Code 2 - Viessmann Vitodens 300 Service Instructions Manual

Coding

Code 2

Calling up code 2
1. Press L and G simultaneously
for approx. 2 seconds; confirm
with d.
2. Select the required coding address
with a or b; the address flashes.
Confirm with d; the value flashes.
Overall summary
The coding addresses are grouped in accordance with the following function
ranges. The respective function range is displayed.
Scroll through the ranges in the following sequence with a or b.
Function range
System design
Boiler/burner
DHW
General
Boiler circuit (heating circuit A1 without
mixer)
Mixer circuit (heating circuit M2 with mixer) A0 to F7
Note
Codes, which are not relevant because of the equipment level of your heating
system or because of settings of other codes, will not be displayed.
For heating systems with 1 heating circuit without mixer and 1 heating circuit
with mixer, initially the possible coding addresses A0 to F7 are scrolled for the
heating circuit without mixer A1, then those for the heating circuit with mixer M2.
42
3. Change this value with a and b;
confirm with d. The display briefly
shows "adopted", then the address
flashes again. Select additional
addresses (if required) with a
or b.
4. Press L and G simultaneously
for approx. 1 second.
Coding addresses
00 and 01
06 to 54
56 to 73
76 to 9F
A0 to F7