Calling Up Code 1; General - Viessmann FB2A Installation And Service Instructions For Contractors

Calling up code 1

Note
■ The codes are displayed as plain text.
■ 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 heating cir-
cuit with mixer:
The heating circuit without mixer is
designated with "Heating circuit 1"
and the heating circuit with mixer with
"Heating circuit 2".
If the heating circuits were given indi-
vidual designations (see page 28), the
selected designation and "HC1" or
"HC2" appear instead of the above.
1. Press OK and
approx. 4 s.

General

Coding
Coding in the delivered condition
System design
00:2 System version 1:
One heating circuit with-
out mixer A1, with DHW
heating
simultaneously for
2. "Coding level 1"
3. Select group of required coding
address:
■ "General"
■ "Boiler"
■ "DHW"
■ "Solar"
■ "Heating circuit 1/heating circuit
2"
4. Select coding address.
5. Select value according to the follow-
ing tables and confirm with OK.
6. If you want to reset all codes to the
delivered condition:
Select "Standard setting" in "Cod-
ing level 1".
Possible change
00:4 System version 2, 5:
One heating circuit with
mixer M2, with DHW heat-
ing
00:6 System version 3, 4:
One heating circuit without
mixer A1 and one heating
circuit with mixer M2, with
DHW heating
Code 1
61