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Installation Manual 89
ENGLISH
Test Run
Night Silent Operation
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.
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
1
2
8
6.5 10.5
9
512
9
8
6.5 10.5
512
9
8
6.5 10.5
12
5
620 780
680 800
900
Step
Capacity
(Hp)
Capacity
Fan Maximum RPM
Judgment
Time(Hr)
Operation
Time(Hr)
8
10~14
790
3
4
5
6
7
8
9
Reset the power
Setting the Fan Max. RPM
Note 1)
Setting Complete
Set the DIP S/W
DIP Switch Settings
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
Max. RPM setting method
Note 1)
Setting Method for Fan Max. RPM
Noise
Capacity
Capacity(HP) 8 10~14
Step Max. RPM Noise(dB)
Standard 58 62
①
55 59
②
52 56
③
49 53
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