12. Indoor Unit Refrigerant Oil Self Recovery Control

W-2WAY ECO-i SYSTEM Control Functions

This control is carried out regularly in cooling mode only.

(1)During stopped, fan or thermostat OFF condition, indoor unit expansion valve is opened regularly for 1 to 2 min- utes regularly (at an interval of once every 2 hours.)

(2)During the thermostat ON, the indoor unit electronic thermostatic expansion valve is opened about 10 pulses from the current status.

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Sanyo CHDXR09663, CHDXR07263, CHDX09663, CHDX07263 service manual Indoor Unit Refrigerant Oil Self Recovery Control