Emissions Test Mode; Activating Emissions Test Mode; Stopping Emissions Test Mode - Viessmann VITODENS Operating Instructions Manual

Activating emissions test mode

Activating emissions test mode
Emissions test mode should only be activated by your
flue gas inspector during the annual inspection.
Press the following keys:
1. for settings; "
2. for " ".
3. OK to confirm; "ON" flashes.
"FL" appears on boilers with flow rate captur-
ing. Ensure adequate flow rate (e.g. open radi-
ator valves).

Stopping emissions test mode

Press the following keys:
1. for settings; "
2. for " ".
3. OK to confirm; "OFF" flashes.
4. OK to confirm.
Note
Emissions test mode ends automatically after
30 minutes.
" flashes.
" flashes.
4. OK to start the burner for measurement; "ON" will
be displayed constantly.
If "FL" and "
p
rate capturing), the flow rate is too low. Raise
the flow rate by drawing off heat.
When the flow rate is adequate, "ON" will
flash.
5. OK to start the burner for measurement.
"ON" is constantly displayed.
After 4 s the standard display is shown.

Emissions test mode

" flash (for boilers with flow
19