Linking The Control Unit To The Lon - Viessmann VITOLADENS 300-C Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps
2. d to select heating circuit A1
(heating circuit without
mixer)
or
3. a "2r" flashes.
4. d to select heating circuit
with mixer M2.

Linking the control unit to the LON

The LON communication module
(accessories) must be plugged in.
Installation instructions
LON communication module
Single boiler system with Vitotronic 200-H and Vitocom 300
Set up the LON subscriber numbers
and further functions via code 2 (see
the following table).
Only one Vitotronic may be programmed as fault manager.
Boiler control unit
Subscriber no. 1
Code "77:1"
Control unit is fault
manager
Code "79:1"
Control unit trans-
mits the time
Code "7b:1"
34
5. E
6. a/b Change the value.
7. d
Note
The data transfer via LON can take
several minutes.
Note
In the same LON system, the same
number cannot be allocated twice.
Vitotronic 200-H Vitotronic 200-H
Subscriber no. 10 Subscriber no. 11
Code "77:10" Set code "77:11"
Control unit is not Control unit is not
fault manager fault manager
Code "79:0" Code "79:0"
Control unit re- Control unit re-
ceives the time ceives the time
Set code "81:3" Set code "81:3"
(cont.)
Call up the set night tem-
perature.
Confirm the value.
Vitocom
Subscriber
no. 99
Device is fault
manager
Device re-
ceives the
time