Night Low Noise Function - LG ARUV140LTS4 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
Time Settings
Judgment
Step
Time(Hr)
op1
op2 6.5
op3
op4
op5 6.5
op6
op7
op8 6.5
op9
op10 Continuous operation
op11 Continuous operation
op12 Continuous operation
CAUTION
!
• Request installer to set the function during installation.
• If ODU RPM changes, cooling capacity may go down.
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
Operation
Time(Hr)
8 9
10.5
5 12
8 9
10.5
5 12
8 9
10
5 12
ELECTRICAL WIRING
Noise
Heat Pump UX2
Step
op1~op3, op10 55
op4~op6, op11 52
op7~op9, op12 49
73
Capacity
UX3
Noise(dB)
59
56
53