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41RT-PRC001-EN
*Indicates both downflow and horizontal units.
(25 Ton)
High Efficiency
Performance
Data
Table PD-30 — Evaporator Fan Performance — 25 Ton — YC*301C— Standard Refrigeration or TXV System
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
7.5 HP Standard Motor & Drive
8000 643 3.29 670 3.54 695 3.79 718 4.01 739 4.21 759 4.41 778 4.61 798 4.82 817 5.04 837 5.27
8500 680 3.92 705 4.18 729 4.44 752 4.69 772 4.92 792 5.13 810 5.33 829 5.55 847 5.77 865 6.00
9000 717 4.61 741 4.89 764 5.17 786 5.44 806 5.69 825 5.92 843 6.14 861 6.36 878 6.59 895 6.83
9500 754 5.39 777 5.68 799 5.98 820 6.27 840 6.55 859 6.80 876 7.04 893 7.27 910 7.50 926 7.74
10000 791 6.26 813 6.56 835 9.87 855 7.18 874 7.48 893 7.76 910 8.02 926 8.27 942 8.51 — —
10500 828 7.21 850 7.52 870 7.85 890 8.18 909 8.50 — — ————————
11000 866 8.26 886 8.59 — — — — — — — — ————————
7.5 HP Standard Motor & HighStatic Drive Accessory
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, reference Table PD-32.
For Standard Motor & Low Static Drive, reference Table PD-34.
Notes:
Data includes pressure drop due to filters and wet coils.
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
Fan motor heat (MBH) = 3.15 x Fan Bhp.
7.5 HP Standard Motor & Low Static Drive Accessory
Table PD-30— Evaporator Fan Performance — 25 Ton — YC*301C— Continued
External Static Pressure (Inches of Water)
1.10 1.20 1.30 1.40 1.50
CFM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
7.5 HP Standard Motor & Drive
8000 857 5.51 876 5.76 896 6.01 815 6.26 933 6.51
8500 884 6.24 903 6.50 921 6.76 940 7.03 958 7.30
9000 913 7.07 930 7.32 948 7.59 965 7.86 983 8.15
9500 943 7.99 959 8.25 976 8.51 — — — —
10000 — — — — — — — — — —
10500 — — — — — — — — — —
11000——————————
7.5 HP Standard Motor & HighStatic Drive Accessory