Connecting The Control Unit To The Lon System; Checking The Heating Circuit Assignment - Viessmann VITOTRONIC 200 Installation And Service Instructions Manual

Vitotronic 200 and 300-K Installation and Service

Connecting the Control Unit to the LON System

H See also chapter "Configuring multi boiler systems".
H Vitotronic 300-K and 200-H:
The LON communication module (accessory) must
be plugged in (see parts list).
H The data transfer via the LON system can take several
minutes.
H Vitotronic 300-K and 200-H:
In code 1, set the LON participant number via coding
address "77".
In one LON system, the same number must not be
allocated twice.
Installation and service
instructions, Vitotronic 200-H
H Only one Vitotronic may be programmed as fault
manager.

Checking the Heating Circuit Assignment

Carrying out a LON participant check
Communication with the system devices connected to the
fault manager is tested by means of a participant check.
Preconditions:
H The control unit must be programmed as fault manager
(code "79:1").
H The LON participant number must be programmed
in all control units.
H The LON participant list in the fault manager must
be up to date.
Performing the participant check:
1. Press OK and simultaneously for approx. 4 sec.
2. "Service functions"
3. "Participant check"
4. Select participant (e.g. participant 10).
The participant check for the selected participant
is initiated.
H Successfully tested participants are designated
with "OK".
H Unsuccessfully tested participants are designated
with "Not OK".
Note: To carry out a new participant check, create
a new participant list with "Delete list?"
(participant list is updated).
Note: The display of the relevant participant during
the participant check shows the participant
no. and "Wink" for approx. 1 min.
Select the corresponding heating circuit before making
any adjustments.
Commissioning
27