FMI (V)BFBF36 series, (V)BFBL42 series, (V)BFBL36 series, (V)BFBF42 series Owner's Operation And Installation Manual
UNVENTED (VENT-FREE) UNIVERSAL FIREBOX
PFS
US
OWNER’S OPERATION AND INSTALLATION MANUAL
®
CIRCULATING MODELS
(V)BFBF36, (V)BFBL36, (V)BFBF42, AND (V)BFBL42 SERIES
WARNING: If the information in this manual is not
followed exactly, a re or explosion may result causing
property damage, personal injury or loss of life.
FOR USE ONLY WITH A LISTED GAS-FIRED UNVENTED
DECORATIVE ROOM HEATER NOT TO EXCEED 40,000
BTU/HR. DO NOT BUILD A WOOD FIRE.
Carefully review the instructions supplied with the
decorative type unvented room heater for the minimum
replace size requirement.
DO NOT INSTALL AN APPLIANCE IN THIS FIREBOX
UNLESS THIS FIREBOX MEETS THE MINIMUM DIMEN-
SIONS REQUIRED FOR THE INSTALLATION.
This rebox has been tested and approved under ANSI
Z21.91 for use with any ANSI Z21.11.2 approved gas logs.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
For more information, visit www.fmiproducts.com
TABLE OF CONTENTS
Safety .................................................................. 2
Local Codes......................................................... 3
Product Features ................................................. 3
Locating Firebox .................................................. 4
Product Specications ......................................... 4
Air For Combustion and Ventilation ..................... 6
SAFETY
Installation ........................................................... 8
Replacement Parts ............................................ 17
Technical Service............................................... 17
Accessories ....................................................... 17
Parts .................................................................. 18
Warranty ..............................................Back Cover
WARNING: Improper instal-
lation, adjustment, alteration,
service or maintenance can
cause injury or property damage.
Refer to this manual for correct
installation and operational
procedures. For assistance or
additional information consult
a qualified installer, service
agency or the gas supplier.
This appliance may be installed
in an aftermarket,* permanently
located, manufactured (mobile)
home, where not prohibited by
local codes.
* Aftermarket: Completion of sale, not for
purpose of resale, from the manufacturer.
WARNING: This product
contains and/or generates
chemicals known to the state
of California to cause cancer or
birth defects or other reproductive harm.
IMPORTANT: Read this owner’s
manual carefully and completely
before trying to assemble,
operate or service this heater.
Improper use of this replace
can cause serious injury or
death from burns, re, explosion, electrical shock and carbon
monoxide poisoning.
WARNING: Any change to
this rebox or its controls can
be dangerous.
WARNING: Do not allow fans
to blow directly into the rebox.
Avoid any drafts that alter burner
ame patterns. Ceiling fans can
create drafts that alter burner
ame patterns. Altered burner
patterns can cause sooting.
WARNING: Do not use a
blower insert, heat exchanger
insert or other accessory not approved for use with this rebox.
Do not place clothing or other
ammable material on or near
the appliance. Never place any
objects in the rebox or on logs.
Firebox front and screen become
very hot when running heater.
Keep children and adults away
from hot surface to avoid burns
or clothing ignition. Firebox
will remain hot for a time after
shutdown. Allow surface to cool
before touching.
Carefully supervise young chil-
dren when they are in the room
with rebox.
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126333-01A2
SAFETY
Continued
You must operate this replace
with the provided fireplace
screen, hood if provided, in
place. Make sure these parts
are in place and screens are
closed before running rebox.
The supplied hood may not be
replaced with a hood which may
be provided with a log heater.
Keep the replace area clear and
free from combustible materials,
gasoline and other ammable
vapors and liquids.
1. Do not use this rebox as a wood-burning
replace. Use only decorative unvented
room heaters (log sets).
2. Do not add extra logs or ornaments such as
pine cones, vermiculite or rock wool. Using
these added items can cause sooting.
LOCAL CODES
Install and use heater with care. Follow all
local codes. In the absence of local codes,
use the latest edition of The National Fuel Gas
Code, ANSI Z223.1/NFPA 54*. Firebox must
be electrically grounded in accordance with
the National Electrical Code, ANSI/NFPA70
(latest edition).
*Available from:
American National Standards Institute, Inc.
National Fire Protection Association, Inc.
State of Massachusetts: The installation
must be made by a licensed plumber or
gas tter in the Commonwealth of Massachusetts.
Sellers of unvented propane or natural
gas-red supplemental room heaters shall
provide to each purchaser a copy of 527
CMR 30 upon sale of the unit.
Vent-free gas products are prohibited for
bedroom and bathroom installation in the
Commonwealth of Massachusetts.
126333-01A 3
1430 Broadway
New York, NY 10018
Batterymarch Park
Quincy, MA 02269
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3. Use only the provided hood or appropriate hood accessory. See Accessories on
page 17.
4. Vent-free gas log heaters installed in these
reboxes require fresh air ventilation to
run properly. See Air for Combustion and
Ventilation, page 6.
5. Do not run rebox
• where ammable liquids or vapors are
used or stored
• under dusty conditions
6. Do not use this rebox to cook food or
burn paper or other objects.
7. Turn rebox off and let cool before servicing. Only a qualied service person should
service and repair rebox.
8. Operating rebox above elevations of
4,500 feet could cause pilot outage.
9. Do not use rebox if it has been under water
due to shock hazard that could result with
the blower accessary (if installed) in place.
