6. SYSTEM DESIGN
DIP SWITCH 1 SETTING
SW2 setting
Dual remote controller setting
Set the remote controller SW2 according to the following table.
(
u
...Factory setting)
Number 
of remote 
controller
Primary unit Secondary unit
SW2 SW2
u
1 (Normal) OFF -
2 (Dual) OFF ON
SW4 setting
°F / °C switch
Temperature display is Fahrenheit(°F) / Celsius(°C)
(
u
...Factory setting)
SW4
u
OFF °C
ON °F
SW6 setting
Memory backup setting
Set to ON to use batteries for the memory backup.
If batteries are not used, all of settings stored in memory will be deleted if there is a power 
failure.
(
u
...Factory setting)
SW6 Memory backup
u
OFF Invalidity
ON Validity
1 231 23
1 2 3
Indoor unit
Remote controller cable
Primary  
unit
Secondary
 unit
Remote controller
- (06 - 92) -
SYSTEM
DESIGN
SYSTEM
DESIGN