Night Low Noise Function - LG ARUN115DT2 Installation Manual

Test Run

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.
72 72 Outdoor Unit Outdoor Unit
Max. RPM setting method
Dip S/W No.12+14 ON
Main PCB Power Reset
Note 1)
STEP 1: Max. RPM =510
Black button 1 time + red button 1 time
STEP 2: Max. RPM = 450
Black button 2 times + red button 1 time
STEP 3: Max. RPM = 400
Black button 3 times + red button 1 time
Setting Complete
Night Low Noise Start
8 hours after max. ODU temp. sensing,
Operates with setting RPM
Night Low Noise End
9 hours after Night Low Noise function
start, the function ends automatically.
Caution
1. Request installer to set the function during installation.
2. In case the function is not used, set the dip S/W OFF and reset the power.
3. If ODU RPM changes, cooling capacity may go down.
[Note]
1. Select appropriate RPM referencing noise table.
Master ODU
SW01B
Master ODU
SW01S
SW01V
SW02V