Carrier WEATHERMAKER 48/50AJ - Manual (Page 23)

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