Codes Coding Level 1; Calling Up Coding Level 1; General"/Group 1 - Viessmann Vitodens 222-F Installation And Service Instructions For Contractors

Coding level 1

Calling up coding level 1

On weather-compensated control units, codes are
■
displayed as plain text.
■ Codes that are not assigned, due to the heating sys-
tem equipment level or the setting of other codes,
are not displayed.
■ Heating systems with one heating circuit without
mixer and one or two heating circuits with mixer:
Below, the heating circuit without mixer is designated
"Heating circuit 1" and the heating circuits with
mixer as "Heating circuit 2" or "Heating circuit 3".
If the heating circuits were given individual designa-
tions, the selected designation and "HC1", "HC2" or
"HC3" appear instead.
Weather-compensated control unit
The codes are divided into groups
"General"
■
"Boiler"
■
"DHW"
■
"Heating circuit 1/2/3"
■
"All codes std device"
■
In this group, all coding addresses from coding level 1
are displayed in ascending order.
"Standard setting"
■
Call up code 1
Service menu:
1. Press OK and simultaneously for approx. 4 s.
å
2. "Coding level 1"
3. Select group of required coding address.
4. Select coding address.
5. Set the value according to the following tables and
confirm with OK.
Resetting all codes to their delivered condition
Select "Standard setting".
Note
This also resets codes at coding level 2.

"General"/Group 1

Select "General" for weather-compensated control
units (see page 55).
Constant temperature control unit
1: "General"
2: "Boiler"
3: "DHW"
5: "Heating circuit 1"
6: "All codes std device"
In this group, all coding addresses from
coding level 1 are displayed in ascending order.
7: "Standard setting"
Service menu:
1. Press OK and simultaneously for approx. 4 s.
å
2. Select " 1 " with for coding level 1 and confirm with
Ú
OK.
3. "I" flashes on the display for the coding addresses in
group 1.
4. Select the group of the required coding address with
/ and confirm with OK.
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5. Select coding address with
6. Set value according to the following tables with
and confirm with OK.
Select "7" with and confirm with OK.
Ú
When " " flashes, confirm with OK.
Note
This also resets codes at coding level 2.
Select "1" for constant temperature control unit (see
page 55).
Codes
/ .
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/
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55