Checking The Active Charcoal Filter (Accessories); Testing The Anode Earth Current With An Anode Tester - Viessmann VITOLADENS333-F Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps

Checking the active charcoal filter (accessories)

Note
Please observe active charcoal filter manufacturer's instructions.

Testing the anode earth current with an anode tester

Note
We recommend that the magnesium anode function is checked annually. This
function test can be carried out without interrupting operation, by measuring the
earth current with an anode tester.
1. Remove retaining clip A and
siphon B.
2. Remove cover C.
3. Pull earth lead D from magnesium
anode E.
26
(cont.)