Bilberry Stoves 10kW Stove 설치 및 운영 지침 매뉴얼 - 페이지 9

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FLUES

Flues should be vertical wherever possible and where a bend is necessary, it should not make an angle of more

than 45

with the vertical. Horizontal flue runs should be avoided except in the case of a back outlet from the

appliance, when the length of the horizontal section should not exceed 150mm.

In order to minimise flue resistance and to make sweeping easier it is recommended to use 2 x 45

than a 90

bend.

The flue termination point must be located to minimise any wind effects. Wind effects of suction, pressure zones

and turbulence can be created by the roof and adjacent objects. Wind effects can also be created by natural

land contours.

To minimise the wind effects, the flue termination point should be located a minimum of 1000mm from the roof

measured vertically and 2300mm measured horizontally. Where this termination point does not suffice it may

be necessary to extend the flue pipe so that the termination point is above the apex. See Fig.4.

A flue pipe should only be used to connect an appliance to a chimney and should not pass through any roof

space.

Flue pipes may be of any of the following materials:

(a) Cast iron as described in BS 41: 1973 (1981), or

(b) Stainless steel with a wall thickness of at least 1mm and as described in BS EN 10095:1999 Specification

for stainless and heat resisting steel plate, sheet and strip, for Grade 316 S11, 316 S13, 316 S16, 316 S31,

316 S33, or the equivalent Euronorm 88-71 designation, or

Fig.4

bends rather