Carrier 48AJ Operating And Service Manual page 24

AIRFLOW
0.2
(Cfm)
Rpm
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
18,000 1016
19,000 1069
20,000 1122
AIRFLOW
1.2
(Cfm)
Rpm
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
18,000 1126
19,000 1173
20,000 —
AIRFLOW
2.2
(Cfm)
Rpm
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
18,000 1230
19,000 —
20,000 —
AIRFLOW
3.2
(Cfm)
Rpm
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
18,000 —
19,000 —
20,000 —
AIRFLOW
0.2
(Cfm)
Rpm Bhp Rpm
8,000 509 2.95 555
9,000 558 3.87 600
10,000 608 4.96 646
11,000 659 6.23 694
12,000 710 7.68 743
13,000 763 9.35 793
14,000 815 11.22 843
15,000 868 13.31 895
16,000 921 15.64 946
17,000 974 18.20 998
18,000 1028 21.01 1050
19,000 1081 24.08 1103
20,000 1135 27.42 1155
AIRFLOW
2.2
(Cfm)
Rpm Bhp Rpm
8,000 892 7.12 923
9,000 915 8.23 945
10,000 941 9.53 970
11,000 971 11.02 999
12,000 1004 12.70 1030
13,000 1039 14.59 1064
14,000 1076 16.68 1100
15,000 1115 18.98 1138
16,000 1156 21.52 1178
17,000 1198 24.28 1218
18,000 1240 27.29 1260
19,000 1284 30.55 —
20,000 — — —
LEGEND
Bhp — Brake Horsepower
NOTES:
1. Fan performance is based on wet coils, economizer, roof curb, cabinet losses, and clean 2-in. fil-
ters.
Table 35 — Fan Performance — 50AW,AY041 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4
Bhp Rpm Bhp
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
20.68 1038 21.29
23.71 1090 24.33
26.99 1142 27.64
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.4
Bhp Rpm Bhp
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
23.77 1147 24.41
26.89 1194 27.54
— — —
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.4
Bhp Rpm Bhp
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
26.95 1250 27.58
— — —
— — —
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4
Bhp Rpm Bhp
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 36 — Fan Performance — 50AW,AY050 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4 0.6 0.8
Bhp Rpm Bhp Rpm Bhp
3.35 599 3.74 640 4.14
4.29 640 4.71 678 5.13
5.40 683 5.85 719 6.30
6.69 728 7.16 762 7.64
8.17 775 8.67 806 9.17
9.86 823 10.37 852 10.89
11.75 871 12.29 899 12.83
13.86 921 14.42 946 14.98
16.21 971 16.78 995 17.37
18.79 1021 19.39 1044 19.99
21.62 1072 22.24 1094 22.86
24.71 1124 25.35 1145 25.99
28.06 1175 28.72 1195 29.38
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.4 2.6 2.8
Bhp Rpm Bhp Rpm Bhp
7.57 954 8.04 984 8.52
8.70 975 9.18 1003 9.67
10.02 998 10.51 1026 11.00
11.52 1026 12.02 1052 12.53
13.22 1056 13.74 1081 14.26
15.12 1088 15.66 1113 16.20
17.23 1123 17.79 1147 18.35
19.56 1160 20.14 1182 20.72
22.11 1199 22.71 1220 23.31
24.90 1239 25.52 1259 26.14
27.93 1280 28.57 1300 29.21
— — — — —
— — — — —
0.6
Rpm Bhp
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
1060 21.90
1111 24.96
1162 28.29
1.6
Rpm Bhp
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
1168 25.04
1214 28.19
— —
2.6
Rpm Bhp
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
1269 28.22
— —
— —
3.6
Rpm Bhp
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
680 4.54 718 4.95 755
715 5.56 751 5.99 786
754 6.75 787 7.20 819
794 8.11 825 8.59 856
836 9.67 866 10.17 895
880 11.42 908 11.94 935
925 13.38 952 13.92 978
972 15.55 997 16.12 1021
1019 17.96 1043 18.54 1066
1067 20.60 1089 21.21 1112
1116 23.49 1137 24.12 1158
1165 26.63 1185 27.28 1206
1215 30.04 1234 30.71 1254
3.0 3.2
Rpm Bhp Rpm Bhp Rpm
1013 9.00 1041 9.49 1069
1032 10.16 1059 10.66 1086
1053 11.51 1080 12.01 1106
1078 13.05 1103 13.57 1128
1106 14.79 1130 15.33 1154
1136 16.74 1160 17.29 1183
1169 18.91 1192 19.48 1214
1204 21.30 1226 21.88 1247
1241 23.91 1262 24.51 1282
1279 26.76 1299 27.38 —
— — — — —
— — — — —
— — — — —
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.
24
0.8
Rpm Bhp Rpm
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
1082 22.52 1104
1132 25.60 1153
1182 28.95 —
1.8
Rpm Bhp Rpm
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
1189 25.67 1209
1234 28.85 —
— — —
2.8
Rpm Bhp Rpm
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
1289 28.86 —
— — —
— — —
3.8
Rpm Bhp Rpm
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
5.36 791 5.79 826 6.22
6.42 819 6.87 852 7.31
7.66 851 8.12 882 8.58
9.07 886 9.55 915 10.04
10.67 923 11.17 950 11.68
12.47 962 12.99 988 13.52
14.47 1003 15.02 1028 15.57
16.69 1045 17.26 1069 17.83
19.14 1089 19.73 1111 20.32
21.82 1134 22.43 1155 23.05
24.75 1179 25.38 1200 26.02
27.93 1226 28.58 1245 29.24
31.38 1273 32.05 1292 32.72
3.4 3.6 3.8
Bhp Rpm Bhp Rpm Bhp
9.98 1095 10.48 1121 10.98
11.16 1112 11.67 1138 12.19
12.53 1131 13.05 1156 13.58
14.09 1153 14.63 1177 15.16
15.86 1178 16.41 1201 16.96
17.85 1206 18.40 1228 18.96
20.04 1236 20.62 1257 21.19
22.47 1268 23.05 1289 23.65
25.12 — — — —
— — — — —
— — — — —
— — — — —
— — — — —
1.0
Bhp
4.46
5.47
6.64
7.99
9.52
11.25
13.18
15.32
17.69
20.30
23.15
26.25
—
2.0
Bhp
6.58
7.67
8.94
10.40
12.04
13.88
15.92
18.18
20.66
23.36
26.31
—
—
3.0
Bhp
8.90
10.05
11.39
12.91
14.64
16.57
18.71
21.07
23.64
26.46
—
—
—
4.0
Bhp
11.39
12.60
13.99
15.56
17.35
19.35
21.56
—
—
—
—
—
—
2.0
Rpm Bhp
859 6.66
884 7.77
912 9.06
943 10.53
978 12.19
1014 14.05
1052 16.12
1092 18.41
1134 20.92
1176 23.66
1220 26.65
1265 29.90
— —
4.0
Rpm Bhp
1147 11.49
1163 12.71
1181 14.11
1201 15.71
1224 17.51
1250 19.53
1279 21.77
— —
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