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Service Manual
Indoor fan can be set at super-high, high, medium or low. Meanwhile, the fan will operate at super-high, high, medium and low fan speed
respectively and it can also set at auto fan speed.
(8) Memory Function
Memory content includes mode, up & down swing, light, set temperature and set fan speed, general timer (clock timer cant be
memorized), Upon power failure, the unit after power recovery will automatically start operation according to memorized content. The
unit, without timer setting before power failure, will operate according to the last setting after power recovery. The unit, with general timer
there is timer function in the last remote controller command but setting time has reached, the system will act as timer on/off setting before
power failure. After power failure, the system memorizes the operation states before power failure without timer action. Clock timer can not
be memorized.
(9) Locked protection to PG motor
If the indoor fan motors rotational speed after startup keeps slow for a continuous period of time, the unit will stop operation and display “H6”.
(10)Turbo Function
This function can be set in cooling or heating mode to quickly cool or heat the room(Turbo function is not available in auto, dry and fan
mode). After pressing the turbo button, indoor fan will operate at super-high fan speed.
4. Malfunction Detection for Temperature sensor
(1) Indoor ambient temperature sensor:
Malfunction of temperature sensor will be detected at any time;
(2) Indoor tube temperature sensor
Malfunction of temperature sensor wont be detected during defrosting period. It starts detecting the malfunction of temperature sensor
(3) Protection of temperature sensor
1. When the temperature sensor is detected short circuit for 5s successively:
The detected temperature by the temperature sensor is too high and the complete unit will stop operation, meanwhile, the protection and
malfunction of temperature sensor will be displayed accordingly.
2. When the temperature sensor is detected open circuit for 5s successively: The unit will stop operation due to protection and the
corresponding malfunction of temperature sensor will be displayed directly.
(3) Timer Change:
Timer ON and Timer OFF can be set via remote ON/OFF button,Timer time can be reset and the system will operate according to the latest
setting.
When the unit is on and Timer ON and Timer OFF are both set,the system will operate according to the set state.When the timer off time is
reathed,the system will stop.
When the system stops,and Timer On and Timer OFF are both set,the system will remain stop until timer on time is reached.After that,the unit
will operate according to the set mode everyday when the Timer oN time is reached.When the Timer OFF time is reached,the system will stop.if
timer on time is the same as timer off time ,the system will stop.
(6) Blow Function
Blow function can be set in cooling and dry mode.
(7) Indoor Fan Control
5.Refrigerant Recycling Function (applicable when changing installation location or in maintenance)
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