ELECTRICAL WIRING
69
ENGLISH
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.
Night low noise function setting method
Time Settings
Master unit PCB DIP switch on : No.5
Select the mode using ‘
▶
’, ‘
◀
’ Button :
“Func” Push the ‘
●
’ button
Select the Function using ‘
▶
’, ‘
◀
’ Button :
“Fn3” Push the ‘
●
’ button
Select the Option using ‘
▶
’, ‘
◀
’ Button :
“op1~op15” Push the ‘
●
’ button
Start the Night low noise function :
Save the selected option value in EEPROM
Step
Judgement
Time(Hr)
Operation
Time(Hr)
op1
8
9
op2
6.5
10.5
op3
5
12
op4
8
9
op5
6.5
10.5
op6
5
12
op7
8
9
op8
6.5
10.5
op9
5
12
op10
continuous operation
op11
continuous operation
op12
continuous operation
op13
6.5
10.5
op14
6.5
10.5
op15
6.5
10.5
CAUTION
!
• Request installer to set the function during installation.
• If ODU RPM changes, cooling capacity may go down.
