UNVENTED (VENT-FREE)
PROPANE/LP GAS LOG HEATER
ALSO DESIGN-CERTIFIED AS A VENTED DECORATIVE APPLIANCE
OWNER’S OPERATION AND INSTALLATION MANUAL
Multi-Sided
Log Design
FVFM27PR
®
(Millivolt) Remote
REMOTE
OFF
Control Ready Model
Patent Pending
WARNING: Improper installation, ad-
WARNING: If the information in this
justment, alteration, service, or main-
manual is not followed exactly, a fire or
tenance can cause injury or property
explosion may result causing property
damage. Refer to this manual for cor-
damage, personal injury, or loss of life.
rect installation and operational pro-
— Do not store or use gasoline or other
cedures. For assistance or additional
flammablevaporsandliquidsinthevicinity
informationconsultaqualifiedinstaller,
of this or any other appliance.
service agency, or the gas supplier.
— 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.
• Immediatelycallyourgassupplierfrom
a neighbor’s phone. Follow the gas
supplier’s instructions.
WARNING: This appliance is for in-
stallation only in a solid-fuel burning
masonry or UL127 factory-built fire-
place, or in an approved ventless fire-
box. It is design certified for these
installations in accordance with ANS
Z21.11.2. Exceptions: Do not install
this appliance in a factory-built fire-
place that includes instructions stat-
ing it has not been tested or should
not be used with unvented gas logs.
• If you cannot reach your gas supplier,
call the fire department.
— Installation and service must be per-
formed by a qualified installer, service
agency, or the gas supplier.
WARNING: This is an unvented gas-fired heater. It uses air (oxygen) from the room in
which it is installed. Provisions for adequate combustion and ventilation air must be
provided. Refer to Air for Combustion and Ventilation section on page 4 of this manual.
This appliance may be installed in an aftermarket* manufactured (mobile) home, where not prohibited by state
or local codes.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
Save this manual for future reference.
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OWNER’S MANUAL
PRODUCT
PRODUCT
IDENTIFICATION
FEATURES
OPERATION
This heater is clean burning. It requires no
outsideventing.Thereisnoheatlossoutavent
orupachimney.Heatisgeneratedbyrealistic,
dancing yellow flames. This heater is de-
signedforvent-freeoperationwithfluedamper
closed. It has been tested and approved to
ANS Z21.11.2 standards for unvented heat-
ers. State and local codes in some areas pro-
hibit the use of vent-free heaters. This heater
may also be operated as a vented decorative
(ANS Z21.60) product by opening the flue
damper (non-thermostat operation only).
Log Set
Optional
Remote
Control
Piezo
Ignitor
HI
APPLICATION
MAN
TEMP
LO
AUT
O
ON
OFF
ST
A
TUS
These multisided logs are designed to be
equallybeautifulwhenviewedfromanyangle.
Flame
Adjustment
Knob
They are designed specifically for use in
Optional Remote
Selector Switch
see-through,peninsula,andislandfireboxes
with multiple openings. You may also in-
stall this log heater in a standard firebox.
Base Assembly
Control Knob
SAFETY PILOT
Figure 1 - Product Identification
This heater has a pilot with an Oxygen
Depletion Sensor Shutoff System (ODS).
TheODS/pilotisarequiredfeatureforvent-
free room heaters. The ODS/pilot shuts off
the heater if there is not enough fresh air.
UNPACKING
LOCAL CODES
Install and use heater with care. Follow all
localcodes.Intheabsenceoflocalcodes,use
the latest edition of The National Fuel Gas
CodeANSZ223.1,alsoknownasNFPA54*.
CAUTION: Do not remove the
metal data plates from the grate
assembly. The data plates contain
important product information.
PIEZO IGNITION SYSTEM
This heater has a piezo ignitor. This system
requires no matches, batteries, or other
sources to light heater.
*Available from:
American National Standards Institute, Inc.
1. Remove logs and heater base assem-
bly from carton. Note: Do not pick up
heater base assembly by the burner.
This could damage heater. Always
handle base assembly by grate.
2. Remove all protective packaging ap-
plied to logs and heater for shipment.
3. Check all items for any shipping dam-
age. If damaged, promptly inform
dealer where you bought heater.
1430 Broadway
New York, NY 10018
REMOTE CONTROL
ACCESSORIES
National Fire Protection Association, Inc.
Batterymarch Park
There are four optional remote controls that
can be purchased separately for this log
heater
Quincy, MA 02269
Note: Where listed vented decorative logs
are required, thermostat operation is not
permitted.
