Vertical Through-The-Roof Applications - Majestic 360DVS2 Installation Instructions & Homeowner's Manual

Vermont Castings, Majestic Products, 360DVS Series
Vertical Through-the-Roof
Applications
This Gas Fireplace has been approved for:
• Vertical installations up to 40 ft. (12 m) in height.
Up to a 10 ft. (3 m) horizontal vent run can be
installed within the vent system using a maximum
of two 90° elbows (Fig. 31).
Max. Height 40' (12.2 m)
Min. Height 8' (2.4 m)
Max.
Height 40' (12.2 m)
Min.
Height 8' (2.4 m)
Fig. 31 Support straps for horizontal runs
• Up to two 45° elbows may be used within the
horizontal run. For each 45° elbow used on the
horizontal level the maximum horizontal length
must be reduced by 18 in. (457 mm).
Example: Maximum horizontal length—
Zero elbows
1 x 45° elbows
2 x 45° elbows
• A minimum of an 8 ft. (2.43 m) vertical rise.
• Two (2) sets of 45° elbow offsets may be used
within the vertical sections. From zero to max 8 ft.
(2.43 m) vent pipe can be used between elbows
(Fig. 31).
• 7DVCS supports offsets (Fig. 34). This application
will require you first determine the roof pitch and
use the appropriate starter kit. See Venting
Components List, pages 22 and 23.
• The maximum angular variation allowed in the
system is 270˚ (Fig. 32).
20
Max. 10' (3 m)
Support straps
every 36" (914 mm)
Max. 10' (3 m)
Max height & length
= 10 ft. (3 m)
1
= 8 / ft. (2.6 m)
2
= 7 ft. (2.1 m)
1 + 2 + 3 + 4 = 270 o
1
2
3
4
Fig. 32 Maximum elbow usage
• The minimum height of the vent above the highest
point of penetration through the roof is 2' (610 mm)
(Fig. 33).
Fig. 33 Maximum termination to roof clearance
1
2
3
4
Max bends R&T
Min.
2' (610 mm)
TTR termination
10002547