Clearance to combustibles, Mantels, Hearth – Vermont Casting DV580 User Manual
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DV360/580 Series Direct Vent Gas Fireplace
20010667
Clearance to Combustibles
Top of unit to ceiling ................................. 36” (914 mm)
Front of unit to combustibles ................... 36” (914 mm)
Appliance
Top of standoff ....................................... 0” (0 mm)
Bottom ..................................................... 0” (0 mm)
Side ......................................................... 0” (0 mm)
Back ........................................................ 0” (0 mm)
Venting
Concentric sections of DV Vent ................... 1” (25 mm)
Nonconcentric sections of DV Vent
Sides and bottom .................................. 1” (25 mm)
Top ........................................................ 2” (51 mm)
Mantels
The height that a combustible mantel is fitted above the
fireplace is dependent on the depth of the mantel. This
also applies to the distance between the mantel leg (if
fitted) and the fireplace.
For the correct mounting height and widths, refer to
Figures 4a, 4b and the Mantel Chart below.
The distances and reference points are not affected by
the fitting of a bay window front trim kit.
Noncombustible mantels and legs may be installed at
any height and width around the appliance. When using
paint or lacquer, it must be heat resistant to prevent
discoloration.
A B C D E
V
W
X
Y
Z
Fireplace
CFM146
DV Mantel Chart
7/5/01 sta
Maintain minimum
3/4” (19 mm) clear-
ance to combustibles
Louvre Assembly
top
Top of Combustion
Chamber
CFM146
Bottom of Door Trim
Mantel Chart
Mantel Shelf
Mantel from Top
Ref. or Breast Plate
Ref. of Comb. Chamber
Depth
V
10” (254 mm)
A
19” (483 mm)
W
8” (203 mm)
B
17” (432 mm)
X
6” (152 mm)
C
15” (381 mm)
Y
4” (101 mm)
D
13” (330 mm)
Z
2” (51 mm)
E
11” (279 mm)
Fig. 4a Combustible mantel minimum installation.
Hearth
A hearth is not mandatory, but is recommended for
aesthetic purposes. We recommend a noncombustible
hearth which projects out 12” (305 mm) or more from
the front of the fireplace.
Cold climate installation recommendation:
When installing this unit against a non-in-
sulated exterior wall or chase, it is manda-
tory that the outer walls be insulated to
conform to applicable insulation codes.
J
F
G
H
I
Mantel
Leg
CFM164a
Mantel Leg Chart
06/22/01 sta
CFM170
DV Builder Front
View
O
N
M
L
K
Black
Surround
Face
CFM164a
Side of
Combustion Chamber
CFM170
Mantel
Mantel Leg from Side
Ref.
Leg Depth
Ref.
of Comb. Opening
F
10” (254 mm)
K
11¹⁄₂” (292 mm)
G
8” (203 mm)
L
9¹⁄₂” (241 mm)
H
6” (152 mm)
M
7¹⁄₂” (191 mm)
I
4” (101 mm)
N
5¹⁄₂” (140 mm)
J
2” (51 mm)
O
3¹⁄₂” (89 mm)
Fig. 4b Combustible mantel leg minimum installation.