2.6 Exclusions
The warranty excludes all ancillary products associated with
the system (e.g. flue pipes, external circulation pumps, bulk
hoppers and augers, plumbing and electrical system). The
warranty does not cover Third Party damage to the product
or damage caused by the plumbing (an example would be an
inappropriately sized expansion vessel) or electrical system.
Warranty does not cover issues arising from pellets that do
not conform to ENplus-A1.
Recommendations advised to the Customer to be carried out
during commissioning must be completed and advised to
your local dealer in order to validate the warranty.
The requirements for the flue installation, particularly in
relation to draught, are the responsibility of the system
owner. Compliance with Local Building Regulations must be
adhered to. The warranty does not cover misuse of the
product or sabotage.
Any consequential loss or damage caused by the failure of a
component on this product is not covered.
T R Engineering Ltd refuses to accept any responsibility for
any damage which may be caused, directly or indirectly, by
persons, animals or things in consequence of the failure to
observe all the prescriptions laid down in the instruction
booklet, especially those concerning warnings on the subject
of installation, use and maintenance of the appliance.
Damage caused by transport and/or handling is excluded
from the guarantee.
The guarantee will be invalidated in the event of damage
caused by tampering with the appliance, atmospheric
agents, natural disasters, electrical discharges, fire, defects in
the electrical system, and caused by lack of, or incorrect,
maintenance in terms of the manufacturer’s instructions.
Claims under the Guarantee
The request for action under the guarantee must be
addressed to the Dealer/Retailer, who will forward the
claim to T R Engineering Ltd’s technical assistance service. T
R ENGINEERING LTD DECLARES THAT THE APPLIANCE
WHICH YOU HAVE PURCHASED COMPLIES WITH EEC
DIRECTIVE 2004/108 EC AND 200/95/EC AND SUCCESSIVE
AMENDMENTS.
T R Engineering refuses to accept any responsibility in the
event that the appliance or any other accessory has been
improperly used or modified without authorisation. For all
replacement of parts, only original T R Engineering Ltd
spare parts must be used.
3. Pre-Installation Considerations
3.1 Pellets
Wood pellets are manufactured by hot-extruding
compressed sawdust which is produced during the working
of natural dried wood. The compactness of the material
comes from the lignin which is contained in the wood itself,
and allows the production of pellets without the use of glues
or binders.
The market offers different types of pellet with
characteristics which vary depending on what mixture of
wood is used. The diameter varies between 6mm and 8mm,
with a standard length in the range 5mm to 30mm. Good
quality pellets have a density which varies between
600kg/m
3
and 750kg/m
3
, with a moisture content which
varies from 5% to 8% by weight.
Besides being an ecological fuel (exploiting timber residues
to the maximum and achieving cleaner combustion than is
possible with fossil fuels), pellets also have technical
advantages. While good-quality timber has a calorific power
of 4.4kW/kg (with 15% moisture, therefore after about 18
months’ seasoning), the equivalent figure for pellets is
4.9kW/kg.
To ensure good combustion, the pellets must be stored in an
area that is free of humidity and protected from dirt. The
pellets are usually supplied in 10kg bags, so storing them is
very convenient. Good quality pellets ensure good
combustion, thus lowering the emission of harmful agents
into the atmosphere.
The poorer the quality of fuel, the more frequently
intervention will be necessary for cleaning the internal
parts, such as the grate and the combustion chamber.
The main certification of quality for pellets in the European
market is Enplus-A1 there ensure respect of:
Calorific power: 4.9kW/kg
Water content: max 10% of weight
Diameter: 6mm
Length: max 30mm
Contents: 100% untreated wood, with no added bonding
substances (bark percentage 5% max)
Packaging: in sacks made from ecologically compatible or
biologically decomposing material.
T R Engineering Ltd recommends using certified fuel in its
appliances to Enplus-A1. The use of fuel of inferior quality
or not conforming to the specification given above
compromises the running of your appliance and can
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