Haier AD125S2SM3FA - Page 131

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3U55S2SR2FA 3U70S2SR2FA
Comp- ressor
Discharge temp.
sensor
Oil separator
Capillary tube Ø2.7*Ø1.0*1400
High pressure
switch
4-way valve
Suction temp.
sensor
Low pressure
switch
Accumulator
Gas stop valve
Outdoor
heat
exchanger
temp.
sensor
FAN-OUT
Outdoor ambient temperatur
e
sensor
Defrost sensor
Distributor
Strainer
Check valve
Liquid stop vavle
5/8
3
Strainer
Unit A liquid pipe temp. sensor
Indoor unit A
Strainer
Unit B liquid pipe temp. sensor
Indoor unit B
Strainer
Unit C liquid pipe temp. sensor
Indoor unit C
Unit A gas pipe temp. sensor Unit B gas pipe temp. sensor
Unit C gas pipe temp. sensor
Indoor unit A Indoor unit B
Indoor unit C
4-way valve coil:
OFF ON
Refrigerant flow in cooling
Refrigerant flow in heating
FAN-IN
Indoor
ambient temperature
sensor
Indoor
heat
exchanger
temp.
sensor
EEV A
B VEE
EEV C
EEV O