Filling The Loading Cylinder On The Dhw Side; Checking All Connections On The Heating Water And Dhw Sides For Leaks - Viessmann VITODENS 111-W Installation And Service Instructions Manual

Filling the loading cylinder on the DHW side

Fig. 22
1. Valves and must be in the "top" position.
A B
2. Open the cold water line and a DHW draw-off
point.

Checking all connections on the heating water and DHW sides for leaks

Danger
There is a risk of electric shock from escaping
heating water or DHW.
When commissioning and after carrying out
maintenance work, check all water side connec-
tions for leaks.
A B
Commissioning, inspection, maintenance
3. Once air stops coming out of the DHW draw-off
point, the loading cylinder is completely filled.
!
Please note
Leaking hydraulic connections lead to appliance
damage.
Check the internal and on-site hydraulic con-
■
nections for leaks.
■ In the event of leaks, switch off the appliance
immediately. Drain the heating water. Check
the seating of seal rings. Always replace dis-
placed seal rings.
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