Operation Details - LG LP-8091PC Service Manual

4. Operation details

The function of main control
1. Time Delay Safety Control
• 3min ...
The compressor is ceased for 3 minutes to balance the pressure in the refrigeration cycle.
(Protection of compressor)
• 3sec ...
The indoor fan is ceased for 1~3 seconds to prevent relay noise.
(Protection of fan relay and micro chip)
2. Cooling Mode Operation
• When selecting the Cooling(
controller and the operation diagram is as following
Intake Air temp.
Setting Temp. +1°C
(Compressor ON)
Setting Temp. -1°C
(Compressor OFF)
Indoor Fan Speed
Compressor
3. Protection of the evaporator pipe from frosting
• Compressor and outdoor fan stop when indoor pipe temperature is below -2°C and restart at the pipe temperature
is above 12°C.
4. Child Lock function
The procedure is as the following
1st: Press the 2 buttons of the temperature control simultaneously, to raise-to lower on the Display Panel of the
product for more 3 seconds.
2nd: The buzzer sounds and then the window of Display Panel shows L L O O C C (LOC) mark.
3rd: To release this function, the reverse again the operating procedure could be done.
※ During this function is operating, any buttons of Display Panel don't work.
) Mode Operation, the unit will operate according to the setting by the
3 minutes
Selecting Selecting
fan speed fan speed
ON OFF
Selecting
fan speed
ON
– 9 –
3 minutes
Selecting Selecting
fan speed fan speed
OFF ON