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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
1 time
2
2 time
3
3 time
4
4 time
5
5 time
6
6 time
7
7 time
8
8 time
9
9 time
[Heat 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
1 time
1 time
1 time
1 time
1 time
1 time
1 time
DIP Switch Settings
Warning : Please reset Main PCB before starting this function
RPM / Time Settings
Capacity
Heat Pump
16kW
23~35kW
41~58kW
Cooling Only
16~23kW
29~41kW
46~58kW
Fan Maximum RPM
Step
1
2
730
790
3
4
5
620
680
6
7
8
510
620
9
Noise
Heat Pump
16kW
16~23kW
Cooling Only
Step
Standard
56
53
50
47
[Cooling Only]
Installation Manual 95
Test Run
Judgment
Operation
Time(Hr)
Time(Hr)
8
9
6.5
10.5
900
5
12
8
9
6.5
10.5
800
5
12
8
9
6.5
10.5
780
5
12
Capacity
41~58kW
23~35kW
29~41kW
46~58kW
Noise(dB)
58
62
55
59
52
56
49
53
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