LG MULTI V IV PRO ARUN080LLH4 Installation Manual page 68

ELECTRICAL WIRING
68
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
RPM/ Time Settings
Judgment Time
Step
(Hr)
op1
op2 6.5
op3
op4
op5 6.5
op6
op7
op8 6.5
op9
op10
op11
op12
op13 6.5
op14 6.5
CAUTION
!
• Request installer to set the function during installation.
• If setting the op 13,14 the cooling capacity may go down. When high load occurs at indoor, do
not use this function.
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~op14" 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
0
Continuous
0
operation
0
10.5
10.5
Noise
Heat Pump UX5
Step
op1~op3, op10 55
op4~op6, op11 52
op7~op9, op12 49
op13 55
op14 50
* Reducing noise by changing ODU RPM,
cooling capacity may go down. Please refer
to the following table.
Reference of Cooling Capacity Table
HP
8
Step
op13 100
op14 98
Capacity
UX6
Noise(dB)
59
56
53
55
50
10 12 14 16
98 87 67 60
78 69 55 49