Indoor Unit Refrigerant Oil Self Recovery Control - Sanyo CHDXR09663* Service Manual

12. Indoor Unit Refrigerant Oil Self Recovery Control

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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W-2WAY ECO-i SYSTEM
Control Functions