Carrier 48AJ Operating And Service Manual page 9

AIRFLOW
0.2 0.4
(Cfm)
Rpm Bhp Rpm
7,000 549 2.97 598
8,000 606 3.95 651
9,000 664 5.11 706
10,000 723 6.46 762
10,500 753 7.22 790
11,000 783 8.02 819
12,000 843 9.79 877
13,000 903 11.78 935
14,000 964 14.00 994
15,000 1025 16.46 1053
16,000 1086 19.17 1112
17,000 1147 22.13 1172
17,500 1177 23.71 1202
AIRFLOW
2.2 2.4
(Cfm)
Rpm Bhp Rpm
7,000 939 7.68 969
8,000 972 8.83 1002
9,000 1009 10.16 1037
10,000 1048 11.69 1075
10,500 1068 12.53 1095
11,000 1089 13.42 1115
12,000 1133 15.37 1158
13,000 1178 17.55 1202
14,000 1225 19.96 1248
15,000 1274 22.61 1296
16,000 — — —
17,000 — — —
17,500 — — —
AIRFLOW
0.2
(Cfm)
Rpm
7,000 454
8,000 502
9,000 552
10,000 602
11,000 653
12,000 704
13,000 756
14,000 808
15,000 861
16,000 914
17,000 967
17,500 993
AIRFLOW
1.2
(Cfm)
Rpm
7,000 693
8,000 720
9,000 752
10,000 787
11,000 825
12,000 865
13,000 906
14,000 950
15,000 994
16,000 1039
17,000 1086
17,500 1109
AIRFLOW
2.2
(Cfm)
Rpm
7,000 881
8,000 901
9,000 923
10,000 948
11,000 976
12,000 1008
13,000 1042
14,000 1078
15,000 1116
16,000 1156
17,000 1197
17,500 1218
AIRFLOW
3.2
(Cfm)
Rpm
7,000 1035
8,000 1053
9,000 1072
10,000 1092
11,000 1114
12,000 1139
13,000 1167
14,000 1198
15,000 1230
16,000 1265
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 5 — Fan Performance — 48AJ,AK035 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.6 0.8
Bhp Rpm Bhp Rpm Bhp
3.40 644 3.83 687 4.28
4.40 694 4.85 734 5.32
5.58 745 6.06 783 6.55
6.96 799 7.46 833 7.97
7.73 826 8.24 859 8.75
8.55 853 9.07 886 9.59
10.34 909 10.88 940 11.43
12.35 965 12.92 994 13.49
14.60 1022 15.19 1050 15.78
17.08 1080 17.70 1106 18.31
19.81 1138 20.45 1163 21.08
22.80 1197 23.45 1221 24.11
24.39 1226 25.06 1250 25.72
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.6 2.8
Bhp Rpm Bhp Rpm Bhp
8.20 999 8.72 1028 9.25
9.36 1031 9.90 1059 10.45
10.71 1065 11.26 1092 11.82
12.25 1102 12.81 1128 13.38
13.09 1121 13.66 1147 14.24
13.99 1141 14.57 1166 15.15
15.96 1182 16.55 1207 17.14
18.15 1226 18.75 1249 19.36
20.57 1271 21.19 1294 21.81
23.24 — — — —
— — — — —
— — — — —
— — — — —
Table 6 — Fan Performance — 48AJ,AK036 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4
Bhp Rpm Bhp
2.15 508 2.52
2.90 550 3.30
3.81 595 4.24
4.89 642 5.34
6.15 689 6.62
7.60 738 8.09
9.24 788 9.76
11.10 838 11.64
13.18 888 13.74
15.49 940 16.06
18.03 991 18.62
19.40 1017 20.00
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.4
Bhp Rpm Bhp
4.09 734 4.52
4.97 759 5.40
6.00 788 6.45
7.20 821 7.67
8.58 856 9.07
10.14 895 10.66
11.90 935 12.44
13.87 976 14.43
16.05 1019 16.63
18.45 1063 19.06
21.09 1109 21.72
22.50 1131 23.14
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.4
Bhp Rpm Bhp
6.29 914 6.74
7.24 933 7.72
8.35 954 8.85
9.64 978 10.15
11.11 1005 11.63
12.77 1035 13.31
14.64 1068 15.19
16.71 1103 17.28
19.00 1140 19.59
21.51 1178 22.12
24.25 1218 24.89
25.71 1239 26.36
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4
Bhp Rpm Bhp
8.63 1062 9.11
9.69 1081 10.19
10.89 1099 11.41
12.25 1119 12.78
13.79 1140 14.34
15.53 1164 16.09
17.47 1191 18.05
19.63 1221 20.22
22.00 1253 22.62
24.61 1286 25.24
— — —
— — —
1.0 1.2
Rpm Bhp Rpm Bhp Rpm
