Carrier WEATHERMAKER 48/50AJ Operation And Service Manual page 14

AIRFLOW
0.2
(Cfm)
Rpm
7,000 431
8,000 475
9,000 521
10,000 568
11,000 615
12,000 663
13,000 712
14,000 760
15,000 809
16,000 859
17,000 908
17,500 933
AIRFLOW
1.2
(Cfm)
Rpm
7,000 667
8,000 692
9,000 721
10,000 753
11,000 788
12,000 824
13,000 862
14,000 902
15,000 943
16,000 985
17,000 1028
17,500 1049
AIRFLOW
2.2
(Cfm)
Rpm
7,000 854
8,000 870
9,000 889
10,000 912
11,000 938
12,000 967
13,000 998
14,000 1031
15,000 1066
16,000 1102
17,000 1140
17,500 1159
AIRFLOW
3.2
(Cfm)
Rpm
7,000 1009
8,000 1022
9,000 1036
10,000 1053
11,000 1073
12,000 1096
13,000 1121
14,000 1149
15,000 1179
16,000 1211
17,000 1245
17,500 1262
AIRFLOW
0.2 0.4
(Cfm)
Rpm Bhp Rpm
8,000 475 2.69 523
9,000 521 3.53 565
10,000 568 4.52 608
11,000 615 5.68 652
12,000 663 7.01 697
13,000 712 8.53 743
14,000 760 10.24 790
15,000 809 12.15 837
16,000 859 14.27 885
17,000 908 16.61 933
18,000 958 19.18 981
19,000 1007 21.98 1030
20,000 1057 25.02 1079
AIRFLOW
2.2 2.4
(Cfm)
Rpm Bhp Rpm
8,000 870 6.81 902
9,000 889 7.85 920
10,000 912 9.05 941
11,000 938 10.43 966
12,000 967 11.98 993
13,000 998 13.72 1023
14,000 1031 15.64 1055
15,000 1066 17.76 1089
16,000 1102 20.08 1124
17,000 1140 22.61 1161
18,000 1178 25.36 1199
19,000 1218 28.34 1238
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.
Table 15 — Fan Performance — 50AJ,AK036 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4
Bhp Rpm Bhp
1.99 484 2.35
2.69 523 3.08
3.53 565 3.94
4.52 608 4.96
5.68 652 6.14
7.01 697 7.49
8.53 743 9.03
10.24 790 10.76
12.15 837 12.69
14.27 885 14.83
16.61 933 17.19
17.87 957 18.45
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.4
Bhp Rpm Bhp
3.85 707 4.24
4.66 730 5.07
5.63 757 6.06
6.74 787 7.20
8.02 819 8.50
9.47 854 9.96
11.09 891 11.61
12.90 929 13.45
14.91 968 15.48
17.13 1009 17.71
19.56 1051 20.16
20.86 1072 21.47
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.4
Bhp Rpm Bhp
5.93 887 6.37
6.81 902 7.26
7.85 920 8.31
9.05 941 9.53
10.43 966 10.92
11.98 993 12.49
13.72 1023 14.25
15.64 1055 16.19
17.76 1089 18.33
20.08 1124 20.67
22.61 1161 23.22
23.95 1180 24.58
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4
Bhp Rpm Bhp
8.21 1037 8.69
9.16 1050 9.65
10.25 1064 10.75
11.51 1080 12.02
12.95 1099 13.47
14.58 1121 15.11
16.40 1145 16.95
18.42 1172 18.98
20.63 1201 21.21
23.06 1232 23.66
25.69 1265 26.31
27.09 1282 27.71
Table 16 — Fan Performance — 50AJ,AK,A2,A3040 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.6 0.8
Bhp Rpm Bhp Rpm Bhp
3.08 569 3.47 612 3.86
3.94 606 4.36 646 4.78
4.96 646 5.40 683 5.84
6.14 687 6.60 722 7.07
7.49 730 7.98 762 8.47
9.03 774 9.54 804 10.05
10.76 819 11.29 847 11.82
12.69 864 13.24 891 13.79
14.83 910 15.40 936 15.97
17.19 957 17.77 981 18.36
19.77 1004 20.37 1027 20.98
22.59 1052 23.21 1073 23.84
25.65 1099 26.29 1120 26.93
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.6 2.8
Bhp Rpm Bhp Rpm Bhp
7.26 933 7.73 964 8.20
8.31 950 8.79 979 9.27
9.53 970 10.02 998 10.51
10.92 993 11.42 1020 11.93
12.49 1020 13.01 1046 13.53
14.25 1049 14.78 1073 15.32
16.19 1079 16.75 1103 17.30
18.33 1112 18.90 1135 19.48
20.67 1147 21.26 1168 21.86
23.22 1182 23.84 1203 24.45
25.99 1219 26.63 1240 27.26
28.99 — — — —
— — — — —
0.6
Rpm Bhp
