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 the
test port A.
2. Open the gas shut-off valve. Start the
boiler.
3. Select the upper heating output (see
page 18).
Measure the CO
tent. Record the values in the
"Reports" table.

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
or O and CO con-
2 2
(cont.)
4. Setting the lower heating output (see
page 19).
Measure the CO
tent. Record the values in the
"Reports" table.
5. Switch off the control unit ON/OFF
switch.
Operation with the lower rated heat-
ing output is terminated.
Maintain limits to EN 297 (CO content
< 1000 ppm).
Note
Operate the appliance with uncontami-
nated combustion air to prevent operat-
ing faults and damage.
If the actual value falls outside the per-
missible range, check the following:
■ Static and supply pressure (see
page 15).
■ Nozzle pressure (see page 17).
4
4. 3
2
1
Start up the boiler with the higher
rated heating output (see page 18).
or O and CO con-
2 2
5
6