Operating instructions

141
Coding
Code 2
Calling up code 2
1. Press L and G simultaneously
for approx. 2s, until the first two
arrows appear in the display;
confirm with d.
Access to coding level 2.
2. Select the required coding address
with a or b,
the address flashes;
confirm with d,
the value flashes.
3. Change the value with a or b;
confirm with d.
The value is saved and does not
flash for approx. 2s. Then the
display flashes again. Further
addresses can now be selected
with a or b.
4. Press L and G simultaneously
for approx. 1s.
Exit coding level 2.
Overview
Coding in the delivered condition Possible change
System design
00:1 Boiler control without
DHW heating
00:0 Set automatically, if "01:2" or
"01
:3" has been programmed
g
00:2 Boiler control with DHW
heating
System type
01:1 Single boiler system
01:2 Multi−boiler system with
cascade control via LON BUS
(e.g. Vitotronic333, typeMW1)
01:3 Multi−boiler system with
cascade control via switching
contacts
(inputaVD and aVH)
Boiler/burner
02:1 Two−stage burner
02:0 Single stage burner
g
02:2 Modulating burner
03:0 Gas fired operation
03:1 Oil fired operation (irreversible)
p
03:2 Set automatically, if an
incorrect boiler coding card is
inserted
5862730GB