Daikin REYQ-AATJA Service Manual page 92

Refrigerant Flow for Each Operation Mode
Oil Return Operation at Simultaneous Cooling and Heating Operation
High temperature, high pressure gas
High temperature, high pressure liquid
Low temperature, low pressure gas
Low temperature, low pressure liquid
Stop valve(With service φ5/16in.(7.9mm)flare connection)
Liquid
pipe
High/low pressure gas
pipe
Suction gas
pipe
85
Check valve
R11T Filter
Check valve
Electronic
expansion
valve(Y3E)
Check
valve
Plate heat
exchanger
Four way valve(Y8S)
Low pressure
sensor(S1NPL)
R5T SENPL
Accumulator
Filter
Pressure
Solenoid
regulating
valve(Y3S)
valve
Filter
Electronic
expansion
Capillary
Filter
valve(Y4E)
tube
Receiver
Solenoid
Capillary
valve(Y5S)
tube
Filter
Filter
Fusible
Double tube
plug
heat exchanger
Fan(M2F) Fan(M1F)
R1T
R2T M
Four way valve(Y10S)
R9T
Four way
valve(Y7S)
Heat exchanger
High pressure
sensor(S1NPH)
SENPH
Check valve
Strainer
High pressure
switch(S2PH)
HPS
Oil
separator
R17T
Filter
Compressor
R18T
M2C
INV2
Capillary
tube
SV Solenoid
valve(Y2S)
Solenoid
valve(Y4S)
SV
R19T
Check valve
Solenoid
valve(Y3S)
Check valve
R10T
Fusible
plug
Electronic
M R6T Filter expansion
valve(Y1E)
Electronic
R7T Filter
R8T Solenoid expansion
valve(Y2E)
valve(Y11S)
Check valve
Strainer
Oil High pressure
HPS
separator switch(S1PH)
R12T
R15T
Compressor
Filter
R16T
M1C
INV1
Capillary
tube
SV Solenoid
valve(Y1S)
Part 2 Refrigerant Circuit
SiUS372201EA
Electronic
expansion
valve(Y6E)
Inside
El.Compo.Box
Heat
sink
PCB
R20T
Electronic
expansion
valve(Y7E)
Outside
El.Compo.Box
Heat
sink
Air
R4T
Heat
sink
Air
R3T
C: 3D135726C