Operation

Thefunction ofmain control

1.Time delay Safety Control

3min.; The compressor operation is delayed for 3 minutes to balance the pressure of cycle. (Protection of compressor)

5sec.; The indoor fan is delayed for 5 seconds, when operating initially, to prevent noises occurred by the vertical louver and wind.

2min.; The reversing valve is delayed for 2 minutes to prevent the refrigerant-gas for abnormal noise when the heating operation is OFF or switched to the other operation mode while compressor is off.

While compressor is running, it takes 3~5 seconds to switch.

2. Chaos Swing Mode

By the Chaos Swing key input, the vane automatically operates with the Chaos Swing or they are fixed to the desired direction.

While in Chaos Swing mode, the angles of cooling and heating cycle operations are different.

< Cooling Mode >

< Heating Mode >

CLOSED

CLOSED

8°

OPEN

8°

OPEN

3.Cooling Operation Mode

When selecting the Cooling( ) Mode Operation, the unit will operate according to the setting by the remote control and the operation diagram is shown below.

INTAKE AIR TEMP.

SETTING TEMP. +1°F (Compressor ON)

SETTING TEMP. -1°F

 

 

 

 

 

(Compressor OFF)

 

More than

 

More than

 

 

 

3 minutes

 

3 minutes

 

INDOOR FAN SPEED

Setting

Low

Setting

Low

Setting

fan speed

fan speed

fan speed

 

 

 

COMPRESSOR

ON

OFF

ON

OFF

ON

Protection of the indoor heat exchanger from frosting

Compressor and outdoor fan stop when indoor pipe temperature is below 32°F(0°C) and restart at the pipe temperature is above 45°F(7°C).

Service Manual 37

Page 37
Image 37
LG Electronics LA120CPO Function of main control, Time delay Safety Control, Chaos Swing Mode, Cooling Operation Mode