Daikin VRV III - Indoor Units

SiENBE37-701 Refrigerant Circuit
Refrigerant Circuit 67
1.7 Indoor Units
FXCQ, FXFQ, FXZQ, FXKQ, FXDQ, FXDYQ, FXSQ, FXMQ, FXHQ, FXAQ, FXLQ, FXNQ
No. Name Symbol Function
1
Electronic
expansion valve
Y1E
Used to control superheated degree of gas when
cooling and subcooled degree when heating. (Max.
2000 pls)
2
Suction air
thermistor
R1T Used for thermostat control.
3
Liquid pipe
thermistor
R2T
Used to control superheated degree of gas when
cooling and subcooled degree when heating.
4
Gas pipe
thermistor
R3T
Used for gas superheated degree control when
cooling.
3
2
4
1
Gas-side
Piping
Liquid-side
Piping
Electronic
Expansion Valve
FilterFilter
Fan