A pressure drop through the refrigerant liquid line may cause ().
A、solenoid valve to seize
B、compressor to hunt
C、formation of flash gas in the liquid line
D、expansion valve to freeze open
A、solenoid valve to seize
B、compressor to hunt
C、formation of flash gas in the liquid line
D、expansion valve to freeze open
A、drops,and the temperature drops B、drops,and the temperature rises C、rises,and the temperature drops D、rises,and the temperature rises
A、Drops,and the temperature drops B、Drops,and the temperature rises C、Rises,and the temperature drops D、Rises,and the temperature rises
A、open the filter and inspect the elements B、check the lube oil pump discharge pressure C、check the lube oil header pressure D、check the pressure drop across the filter
A、protect the compressor from liquid flood back B、protect the compressor from low discharge pressure C、start and stop the compressor upon system demand D、start the compressor after a drop in the evaporator pressure
A、A.drops and winds become variable B、B.rises and winds become gusty C、C.drops and winds become gusty D、D.rises and winds become variable
A、temperature in the space being cooled B、liquid refrigerant pressure at the solenoid valve C、pressure drop across the evaporator coils D、refrigerant gas superheat at the coil outlet
A、temperature in the space being cooled B、liquid refrigerant pressure at the solenoid valve C、pressure drop across the evaporator coils D、refrigerant gas superheat at the coil outlet