Checking The Ionisation Current - Viessmann Vitopend 100-W Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps

Checking the ionisation current

A Adaptor cable (available as acces-
sory)
1. Connect the test equipment accord-
ing to the diagram.
2. Set the upper heating output (see
page 18).
3. Ionisation current when the flame is
first established: Min. 4 µA
If ionisation current < 4 µA: Check the
electrode gap (see page 26).
30
(cont.)
4. Switch off the control unit ON/OFF
switch.
Operation with the upper rated heat-
ing output is terminated.
5. Record the actual value in the
"Reports" table.