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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.
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
Warning : Please reset SUB PCB before starting this function
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.
106
Outdoor Unit
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
RPM / Time Settings
Capacity(kW)
Step
1
①
2
3
4
②
5
6
7
③
8
9
Noise
Capacity(kW)
Step
Standard
①
②
③
DIP Switch Settings
Capacity
Judgment
22.4~33.6
39.2~56.0
Time
(hr)
Fan Maximum RPM
790
900
6.5
680
800
6.5
620
780
6.5
Capacity
22.4~33.6
Noise(dB)
58
55
52
49
Operation
Time
(hr)
8
9
10.5
5
12
8
9
10.5
5
12
8
9
10.5
5
12
39.2~56.0
62
59
56
53
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