Night Low Noise Function; Overall Defrost Mode; Setting The Odu Address - LG MULTI V IV ARUB080BTE4 Installation Manual

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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~op12" Push the '●' button
Start the Night low noise function :
Save the selected option value in EEPROM
Time Settings
Step Judgment Time(Hr)
op1
op2
op3
op4
op5
op6
op7
op8
op9
op10
op11
op12
Noise
Chassis
op1~op3, op10
op4~op6, op11
op7~op9, op12
CAUTION
!
• Request installer to set the function during installation.
• If ODU RPM changes, cooling capacity may go down.
Operation Time(Hr)
8 9
6.5 10.5
5 12
8 9
6.5 10.5
5 12
8 9
6.5 10
5 12
Continuous operation
Continuous operation
Continuous operation
Capacity
UX2 UX3
Noise (dB)
55 59
52 56
49 53

Overall defrost mode

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 :
"Fn4" Push the '●' button
Select the Option using '▶', '◀' Button :
"on" ~ "oFF" Push the '●' button
Overall defrost mode is set
Mode setting
- on: Operate overall defrost
- off: Operate partial defrost
CAUTION
!
• Ask an authorized technician to setting a function.

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.