Haier 3U19FS1ERA Service Manual - Page 79
Pipe system for 4U25/30HS1ERA
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>_]]VbTZR\ _^UZdZ_^Vb Pipe system for 4U25/30HS1ERA 4-way valve coil: OFF Refrigerant flow in cooling ON Refrigerant flow in heating Indoor heat exchanger temp. sensor FAN-IN Indoor ambient temperature sensor Indoor unit A Indoor unit B Indoor unit C Indoor unit D Unit A gas pipe temp. sensor Unit B gas pipe temp. sensor Unit C gas pipe temp. sensor Unit D gas pipe temp. sensor Indoor unit A Indoor unit B Indoor unit C Indoor unit D Unit A liquid pipe temp. sensor Strainer EEV A Unit B liquid pipe temp. sensor Strainer EEV B Unit C liquid pipe temp. sensor Strainer EEV C Unit D liquid pipe temp. sensor Strainer EEV D Compressor Suction temp. sensor Discharge temp. sensor Oil separator High pressure switch Capillary tube Ø2.7*Ø1.0*1400 Gas stop valve 4-way valve Low pressure switch Accumulator Pipe sensor Toci 5/8 Outdoor heat exchanger temp. sensor FAN-OUT Outdoor ambient temperature sensor Liquid stop vavle 3/8 Receiver EEV O Strainer Check valve Defrost sensor Distributor -78-