• Wall switch
• Wall thermostat
• Hand-held ON/OFF remote
• Hand-held thermostat remote
See Accessories, page 21.
The wall thermostat or hand-held thermo-
stat may not be used where vented decora-
tive listing is required.
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FIREPLACE MANUFACTURERS INCORPORATED
UNVENTED PROPANE/LP GAS LOG HEATER
Confined and Unconfined Space
PROVIDING ADEQUATE
VENTILATION
AIR FOR
The National Fuel Gas Code (ANS Z223.1,
1992 Section 5.3) defines a confined 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
unconfined 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
inputratingofallappliancesinstalledinthat
space. Rooms communicating directly with
the space in which the appliances are in-
stalled*, through openings not furnished
with doors, are considered a part of the
unconfined space.
COMBUSTION AND
VENTILATION
The following are excerpts from National
Fuel Gas Code. NFPA 54/ANS Z223.1, Sec-
tion5.3, AirforCombustionandVentilation.
WARNING: This heater shall
not be installed in a confined space
or unusually tight construction
unless provisions are provided
for adequate combustion and ven-
tilation air. Read the following in-
structions to insure proper fresh
air for this and other fuel-burning
appliances in your home.
All spaces in homes fall into one of the three
following ventilation classifications:
1. Unusually Tight Construction
2. Unconfined Space
3. Confined Space
The information on pages 4 through 6 will
help you classify your space and provide
adequate ventilation.
Today’s homes are built more energy effi-
cient than ever. New materials, increased
insulation, and new construction methods
help reduce heat loss in homes. Home own-
ers weather strip and caulk around windows
and doors to keep the cold air out and the
warm air in. During heating months, home
ownerswanttheirhomesasairtightaspossible.
Unusually Tight Construction
This heater shall not be installed in a con-
fined space or unusually tight construction
unless provisions are provided for adequate
combustion and ventilation air.
The air that leaks around doors and win-
dows may provide enough fresh air for
combustion and ventilation. However, in
buildings of unusually tight construction,
you must provide additional fresh air.
* Adjoining rooms are communicating only
iftherearedoorlesspassagewaysorventila-
tion grills between them.
Unusually tight construction is de-
fined as construction where:
While it is good to make your home energy
efficient, your home needs to breathe. Fresh
air must enter your home. All fuel-burning
appliances need fresh air for proper com-
bustion and ventilation.
a. walls and ceilings exposed to the
outside atmosphere have a con-
tinuous water vapor retarder with
a rating of one perm (6x10-11 kg
per pa-sec-m2) or less with open-
ings gasketed or sealed and
Exhaustfans, fireplaces, clothesdryers, and
fuel burning appliances draw air from the
house to operate. You must provide ad-
equate fresh air for these appliances. This
will insure proper venting of vented fuel-
burning appliances.
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, be-
tween sole plates and floors, be-
tween wall-ceiling joints, be-
tween wall panels, at penetra-
tions for plumbing, electrical, and
gas lines, and at other openings.
If your home meets all of the three
criteria above, you must provide ad-
ditional fresh air. See Ventilation Air
From Outdoors, page 6.
If your home does not meet all of the
three criteria above, proceed to De-
termining Fresh-Air Flow For Heater
Location, page 5.
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OWNER’S MANUAL
AIR FOR
COMBUSTION AND
VENTILATION
Continued
DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION
Determining if You Have a Confined or Unconfined Space
Use this work sheet to determine if you have a confined or unconfined space.
Space: Includestheroominwhichyouwillinstallheaterplusanyadjoiningroomswithdoorlesspassagewaysorventilationgrillsbetween
the rooms.
1. Determine the volume of the space (length x width x height).
Length x Width x Height = _____________ cu. ft. (volume of space)
Example: Space size 20 ft. (length) x 16 ft. (width) x 8 ft. (ceiling height) = 2560 cu. ft. (volume of space)
If additional ventilation to adjoining room is supplied with grills or openings, add the volume of these rooms to the total volume of
the space.
2. Divide the space volume by 50 cubic feet to determine the maximum Btu/Hr the space can support.
_______________ (volume of space) ÷ 50 cu. ft. = (maximum Btu/Hr the space can support)
Example: 2560 cu. ft. (volume of space) ÷ 50 cu. ft. = 51.2 or 51,200 (maximum Btu/Hr the space can support)
3. Add the Btu/Hr of all fuel burning appliances in the space.
Vent-free heater
Gas water heater*
Gas furnace
Vented gas heater
Gas fireplace logs
Other gas appliances* +
_____________ Btu/Hr
_____________ Btu/Hr
_____________ Btu/Hr
_____________ Btu/Hr
_____________ Btu/Hr
_____________ Btu/Hr
_____________ Btu/Hr
Example:
Gas water heater
Vent-free heater + 39,000 Btu/Hr
Total 79,000 Btu/Hr
40,000 Btu/Hr
=
Total
=
* Do not include direct-vent gas appliances. Direct-vent draws combustion air from the outdoors and vents to the outdoors.
