Viessmann Vitodens 333 Service Instructions Manual page 36

Initial start-up, inspection, maintenance
Further details regarding the individual steps
Updating the LON user list
Note
Only possible if all users are connected and the control unit is programmed to
be fault manager (code "79:1").
Press the following keys:
1. L + d simultaneously for
approx. 2 s
User check initiated (see
page 37).
Single boiler system with Vitotronic 050 and Vitocom 300
Note
In each heating system, only one Vitotronic may be programmed as fault man-
ager.
Boiler control Vitotronic 050
unit
User no. 1 User no. 10
Code "77: 1" Set code "77: 10"
Control unit is Control unit is not
fault manager fault manager
Set code "79: 1" Code "79: 0"
Send time via Time received via
LON LON
Code "7b: 1" Set code "81: 3"
Transmit outside The outside tem-
temperature via perature is re-
LON ceived via LON
Set code "97: 2" Set code "97: 1"
Fault monitoring Fault monitoring
LON user code LON user code
"9C:20" "9C:20"
36
(cont.)
2. e
The user list is updated
after approx. 2 min.
The user check is com-
pleted.
Vitotronic 050
User no. 11
Set code "77: 11"
Control unit is not
fault manager
Code "79: 0"
Time received via
LON
Set code "81: 3"
The outside tem-
perature is received
via LON
Set code "97: 1"
Fault monitoring
LON user code
"9C:20"
Vitocom
User no. 99
Control unit is
fault manager
Time received
via LON
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