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

Code 1

Calling up coding level 1

Codes that are not assigned, due to the heating sys-
■
tem equipment level or the setting of other codes,
are not displayed.
The codes are divided into groups
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"
Calling up code 1
Service menu:
1. Press OK and simultaneously for approx. 4 s.
å
2. Select " " with for coding level 1 and confirm
1
Ú
with 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.
V v
5. Select coding address with
6. Set value according to the following tables with
/ and confirm with OK.
V v

"General"/Group 1

Select group "1" (see page 48).

Coding

Coding in the delivered condition
System design
00:2 One heating circuit
(Heating circuit 1), with DHW
heating
00:1 One heating circuit
(Heating circuit 1), without DHW
heating
(automatic recognition)
Internal circulation pump function
51:0 When there is a heat demand, the
internal circulation pump always
starts
48
/ .
V v
Resetting all codes to their delivered condition
Select "7" with and confirm with OK.
Ú
When " " flashes, confirm with OK.
Note
This also resets codes at coding level 2.
Possible change
51:1 System with low loss header:
The internal circulation pump only
starts upon heat demand if the burn-
er is running.
The circulation pump stops on expiry
of the run-on time.