Vaillant VRT 392f, Operating And Installation Manual

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9 Installation instructions VRT 392f 0020044239_01
If you wish to leave the installation assistant:
Turn the left-hand dial in a clockwise direction to
navigate to screen A6.
Confirm the end of the installation with "Yes".
h
Note
If you confirmed completion of the installation
with "Yes" you can only reach the
installation assistant via the code-protected
expert technician level.
After the installation is concluded, you will automatically
reach the simplified basic display.
6.2 Operation level for expert technician
Specific operating data can be displayed and
adjusted/changed at the expert technician
operation level. This means that an optimum match can
be found between the controller and the heating system.
The level for the expert technician consists of the
display screens C1 to C26 and the display screens A1, A2
and A6 of the installation assistant described above.
The screens C1 to C26 in the VRT 392 appear in the
sequence shown in Table 6.1 below.
This table shows you which parameters you can adjust
and change.
Depending upon the configuration selected in the
installation assistant (screen A2), parameters and
screens which are not required are hidden.
Setting/changes are made in accordance
with the operator control concept as
described in Section 4.3 of the operating manual.
To navigate from the default display to the expert
technician level proceed as follows:
Click one or both dials to navigate to the
basic display from the default display.
Turn the left-hand dial clockwise until you get to
screen 15.
Enter the code.
Code layer
enable
15
Code number 0 0 0 0
> Enter code
Fig. 6.3 Screen 15
The factory setting of the code is 1 0 0 0.
You can change the code number on screen C24.
After entering the correct code you automatically reach
screen C1.
6.3 Resetting the parameters to the factory
setting
The works as-delivered condition of the VRT 392f can be
restored as follows:
Push both dials simultaneously for 10 seconds.
This takes you to the factory settings screen.
Th. 12.01.06
11:46
Factory setting
Cancel
No
Time programme No
Everything No
Fig. 6.4
Factory settings
screen
Menu point Input Result
Aborting Yes The set parameters remain effective
Time
programme
Yes
All programmed time windows are
deleted
Everything Yes
All set parameters are reset back to
the factory setting
Table 6.1 Menu selection of the screen factory setting
Once the input is confirmed the display reverts to the
basic display or default display.
Initial commissioning 6