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

Code 2

Calling up coding level 2

Note
■ In coding level 2, all codes are acces-
sible, including the codes from coding
level 1.
■ Codes that have no function due to the
heating system equipment level or the
setting of other codes are not dis-
played.
■ Heating systems with one heating cir-
cuit without mixer and one or two heat-
ing circuits with mixer:
The heating circuit without a mixer is
designated "Heating circuit 1" and
the heating circuits with mixer as
"Heating circuit 2" or "Heating cir-
cuit 3".
If the heating circuits were given indi-
vidual designations, the selected des-
ignation and "HC1", "HC2" or "HC3"
appear instead.
Weather-compensated control unit:
1. Press OK and å simultaneously
for approx. 4 s.
2. Press OK and ä simultaneously for
approx. 4 s.
3. "Coding level 2"
4. Select group of required coding
address:
■ "General"
■ "Boiler"
■ "DHW"
■ "Heating circuit 1/2/3"
■ "All cod. or solar"
In this group, all coding addresses
are displayed in ascending order.
5. Select coding address.
72
6. Select value according to the follow-
ing tables and confirm with "OK".
7. If you want to reset all codes to
their delivered condition:
Select "Standard setting" in "Cod-
ing level 2".
Note
This also resets codes from coding
level 1.
Constant temperature control unit:
1. Press OK and å simultaneously
for approx. 4 s.
2. Press OK and ä simultaneously for
approx. 4 s.
3. With Ú, select "2" for coding level 2
and confirm with OK.
"I" flashes on the display for the cod-
ing addresses in group 1.
4. Select group of the required coding
address with V/v. For example,
"1" for group "General" (see following
section):
Confirm selected group with OK.
5. Select coding address with V/v.
6. Select value according to the follow-
ing tables with V/v and confirm with
OK.