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

Further details regarding the individual steps

Checking the ionisation current

A Adaptor cable (available as acces-
sory)
1. Connect the tester in accordance
with the diagram.
2. Select the upper heating output (see
page 22).
3. Ionisation current when the flame is
first established: min. 4 µA
If ionisation current < 4 µA: Check the
electrode gap (see page 30).
Commissioning, inspection, maintenance
(cont.)
4. Switch OFF the ON/OFF switch on
the control unit.
Operation with the upper rated heat-
ing output is terminated.
5. Record the actual value in the
"Reports" table.
33