AIRFLOW
(Cfm)
7,000
8,000
9,000
10,000
10,500
11,000
12,000
13,000
14,000
15,000
16,000
17,000
17,500
AIRFLOW
(Of m)
7,000
8,000
9,000
10,000
10,500
11,000
12,000
13,000
14,000
15,000
16,000
17,000
17,500
Table 5 -- Fan Performance -- 48AJ,AK,A2,A3035 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
534 2.46 584 2.80 630 3.13 674 348 716 3.82 756 4.16 793 450 829 4.83 863 517 896 5.49
590 3.27 635 3.63 677 3.99 718 4.35 757 4.72 794 5.08 830 5.45 864 5.81 897 6.18 929 6.54
646 4.23 687 4.62 726 5.00 764 5.38 800 5.76 835 6.18 869 6.54 902 6.93 934 7.31 964 7.70
704 5.35 742 5.77 778 6.17 812 6.57 846 6.97 879 7.38 911 7.78 942 8.19 972 8.60 1002 9.01
733 5.97 769 6.40 804 6.82 837 7.23 870 7.64 902 8.05 933 8.46 963 8.88 992 9.30 1021 9.72
762 6.63 797 7.08 830 7.81 863 7.93 894 8.38 925 8.77 955 9.19 984 9.62 1013 10.04 1041 10.47
820 8.09 853 8.56 884 9.01 915 9.46 944 9.90 973 10.34 1001 10.78 1029 11.22 1056 11.66 1083 12.10
879 9.72 909 10.22 939 1O.70 968 11.17 996 11.63 1023 12.09 1050 12.55 1076 13.01 1102 13.46 1127 13.92
938 11.54 967 12.07 995 12.58 1022 13.07 1048 13.55 1074 14.03 1099 14.51 1124 14.98 1149 15.46 1173 15.93
997 13.86 1024 14.11 1051 14.64 1076 18.16 1102 15.67 1126 16.17 1150 16.66 1174 17.16 1197 17.65 1220 18.14
1056 18.78 1082 16.35 1107 16.91 1132 17.45 1186 17.98 1179 18.50 1202 19.02 1225 19.53 1247 20.04 1269 20.55
1116 18.20 1140 18.80 1164 19.38 1188 19.95 1210 20.50 1233 21.05 1255 21.58 1276 22.11 1298 22.64 -- --
1145 19.49 1170 20.10 1193 20.70 1216 21.28 1238 21.84 1260 22.40 1282 22.94 ......
AVAILABLE EXTERNAL STATIC PRESSURE(in. wg)
2.2 2.4 2,6 2.8 3.0 3.2 3.4 3.6 3.8 4.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
927 5.81 956 6.13 985 6.45 1012 6.76 1039 7.06 1065 7.37 1090 7.67 1114 7.97 1138 8.26 1161 8.56
960 6.69 989 7.25 1018 7.60 1045 7.94 1072 8.29 1098 8.63 1122 8.96 1147 9.29 1170 9.62 1193 9.95
994 8.09 1023 8.47 1051 8.85 1078 9.23 1104 9.61 1130 9.98 1155 10.35 1179 10.71 1203 11.08 1226 11.44
1030 9.42 1058 9.82 1085 10.23 1112 10.64 1138 11.04 1163 11.44 1188 11.84 1212 12.24 1235 12.64 1258 13.03
1049 10.14 1077 10.66 1103 10.97 1129 11.39 1155 11.81 1180 12.23 1204 12.64 1228 13.05 1251 13.46 1274 13.87
1069 10.90 1095 11.33 1122 11.76 1147 12,18 1173 12.61 1197 13.04 1221 13.47 1245 13.89 1268 14.31 1291 14.73
1109 12.55 1135 13.00 1160 13.44 1185 13.89 1209 14.34 1233 14.79 1256 15.24 1279 15.69 ....
1152 14.38 1176 14.84 1200 16.31 1224 15.77 1248 16.24 1271 16.70 1293 17.17 ......
1196 16.41 1220 16.88 1243 17.36 1266 17.84 1288 18.32 ..........
1243 18.63 1265 19.12 1287 19.61 ..............
1290 21.06 ..................
