Calling Up Coding Level 2 - Viessmann VITOTRONIC 300 Installation And Service Instructions Manual

Vitotronic 300, GW5B & MW1B Installation and Service

Calling up Coding Level 2

Code 2, Vitotronic 300, GW5B
Note: At coding level 2, all codes are accessible,
including the codes at coding level 1.
Codes that have not been assigned due to the
heating system equipment level or the setting of
other codes are not displayed.
1. Press OK and simultaneously for approximately
4 seconds.
2. Press OK and simultaneously for approximately
4 seconds.
3. "Coding level 2"
4. Select group of required coding address:
- "General"
- "Boiler"
5. Select coding address.
6. Select value according to the following tables and
confirm with "OK".
7. If you want to reset all codes to their factory setting:
Select "Standard setting" in "Coding level 2".
Note: This also resets codes at coding level 1.
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