4. Compare the maximum Btu/Hr the space can support with the actual amount of Btu/Hr used.
_________________ Btu/Hr (maximum the space can support)
_________________ Btu/Hr (actual amount of Btu/Hr used)
Example: 51,200 Btu/Hr (maximum the space can support)
79,000 Btu/Hr (actual amount of Btu/Hr used)
The space in the above example is a confined space because the actual Btu/Hr used is more than the maximum Btu/Hr the space cansupport.
You must provide additional fresh air. Your options are as follows:
A. Rework worksheet, adding the space of an adjoining room. If the extra space provides an unconfined space, remove door to adjoin-
ing room or add ventilation grills between rooms. See Ventilation Air From Inside Building, page 6.
B. Vent room directly to the outdoors. See Ventilation Air From Outdoors, page 6.
C. Install a lower Btu/Hr heater, if lower Btu/Hr size makes room unconfined.
If the actual Btu/Hr used is less than the maximum Btu/Hr the space can support, the space is an unconfined space. You will need no
additional fresh air ventilation.
WARNING: If the area in which the heater may be operated is smaller than that defined as an unconfined space
or if the building is of unusually tight construction, provide adequate combustion and ventilation air by one of
the methods described in the National Fuel Gas Code, ANS Z223.1, 1992, Section 5.3 or applicable local codes.
Continued
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FIREPLACE MANUFACTURERS INCORPORATED
UNVENTED PROPANE/LP GAS LOG HEATER
AIR FOR
COMBUSTION AND
12"
VENTILATION
Continued
Ventilation
VENTILATION AIR
Ventilation Grills
Into Adjoining Room,
Option 2
Grills
Into Adjoining
Room,
Ventilation Air From Inside
Building
Or
Remove
Door into
Adjoining
Room,
Option
3
Option 1
Thisfreshairwouldcomefromanadjoining
unconfined space. When ventilating to an
adjoining unconfined space, you must pro-
vide two permanent openings: one within
12" of the ceiling and one within 12" of the
floor on the wall connecting the two spaces
(see options 1 and 2, Figure 2). You can also
remove door into adjoining room (see op-
tion 3, Figure 2). Follow the National Fuel
Gas Code NFPA 54/ANS Z223.1, Section
5.3, Air for Combustion and Ventilation for
required size of ventilation grills or ducts.
12"
WARNING: Rework work-
sheet, adding the space of the
adjoining unconfined space. The
combined spaces must have
enough fresh air to supply all
appliances in both spaces.
Figure 2 - Ventilation Air from Inside Building
Ventilated
Outlet
Attic
Air
Ventilation Air From Outdoors
Outlet
Air
Provide extra fresh air by using ventilation
grills or ducts. You must provide two per-
manent openings: one within 12" of the
ceiling and one within 12" of the floor.
Connect these items directly to the outdoors
orspacesopentotheoutdoors.Thesespaces
include attics and crawl spaces.
To Attic
To
Crawl
Space
Inlet
Air
IMPORTANT: Do not provide openings for
inlet or outlet air into attic if attic has a
thermostat-controlledpowervent.Heatedair
enteringtheatticwillactivatethepowervent.
Ventilated
Crawl Space
Inlet Air
Figure 3 - Ventilation Air from Outdoors
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OWNER’S MANUAL
INSTALLATION AND
CLEARANCES
(Vent-Free Operation Only)
INSTALLATION
WARNING: Never install the
heater
NOTICE: This heater is intended
foruseassupplementalheat.Use
this heater along with your pri-
mary heating system. Do not in-
stall this heater as your primary
heat source. If you have a central
heating system, you may run
system’scirculatingblowerwhile
using heater. This will help circu-
late the heat throughout the
house. In the event of a power
outage, you can use this heater
as your primary heat source.
• in a bedroom or bathroom un-
less installed as a vented ap-
pliance, see page 10
• in a recreational vehicle
• where curtains, furniture,
clothing, or other flammable
objects are less than 42 inches
from the front, top, or sides of
the heater
WARNING: Maintain the mini-
mum clearances. If you can, pro-
vide greater clearances from
floor, ceiling, and adjoining wall.
