Figure 2 Heat Pump Refrigerant Circuit
4
SERVICE VALVE
SERVICE PORT
DISCHARGE TEMP. SENSOR
INDOOR COIL
DISTRIBUTOR
OUTDOOR COIL
COMPRESSOR
SERVICE PORT
ACCUMULATOR
HIGH PRESSURE
LOW PRESSURE
DEFROSED SENSOR
CHECK VALVE ORIFICE
DRIER(optional)
Cooling
SERVICE VALVE
SERVICE PORT
DISCHARGE TEMP. SENSOR
INDOOR COIL
DISTRIBUTOR
OUTDOOR COIL
COMPRESSOR
SERVICE PORT
ACCUMULATOR
HIGH PRESSURE SWITCH
LOW PRESSURE
DEFROSED SENSOR
CHECK VALVE ORIFICE
DRIER(optional)
Heating
REVERSING VALVE
R
ES
NEDNOC
R
O
T
A
ROPAV
E
REVERSING VALVE
R
ESN
E
D
N
O
C
RO
T
A
R
OPA
V
E
CHECK VALVE
ORIFICE
SERVICE VALVE
SERVICE PORT
SERVICE VALVE
SERVICE PORT
CHECK VALVE
ORIFICE
DISTRIBUTOR
DISTRIBUTOR
!Warning - The Bi-flow drier is strongly recommended to be installed by installer and replaced