Table 6 -- Fan Performance -- 48AJ,AK036 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
(Cfm) 0.2 0.4 0.6 0.8
Rpm
454
5O2
552
6O2
653
7O4
756
8O8
861
914
967
993
Bhp
2.15
2.90
3.81
4.89
6.15
7.60
9.24
11.10
13.18
16.49
18.03
19.40
7,000
8,000
9,000
10,000
11,000
12,000
13,000
14,000
15,000
16,000
17,000
17,500
Rpm
5O8
55O
595
642
689
738
788
838
888
94O
991
1017
Bhp
2.52
3.30
4.24
5.34
6.62
8.09
9.76
11.64
13.74
16.06
18.62
20.00
Rpm
557
596
637
68O
725
771
818
867
915
965
1015
1040
Bhp
2.90
3.71
4.67
5.80
7.11
8.60
10.29
12.19
14.31
16.66
19.23
20.61
Rpm
6O5
639
677
717
759
8O3
848
895
942
99O
1039
1064
Bhp
3.29
4.12
5.11
6.26
7.59
9.11
10.83
12.74
14.88
17.24
19.86
21.24
1.0
Rpm
650
680
715
752
792
834
878
922
968
1015
1062
1086
Bhp
3.69
4.54
5.55
6.73
8.08
9.63
11.36
13.30
15.46
17.86
20.47
21.87
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW 1.2 1.4 1.6
(cfm)
7,000
8,000
9,000
10,000
11,000
12,000
13,000
14,000
15,000
16,000
17,000
17,500
Rpm
693
72O
752
787
825
865
9O6
95O
994
1039
1086
1109
Bhp
4.09
4.97
6.00
7.20
8.58
10.14
11.90
13.87
16.05
18.46
21.09
22.60
Rpm
734
759
788
821
856
895
935
976
1019
1063
1109
1131
Bhp
4.52
5.40
6.45
7.67
9.07
10.66
12.44
14.43
16.63
19.06
21.72
23.14
Rpm
773
796
823
854
887
924
962
1002
1044
1087
1131
1154
Bhp
4.95
5.85
6.92
8.16
9.57
11.18
12.99
15.00
17.22
19.67
22.36
23.78
Rpm
811
832
857
886
918
952
989
1028
1068
1110
1153
1175
1.8
Bhp
5.39
6.31
7.39
6.64
10.06
11.71
13.53
15.57
17.61
20.26
22.96
24.42
2.0
Rpm
847
867
890
917
947
98O
1018
1053
1093
1133
1175
1197
Bhp
5.83
6.77
7.87
9.14
10.59
12.24
14.08
16.14
18.40
20.89
23.61
26.07
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW 2.2 2,4 2,6
(cfm)
7,000
8,000
9,000
10,000
11,000
12,000
13,000
14,000
15,000
16,000
17,000
17,500
Rpm
881
901
923
948
976
1008
1042
1078
1116
1156
1197
1218
Bhp
6.29
7.24
8.35
9.64
11.11
12.77
14.64
16.71
19.00
21.61
24.26
26.71
Rpm
914
933
954
978
1005
1035
1068
1103
1140
1178
1218
1239
Bhp
6.74
7.72
8.85
10.15
11.63
13.31
15.19
17.28
19.69
22.12
24.89
26.36
Rpm
946
965
985
1007
1033
1062
1093
1127
1163
1200
1240
1260
Bhp
7.21
8.20
9.35
10.66
12.16
13.86
15.76
17.86
20.19
22.74
26.62
27.00
Rpm
977
995
1014
1036
1061
1088
1118
1151
1186
1222
1261
1280
2.8
Bhp
7.68
8.69
9.86
11.19
12.70
14.41
16.32
18.45
20.79
23.36
26.17
27.66
3.0
Rpm
1006
1024
1043
1064
1088
1114
1143
1174
1208
1244
1281
Bhp
8,15
9.19
10.37
11.71
13.24
14.97
16.89
19.03
21.40
23.98
26.81
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
(Cfm) 3.2 3.4 3.6
7,000
8,000
9,000
10,000
11,000
12,000
13,000
14,000
15,000
16,000
17,000
17,500
Rpm
1035
1053
1072
1092
1114
1139
1167
1198
1230
1265
Bhp
8.63
9.69
10.89
12.25
13.79
15.53
17.47
19.63
22.00
24.61
Bhp
9.60
10.70
11.94
13.33
14.90
16.67
18.64
20.82
23.23
Rpm
1062
1081
1099
1119
1140
1164
1191
1221
1253
1286
Bhp
9.11
10.19
11.41
12.78
14.34
16.09
18.05
20.22
22.62
25.24
LEGEND
Bhp -- Brake Horsepower
edb -- Entering Dry Bulb
ewb -- Entering Wet Bulb
NOTES:
1. Fan performance is based on wet coils economizer roof curb, cabinet losses and clean
2-in. filters.
Rpm
1089
1108
1126
1145
1166
1189
1215
1244
1274
Rpm
1115
1134
1152
1171
1191
1213
1238
1266
1296
3.8
Bhp
10.09
11.21
12,47
13.88
18.46
17.24
19.23
21.43
23.86
2. Conversion -- Bhp to watts:
Bhp x 746
Watts =
Motor efficiency
4.0
Rpm
1140
1159
1177
1196
1216
1237
1262
1288
Bhp
10.58
11.73
13.00
14.43
16.03
17.83
19.82
22.04
3. Variable air volume units will operate down to 70 cfm/ton. Performance at 70 cfm/ton is
limited to unloaded operation and may be additionally limited by edb and ewb conditions.
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