Carrier WEATHERMAKER 48/50AJ Operation And Service Manual page 23

AIRFLOW
0.2
(Cfm)
Rpm
7,000 451
8,000 499
9,000 548
10,000 599
11,000 649
12,000 701
13,000 753
14,000 805
15,000 857
16,000 910
17,000 963
17,500 989
AIRFLOW
1.2
(Cfm)
Rpm
7,000 682
8,000 711
9,000 744
10,000 779
11,000 817
12,000 857
13,000 899
14,000 942
15,000 987
16,000 1032
17,000 1078
17,500 1102
AIRFLOW
2.2
(Cfm)
Rpm
7,000 866
8,000 885
9,000 908
10,000 934
11,000 964
12,000 996
13,000 1031
14,000 1068
15,000 1106
16,000 1146
17,000 1187
17,500 1208
AIRFLOW
3.2
(Cfm)
Rpm
7,000 1020
8,000 1036
9,000 1053
10,000 1073
11,000 1097
12,000 1123
13,000 1152
14,000 1184
15,000 1217
16,000 1253
17,000 1289
17,500 —
AIRFLOW
0.2 0.4
(Cfm)
Rpm Bhp Rpm
8,000 499 2.88 546
9,000 548 3.78 591
10,000 599 4.86 637
11,000 649 6.11 685
12,000 701 7.54 734
13,000 753 9.18 783
14,000 805 11.03 833
15,000 857 13.09 884
16,000 910 15.38 935
17,000 963 17.91 986
18,000 1016 20.68 1038
19,000 1069 23.71 1090
20,000 1122 26.99 1142
AIRFLOW
2.2 2.4
(Cfm)
Rpm Bhp Rpm
8,000 885 7.03 917
9,000 908 8.13 939
10,000 934 9.42 963
11,000 964 10.89 992
12,000 996 12.55 1023
13,000 1031 14.41 1056
14,000 1068 16.48 1092
15,000 1106 18.75 1129
16,000 1146 21.25 1168
17,000 1187 23.98 1208
18,000 1230 26.95 1250
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.
Table 33 — Fan Performance — 50AW,AY036 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4
Bhp Rpm Bhp
2.13 503 2.49
2.88 546 3.27
3.78 591 4.20
4.86 637 5.30
6.11 685 6.57
7.54 734 8.03
9.18 783 9.69
11.03 833 11.56
13.09 884 13.64
15.38 935 15.95
17.91 986 18.50
19.26 1012 19.86
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.4
Bhp Rpm Bhp
3.99 722 4.39
4.87 748 5.28
5.90 778 6.33
7.09 812 7.55
8.47 848 8.94
10.02 886 10.52
11.77 927 12.30
13.73 968 14.27
15.89 1011 16.46
18.28 1056 18.87
20.91 1101 21.52
22.31 1124 22.93
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.4
Bhp Rpm Bhp
6.09 899 6.54
7.03 917 7.48
8.13 939 8.60
9.42 963 9.90
10.89 992 11.39
12.55 1023 13.07
14.41 1056 14.95
16.48 1092 17.03
18.75 1129 19.33
21.25 1168 21.85
23.98 1208 24.60
25.43 1229 26.06
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4
Bhp Rpm Bhp
8.39 1047 8.86
9.39 1063 9.88
10.55 1080 11.05
11.89 1100 12.41
13.43 1122 13.96
15.17 1147 15.71
17.12 1175 17.67
19.27 1206 19.84
21.65 1239 22.23
24.25 1273 24.85
27.07 — —
— — —
Table 34 — Fan Performance — 50AW,AY,A4,A5040 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.6 0.8
Bhp Rpm Bhp Rpm Bhp
3.27 590 3.66 632 4.06
4.20 631 4.62 670 5.04
5.30 675 5.74 711 6.19
6.57 720 7.04 753 7.51
8.03 766 8.52 797 9.02
9.69 813 10.21 842 10.72
11.56 861 12.09 889 12.63
13.64 910 14.20 936 14.76
15.95 960 16.53 984 17.11
18.50 1010 19.09 1033 19.69
21.29 1060 21.90 1082 22.52
24.33 1111 24.96 1132 25.60
27.64 1162 28.29 1182 28.95
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.6 2.8
Bhp Rpm Bhp Rpm Bhp
7.48 948 7.95 978 8.42
8.60 968 9.08 997 9.56
9.90 992 10.39 1020 10.89
11.39 1019 11.89 1045 12.40
13.07 1048 13.59 1074 14.11
14.95 1081 15.48 1105 16.03
17.03 1115 17.59 1138 18.15
19.33 1151 19.91 1174 20.48
21.85 1189 22.45 1211 23.04
24.60 1229 25.21 1249 25.83
27.58 1269 28.22 1289 28.86
— — — — —
— — — — —
0.6
Rpm Bhp
552 2.86
