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INDEX
1. Prior to assembling the stove
Some advice in case of combustion problems
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1. Prior to assembling the stove
All our products are tested according to the latest
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European requirements and also to the Norwegian
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standard NS 3058 and NS 3059, which include particle
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tests. However, several European countries have local
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regulations for installation of fireplaces, which change
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regularly. It is the responsibility of the client that these
regulations are complied with in the country/region
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where the fireplace is installed. Nordpeis AS is not
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responsible for incorrect installation.
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Important to check
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(please note that this list is not exhaustive):
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•
distance from firebox to combustible/flammable
materials
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•
insulation materials/requirements between
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fireplace surround and back wall
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•
size of floor plates in front of fireplace if required
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•
flue connection between firebox and chimney
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•
insulation requirements if flue passes through a
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flammable wall
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Compared with older models, the clean burning inserts
of today put significantly higher demands on the
chimney. Even the best insert will not work properly
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if the chimney does not have the right dimensions or
is not in good working order. The draught is mainly
controlled by gas temperature, outside temperature, air
supply as well as the height and inner diameter of the
chimney. The diameter of the chimney should never
be less than that of the flue/chimney collar. At nominal
effect there should be a negative pressure of 12 to 25
Pascal.
The draught increases when:
•
The chimney becomes warmer than the outside air
•
The active length of the chimney over the hearth
increases
•
Good air supply to the combustion
It can be difficult to obtain the right draught conditions
in case the chimney is too large relative to the insert,
as the chimney does not heat up well enough. In
such cases you may want to contact professional for
evaluation of possible measures. Draught that is too
strong can be controlled with a damper. If necessary,
contact a chimney sweeper.
Air supply
A set for fresh air supply is available as accessory.
This will ensure that the air supply to the combustion
chamber is less affected by ventilation systems,
kitchen fans and other factors which can create a
down-draught in the room. In all new construction, we
strongly recommend that it is designed and prepared for
direct supply of outside air. In older houses, the use of
fresh air supply set is also recommended. Insufficient
air supply can cause down-draught and thereby low
combustion efficiency and the problems that this
entails: soot stains on the glass, inefficient use of the
wood and a soot deposits in the chimney.
GB
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