Service manual

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When heating, the setting temperature decreases 1 (be higher than 17 ) every one hour, 2 hours
later the setting temperature stops rising and indoor fan is fixed as low speed. (Anti-cold wind function
has the priority)
8.4.8.3 Timer setting is available
8.4.8.4 When user uses timer off function in sleep mode (or sleep function in timer off mode), if the
timing is less than 7 hours, sleep function will be cancelled when reaching the setting time. If the timing
is more than 7 hours, the machine will not stop until reaches the setting time in sleep mode.
8.4.9 Auto-Restart function
The indoor unit is equipped with auto-restart function, which is carried out through an auto-restart
module. In case of a sudden power failure, the module memorizes the setting conditions before the
power failure. The unit will resume the previous operation setting (not including swing function)
automatically after 3 minutes when power returns.
If the memorization condition is forced cooling mode, the unit will run in cooling mode for 30 minutes
and turn to auto mode as 24
setting temp.
If AC is off before power off and AC is required to start up now, the compressor will have 1 minute
delay when power on. Other conditions, the compressor will have 3 minutes delay when restarts.
8.4.10 Ionizer function (optional)
The indoor unit is equipped with Ionizer, which is controlled by the CLEAN AIR button on the remote
controller. When the unit is turned on, press the CLEAN AIR button to activate the function. Press it
again to stop the function. During the time when Ionizer is controlled by remote controller, Ionizer will
be turned off automatically if indoor fan stops running due to malfunctions or anti-cold-wind. When
indoor fan restarts after malfunctions being eliminated and anti-cold-wind being released, Ionizer will
be available again.
8.4.11, 8
Heating(optional)
In heating operation, the preset temperature of the air conditioner can be as lower as 8
, which keeps
the room temperature steady at 8
and prevents household things freezing when the house is
unoccupied for a long time in severe cold weather.