MINIMUM FIREPLACE
CLEARANCE TO
COMBUSTIBLE MATERIALS
• in high traffic areas
• in windy or drafty areas
Log Size Side Wall Ceiling
CAUTION: This heater cre-
ates warm air currents. These
currents move heat to wall sur-
faces next to heater. Installing
heater next to vinyl or cloth wall
coverings or operating heater
where impurities (such as to-
bacco smoke, aromatic candles,
cleaning fluids, oil or kerosene
lamps, etc.) in the air exist, may
discolor walls.
27"
16"
42"
WARNING: A qualified ser-
vice person must install heater.
Follow all local codes.
LOG SIZING REQUIREMENTS
Log
Size
Minimum Firebox
Height
17"
Depth
19"
Width
32"
NOTICE:Stateorlocalcodesmay
onlyallowoperationofthisappli-
ance in a vented configuration.
Check your state or local codes.
27"
Carefullyfollowtheinstructionsbelow.This
will ensure safe installation into a masonry,
UL127listedmanufacturedfirebox,orlisted
vent-free firebox.
WARNING: Before installing
in a solid fuel burning fireplace,
the chimney flue and firebox must
be cleaned of soot, creosote,
ashes and loose paint by a quali-
fied chimney cleaner. Creosote
will ignite if highly heated. A dirty
chimney flue may create and dis-
tribute soot within the house. In-
spect chimney flue for damage. If
damaged, operate heater with flue
damper closed.
IMPORTANT:Vent-freeheatersaddmois-
ture to the air. Although this is beneficial,
installing heater in rooms without enough
ventilation air may cause mildew to form
from too much moisture. See Air for Com-
bustion and Ventilation, pages 4 through 6.
Minimum Wall and Ceiling
Clearances (see Figure 4)
A. Clearances from the side of the fire-
place opening to any combustible wall
should not be less than 16 inches.
CHECK GAS TYPE
B. Clearances from the top of the fireplace
opening to the ceiling should not be less
than 42 inches.
Useonlypropane/LPgas.Ifyourgassupply
is not propane/LP, do not install heater. Call
dealer where you bought heater for proper
type heater.
WARNING: Seal any fresh air
vents or ash clean-out doors lo-
cated on floor or wall of fireplace.
If not, drafting may cause pilot
outage or sooting. Use a heat-
resistant sealant. Do not seal
chimney flue damper.
42"
16"
Left and
Right Sides
Figure4-MinimumClearancetoWalland
Ceiling
Continued
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FIREPLACE MANUFACTURERS INCORPORATED
UNVENTED PROPANE/LP GAS LOG HEATER
If Using Mantel
accessory. Evenifnoncombustiblematerial
is more than 12", you may need the hood
accessory to deflect heat away from your
mantel shelf. See Figure 5 this page and
Figures 6 and 7, page 9, for minimum
clearances.
INSTALLATION
You must have noncombustible material(s)
above the fireplace opening. Noncombus-
tible materials (such as slate, marble, tile,
etc.) must be at least 1/2 inch thick. With
sheet metal, you must have noncombustible
material behind it. Noncombustible mate- IMPORTANT: If you cannot meet these
rial must extend at least 8 inches up (for all minimumclearances,youmustoperateheater
models). If noncombustible material is less with chimney flue damper open, see Install-
than 12", you must install the fireplace hood ing Damper Clamp Accessory, page 10.
Continued
NOTICE: Manual control heaters
maybeusedasaventedproduct.
If so, you must always run heater
with chimney flue damper open.
If running heater with damper
open, non-combustible material
above fireplace opening is not
needed. Go to Installing Damper
Clamp Accessory for Vented Op-
eration, page 10.
Noncombustible
Material Distance (A)
Requirements for
Safe Installation
12" or more
Noncombustible material OK.
Minimum Noncombustible
Material Clearances
Between 8" and 12"
Installfireplacehoodaccessory(HDABKorHDABR,
see Accessories, page 21).
If Not Using Mantel
Less than 8"
Noncombustible material must be extended to at
least 8". See Between 8" and 12", above. If you
cannot extend material, you must operate heater
with flue damper open.
Note:Ifusingamantel,proceedtoIfUsing
Mantel. If not using a mantel, follow the
information below.
You must have noncombustible material(s)
above both fireplace openings. Noncom-
bustible materials (such as slate, marble,
tile, etc.) must be at least 1/2 inch thick.
