Desa (V)C36I Manuale Utente

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107777-01E
9
Figure 11 - Elbow Offset
B
A
Screws
VenTIng InsTallaTIon
Continued
Figure 10 - Ceiling Support Pipe  12S-8DM
2" Min.
Straps
Straps
Straps
Straps
Detail A 
Return Elbow
Detail B 
Angle 
Firestop
See Detail A
See Detail B
Ceiling Support 
Pipe 12S-8DM
OFFSET RISE
CHIMNEY LENGTH
A
B
48" 36" 24" 18" 12"
3
/
8
"
16 
3
/
8
"
ELBOW SET ONLY
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)