Boiler Handover; Boiler Servicing - Grant Combi 90 V3 User, Installation & Servicing Instructions

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.
To ensure efficient operation of the boiler it is recommended
that it is checked and serviced as necessary at regular intervals.
The frequency of servicing will depend upon the particular
installation conditions and usage, but in general once per year
should be adequate.
Servicing and replacement of parts must only be carried out by
a suitably qualified engineer.
Before starting any work on the boiler, or fuel supply please
IMPORTANT
read the health and safety information given in Section 15 on
page 56.
Outdoor Combi 90 V3, Combi Max and Condensing Combi

9 - BOILER HANDOVER

7 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.

10 - BOILER SERVICING

\
10.1
1 Check the flue terminal and ensure it is not blocked or
damaged.
2 Run the boiler and check the operation of its controls.
3 Ensure that all water/fuel system connections and fittings
are sound. Remake any joints and check the tightness of any
fittings that may be leaking. Check the expansion vessel air
charge. See Section 6.5. Check the system pressure. Refill,
vent and re-pressurise the system as necessary. See Section
7. 1.
4 Remove any sludge/water from the fuel tank by opening the
sludge valve at the lower end of the tank.
5 With the fuel supply valve closed, clean/replace the filter
element and clean the filter bowl.
6 Flexible fuel supply Pipes should be inspected annually
when the boiler is serviced and replaced every two years. If
in doubt replace the pipes.
Warning: Before servicing, set the boiler On/Off switch to
'OFF', isolate the electricity supply and close the fuel supply
valve. Allow the boiler to cool.
The data label on the inside of the case side panel will
indicate the fuel used and nozzle fitted.
Important notes prior to servicing
37