Static Pressure Compensation Mode; Night Low Noise Function; Setting The Odu Address; Snow Removal & Rapid Defrost - LG MULTI V S ARUB060GSS4 Installation Manual

Static pressure compensation mode

This function secures the air flow rate of ODU, in case static pressure
has been applied like using duct at fan discharge of ODU.
Static pressure compensation mode setting method
Service PCB DIP switch on : No.5
Select the mode using '▶', '◀' Button :
"Func" Push the '●' button
Select the Function using '▶', '◀' Button :
"Fn2" Push the '●' button
Select the Option using '▶', '◀' Button :
"op1~op3" Push the '●' button
Start the Static pressure compensation mode :
Save the selected option value in EEPROM
FAN Maximum RPM of each step
Model
OP1
Max.RPM OP2
OP3

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
Service 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 continuous operation
op11 continuous operation
op12 continuous operation
op13 6.5
op14 6.5
op15 6.5
ARUB060GSS4
850
850
1 000
Operation Time(Hr)
9
10.5
12
9
10.5
12
9
10.5
12
10.5
10.5
10.5
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
Service 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.
Snow removal & rapid defrost
Mode setting method
Service 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 authorised technician to set up this function
• If you do not want to use this function, simply set off-mode
29
Mode
Not setting
Snow removal mode
Rapid defrost mode