106
Outdoor Unit
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
Example of Max. RPM Setting
Setting Method for Fan Max. RPM
RPM / Time Settings
Noise
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.
Reset the power
Setting the Fan Max. RPM
Setting Complete
Set the DIP S/W
Note 1)
DIP Switch Settings
Warning
: Please reset SUB PCB before starting this function
Step
Black Button
Red Button
1
1 time
1 time
2
2 time
1 time
3
3 time
1 time
4
4 time
1 time
5
5 time
1 time
6
6 time
1 time
7
7 time
1 time
8
8 time
1 time
9
9 time
1 time
Capacity
Judgment
Time
(hr)
Operation
Time
(hr)
Capacity(kW)
22.4~33.6
39.2~56.0
Step
Fan Maximum RPM
1
①
790
900
8
9
2
6.5
10.5
3
5
12
4
②
680
800
8
9
5
6.5
10.5
6
5
12
7
③
620
780
8
9
8
6.5
10.5
9
5
12
Capacity
Capacity(kW)
22.4~33.6
39.2~56.0
Step
Noise(dB)
Standard
58
62
①
55
59
②
52
56
③
49
53
Test Run
Summary of Contents for Multi V ARUB Series
Page 133: ......
