Technibel CAFM1V Series Technical Data Manual page 70

2. Test Run
Examples of the No. of indoor units settings
No. of indoor units
1 unit (factory setting)
2 units
9 units
Examples of refrigerant circuit (R.C.) address settings (required when link wiring is used)
System address No.
System 1 (factory setting)
System 11
System 21
System 30
4
Indoor unit setting (S004)
(Rotary switch, red)
Set to 1
Set to 2
Set to 9
System address (S003)
(2P DIP switch, blue)
10 20
ON
ON
Both OFF
1 2 OFF
ON ON
1 ON
1 2
OFF
ON
ON
2 ON
1 2 OFF
ON
ON
1 & 2 ON
1 2 OFF
4 - 8
System address (S002)
(Rotary switch, black)
Set to 1
Set to 1
Set to 1
Set to 0
Test Run and Others