Viessmann VITOTRONIC 100 GC1 Installation And Service Instructions Manual page 34

Heating system types
Circuit Diagram 14 (CM2 only)
Possible applications
For heating circuits with different
temperatures.
IMPORTANT
This circuit diagram represents a
recommendation only. It is the
responsibility of the customer and/or
heating contractor to check that this
recommendation is complete and fully
functional.
Coding of Change required
system type
00: 1
02: 1 Set coding "02: 2" for operation with
modulating burner
0C: 4 Set coding "0C: 0"
0d: 2 Set coding "0d: 0"
34
(continued)
The Vitocrossal 200 is operated with
constant boiler water temperature by
means of the boiler control unit and the
Viessmann fully modulating burner.
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Automatic change
With DHW tank:
Coding is automatically changed to "00: 2"
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