Viessmann Vitodens 200 Service Manual page 32

Initial start-up, inspection, maintenance
Further details regarding the individual steps
Connecting the control unit to the LON system (only for
weather-compensated control units)
The LON communication module (accessory) must be plugged in.
Installation instructions
for LON communication module
Note
Data transfer via the LON system can take 2 to 3 minutes.
Setting up LON user numbers
Adjust the user number via coding
address 77 (see below).
Updating the LON user list
Only possible, if all users are connected, and the control unit is encoded as fault
manager (code 79:1).
1. Press L and d simultaneously
for approx. 2 seconds. User check
initiated (see page 33).
Single boiler system with Vitotronic 050 and Vitocom 300
Boiler control Vitotronic 050
unit
User no. 1 User no. 10
Code 77:1 Code 77:10
Control unit is Control unit is not
fault manager * 1 fault manager
Code 79:1 Code 79:0
In each heating system, only one Vitotronic may be encoded as fault manager.
*1
32
In a LON system, the same number
cannot be allocated twice.
2. Press e. The user list is updated
after approx. 2 minutes. User
check completed.
Vitotronic 050
User no. 11
Set code 77:11
Control unit is not
* 1 fault manager *
Code 79:0
(cont.)
Vitocom
User no. 99
Control unit is
fault manager
1