PRODUCT FEATURES
OPERATION
This rebox is designed for use with approved
ANSI Z21.11.2 decorative type unvented room
heaters. (Physical size limitations apply. Refer
to minimum rebox requirements supplied
with log heater.) It requires no outside vent-
ing or chimney making installation easy and
inexpensive. When used without the blower,
the rebox requires no electricity making it
ideal for emergency backup heat.
OUTSIDE AIR KIT ACCESSORY
The optional AK4 and AK4F air kit provides ad-
ditional outdoor air to improve burner efciency
and reduce build-up of condensation in living
space. Follow instructions included with air kit.
REFRACTORY BRICK LINER
Your rebox may feature a concrete refractory
brick liner. As with all concrete liners, this liner
may develop slight cracks when exposed to
heat. These cracks will not affect the performance of the replace or vent-free gas logs.
OPTIONAL FIBER LINERS
For a vintage look, the ber panels give a old
masonry brick look and are light weight and
easy to install.
LOCATING FIREBOX
PLANNING
Plan where you will install the rebox. This will
save time and money later when you install
the rebox. Before installation, consider the
following:
1. Where the rebox will be located. Allow for
wall and ceiling clearances (see Installa-
tion Clearances, page 9).
2. Everything needed to complete installation.
3. These models CANNOT be installed in a
bedroom unless the maximum Btu rating
of the installed vent-free log set is less
than 10,000 Btu/hr.
4. Proper air for combustion and ventilation
(page 6).
36" MODELS
7.756 22.605
PRODUCT SPECIFICATIONS
37.416
26.482
Firebox Top View
3.846
4.427
24.906
5.063
21.412
33.099
12.942
8.201
6.625
8.197
2.968
Electrical
Outlet
9.734
7.363
38.125
40.057
36.125
Right Side View Right Side View
Front View
Outside Air
Kit Location
(Optional)
Figure 1 - Firebox Dimensions 36'' Models
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9.256
9.734
126333-01A4
42" MODELS
PRODUCT SPECIFICATIONS
Continued
Firebox Top View
26.504
8.163
3.628
Electrical
Outlet
9.705
7.330
42.063
44.063
45.995
Right Side View Right Side View
Front View
7.763 28.612
21.041
24.926
4.392
21.413
37.307
Outside Air
Kit Location
(Optional)
33.147
12.933
8.193
6.644
9.227
9.705
Figure 2 - Firebox Dimensions 42'' Models
126333-01A 5
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AIR FOR COMBUSTION AND VENTILATION
WARNING: This heater shall
not be installed in a room or space
unless the required volume of indoor combustion air is provided
by the method described in the
National Fuel Gas Code, ANSI
Z223.1/NFPA 54, the International
Fuel Gas Code, or applicable
local codes. Read the following
instructions to insure proper fresh
air for this and other fuel-burning
appliances in your home.
Today’s homes are built more energy efcient
than ever. New materials, increased insulation
and new construction methods help reduce
heat loss in homes. Home owners weather
strip and caulk around windows and doors
to keep the cold air out and the warm air in.
During heating months, home owners want
their homes as airtight as possible.
While it is good to make your home energy
efcient, your home needs to breathe. Fresh
air must enter your home. All fuel-burning appliances need fresh air for proper combustion
and ventilation.
Exhaust fans, reboxes, clothes dryers and
fuel burning appliances draw air from the
house to operate. You must provide adequate
fresh air for these appliances. This will insure
proper venting of vented fuel-burning appliances.
PROVIDING ADEQUATE
VENTILATION
The following are excerpts from National Fuel
Gas Code, ANSI Z223.1/NFPA 54, Air for
Combustion and Ventilation.
All spaces in homes fall into one of the three
following ventilation classications:
1. Unusually Tight Construction
2. Unconned Space
3. Conned Space
The information on page 5 through 7 will help
you classify your space and provide adequate
ventilation.
Unusually Tight Construction
The air that leaks around doors and windows
may provide enough fresh air for combustion
and ventilation. However, in buildings of unusually tight construction, you must provide
additional fresh air.
Unusually tight construction is dened as
construction where:
a. walls and ceilings exposed to the out-
side atmosphere have a continuous
water vapor retarder with a rating of
one perm (6 x 10
less with openings gasketed or sealed
and
b. weather stripping has been added on
openable windows and doors and
c. caulking or sealants are applied to
areas such as joints around window
and door frames, between sole plates
and oors, between wall-ceiling joints,
between wall panels, at penetrations
for plumbing, electrical and gas lines
and at other openings.
If your home meets all of the three criteria
above, you must provide additional fresh
air. See Ventilation Air From Outdoors,
page 8.
If your home does not meet all of the three
criteria above, proceed to Determining
Fresh-Air Flow for Firebox Location,
page 7.
Conned and Unconned Space
The National Fuel Gas Code, ANSI Z223.1/
NFPA 54 denes a conned space as a space
whose volume is less than 50 cubic feet per
1,000 Btu per hour (4.8 m3 per kw) of the aggregate input rating of all appliances installed
in that space and an unconned space as a
space whose volume is not less than 50 cubic
feet per 1,000 Btu per hour (4.8 m3 per kw)
of the aggregate input rating of all appliances
installed in that space. Rooms communicating
directly with the space in which the appliances
are installed*, through openings not furnished
with doors, are considered a part of the unconned space.
* Adjoining rooms are communicating only if
there are doorless passageways or ventilation
grills between them.
-11
kg per pa-sec-m2) or
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126333-01A6
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