Viessmann Vitoligno 300-P Service Instructions For Contractors page 35

Further details regarding the individual steps
Boiler control unit
LON
User no. 1
Code "77:1"
Control unit is fault man-
ager
Code "79:1"
Control unit transmits the
time
Code "7B:1"
Control unit transmits out-
side temperature
Set code "97:2"
Viessmann system number
Code "98:1"
LON user fault monitoring
Code "9C:20"
Updating LON user list
Preconditions:
■ All users must be connected.
■ The control unit must be program-
med as fault manager (code "79:1").
Press the following keys:
1. d + MENU simultaneously for
approx. 4 s.
The "Service" menu is
displayed.
Commissioning, inspection, maintenance
Vitotronic 200-H
User no. 10
Code "77:10"
Control unit is not fault
manager
Code "79:0"
The control unit receives
the time
Set code "81:3"
The control unit receives
the outside temperature
Set code "97:1"
Viessmann system num-
ber
Code "98:1"
LON user fault monitoring
Code "9C:20"
2. |/~
3. d
4. |/~
5. d
6. Press g until the standard display is
displayed.
(cont.)
Vitotronic 200-H
LON
User no. 11
Set code "77:11"
Control unit is not fault
manager
Code "79:0"
The control unit receives
the time
Set code "81:3"
The control unit receives
the outside temperature
Set code "97:1"
Viessmann system number
Code "98:1"
LON user fault monitoring
Code "9C:20"
for "User check".
to confirm.
for "Delete list".
to confirm.
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