Target Pressure Adjusting; High Efficiency Cooling Mode; Auto Dust Removal Mode - LG MULTI V IV PRO ARUN220LLN4 Installation Manual

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Target pressure adjusting

Mode setting method
Master unit PCB DIP switch on : No.5
Select the mode using '▶', '◀' Button :
"Func" Push the '●' button
Select the Function using '▶', '◀' Button :
"Fn8" Push the '●' button
Select the Option using '▶', '◀' Button :
"HEAT" , "COOL" Push the '●' button
Select the Option using '▶', '◀' Button :
"op1" ~ "op6" Push the '●' button
Target pressure is set
Setting
Purpose
mode
Heat
oFF Not setting
op1 Increase capacity Increase capacity
Decrease power
op2 Increase capacity
consumption
Decrease power
Decrease power
op3
consumption
consumption
Decrease power
Decrease power
op4
consumption
consumption
Decrease power
Decrease power
op5
consumption
consumption
Decrease power
Decrease power
op6
consumption
consumption
! CAUTION
• Ask an authorized technician to setting a function.
• If do not use a function, set an off-mode.
• Change a power consumption or capacity.
Condensing Evaporating
temperature temperature
Cool
variation variation
+2 °C -3 °C
-2.5 °C -1.5 °C
-4.5 °C +2.5 °C
-6.5 °C +4.5 °C
-8.5 °C +6.5 °C
-10.5 °C +8.5 °C
High Efficiency cooling mode
According to the change of outdoor temperature, switch the target
pressure for the high energy efficiency.
Mode setting method
Master unit PCB DIP switch on : No.5
Select the mode using '▶', '◀' Button :
"Func" Push the '●' button
Select the Function using '▶', '◀' Button :
"Fn9" Push the '●' button
Select the Option using '▶', '◀' Button :
"on" ~ "oFF" Push the '●' button
Start the High Efficiency cooling mode :
Save the selected option value in EEPROM
! CAUTION
• Ask an authorized technician to setting a function.
• If use a function, first install a Central controller.

Auto dust removal mode

Reversing rotation of the fan motor, it's possible to remove dust auto-
matically.
Mode setting method
Master unit PCB DIP switch on : No.5
Select the mode using '▶', '◀' Button :
"Func" Push the '●' button
Select the Function using '▶', '◀' Button :
"Fn10" Push the '●' button
Select the Option using '▶', '◀' Button :
"on" ~ "oFF" Push the '●' button
Auto dust removal mode is set
! CAUTION
• Ask an authorized technician to setting a function.
• If use a function, first install a Central controller.