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Do not install a flue damper in the exhaust venting system of this unit.
Do not connect this unit to a chimney flue serving another appliance.
Do not connect to a exhaust gas discharge channel into which extractor hoods discharge
vapors.
The very hot exhaust gases may cause skin burns: keep a considerable distance away from
the appliance.
The exhaust gases from the combustion of pellets fuel may dirty the outside of the walls. To
avoid such possibility terminate the vent above the roofline.
Pipes and maximum usable lengths
The exhaust pipe on all stoves is 3" (76 mm) O.D. so the stove was designed to
accommodate a 3" stove pipe adaptor but the diameters of the pipes depends on the type of
installation. Your installation may require the use of 4" (10 cm) vent as shown in Table1.
Table 1: connection to flue pipe - pipe length
TYPE OF INSTALLATION
Maximum length (with
three 90° elbows)
For installations more than
4000' (1200 m) above sea
level
Maximum number of
elbows
Length of horizontal
sections with minimum 3%
gradient
Losses in pressure associated with a 90° elbow can be compared to those incurred by three
feet of pipe. An inspectable union-tee can be considered equivalent to a 90° bend.
EXAMPLE: if installing a section greater than 20'(6 m) in length with 3" (76 mm) diameter
pipe, calculate the maximum usable length in the following ways:
• If a maximum of three 90° elbows are used, the maximum length of the section will be 25'
(7.6
m).
• If a maximum of two 90° elbows are used and bearing in mind that a 90° bend can be
replaced by 3' of pipe, the maximum length of the section will be 25'+3' = 28' (8.5 m).
• If a maximum of one 90° elbows is used and bearing in mind that a 90° bend can be
replaced by one meter of pipe, the maximum length of the section will be 25'+3'+3'=31' (9.4
m).
Where 4" (10 cm) diameter pipe must be used, connect it to the stove flue outlet with a 3"
(76 mm) union-tee then use a 3" – 4" (76-102mm) Adapter (Fig. 8).
EN
WITH 3" DIAMETER PIPE
25' (7.6 m)
-
3
10' (3 m)
WITH DOUBLE-WALLED 4"
DIAMETER PIPE
35' (10.7 m)
Required
4
10' (3 m)
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