Viessmann Vitoligno 300-C Installation And Service Instructions Manual page 103

Checking the changeover unit
Changeover unit functions
The following functions can be manually specified for
each suction wand:
■ Position for "Suction"
Position for "Flush"
■
Activating the vacuum module
If the set position and the actual position of the
changeover unit are identical, the vacuum module can
be activated by pressing and holding
Loading the standard setting
This function is for loading the standard settings of
individual or multiple menus.
Note
This function does not reset the hardware codes.
Meaning of display texts in the "Standard setting"
menu:
"All data"
■
The standard settings for all listed menu items are
loaded.
■ "General"
General standard settings are loaded.
Calling up the "Standard setting" menu
1. + simultaneously for approx. 4 seconds.
d
å
The "Service" menu appears.
2. / for "Service functions".
| ~
3. to confirm.
d
4. / for "Standard setting".
| ~
5. to confirm.
d
(cont.)
Note
The vacuum module only remains active while the key
. is being pressed.
d
When the "Suction " function is active, observe the fill
level of the pellet hopper. The pellet hopper fill level is
not monitored in the "Service menu".
Only activate the "Flush" function when the suction
wand is empty.
"Boiler"
■
Standard settings in the "Boiler" menu are loaded.
"Charging"
■
Standard settings in the "Charging" menu are loa-
ded.
■ "Buffer"
Standard settings in the "Buffer" menu are loaded.
"Additional boiler"
■
Standard settings of the "Additional boiler" are loa-
ded.
■ "All groups"
The standard settings of all control circuits (heating
circuits, DHW heating, solar circuit) are loaded.
6.
|
7. d
8.
|
9.
d
10.
ä
Diagnosis and service checks
/ to select.
~
to confirm.
/ for "Yes".
~
to confirm.
until the default display is shown.
103