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RT-PRC001-EN32
(15 Ton)
Standard Efficiency
Performance
Data
*Indicates both downflow and horizontal units.
Table PD-18 — Evaporator Fan Performance — 15 Ton — YC*180B
External Static Pressure (Inches of Water)
.10 .20 .30 .40 .50 .60 .70 .80 .90 1.00
CFM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
3 HP Standard Motor & Field Supplied Low Static Drive (1) 3 HP Standard Motor & Drive
4800 — — 584 1.22 613 1.33 647 1.49 676 1.59 704 1.71 732 1.84 759 1.98 485 2.13 811 2.26
5200 591 1.41 623 1.53 649 1.61 679 1.78 709 1.93 736 2.04 762 2.17 788 2.31 831 2.46 837 2.62
5600 633 1.76 661 1.89 688 1.96 713 2.09 742 2.29 769 2.43 793 2.55 817 2.69 542 2.84 865 3.00
6000 674 2.10 699 2.28 727 2.37 749 2.48 775 2.66 802 2.86 826 3.00 849 3.13 872 3.28 894 3.44
6400 716 2.52 739 2.73 766 2.85 788 2.94 809 3.08 835 3.30 860 3.50 882 3.65 903 3.79 925 3.94
6800 758 3.00 779 3.22 804 3.38 827 3.47 847 3.58 868 3.77 892 4.01 915 4.21 936 4.37 957 4.52
7200 800 3.54 820 3.76 842 3.96 866 4.07 885 4.17 904 4.32 925 4.54 948 4.81 970 5.01 990 5.17
5 HP Oversized Motor & Drive
Factory supplied motors, in commercial equipment, are
definite purpose motors, specifically designed and tested to
operate reliably and continuously at all cataloged conditions.
Using the full horsepower range of our fan motors as shown in
our tabular data will not result in nuisance tripping or
premature motor failure. Our product’s warranty will not be
affected.
For Standard Evaporator Fan Speed (RPM), reference Table PD-31.
For Standard Motor & High Static Drive Accessory Fan Speed (RPM), reference Table PD-32.
For Oversize Evaporator Fan Speed (RPM), reference Table PD-33.
Fan motor heat (MBH) = 3.15 x Fan Bhp.
Data includes pressure Drop Due to Wet Coils and Filters.
No accessories or options are included in pressure drop data.
Refer to Table PD-36 to determine add’l static pressure drop due to other options/accessories
Notes:
1. Field Supplied Fan Sheave BK105 Required. Field Supplied Belt may be necessary.
2. 5 HP Oversize Motor with Field Supplied Motor Sheave 1VP50 required. Field Supplied Belt may be necessary.
3. For 380V/60 Hz units, the oversized motor is used as the standard motor, Refer to “Motor and Sheave/Fan
Speed” tables to determine operating range.
Table PD-18 — Evaporator Fan Performance — 15 Ton— YC*180B — Continued
External Static Pressure (Inches of Water)
1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00
CFM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
3 HP Standard Motor & Drive 3 HP Standard Motor & High Static Drive Accessory
4800 836 2.38 862 2.51 887 2.64 912 2.77 937 2.90 962 3.04 987 3.19 1011 3.34 1034 3.49 1057 3.65
5200 861 2.76 885 2.90 908 3.04 932 3.18 955 3.31 978 3.46 1002 3.60 1025 3.75 1047 3.90 1070 4.06
5600 888 3.17 910 3.33 932 3.49 954 3.64 976 3.79 998 3.93 1020 4.08 1042 4.23 1063 4.38 1085 4.54
6000 916 3.61 938 3.78 959 3.96 980 4.13 1001 4.31 1021 4.46 1042 4.62 1062 4.78 1082 4.93 1103 5.09
6400 946 4.10 967 4.28 987 4.47 1007 4.66 1027 4.85 1047 5.03 1066 5.21 1085 5.38 1104 5.55 — —
6800 977 4.67 997 4.84 1017 5.03 1036 5.22 1055 5.42 1074 5.62 ————————
7200 1009 5.33 1028 5.49 1047 5.67 — — — — — — ————————
5 HP Oversized Motor & Drive
5 HP Oversized Motor & Field Supplied High Static Drive (2)