High Static Pressure Compensation Mode; Night Low Noise Function; Overall Defrost Mode; Setting The Odu Address - LG MULTI V 5 ARUM160LTE5 Installation Manual

High 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
Master unit 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
Chassis
Standard
Overload / Low
Temperature
Max. RPM op1
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
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
UXA UXB
880 1,000
880 1,150
910 1,040
930 1,070
950 1,100
Time Settings
Step Judgment Time(Hr)
op1
op2
op3
op4
op5
op6
op7
op8
op9
op10
op11
op12
Noise
Chassis UXA
Capacity 8~12hp
Step
op1~op3,op10 55
op4~op6,op11 52
op7~op9,op12 49
CAUTION
!
• Request installer to set the function during installation.
• If ODU RPM changes, cooling capacity may go down.

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
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
UXB
14~20hp 22~26hp
Noise(dBA)
59 60
56 57
53 55
45