Vrv Indoor Unit - Daikin RXQ12AHR 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
Indoor heat exchanger
(2)
Fan
(3)
Filter (1) Filter
 FXMQ-AR
(3)
(2)
(1)
46
Electric
Name
symbol
Y1E
R1T
R2T
R3T
Gas piping
connection port
(4)
Liquid piping
connection port
C: 4D024460P
(4)
C: 4D097585B
Applicable model
All indoor units
All indoor units
All indoor units
All indoor units
 FXMQ-PB
(3)
(2)
(1)
 FXAQ-P
Indoor heat exchanger
Fan
(3)
(2)
Filter Filter
(1)
SiAF341904E
Function
Used for gas superheated degree
control while in cooling.
Used for thermostat control.
Used for gas superheated degree
control while in cooling.
Used for gas superheated degree
control while in cooling.
(4)
C: 4D110285
Gas piping
connection port
(4)
Liquid piping
connection port
C: 4D034245R
Part 2 Refrigerant Circuit