BDV7 Series Direct Vent Gas Fireplace
22
20301836
VeNtING INStAllAtIoN
•
7DVCS supports offsets.
Figure 37.
This application
will require that you first determine the roof pitch and
use the appropriate starter kit. (Refer to Venting Com-
ponents List)
•
The maximum angular variation allowed in the system
is 270°.
Figure 35
•
For the minimum height of the vent above the highest
point of penetration through the roof refer to
Page 23,
Figure 39.
Support Straps
Every 3’ (914 mm)
Max.Height
40’ (12.2. m)
Min. Height
8’ (2.4 m)
Max. 10’ (3 m)
Max. 10’ (3 m)
Max.Height
40’ (12.2. m)
Min. Height
8’ (2.4 m)
FP1183a
Figure 34 -
Support Straps for
Horizontal Runs
1 + 2 + 3 + 4 = 270°
1
2
3
4
1
2
3
4
FP1179
max bends
FP1179
Figure 35 -
Maximum Elbow Usage
VeRtICAl thRouGh-the-RooF
INStAllAtIoN
Note:
For all top vent straight vertical through-the-roof
installations
greater than 12’ (3.7 m)
, install the supplied
cross-bar flue restrictor onto the top edge of the firebox
flue adapter for optimal flame
appearance.
Figure 36
1. Locate your fireplace.
2. Plumb to center of the
(4”) flue collar from ceiling
above and mark position.
3. Cut opening equal to 9
C\v
” x
9
C\v
” (248 x 248 mm).
4. Proceed to plumb for addi-
tional openings through the
roof. In all cases, the open-
ing must provide a mini-
mum of 1 inch clearance to
the vent pipe, i.e., the hole must be at least 9
C\v
” x 9
C\v
”
(248 x 248 mm).
5. Place fireplace into position.
6. Place firestop(s) or Attic Insulation Shield into position
and secure.
Figure 37
FP2304
CDV7 top restrictor
3/09
Figure 36 -
Vertical Through-the-Roof
Restrictor
FP2304
FP1029
attic insulation shield
firestop spacers
1/28/00 djt
Attic Insulation
Shield
(7DV1AIS)
upper Floor
11”
(279 mm)
Ceiling Installation
Joist
Firestop
Spacer
Nails (4)
FP1029
Figure 37 -
Place Firestop Spacer(s) and Secure
7. Install roof support
(Figure 38)
and roof flashing mak-
ing sure upper flange is below the shingles.
Figure 40
8. Install appropriate pipe sections until the venting is
above the flashing.
Figure 40
9. Install storm collar and seal around the pipe.
