Carrier 48AJ Operating And Service Manual page 17

AIRFLOW
0.2 0.4
(Cfm)
Rpm Bhp Rpm
4,000 394 1.06 422
5,000 394 1.29 461
6,000 445 1.87 505
7,000 498 2.59 553
7,500 526 3.02 578
8,000 554 3.48 604
9,000 610 4.55 657
10,000 668 5.80 711
11,000 727 7.25 766
12,000 786 8.90 823
12,500 816 9.81 852
13,000 846 10.77 880
AIRFLOW
2.2 2.4
(Cfm)
Rpm Bhp Rpm
4,000 832 4.86 864
5,000 856 5.53 889
6,000 882 6.31 914
7,000 910 7.22 941
7,500 925 7.73 956
8,000 941 8.29 971
9,000 975 9.54 1004 10.08 1033 10.62 1061 11.18 1088 11.73 1114 12.30 1140 12.86 1165 13.44 1190 14.01
10,000 1012 10.98 1040 11.54 1068 12.09 1094 12.66 1121 13.23 1146 13.80 1171 14.38 1196 14.97
11,000 1052 12.63 1079 13.20 1105 13.76 1131 14.34 1156 14.92 1181 15.51
12,000 1094 14.49 1120 15.07 1145 15.65 1170 16.24 1194 16.83
12,500 1115 15.51 1141 16.09 1166 16.68 1190 17.27
13,000 1138 16.58 1163 17.16 1187 17.76
AIRFLOW
0.2 0.4
(Cfm)
Rpm Bhp Rpm
5,500 424 1.59 487
6,000 451 1.90 511
7,000 506 2.65 560
8,000 562 3.56 612
8,250 577 3.81 625
9,000 620 4.65 666
10,000 679 5.93 721
11,000 738 7.40 777
12,000 798 9.09 835
13,000 859 11.01 893 11.60
13,750 905 12.59 937 13.20
14,000 920 13.14 952 13.76
15,000 981 15.52 1011 16.17 1040 16.80 1068 17.42 1095 18.04 1121 18.65 1146 19.27 1171 19.88 1195 20.50
AIRFLOW
2.2 2.4
(Cfm)
Rpm Bhp Rpm
5,500 871 5.94 904
6,000 885 6.36 917
7,000 914 7.29 945
8,000 946 8.38 976
8,250 954 8.68 984
9,000 981 9.65 1010 10.19 1038 10.74 1066 11.29 1093 11.85 1119 12.41 1145 12.98 1170 13.55 1195 14.13
10,000 1019 11.12 1047 11.67 1074 12.23 1101 12.79 1127 13.37 1152 13.94 1177 14.52
11,000 1059 12.79 1086 13.36 1113 13.93 1138 14.51 1163 15.09 1188 15.68
12,000 1102 14.68 1128 15.26 1153 15.85 1178 16.43
13,000 1147 16.80 1172 17.39 1196 17.99
13,750 1182 18.54 —
14,000 1194 19.15 —
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 21 — Fan Performance — 48AW,AY020,025 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.6 0.8
Bhp Rpm Bhp Rpm Bhp
1.20 486 1.56 542 1.94
1.66 520 2.04 573 2.44
2.26 559 2.66 609 3.08
3.01 603 3.44 649 3.87
3.45 626 3.89 670 4.33
3.93 650 4.38 692 4.84
5.03 699 5.51 739 5.98
6.31 751 6.82 788 7.32
7.79 804 8.32 839 8.85
9.48 858 10.03 891 10.59
10.40 885 10.97 918 11.53
11.38 913 11.96 944 12.54
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.6 2.8
Bhp Rpm Bhp Rpm Bhp
5.29 895 5.74 925 6.18
6.00 920 6.47 950 6.95
6.80 945 7.30 975 7.80 1004
7.73 971 8.25 1001 8.77 1029
8.25 986 8.78 1015 9.31 1043
8.82 1001 9.35 1029 9.89 1057 10.43 1084 10.98 1111 11.53 1137 12.08 1162 12.64 1187 13.21
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Table 22 — Fan Performance — 48AW,AY027,030 Units
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.6 0.8
Bhp Rpm Bhp Rpm Bhp
1.97 543 2.36 594 2.77
2.29 564 2.70 613 3.12
3.07 609 3.49 654 3.93
4.01 657 4.46 699 4.91
4.27 669 4.73 711 5.19
5.13 707 5.60 747 6.08
6.44 760 6.94 797 7.44
7.94 814 8.47 849 9.00
9.66 869 10.22 902 10.77
925 12.18 956 12.75
