LG multi V ARUN Series Installation Manual page 95

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.
Max. RPM setting method
Set the DIP S/W
Reset the power
Note 1)
Setting the Fan Max. RPM
Setting Complete
Example of Max. RPM Setting
Setting Method for Fan Max. RPM
Step Black Button
1
2
3
4
5
6
7
8
9
[Heater Pump]
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.
Red Button
1 time 1 time
2 time 1 time
3 time 1 time
4 time 1 time
5 time 1 time
6 time 1 time
7 time 1 time
8 time 1 time
9 time 1 time
Warning : Please reset Main PCB before starting this function
RPM / Time Settings
Heat Pump
Cooling Only 16~23kW
Step
1
2
3
4
5
6
7
8
9
Noise
Heat Pump
Cooling Only
Step
Standard
DIP Switch Settings
Capacity
23~35kW
16kW 41~58kW
Judgment
29~41kW 46~58kW Time(Hr)
Fan Maximum RPM
730 790 900
620 680 800
510 620 780
Capacity
16kW 23~35kW
16~23kW 29~41kW
Noise(dB)
56 58
53 55
50 52
47 49
[Cooling only]
Installation Manual 95
Test Run
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
5 12
41~58kW
46~58kW
62
59
56
53