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