Operating instructions
45
Heating system designs
System version 15 (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 Only with Vitotronic 100 for low temperature boilers:
Oil fired operation (irreversible)
*1
0d : 0 Only with Vitotronic 100 for Vitocrossal 300:
Without Therm−Control
Automatic changeover
4A: 1 Only with Vitotronic 100 for low temperature boilers:
Connecting temperature sensor T1 to plug aJA
4b : 1 Only with Vitotronic 100 for low temperature boilers:
Connecting temperature sensor T2 to plug aJB
*1
If required.
5862730GB