Installation; Vertical Through-The-Roof Installation - MHSC 400DVBLNV7CE Installation And Operating Instructions Manual

DVBL7 Series Gas Fireplace
1 + 2 + 3 + 4 = 270°
Figure 26 -
Maximum Elbow
Usage
VertIcaL throuGh-the-rooF

InStaLLatIon

note: For all top vent vertical through-the-roof installa-
tions, install the supplied cross-bar flue restrictor onto the
top edge of the firebox flue adapter. Figure 27
1. Locate your fireplace.
2. Plumb to center of the
(4") flue collar from ceiling
above and mark position.
3. Cut opening equal to 9C\v" x
9C\v" (248 x 248 mm).
4. Proceed to plumb for addi-
tional openings through the
roof. In all cases, the
opening must provide
a minimum of 1 inch
clearance to the vent
pipe, i.e., the hole must
be at least 9C\v" x 9C\v" (248 x 248 mm).
5. Place fireplace into position.
6. Place firestop(s) or Attic Insulation Shield into position
and secure. Figure 28
7. Install roof support (Figure 27) and roof flashing mak-
ing sure upper flange is below the shingles. Figure 31
8. Install appropriate pipe sections until the venting is
above the flashing. Figure 31
9. Install storm collar and seal around the pipe.
10. Add additional vent lengths for proper height. Figure
30
11. Apply high temperature sealant to 4" and 7" collars of
vertical vent termination and install.
20
1
2
3
4
12" Min.
FP1179
Figure 27 -
Vertical Through-the-Roof
Restrictor (Part #69D3006)
FP2304
CDV7 top restrictor
3/09
attic Insulation
Shield
(7DV1aIS)
1
2
upper Floor
3
4
ceiling Installation
Joist
Figure 28 -
Place Firestop Spacer(s) and Secure
If there is a room above ceiling level, fire stop spacer must
be installed on both the bottom ad the top side of the ceil-
ing joists. If an attic is above ceiling level an Attic Insula-
tion Shield must be installed. The enlarged ends of the
vent section always face downward.
FP2304
typical roof
application
VentInG InStaLLatIon
Nails (4)
FP1029
attic insulation shield
firestop spacers
1/28/00 djt
Support
typical ceiling
application
Figure 29 -
FP1184
Venting Supports
Typical roof/ceiling
support apps.
11"
(279 mm)
FP1029
Firestop
Spacer
FP1184
Support
20301763