absorbing heat and reducing the room temperature. The evaporated
refrigerant vapor returns to the outdoor unit and is again sucked into the
compressor, completing the cycle. With the refrigerant cycling being kept
on, the objective of lowering the room temperature is fulfilled.
. Heating
After the power supply is switched on, the machine is set to HEAT
mode and the coil of the electromagnetic four-way valve is energized.
After the compressor starts to operate, the high-temperature and
high-pressure refrigerant gas first comes into the heat exchanger of the
indoor unit, where it is cooled, releases heat and increases the room
temperature. The cooled high-pressure refrigerant is then throttle1d in the
outdoor unit and returns to the compressor after evaporation. With such
cycles being maintained, the objective of increasing the room temperature
is fulfilled.
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