A、suction service valve as a vapor
B、suction service valve as a liquid
C、discharge service valve as a vapor
D、charging valve as a liquid
更多“To add refrigerant to the low side of an air conditioning system, the refrigerant should be introduced through the （）”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、add refrigerant to the system B、adjust the thermal expansion valve to the proper setting C、adjust the float valve to the proper holding pressure D、open the hand expansion valve
A、re-adjust the discharge pressure B、clean the expansion valve screen C、add refrigerant D、adjust the expansion valve
A、increase the amount of cooling water to the condenser B、decrease the amount of cooling water to the condenser C、add more refrigerant to the system D、remove some of the refrigerant from the system
A、discharge service valve as a vapor B、suction service valve as a liquid C、charging valve as a liquid D、condenser purge valve as a vapor
A、stop the refrigerant from flowing B、force the refrigerant to flow C、cause the refrigerant pressure to rise D、cause the refrigerant pressure to fall
A、The liquid receiver functions to collect and remove non-condensable gases B、A thermostatic expansion valve is used to control refrigerated space temperature C、Refrigerant temperature in an evaporator is directly related to refrigerant pressure D、Dehydrators must be used continuously in a refrigeration system
A、cool the expansion valve B、prevent refrigerant superheating C、condense the refrigerant gas D、prevent motor overheating
A、increase the refrigerating effect, by decreasing the amount of flash gas B、allow the refrigerant to enter the throttling device in a saturated condition C、increase the refrigerating effect by increasing the amount of flash gas D、minimize the temperature drop of the liquid as it passes through the solenoid valve to the outlet side
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