Calling Up Coding Level 2 - Viessmann Vitodens 222-F B2TA Installation And Service Instructions Manual

Calling up coding level 2

■ All codes are accessible in coding
level 2.
■ Codes that have not been assigned
due to the heating system equipment
level or the setting of other codes are
not displayed.
■ The heating circuit without mixer is
designated "Heating circuit 1" and
the heating circuits with mixer as
"Heating circuit 2" or "Heating cir-
cuit 3".
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 are
displayed in ascending order.
■ "Standard setting"
Call up code 2
Service menu:
1. Press OK and
approx. 4 s.
2. Press OK and
approx. 4 s.
3. "Coding level 2"
4. Select group of required coding ad-
dress.
5. Select coding address.
6. Select value according to the following
tables and confirm with OK.
simultaneously for
simultaneously for
If the heating circuits were given indi-
vidual designations, the selected des-
ignation and "HC1", "HC2" or "HC3"
appear instead.
Constant temperature control unit
1: "General"
2: "Boiler"
3: "DHW"
4: "Solar"
5: "Heating circuit 1"
6: "All codes std device"
In this group, all coding addresses are
displayed in ascending order.
7: "Standard setting"
Service menu:
1. Press OK and å simultaneously for
approx. 4 s.
2. Press OK and ä simultaneously for
approx. 4 s.
3. Select "2" with Ú for coding level 2
and confirm with OK.
4. "I" flashes on the display for the coding
addresses in group 1.
5. Select the group of the required coding
address with V/v and confirm with
OK.
6. Select coding address with V/v.
7. Set value according to the following ta-
bles with V/v and confirm with OK.
Code 2
89