Viessmann Vitocrossal 300 Series Service Instructions Manual page 54

Service
Connecting the Boiler to a LON System
Boiler control unit
Participant no. 1
Code "77:1"
Control unit is fault manager
Code "79:1"
Control unit transmits the
time
Code "7B:1"
Control unit transmits
outside temperature
Set code "97:2"
LON participant fault
monitoring
Code "9C:20"
Carrying out a LON participant check
Communication with the system devices connected
to the fault manager is tested with a participant check.
Preconditions:
The control unit must be programmed as fault manager
(code "79:1")
The LON participant number must be programmed
in all control units
The LON participant list in the fault manager must
be up to date
54
Vitotronic 200-H
(e.g. HK1B *1 mixing valve
control)
Participant no. 10
Code "77:10"
Control unit is not fault
manager
Code "79:0"
The control unit receives
the time
Set code "81:3"
Control unit receives outside
temperature
Set code "97:1"
LON participant fault
monitoring
Code "9C:20"
Vitocrossal 300 CU3A 26 to 199 Service
(continued)
Vitotronic 200-H
(e.g. HK1B *1 multiple
mixing valve control)
Participant no. 11
Set code "77:11"
Control unit is not fault
manager
Code "79:0"
The control unit receives the
time
Set code "81:3"
Control unit receives outside
temperature
Set code "97:1"
LON participant fault
monitoring
Code "9C:20"
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
introduced.
Successfully tested participants are designated
with "OK".
Unsuccessfully tested participants are designated
with "Not OK".
Note: To carry out a new participant check, create a new
participant list with menu item "Delete list?"
Note: If the participant check is carried out by another
control unit, the participant number and "Wink"
are shown on the display for approx. 1 min.
Vitocom
*1 LON communication
module
Participant no. 99
Device is fault manager
Device receives the time
--
--