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For heat pump models:
INDOOR
OUTDOOR
LIQUID SIDE
GAS SIDE
HEATEXCHANGE(EVAPORATOR)
HEATEXCHANGE(CONDENSER)
COMPRESSOR
2-WAY VALVE
3-WAY VALVE
CHECK VALVE(Heating Model only)
CAPILIARY TUBE
REVERSING VALVE(Heating Model only)
COOLING
HEATING
ACCUMULATOR