Carrier 48AJ Operating And Service Manual page 11

AIRFLOW
0.2
(Cfm)
Rpm Bhp Rpm
8,000 512 2.98 560
9,000 561 3.90 604
10,000 611 5.00 651
11,000 662 6.27 699
12,000 714 7.74 748
13,000 766 9.41 798
14,000 819 11.29 848
15,000 872 13.40 899
16,000 925 15.74 951
17,000 979 18.32 1003
18,000 1032 21.15 1055
19,000 1086 24.24 1108
20,000 1140 27.60 1161
AIRFLOW
2.2
(Cfm)
Rpm Bhp Rpm
8,000 907 7.34 940
9,000 930 8.46 961
10,000 955 9.76 985
11,000 984 11.25 1012
12,000 1016 12.93 1043
13,000 1050 14.82 1076
14,000 1087 16.92 1111
15,000 1126 19.23 1149
16,000 1166 21.78 1188
17,000 1208 24.56 1229
18,000 1250 27.59 1271
19,000 1294 30.87 —
20,000 — — —
AIRFLOW
0.2
(Cfm)
Rpm
10,000 419
12,000 476
13,000 506
14,000 536
15,000 566
16,000 597
17,000 628
18,000 659
19,000 691
20,000 723
21,000 755
22,000 787
23,000 819
24,000 851
25,000 883
AIRFLOW
1.2
(Cfm)
Rpm
10,000 673
12,000 714
13,000 735
14,000 758
15,000 781
16,000 804
17,000 829
18,000 853
19,000 879
20,000 905
21,000 931
22,000 958
23,000 985
24,000 1012
25,000 1040
AIRFLOW
2.2
(Cfm)
Rpm
10,000 846
12,000 881
13,000 900
14,000 920
15,000 940
16,000 961
17,000 983
18,000 1005
19,000 1027
20,000 1050
21,000 1073
22,000 1097
23,000 1122
24,000 1146
25,000 1171
AIRFLOW
3.2
(Cfm)
Rpm
10,000 988
12,000 1019
13,000 1036
14,000 1054
15,000 1073
16,000 1092
17,000 1112
18,000 1132
19,000 1153
20,000 1174
21,000 1196
22,000 —
23,000 —
24,000 —
25,000 —
LEGEND
Bhp — Brake Horsepower
NOTES:
1. Fan performance is based on wet coils, economizer, roof curb, cabinet losses, and clean 2-in.
filters.
Table 9 — Fan Performance — 48AJ,AK050 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4 0.6 0.8
Bhp Rpm Bhp Rpm Bhp
3.38 604 3.79 647 4.20
4.33 645 4.77 685 5.20
5.45 689 5.91 725 6.37
6.75 734 7.23 768 7.72
8.24 780 8.75 812 9.26
9.93 828 10.46 858 11.00
11.84 877 12.39 905 12.95
13.96 926 14.54 953 15.11
16.32 976 16.91 1001 17.51
18.92 1027 19.53 1051 20.15
21.77 1078 22.40 1100 23.04
24.88 1129 25.52 1151 26.18
28.25 1181 28.92 1202 29.59
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.4 2.6 2.8
Bhp Rpm Bhp Rpm Bhp
7.81 971 8.30 1001 8.79
8.95 991 9.46 1021 9.97
10.27 1014 10.79 1043 11.31
11.77 1040 12.30 1068 12.84
13.47 1069 14.02 1095 14.57
15.38 1101 15.94 1126 16.51
17.49 1136 18.07 1159 18.66
19.83 1172 20.43 1195 21.03
22.40 1210 23.01 1232 23.64
25.20 1250 25.84 1271 26.48
28.25 1291 28.91 — —
— — — — —
— — — — —
Table 10 — Fan Performance — 48AJ,AK051 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4
Bhp Rpm Bhp
2.89 483 3.54
4.33 534 5.04
5.21 561 5.94
6.18 588 6.96
7.28 617 8.09
8.48 645 9.34
9.80 674 10.71
11.25 704 12.21
12.82 734 13.84
14.53 764 15.60
16.37 794 17.49
18.35 825 19.53
20.48 856 21.71
22.75 887 24.04
25.17 918 26.52
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.4
Bhp Rpm Bhp
6.60 711 7.42
8.24 751 9.12
9.22 772 10.11
10.30 793 11.21
11.50 816 12.43
12.82 839 13.76
14.27 862 15.23
15.85 886 16.82
17.58 911 18.56
19.44 936 20.44
21.46 961 22.47
23.62 987 24.64
25.93 1014 26.97
28.40 1041 29.46
31.02 1068 32.11
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.4
Bhp Rpm Bhp
10.82 876 11.69
12.78 911 13.72
13.88 929 14.85
15.06 948 16.06
16.36 968 17.38
17.76 989 18.80
19.28 1010 20.34
20.94 1032 22.01
22.72 1054 23.81
24.65 1076 25.76
26.73 1099 27.84
28.95 1123 30.08
31.33 1147 32.47
33.87 1171 35.02
36.58 1196 37.74
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4
Bhp Rpm Bhp
15.21 1014 16.09
17.54 1045 18.51
18.80 1061 19.80
20.13 1079 21.17
21.56 1097 22.63
23.08 1116 24.17
24.71 1135 25.83
