Checking The Condensate Drain; Cleaning The Dhw Cylinder - Viessmann VITODENS 343-F WS4A Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps

Checking the condensate drain

Check that the condensate can freely
drain.

Cleaning the DHW cylinder

Note
DIN 1988 specifies a visual inspection and (if required) cleaning no later than
two years after the cylinder has been taken into use and thereafter according to
requirements.
40
(cont.)
4. Check the gas connections for
soundness.
Danger
Escaping gas leads to a risk
of explosion.
Check all fittings for sound-
ness.
5. Connect the electrical cables/leads
to each corresponding component.