Code 2 - Viessmann Vitodens 333 Service Instructions Manual

Coding

Code 2

Calling up code 2
1. Press L and G simultaneously
for approx. 2 s, 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 Fb
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 one heating circuit without mixer and one heating cir-
cuit with mixer, initially the possible coding addresses A0 to Fb 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 s.
Coding is terminated.
Coding addresses
00
06 to 54
56 to 73
76 to 9F
A0 to Fb