26.46 1156 27.60
28.33 1176 29.48
30.33 1197 31.50
32.47 — —
— — —
— — —
— — —
— — —
1.0 1.2
Rpm Bhp Rpm Bhp Rpm
688 4.62 728 5.05 766
723 5.65 760 6.10 796
761 6.84 795 7.31 829
801 8.21 833 8.71 865
843 9.77 873 10.29 903
887 11.54 916 12.08 944
932 13.51 959 14.07 986
979 15.70 1004 16.28 1029
1026 18.12 1050 18.72 1074
1074 20.77 1097 21.40 1120
1123 23.68 1145 24.33 1166
1172 26.84 1193 27.51 1214
1222 30.27 1242 30.95 1262
3.0 3.2
Rpm Bhp Rpm Bhp Rpm
1030 9.29 1059 9.79 1086
1050 10.48 1078 11.00 1105
1071 11.84 1098 12.37 1125
1095 13.38 1121 13.93 1147
1121 15.13 1147 15.69 1172
1151 17.08 1175 17.66 1199
1183 19.25 1206 19.84 1229
1217 21.64 1239 22.25 1261
1253 24.26 1275 24.89 1296
1291 27.12 — — —
— — — — —
— — — — —
— — — — —
0.6
Rpm Bhp
538 4.25
585 5.78
610 6.70
636 7.74
662 8.90
689 10.17
717 11.58
745 13.11
773 14.77
802 16.57
831 18.51
861 20.59
890 22.81
920 25.19
951 27.72
1.6
Rpm Bhp
747 8.26
786 10.02
806 11.03
827 12.15
849 13.38
871 14.73
894 16.21
918 17.82
942 19.57
966 21.45
991 23.50
1016 25.69
1042 28.03
1068 30.54
1095 33.21
2.6
Rpm Bhp
906 12.56
939 14.67
957 15.82
976 17.07
996 18.41
1016 19.86
1036 21.42
1058 23.11
1080 24.92
1102 26.88
1124 28.97
1147 31.22
1171 33.63
1195 36.19
— —
3.6
Rpm Bhp
1039 16.98
1069 19.48
1086 20.81
1103 22.21
1121 23.70
1140 25.28
1159 26.95
1178 28.74
1199 30.65
— —
— —
— —
— —
— —
— —
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.
11
1.4 1.6 1.8
Bhp Rpm Bhp Rpm Bhp
5.49 803 5.94 839 6.40
6.55 831 7.02 864 7.49
7.79 861 8.27 893 8.76
9.20 895 9.71 925 10.21
10.81 932 11.33 960 11.86
12.62 971 13.16 998 13.71
14.63 1012 15.20 1037 15.77
16.87 1054 17.46 1078 18.05
19.33 1097 19.94 1121 20.55
22.03 1142 22.66 1164 23.29
24.98 1188 25.63 1209 26.28
28.18 1234 28.85 1255 29.52
31.64 1281 32.33 — —
3.4 3.6 3.8
Bhp Rpm Bhp Rpm Bhp
10.29 1113 10.80 1139 11.31
11.52 1131 12.05 1157 12.58
12.91 1151 13.46 1177 14.01
14.49 1172 15.05 1197 15.61
16.26 1196 16.83 1220 17.41
18.24 1223 18.83 1246 19.42
20.44 1252 21.04 1274 21.64
22.86 1283 23.48 — —
25.52 — — — —
— — — — —
— — — — —
— — — — —
— — — — —
0.8
Rpm Bhp Rpm
587 5.00 632
632 6.56 674
655 7.50 697
680 8.56 720
704 9.73 744
730 11.02 768
756 12.45 793
783 14.00 819
810 15.69 845
838 17.52 872
866 19.49 899
894 21.60 927
923 23.87 954
952 26.28 983
982 28.84 1011
1.8
Rpm Bhp Rpm
782 9.10 815
819 10.92 851
839 11.97 870
859 13.11 890
881 14.35 911
902 15.72 932
925 17.21 954
948 18.84 977
971 20.60 1000
995 22.50 1023
1019 24.55 1047
1044 26.76 1071
1069 29.11 1096
1095 31.63 1121
1121 34.31 1147
2.8
Rpm Bhp Rpm
934 13.44 961
967 15.62 993
984 16.81 1011
1003 18.08 1029
1022 19.45 1048
1042 20.92 1067
1062 22.51 1087
1083 24.21 1108
1105 26.04 1129
1126 28.01 1151
1149 30.13 1173
1172 32.39 1195
1195 34.80 —
— — —
— — —
3.8
Rpm Bhp Rpm
1063 17.88 1087
1093 20.45 1117
1109 21.82 1133
1126 23.26 1149
1144 24.78 1167
1162 26.38 1185
1181 28.09 —
— — —
— — —
— — —
— — —
— — —
— — —
— — —
— — —
2.0
Rpm Bhp
874 6.86
897 7.97
925 9.26
955 10.73
988 12.39
1024 14.26
1062 16.34
1102 18.64
1143 21.17
1186 23.93
1230 26.93
1275 30.19
— —
4.0
Rpm Bhp
1164 11.83
1183 13.12
1202 14.56
1222 16.18
1244 18.00
1269 20.02
1296 22.25
— —
— —
— —
— —
— —
— —
1.0
Bhp
5.79
7.39
8.34
9.41
10.59
11.90
13.34
14.91
16.62
18.47
20.47
22.61
24.90
27.34
29.94
2.0
Bhp
9.96
11.85
12.92
14.08
15.35
16.73
18.24
19.88
21.65
23.57
25.63
27.84
30.21
32.74
35.44
3.0
Bhp
14.32
16.58
17.80
19.11
20.50
22.00
23.60
25.33
27.18
29.17
31.29
33.56
—
—
—
4.0
Bhp
18.77
21.43
22.84
24.31
25.86
27.49
—
—
—
—
—
—
—
—
—