Testing The Combustion Parameters - Wolf CGB-75 Installation And Operating Instructions Manual

Test the combustion parameters with the boiler closed!
Testing the intake air
- Remove the screw from the l.h. test port
- Open the gas shut-off valve
- Insert the test probe
- Start the gas condensing boiler and turn the heating water
temperature selector to the emissions test symbol (illumi-
nated ring of the status display flashes yellow)
- Measure the temperature and CO
In the case of a concentric balanced flue, the flue is not
gas-tight if the CO content is > 0.2 %. The leak must be
2
rectified.
- After the test has been completed, switch the boiler off,
remove the test probe and close the test port. Ensure the
screws are tightly secured.
Testing the flue gas parameters
When the test port is open, flue gas can es-
cape into the installation room. There is a risk
of asphyxiation.
- Remove the screw from the r.h. test port
- Open the gas shut-off valve
- Start the gas condensing centre and turn the temperature
selector to the emissions test symbol (illuminated ring of
the status display flashes yellow)
- Insert the test probe
- Measure the flue gas values
- After the test has been completed, remove the test probe
and close the test port again. Ensure the screws are tight-
ly secured.
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22. Testing the combustion parameters
.
2
Test port
"Inlet air"
Fig.: Test ports
ON/OFF switch Temperature selector
Fig.: Control unit overview
Test port
"Flue gas"
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