Carrier 48AJ Operating And Service Manual page 21

AIRFLOW
0.2 0.4
(Cfm)
Rpm Bhp Rpm
12,000 516 4.81 569
14,000 584 6.90 632
15,000 619 8.13 664
16,000 654 9.49 697 10.36
17,000 689 10.99 730 11.90
18,000 725 12.64 764 13.58
19,000 760 14.43 798 15.41
20,000 796 16.37 833 17.39
21,000 832 18.47 867 19.54
22,000 869 20.74 902 21.84
23,000 905 23.17 937 24.31
24,000 942 25.78 973 26.95 1003 28.08 1032 29.18 1059 30.28 1086 31.38 1113 32.48 1138 33.59 1163 34.72 1187 35.86
25,000 978 28.56 1008 29.77 1037 30.93 1065 32.07 1092 33.20 1119 34.32 1144 35.44 1169 36.58 1193 37.72
26,000 1015 31.52 1044 32.76 1072 33.96 1099 35.13 1125 36.29 1151 37.44 1176 38.59
27,000 1052 34.66 1080 35.94 1107 37.18 1133 38.38 1159 39.57 1184 40.75
AIRFLOW
2.2 2.4
(Cfm)
Rpm Bhp Rpm
12,000 901 13.42 930 14.38
14,000 946 15.92 974 16.94 1001 17.97 1027 19.01 1052 20.06 1077 21.12 1101 22.18 1125 23.25 1148 24.33 1170 25.42
15,000 970 17.36 997 18.40 1024 19.45 1049 20.51 1074 21.58 1099 22.67 1122 23.76 1146 24.86 1168 25.97 1191 27.08
16,000 994 18.93 1021 19.98 1047 21.05 1072 22.14 1097 23.23 1121 24.34 1144 25.45 1167 26.58 1190 27.71
17,000 1019 20.63 1045 21.70 1071 22.79 1096 23.89 1120 25.01 1144 26.13 1167 27.27 1190 28.42
18,000 1045 22.48 1070 23.57 1096 24.67 1120 25.79 1144 26.93 1167 28.07 1190 29.23
19,000 1071 24.49 1096 25.59 1121 26.71 1145 27.84 1169 28.99 1192 30.16
20,000 1098 26.66 1123 27.77 1147 28.90 1171 30.05 1194 31.21
21,000 1125 28.99 1150 30.12 1173 31.26 1197 32.42
22,000 1153 31.49 1177 32.63
23,000 1181 34.16 —
24,000 — — —
25,000 — — —
26,000 — — —
27,000 — — —
AIRFLOW
0.2 0.4
(Cfm)
Rpm Bhp Rpm
4,000 394 1.06 409
5,000 388 1.26 445
6,000 421 1.72 485
7,000 471 2.38 528
8,000 522 3.19 573
9,000 575 4.16 621
10,000 629 5.30 671
11,000 683 6.62 723
12,000 739 8.12 776
13,000 794 9.82 829
14,000 850 11.73 883
15,000 906 13.85 938
AIRFLOW
2.2 2.4
(Cfm)
Rpm Bhp Rpm
4,000 823 4.50 856
5,000 843 5.14 876
6,000 863 5.88 896
7,000 887 6.77 919
8,000 915 7.82 946
9,000 947 9.03 976
10,000 981 10.42 1009 10.93 1037 11.45 1063 11.98 1089 12.50 1115 13.03 1140 13.56 1164 14.10 1188 14.64
11,000 1017 11.97 1045 12.51 1071 13.05 1097 13.60 1122 14.14 1147 14.69 1171 15.24 1195 15.79
12,000 1055 13.71 1082 14.27 1108 14.84 1133 15.40 1157 15.96 1181 16.53
13,000 1095 15.63 1121 16.22 1146 16.80 1170 17.39 1194 17.98
14,000 1136 17.74 —
15,000 — — —
LEGEND
Bhp — Brake Horsepower
NOTES:
1. Fan performance is based on wet coils, economizer, roof curb, cabinet
losses, and clean 2-in. filters.
