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11.7 Commissioning
Note: It is the responsibility of the installer to ensure that the boiler is properly
commissioned by an OFTEC trained and registered technician. Failure to do so WILL
invalidate ALL warranties.
Before firing ensure that all the baffles are in place, as they may have been displaced during
transit; Refer to the General Information section. Switch the boiler on, ensuring all controls are
calling for heat.
The oil pump pressure must be checked by fitting a pressure gauge to the pump pressure port.
If necessary the pressure should be adjusted until it corresponds with the value in the Technical
Data section for the required output. Using a smoke pump, check the smoke number. It should
be zero.
Using a flue gas analyser, check the CO
2
content and the flue gas temperature once the boiler
is hot. With the CO
2
correctly set, check the flue gas composition in line with OFTEC guidance.
Testing while the boiler is still relatively cold gives inaccurate results and leads to incorrect
adjustments being made.
Where a balanced flue has been fitted ensure the air duct connecting the flue and burner has
been properly connected before commissioning.
Note: All product warranties will be invalidated if the appliance is not commissioned by a
Warmflow or OFTEC trained and registered technician and the commissioning certificate
of the OFTEC Boiler Passport completed and returned to Warmflow within 30 days from
the date of installation and 90 days from the date code stamped on the appliance.
Additionally, to comply with the building regulations, the boiler passport or OFTEC form CD11
should be completed and a copy left with the householder.
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