Viessmann VITOTRONIC 100 GC1 Installation And Service Instructions Manual page 88

Start-up
Steps
(continued)
4. Carry out participant check
1 2 3 4 5 6 7
1 2 3 4 5 6 7
1 2 3 4 5 6 7
88
The participant check is used to verify the communication of the system units
connected to the error manager.
Requirements:
The control unit must be coded as the error manager (coding "79: 1")
The LON participant number must be coded in all control units (see page 87)
The participant list must be updated in the error manager (see page 87)
1. Press w and simultaneously for
approx. 2 seconds.
Participant number
Consecutive list number
2. Select the required participant with
or .
3. Activate the check with
If communication between the two
units is verified, the arrows in the
display window stop flashing.
If communication is not verified, the
display shown on the left appears.
4. To check further participants, follow
the steps described in points 2 and
3.
5. Press w and
simultaneously for
approx. 1 second.
Single-boiler system only
The participant check is initiated.
All 7 arrows appear in the display
window.
.
The arrows in the display will flash
until the check is completed. The
display window and all lit buttons of
the selected participant flash for
approx. 60 seconds.
Check the LON connection (see page
111).
The participant check is terminated.