FMI S42 Indoor Fireplace User Manual


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111099-01L 7
VENTING INSTALLATION
Continued
Continuetoassemblechimneysectionsas
outlined, making sure that both the inner and
outerpipesectionsarelockedtogether.When
installing double wall snap-lock chimney
together, it is important to assure the joint be-
tweenthechimney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
chimneytogether(exception-seeFigure9,
page8).
USING ELBOW OFFSETS (30E-8DM)
1. Toachievedesiredoffset,youmayinstall
combinationsof12",18",24",36"and48"
length of double wall pipe (see offset chart
andFigure7).
2. Chimneyweightaboveoffsetrestson
returnelbow.Strapsmustbesecurely
nailedtoraftersorjoists(seeFigure8,
detailsAandBonpage8).
3. Maximumlengthofpipebetweensupports
(returnelbowor12S-8DM)is6'ofangle
run.Maximumoftwo6'anglerunsections
perchimneysystem(seeFigure7).
4. All pipe connections between the offset
and return must be secured with two
screwsontheouterpipeonly(seeFigure
9,page8).Donotpenetratetheinner
stainless.
OFFSET
RISE CHIMNEY LENGTH
A B 48" 36" 24" 18" 12"
4
3
/
8
" 16
3
/
8
"
ELBOWSETONLY
9
3
/
4
" 25
1
/
2
"
1
12
3
/
4
" 30
3
/
4
"
1
15" 34
3
/
4
"
1
18" 40"
1 1
21
1
/
4
" 46
1
/
4
"
1
23
3
/
4
" 49
1
/
4
"
1 1
27
3
/
4
" 56
3
/
4
"
1
30" 60
3
/
4
"
1 1
33" 66"
1 1
36" 71"
1 1
38
1
/
4
" 75"
2
41
1
/
4
" 80
1
/
4
"
1 1 1
45" 86
3
/
4
"
2
46
3
/
4
" 89
1
/
2
"
1 1 1
51" 97"
1 1
53
1
/
4
" 101"
2 1
56
1
/
4
" 106
1
/
4
"
2
59
1
/
4
" 111
1
/
2
"
1 1 1
61
3
/
4
" 115
1
/
2
"
2 1
64
3
/
4
" 120
3
/
4
"
2 1
68
1
/
4
" 127"
1 2
70" 130"
2 1 1
74
1
/
4
" 137
1
/
2
"
1 2 1
76
3
/
4
" 141
1
/
2
"
1 2 1
79
3
/
4
" 146
3
/
4
"
4
OFFSET CHART (22-50 FT. SYSTEM HEIGHT)
Figure 7 - Typical Offset Terminations
Return
Elbow
Offset
Elbow
Return
Elbow
Offset
Elbow
6'Max.
6'Max.
6'Max.
6'Max.
6'Max.
6'Max.
Return
Elbow
Offset
Elbow
Offset
Elbow
Return
Elbow
A B C
Offset
Elbow
Ceiling
SupportPipe
12S-8DM
Return
Elbow
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