Expansion Vessel; Ventilation; Flue Terminal And Condensate Disposal; Frost Protection - Grant Vortex Combi Series User Instructions

3.3

EXPANSION VESSEL

The expansion vessel should be checked annually, as part of your
annual service, to ensure that there is a 1.0 bar air charge in the
vessel. Failure to do this will invalidate the boiler guarantee. Refer
to Section 1.6 for further details regarding servicing.
! NOTE !
The pressure gauge on the system does not show the air
charge pressure in the expansion vessel.
! NOTE !
In order to properly care for your Grant boiler, an annual
service by a compentant person should always be
undertaken.
3.4

VENTILATION

Unless your boiler is installed with a balanced flue system*, you
will require ventilation openings in your property to provide your
boiler with a fresh supply of air in order for it to fire.
Any ventilation openings in the property provided by the installer
must not be obstructed.
You should periodically check that they are clear.
Do not attempt to 'box in' the boiler or build a compartment around
it before contacting your installer.
Do not place any combustible material around or on the boiler or
flue pipe.
*Balanced flue systems have an air intake system incorporated
into their design, and provide the boiler with fresh air. This
removes the need to have ventilation openings installed in your
property for this purpose.
3.5 FLUE TERMINAL AND CONDENSATE
DISPOSAL
FLUE TERMINAL
If your boiler flue system has a terminal on the outside wall, make
sure that the terminal is not damaged or obstructed in any way.
A wire mesh guard is required to cover the terminal if the terminal
is less than 2 metres above ground level. If you think one is
required, contact your installer.
You should periodically check for and remove any obstructions,
e.g. cut back any bushes that may have grown over the terminal.
Do not stack anything against or in front of the terminal.
In severe weather conditions, check that the terminal does not
become blocked by snow or ice.
'PLUMING' FROM THE FLUE TERMINAL
Whilst operating, it is quite normal for the boiler to produce a white
plume of condensation vapour from the flue terminal.
This is due to the high efficiency of the boiler and may be
particularly evident with low outdoor temperatures.
CONDENSATE DISPOSAL
During the operation of the boiler, condensate is produced from
the flue gases and this is drained to a suitable disposal point
through the plastic waste pipe on the left hand side of the boiler.
The condensate drain must not be modified or blocked.
Blockage of the condensate drain, caused by debris or freezing
can cause automatic shutdown of the boiler. If you suspect
freezing and the pipe run is accessible, you can try to free the
obstruction by pouring hot water over the exposed pipe and
clearing any blockage from the end of the pipe. If this fails to
remedy the problem, you should contact your service engineer.
Page 8
3.6

FROST PROTECTION

All Grant Vortex combi boilers come with a pre-set frost protection
function, designed to protect the boiler and heating system during
adverse weather conditions. If you are likely to be away for a
short time, the boiler should be left on so that the frost protection
can function should it need to.
If the boiler is not going to be used for longer periods of time, the
boiler and system should be drained.
Contact your service engineer for draining and filling the system.
We recommend that both antifreeze and corrosion inhibitor
be used in the primary water system.
3.7

FAILURE OF ELECTRICITY SUPPLY

If the electricity supply fails, the boiler will not operate. It should
relight automatically when the supply is restored.
If a programmer is fitted, it will retain the time settings for up to 24
hours and will not have to be reset to the correct time of day when
the supply is restored.
The programmer display will remain for up to 1 hour in the event
of an electricity supply failure, and will re-appear when the supply
is restored.
3.8

CLEANING YOUR BOILER

Lightly wipe over the case with a damp cloth and a little detergent
and dry completely.
Do not use abrasive pads or cleaners.
Take care not to touch any hot surfaces.
4 AFTER SALES
SUPPORT
If your boiler breaks down during the guarantee period, in the first
instance you should contact your installer to identify the cause of
the problem and if necessary your installer will contact us.
If you are unable to contact your installer please telephone the
Grant UK Service Department for assistance. Authorisation to
carry out guarantee repairs must be obtained from Grant UK
before any work is carried out.
Costs incurred by unauthorised work will not be covered by Grant
UK.
To contact the Grant UK customer support team, please call:
01380 736920.
If you need to contact Grant UK, please have the following
information available:
• The address at which the installed boiler is located and the
name of the householder.
• Details of the fault and any checks you may have carried out.
• Details of the installer and any competant persons who may
have carried out work on the install in the past (if possible).
Section 3: Caring for your Boiler & Section 4: After Sales Support
! NOTE !