AUX-Light CAC 50Hz R410A Trouble shooting
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4. System principle diagram
Cooling circle:
the Compressor inhales the low-temperature and low-pressure refrigerant vapor from the evaporator, and
vapor be turned into high-temperature and high-pressure gas then enters into condenser, the
high-temperature and high-pressure refrigerant gas and outdoor air make heat exchange in the
condenser, the compressed vapor is then cooled by heat exchange with the outside air, so that the vapor
condenses to be a high-temperature and high-pressure fluid, and then through capillary throttling to
cooled, low pressure, then the liquid enters into the evaporator and two-phase of gas and liquid refrigerant
in the evaporator completely evaporate, thereby cooling the indoor air; from evaporator the vapor is
inhaled into compressor again, so it runs continuously cycle to cycle, cooled air is continuous supplied to
the air-conditioned area though Duct by fan motor.
Heating cycle:
It is the contrary cycle of cooling cycle, at this moment the 4-way valve changes direction, and make
refrigerant flow to direction changer, that is, the vapor discharged from the compressor enters into the
indoor heat exchanger to condense, the condensation of refrigerant after the capillary expenditure,
evaporates in the outdoor heat exchanger, and then inhaled by the compressor after evaporation, so it
runs continuously periodically , the heated air is continuous supplied to the air-conditioned area though
duct by fan motor.
AL–H12/4R1D(U), AL–H18/4R1D(U)
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