Viessmann VITOCROSSAL 200 Service Instructions Manual page 54

Burner control unit
Burner control unit
Example: to configure the motorised flue
gas damper (flue gas cascade), press
the following keys:
1. S
longer than 2 s, " " flashes.
2. until "6" is shown under Serv-
ice.
3. S "6" is shown under Status and
"1" under Service.
4. until "7" is shown under Serv-
ice.
Reset all operating parameters to their delivered condition
To reset all operating parameters to their
delivered condition, press the following
keys:
1. S longer than 2 s, " " flashes.
2. until "6" is shown under Service.
3. S "6" will be displayed under Sta-
tus.
Manual mode and service display
The burner must be running to call up the
service display and for manual mode.
The service display shows the current
modulation level in %.
54
(cont.)
5. S
6. /
7. S
8. S
4.
5. S "1" is shown under Status and
6. S to confirm. If reset successfully,
7. S to change to the operating dis-
Press the following keys:
1.
"7" will be displayed under Sta-
tus.
until "1" appears under Service
to link the motorised flue gas
damper.
to confirm. If applied success-
fully, "1" will be shown under
Service; if it failed, "0" will
appear.
to change to the operating dis-
play.
until "0" is shown under Service.
"dEL" under Service.
"1" will be shown under Service; if
it failed, "0" will appear.
play.
/S simultaneously for longer than
2 s.
The burner changes to manual
mode, a "P" will be shown
under Status and the current
modulation level will flash
under Service.