70
ELECTRICAL WIRING
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
RPM/ Time Settings Noise
Reference of Cooling Capacity Table
* Reducing noise by changing ODU RPM,
cooling capacity may go down. Please refer
to the following table.
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~op14” Push the ‘●’ button
Start the Night low noise function :
Save the selected option value in EEPROM
Capacity
Cooling Only UX5 UX6
Step Noise(dB)
op1~op3, op10 55 59
op4~op6, op11 52 56
op7~op9, op12 49 53
op13 55 55
op14 50 50
CAUTION
• Request installer to set the function during installation.
• If setting the op 13,14 the cooling capacity may go down. When high load occurs at indoor, do
not use this function.
!
HP
10 12 14 16 18 20 22
Step
op13 98 87 67 60 54 48 44
op14 78 69 55 49 44 39 35
Step
Judgment 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
op9 5 12
op10 0
Continuous
operation
op11 0
op12 0
op13 6.5 10.5
op14 6.5 10.5
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