Carrier 48/50AJ Air Conditioner User Manual


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Table 5 — Fan Performance — 48AJ,AK,A2,A3035 Units
Table 6 — Fan Performance — 48AJ,AK036 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 additionally limited by edb and ewb conditions.
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.20.40.60.81.01.21.41.61.82.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
7,000 534 2.46 584 2.80 630 3.13 674 3.48 716 3.82 756 4.16 793 4.50 829 4.83 863 5.17 896 5.49
8,000 590 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
9,000 646 4.23 687 4.62 726 5.00 764 5.38 800 5.76 835 6.15 869 6.54 902 6.93 934 7.31 964 7.70
10,000 704 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
10,500 733 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
11,000 762 6.63 797 7.08 830 7.51 863 7.93 894 8.35 925 8.77 955 9.19 984 9.62 1013 10.04 1041 10.47
12,000 820 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
13,000 879 9.72 909 10.22 939 10.70 968 11.17 996 11.63 1023 12.09 1050 12.55 1076 13.01 1102 13.46 1127 13.92
14,000 938 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
15,000 997 13.56 1024 14.11 1051 14.64 1076 15.16 1102 15.67 1126 16.17 1150 16.66 1174 17.16 1197 17.65 1220 18.14
16,000 1056 15.78 1082 16.35 1107 16.91 1132 17.45 1156 17.98 1179 18.50 1202 19.02 1225 19.53 1247 20.04 1269 20.55
17,000 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 — —
17,500 114519.49117020.10119320.70121621.28123821.84126022.40128222.94——————
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.22.42.62.83.03.23.43.63.84.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
7,000 927 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
8,000 960 6.89 989 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
9,000 994 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
10,000 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
10,500 1049 10.14 1077 10.56 1103 10.97 1129 11.39 1155 11.81 1180 12.23 1204 12.64 1228 13.05 1251 13.46 1274 13.87
11,000 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
12,000 110912.55113513.00116013.44118513.89120914.34123314.79125615.24127915.69————
13,000 115214.38117614.84120015.31122415.77124816.24127116.70129317.17——————
14,000 119616.41122016.88124317.36126617.84128818.32——————————
15,000 124318.63126519.12128719.61——————————————
16,000 129021.06——————————————————
17,000 ————————————————————
17,500 ————————————————————
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
7,000 454 2.15 508 2.52 557 2.90 605 3.29 650 3.69
8,000 502 2.90 550 3.30 596 3.71 639 4.12 680 4.54
9,000 552 3.81 595 4.24 637 4.67 677 5.11 715 5.55
10,000 602 4.89 642 5.34 680 5.80 717 6.26 752 6.73
11,000 653 6.15 689 6.62 725 7.11 759 7.59 792 8.08
12,000 704 7.60 738 8.09 771 8.60 803 9.11 834 9.63
13,000 756 9.24 788 9.76 818 10.29 848 10.83 878 11.36
14,000 808 11.10 838 11.64 867 12.19 895 12.74 922 13.30
15,000 861 13.18 888 13.74 915 14.31 942 14.88 968 15.46
16,000 914 15.49 940 16.06 965 16.65 990 17.24 1015 17.85
17,000 967 18.03 991 18.62 1015 19.23 1039 19.85 1062 20.47
17,500 993 19.40 1017 20.00 1040 20.61 1064 21.24 1086 21.87
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
7,000 693 4.09 734 4.52 773 4.95 811 5.39 847 5.83
8,000 720 4.97 759 5.40 796 5.85 832 6.31 867 6.77
9,000 752 6.00 788 6.45 823 6.92 857 7.39 890 7.87
10,000 787 7.20 821 7.67 854 8.16 886 8.64 917 9.14
11,000 825 8.58 856 9.07 887 9.57 918 10.08 947 10.59
12,000 865 10.14 895 10.66 924 11.18 952 11.71 980 12.24
13,000 906 11.90 935 12.44 962 12.99 989 13.53 1016 14.08
14,000 950 13.87 976 14.43 1002 15.00 1028 15.57 1053 16.14
15,000 994 16.05 1019 16.63 1044 17.22 1068 17.81 1093 18.40
16,000 1039 18.45 1063 19.06 1087 19.67 1110 20.28 1133 20.89
17,000 1086 21.09 1109 21.72 1131 22.35 1153 22.98 1175 23.61
17,500 1109 22.50 1131 23.14 1154 23.78 1175 24.42 1197 25.07
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
7,000 881 6.29 914 6.74 946 7.21 977 7.68 1006 8.15
8,000 901 7.24 933 7.72 965 8.20 995 8.69 1024 9.19
9,000 923 8.35 954 8.85 985 9.35 1014 9.86 1043 10.37
10,000 948 9.64 978 10.15 1007 10.66 1036 11.19 1064 11.71
11,000 976 11.11 1005 11.63 1033 12.16 1061 12.70 1088 13.24
12,000 1008 12.77 1035 13.31 1062 13.86 1088 14.41 1114 14.97
13,000 1042 14.64 1068 15.19 1093 15.76 1118 16.32 1143 16.89
14,000 1078 16.71 1103 17.28 1127 17.86 1151 18.45 1174 19.03
15,000 1116 19.00 1140 19.59 1163 20.19 1186 20.79 1208 21.40
16,000 1156 21.51 1178 22.12 1200 22.74 1222 23.36 1244 23.98
17,000 1197 24.25 1218 24.89 1240 25.52 1261 26.17 1281 26.81
17,500 1218 25.71 1239 26.36 1260 27.00 1280 27.66 — —
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 1035 8.63 1062 9.11 1089 9.60 1115 10.09 1140 10.58
8,000 1053 9.69 1081 10.19 1108 10.70 1134 11.21 1159 11.73
9,000 1072 10.89 1099 11.41 1126 11.94 1152 12.47 1177 13.00
10,000 1092 12.25 1119 12.78 1145 13.33 1171 13.88 1196 14.43
11,000 1114 13.79 1140 14.34 1166 14.90 1191 15.46 1216 16.03
12,000 1139 15.53 1164 16.09 1189 16.67 1213 17.24 1237 17.83
13,000 1167 17.47 1191 18.05 1215 18.64 1238 19.23 1262 19.82
14,000 1198 19.63 1221 20.22 1244 20.82 1266 21.43 1288 22.04
15,000 1230 22.00 1253 22.62 1274 23.23 1296 23.85 — —
16,000 126524.61128625.24——————
17,000 ——————————
17,500 ——————————
Watts =
Bhp x 746
Motor efficiency
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