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Only for training and service purposes
Part 2 Functions & Controls
1. List of Functions & Controls
Cooling Mode
Heating Mode
Healthy Dehumidification
Auto Changeover
Jet Cool
Jet Heat
Energy saving
Forced operation
Auto Clean
Air volume control
Natural Air control
Chaos Swing
Sleep mode Auto control
Auto Restart Function
Five Second Delay (Fan)
Two Minutes Stand-by
(Comp.)
Hot Start
Freeze prevention
Compressor Pre Heating
Sump Heater Control
Automatic Defrost
Power Relay Control
Inverter (with inverter
power control)
Overheating Protection
(Power Module)
Total Current Control
(Over Current Protection)
DC Peak Control
Discharge Pipe Temp Control
Low Ambient Function
Oil Return Control
Oil Equalizing Control
Category Function Description Remark
Cooling operation
Heating operation
Dry operation
Cooling mode is automatically changed to heating mode and
vice versa
Powerful cooling mode
Powerful heating mode
Air volume & set temp. are automatically selected for saving
energy in cooling mode
Operation without remote controller
After cooling operation, this function makes the evaporator
dry
Indoor Fan speed Control
Air volume control Program
Vertical Airflow Direction control
Air volume & set temp. are automatically changed for com-
fortable sleep
When power returns after a power failure, Unit restarts in the
previous operating mode
For noise prevention
For overload prevention
To prevent cold cold air from blowing on heating mode start
up until the evaporator coil has warmed up.
Evaporator frost prevention
To protect compressor
To protect fan from accumulated ice at base panel
Condenser frost prevention
Over current prevention
Modulation of voltage & frequency to allow the compressor to
run at various speeds.
To protect power module
To protect power device
To protect power module
For overheating protection
For operation at low temp.
To protect compressor
To protect compressor
Basic mode
controls
Special Mode
controls
Utility Functions
Protection
Controls &
Functions
Cooling Mode Only
9,12k Model Only