Installation Manual
95
ENGLISH
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
Example of Max. RPM Setting
Setting Method for Fan Max. RPM
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.
RPM / Time Settings
Noise
1
2
8
6.5
10.5
9
5
12
9
8
6.5
10.5
5
12
9
8
6.5
10.5
12
5
730
620
510
620
780
680
800
900
Step
Cooling Only
Heat Pump
Capacity
Fan Maximum RPM
Judgment
Time(Hr)
Operation
Time(Hr)
16kW
16~23kW
23~35kW
29~41kW
41~58kW
46~58kW
790
3
4
5
6
7
8
9
56
58
62
53
55
59
50
52
56
47
49
53
Capacity
Noise(dB)
16kW
16~23kW
23~35kW
29~41kW
41~58kW
46~58kW
Standard
Step
Heat Pump
Cooling Only
Reset the power
Setting the Fan Max. RPM
Setting Complete
Set the DIP S/W
Note 1)
DIP Switch Settings
[Heat Pump]
[Cooling Only]
Warning
: Please reset Main 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
Summary of Contents for ARUN Series
Page 121: ......
