Carrier WeatherExpert 48N2 Controls, Start-Up, Operation, Service, And Troubleshooting page 16

Table 11 — Fan Performance — 48/50N 75-150 Nominal Ton Units Standard Return Fan Data
AIRFLOW
0.2
(cfm)
Rpm Bhp
15,000 449 2.09
18,000 528 3.38
21,000 609 5.15
24,000 691 7.49
27,000 773 10.45
30,000
856 14.14
33,000
939 18.64
36,000 1022 24.00
39,000 1106 30.33
42,000 1189 37.69
45,000 1272 46.18
48,000 1356 55.86
51,000 1440 66.82
52,500
1482 72.81
AIRFLOW
1.2
(cfm)
Rpm Bhp
15,000 579 4.59
18,000 639 6.23
21,000 705 8.36
24,000 776 11.07
27,000 849 14.42
30,000
924 18.49
33,000 1001 23.38
36,000 1079 29.13
39,000 1158 35.85
42,000 1238 43.62
45,000 1318 52.50
48,000 1399 62.59
51,000
1480 73.95
52,500 1521 80.13
AIRFLOW
2.2
(cfm)
Rpm Bhp
15,000 700 7.56
18,000 744 9.53
21,000 797 11.99
24,000 858 15.04
27,000
923 18.74
30,000
991 23.17
33,000 1063 28.41
36,000 1136 34.55
39,000 1211 41.65
42,000 1287 49.80
45,000 1364 59.05
48,000 1442 69.53
51,000
1521 81.28
52,500 1560 87.66
AIRFLOW
3.2
(cfm)
Rpm Bhp
15,000 813 10.90
18,000 843 13.19
21,000
886 15.98
24,000 937 19.35
27,000 994 23.38
30,000 1057 28.15
33,000 1123 33.74
36,000 1191 40.23
39,000
1262 47.68
42,000
1335 56.21
45,000 1409 65.83
48,000 1484 76.69
51,000 1561 88.80
52,500 1599 95.40
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4
Rpm Bhp Rpm
476 2.54 502
551 3.91 574
629 5.76 648
708 8.17 725
789 11.22 804
870 14.99 884
952 19.56 964
1034 25.01 1045
1116 31.41 1127
1199 38.86 1209
1282 47.42 1291
1365 57.19 1373
1448 68.24 1456
1490 74.26 1497
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.4
Rpm Bhp Rpm
604 5.15 629
661 6.86 682
724 9.06 743
792 11.84 809
864 15.26 879
938 19.40 951
1014 24.36 1026
1091 30.20 1102
1169 37.00 1179
1248 44.84 1258
1328 53.79 1337
1408 63.96 1416
1489 75.40 1497
1529 81.63 1537
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.4
Rpm Bhp Rpm
723 8.21 746
764 10.24 784
815 12.77 833
874 15.88 890
937 19.64 952
1005 24.15 1018
1075 29.46 1087
1147 35.67 1158
1221 42.84 1231
1297 51.05 1306
1373 60.40 1382
1451 70.94 1459
1529 82.78 1537
1568 89.18 1576
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4
Rpm Bhp Rpm
834 11.60 856
862 13.96 881
903 16.81 920
952 20.25 968
1009 24.34 1023
1070 29.18 1083
1135 34.84 1146
1202 41.39 1213
1273 48.93 1283
1344 57.51 1354
1418 67.22 1427
1493 78.13 1501
1569 90.34 1577
1607 96.95 1615
16
0.6 0.8
Bhp Rpm
3.02 528
4.46 596
6.38 668
8.87 742
12.00 819
15.85 897
20.49 977
26.02 1057
32.50 1137
40.04 1219
48.68 1300
58.52 1382
69.65 1464
75.71 1505
1.6 1.8
Bhp Rpm
5.73 653
7.50 703
9.77 761
12.62 825
16.11 894
20.33 965
25.36 1038
31.27 1113
38.14 1190
46.06 1268
55.10 1346
65.35 1425
76.86 1505
83.12 1545
2.6 2.8
Bhp Rpm
8.86 768
10.96 804
13.55 851
16.72 906
20.56 966
25.13 1031
30.52 1099
36.79 1169
44.04 1242
52.33 1316
61.74 1391
72.37 1468
84.28 1545
90.72 1584
3.6 3.8
Bhp Rpm
12.31 877
14.74 900
17.66 937
21.15 983
25.32 1037
30.22 1095
35.94 1158
42.57 1224
50.18 1293
58.82 1364
68.61 1436
79.59 1510
91.89 1585
98.52 1623
1.0
Bhp Rpm Bhp
3.52 554 4.04
5.03 618 5.62
7.03 687 7.69
9.59 759 10.32
12.79 834 13.60
16.72 911 17.60
21.44 989 22.40
27.04 1068 28.09
33.61 1148 34.73
41.21 1228 42.42
49.94 1309 51.22
59.88 1391 61.23
71.07 1472 72.51
77.17 1513 78.65
2.0
Bhp Rpm Bhp
6.32 677 6.94
8.16 723 8.84
10.50 779 11.24
13.41 842 14.22
16.97 908 17.85
21.26 978 22.21
26.37 1050 27.39
32.35 1125 33.44
39.30 1200 40.47
47.30 1277 48.54
56.41 1355 57.73
66.72 1434 68.13
78.32 1513 79.80
84.63 1553 86.14
3.0
Bhp Rpm Bhp
9.53 791 10.21
11.69 824 12.44
14.35 868 15.16
17.59 921 18.46
21.48 980 22.43
26.13 1044 27.13
31.58 1111 32.66
37.93 1180 39.08
45.24 1252 46.46
53.61 1325 54.90
63.09 1400 64.46
73.80 1476 75.23
85.78 1553 87.30
92.27 1592 93.83
4.0
Bhp Rpm Bhp
13.02 898 13.75
15.53 919 16.34
18.51 954 19.38
22.08 999 23.01
26.30 1050 27.30
31.27 1108 32.33
37.06 1170 38.19
43.76 1235 44.95
51.42 1303 52.69
60.16 1373 61.48
70.02 1445 71.42
81.07 1518 82.55
93.43 1593 94.97
100.12 1630 101.70