Connecting The Control Unit To The Lon System (Only For Weather-Compensated Control Units) - Viessmann VITODENS 200-W WB2B Service Instructions For Contractors

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.
Connecting the control unit to the LON system (only for
weather-compensated control units)
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"
32
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