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35RT-PRC001-EN
Performance
Data
(25 Ton)
Standard Efficiency
*Indicates both downflow and horizontal units.
Table PD-21— Evaporator Fan Performance — 25 Ton — YC*300B
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 & Drive
7000 — — — — 614 2.59 639 2.77 662 2.94 684 3.11 706 3.30 728 3.49 750 3.70 773 3.92
7500 — — 621 2.85 647 3.08 671 3.29 693 3.48 715 3.66 736 3.85 756 4.05 777 4.26 797 4.47
8000 627 3.16 655 3.39 680 3.64 704 3.87 725 4.09 746 4.28 766 4.48 785 4.68 805 4.89 824 5.11
8500 662 3.76 689 4.00 714 4.26 737 4.52 758 4.76 778 4.98 797 5.18 815 5.39 834 5.61 852 5.83
9000 698 4.43 724 4.69 747 4.96 770 5.24 790 5.50 810 5.74 828 5.97 846 6.18 864 6.41 881 6.63
9500 734 5.18 758 5.45 781 5.73 803 6.02 823 6.31 842 6.58 860 6.83 878 7.06 895 7.29 911 7.53
10000 770 6.00 793 6.29 816 6.59 837 6.89 856 7.20 875 7.49 893 7.77 910 8.02 926 8.27 942 8.51
10500 806 6.92 829 7.22 850 7.53 870 7.85 890 8.17 908 8.48 ————————
11000 842 7.92 864 8.24 885 8.56 — — — — — — ————————
7.5 HP Standard Motor & Drive
7.5 HP Standard Motor & High StaticDrive Accessory
For Standard Evaporator Fan Speed (RPM), reference Table PD-31.
For Standard Motor and High Static Drive, reference Table PD-32.
For Standard Motor and Low Static Drive, reference Table PD-34.
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
Notes:
1. 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.
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.
Table PD-21 — Evaporator Fan Performance — 25 Ton — YC*300B — 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
7000 795 4.14 816 4.36 837 4.58 858 4.80 879 5.03
7500 818 4.70 839 4.94 859 5.18 879 5.41 899 5.65
8000 843 5.34 862 5.58 882 5.83 901 6.09 920 6.34
8500 870 6.06 888 6.30 906 6.55 924 6.81 943 7.08
9000 898 6.87 916 8.11 933 7.36 950 7.62 967 7.89
9500 928 7.77 944 8.01 960 8.27 977 8.53 — —
10000 — — — — — — — — — —
10500 — — — — — — — — — —
11000——————————
7.5 HP Standard Motor & High Static Drive Accessory