Carrier WeatherExpert 48N2 Controls, Start-Up, Operation, Service, And Troubleshooting page 17

Table 12 — Fan Performance — 48/50N 75 Nominal Ton Units High-Static Return Fan Data
AIRFLOW
0.2
(cfm)
Rpm Bhp
15,000 332 1.50
18,000 387 2.36
21,000 443 3.52
24,000 500 5.03
27,000 558 6.96
30,000
616 9.34
33,000
675 12.23
36,000 734 15.69
39,000 793 19.75
42,000 852 24.48
45,000 911 29.92
48,000 971 36.12
51,000 1030 43.14
52,500
1060 46.98
AIRFLOW
1.2
(cfm)
Rpm Bhp
15,000 473 4.20
18,000 509 5.41
21,000 551 6.94
24,000 596 8.83
27,000 644 11.13
30,000
695 13.91
33,000 747 17.19
36,000 800 21.04
39,000 854 25.50
42,000 909 30.63
45,000 965 36.47
48,000 1021 43.09
51,000
1077 50.50
52,500
1106 54.55
AIRFLOW
2.2
(cfm)
Rpm Bhp
15,000 594 7.46
18,000 618 9.02
21,000
649 10.90
24,000 685 13.13
27,000 725 15.79
30,000 769 18.92
33,000 815 22.57
36,000 863 26.79
39,000 913 31.62
42,000
964 37.14
45,000 1017 43.37
48,000 1070 50.36
51,000 1124 58.18
52,500 1151 62.42
AIRFLOW
3.2
(cfm)
Rpm Bhp
15,000 701 11.06
18,000 716 13.02
21,000 739 15.25
24,000 768 17.84
27,000 802 20.84
30,000 840 24.32
33,000 881 28.32
36,000
925 32.90
39,000 971 38.09
42,000 1018 43.96
45,000 1067 50.56
48,000 1118 57.94
51,000 1169 66.13
52,500 1195 70.55
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4
Rpm Bhp Rpm
363 1.98 392
413 2.91 438
466 4.15 488
520 5.74 540
576 7.75 593
633 10.22 648
690 13.19 704
747 16.72 761
805 20.87 818
864 25.68 875
922 31.21 933
981 37.48 991
1040 44.59 1049
1069 48.46 1078
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.4
Rpm Bhp Rpm
499 4.82 524
532 6.10 554
571 7.69 591
615 9.66 632
661 12.03 677
710 14.87 725
761 18.23 774
813 22.16 826
866 26.70 878
920 31.91 931
975 37.83 986
1031 44.52 1040
1087 52.02 1096
1115 56.09 1124
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.4
Rpm Bhp Rpm
616 8.16 638
638 9.79 658
667 11.74 685
702 14.05 719
741 16.77 756
783 19.97 798
829 23.69 842
876 27.98 888
925 32.89 936
975 38.47 986
1027 44.78 1037
1079 51.86 1089
1133 59.74 1142
1160 64.02 1169
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4
Rpm Bhp Rpm
721 11.82 741
734 13.86 753
756 16.16 773
784 18.82 799
816 21.89 831
853 25.44 867
894 29.51 906
937 34.15 949
982 39.43 993
1029 45.36 1039
1077 52.05 1087
1127 59.48 1137
1178 67.75 1187
1204 72.22 1213
17
0.6 0.8
Bhp Rpm
2.50 420
3.50 462
4.81 509
6.48 559
8.56 611
11.11 664
14.16 718
17.77 774
22.00 830
26.89 886
32.50 943
38.87 1001
46.06 1058
49.97 1087
1.6 1.8
Bhp Rpm
5.45 548
6.80 576
8.47 610
10.50 650
12.95 694
15.86 740
19.29 788
23.30 838
27.91 890
33.19 942
39.19 996
45.95 1050
53.54 1105
57.66 1133
2.6 2.8
Bhp Rpm
8.86 660
10.58 678
12.60 703
14.97 735
17.77 772
21.03 812
24.83 855
29.19 900
34.18 948
39.83 997
46.20 1047
53.35 1099
61.33 1151
65.64 1177
3.6 3.8
Bhp Rpm
12.58 760
14.70 771
17.09 790
19.82 815
22.96 846
26.58 881
30.70 919
35.42 961
40.77 1004
46.78 1050
53.52 1097
61.05 1146
69.40 1196
73.88 1221
1.0
Bhp Rpm Bhp
3.04 447 3.61
4.11 486 4.75
5.50 530 6.21
7.24 578 8.03
9.40 628 10.26
12.02 679 12.95
15.15 733 16.16
18.85 787 19.94
23.16 842 24.32
28.13 898 29.37
33.81 954 35.14
40.25 1011 41.66
47.52 1068 49.00
51.48 1097 53.00
2.0
Bhp Rpm Bhp
6.11 571 6.78
7.53 597 8.27
9.26 630 10.07
11.36 668 12.24
13.88 710 14.83
16.86 754 17.88
20.37 802 21.46
24.45 851 25.61
29.14 902 30.37
34.49 953 35.81
40.57 1006 41.96
47.41 1060 48.88
55.07 1114 56.62
59.23 1142 60.81
3.0
Bhp Rpm Bhp
9.59 680 10.32
11.38 697 12.20
13.47 721 14.35
15.92 751 16.87
18.78 787 19.81
22.12 826 23.21
25.98 868 27.14
30.41 913 31.65
35.46 959 36.78
41.20 1008 42.58
47.65 1057 49.10
54.87 1108 56.41
62.91 1160 64.52
67.26 1186 68.90
4.0
Bhp Rpm Bhp
13.35 779 14.13
15.56 789 16.43
18.02 806 18.97
20.83 830 21.84
24.04 860 25.12
27.72 894 28.88
31.93 932 33.15
36.71 972 38.00
42.12 1015 43.49
48.21 1060 49.64
55.02 1107 56.53
62.62 1155 64.19
71.04 1205 72.70
75.56 1230 77.26