Operating instructions
29
Heating system designs
System version 8 (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
0d : 1 Temperature sensorT1 controls the mixers of downstream heating
circuits
Automatic changeover
4A: 1 Connecting temperature sensor T1 to plugaJA
*1
If required.
5862730GB