Refrigeration Cycle Diagram; Cu-4E23Qbr - Panasonic CU-4E23QBR Service Manual

4. Refrigeration Cycle Diagram

4.1

CU-4E23QBR

INDOOR A
INTAKE
TEMP.
SENSOR
PIPE
TEMP.
SENSOR
HEAT
EXCHANGER
(EVAPORATOR)
INTAKE
TEMP.
SENSOR
PIPE
TEMP.
SENSOR
HEAT
EXCHANGER
(EVAPORATOR)
INDOOR B
INTAKE
TEMP.
SENSOR
PIPE
TEMP.
SENSOR
HEAT
EXCHANGER
(EVAPORATOR)
INDOOR C
INTAKE
TEMP.
SENSOR
PIPE
TEMP.
SENSOR
HEAT
EXCHANGER
(EVAPORATOR)
INDOOR D
SENSOR
LIQUID SIDE
3-WAY VALVE
SENSOR
LIQUID SIDE
3-WAY VALVE
GAS SIDE
3-WAY VALVE
SENSOR
LIQUID SIDE
3-WAY VALVE
SENSOR
LIQUID SIDE
3-WAY VALVE
GAS SIDE
3-WAY
VALVE
GAS SIDE
3-WAY
VALVE
GAS SIDE
3-WAY VALVE
OUTDOOR
PIPE
EXPANSION
TEMP.
STRAINER VALVE A
PIPE
TEMP.
EXPANSION
STRAINER
VALVE B
PIPE
TEMP.
EXPANSION
STRAINER
PIPE VALVE C
TEMP.
3-WAY VALVE
EXPANSION
STRAINER
VALVE D
PIPE
TEMP.
SENSOR
PIPE
TEMP.
SENSOR
PIPE
TEMP.
SENSOR
PIPE
TEMP.
SENSOR
3-WAY VALVE
22
STRAINER
PIPE TEMP.
SENSOR (DEF)
INTAKE
TEMP.
SENSOR
HEAT
EXCHANGER
(CONDENSOR)
COMPRESSOR
TEMP.
SENSOR
ACCUMULATOR
PRESSURE
SWITCH
DISCHARGE
MUFFLER
COMPRESSOR
COOLING
HEATING
CONDENSOR
DISCH.
TEMP.
SENSOR