Venting The Heating System; Filling The Siphon With Water; Setting The Time And Date (If Required) - Viessmann Vitoplus 300 Service Instructions Manual

Further details regarding the individual steps

Venting the heating system

1. Start the control unit.
2. Activate the venting program via
coding address "2F:1".
Note
To call up code 1 and for setting the
coding address, see page 38.
For function and sequence of the
venting program, see page 92.
When the venting program is
enabled, the display shows
"Venting".

Filling the siphon with water

Setting the time and date (if required)

Note
During commissioning, or after prolonged time out of use, it may be necessary
to set the time and date, if the time flashes in the display.
1. Set the correct time with a/b.
Initial start-up, inspection, maintenance
(cont.)
3. Check the system pressure.
1. Remove the retaining clip and
siphon A.
2. Fill the siphon with water.
3. Fit siphon A and secure with the
retaining clip.
2. Confirm with d.
9