Code 2 - Viessmann Vitodens 333 Service Instructions Manual
Compact gas fired condensing boiler. 4.2 to 19 kw natural gas and lpg version
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Also See for Vitodens 333:
- Service instructions manual (132 pages) ,
- Instruction manual (16 pages) ,
- Technical manual (180 pages)
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Coding
Code 1
(cont.)
Coding in the delivered condition
Level A1/M2
d4:0
Heating curve slope = 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, which are irrelevant (due to
the system equipment level or the
setting of other codes) will not be
displayed.
Press the following keys:
1. L + G simultaneously for
approx. 2s.
2. d
to confirm.
3. a/b
for the required coding
address; the address
flashes.
Complete overview
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:
44
Possible change
d4: 13
Heating curve level ad-
to
justable from 13 to 40
d4:40
(see page 34)
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.
7. a/b
for the selection of
further addresses.
8. L + G approx. 1 s simulta-
neously, to terminate
coding 2.
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