The sensing line for the low pressure cutout switch to a refrigeration system is located ().
A、in the chill box
B、before the receiver
C、on the suction side of the compressor
D、on the discharge side of the compressor
A、in the chill box
B、before the receiver
C、on the suction side of the compressor
D、on the discharge side of the compressor
A、The primary line module is inactive for five minutes and then becomes active. B、The primary line module is in standby mode,while the spare line module remains active. C、The primary line module becomes active immediately and the spare line module becomes inactive. D、The primary and spare line modules are active for five minutes,after which time the spare line module becomes inactive.
A、more slack in the mooring lines B、a strain on the mooring lines C、chafing gear on the mooring lines D、grease on the mooring lines
A、more slack in the mooring lines B、a strain on the mooring lines C、chafing gear on the mooring lines D、grease on the mooring lines
A、Feeling the surface of the line for broken fibers B、Measuring the reduction in circumference of the line C、Observing for the appearance of mildew on the outer surface D、Opening the strands and examining the inner fibers
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、check valve installed in the line B、shut off valve at a manifold near the pump C、quick disconnect union within ten feet of the pump D、regulator in the line set at 125 psi