Shutting Down The System - Viessmann VITOCROSSAL 200 Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps
05. Press S. "3" is shown under Status,
and during operation the ionisation
current is shown under Service (e.g.
30 = 3.0 µA).
06. Start the burner with the emissions
test switch.
07. Read the ionisation current.
Note
The ionisation current should be at
least 3 µA for approx. 2 to 3 s after
the gas train has been opened and
during operation.
08. Record the actual value in the
report.

Shutting down the system

30
(cont.)
09. Press S approx. 2 s , " " flashes.
10. Press until "5" is shown under
Service.
11. Press S. "5" will be displayed under
Status.
12. Press until "0" is shown under
Service.
13. Press S. The operating display will
be shown again.
1. Switch OFF the mains isolator or the
power supply and safeguard against
unauthorised reconnection.
Danger
Mains voltage can be life-
threatening.
For maintenance work, isolate
the system from the power
supply.