534 2.72
569 3.47
606 4.36
646 5.40
687 6.60
730 7.98
774 9.54
819 11.29
864 13.24
910 15.40
957 17.77
981 19.04
1.6
Rpm Bhp
746 4.65
767 5.49
791 6.49
819 7.65
850 8.97
883 10.47
918 12.13
955 13.99
993 16.04
1033 18.30
1073 20.77
1094 22.09
2.6
Rpm Bhp
919 6.82
933 7.73
950 8.79
970 10.02
993 11.42
1020 13.01
1049 14.78
1079 16.75
1112 18.90
1147 21.26
1182 23.84
1201 25.21
3.6
Rpm Bhp
1064 9.17
1077 10.14
1090 11.26
1106 12.54
1124 14.00
1145 15.65
1168 17.50
1195 19.55
1223 21.80
1253 24.26
1285 26.93
— —
1.0 1.2
Rpm Bhp Rpm Bhp Rpm
653 4.26 692 4.66 730
684 5.20 721 5.63 757
719 6.29 753 6.74 787
755 7.55 788 8.02 819
794 8.97 824 9.47 854
834 10.57 862 11.09 891
875 12.36 902 12.90 929
917 14.35 943 14.91 968
960 16.55 985 17.13 1009
1004 18.96 1028 19.56 1051
1049 21.60 1071 22.22 1093
1095 24.47 1116 25.10 1137
1140 27.58 1161 28.23 1181
3.0 3.2
Rpm Bhp Rpm Bhp Rpm
993 8.67 1022 9.16 1050
1008 9.75 1036 10.25 1064
1026 11.00 1053 11.51 1080
1047 12.44 1073 12.95 1099
1071 14.05 1096 14.58 1121
1098 15.86 1121 16.40 1145
1126 17.86 1149 18.42 1172
1157 20.06 1179 20.63 1201
1190 22.46 1211 23.06 1232
1224 25.07 1245 25.69 1265
1260 27.90 1279 28.54 1299
— — — — —
— — — — —
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
0.8
Rpm Bhp Rpm
580 3.08 625
612 3.86 653
646 4.78 684
683 5.84 719
722 7.07 755
762 8.47 794
804 10.05 834
847 11.82 875
891 13.79 917
936 15.97 960
981 18.36 1004
1004 19.64 1027
1.8
Rpm Bhp Rpm
783 5.07 819
802 5.92 836
825 6.94 857
851 8.11 882
880 9.46 909
912 10.97 939
945 12.66 972
981 14.54 1006
1018 16.62 1042
1056 18.89 1079
1096 21.38 1118
1116 22.71 1137
2.8
Rpm Bhp Rpm
950 7.28 980
964 8.20 993
979 9.27 1008
998 10.51 1026
1020 11.93 1047
1046 13.53 1071
1073 15.32 1098
1103 17.30 1126
1135 19.48 1157
1168 21.86 1190
1203 24.45 1224
1221 25.83 1242
3.8
Rpm Bhp Rpm
1091 9.65 1116
1104 10.64 1129
1117 11.77 1142
1131 13.06 1157
1149 14.53 1173
1169 16.19 1192
1191 18.06 1214
1217 20.12 1239
1244 22.38 1265
1274 24.86 1294
— — —
— — —
1.4 1.6 1.8
Bhp Rpm Bhp Rpm Bhp
5.07 767 5.49 802 5.92
6.06 791 6.49 825 6.94
7.20 819 7.65 851 8.11
8.50 850 8.97 880 9.46
9.96 883 10.47 912 10.97
11.61 918 12.13 945 12.66
13.45 955 13.99 981 14.54
15.48 993 16.04 1018 16.62
17.71 1033 18.30 1056 18.89
20.16 1073 20.77 1096 21.38
22.84 1115 23.46 1136 24.09
25.74 1157 26.39 1178 27.04
28.89 — — — —
3.4 3.6 3.8
Bhp Rpm Bhp Rpm Bhp
9.65 1077 10.14 1104 10.64
10.75 1090 11.26 1117 11.77
12.02 1106 12.54 1131 13.06
13.47 1124 14.00 1149 14.53
15.11 1145 15.65 1169 16.19
16.95 1168 17.50 1191 18.06
18.98 1195 19.55 1217 20.12
21.21 1223 21.80 1244 22.38
23.66 1253 24.26 1274 24.86
26.31 1285 26.93 — —
29.18 — — — —
— — — — —
— — — — —
1.0
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
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
3.0
Bhp
7.74
8.67
9.75
11.00
12.44
14.05
15.86
17.86
20.06
22.46
25.07
26.46
4.0
Bhp
10.14
11.15
12.29
13.59
15.07
16.74
18.62
20.69
22.97
25.46
—
—
2.0
Rpm Bhp
836 6.36
857 7.39
882 8.58
909 9.94
939 11.48
972 13.19
1006 15.09
1042 17.18
1079 19.48
1118 21.99
1157 24.72
1198 27.68
— —
4.0
Rpm Bhp
1129 11.15
1142 12.29
1157 13.59
1173 15.07
1192 16.74
1214 18.62
1239 20.69
1265 22.97
1294 25.46
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