Table 29 — Fan Performance — 48AW,AY060 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.6 0.8
Bhp Rpm Bhp Rpm Bhp
5.54 617 6.30 660 7.10
7.69 676 8.50 716 9.33
8.96 706 9.79 745 10.65
737 11.22 775 12.10
769 12.79 806 13.69
801 14.51 837 15.43
834 16.37 868 17.32
867 18.39 900 19.37
901 20.56 932 21.57
934 22.90 965 23.94
968 25.40 998 26.48 1027 27.55 1055 28.62 1081 29.70 1107 30.79 1133 31.90 1157 33.02
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.6 2.8
Bhp Rpm Bhp Rpm Bhp
958 15.36 985 16.34 1011 17.33 1036 18.33 1061 19.33 1085 20.34 1108 21.35 1131 22.36
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Table 30 — Fan Performance — 50AW,AY020,025 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.6 0.8
Bhp Rpm Bhp Rpm Bhp
1.13 473 1.47 530 1.82
1.57 504 1.93 557 2.30
2.12 540 2.52 590 2.92
2.80 580 3.24 627 3.67
3.64 621 4.10 666 4.56
4.63 666 5.11 708 5.60
5.79 712 6.30 751 6.81
7.14 761 7.66 797 8.19
8.67 811 9.21 845 9.76
10.40 862 10.97 893 11.53
12.34 914 12.92 944 13.51
14.48 967 15.09 995 15.70 1023 16.31 1050 16.92 1077 17.54
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.6 2.8
Bhp Rpm Bhp Rpm Bhp
4.90 887 5.30 917 5.71
5.57 908 6.00 938 6.44
6.34 927 6.79 958 7.25
7.24 949 7.71 979 8.18 1008
8.30 975 8.78 1004 9.27 1032
9.53 1004 10.03 1032 10.54 1059 11.05 1085 11.56 1111 12.08 1136 12.60 1161 13.13 1186 13.66
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1.0 1.2
Rpm Bhp Rpm Bhp Rpm
701 7.93 739 8.79 774
754 10.20 790 11.10 824 12.02
782 11.53 817 12.44 850 13.38
811 13.00 845 13.93 877 14.88
840 14.61 873 15.56 904 16.53
870 16.38 902 17.34 933 18.32
900 18.29 932 19.27 961 20.27
931 20.36 962 21.36 991 22.38 1019 23.42 1046 24.48 1072 25.56
963 22.59 992 23.61 1020 24.65 1048 25.71 1074 26.78 1100 27.87
995 24.98 1023 26.03 1051 27.09 1077 28.17 1103 29.26 1129 30.36
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3.0 3.2
Rpm Bhp Rpm Bhp Rpm
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1.0 1.2
Rpm Bhp Rpm Bhp Rpm
581 2.18 629 2.55 673
606 2.68 651 3.07 694
636 3.32 679 3.73 719
670 4.10 711 4.53 749
707 5.02 746 5.48 783
747 6.09 784 6.58 820
789 7.32 824 7.84 858
832 8.73 866 9.27 899
878 10.32 910 10.88 941 11.45
925 12.11 955 12.69 985 13.28 1013 13.86 1041 14.45 1069 15.04
973 14.10 1002 14.70 1030 15.30 1057 15.91 1084 16.52 1111 17.13
3.0 3.2
Rpm Bhp Rpm Bhp Rpm
946 6.12 974 6.53 1001
968 6.88 996 7.32 1024
987 7.71 1016 8.18 1043
8.66 1036 9.15 1063
9.77 1059 10.27 1086 10.77 1112 11.28 1137 11.80 1162 12.31
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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.
21
1.4 1.6 1.8
Bhp Rpm Bhp Rpm Bhp
9.68 808 10.59 841 11.52
857 12.97 888 13.94
882 14.35 912 15.33
908 15.86 938 16.86
935 17.52 964 18.54
962 19.33 990 20.36 1018 21.41
990 21.29 1018 22.34 1045 23.40
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3.4 3.6 3.8
Bhp Rpm Bhp Rpm Bhp
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1.4 1.6 1.8
Bhp Rpm Bhp Rpm Bhp
2.93 714 3.31 752 3.70
3.47 734 3.88 772 4.29
4.15 757 4.57 794 5.00
4.97 786 5.41 821 5.86
5.94 818 6.40 852 6.87
7.07 853 7.56 886 8.05
8.35 891 8.87 922 9.38
9.81 930 10.35 960 10.89
971 12.01 1000 12.58 1028 13.14
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3.4 3.6 3.8
Bhp Rpm Bhp Rpm Bhp
6.95 1027 7.36 1052 7.78 1076
7.77 1050 8.22 1076 8.67 1101
8.65 1070 9.13 1096 9.60 1122 10.08
9.64 1090 10.13 1116 10.63 1141 11.13
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2.0
Rpm Bhp
872 12.46
917 14.92
941 16.34
966 17.88
992 19.58
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4.0
Rpm Bhp
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2.0
Rpm Bhp
789 4.10
808 4.71
829 5.44
855 6.31
884 7.34
917 8.54
952 9.90
989 11.43
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4.0
Rpm Bhp
8.21
9.12
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