CFM Corporation UVDR36C, UVDR42C User Manual
Ventless Fireplace
Models: UVDR36C
UVDR42C
INSTALLER/CONSUMER
SAFETY INFORMATION
Read and save
these instructions.
This book contains your installation instructions and should be kept in a safe place. For
you to realize all the advantages and use of
the reliable service that has been engineered
into your CFM Corporation fireplace, you
must carefully follow all of the instructions
contained in this book regarding installation
and operation of the fireplace.
These instructions should be read carefully
in their entirety before beginning installation
of the fireplace.
It is suggested that you wear work gloves
and safety glasses to protect your hands and
eyes when installing your fireplace. NOTE:
Authorities having jurisdiction (i.e. building
inspectors, fire marshals, etc.) should be
consulted before installation to determine the
need to obtain a permit.
When installing the Blower Kit, it is necessary to bring the power source to the fireplace before walls are enclosed. Refer to
Blower Kit instructions.
These fireboxes are approved as universal fireboxes and can be paired with any
ANSI Z21.11.2 approved vent-free log set.
The vent-free log manufacturer’s instructions - including their required dimensional clearances for firebox size, - must
be followed.
Refer to the manual that is packed with the
log set for operating instructions.
Not for use in bedroom or bathroom installations.
Homeowner’s Installation and
Operating Manual
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
20007469 9/07 Rev. 5
UVDR Series Unvented Gas Fireplaces
A
B
C
Hearth Dimensions ........................................................................................................................2
Fireplace Dimensions ..................................................................................................................3
Installation Instructions ............................................................................................................... 4
Locating the Fireplace ........................................................................................................ 4
Gas line ..............................................................................................................................4
Drafts ..................................................................................................................................4
Clearances .........................................................................................................................4
Installing the Firebox ..........................................................................................................5
Finishing the Fireplace .......................................................................................................7
Hearth Extension ................................................................................................................ 7
Pre-wiring of Junction Box .................................................................................................. 7
Electrical Services .............................................................................................................. 7
BL-4 Blower Installation ......................................................................................................8
UVDR36C Installation .........................................................................................................8
UVDR42C Installation .........................................................................................................8
Install Optional Outside Air Kit ............................................................................................ 9
Replacement Parts ..................................................................................................................... 11
Accessories ................................................................................................................................12
Servicing .....................................................................................................................................12
Warranty ...................................................................................................................................... 15
Table of Contents
UVDR36C, UVDR42C
Certified To
ANSI Z 21.91a - 2002
Ventless Fireboxes
for use with
any ANSI Z21.11.2
Unvented Room Heaters
Units:
UVDR36C GF1VF2
UVDR42C GF1VF4
FP1531
Front Width Back Width Depth
A B C
UVDR36C 35” 23¹⁄₈” 16¹⁄₄”
(889 mm) (589 mm) (413 mm)
UVDR42C 40
(683 mm) (559 mm) (451 mm)
³⁄₄” 32⁷⁄₈” 18¹⁄₂”
Fig. 1 Hearth dimensions.
2
20007469
C
F
J
G
E
K
Gas Line
Access
Rough Opening Width C
Rough
Opening
Height
Rough
Opening
Depth
P
N
M
P
L
H
E
D
B
A
6"
1/2” Clearance to
Combustibles
not Required
at this Point
UVDR Series Unvented Gas Fireplaces
Fireplace Dimensions
1/2” Clearance to
Combustibles not Required
at this Point
Fig. 1a UVDR36/42C specifications and framing dimensions.
UVDR36C UVDR42C
A 36” 42”
B 21
⁷⁄₈” 21⁷⁄₈”
C 39” 45”
D 7” 8”
E 35” 39”
F 38
G 9” 10
¹⁄₄” 42¹⁄₄”
¹⁄₂”
H 21” 22”
J 8
K 22” 32”
L 21” 22”
M 65” 76
N 32
P 46” 54”
⁵⁄₈” 9³⁄₄”
¹⁄₄”
¹⁄₂” 38¹⁄₈”
20007469
3
UVDR Series Unvented Gas Fireplaces
Room Divider
Partial Room
Projection
Full Room
Projection
Flush
Corner
Installation Instructions
Locating the Fireplace
Figure 2 shows some of the many ways your fireplace
may be installed. Consider the traffic pattern in your
room and the location of doors and windows. Moving
air from ceiling fans, open doors and hot air grilles may
cause the flames to soot. If a disturbance is found that
effects the flames, it must be eliminated by turning off
the ceiling fan, closing the door or closing or moving
the hot air register. A corner location may be best where
space is limited.
Your fireplace weighs no more than some of your fine
furniture. If the fireplace is located near a load bearing wall, additional supports to the foundation will not
be necessary. HEAVY FACINGS SUCH AS BRICK,
STONE, ETC., MAY REQUIRE ADDITIONAL FOUNDATION SUPPORT.
ALTHOUGH THIS UNIT MAY BE INSTALLED ON
COMBUSTIBLE SURFACES, IT MUST NOT BE INSTALLED ON CARPET OR VINYL.
Fig. 2 Locating the fireplace.
Gas Line
The gas line must be installed before framing in the fireplace by a licensed gas line installer.
Drafts
Do not locate the fireplace in high traffic areas or areas
exposed to high drafts and winds. Locate the fireplace
away from furniture and draperies.
