Operating instructions

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
LON communication module
Note
Data transfer via the LON system can take 2 to 3 minutes.
SettingupLONusernumbers
Adjust the user n umber via codi ng
address 77 (see below).
In a LON system, the sam e number
cannot be allocated twice.
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 secon ds. User check
has been initiated (see page 33).
2. Press e. The user list is update d
after approx. 2 m inutes. User
check compl eted.
Single boiler system with Vitotronic 050 and Vitocom 300
Boiler c ontrol
unit
Vitotronic 050 Vitotronic 050 Vitocom
User no. 1
Code 77: 1
User no. 10
Code 77: 10
User no. 11
Set code 77: 11
User no. 99
Control unit is
fault manage r
*
1
Code 79: 1
Control unit is n ot
fault manage r
*
1
Code 79: 0
Control unit is n ot
fault manag er
*
1
Code 79: 0
Control unit is
fault manager
Further details regarding the individual steps (cont.)
32
Initial start-up, inspection, maintenance
5692 548 GB
*1
In each heating system, only one Vitotronic may be encoded as fault manager.