Carrier 48AJ Operating And Service Manual page 18

AIRFLOW
0.2 0.4
(Cfm)
Rpm Bhp Rpm
7,000 568 3.13 616
8,000 629 4.17 673
9,000 690 5.40 731
10,000 753 6.85 790
10,500 784 7.65 820
11,000 816 8.50 851
12,000 879 10.39 912
13,000 943 12.51 973
14,000 1007 14.89 1036
15,000 1072 17.52 1098
16,000 1136 20.41 1162
17,000 1201 23.58 1225
17,500 1233 25.27 1257
AIRFLOW
2.2 2.4
(Cfm)
Rpm Bhp Rpm
7,000 950 7.88 980
8,000 987 9.10 1016
9,000 1027 10.51 1055
10,000 1069 12.13 1096
10,500 1091 13.02 1118
11,000 1114 13.96 1140
12,000 1161 16.03 1186
13,000 1210 18.34 1234
14,000 1261 20.90 1283
15,000 — — —
16,000 — — —
17,000 — — —
17,500 — — —
AIRFLOW
0.2
(Cfm)
Rpm
7,000 475
8,000 526
9,000 579
10,000 633
11,000 687
12,000 742
13,000 797
14,000 852
15,000 908
16,000 964
17,000 1021
17,500 1049
AIRFLOW
1.2
(Cfm)
Rpm
7,000 709
8,000 740
9,000 775
10,000 813
11,000 854
12,000 898
13,000 943
14,000 990
15,000 1038
16,000 1086
17,000 1136
17,500 1161
AIRFLOW
2.2
(Cfm)
Rpm
7,000 894
8,000 917
9,000 942
10,000 971
11,000 1003
12,000 1038
13,000 1075
14,000 1115
15,000 1157
16,000 1200
17,000 1245
17,500 1267
AIRFLOW
3.2
(Cfm)
Rpm
7,000 1046
8,000 1067
9,000 1089
10,000 1113
11,000 1139
12,000 1167
13,000 1199
14,000 1232
15,000 1269
16,000 —
17,000 —
17,500 —
LEGEND
Bhp — Brake Horsepower
NOTES:
1. Fan performance is based on wet coils, economizer, roof curb, cabinet losses, and clean
2-in. filters.
Table 23 — Fan Performance — 48AW,AY035 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.6 0.8
Bhp Rpm Bhp Rpm Bhp
3.56 661 4.00 704 4.45
4.62 714 5.08 753 5.55
5.88 769 6.36 805 6.85
7.35 826 7.85 860 8.36
8.16 855 8.68 887 9.20
9.03 884 9.56 916 10.09
10.94 943 11.49 973 12.04
13.09 1003 13.66 1031 14.23
15.48 1063 16.07 1090 16.67
18.13 1125 18.75 1150 19.36
21.05 1186 21.68 1210 22.32
24.24 1248 24.89 1271 25.55
25.94 1280 26.60 — —
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.6 2.8
Bhp Rpm Bhp Rpm Bhp
8.39 1009 8.92 1037 9.44
9.63 1044 10.17 1072 10.72
11.06 1082 11.62 1109 12.18
12.69 1122 13.26 1148 13.84
13.59 1143 14.16 1168 14.75
14.54 1165 15.13 1190 15.72
16.62 1210 17.22 1234 17.82
18.94 1257 19.56 1280 20.17
21.52 — — — —
— — — — —
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— — — — —
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Table 24 — Fan Performance — 48AW,AY036 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4
Bhp Rpm Bhp
2.29 527 2.66
3.10 573 3.50
4.08 621 4.51
5.24 671 5.70
6.59 723 7.07
8.15 775 8.65
9.92 827 10.45
11.92 881 12.47
14.15 935 14.72
16.63 989 17.23
19.37 1044 19.98
20.84 1072 21.46
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.4
Bhp Rpm Bhp
4.25 749 4.68
5.18 778 5.62
6.28 810 6.74
7.57 846 8.05
9.04 885 9.54
10.72 927 11.24
12.61 970 13.15
14.72 1016 15.29
17.06 1062 17.65
19.65 1110 20.26
22.49 1158 23.12
24.01 1183 24.65
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.4
Bhp Rpm Bhp
6.46 927 6.92
7.48 949 7.96
8.66 973 9.16
10.03 1001 10.55
11.60 1031 12.13
13.38 1065 13.92
15.37 1101 15.93
17.59 1139 18.17
20.04 1180 20.64
22.73 1222 23.35
25.67 1266 26.32
27.24 1288 27.89
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4
Bhp Rpm Bhp
8.81 1073 9.29
9.93 1094 10.44
11.21 1116 11.73
12.66 1139 13.20
14.31 1164 14.86
16.16 1192 16.73
18.23 1222 18.82
20.53 1255 21.14
23.07 1290 23.69
— — —
— — —
