Code 2 - Viessmann VITOTRONIC 100 Installation And Service Instructions Manual

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.
Overview
Coding in the delivered condition
System design
00 : 1 Boiler control without
DHW heating
System type
01 : 1 Single boiler system
Boiler/burner
02 : 1 Two−stage burner
03 : 0 Gas fired operation
g
g
p
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.
Possible change
00 : 0 Set automatically, if "01 : 2" or
"01 : 3" has been programmed
00 : 2 Boiler control with DHW
heating
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)
02 : 0 Single stage burner
02 : 2 Modulating burner
03 : 1 Oil fired operation (irreversible)
03 : 2 Set automatically, if an
incorrect boiler coding card is
inserted
Coding
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