Carrier 48AJ Operating And Service Manual
Also see for 48AJ: Installation, Start-Up and Service InstructionsInstallation instructionsOperation and service guideStarted guide
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8Table 3 — Fan Performance — 48AJ,AK020,025 UnitsTable 4 — Fan Performance — 48AJ,AK027,030 UnitsLEGENDBhp — Brake HorsepowerNOTES:1. Fan performance is based on wet coils, economizer, roof curb, cabinetlosses, and clean 2-in. filters.2. Conversion — Bhp to watts:3. Variable Air Volume units will operate down to 70 cfm/ton. Performance at70 cfm/ton is limited to unloaded operation and may be additionally limitedby edb and ewb conditions.AIRFLOW(Cfm)AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp4,000 394 1.06 413 1.15 478 1.51 536 1.89 588 2.29 635 2.69 679 3.11 720 3.53 758 3.96 794 4.395,000 388 1.26 448 1.58 509 1.96 563 2.36 613 2.77 659 3.20 702 3.63 742 4.08 780 4.53 816 4.996,000 427 1.76 489 2.15 544 2.54 595 2.96 642 3.38 686 3.83 727 4.28 766 4.74 804 5.21 839 5.697,000 476 2.44 534 2.86 584 3.28 631 3.70 675 4.15 717 4.60 756 5.07 794 5.54 830 6.03 865 6.537,500 502 2.83 557 3.27 606 3.70 651 4.14 694 4.59 734 5.05 772 5.52 809 6.01 845 6.50 878 7.008,000 527 3.26 580 3.72 628 4.16 671 4.61 713 5.07 752 5.54 789 6.02 825 6.51 860 7.01 893 7.519,000 580 4.25 629 4.74 674 5.21 715 5.68 753 6.16 790 6.65 826 7.14 860 7.65 893 8.16 925 8.6710,000 633 5.40 679 5.93 721 6.43 760 6.93 796 7.43 831 7.94 865 8.45 897 8.96 929 9.49 959 10.0211,000 687 6.74 731 7.30 770 7.84 807 8.36 842 8.89 875 9.41 907 9.94 937 10.47 967 11.01 997 11.5512,000 741 8.26 783 8.86 820 9.43 855 9.98 888 10.53 920 11.08 950 11.62 980 12.18 1008 12.73 1036 13.2912,500 768 9.10 809 9.71 846 10.30 880 10.87 912 11.43 943 11.99 973 12.54 1002 13.10 1030 13.67 1057 14.2313,000 796 9.98 835 10.62 871 11.22 905 11.80 936 12.38 966 12.95 996 13.51 1024 14.08 1051 14.65 1078 15.23AIRFLOW(Cfm)AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp4,000 828 4.83 861 5.27 892 5.72 922 6.17 951 6.62 979 7.08 1006 7.54 1032 8.00 1058 8.47 1082 8.935,000 850 5.46 883 5.93 915 6.40 945 6.88 974 7.36 1002 7.85 1030 8.34 1056 8.83 1082 9.33 1107 9.826,000 873 6.18 906 6.67 937 7.17 967 7.67 997 8.18 1025 8.69 1052 9.20 1079 9.72 1105 10.24 1130 10.777,000 898 7.03 930 7.54 961 8.05 991 8.57 1020 9.10 1048 9.63 1075 10.16 1101 10.70 1127 11.25 1153 11.797,500 911 7.51 943 8.02 973 8.55 1003 9.08 1032 9.61 1060 10.15 1087 10.69 1113 11.24 1139 11.79 1164 12.358,000 925 8.03 956 8.55 986 9.08 1016 9.62 1044 10.16 1072 10.70 1099 11.26 1125 11.81 1150 12.37 1175 12.949,000 956 9.20 986 9.74 1015 10.28 1043 10.83 1071 11.38 1098 11.94 1124 12.50 1150 13.08 1175 13.65 1200 14.2310,000 989 10.56 1018 11.10 1046 11.66 1073 12.21 1100 12.78 1126 13.35 1152 13.93 1177 14.51 — — — —11,000 1025 12.10 1053 12.66 1080 13.23 1106 13.80 1132 14.37 1158 14.95 1182 15.54 — — — — — —12,000 1063 13.85 