Pioneer YN018GMFI16M2D Service Manual page 10

5.3 Refrigeration circuit drawing of inverter quad-zone
INDOOR
HEAT
EXCHANGE
(EVAPORATOR)
T2 Evaporator
temp. sensor
LIQUID VALVE A
LIQUID VALVE B
LIQUID VALVE C
LIQUID VALVE D
T1 Room
temp. sensor
GAS VALVE A
GAS VALVE B
GAS VALVE C
GAS VALVE D
OUTDOOR
EXV A CAPILIARY A
EXV B CAPILIARY B
CHECK VALVE
EXV C CAPILIARY C
EXV D CAPILIARY D
CAPILIARY TUBE
4-WAY VALVE
Accumulator
High pressure
switch
T5 Discharge
temp. sensor
Low pressure
switch
Compressor
9
T3
Condenser
temp. sensor
HEAT
T4 Ambient
EXCHANGE
temp. sensor
(CONDENSER)
COOLING
HEATING