Installation – Vitotronic 100, GC1
Inserting the boiler coding card
Only use the boiler coding card included with the boiler.
Boiler
Vitocrossal 300, type CT3
Vitorond 200
Insert the boiler coding card through
the cut-out in the cover into slot X7.
30
Coding card
Part no.
1040
7820 144
1020
7820 142