Viessmann Vitodens 333 Service Instructions Manual page 38

Initial start-up, inspection, maintenance
Further details regarding the individual steps
Note
In the same LON system, the same number cannot be allocated twice.
Only one Vitotronic may be programmed as fault manager.
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 fault manager
Code "79: 0"
The control unit The control unit re-
transmits the time ceives the time
Code "7b: 1" Set code "81: 3"
The control unit The control unit re-
transmits the out- ceives the outside
side temperature temperature
Set code "97: 2" Set code "97: 1"
LON user fault LON user fault
monitoring monitoring
Code "9C:20" Code "9C:20"
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 38).
38
(cont.)
Vitotronic 050
User no. 11
Set code "77: 11"
Control unit is not
fault manager
Code "79: 0"
The control unit re-
ceives the time
Set code "81: 3"
The control unit re-
ceives the outside
temperature
Set code "97: 1"
LON user fault mon-
itoring
Code "9C:20"
2. e The user list is updated
after approx. 2 min.
The user check is com-
pleted.
Vitocom
User no. 99
Control unit is
fault manager
The equipment
receives the
time