FMI UVC-ST 36, UVC-ST, UV-ST Owner's Operation And Installation Manual
UNVENTED (VENT-FREE) UNIVERSAL FIREBOX
P F S
®
US
OWNER’S OPERATION AND INSTALLATION MANUAL
MODELS
UVC-ST
UV-ST 36'' See-Thru Non-
36" See-Thru Heat-
Circulating Firebox
Circulating Firebox
UVC-ST SHOWN
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.
— Do not store or use gasoline or other ammable
vapors and liquids in the vicinity of this or any other
appliance.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any
phone in your building.
• Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the re
department.
— Installation and service must be performed by a quali-
ed installer, service agency or the gas supplier.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
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WARNING: Improper installation, 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 qualied installer,
service agency or the gas supplier.
WARNING: For use only with decorative type unvented room heaters. Do not build a wood re.
This rebox has been tested and approved by I.A.S.
under their REQ. 2-97 for use with any ANS Z21.11.2
approved gas logs.
TABLE OF CONTENTS
Safety .................................................................. 2
Local Codes......................................................... 4
Unpacking............................................................ 4
Product Features ................................................. 4
Product Specications ......................................... 5
Locating Firebox ................................................. 5
Air for combustion and Ventilation ....................... 6
Installation ........................................................... 8
Operating Guidelines and Maintenance
Instructions ..................................................... 16
Replacement Parts ............................................ 16
Technical Service............................................... 17
Accessory .......................................................... 17
Parts .................................................................. 18
Warranty ..............................................Back Cover
SAFETY
IMPORTANT: Read this owner’s
manual carefully and completely
before trying to assemble, operate or service this rebox.
Improper use of this rebox can
cause serious injury or death
from burns, re, explosion, elec-
trical shock or carbon monoxide
poisoning.
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CAUTION: Carefully review
the instructions supplied with
the decorative type unvented
room heater for the minimum
rebox size requirement. Do not
install the appliance in this rebox unless this rebox meets the
minimum dimensions required
for the installation.
WARNING: Any change to
this rebox or its controls can
be dangerous.
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SAFETY
Continued
WARNING: Do not use a blow-
er insert, heat exchanger insert
or other accessory not approved
for use with this rebox.
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.
Firebox front and screen becomes very hot when running
rebox. Keep children and adults
away from hot surfaces to avoid
burns or clothing ignition. Firebox will remain hot for a time
after shutdown. Allow surfaces
to cool before touching.
Carefully supervise young chil-
dren when they are in the room
with rebox.
You must operate this replace
with the provided fireplace
screen, hood and brick liner in
place. Make sure these parts
are in place and screens are
closed before running rebox.
The supplied hoods may not be
replaced with hoods which may
be provided with a log heater.
Keep the appliance area clear
and free from combustible ma-
terials, gasoline and other ammable vapors and liquids.
1. This rebox shall not be installed in a
bedroom or bathroom.
2. Never install the rebox
• in a recreational vehicle
• where curtains, furniture, clothing or
other ammable objects are less than
42" from the front, top or sides of the
rebox
• in high trafc areas
• in windy or drafty areas
3. Do not use this rebox as a wood-burning
replace. Use only decorative unvented
room heaters (log sets).
4. Do not add extra logs or ornaments such as
pine cones, vermiculite or rock wool. Using
these added items can cause sooting.
5. Use only the provided hoods accessories.
See Accessories on page 17.
6. Vent-free gas log heaters installed in this
rebox require fresh air ventilation to run
properly. See Air for Combustion and
Ventilation, page 6.
7. Do not run rebox
• where ammable liquids or vapors are
used or stored
• under dusty conditions
8. Do not use this rebox to cook food or
burn paper or other objects.
9. Never place any objects in rebox or on
logs.
10. Turn rebox off and let cool before servicing. Only a qualied service person should
service and repair rebox.
11. Operating vent-free logs in a rebox above
elevations of 4,500 feet could cause pilot
outage.
12. Do not use the rebox if it has been under water due to the shock hazard that
could result with the blower accessary (if
installed) in place.
13. Provide adequate clearances around air
openings.
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LOCAL CODES
Install and use rebox with care. Follow all
local codes. In the absence of local codes,
use the latest edition of The National Fuel Gas
Code ANS Z223.1/NFPA 54*. Firebox must
be electrically grounded in accordance with
the National Electrical Code, ANS/NFPA70
(latest edition).
*Available from:
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
National Fire Protection Association, Inc.
Batterymarch Park
Quincy, MA 02269
UNPACKING
1. Remove all protective packaging from
inside rebox. Carefully lift the rebox off
the bottom corrugated tray.
2. Carton should contain 2 deective hoods
and hardware packet in addition to rebox
assembly. If items are missing, inform
dealer where you bought rebox.
3. Check rebox for any shipping damage. If
rebox is damaged call FMI PRODUCTS,
LLC at 1-866-328-4537 for replacement
parts before returning to dealer.
State of Massachusetts: The installation
must be made by a licensed plumber or
gas tter in the Commonwealth of Mas-
sachusetts.
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.
NOTICE: The rebox identication label (including model number, serial number, clearances,
etc.) is located underneath the
heat shield. See Figure 19, page
16.
PRODUCT FEATURES
OPERATION
This rebox is designed for use with approved
ANS 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.
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BLOWER ACCESSORY
The UVC-ST only firebox will accept the
GA3750A accessory. The variable blower
allows you to select the fan speed you desire. The blower circulates heated air from
the rebox into the room. Use of blower is
optional.
BRICK LINER
This rebox features a concrete 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
rebox or vent-free gas logs.
HEAT DEFLECTIVE HOOD
Two (2) black painted steel hoods come
standard with the unit, which must be installed
for a safe operation.
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PRODUCT SPECIFICATIONS
4 1/4"
3
1
/8"
5
12"
4"
1 1/4"
1/2"
5/8"
20 1/2"
5 1/2"
11
1
/2"
2
1
/4"
40"
17 1/2"
37 1/2"
1
1
/2"
3"
24"
36 1/2"
42 1/2"
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. This model CANNOT be installed in a
bedroom or bathroom.
4. Proper air for combustion and ventilation.
5. Consider a location where heat output
would not be affected by drafts, air condition ducts, windows or doors.
6. A location that minimizes modications
on existing framing will make installation
easier.
Projected installations can extend any
distance into the room. A projection may
be ideal as a partition between two otherwise common areas when added to an
existing, nished wall (see Figure 2).
Figure 1 - Dual-Sided Firebox
LOCATING FIREBOX
Internal wall installation provides a
discreet viewi ng option betwee n two
adjacent rooms or within an added wall
to subdivide an oversize room.
Figure 2 - Projected Installation
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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 ap-
pliances 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 ANS 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 pages 6 through 8 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
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 ANS Z223.1/
NFPA 54 denes a conned space as a space
whose volume is less than 50 cubic feet per
1,000 Btu/hr (4.8 m
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/hr (4.8 m3 per kw) of the ag-
gregate 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.
This heater shall not be installed in a conned
space or unusually tight construction unless
provisions are provided for adequate combus-
tion and ventilation air.
* Adjoining rooms are communicating only if
there are doorless passageways or ventilation
grills between them.
-11
kg per pa-sec-m2) or less
3
per kw) of the aggregate
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55473B6
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