590 3.66
631 4.62
675 5.74
720 7.04
766 8.52
813 10.21
861 12.09
910 14.20
960 16.53
1010 19.09
1035 20.47
1.6
Rpm Bhp
760 4.80
784 5.70
812 6.77
844 8.01
878 9.43
915 11.03
953 12.82
994 14.82
1036 17.03
1079 19.47
1123 22.13
1145 23.55
2.6
Rpm Bhp
931 6.99
948 7.95
968 9.08
992 10.39
1019 11.89
1048 13.59
1081 15.48
1115 17.59
1151 19.91
1189 22.45
1229 25.21
1249 26.69
3.6
Rpm Bhp
1074 9.34
1090 10.38
1107 11.56
1125 12.93
1147 14.49
1171 16.25
1198 18.22
1228 20.41
1260 22.82
1293 25.45
— —
— —
1.0 1.2
Rpm Bhp Rpm Bhp Rpm
672 4.46 711 4.87 748
708 5.47 744 5.90 778
746 6.64 779 7.09 812
786 7.99 817 8.47 848
828 9.52 857 10.02 886
871 11.25 899 11.77 927
916 13.18 942 13.73 968
962 15.32 987 15.89 1011
1008 17.69 1032 18.28 1056
1056 20.30 1078 20.91 1101
1104 23.15 1126 23.77 1147
1153 26.25 1173 26.89 1194
— — — — —
3.0 3.2
Rpm Bhp Rpm Bhp Rpm
1007 8.90 1036 9.39 1063
1026 10.05 1053 10.55 1080
1047 11.39 1073 11.89 1100
1071 12.91 1097 13.43 1122
1099 14.64 1123 15.17 1147
1129 16.57 1152 17.12 1175
1161 18.71 1184 19.27 1206
1196 21.07 1217 21.65 1239
1232 23.64 1253 24.25 1273
1270 26.46 1289 27.07 —
— — — — —
— — — — —
— — — — —
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 additional limited by edb and ewb conditions.
23
0.8
Rpm Bhp Rpm
597 3.23 641
632 4.06 672
670 5.04 708
711 6.19 746
753 7.51 786
797 9.02 828
842 10.72 871
889 12.63 916
936 14.76 962
984 17.11 1008
1033 19.69 1056
1058 21.08 1080
1.8
Rpm Bhp Rpm
797 5.22 832
819 6.14 853
845 7.22 877
875 8.47 905
907 9.91 936
943 11.53 970
980 13.35 1006
1019 15.37 1044
1060 17.61 1083
1101 20.06 1124
1145 22.75 1166
1166 24.18 1187
2.8
Rpm Bhp Rpm
961 7.45 991
978 8.42 1007
997 9.56 1026
1020 10.89 1047
1045 12.40 1071
1074 14.11 1099
1105 16.03 1129
1138 18.15 1161
1174 20.48 1196
1211 23.04 1232
1249 25.83 1270
1269 27.32 1289
3.8
Rpm Bhp Rpm
1101 9.83 1126
1116 10.88 1142
1133 12.08 1158
1151 13.45 1175
1171 15.02 1195
1195 16.80 1218
1221 18.78 1243
1250 20.99 1271
1280 23.41 —
— — —
— — —
— — —
1.4 1.6 1.8
Bhp Rpm Bhp Rpm Bhp
5.28 784 5.70 819 6.14
6.33 812 6.77 845 7.22
7.55 844 8.01 875 8.47
8.94 878 9.43 907 9.91
10.52 915 11.03 943 11.53
12.30 953 12.82 980 13.35
14.27 994 14.82 1019 15.37
16.46 1036 17.03 1060 17.61
18.87 1079 19.47 1101 20.06
21.52 1123 22.13 1145 22.75
24.41 1168 25.04 1189 25.67
27.54 1214 28.19 1234 28.85
— — — — —
3.4 3.6 3.8
Bhp Rpm Bhp Rpm Bhp
9.88 1090 10.38 1116 10.88
11.05 1107 11.56 1133 12.08
12.41 1125 12.93 1151 13.45
13.96 1147 14.49 1171 15.02
15.71 1171 16.25 1195 16.80
17.67 1198 18.22 1221 18.78
19.84 1228 20.41 1250 20.99
22.23 1260 22.82 1280 23.41
24.85 1293 25.45 — —
— — — — —
— — — — —
— — — — —
— — — — —
1.0
Bhp
3.60
4.46
5.47
6.64
7.99
9.52
11.25
13.18
15.32
17.69
20.30
21.69
2.0
Bhp
5.65
6.58
7.67
8.94
10.40
12.04
13.88
15.92
18.18
20.66
23.36
24.80
3.0
Bhp
7.91
8.90
10.05
11.39
12.91
14.64
16.57
18.71
21.07
23.64
26.46
27.95
4.0
Bhp
10.32
11.39
12.60
13.99
15.56
17.35
19.35
21.56
—
—
—
—
2.0
Rpm Bhp
853 6.58
877 7.67
905 8.94
936 10.40
970 12.04
1006 13.88
1044 15.92
1083 18.18
1124 20.66
1166 23.36
1209 26.31
— —
— —
4.0
Rpm Bhp
1142 11.39
1158 12.60
1175 13.99
1195 15.56
1218 17.35
1243 19.35
1271 21.56
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