38 Room Air Conditioner
• This is operation to preheat the compressor by conducting current through motor coils of the compressor for pre-
venting phenomena that liquid refrigerants are income due to difference between temperature of the outside pipe
and temperature of the compressor as outdoor temperature becomes low.
• Enter preheat operation of the compressor if meeting , , conditions as below at the same time.
where outdoor temperature is less than 5˚C
where discharge temperature of the compressor is more than 15˚C
where the compressor turns off
• Release preheat operation if meeting one or more of , , conditions.
where outdoor temperature is more than 5˚C
where diacharge temperature of the compressor is more than 25˚C
where the compressor turns on
1) The buzzer sounds 3 times if pressing the tact switch for 10seconds. If turning off the tack switch in this case, the
operation LED flickers and existing/additional heat Logic is toggled.
2) Display of operation LED in selection of heat option.
- When selecting additional heat Logic : Flickering numbers of LED; 1 time
- When selecting existing heat Logic : Flickering numbers of LED; 2 times
3) Setting is selectable regardless of operation status (on/off)
Preheat
Selection of Heat Logic Option
Operation
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