48
ENGLISH
Switch (Up)
Switch (Down)
Left side
Right side
CAUTION
!
• Ask an authorized technician to setting a function.
• If do not use a function, set an off-mode.
• If use a function, first install a Cool & Heat selector.
Setting the outdoor unit address (Fn 5)
How to set the mode
Turn on DIP switch No.5 of the master unit PCB
Use ‘▶‘ and ‘◀‘ button to mark “Func” in the 7
segment, and press ‘●‘ button.
Use ‘▶‘ and ‘◀‘ button to mark “Fn5” in the 7
segment, and press ‘●‘ button.
Use ‘▶‘ and ‘◀‘ button to select one among  “0” ~
“254” in the 7 segment, and press ‘●‘ button.
Outdoor unit address is set.
CAUTION
!
• Request the function settings to the installation specialist during
the outdoor unit  installation.
• If use a function, first install a Central controller.
Target pressure adjusting (Fn 8)
How to set the mode
Turn on DIP switch No.5 of the master unit PCB
Use ‘▶‘ and ‘◀‘ button to mark “Func” in the 7
segment, and press ‘●‘ button.
Use ‘▶‘ and ‘◀‘ button to mark “Fn8” in the 7
segment, and press ‘●‘ button.
Select the Option using ‘▶’, ‘◀’ Button :  
“op1” ~ “op4” Push the ‘●’ button
Decide target pressure according to the set mode.
Select the Option using ‘▶’, ‘◀’ Button :  
“HEAT”, “COOL” Push the ‘●’ button
CAUTION
!
• Ask an authorized technician to setting a function.
• If do not use a function, set an off-mode.
• Change a power consumption or capacity.
Setting
mode
Purpose
Condensing
temperature
variation
Evaporating
temperature
variation
“Heat” “Cool”
op1
Increase 
capacity
Increase 
capacity
-3 °C (26.6 °F) +2 °C (35.6 °F)
op2
Decrease power
consumption
Increase 
capacity
-1.5 °C (29.3 °F) -2 °C (28.4 °F)
op3
Decrease power
consumption
Decrease power
consumption
+2.5 °C (36.5 °F) -4 °C (24.8 °F)
op4
Decrease power
consumption
Decrease power
consumption
+4.5 °C (40.1 °F) -6 °C (21.2 °F)
Master unit PCB DIP switch on : No.5
Select the mode using ‘▶’, ‘◀’ Button : “Func” Push
the ‘●’ button
Select the Function using ‘▶’, ‘◀’ Button :  “Fn 12”
Push the ‘●’ button
Select the Option using ‘▶’, ‘◀’ Button :
“oFF”,“op1”,“op9” Push the ‘●’ button
Cool & Heat Selection mode is set
Compressor Max. Frequency Limit (Fn 12)
Mode setting method
Mode setting
- ON: Set to control the Low capacity mode
- OFF: Set not to control
Turn on DIP switch No.5 of the master unit PCB
Use ‘▶‘ and ‘◀‘ button to mark “Func” in the 7
segment, and press ‘●‘ button.
Use ‘▶‘ and ‘◀‘ button to mark “Fn7” in the 7
segment, and press ‘●‘ button.
Use ‘▶‘ and ‘◀‘ button to select between “ON” and
“OFF” in the 7 segment, and press ‘●‘ button.
IDU capacity adjusting mode is set
IDU capacity adjusting (Fn 7)
If the operation of indoor unit is more than 130 %, the air flow is
operated as low in the all indoor units.
How to set the mode
CAUTION
!
• Ask an authorized technician to setting a function.