Night Low Noise Function; Setting The Odu Address; Snow Removal & Rapid Defrost; Target Pressure Adjusting - LG ARUN050LMC0 Installation Manual

Night Low Noise Function

In cooling mode, this function makes the ODU fan operate at low RPM
to reduce the fan noise of ODU at night which has low cooling load.
Night low noise function setting method
Master unit PCB DIP switch on : No.5
Select the mode using '▶', '◀' Button :
"Func" Push the '●' button
Select the Function using '▶', '◀' Button :
"Fn3" Push the '●' button
Select the Option using '▶', '◀' Button :
"op1~op15" Push the '●' button
Start the Night low noise function :
Save the selected option value in EEPROM
Time Settings
Step Judgement Time(Hr)
op1 8
op2 6.5
op3 5
op4 8
op5 6.5
op6 5
op7 8
op8 6.5
op9 5
op10
op11
op12
op13 6.5
op14 6.5
op15 6.5
!
CAUTION
• Request installer to set the function during installation.
• If ODU RPM changes, cooling capacity may go down.

Setting the ODU address

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 :
"Fn5" Push the '●' button
Select the Option using '▶', '◀' Button :
"0" ~ "255" Push the '●' button
ODU address is set
!
CAUTION
• Ask an authorized technician to setting a function.
• If use a function, first install a Central controller.
Operation Time(Hr)
9
10.5
12
9
10.5
12
9
10.5
12
continuous operation
continuous operation
continuous operation
10.5
10.5
10.5
www.lgcomfortcooling.co.uk
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.

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.
Mode
Not setting
Snow removal mode
Rapid defrost mode
Condensing Evaporating
temperature temperature
Cool
variation variation
+2 °C -3 °C
-2 °C -1.5 °C
-4 °C +2.5 °C
-6 °C -4.5 °C
25