Coding; Resetting Codes To The Delivered Condition; Code 1 - Viessmann VITOTRONIC 100 Installation And Service Instructions Manual

Resetting codes to the delivered condition

1. Press L and G simultaneously
for approx. 2 s, until the first two
arrows appear in the display.

Code 1

Calling up code 1
1. Press K and L simultaneously
for approx. 2 s, until the first arrow
appears in the display.
Access to coding level 1.
2. Select the required coding address
with a or b,
the address flashes;
confirm with d,
the value flashes.
Summary
Coding in the delivered condition
System design
00 : 1 Boiler control without
DHW heating
System type
01 : 1 Single boiler system
Possible change
00 :
g
00 :
01 :
01 :
2. Press e.
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 K and L simultaneously
for approx. 1 s.
Exit coding level 1.
0 set automatically, if "01 : 2" or
"01 : 3" has been programmed
2 Boiler control with DHW
heating
2 Multi−boiler system with
cascade control via LON BUS
(e.g. Vitotronic 333, type MW1)
3 Multi−boiler system with
external cascade control via
switching contacts
(input aVD and aVH)

Coding

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