Code - Viessmann VITODENS 333-F WS3A Service Instructions Manual

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Code 1

(cont.)
Coding in the delivered condition
Slope A1/M2
d3:14
Heating curve slope =
1.4 (only for weather-
compensated control
units)
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.
Possible change
d3:2
Heating curve slope ad-
to
justable from 0.2 to 3.5
d3:35
(see page 33)
d4: 13
Heating curve level ad-
to
justable from 13 to 40
d4:40
(see page 33)
6. d
to confirm; the display
briefly shows
"accepted" (for
weather-compensated
control units); the
address flashes again.
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:
Coding
43

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