With sheet metal, you must have noncom-
bustible material behind it. Noncombus-
tible material must extend at least 8" up (for
all models). If noncombustible material is
less than 12", you must install the fireplace
hood accessory. See Figure 5 to the right for
minimum clearances.
Heat Resistant
Material
(A)
IMPORTANT: If you cannot meet these
minimumclearances,youmustoperateheater
with chimney flue damper open, see Install-
ing Damper Clamp Accessory, page 10.
Figure 5 - Heat Resistant Material (Slate,
Marble, Tile, etc.) Above Fireplace
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OWNER’S MANUAL
Mantel Shelf
INSTALLATION
10"
Underside of
Mantel Shelf
8"
Continued
6"
MANTEL CLEARANCES
2 1/2"
In addition to meeting noncombustible ma-
terial clearances, you must also meet re-
quired clearances between fireplace open-
ings and mantel shelf on each side of the
fireplace. If you do not meet the clearances
listed below, you will need a hood.
All minimum
distances are
in inches
Minimum Non-
Combustible
Material
(A)
Determining
Clearance
Minimum
Mantel
12"
18"
20"
22"
24"
If you meet minimum clearance between
mantel shelf and top of fireplace opening, a
hood is not required (see Figure 6).
Top of Fireplace
Opening
Minimum Non-
Combustible
Material Height
Distances to
Underside of
Mantel
Determining Minimum Mantel Clear-
ance When using a Hood
If minimum clearances in Figure 6 are not
met, you must have a hood. When using a
hood there are still certain minimum mantel
clearancesrequired.Followminimumclear-
ances shown in Figure 7 when using hood.
Figure 6 - Minimum Mantel Clearances Without Using Hood
Mantel Shelf
12"
Underside of
Mantel Shelf
NOTICE:Ifyourinstallationdoes
notmeettheminimumclearances
shown, you must do one of the
following:
10"
8"
6"
2 1/2"
All minimum
distances are
in inches
• operate the logs only with the
flue damper open
• raise the mantel to an accept-
able height
Minimum Non-
Combustible
Material
Log Sets
20"
8"
Min.
12"
15"
18"
• remove the mantel
All Models
Top of Fireplace
Opening
FLOOR CLEARANCES
Hood
(HDABK, HDABR)
A. If installing appliance on the floor level,
you must maintain the minimum dis-
tance of 14" to combustibles (see Fig-
ure 8).
Distances to
Underside of
Mantel
B. If combustible materials are less than
14" to the fireplace, you must install
appliance at least 5" above the combus-
tible flooring (see Figure 9).
Figure 7 - Minimum Mantel Clearances When Using Hood
Combustible
Material
Combustible
Ma
t
14"
Hearth
Min.
erial
5”
Min.
Non-Combustible Material
Figure 8 - Minimum Fireplace Clearances
If Installed at Floor Level
Figure 9 - Minimum Fireplace Clearances
Above Combustible Flooring
Continued
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FIREPLACE MANUFACTURERS INCORPORATED
UNVENTED PROPANE/LP GAS LOG HEATER
Damper Clamp
INSTALLATION
Continued
INSTALLING DAMPER
CLAMP ACCESSORY FOR
VENTED OPERATION
Damper
Clamp
Damper
Damper
Note: When used as a vented heater, appli-
ance must be installed only in a solid-fuel
burning fireplace with a working flue and
constructed of noncombustible material.
Damper
Ifyourheaterisamanuallycontrolledmodel,
you may use this heater as a vented product.
There are three reasons for operating your
heater in the vented mode.
Manufactured Fireplace
Masonry Fireplace
Figure 10 - Attaching Damper Clamp
1. The fireplace does not meet the clear-
ance to combustibles requirements for
vent-free operation.
Installation Items Needed
• hardware package (provided with heater)
INSTALLING HEATER BASE
ASSEMBLY
2. State or local codes do not permit vent-
free operation.
• approved flexible gas hose (not provided)
(if allowed by local codes)
• sealant (resistant to propane/LP gas, not
provided)
• electric drill with 3/16" drill bit (metal
or masonry as applicable)
• flathead screwdriver
CAUTION: Do not remove the
metal data plates attached to the
heater base assembly. The data
platescontainimportantwarranty
information.
3. You prefer vented operation.
Ifreasons number 1 or 2 above apply toyou,
you must permanently open chimney flue
damper. You must install the damper clamp
accessory (to order, see Accessories, page
21). This will insure vented operation (see
Figure 10). The damper clamp will keep
damper open. Installation instructions are
included with clamp accessory.