968 13.80 997 14.39 1026 14.98 1054 15.57 1081 16.16 1107 16.75 1133 17.34 1158 17.94
982 14.37 1011 14.97 1040 15.56 1067 16.16 1094 16.75 1120 17.34 1145 17.94 1170 18.54
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.6 2.8
Bhp Rpm Bhp Rpm Bhp
6.42 935 6.91 965 7.40
6.85 948 7.34 978 7.85 1006
7.80 975 8.31 1005 8.84 1033
8.90 1005 9.44 1034 9.98 1062 10.52 1089 11.07 1115 11.62 1141 12.18 1166 12.74 1191 13.30
9.21 1013 9.74 1042 10.29 1069 10.83 1096 11.39 1122 11.94 1148 12.50 1173 13.07 1197 13.64
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1.0 1.2
Rpm Bhp Rpm Bhp Rpm
594 2.34 640 2.74 683
622 2.85 667 3.28 709
655 3.51 698 3.95 738
692 4.32 732 4.78 771
712 4.79 751 5.26 789
733 5.30 771 5.78 808
777 6.47 813 6.96 848
824 7.82 858 8.33 891
872 9.37 905 9.90 936 10.44
923 11.13 953 11.68 983 12.24 1012 12.79 1040 13.35 1067 13.92
949 12.09 978 12.66 1007 13.22 1035 13.78 1063 14.35 1089 14.93
975 13.11 1004 13.68 1032 14.25 1059 14.83 1086 15.41 1112 15.99
3.0 3.2
Rpm Bhp Rpm Bhp Rpm
954 6.63 982 7.08 1009
979 7.42 1007 7.91 1034
8.30 1032 8.81 1059
9.29 1057 9.82 1084 10.36 1110 10.89 1136 11.43 1161 11.98
9.84 1071 10.38 1097 10.92 1123 11.47 1149 12.02 1173 12.57
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1.0 1.2
Rpm Bhp Rpm Bhp Rpm
641 3.20 685 3.63 726
659 3.55 702 4.00 742
697 4.38 737 4.84 776
739 5.38 777 5.86 814
750 5.66 788 6.14 824
784 6.57 820 7.06 855
832 7.94 866 8.45 898
882 9.52 914 10.05 944 10.59
933 11.32 963 11.86 993 12.42 1021 12.98 1049 13.54 1076 14.11
986 13.33 1015 13.90 1042 14.47 1070 15.04 1096 15.63 1122 16.21
3.0 3.2
Rpm Bhp Rpm Bhp Rpm
994 7.89 1022 8.39 1049
8.35 1034 8.86 1061
9.36 1061 9.89 1087 10.42 1114 10.96 1139 11.50 1164 12.05
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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.
17
1.4 1.6 1.8
Bhp Rpm Bhp Rpm Bhp
3.15 724 3.57 762 4.00
3.72 749 4.16 786 4.61
4.41 777 4.87 813 5.35
5.25 808 5.73 843 6.22
5.74 825 6.22 859 6.72
6.26 843 6.76 877 7.26
7.46 881 7.97 913 8.48
8.85 922 9.37 953 9.90
966 10.98 995 11.52 1024 12.07
3.4 3.6 3.8
Bhp Rpm Bhp Rpm Bhp
7.53 1035 7.99 1060 8.45 1085
8.39 1061 8.88 1086 9.37 1111
9.32 1085 9.84 1111 10.35 1136 10.87
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1.4 1.6 1.8
Bhp Rpm Bhp Rpm Bhp
4.08 765 4.54 802 5.00
4.45 780 4.92 817 5.39
5.31 813 5.79 848 6.28
6.34 848 6.84 882 7.35
6.63 858 7.13 891 7.64
7.56 888 8.07 920 8.59
8.97 930 9.50 960 10.03
974 11.13 1003 11.68 1032 12.23
3.4 3.6 3.8
Bhp Rpm Bhp Rpm Bhp
8.88 1075 9.39 1101 9.89 1126 10.40
9.37 1088 9.88 1113 10.40 1138 10.92
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2.0
Rpm Bhp
797 4.42
822 5.07
848 5.82
877 6.72
893 7.22
909 7.77
944 9.01
983 10.44
4.0
Rpm Bhp
8.91
9.86
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2.0
Rpm Bhp
838 5.47
851 5.87
881 6.78
914 7.86
923 8.15
951 9.12
990 10.57
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4.0
Rpm Bhp
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