Lineal Gain; Outside Air Kit; Chimney Pipe - Desa S36 Installation Instructions Manual

OPTIONAL OUTSIDE AIR K H (MODEL AK.4 / AK4F)
The installation of an outside air kit shouid be perfo1med
du1ing the rough framing of the fireplace due to the nature of
its location. Outside combustion air is accessed through a
vented crawl space (AK4F) or through a sidewall (AK4). See
page I 0, figure 2 i for instrucuons on how to operate the air
kit.

OUTSIDE AIR KIT

Figure 4

CHIMNEY PIPE

The DESA chimney system consists of 12, 18, 24, 36 and 48
inch, snap-lock double-wall pipe
maximum adaptability to individual s_ite requirements. Acnial
lengths gai_ned after fitting overlaps must be taken into
consideration (lineal gain) anu are given ·in the lineal gain
chart (see figure 5).
ASSEMBLY AND INST ALI , A TION OF THE DOUBLE
WALL CHIMNEY SYSTEM
Each double wall chimney section is consist of a galvanized
outer pipe, a ·stainless steel inner flue pipe and a wire spacer.
The pipe sections must be assembled independently as the
chimney is installed.
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Figure 6
*For systems with two elbow sets, the minimum height is 22 feet. The maximum height for any system is 50 feet.
_ _ segments, planned for
*TYPICAL OFFSET INST ALLA TI O N
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Figur.e 5
For Canada, use chimney parts designated "HT"
When connecting chimney directly to the fireplace, th iru:ie!: . . -
..flue pipe section iimst _be installed first '".'ith the lanc "if sid _ •.
up. -The outer pipe s·ection-ean ·then be installed.over"':the tlije:- ·
pipe section with the he1J1med end up.
Press down _on each pipe ection until the lances _securely.
engage the -hem on _the-fireplace starter. The-wire will ass 1r - :
the proper spacing benveen the inner and outer pipe sections.
Continue to assemble chimney sections as outlined above,
making sure that both the inner and outer pipe sections are
locked together. When imtalling double wall "snap Jock"
chimney together, it is important to assure the joint b e t
the chinmey sections is locked. Check by pulling chimney
upward after locking. The chimney will not come apart if
properly locked. It is not necessary to add screws to keep the
chimney together (exception - see page 5 figure 8).
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For more information, 1•isit wivu·.desatcch.com
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LINEAL GAIN

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