985
996 43.94 1010
1021 47.04 1035
1061 52.09 1074
9
0.8 1.0
Bhp Rpm
5.09 459
6.30 489
7.29 512
8.41 537
9.68 563
11.12 591
12.71 620
14.47 650
16.40 681
18.52 712
20.81 744
23.29 776
25.97 809
28.85 842
33.55 892
1.8 2.0
Bhp Rpm
10.30 608
11.52 624
12.53 638
13.70 656
15.04 675
16.55 697
18.22 720
20.07 745
22.09 770
24.30 797
26.69 825
29.27 854
32.05 883
35.03 913
39.88 959
2.8 3.0
Bhp Rpm
16.46 738
17.57 744
18.55 752
19.72 764
21.07 778
22.60 795
24.31 813
26.20 833
28.28 855
30.55 878
33.00 903
35.66 928
38.51 954
41.57 981
46.54 1023
3.8 4.0
Bhp Rpm
23.34 853
24.31 852
25.22 856
26.34 864
27.67 874
29.18 886
30.90 901
32.81 917
34.91 936
37.22 956
39.71 977
42.42 1000
45.33 1023
48.44 1048
53.51 1086
Bhp
6.04
7.27
8.26
9.40
10.70
12.15
13.76
15.54
17.50
19.63
21.95
24.46
27.15
30.06
34.79
Bhp
11.47
12.66
13.67
14.86
16.20
17.71
19.39
21.25
23.29
25.51
27.92
30.52
33.31
36.31
41.18
Bhp
17.78
18.87
19.84
21.00
22.34
23.87
25.58
27.48
29.57
31.84
34.32
36.98
39.85
42.92
47.91
Bhp
24.80
25.73
26.62
27.73
29.04
30.56
32.27
34.18
36.29
38.59
41.10
43.82
46.73
49.86
54.94