Table 15 -- Fan Performance- 50AJ,AK036 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW 0.4 0.6 0.8 1.0
(cfm)
0.2
Rpm
431
475
521
566
615
663
712
76O
809
859
908
933
Bhp
199
2.69
3.53
4.52
5.68
7.01
8.53
10.24
12.15
14.27
16.61
17.87
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
464
523
565
606
652
697
743
790
837
865
933
957
Bhp
2.35
306
394
496
614
749
903
1076
1269
14.83
17.19
18.45
Rpm
534
569
606
646
667
73O
774
819
864
910
957
961
Bhp
2.72
347
436
540
660
796
954
11.29
13.24
15.40
17.77
19.04
Rpm
560
612
646
663
722
762
8O4
847
891
936
961
1004
Bhp
3.08
3.86
4.78
5.84
7.07
8.47
10.05
11.62
13.79
15.97
18.36
19.64
Rpm
625
653
684
719
755
794
834
875
917
96O
1004
1027
Bhp
3.46
4.26
5.20
6.29
7.55
8.97
10.57
12.36
14.35
16.55
18.96
20.25
AIRFLOW AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
(Cfm) 1.4 1.6
7,000
8,000
9,000
10,000
11,000
12,000
13,000
14,000
15,000
16,000
17,000
17,500
1.2
Rpm
667
692
721
753
786
824
862
9O2
943
965
1026
1049
Bhp
3.85
4.66
5.63
6.74
8.02
9.47
11.09
12.90
14.91
17.13
19.56
20.86
Rpm
707
730
757
787
819
854
891
929
968
1009
1051
1072
Bhp
4.24
5.07
6.06
7.20
8.50
9.96
11.61
13.45
15.48
17.71
20.16
21.47
Rpm
746
767
791
819
850
863
918
955
993
1033
1073
1094
Bhp
4.65
5.49
6.49
7.65
8.97
10.47
12.13
13.99
16.04
18.30
20.77
22.09
Rpm
783
802
825
851
880
912
945
981
1018
1056
1096
1116
1.8
Bhp
5,07
5,92
6,94
8,11
9,46
10.97
12.66
14.54
16,62
18.89
21.38
22.71
Rpm
819
836
857
882
909
939
972
1006
1042
1079
1118
1137
2.0
Bhp
5,49
6,36
7,39
8.58
9.94
11.48
13.19
15.09
17.18
19.48
21.99
23.33
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW 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
2.2
Rpm
854
87O
889
912
936
967
996
1031
1066
1102
1140
1159
Bhp
5.93
6.81
7.85
9.05
10.43
11.98
13.72
15.64
17.76
20.08
22.61
23.95
Rpm
867
9O2
92O
941
966
993
1023
1055
1069
1124
1161
1180
Bhp
6.37
7.26
8.31
9.53
10.92
12.49
14.25
16.19
18.33
20.67
23.22
24.58
Rpm
919
933
95O
97O
993
1020
1049
1079
1112
1147
1182
1201
Bhp
6.82
7.73
8.79
10.02
11.42
13.01
14.78
16.75
18.90
21.26
23.84
25.21
Rpm
95O
964
979
996
1020
1046
1073
1103
1135
1166
1203
1221
2.8
Bhp
726
820
927
10.51
11.93
13.53
15.32
17.30
19.46
21.66
24.45
25.63
Rpm
98O
993
1008
1026
1047
1071
1098
1126
1157
1190
1224
1242
3.0
Bhp
7.74
8.67
9.75
11.00
12.44
14.05
15.86
17,66
20.06
22,46
25.07
26,46
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW 3.4 3.6
(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
3.2
Rpm
1009
1022
1036
1053
1073
1096
1121
1149
1179
1211
1245
1262
Bhp
8.21
9.16
10.25
11.51
12.95
14.58
16.40
18.42
20.63
23.06
25.69
27.09
Rpm
1037
1050
1064
1080
1099
1121
1145
1172
1201
1232
1265
1282
Bhp
8.69
9.65
10.75
12.02
13.47
15.11
16.95
18.98
21.21
23.66
26.31
27.71
Rpm
1064
1077
1090
1106
1124
1145
1166
1195
1223
1253
1285
Bhp
9.17
10.14
11.26
12.54
14.00
15.65
17.50
19.55
21.80
24.26
26.93
Rpm
1091
1104
1117
1131
1149
1169
1191
1217
1244
1274
3.8
Bhp
9.65
10.64
11.77
13.06
14.53
16.19
18.06
20.12
22.38
24.86
Rpm
1116
1129
1142
1157
1173
1192
1214
1239
1265
1294
4.0
Bhp
10.14
11.15
12.29
13.59
15.07
16.74
