Checking The Anode Connection; Checking The Anode Earth Current With An Anode Tester - Viessmann Vitodens 222-F B2TA Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps
Danger
Escaping gas leads to a risk of
explosion.
Check all fittings for gas tight-
ness.

Checking the anode connection

Check that the earth cable is connected
to the magnesium anode.
A Magnesium anode

Checking 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.
56
4. Connect cables from fan motor A,
gas train B, ionisation electrode
C, ignition unit D and earth tab
E.
1.
2.
B Earth cable
(cont.)