Calling Up Coding Level 1 - Viessmann VITOTRONIC 300 Installation And Service Instructions Manual

Vitotronic 300, GW5B & MW1B Installation and Service

Calling up Coding Level 1

Note:
H The codes are displayed as plain text.
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 system circuit and one
or two heating circuits with mixing valve: In the
following, the system 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. "Coding level 1"
3. Select group of required coding address:
H "General"
H "Cascade"
H "DHW"
H "Solar"
H "Heating circuit 1/2/3"
H "All codes std device"
In this group, all coding addresses from coding
level 1 (except the coding addresses from the
"Solar" group) are displayed in ascending order.
4. Select coding address.
5. Select value according to the following tables and
confirm with OK.
6. If you want to reset all codes to their factory set
condition:
Select "Standard setting" in "Coding level 1".
Note: This also resets codes from coding level 2.
Code 1, Vitotronic 300-K
79