6
Installation into a PRE-CAST FLUE Installation—continued…
If a dimension of 125mm cannot be achieved to provide such debris collection then the fire surround can be packed
away from the wall—ensuring that that a suitable non combustible material is used and the integrity of the fireplace
opening is maintained. If this procedure is undertaken then it is important to ensure that the correct mantel rebate
is selected to provide for this new fire surround position. Under no circumstances should the appliance be installed
if the 125mm minimum dimension cannot be achieved.
The installer should always inspect the flue way prior to installation of the appliance and in the case of pre-cast flues
it is important to check that the flue way is clear and free from mortar or other sealant which may have been
extruded into the passage during its’ construction. If this is the case then these should be removed by rodding the
flue prior to installation.
See the other important notes regarding pre-cast flues on page 3.
Fireplace Opening (Hole in the Wall Installation)
This appliance MUST be installed in accordance with all relevant sections of document ‘J’ of the building regulations.
This appliance may be installed such that the base of the appliance sit on the surface of a fireplace opening at least
110mm up from the floor—this dimension ensures that there is no incandescent material (flame or ceramic
impinged by flame) is less than 225mm from the floor.—This is a requirement of document ‘J’.
Where a hole in the wall installation is employed it is important that the fret to the appliance is either integral with
the trim, is fixed to the appliance securely or a small hearth surface is constructed at the base of the opening for the
fret to sit upon. If such a hearth is constructed it must be a minimum of 480mm in width and 100mm deep.
It is always important to ensure that the appliance is fixed securely to the fireplace opening and that no movement
of the ceramics takes place when the appliance is operated. It is additionally important in a ‘hole in the wall’
installation to ensure loose ceramics cannot fall from the appliance. In addition it is imperative that ONLY fascia/trim
arrangements supplied by Hearth Products deemed suitable to be used with Hearth Products appliances in a ‘hole in
the wall’ installation shall be used.
THE INSTALLER MUST INFORM THE USER OF THE FOLLOWING IMPORTANT NOTICES AFTER A HOLE IN THE WALL
INSTALLATION HAS BEEN UNDERTAKEN.
1.
The user must be made aware to fit a secure fireguard where the room is used by elderly, infirm, infants or
young children.
2.
The user must be made aware to keep the area immediately in front of the appliance must always be kept clear
of combustibles items. This does not include the floor covering however such covering should be fixed.
3.
The user must ensure that the ceramic fuel bed is maintained in the correct condition of installation, especially
after cleaning. If the fuel bed is removed for cleaning or maintenance the ceramics should be checked for
secure placing and tested for movement during appliance operation.
4.
The user must ensure that other occupants of the room where the appliance is installed are notified to not get
unnecessarily close to the appliance when in use or to position any furniture or appliances too close to the fire.
Checking the Flue
Use a smoke pellet prior to the appliance installation to ensure the viability of the flue and check that the smoke can
be seen being emitted from the terminal / chimney pot outside. There must be no leakage of smoke through the
structure of the chimney/flue during or after the smoke pellet test and it is important to check inside upstairs rooms
adjacent to the chimney/flue. If the installation is into a pre-cast flue ensure check the loft space to ensure that the
connection between the pre-cast block and the fluepipe is sound. Check the chimney pot / terminal and general
condition of the brickwork or masonry. If the chimney or flue is in poor condition or if there is no up-draught do not
proceed with the installation. If there is a history of down-draught conditions with the chimney / flue, the
installation of a tested and certificated flue terminal or cowl suitable for the relevant flue type should be considered.
A spillage test must be performed—see page 4 of these instructions.
