Haier HR18D2VAR Installating And Operation Manual page 6

Figure 2
Cooling
INDOOR COIL
DISTRIBUTOR
Heating
INDOOR COIL
DISTRIBUTOR
!Warning -
The Bi-flow drier is strongly recommended to be installed by installer and replaced
once two years. This will give your equipment great help in long life.
Heat Pump Refrigerant Circuit
SERVICE PORT
SERVICE VALVE
COMPRESSOR
CHECK VALVE
ORIFICE
DRIER(optional)
SERVICE PORT
SERVICE VALVE
COMPRESSOR
CHECK VALVE
ORIFICE
DRIER(optional)
DISCHARGE TEMP. SENSOR
HIGH PRESSURE
SERVICE PORT
SERVICE PORT
DEFROSED SENSOR
CHECK VALVE ORIFICE
SERVICE VALVE
DISCHARGE TEMP. SENSOR
HIGH PRESSURE SWITCH
SERVICE PORT
SERVICE PORT
DEFROSED SENSOR
CHECK VALVE ORIFICE
SERVICE VALVE
4
REVERSING VALVE
LOW PRESSURE
ACCUMULATOR
OUTDOOR COIL
DISTRIBUTOR
REVERSING VALVE
LOW PRESSURE
ACCUMULATOR
OUTDOOR COIL
DISTRIBUTOR