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UVS33/36 Vent-Free Heaters
Mantels
Depending on the width of the mantel, it may be in-
stalled higher or lower from the combustion chamber
opening. This also applies to the distance between the
mantel leg (if installed) and the fireplace. Refer to Fig-
ures 5a and 5b for correct mounting heights and widths
for combustible mantels and mantel legs.
Noncombustible mantels and legs may be installed at
any height above the appliance opening.
When using paint or lacquer to finish the
mantel, such paint or lacquer must be heat
resistant to prevent discoloration.
A
B
C
Bottom of Door Trim
Ref.
Mantel
Shelf Depth
V
10" (254 mm)
W
8" (203 mm)
X
6" (152 mm)
Y
4" (101 mm)
Z
2" ( 51 mm)
Fig. 5a Combustible mantel minimum installation.
Hearth Extension
A hearth extension in front of heater is recommended
but not required.
Planning
Planning the installation is an important first step: it will
save time and money later in the actual installation. In
planning the installation, consider:
1. Where the heater will be located.
2. All components needed to complete the
project.
6
V
W
X
Y
Z
D
E
Fireplace
Top Louvre
Assembly
Top of Combustion
Chamber
CFM146
CFM146
Ref.
Mantel From Top
DV Mantel Chart
7/5/01 sta
of Comb. Chamber
A
19¹⁄₂" (495 mm)
B
17¹⁄₂" (444 mm)
C
15¹⁄₂" (394 mm)
D
13¹⁄₂" (343 mm)
E
11¹⁄₂" (292 mm)
Black
Surround
Face
Side of
CFM164a
Combustion Chamber
Mantel Leg Chart
06/22/01 sta
Mantel
Ref.
Leg Depth
CFM170
F
10" (254 mm)
DV Builder Front
G
8" (203 mm)
View
H
6" (152 mm)
I
4" (101 mm)
J
2" (51 mm)
Fig. 5b Combustible mantel leg minimum installation.
Mounting the Heater
The heater should only be mounted on the following
surfaces:
•
A flat combustible (burnable) surface.
•
A raised wooden platform.
•
A concrete block or other solid object placed be-
neath each of the four corners of the heater.
To mount the heater:
1. Choose unit location.
2. Place unit in position and secure to floor with 1¹⁄₂"
screws or nails. The holes to secure the unit to the
floor are located just behind the bottom louvre on the
left and right hand side of the unit.
J
I
H
G
Mantel
Leg
CFM164a
K
L
M
N
O
Mantel Leg From Side
Ref.
of Combustion Opening
K
12"
(305 mm)
L
10"
(254 mm)
M
8"
(203 mm)
N
6"
(152 mm)
O
4"
(101 mm)
20002211
F
Mantel
Leg
CFM170
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