Snow Removal & Rapid Defrost; Idu Capacity Adjusting; Target Pressure Adjusting; Comfort Operation - LG MULTI V IV ARUB080BTE4 Installation Manual

Snow removal & rapid defrost
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 :
"Fn6" Push the '●' button
Select the Option using '▶', '◀' Button :
"oFF","op1" ~ "op3" Push the '●' button
Mode is set
Mode setting
setting
oFF
op1
op2
op3 Snow removal mode. + Rapid defrost mode.
! CAUTION
• Ask an authorized technician to setting a function.
• If do not use a function, set an off-mode.

IDU capacity adjusting

If the operation of indoor unit is more than 130%, the air flow is oper-
ated as low in the all indoor units.
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 :
"Fn7" Push the '●' button
Select the Option using '▶', '◀' Button :
"on" ~ "oFF" Push the '●' button
IDU capacity adjusting is set
Step
OFF
ON
! CAUTION
• Ask an authorized technician to setting a function.
Mode
Not setting
Snow removal mode
Rapid defrost mode
Mode
Not setting
Low capacity mode

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" ~ "op4" Push the '●' button
Target pressure is set
Setting
Purpose
Mode
Heat
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
! 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.

Comfort Operation

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
Comfort Operation mode is set
Step
OFF
ON Changing the low pressure target in cooling
! CAUTION
• Ask an authorized technician to setting a function.
* If do not use a function, set an off-mode.
Condensing Evaporating
temperature temperature
Cool
variation variation
-3 °C +2 °C
-1.5 °C -2 °C
+2.5 °C -4 °C
-4.5 °C -6 °C
Mode
Not setting
35