Panasonic U-8LE1R8 Installation Instructions Manual page 46

● Examples of the number of indoor units settings (SW3, SW4)
Number of indoor units
1 unit (factory setting)
11 units
13 units
● Examples of refrigerant circuit (R.C.) address settings (required when link wiring is used) (SW1, SW2)
System address No.
System 1 (factory setting)
System 11
System 21
System 30
The sub unit control P.C. board contains the same switches as the main unit control P.C. board for the number of indoor units, and
system address. However it is not necessary to set these switches.
Indoor unit setting (SW3)
(2P DIP switch)
10 20
ON
ON
Both OFF
OFF
1 2
ON
ON
1 ON
1 2
OFF
ON
ON
1 ON
1 2
OFF
System address (SW1)
(2P DIP switch)
10 20
ON
ON
Both OFF
1 2 OFF
ON
ON
1 ON
OFF
1 2
ON
ON
2 ON
1 2 OFF
ON
ON
Both ON
1 2 OFF
Indoor unit setting (SW4)
(Rotary switch)
Set to 1
Set to 1
Set to 3
System address (SW2)
(Rotary switch)
Set to 1
Set to 1
Set to 1
Set to 0
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