Viessmann VITOCAL 242-G Installation And Service Instructions Manual page 111

Further details regarding the individual steps
Select the installed auxiliary components or functions
Note
With system designs 2 to 6, the "Solar collector" and/or "Natural cooling"
options can be selected or deselected.
For system design 2, a heating water buffer cylinder can also be selected or
deselected.
Commissioning, inspection, maintenance
(cont.)
2. Only if the code request is dis-
played:
Enter the code for heating contrac-
tors ("SERVICE"; for details see
page 142).
3. Select the required system design
(2, 4 or 6) with >.
Note
The selected system design is
shown in the display area marked
A.
1. Start the selection or deselection of
auxiliary components for the dis-
played system design with "CON-
TINUE".
111