Wolf CGB-75 - Testing the Combustion Parameters

373062555_201804
22.Testingthecombustionparameters
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ashesyellow)
- Measure the temperature and CO
2
.
 In the case of a concentric balanced ue, the ue is not
gas-tight if the CO
2
contentis>0.2%.Theleakmustbe
rectied.
- 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.
Fig.: Test ports
Test port
"Flue gas"
Test port
"Inlet air"
Testingtheuegasparameters
Whenthetestportisopen,ue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ashesyellow)
- Insert the test probe
- Measuretheue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.
Fig.: Control unit overview
ON/OFF switch Temperature selector