Viessmann Vitodens 200 WB2C 45, Service Instructions Manual

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Heating program changeover Code
Changeover towards "Permanently reduced" or "Permanent
standby" mode (subject to the selected set value) d5:0
Changeover towards "Constant heating mode" d5:1
The duration of the heating program
changeover can be adjusted in coding
address "F2":
Heating program changeover Code
No heating program changeover F2:0
Duration of the heating program changeover 1 to 12 hours F2:1 to
F2:12
The heating program changeover stays
enabled for as long as the contact
remains closed, but at least as long as
the duration selected in coding address
"F2".
External blocking
The "External blocking" and "External
blocking and fault message input" func-
tions are connected via extension EA1.
There are 3 inputs available at extension
EA1 (DE1 to DE3). The function is selected via the following
codes:
External blocking Code
Input DE1 3A:3
Input DE2 3b:3
Input DE3 3C:3
External blocking and fault message input Code
Input DE1 3A:4
Input DE2 3b:4
Input DE3 3C:4
The effect on the internal circulation
pump is selected with code 3E. The effect on the relevant heating circuit
pump is selected with code d6.
Function description
Control functions
(cont.)
5692 843 GB