Carrier WeatherExpert 48N2 Controls, Start-Up, Operation, Service, And Troubleshooting page 20

Table 15 — Fan Performance — 48/50N 75 Nominal Ton Units Standard Power Exhaust Fan Data
AIRFLOW
0.2
(cfm)
Rpm Bhp
5,000 294 0.39
8,000 361 1.03
10,000 409 1.72
12,000
459 2.70
14,000 511 4.00
16,000 565 5.68
18,000 620 7.80
20,000 676 10.41
AIRFLOW
1.2
(cfm)
Rpm Bhp
5,000 581 1.33
8,000 636 2.66
10,000 675 3.89
12,000 716 5.44
14,000
758 7.37
16,000 802 9.70
18,000 847 12.50
20,000 893 15.80
AIRFLOW
2.2
(cfm)
Rpm Bhp
5,000
756 2.28
8,000
809 4.15
10,000 846 5.80
12,000 884 7.82
14,000 924 10.25
16,000 964 13.12
18,000
1006 16.49
20,000
1049 20.39
AIRFLOW
3.2
(cfm)
Rpm Bhp
5,000 894 3.28
8,000 946 5.64
10,000 982 7.67
12,000
1019 10.10
14,000 1057 12.97
16,000 1096 16.32
18,000 1136 20.20
20,000 1178 24.64
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4
Rpm Bhp Rpm
375 0.58 438
436 1.39 496
480 2.21 538
526 3.32 582
575 4.76 628
624 6.59 676
676 8.85 725
728 11.61 775
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.4
Rpm Bhp Rpm
621 1.52 657
675 2.96 711
714 4.28 749
754 5.93 789
795 7.96 830
838 10.41 872
882 13.33 915
927 16.76 960
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.4
Rpm Bhp Rpm
786 2.48 814
838 4.45 867
875 6.18 903
913 8.28 941
952 10.80 980
993 13.77 1020
1034 17.24 1061
1077 21.26 1103
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4
Rpm Bhp Rpm
919 3.48 943
971 5.94 995
1007 8.04 1030
1043 10.55 1067
1081 13.51 1105
1120 16.95 1144
1160 20.93 1183
1201 25.47 1224
20
0.6 0.8
Bhp Rpm
0.77 491
1.72 548
2.66 589
3.89 631
5.46 676
7.42 722
9.83 769
12.73 817
1.6 1.8
Bhp Rpm
1.71 692
3.26 746
4.66 783
6.41 822
8.55 863
11.11 904
14.14 947
17.69 991
2.6 2.8
Bhp Rpm
2.67 842
4.75 894
6.55 930
8.74 968
11.35 1006
14.42 1046
18.00 1087
22.12 1129
3.6 3.8
Bhp Rpm
3.69 967
6.24 1018
8.41 1054
11.00 1090
14.04 1128
17.57 1166
21.64 1206
26.29 1246
1.0
Bhp Rpm Bhp
0.96 538 1.14
2.04 594 2.35
3.08 634 3.49
4.42 676 4.94
6.12 719 6.75
8.21 763 8.97
10.76 809 11.64
13.79 857 14.82
2.0
Bhp Rpm Bhp
1.90 725 2.09
3.56 778 3.85
5.05 815 5.43
6.89 854 7.36
9.12 894 9.69
11.79 935 12.46
14.93 977 15.72
18.61 1021 19.50
3.0
Bhp Rpm Bhp
2.87 868 3.07
5.04 920 5.34
6.92 957 7.30
9.19 994 9.65
11.89 1032 12.43
15.06 1072 15.69
18.74 1112 19.47
22.97 1153 23.81
4.0
Bhp Rpm Bhp
3.90 990 4.11
6.54 1041 6.84
8.78 1076 9.15
11.45 1113 11.89
14.57 1150 15.10
18.19 1189 18.81
22.36 1228 23.07
27.10 1268 27.91