Majestic fireplaces LDVR1 Installation Instructions And Homeowner's Manual page 20

LDVR Series Direct Vent Gas Fireplace
Max.
8'
(2.4m)
45°
Max.
8'
(2.4m)
45°
Typical Offset Installation
Fig. 34 Typical vertical roof applications.
FP1021
Vertical Through-the-Roof Installation
Typical vertical
through the roof
1. Locate your fireplace.
application
2. Plumb to center of the (4") flue collar from ceiling
3/26/00 djt
above and mark position.
3. Cut opening equal to 9³⁄₈" x 9³⁄₈" (240 x 240mm).
4. Proceed to plumb for additional 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 9³⁄₈" x 9³⁄₈" (240 x 240mm).
5. Place fireplace into position.
6. Place firestop(s) #7DVFS or Attic Insulation Shield
#7DVAIS into position and secure. (Fig. 35)
7. Install roof support (Fig. 36 & 37) and roof flashing
making sure upper flange is below the shingles. (Fig.
36)
8. Install appropriate pipe sections until the venting is
above the flashing. (Fig. 36)
9. Install storm collar and seal around the pipe.
10. Add additional vent lengths for proper height. (Fig
38)
11. Install vertical vent termination.
20
Typical
Ceiling
40'
Support
(12m)
Application
Typical Roof
Support Ap-
plication
FP1021
Attic Insulation
Shield
Ceiling Instal-
lation
11"
Fig. 35 Place firestop spacer(s) and secure.
CFM100
If there is room above ceiling level,
Firestop-Vertical
09/20/00
firestop spacer must be installed on both
the bottom and the top side of the ceiling
joists. If an attic is above ceiling level a
7DVAIS (Attic Insulation Shield) must be
installed. (Fig. 35)
The enlarged ends of the vent section
always face downward. (Fig. 36)
Fig. 36 Roof flashing.
Joist
11"
Upper Floor
Joist
Firestop Spacer
Nails (4)
3 #5 Sheet Metal
Screws per Joint
Sealant
Storm Collar
TWL101a
TWL101a
Twist Lock Pipe
2/8/99 djt
10007317
CFM100