Connecting The Control Unit To The Lon - Viessmann Vitodens 200-W Installation Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps

Connecting the control unit to the LON

The LON communication module must
be plugged in (if installed as an acces-
sory, see the LON communication mod-
ule installation instructions).
Note
The data transfer via LON can take sev-
eral minutes.
Example: Single boiler system with
Vitotronic 200-H and Vitocom 200
Set the LON subscriber numbers and
further functions via code 2 (see the fol-
lowing table).
All coding addresses in the table are listed in the "General" group.
Boiler control unit
LON
Subscriber 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".
60
Vitotronic 200-H
LON
Subscriber no. 10.
Code "77:10"
Control unit is not
fault manager.
Code "79:0"
Control unit receives
the time.
Set code "81:3".
Control unit receives
outside tempera-
ture.
Set code "97:1".
(cont.)
Note
In the same LON system, the same sub-
scriber number must not be allocated
twice.
Only one Vitotronic may be program-
med as fault manager.
Vitotronic 200-H
LON
Subscriber no. 11.
Set code "77:11".
Control unit is not
fault manager.
Code "79:0"
Control unit receives
the time.
Set code "81:3".
Control unit receives
outside tempera-
ture.
Set code "97:1".
Vitocom
Subscriber
no. 99
Device is fault
manager.
Device re-
ceives the
time.
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