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46 RT-PRC005-EN
Performance
Data
(3, 4, 5 Ton)
High Efficiency
Table PD-41— Direct Drive Evaporator Fan Performance — 3, 4, and 5 Ton — THC036A, THC048A, THC060A
External Static Pressure (Inches of Water) & Motor Power (Bhp)
1
Standard Motor Oversized Motor
Unit High Speed Low Speed High Speed Low Speed
Tons Model No. CFM ESP BHP ESP BHP ESP BHP ESP BHP
960 0.74 0.36 0.56 0.28 0.89 0.38 0.82 0.35
1020 0.69 0.37 0.49 0.28 0.85 0.39 0.77 0.36
1080 0.65 0.38 0.44 0.29 0.82 0.41 0.74 0.38
1140 0.61 0.39 0.37 0.29 0.77 0.43 0.69 0.40
3 THC036A 1200 0.55 0.40 0.29 0.30 0.74 0.44 0.65 0.41
Horizontal 1260 0.51 0.41 0.19 0.30 0.70 0.45 0.61 0.42
1320 0.46 0.42 0.10 0.31 0.67 0.47 0.57 0.44
1380 0.41 0.43 0.00 0.31 0.64 0.48 0.52 0.45
1440 0.34 0.44 — — 0.57 0.51 0.45 0.48
1280 0.90 0.53 0.79 0.47 1.16 0.67 0.95 0.56
1360 0.83 0.54 0.71 0.47 1.11 0.68 0.90 0.58
1440 0.76 0.54 0.65 0.48 1.06 0.70 0.85 0.60
1520 0.69 0.55 0.56 0.48 1.01 0.73 0.77 0.63
4 THC048A 1600 0.60 0.55 0.44 0.49 0.94 0.75 0.68 0.64
Horizontal 1680 0.51 0.56 0.32 0.49 0.89 0.78 0.59 0.66
1760 0.42 0.56 0.17 0.50 0.84 0.82 0.42 0.68
1840 0.31 0.57 0.05 0.50 0.75 0.83 0.29 0.70
1920 0.21 0.57 — — 0.67 0.85 0.18 0.73
1600 1.04 0.78 0.94 0.64 1.37 0.90 1.23 0.85
1700 0.97 0.80 0.81 0.65 1.29 0.94 1.13 0.89
1800 0.92 0.85 0.70 0.65 1.21 0.98 1.02 0.91
1900 0.82 0.88 0.61 0.65 1.20 1.02 0.92 0.94
5 THC060A 2000 0.74 0.90 0.45 0.66 1.03 1.05 0.81 0.95
Horizontal 2100 0.64 0.93 0.30 0.66 0.94 1.10 0.68 0.96
2200 0.51 0.94 0.15 0.67 0.83 1.12 0.47 0.96
2300 0.42 0.95 — — 0.73 1.17 0.23 0.97
2400 0.31 0.97 — — 0.60 1.20 — —
960 0.79 0.36 0.56 0.28 0.94 0.38 0.82 0.35
1020 0.74 0.37 0.54 0.28 0.90 0.39 0.82 0.36
1080 0.70 0.38 0.49 0.29 0.87 0.41 0.79 0.38
1140 0.66 0.39 0.42 0.29 0.82 0.43 0.74 0.40
3 THC036A 1200 0.60 0.40 0.34 0.30 0.79 0.44 0.70 0.41
Downflow 1260 0.56 0.41 0.24 0.30 0.75 0.45 0.66 0.42
1320 0.51 0.42 0.15 0.31 0.72 0.47 0.62 0.44
1380 0.46 0.43 0.05 0.31 0.69 0.48 0.57 0.45
1440 0.39 0.44 — — 0.62 0.51 0.50 0.48
1280 0.95 0.53 0.84 0.47 1.21 0.67 1.00 0.56
1360 0.88 0.54 0.76 0.47 1.16 0.68 0.95 0.58
1440 0.81 0.54 0.70 0.48 1.11 0.70 0.90 0.60
1520 0.74 0.55 0.61 0.48 1.06 0.73 0.82 0.63
4 THC048A 1600 0.65 0.55 0.49 0.49 0.99 0.75 0.73 0.64
Downflow 1680 0.56 0.56 0.37 0.49 0.94 0.78 0.64 0.66
1760 0.47 0.56 0.22 0.50 0.89 0.82 0.47 0.68
1840 0.36 0.57 0.10 0.50 0.80 0.83 0.34 0.70
1920 0.26 0.57 — — 0.72 0.85 — —
1600 1.09 0.78 0.99 0.64 1.42 0.90 1.28 0.85
1700 1.02 0.80 0.86 0.65 1.34 0.94 1.18 0.89
1800 0.97 0.85 0.75 0.65 1.26 0.98 1.07 0.91
1900 0.87 0.88 0.66 0.65 1.25 1.02 0.97 0.94
5 THC060A 2000 0.79 0.90 0.50 0.66 1.08 1.05 0.86 0.95
Downflow 2100 0.69 0.93 0.35 0.66 0.99 1.10 0.73 0.96
2200 0.56 0.94 0.20 0.67 0.88 1.12 0.52 0.96
2300 0.47 0.95 — — 0.78 1.17 0.28 0.97
2400 0.36 0.97 — — 0.65 1.20 — —
Fan motor heat (MBH) = 3.72 x Fan Bhp + .24.
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.
Notes:
1. Data includes pressure drop due to wet coil and filters.
2. 5 ton oversized motor performance is with 12 x 11 FC blower wheel.