Codes Code 1; Calling Up Code - Viessmann VITODENS 200-W Service Instructions Manual

Code 1

Calling up code 1

Note
■ On weather-compensated control
units, codes are displayed as plain
text.
■ Codes that are irrelevant due to the
system equipment level or the setting
of other codes will not be displayed.
■ Heating systems with one heating cir-
cuit without mixer and one heating cir-
cuit with mixer:
Initially, the possible coding addresses
"A0" to "d4" for the heating circuit with-
out mixer A1 are scanned; then the
coding addresses for the heating cir-
cuit with mixer M2 are scanned.
Press the following keys:
1. K + L simultaneously for approx.
2 s.
2. a/b for the required coding
address; the address
flashes.
3. d to confirm.
4. a/b
for the selected value.
5. d to confirm; the display
briefly shows "accepted"
(weather-compensated
control unit); the address
flashes again.
6. a/b for the selection of further
addresses.
7. K + L press simultaneously for
approx. 1 s; code 1 is ter-
minated.
Codes
35