Operating instructions
20
Heating system designs
System version 5 (cont.)
Codes must be set on every Vitotronic 100.
Required coding
01 : 2 Multi−boiler system with cascade control via LON BUS
01 : 3 Multi−boiler system with external cascade control via switching
contacts
02 : 2 Modulating burner operation
*1
03 : 1 Oil fired operation (irreversible)
*1
Automatic changeover
4A: 1 Connecting temperature sensor T1 to plugaJA
4b : 1 Connecting temperature sensor T2 to plugaJB
*1
If required.
5862730GB