A 3 main engine with 3 tons of water, the compressor is Valley wheel. In the water temperature of 45 degrees, often high voltage protection, what is the reason, how to solve?
4: power line connection loose 4: fastening current wiring5: Transformer burned 5: Transformer replacement6: relay burn 6: replace relay7: compressor overload protection circuit 7: replace the thermal switch8: the temperature controller is bad or not set 8: replace the thermostat or reset9: high voltage relay circuit 9: check the cause of the circuit, after the reset
Three, fault phenomenon: compressor operation overloadCause of failure: way of elimination:1: the power supply voltage is too low 1: check the power supply voltage2: compressor terminal loose 2: check fastening terminalFour, fault phenomenon: compressor high-pressure protectionCause of failure: way of elimination:1: refrigerant charge excess 1: release excess parts2: fan motor does not turn or burn 2: check, repair or replace
Two, fault phenomenon: compressor noiseCause of failure: way of elimination:1: the internal pipeline, valve fastening parts 1: check the fastening pipe, valve loose, vibration2: oil pressure is too low 2: check the reason, replace the lubricating oil3: muffler bad 3: replace the muffler
First, the fault phenomenon: heat pump hot water unit does not workCause of failure: solution:1: no power input 1: cutout reset2: control circuit fuse fuse 2: replace fuse3: power supply short-circuit trip 3: find the cause of trip, reset the cut-off
