Viessmann VITODENS 343-F WS4A Installation And Service Instructions Manual page 69

Code 2
(cont.)
4. d to confirm; the value
flashes.
5. a/b for the selected value.
6. d to confirm; the display
briefly shows
"accepted" (for
weather-compensated
control units); the
address flashes again.
The coding addresses are grouped according to the following function areas.
The respective function area is shown on the display.
The areas are scanned in the following sequence with a/b:
Function area
System design
Boiler/burner
DHW
General
Heating circuit A1 (heating circuit without
mixer)
Heating circuit with mixer M2
Note
Heating systems with one heating circuit without mixer and one heating circuit
with mixer:
Initially, the possible coding addresses "A0" to "Fb" for the heating circuit with-
out mixer A1 are scanned; then the coding addresses for the heating circuit with
mixer M2 are scanned.
7. a/b for the selection of
further addresses.
8. L + G press simultaneously for
approx. 1 s; code 2 is
terminated.
Coding addresses
00
06 to 54
56 to 73
76 to 9F
A0 to Fb
A0 to Fb
Coding
69