WARNING: You must secure
this heater to fireplace floor. If
not, heater will move when you
adjust controls. Moving heater
may cause a gas leak.
1. Apply pipe joint sealant lightly to male
threads of the fitting to be threaded into
gas control. Connect approved flexible
gas hose to gas control fitting in heater
(see Figure 11, page 11).
See chart below for minimum permanent
flue opening you must provide. Attach
damper clamp so the minimum permanent
flue opening will be maintained at all times.
IMPORTANT: Hold gas fitting with
wrench when connecting flexible gas
hose.
WARNING: If installing in a
sunken fireplace, special care is
needed. You must raise the fire-
place floor to allow access to
heater control panel. This will in-
sure adequate air flow and guard
against sooting. Raise fireplace
floor with noncombustible mate-
rial. Make sure material is secure.
2. Locate two masonry screws in hard-
ware package.
Area of Various Standard
Round Flues
3. Place heater base in fireplace.
Diameter (ins.) Area (sq. ins.)
4. Place logs in their proper position on
heater base.
5"
6"
7"
8"
20 sq. inches
29 sq. inches
39 sq. inches
51 sq. inches
5. Center heater base and logs front-to-
back and side-to-side in fireplace.
6. Carefully remove logs without moving
heater base.
CAUTION: Do not pick up
heater base assembly by the
burner. This could damage
heater. Only handle base assem-
bly by grates.
Chimney
Minimum Permanent
7. Mark screw locations through one hole
on each side of the mounting bracket
(see Figure 12, page 11). If installing
in a brick-bottom fireplace, mark screw
locations in mortar joint of bricks.
Height (ft.) Flue Opening (sq. ins.)
6' to 15'
15' to 30'
39 sq. inches
2.9 sq. inches
IMPORTANT:Makesuretheheaterburner
is level. If heater is not level, heater will not
work properly.
8. Remove heater base from fireplace. If
installing optional control accessories,
do so at this time. Follow all directions
provided with accessory.
9. Drill holes at marked locations using
3/16" drill bit.
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OWNER’S MANUAL
Installation Items Needed
INSTALLATION
CAUTION: Use pipe joint seal-
ant that is resistant to liquid pe-
troleum (LP) gas.
Beforeinstallingheater,makesureyouhave
the items listed below.
Continued
10. Attach base assembly to fireplace floor
using two masonry screws (in hardware
package).
• external regulator (supplied by installer,
see above)
Installsedimenttrapinsupplylineasshown
in Figure 14. Locate sediment trap where it
is within reach for cleaning. Locate sedi-
ment trap where trapped matter is not likely
to freeze. A sediment trap traps moisture
and contaminants. This keeps them from
going into heater controls. If sediment trap
is not installed or is installed wrong, heater
may not run properly.
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• manual shutoff valve *
• test gauge connection *
• sediment trap
• tee joint
• pipe wrench
11. Connect to gas supply. See Connect-
ing To Gas Supply.
12. Replace logs on heater base.
Flexible Gas
Hose (if allowed
by local codes)
Fitting
* AnA.G.A.design-certifiedmanualshutoff
valve with 1/8" NPT tap is an acceptable
alternative to test gauge connection.
CAUTION: Avoid damage to
control. Hold fitting with wrench
when connecting it to gas piping
and/or fittings.
The installer must supply an external regu-
lator. The external regulator will reduce
incoming gas pressure. You must reduce
incominggaspressuretobetween11and14
inches of water. If you do not reduce incom-
ing gas pressure, heater regulator damage
could occur. Install external regulator with
the vent pointing down as shown in Figure
13. Pointing the vent down protects it from
freezing rain or sleet.
Figure 11 - Attaching Flexible Gas Hose
Propane/LP
to Heater
Masonry Screw
Supply
External
Tank
Regulator
Vent
Pointing
Down
WARNING: Never connect
heater to private (non-utility) gas
wells. This gas is commonly
known as wellhead gas.
I
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T
O
Mounting
Flanges
Figure 13 - External Regulator With Vent
Pointing Down
Figure 12 - Attaching Base Assembly to
Fireplace Floor
A.G.A. Design-
Certified Manual
Shutoff Valve With
CAUTION: Use only new,
black iron or steel pipe. Inter-
nally-tinned copper tubing may
be used in certain areas. Check
your local codes. Use pipe of 1/2"
diameter or greater to allow
proper gas volume to heater. If
pipe is too small, undue loss of
pressure will occur.