18.62
20.69
22.97
25.46
Table 16- Fan Performance- 50AJ,AK,A2,A3040 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
(Cfm)
8,000
9,000
10,000
11,000
12,000
13,000
14,000
15,000
16,000
17,000
18,000
19,000
20,000
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
475 2,69 523 3.08 569 3.47 612 3.86 653 4.26 692 4.66 730 5.07 767 5.49 802 5.92 836 6.36
521 3.53 565 3.94 606 4.36 646 4.78 684 5.20 721 5.63 757 6.06 791 6.49 825 6.94 857 7.39
568 4.52 608 4.96 646 5.40 683 5.84 719 6.29 753 6.74 787 7.20 819 7.65 851 8.11 882 8.58
615 5.68 652 6.14 687 6.60 722 7.07 755 7.55 788 8.02 819 8.50 850 8.97 880 9.46 909 9.94
663 7.01 697 7.49 730 7.98 762 8.47 794 8.97 824 9.47 854 9.96 883 10.47 912 10.97 939 11.48
712 8.53 743 9.03 774 9.54 804 10.05 834 10.57 862 11.09 891 11.61 918 12.13 945 12.66 972 13.19
760 10.24 790 10.76 819 11.29 847 11.82 875 12.36 902 12.90 929 13.45 955 13.99 981 14.54 1006 15.09
809 12.15 837 12.69 864 13.24 891 13.79 917 14.35 943 14.91 968 15.48 993 16.04 1018 16.62 1042 17.18
859 14.27 885 14.83 910 15.40 936 15.97 960 16.55 985 17.13 1009 17.71 1033 18.30 1056 18.89 1079 19.48
908 16.61 933 17.19 957 17.77 981 18.36 1004 18.96 1028 19.56 1051 20.16 1073 20.77 1096 21.38 1118 21.99
958 19.18 981 19.77 1004 20.37 1027 20.98 1049 21.60 1071 22.22 1093 22.84 1115 23.46 1136 24.09 1157 24.72
1007 21.98 1030 22.59 1052 23.21 1073 23.84 1095 24.47 1116 25.10 1137 25.74 1157 26.39 1178 27.04 1198 27.68
1057 25.02 1079 25.65 1099 26.29 1120 26.93 1140 27.58 1161 28.23 1181 28.89 ......
AIRFLOW
(Cfm)
8,000
9,000
10,000
11,000
12,000
13,000
14,000
15,000
16,000
17,000
18,000
19,000
20,000
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.
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
870 6.81 902 726 933 7.73 964 8.20 993 867 1022 9.16 1050 965 1077 10.14 1104 10.64 1129 1115
889 7.85 920 8.31 950 8.79 979 9.27 1008 9.75 1036 10.25 1064 10.75 1090 11.26 1117 11.77 1142 12.29
912 9.05 941 9.53 970 10.02 998 10.51 1026 11.00 1053 11.51 1080 12.02 1106 12.54 1131 13,06 1157 13.59
938 10.43 966 10.92 993 11.42 1020 11.93 1047 12.44 1073 12.95 1099 13.47 1124 14.00 1149 14.53 1173 15.07
967 11.98 993 12.49 1020 13.01 1046 13.53 1071 14.05 1096 14.58 1121 15.11 1145 15.65 1169 16.19 1192 16.74
998 13.72 1023 14.25 1049 14.78 1073 15.32 1098 15.86 1121 16.40 1145 16.95 1168 17.50 1191 18.06 1214 18.62
1031 15.64 1055 16.19 1079 16.75 1103 17.30 1126 17.86 1149 18.42 1172 18.98 1195 19.55 1217 20.12 1239 20.69
1066 17.76 1089 18.33 1112 18,90 1135 19.48 1157 20.06 1179 20.63 1201 21.21 1223 21.80 1244 22.38 1265 22.97
1102 20.08 1124 20.67 1147 21.26 1168 21.86 1190 22.46 1211 23.06 1232 23.66 1253 24.26 1274 24.86 1294 25.46
1140 22.61 1161 23.22 1182 23.84 1203 24.45 1224 25.07 1245 25.69 1265 26.31 1285 26.93 ....
1178 25.36 1199 25.99 1219 26.63 1240 27.26 1260 27.90 1279 28.54 1299 29.18 ......
1218 28.34 1238 28.99 ................
2. Conversion -- Bhp to watts:
Bhp x 746
Watts =
Motor efficiency
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.
14
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