Vrv Indoor Unit - Daikin VRV RXYMQ-A Series Service Manual

Refrigerant Circuit (Piping Diagrams)
1.2

VRV Indoor Unit

No. in piping
diagram
Electronic expansion valve
(1)
(2) Suction air thermistor
Indoor liquid pipe thermistor
(3)
Indoor gas pipe thermistor
(4)
 FXFSQ-AR
(3)
(2)
(1)
 FXMQ-PB
(3)
(2)
(1)
18
Electric
Name
symbol
Y1E
R1T
R2T
R3T
(4)
C: 4D121746
(4)
C: 4D110285
Applicable model
All indoor units
All indoor units
All indoor units
All indoor units
 FXDQ-PD, FXDQ-ND
(3)
(4)
 FXMQ-AR
(3)
(2)
(1)
SiME332106E
Function
Used for gas superheating degree
control while in cooling or subcooling
degree control while in heating.
Used for thermostat control.
Used for gas superheating degree
control while in cooling or subcooling
degree control while in heating.
Used for gas superheating degree
control while in cooling.
(1)
(2)
C: 4D115598B
(4)
C: 4D097585B
Part 2 Refrigerant Circuit