Viessmann VITOTRONIC 100 GC1 Installation And Service Instructions Manual page 87

Steps
(continued)
3. Integrate the control unit in the LON BUS system
1 2 3 4 5 6 7
Example of single-boiler system with Vitotronic 050 heating circuit controls and Vitocom connected downstream
Vitotronic 100
LON
Participant No. 1
Coding "77: 1"
Control unit is error
manager
Coding "79: 1"
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The LON communication module
(accessory) must be inserted
(see page 111).
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 error manager (coding "79: 1").
1. Press w and
approx. 2 seconds.
2. Press D.
Vitotronic 050
LON
Participant No. 10
Coding "77: 10"
Control unit is not error
manager
Coding "79: 0"
Transmit time via LON
Set coding "7b: 1"
Transmit outdoor
temperature via LON
Set coding "97: 2"
See page 115 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
(see also page 88).
The participant list is updated after
approx. 2 minutes.
The participant check is terminated.
Vitotronic 050
LON
Participant No. 11
Set coding "77: 11"
Control unit is not error
manager
Coding "79: 0"
Time is received via LON
Set coding "81: 3"
Outdoor temperature is
received via LON
Set coding "97: 1"
Start-up
Single-boiler system only
Vitocom
Participant No. 100
Unit is error manager
Time is received via LON
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