Haier CI0193AANB Installation, Operation And Technical Manual page 13

Part name
25%—50%—75% compressor capacity
regulation solenoid valve, control the
movement of capacity piston by oil
pressure drop so that the compressor can
adjust the capacity flexibly according to the
actual capacity.
Filter drier, used to remove moisture
and impurity in the refrigerant.
13
HAIER CHILLER