General - Viessmann VITODENS 222-F Service Instructions Manual

Vitodens 222-F B2TB 19 and 35 Service

General

Calling up coding level 2
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.
Heating systems with one heating circuit without
mixing valve and one or two heating circuits with
mixing valve:
The heating circuit without mixing valve is
designated "Heating circuit 1" and the heating
circuits with mixing valve as "Heating circuit 2"
or "Heating circuit 3".
Select "General"
Coding
Coding in the factory setting
00:2
Value address System type
00: ...
2 1
4 2
6 3, 4
System type 1:
One heating circuit without
mixing valve A1 (heating circuit 1)
Description
One heating circuit without mixing valve A1 (heating circuit 1), (code is adjusted
automatically).
One heating circuit with mixing valve (heating circuit 2).
One heating circuit without mixing valve A1 (heating circuit 1) and
one heating circuit with mixing valve M2 (heating circuit 2), (code is adjusted
automatically).
If the heating circuits were given individual designations,
the selected designation and "HC1", "HC2" or "HC3"
appear instead:
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"
- "DHW"
- "Heating circuit 1/2/3"
- "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 setting:
Select "Standard setting" in "Coding level 2".
Note: This also resets codes at coding level 1.
Possible change
00:2 For system type, see the
to following table:
00:10
Code 2
49