SMART 120 PELLET BOILER COOKER
14
EN - Rev. 2.2
Do not connect the external air vent directly to the appliance through piping. If there are other heating or extraction
devices inside the room, the air vents must guarantee a sufficient amount of air for properly operating all the devices.
Only sealed appliances or appliances that do not cause a lower pressure compared with the external environment can
pre-exist or be installed in the place where the appliance is installed.
Extractor fans can cause malfunctions to the appliance if used in the same room.
Chimney and Flue pipe
The chimney is essential to the efficient operation of a Klover appliance. The chimney should be designed and
constructed according to these instructions, and relevant regulations including Building Regulations Approved Document
J.
Shape and size of chimney: A round chimney of 125mm diameter is recommended. 125mm is also the minimum
diameter which should be used. If the appliance is DEFRA Exempt then it should be connected to a 125mm chimney as
standard (assuming that the outlet is not larger than 125mm). If it is not DEFRA Exempt then a calculation according to
BS EN 13384-1:2002 must be completed if it is to be connected to a 125mm diameter chimney.
The maximum recommended round chimney diameter is 150mm.
Square or rectangular cross-sections must have rounded corners with radius not less than to 20 mm Rectangular cross-
sections must have a maximum ratio of 1.5 between the sides.
The chimney must have a constant, and unobstructed, internal cross section
Under no circumstances should the chimney be of a smaller diameter than the appliance outlet.
Connecting flue pipe: Short runs of single skin flue pipe to connect to the chimney may be run in a (minimum) diameter of
100mm (as long as this is not smaller than the appliance outlet).
Existing chimneys: Existing masonry chimneys should be lined with flexible stainless steel liner and the liner should be
insulated. All connections must be appropriately sealed.
Existing chimneys must be inspected, be clear of obstruction and have been swept clean immediately before installation
of the lining system.
No shared chimneys: Each appliance must connect to its own flue. No other appliance must connect to the same flue or
chimney. No other pipes or conduits must pass through the chimney or flue.
Sealed joins and connections: The appliance works with the combustion chamber in negative pressure and the flue pipe
under positive pressure; it is essential that all joints and flue and chimney connections are sealed. Single skin and twin
wall flue pipe should incorporate silicone seals at each joint. Other connections should be sealed with a suitable sealant
(for example high temperature silicone). All seals must be able to withstand 250ºC or more.
Suitable materials: Flue and chimney products used, including fixings and components, must be made of suitable, non-
combustible materials conforming to the applicable regulations.
Aluminium and fibre cement pipes are forbidden.
SOFT 80, SOFT 100 PELLET-BURNING STOVE
EN - Rev. 1.0
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