Integrate The Control Unit In The Lon Bus System (In Conjunction With Heating Circuits Connected Downstream) - Viessmann Vitotronic 300 Installation And Service Instructions Manual

Start-up
Steps
(continued)
5. Integrate the control unit in the LON BUS system in conjunction with Vitotronic 200-H
User check
Example of single-boiler system with Vitotronic 200-H heating circuit controls and Vitocom 300 connected downstream
Vitotronic 300
LON
Participant No. 1
Coding "77: 1"
Control unit is fault manager
Coding "79: 1"
Transmit time via LON
Set coding "7b: 1"
Transmit outdoor
temperature via LON
Coding "97: 2"
Viessmann system number
Coding "98: 1"
Fault monitoring
LON-Participant
Coding "9C: 20"
66
The LON communication module (accessory) must be inserted (see page 96).
Set the LON participant number
Set the LON participant number via
coding address "77" in coding 1
(factory setting: "77: 1").
Update the LON participant list
This is only possible when all participants are connected and the control unit is
coded as the fault manager (coding "79: 1").
1. Press w and
approx. 2 seconds.
2. Press D.
Vitotronic 200-H
LON
Participant No. 10
Coding "77: 10"
Control unit is not fault
manager
Coding "79: 0"
Time is received via LON
Set coding "81: 3"
Outdoor temperature is
received via LON
Set coding "97: 1"
Viessmann system number
Coding "98: 1"
Fault monitoring
LON-Participant
Coding "9C: 20"
See page 114 for coding 1.
Please note:
The same number must not be
assigned twice within a LON BUS
system.
simultaneously for
The participant check is initiated.
The participant list is updated
after approx. 2 minutes.
The participant check is
terminated.
Vitotronic 200-H
LON
Participant No. 11
Coding "77: 11"
Control unit is not fault
manager
Coding "79: 0"
Time is received via LON
Set coding "81: 3"
Outdoor temperature is
received via LON
Set coding "97: 1"
Viessmann system number
Coding "98: 1"
Fault monitoring
LON-Participant
Coding "9C: 20"
Vitocom
Participant No. 99
Unit is fault manager
Time is received via LON