33
Grant Vortex External Module
7 - COMMISSIONING
IMPORTANT NOTE:
A combustion test point is provided on the front cleaning
door.
This test point is not suitable for measuring the final CO
2
level, smoke number, boiler efficiency or conventional
flue draught.
At this test point on the cleaning cover the flue gas
temperature reading will be higher than that measured in
the flue thus resulting in an inaccurate efficiency reading.
To obtain an accurate flue gas CO
2
level, smoke number,
temperature and efficiency, the reading can only be
measured at the low level flue terminal or the test point
on the conventional flue starter elbow where fitted with
all the casing panels fitted.
8 - INFORMATION FOR THE USER
The User must be advised (and demonstrated if
necessary) of the following important points:-
1 How to light and turn off the boiler and how to
operate the system controls.
2 The precautions necessary to prevent damage to
the central heating system and to the building, in
the event of the boiler not being in operation
during frost conditions.
3 The importance of servicing the boiler to ensure
safe and efficient operation. This should normally
only be required once a year.
4 The type of fuel used.
5 That any servicing or replacement of parts must
only be carried out by a suitably qualified engineer.
6 Ensure that the boiler controls and room thermostat
(if fitted) are set to the User's requirements.
7 If the boiler is used on a sealed heating system, tell
the user the system pressure and show them the
position of the safety valve discharge pipe.
8 Show the User how to reset the overheat thermostat
and how to restart the boiler if it goes to 'Lock-out'.
Leave this Instruction manual with the User.
To ensure your continued Boiler Warranty, the annual
service must be carried out by an OFTEC Registered
Technician or an otherwise competent person.
Use of non-competent persons may invalidate this
warranty. A list of OFTEC Registered Technicians is
available at www.oftec.org or alternatively telephone
OFTEC on 0845 658 5080 (UK) or 01 864 5771 (ROI).
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