52
Performance 25 Ton
Data
✲Indicates both downflow and horizontal units.
Table 52-1 Evaporator Fan Performance 25 Ton YC
✲✲
✲✲
✲301C
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 & Low
Static Drive Accessory 7.5 HP Standard Motor & Sheaves
7000 600 2.47 626 2.68 650 2.85 673 3.02 695 3.20 718 3.40 740 3.60 763 3.82 785 4.04
7500 606 2.74 635 2.97 660 3.20 684 3.40 705 3.58 727 3.77 747 3.96 768 4.17 789 4.39 810 4.62
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 6.87 855 7.18 874 7.48 893 7.76 910 8.02 926 8.27 942 8.51 958 8.76
10500 828 7.21 850 7.52 870 7.85 890 8.18 909 8.50 — — — — — — — — — —
11000 866 8.26 886 8.59 906 8.92 — — — — — — — — — — — — — —
7.5 HP Standard Motor & High Static Drive Accessory
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
7000 806 4.26 828 4.47 849 4.70 870 4.93 891 5.17
7500 831 4.85 851 5.09 871 5.32 891 5.56 911 5.79
8000 857 5.51 876 5.76 896 6.01 915 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 & High Static Drive Accessory
Trane’s 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 53-1.
For Standard Motor & Low Static Drive, reference Table 53-4.
For Standard Motor & High Static Drive, reference Table 53-2.
NOTES:NOTES:
NOTES:NOTES:
NOTES:
Data includes pressure drop due to filters and wet coils.
Fan motor heat (MBH) = 3.15 x Fan Bhp.
Table 52-1 (Continued)
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