A、loose expansion valve control bulb
B、low differential setting on the H-Pcutout
C、blown fuse in the motor circuit
D、faulty suction pressure regulator
更多“When a refrigeration compressor motor fails to start, the FIRST thing that should be checked for is a （）.”相关的问题
A、A.increase the amount of cooling water to the condenser B、B.decrease the amount of cooling water to the condenser C、C.add more refrigerant to the system D、D.remove some refrigerant from the system
A、liquid strainer B、refrigerant inlet of the condenser C、inlet side of the evaporator D、suction side of the compressor
A、refrigerant must be bled off the sensing line before adjustments are made B、all refrigerant must be pumped into the receiver before adjustments are made C、time must be allowed for conditions to stabilize in the evaporator before further adjustments are made D、all refrigerant must be routed through the dehydrator while changing the superheat setting
A、refrigeration device B、refrigerant recovery C、refrigerant recycling D、refrigerant recharge
A、A.leaks in the ship's refrigeration system B、B.improper cleaning of the cargo spaces C、C.carriage at the wrong temperature D、D.improper precooling of the cargo spaces
A、available dunnage，and chocking B、crushability，and inherent vice C、sweat，and weight D、weight，and refrigeration
A、Too much refrigerant B、Too little refrigerant C、Refrigerant is ran out D、Running is over
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