Daikin RQYQ140-180PY1 Service Manual page 55

SiBE341001
2.5.7 Control of Refrigerant Amount
<Recovery of refrigerant>
Open the solenoid valve (Y2S, Y3S) when the load of the indoor unit is low and return the surplus refrigerant to the
refrigerant regulator.
<Discharge of refrigerant>
Open the solenoid valve (Y1S) and the electronic expansion valve (Y2E) when the load of the indoor unit is high and
discharge the refrigerant from the refrigerant regulator.
Function
Detailed Control Functions
Fan
M
Fan
M
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