1090 14.42 1116 15.00 1142 15.58 1166 16.17 1191 16.76 — — — — — — — —12,500 1083 14.80 1109 15.38 1135 15.96 1160 16.55 1185 17.14 — — — — — — — — — —13,000 1104 15.81 1129 16.39 1155 16.98 1179 17.57 — — — — — — — — — — — —AIRFLOW(Cfm)AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp5,500 408 1.50 473 1.88 530 2.27 582 2.67 631 3.10 675 3.53 717 3.98 757 4.43 795 4.89 830 5.366,000 433 1.80 495 2.18 549 2.58 600 3.00 646 3.43 690 3.87 731 4.32 770 4.79 807 5.26 843 5.747,000 484 2.49 540 2.91 591 3.33 637 3.76 681 4.21 722 4.66 761 5.13 799 5.61 835 6.09 869 6.598,000 537 3.34 589 3.79 635 4.23 678 4.69 719 5.15 758 5.62 795 6.10 831 6.59 865 7.09 898 7.608,250 550 3.57 601 4.03 647 4.49 689 4.94 729 5.41 768 5.88 804 6.37 840 6.86 874 7.37 906 7.889,000 590 4.35 638 4.83 682 5.31 723 5.78 761 6.26 798 6.75 833 7.24 867 7.75 899 8.26 931 8.7810,000 645 5.53 690 6.05 731 6.56 769 7.05 805 7.55 840 8.06 873 8.57 905 9.09 936 9.61 967 10.1511,000 700 6.90 742 7.46 781 7.99 817 8.51 851 9.04 884 9.56 916 10.09 946 10.62 976 11.16 1005 11.7112,000 755 8.46 795 9.05 832 9.61 866 10.17 899 10.71 930 11.26 960 11.81 989 12.36 1018 12.91 1045 13.4713,000 811 10.23 849 10.85 884 11.44 917 12.02 948 12.59 978 13.16 1006 13.73 1034 14.30 1061 14.87 1088 15.4513,750 854 11.69 890 12.33 924 12.95 955 13.55 985 14.14 1014 14.72 1042 15.31 1069 15.89 1095 16.48 1121 17.0714,000 868 12.20 904 12.86 937 13.48 968 14.08 998 14.68 1026 15.27 1054 15.86 1081 16.45 1107 17.05 1132 17.6415,000 924 14.40 959 15.08 990 15.73 1020 16.37 1049 16.99 1076 17.61 1103 18.22 1128 18.83 1153 19.44 1178 20.05AIRFLOW(Cfm)AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp5,500 864 5.84 897 6.32 928 6.81 959 7.30 988 7.80 1016 8.30 1043 8.80 1070 9.31 1096 9.82 1121 10.336,000 876 6.23 909 6.72 940 7.22 970 7.72 999 8.23 1028 8.74 1055 9.25 1081 9.77 1107 10.29 1132 10.827,000 902 7.09 934 7.60 965 8.12 994 8.64 1023 9.17 1051 9.70 1078 10.23 1105 10.77 1131 11.32 1156 11.868,000 930 8.12 961 8.64 991 9.17 1020 9.71 1049 10.25 1076 10.80 1103 11.35 1129 11.90 1155 12.47 1180 13.038,250 938 8.40 969 8.92 998 9.46 1027 10.00 1055 10.54 1083 11.09 1109 11.65 1135 12.21 1161 12.78 1186 13.349,000 962 9.31 992 9.84 1021 10.39 1049 10.94 1076 11.49 1103 12.05 1130 12.62 1155 13.19 1180 13.76 — —10,000 996 10.69 1025 11.24 1053 11.79 1080 12.35 1107 12.92 1133 13.49 1158 14.07 1183 14.65 — — — —11,000 1033 12.26 1060 12.82 1087 13.39 1114 13.96 1139 14.54 1165 15.12 1189 15.71 — — — — — —12,000 1072 14.04 1099 14.61 1125 15.19 1150 15.77 1175 16.36 1199 16.96 — — — — — — — —13,000 1114 16.03 1139 16.62 1164 17.21 1188 17.80 — — — — — — — — — — — —13,750 1146 17.66 1171 18.26 1195 18.86 — — — — — — — — — — — — — —14,000 1157 18.23 1181 18.84 — — — — — — — — — — — — — — — —15,000 — — — — — — — — — — — — — — — — — — — —Watts = Bhp x 746Motor efficiency |
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