Flue Gas Emissions Test - Viessmann Vitopend 100-W Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps

Flue gas emissions test

Coaxial boiler flue connection
B A
A Flue gas
B Ventilation air
Boiler flue connection bend
BA
1. Connect the flue gas analyser to the
test port A.
2. Open the gas shut-off valve. Start the
boiler.
32
(cont.)
3. Select the upper heating output (see
page 22).
Measure the CO
tent. Record the values in the
"Reports" table.
4. Selecting the lower heating output
(see page 22)
Measure the CO
tent. Record the values in the
"Reports" table.
5. Switch OFF the ON/OFF switch on
the control unit.
Operation with the lower rated heat-
ing output is terminated.
Maintain limits to EN 483 (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:
■ Balanced flue system for tightness
(see page 26)
■ Static and supply pressure (see
page 19)
■ Nozzle pressure (see page 21)
or O and CO con-
2 2
or O and CO con-
2 2