Carrier 50EW Air Conditioner User Manual


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Table 13 — Fan Performance, 50EJ038,044 and 50EK044 — Vertical Discharge Units
For EW/EY UNITS, REDUCE NET AVAILABLE EXTERNAL STATIC PRESSURE BY 0.5 IN. WG
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
8,000 448 2.18 498 2.87 544 3.25 589 3.64 631 4.04 671 4.44 710 4.86 747 5.27
9,000 492 2.87 537 3.68 580 4.09 621 4.50 660 4.92 698 5.35 734 5.78 769 6.22
10,000 537 3.69 578 4.63 617 5.07 655 5.50 692 5.95 727 6.39 761 6.85 795 7.30
11,000 582 4.65 620 5.75 657 6.20 692 6.66 726 7.13 759 7.60 792 8.07 823 8.55
12,000 629 5.75 664 7.02 698 7.50 730 7.98 763 8.47 794 8.96 824 9.45 854 9.95
13,000 675 7.00 708 8.48 739 8.98 770 9.48 800 9.99 830 10.50 859 11.01 887 11.53
14,000 722 8.42 753 10.11 782 10.63 811 11.16 840 11.69 868 12.22 895 12.75 922 13.29
15,000 770 10.00 798 11.94 826 12.48 853 13.03 880 13.57 907 14.13 932 14.68 958 15.24
16,000 817 11.76 844 13.96 870 14.53 896 15.09 922 15.66 947 16.23 971 16.81 995 17.38
17,000 865 13.70 890 16.19 915 16.78 940 17.37 964 17.95 988 18.54 1011 19.14 1034 19.73
18,000 913 15.83 937 18.64 961 19.25 984 19.85 1007 20.46 1030 21.07 1052 21.68 1074 22.30
19,000 961 18.16 984 21.32 1006 21.94 1029 22.56 1050 23.19 1072 23.82 1093 24.45 1115 25.08
20,000 1009 20.69 1031 24.22 1052 24.86 1074 25.50 1095 26.15 1115 26.80 1136 27.45 1156 28.10
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
8,000 783 5.70 818 6.13 852 6.56 884 7.00 916 7.45 947 7.90 978 8.36 1007 8.82
9,000 803 6.66 836 7.11 869 7.56 900 8.02 930 8.48 960 8.95 989 9.42 1018 9.90
10,000 827 7.77 858 8.23 889 8.70 919 9.18 948 9.66 977 10.15 1005 10.64 1032 11.13
11,000 854 9.03 884 9.51 913 10.00 941 10.50 969 11.00 997 11.50 1024 12.01 1050 12.52
12,000 883 10.45 911 10.96 939 11.47 967 11.98 993 12.50 1020 13.02 1046 13.54 1071 14.07
13,000 914 12.05 942 12.57 968 13.10 994 13.63 1020 14.17 1045 14.71 1070 15.25 1094 15.79
14,000 948 13.83 974 14.37 999 14.92 1024 15.47 1049 16.02 1073 16.58 1096 17.14 1120 17.70
15,000 983 15.80 1007 16.36 1032 16.92 1056 17.49 1079 18.06 1102 18.64 1125 19.21 1148 19.79
16,000 1019 17.96 1043 18.54 1066 19.13 1089 19.71 1111 20.30 1134 20.89 1156 21.49 1177 22.08
17,000 1057 20.33 1079 20.93 1102 21.53 1124 22.14 1145 22.75 1167 23.35 1188 23.97 — —
18,000 1096 22.91 1117 23.53 1138 24.15 1160 24.78 1180 25.40 — — — — — —
19,000 1135 25.72 1156 26.36 1176 26.99 1197 27.63 — — — — — — — —
20,000 1176 28.75 1196 29.41 — — — — — — — — — — — —
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4 3.6 3.8
Rpm Bhp Rpm Bhp Rpm Bhp
8,000 1036 9.29 1065 9.76 1092 10.24
9,000 1046 10.38 1073 10.87 1100 11.36
10,000 1059 11.63 1086 12.13 1112 12.64
11,000 1076 13.03 1102 13.55 1127 14.07
12,000 1096 14.60 1121 15.13 1145 15.67
13,000 1118 16.34 1142 16.89 1165 17.45
14,000 1143 18.26 1166 18.83 1188 19.40
15,000 1170 20.37 1192 20.96 — —
16,000 1199 22.68 ————
17,000 ——————
18,000 ——————
19,000 ——————
20,000 ——————
LEGEND
Bhp — Brake Horsepower
NOTES:
1. Fan performance is based on wet coils, economizer, roof curb,
cabinet losses, and clean 2-in. filters.
2. Conversion − Bhp to watts:
Bhp x 746
Watts =
Motor efficiency
3. VAV units will operate down to 70 cfm/ton.
37
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