Code 2 - Viessmann Vitodens 333-F Service Instructions Manual

Coding
Code 1
(cont.)
Coding in the delivered condition
Level A1/M2
d4:0 Heating curve level = 0
(only for weather-com-
pensated control units)

Code 2

Calling up code 2
Note
& On weather-compensated control
units, codes are displayed as plain
text.
& Codes that are irrelevant due to the
system equipment level or the set-
ting of other codes will not be dis-
played.
Press the following keys:
1. L + G simultaneously for
approx. 2 s.
2. d
to confirm.
3. a/b
for the required coding
address; the address
flashes.
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.
48
Possible change
d4:–13 Heating curve level ad-
justable from –13 to 40
to
d4:40 (see page 38)
7. a/b
for the selection of
further addresses.
8. L + G press simultaneously for
approx. 1 s; code 2 is
terminated.
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 follow-
ing sequence with a/b:
Function area
System design
Boiler/burner
DHW
General
Heating circuit A1
(heating circuit
without mixer)
Heating circuit with
mixer M2
Coding ad-
dresses
00
06 to 54
56 to 73
76 to 9F
A0 to Fb
A0 to Fb