Approved
Flexible Gas
Hose (if allowed
by local codes)
CONNECTING TO GAS
SUPPLY
1/8" NPT Tap
From External
Regulator (11"
W.C.* to 14"
W.C. Pressure)
Gas
Control
WARNING: A qualified ser-
vice person must connect heater
to gas supply. Follow all local
codes.
3" Minimum
Cap Pipe
Installation must include a manual shutoff
valve, union, and plugged 1/8" NPT tap.
Locate NPT tap within reach for test gauge
hook up. NPT tap must be upstream from
heater (see Figure 14).
Tee
CAUTION: Never connect
heater directly to the propane/LP
supply. This heater requires an
external regulator (not supplied).
Install the external regulator be-
tween the heater and propane/LP
supply.
Nipple Joint
Sediment
Trap
Figure 14 - Gas Connection
Apply pipe joint sealant lightly to male
threads. This will prevent excess sealant
from going into pipe. Excess sealant in pipe
could result in clogged heater valves.
* Minimum inlet pressure for purpose of
input adjustment.
Continued
105224
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FIREPLACE MANUFACTURERS INCORPORATED
UNVENTED PROPANE/LP GAS LOG HEATER
Test Pressures Equal To or Less Than
1/2 PSIG
Pressure Testing Heater Gas
Connections
1. Open manual shutoff valve (see Fig-
ure 15).
INSTALLATION
Continued
1. Close manual shutoff valve (see Fig-
ure 15).
CHECKING GAS
CONNECTIONS
2. Pressurize supply piping system by ei-
ther using compressed air or opening
propane/LP supply tank valve.
2. Open propane/LP supply tank valve.
3. Make sure control knob of heater is in
the OFF position.
WARNING: Test all gas pip-
ing and connections for leaks
after installing or servicing. Cor-
rect all leaks at once.
3. Check all joints from propane/LP sup-
ply tank to manual shutoff valve (see
Figure 16). Apply mixture of liquid
soap and water to gas joints. Bubbles
forming show a leak.
4. Check all joints from manual shutoff
valve to control valve (see Figure 16).
Apply mixture of liquid soap and wa-
ter to gas joints. Bubbles forming show
a leak.
4. Correct all leaks at once.
WARNING: Never use an open
flame to check for a leak. Apply a
mixture of liquid soap and water
to all joints. Bubbles forming
show a leak. Correct all leaks at
once.
5. Correct all leaks at once.
Manual
Shutoff
Valve
6. Light heater (see Operating Heater,
pages 14 through 16). Check all other
internal joints for leaks.
Open
7. Turn off heater (see To Turn Off Gas to
Appliance, page 15).
Manual
Shutoff
Valve
CAUTION: Make sure exter-
nal regulator has been installed
between propane/LP supply and
heater. See guidelines under Con-
necting to Gas Supply, page 11.
Closed
Propane/
LP Supply
Tank
Figure 15 - Manual Shutoff Valve
Control Valve
Location
Pressure Testing Gas Supply
Piping System
Test Pressures In Excess Of 1/2 PSIG
1. Disconnect heater and its individual
manual shutoff valve from gas supply
piping system. Pressures in excess of
1/2 psig will damage heater regulator.
Figure 16 - Checking Gas Joints
2. Cap off open end of gas pipe where
manual shutoff valve was connected.
3. Pressurize supply piping system by ei-
ther using compressed air or opening
propane/LP supply tank valve.
4. Check all joints of gas supply piping
system. Apply mixture of liquid soap
and water to gas joints. Bubbles form-
ing show a leak.
5. Correct all leaks at once.
6. Reconnect heater and manual shutoff
valve to gas supply. Check reconnected
fittings for leaks.
105224
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OWNER’S MANUAL
Bottom Log (#1)
INSTALLATION
Continued
Top Log
(#2)
INSTALLING LOGS
Peg
WARNING: Failure to posi-
tion the parts in accordance with
these diagrams or failure to use
only parts specifically approved
with this heater may result in prop-
erty damage or personal injury.
Burner
Port
CAUTION: After installation
andperiodicallythereafter,check
to ensure that no flame comes in
contact with any log. With the
heater set to High, check to see if
flames contact any log. If so, re-
position logs according to the
loginstallationinstructionsinthis
manual. Flames contacting logs
will create soot.
Grate
I
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N
F
O
L I P
T
O
I
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L
O
O
F
N
F
O
L I P
T
O
Burner
Figure 17 - Installing Bottom Log (#1)
Chassis
Figure 19 - Installing Top Log (#2)
Log Piece (#3)
Burner
Ports
Logs
Peg
Itisveryimportanttoinstallthelogsexactly
as instructed. Do not modify logs. Only use
logs supplied with heater.
