Calling Up Coding Level 2 - Viessmann VITOTRONIC300 Installation And Service Instructions Manual

Vitotronic 300, GW2B Installation and Service

Calling up Coding Level 2

Note:
H In coding level 2, all codes are accessible, including the
codes from coding level 1.
H Codes that have no function due to the heating system
equipment level or the setting of other codes are not
displayed.
H Heating systems with one heating circuit and
one or two heating circuits with mixing valve:
In the following, the heating circuit is designated
"Heating circuit 1" and the heating circuits with mixing
valve as "Heating circuit 2" or "Heating circuit 3".
If the heating circuits were given individual
designations, the selected designation and "HC1",
"HC2" or "HC3" appear instead.
1. Press OK and simultaneously for approx. 4 sec.
2. Press OK and simultaneously for approx. 4 sec.
3. "Coding level 2"
4. Select group of required coding address:
H "General"
H "Boiler"
H "DHW"
H "Solar"
H "Heating circuit 1/2/3"
H "All codes std device"
In this group, all coding addresses (except the
coding addresses from the "Solar" group) are
displayed in ascending order.
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 set
condition:
Select "Standard setting" in "Coding level 2".
Note: This also resets codes from coding level 1.
Code 2
97