The fireplace may be placed directly on a combustible
floor, against a combustible wall at marked clearances
or on a raised wooden platform.
4
Fireplace Clearances
T224
If the fireplace is to be installed on a raised wooden
platform, the platform must be a continuous level surface. The fireplace must be secured in place so it cannot shift positions. The nailing flanges on the sides of
the firebox make securing it to the framing easy. They
were designed to allow the installation of 1/2” wallboard
or plywood flush with the face of the fireplace.
Only the header (Fig. 1) may rest on the standoffs on
top of the firebox.
When the fireplace is installed over carpeting, vinyl, tile
or any combustible material other than wood flooring, it
must be installed on a metal or wood panel extending
its full width and depth. Alternatively, the carpeting, vinyl
tile, etc., may be removed from beneath the fireplace
before installing. COMBUSTIBLE MATERIALS MUST
NOT BE INSTALLED OVER OR TOUCH ANY BLACK
PAINTED SURFACE. DO NOT BLOCK HEAT CIRCULATING AIR OUTLETS. DOING SO MAY RESULT IN
POTENTIAL FIRE HAZARD.
Clearances
To ensure a safe installation the following instructions
must be carefully observed.
1. Sidewall Clearances: Clearances from the side of
the fireplace opening to any combustible wall should
not be less than 5”. (Fig. 3a)
2. Ceiling Clearances: The ceiling height should not
be less than 42” from the top of the fireplace opening.
3. Mantel Clearances:
a. If the fireplace has no mantelpiece, then the heat
resistant material must extend upwards a distance of at least 9¹⁄₂" from the fireplace opening.
A mantel projection must be a minimum of 24”
above the top fireplace opening if a canopy is not
installed. (Fig. 3b)
b. Noncombustible materials used in this installation
such as slate, marble, tile, etc. must be at least
1/2" thick. Do not install a combustible material
behind sheet metal. Failure to use noncombustible materials above the opening as specified
in these instructions may cause damage to the
materials used and create a fire hazard.
c. A heat reducing canopy is shipped with the
fireplace. Use of this canopy is optional in order
to reduce mantel heights as shown in Figure 3d.
If the canopy is installed, a combustible mantel
piece may project 2" from the wall at 6¹⁄₂" above
the fireplace opening. A 6" mantel projection at
13" above the fireplace opening and a 10" projection at 22" above the opening. (Fig. 3a and 3d)
To install the optional canopy, remove the four (4)
screws supplied with a Phillips screwdriver. Two (2)
20007469
UVDR Series Unvented Gas Fireplaces
42"
5" Min.
9"
Min.
24"
Min.
10"
6"
16"
Min.
8
10
12
14
16
18
20
22
24
2 4
6 8
10
8
10
12
14
16
18
20
22
2 4
6 8
10
6
Clearance to Combustible
3a
Combustible Perpendicular Wall
3b
Clearances
without Canopy
Noncombustible
Material
Fireplace
Opening
Fig. 3 Clearances to combustibles.
FP604b
screws are located across the top of the fireplace
opening approximately 5” to the right and left from
center. Two (2) screws are located 4” down from
the top on each side of the fireplace opening. Place
the canopy, making sure the 1/4” hex head screws
across the top of the opening align with the clearance holes in the canopy. Secure with the four (4)
previously removed screws.
WARNING: The firebox canopy must not be modified
or replaced with a canopy that may be provided with
the unvented decorative room heater.
4. Floor Clearances: No clearance is required if the
appliance is installed per these instructions.
Installing the Firebox
This list of specific instructions will help you make certain that every installation operation is done correctly.
Complete the installation steps in the sequence shown.
LOCAL BUILDING CODES SHOULD BE CONSULTED
IN ALL CASES AS TO THE PARTICULAR REQUIREMENTS CONCERNING THE INSTALLATION OF FACTORY BUILT FIREPLACES.
Select the location for the fireplace by taking into consideration the factors previously outlined in the Locating
the Fireplace section of the manual.
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Mantel Projections without
3c
Clearance* from Top of Fireplace Opening (“)
Canopy
Mantel (Combustible)
Projections (“)
Step 1: Framing the Firebox
The width of the framed opening must be 39” for 36”
models or 45¹⁄₄" for 42" models. (Fig. 4)
The entire fireplace can be elevated above the floor
to achieve a raised hearth effect. This can be done by
adding a small platform to achieve the desired height.
NOTE: Refer to Pre-wiring the Junction Box and Electrical Service on Page 7.
Step 2: Install the Firebox
Install the firebox into the framed opening by setting
it directly in front of the opening and sliding it into the
proper position.
Step 3: Level the Firebox
Check the level of the firebox on the top edge of the fireplace face. Shim if necessary.
Step 4: Secure the Firebox
Four (4) nailing flanges are supplied with the fireplace
(found on the fireplace hearth). To level the box and
secure it firmly in place, remove the nailing flanges from
the hearth and install at the sides of the fireplace as
shown in Figure 5.
NOTE: The nailing flanges have two (2) sets of holes
to allow for adjustment for 1/2” or 5/8” offset of the face
of the unit. When installing the nailing flanges, choose
the set of holes on the nailing flange that fit with your
application.
Clearance to Combustible
Mantel Projections with 4”
3d
*Combustible Projections
above the fireplace must be
within the area described by the
dashed line.
Canopy
T225
5
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