Codes; Calling Up Codes - Viessmann Vitotwin 300-W Installation And Service Instructions For Contractors

Calling up codes

1. Press "OK" to access the menu.
The display shows "Time of day and
date".
All codes which are identified as "E"
(end user level) can be amended on
this control level.
2. To access the other control levels
"F1" (commissioning level) and
"F2" (contractor level), press "Å" for
at least 3 s.
3. Select the "Commissioning" or
"Engineer" level with rotary selector
"G".
AUTO
End user
Commissioning
Engineer
0 4 8
The main parameters for commis-
sioning can be accessed on the
"Commissioning" control level.
Parameters and functions for mainte-
nance and service which are not
required as often can be accessed on
the "Engineer" control level.
Prog
12 16 20 24
4. Confirm the selected control level
with "OK".
5. Turn rotary selector "G" until the
required function range is indicated.
6. Confirm the selected item with "OK".
7. Turn rotary selector "G" until the
required menu item is indicated.
The relevant code no. is shown in the
display under "PROG".
8. Confirm the selected item with "OK".
The adjustable value flashes.
9. Set the required value with rotary
selector "G".
10. Confirm the selected value with
"OK".
The value stops flashing and has
therefore been accepted.

Codes

85