728 4.73 767 5.20 805
772 5.79 808 6.28 844
818 7.04 853 7.54 886
867 8.48 899 8.99 931
892 9.27 923 9.80 954
917 10.12 948 10.66 978
969 11.98 998 12.53 1026
1023 14.06 1050 14.63 1077
1077 16.37 1103 16.96 1129
1132 18.92 1157 19.53 1181
1188 21.71 1212 22.35 1235
1244 24.76 1267 25.41 1290
1273 26.39 1295 27.04 —
3.0 3.2
Rpm Bhp Rpm Bhp Rpm
1056 9.78 1083 10.32 1109
1086 11.00 1113 11.55 1139
1119 12.38 1145 12.95 1170
1154 13.96 1179 14.54 1203
1172 14.83 1197 15.41 1221
1191 15.74 1215 16.34 1239
1230 17.75 1254 18.35 1277
1272 19.97 1295 20.59 —
— — — — —
— — — — —
— — — — —
— — — — —
— — — — —
0.6
Rpm Bhp
557 2.90
596 3.71
637 4.67
680 5.80
725 7.11
771 8.60
818 10.29
867 12.19
915 14.31
965 16.65
1015 19.23
1040 20.61
1.6
Rpm Bhp
773 4.95
796 5.85
823 6.92
854 8.16
887 9.57
924 11.18
962 12.99
1002 15.00
1044 17.22
1087 19.67
1131 22.35
1154 23.78
2.6
Rpm Bhp
946 7.21
965 8.20
985 9.35
1007 10.66
1033 12.16
1062 13.86
1093 15.76
1127 17.86
1163 20.19
1200 22.74
1240 25.52
1260 27.00
3.6
Rpm Bhp
1089 9.60
1108 10.70
1126 11.94
1145 13.33
1166 14.90
1189 16.67
1215 18.64
1244 20.82
1274 23.23
— —
— —
— —
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.
9
1.4 1.6 1.8
Bhp Rpm Bhp Rpm Bhp
5.68 840 6.17 874 6.67
6.77 878 7.27 910 7.79
8.05 918 8.56 949 9.09
9.52 961 10.05 991 10.59
10.33 983 10.87 1012 11.42
11.20 1006 11.74 1035 12.30
13.09 1054 13.65 1081 14.22
15.21 1103 15.79 1128 16.37
17.56 1153 18.15 1178 18.75
20.14 1205 20.76 1229 21.37
22.98 1258 23.61 1280 24.24
26.06 — — — —
— — — — —
3.4 3.6 3.8
Bhp Rpm Bhp Rpm Bhp
10.86 1135 11.40 1160 11.95
12.11 1164 12.67 1188 13.24
13.53 1195 14.11 1219 14.69
15.13 1227 15.72 1251 16.32
16.01 1245 16.61 1268 17.21
16.94 1262 17.54 1285 18.15
18.96 1299 19.58 — —
— — — — —
— — — — —
— — — — —
— — — — —
— — — — —
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0.8
Rpm Bhp Rpm
605 3.29 650
639 4.12 680
677 5.11 715
717 6.26 752
759 7.59 792
803 9.11 834
848 10.83 878
895 12.74 922
942 14.88 968
990 17.24 1015
1039 19.85 1062
1064 21.24 1086
1.8
Rpm Bhp Rpm
811 5.39 847
832 6.31 867
857 7.39 890
886 8.64 917
918 10.08 947
952 11.71 980
989 13.53 1016
1028 15.57 1053
1068 17.81 1093
1110 20.28 1133
1153 22.98 1175
1175 24.42 1197
2.8
Rpm Bhp Rpm
977 7.68 1006
995 8.69 1024
1014 9.86 1043
1036 11.19 1064
1061 12.70 1088
1088 14.41 1114
1118 16.32 1143
1151 18.45 1174
1186 20.79 1208
1222 23.36 1244
1261 26.17 1281
1280 27.66 —
3.8
Rpm Bhp Rpm
1115 10.09 1140
1134 11.21 1159
1152 12.47 1177
1171 13.88 1196
1191 15.46 1216
1213 17.24 1237
1238 19.23 1262
1266 21.43 1288
1296 23.85 —
— — —
— — —
— — —
2.0
Rpm Bhp
907 7.17
942 8.31
979 9.62
1019 11.13
1040 11.97
1062 12.86
1107 14.79
1154 16.96
1202 19.35
1251 21.99
— —
— —
— —
4.0
Rpm Bhp
1184 12.50
1213 13.81
1243 15.27
1274 16.92
1291 17.82
— —
— —
— —
— —
— —
— —
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1.0
Bhp
3.69
4.54
5.55
6.73
8.08
9.63
11.36
13.30
15.46
17.85
20.47
21.87
2.0
Bhp
5.83
6.77
7.87
9.14
10.59
12.24
14.08
16.14
18.40
20.89
23.61
25.07
3.0
Bhp
8.15
9.19
10.37
11.71
13.24
14.97
16.89
19.03
21.40
23.98
26.81
—
4.0
Bhp
10.58
11.73
13.00
14.43
16.03
17.83
19.82
22.04
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