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1.0 1.2
Rpm Bhp Rpm Bhp Rpm
744 4.91 782 5.39 818
791 6.03 826 6.52 861
840 7.35 874 7.86 907
892 8.88 924 9.40 955
919 9.72 950 10.25 980
946 10.62 976 11.16 1005
1002 12.60 1030 13.15 1057
1058 14.81 1085 15.38 1111
1116 17.26 1141 17.86 1166
1175 19.97 1199 20.59 1222
1234 22.95 1257 23.58 1280
1294 26.20 — — —
— — — — —
3.0 3.2
Rpm Bhp Rpm Bhp Rpm
1065 9.97 1092 10.51 1118
1099 11.27 1125 11.82 1150
1135 12.74 1160 13.31 1185
1173 14.42 1198 15.00 1222
1193 15.33 1217 15.93 1241
1214 16.31 1238 16.91 1261
1257 18.43 1280 19.04 —
— — — — —
— — — — —
— — — — —
— — — — —
— — — — —
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0.6
Rpm Bhp
576 3.05
617 3.91
662 4.95
709 6.16
757 7.56
807 9.17
857 10.98
909 13.03
961 15.31
1014 17.83
1068 20.60
1095 22.09
1.6
Rpm Bhp
788 5.11
814 6.07
845 7.21
879 8.53
916 10.05
955 11.77
997 13.70
1041 15.86
1086 18.25
1133 20.88
1180 23.76
1205 25.30
2.6
Rpm Bhp
958 7.38
980 8.44
1003 9.66
1030 11.06
1059 12.67
1091 14.47
1126 16.50
1163 18.75
1202 21.24
1243 23.97
1286 26.96
— —
3.6
Rpm Bhp
1099 9.78
1121 10.95
1142 12.26
1165 13.75
1189 15.43
1216 17.31
1246 19.41
1277 21.74
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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.
18
1.4 1.6 1.8
Bhp Rpm Bhp Rpm Bhp
5.87 853 6.36 886 6.86
7.02 894 7.53 926 8.05
8.37 938 8.90 968 9.43
9.93 985 10.47 1013 11.02
10.79 1009 11.34 1037 11.89
11.71 1033 12.27 1061 12.82
13.72 1084 14.29 1110 14.86
15.96 1137 16.55 1162 17.14
18.46 1191 19.06 1214 19.67
21.21 1246 21.83 1268 22.45
24.22 — — — —
— — — — —
— — — — —
3.4 3.6 3.8
Bhp Rpm Bhp Rpm Bhp
11.05 1143 11.59 1168 12.13
12.38 1175 12.94 1199 13.51
13.89 1209 14.47 1233 15.05
15.59 1245 16.19 1268 16.79
16.53 1264 17.13 1287 17.73
17.51 1284 18.12 — —
— — — — —
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— — — — —
— — — — —
— — — — —
— — — — —
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0.8
Rpm Bhp Rpm
622 3.44 666
660 4.33 700
701 5.39 738
744 6.62 779
790 8.05 823
838 9.68 868
887 11.52 915
936 13.59 963
987 15.89 1013
1039 18.43 1063
1091 21.23 1114
1117 22.73 1139
1.8
Rpm Bhp Rpm
825 5.55 860
850 6.53 884
878 7.69 911
910 9.03 941
945 10.56 974
983 12.30 1011
1024 14.25 1050
1066 16.43 1091
1110 18.84 1134
1156 21.49 1178
1202 24.39 1223
1226 25.94 1247
2.8
Rpm Bhp Rpm
988 7.85 1017
1010 8.93 1039
1033 10.17 1061
1058 11.59 1086
1086 13.21 1112
1117 15.03 1142
1150 17.07 1175
1186 19.34 1210
1225 21.85 1247
1265 24.60 1286
— — —
— — —
3.8
Rpm Bhp Rpm
1125 10.27 1150
1147 11.46 1172
1168 12.80 1193
1190 14.30 1215
1214 15.99 1238
1240 17.89 1264
1269 20.00 1291
1300 22.35 —
— — —
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2.0
Rpm Bhp
919 7.37
957 8.57
998 9.96
1042 11.57
1064 12.45
1088 13.39
1136 15.44
1186 17.74
1238 20.28
1291 23.08
— —
— —
— —
4.0
Rpm Bhp
1192 12.68
1223 14.08
1256 15.64
1291 17.39
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— —
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1.0
Bhp
3.84
4.75
5.83
7.09
8.54
10.20
12.07
14.15
16.48
19.04
21.86
23.36
2.0
Bhp
6.00
7.00
8.17
9.53
11.08
12.84
14.81
17.01
19.44
22.11
25.03
26.59
3.0
Bhp
8.33
9.43
10.69
12.12
13.75
15.59
17.65
19.94
22.46
25.23
—
—
4.0
Bhp
10.76
11.98
13.33
14.86
16.56
18.48
20.61
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