The evaporator coil operating temperature for a system with a 20°F split, 85°F return air, and 71°F supply air is:
A) COT = ((85°F - 71°F)/2 ) + 20 = 98°F. B) COT = 71°F - 20 = 51°F.
C) COT = 85°F - 20 = 75°F. D) COT = ((85°F - 71°F)/2 ) - 20 = 58°F.
D
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