Filling The Siphon With Water; Language Selection (If Required) - Only For Weather- Compensated Control Units - Viessmann VITODENs 200 Installation Instructions Manual

Initial start-up, inspection, maintenance
Further details regarding the individual steps
2. Activate the venting program via
coding address 2F:1.
Note
To call up code 1 and for setting the
coding address, see page 39.
For function and sequence of the
venting program, see page 105.
Whilst venting is in progress, the
display shows EL (constant tem-
perature control unit) or "Venting"
(weather-compensated control
unit).

Filling the siphon with water

Language selection (if required) - only for weather-compen-
sated control units
1. Press c.
The display shows "Select heating
circuit".
2. Press d.
3. After approx. 4 seconds press c.
10
(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.
4. Select the required language with
b.
5. Confirm with d.