Flue Gas Emissions Test; Checking The Flue Gas Monitoring Device - Viessmann VITOPEND 100-W Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps

Flue gas emissions test

1. Connect the flue gas analyser to
test port A.
2. Open the gas shut-off valve. Start
the boiler.

Checking the flue gas monitoring device

1. Pull the flue pipe from the draught
hood.
2. Fit the front panel.
3. To carry out the function test cover
the flue outlet at the draught hood.
28
(cont.)
3. Selecting the upper output (see
page 18)
Check the CO or O
2
tent. Record actual values in the
service report on page 54.
4. Selecting the lower output (see
page 19)
Check the CO or O
2
tent. Record actual values in the
service report on page 54.
5. Switch OFF the control unit ON/
OFF switch.
Operation with the lower rated out-
put is terminated.
Maintain limits to EN 297 (CO content
< 1000 ppm).
If the actual value falls outside the
permissible range, check the follow-
ing:
Static and supply pressure (see
page 16)
Nozzle pressure (see page 18)
and CO con-
2
and CO con-
2