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Engine : Expired / Refrigeration AC - 250/252
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If the evaporator coil horizontal return line of a container refrigeration system is less than 0.875" (2.21 cm) in diameter (considered small), the thermostatic expansion valve sensing bulb should be attached where on the return line?
A) as close as possible to the expansion valve
B) directly below the point of maximum heat transfer
C) on the upper surface of the line
D) on the bottom of the line to enable the bulb to absorb the maximum amount of heat
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