Filling The Siphon With Water - Viessmann VITODENS 222-F Installation And Service Instructions Manual

Further details regarding the individual steps
Activating venting function with con-
stant temperature control unit:
1. Press OK and simultaneously for
approx. 4 s.

Filling the siphon with water

B
A
C
1. Pivot control unit forward.
2. Pull retaining clip A off.
3. Pull filler pipe B upwards.
Commissioning, inspection, maintenance
(cont.)
2. Select "5" and confirm with OK.
When the venting function is activa-
ted, "EL on" is shown on the dis-
play.
3. Ending venting function:
Press .
4. Pull off trap C downwards.
5. Fill siphon with water and reassem-
ble.
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