1. Place bottom log (#1) on grate to fit as
illustrated in Figure 17. Make sure open
areas of log set line up with burner ports
(see Figure 18). Log will fit securely on
chassis. IMPORTANT: Make sure log
does not cover any burner ports.
I
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O
F
N
F
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L I P
T
O
Figure 18 - Installing Log set (Top View)
2. Facing front of unit, place top log (#2)
onto the pegs in the center of the bot-
tom log (see Figure 19).
Figure 20 - Installing Log Piece (#3)
3. Position log piece (#3) by aligning
holes on underside with remaining pegs
on bottom log (see Figure 20).
4. Place lava rock on fireplace floor
around base of heater.
105224
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FIREPLACE MANUFACTURERS INCORPORATED
UNVENTED PROPANE/LP GAS LOG HEATER
LIGHTING
INSTRUCTIONS
OPERATING
WARNING: Burners will come
on automatically within one
minute when the selector switch
is in the ON position after the
pilot is lit.
HEATER
FOR YOUR SAFETY
WARNING:
READ BEFORE
LIGHTING
• If fireplace has glass doors,
never operate this heater with
glass doors closed. If you op-
erate heater with doors closed,
heat buildup inside fireplace
will cause glass to burst. Also
if fireplace opening has vents
at the bottom, you must open
the vents before operating
heater.
4. Press in and turn control knob clock-
wise
to the OFF position.
WARNING: If you do not fol-
low these instructions exactly, a
fire or explosion may result caus-
ing property damage, personal
injury or loss of life.
5. Wait five (5) minutes to clear out any
gas. Then smell for gas, including
near the floor. If you smell gas,
STOP! Follow “B” in the safety in-
formation, column 1. If you don’t
smell gas, go to the next step.
A. This appliance has a pilot which must
be lighted by hand. When lighting the
pilot, follow these instructions exactly.
• You must operate this heater
with a fireplace screen in place.
Make sure fireplace screen is
closed before running heater.
6. Press in and turn control knob coun-
terclockwise
to the PILOT
position. Press in control knob for
five (5) seconds (see Figure 21).
B. BEFORE LIGHTING smell all
around the appliance area for gas. Be
sure to smell next to the floor because
some gas is heavier than air and will
settle on the floor.
Note: You may be running this
heater for the first time after hook-
ing up to gas supply. If so, the con-
trol knob may need to be pressed in
for 30 seconds or more. This will al-
low air to bleed from the gas system.
NOTICE: During initial operation
of new heater, burning logs will
give off a paper-burning smell.
Open damper or window to vent
smell. This will only last a few
hours.
WHAT TO DO IF YOU SMELL
GAS
• Do not try to light any appliance.
• Do not touch any electric 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 sup-
plier, call the fire department.
7. With control knob pressed in, press
and release ignitor button. This will
light pilot. The pilot is attached to the
front burner. If needed, keep press-
ing ignitor button until pilot lights.
Note: Home owners generally prefer to
operate their heater with the chimney
damper closed. This will put all the heat
into the room. However, there may be
times you will desire the full flames of the
High heat setting but will find the heat
output excessive. You can open the chim-
ney damper (if you have one) fully or
partially to release some of the heat.
Note: If pilot does not stay lit, con-
tact a qualified service person or gas
supplier for repairs. Until repairs are
made, light pilot with match. To light
pilot with match, see Manual Light-
ing Procedure on page 15.
C. Use only your hand to push in or turn
the gas control knob. Never use tools.
If the knob will not push in or turn
by hand, don’t try to repair it, call a
qualified service technician or gas
supplier. Force or attempted repair
may result in a fire or explosion.
WARNING: Damper handle
will be hot if heater has been
running.
D. Do not use this appliance if any part
has been under water. Immediately
call a qualified service technician to
inspect the appliance and to replace
any part of the control system and
any gas control which has been un-
der water.
1. STOP! Read the safety information,
column 1.
2. Make sure manual shutoff valve is
fully open.
3. Set switch in OFF position.
Flame Adjustment Knob
Control Knob
I
AUTO
OFF
ON
O
N O
I
T O
O
Ignitor Button
Selector Switch
Figure 21 - Control Knob and Ignitor Button Location (Shown as Supplied,
No Control Options)
105224
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OWNER’S MANUAL
For wall thermostat operation, follow
TO TURN OFF GAS TO
APPLIANCE
OPERATING
instructions supplied with thermostat
accessory FWMT1. For wall switch op-
eration follow instruction supplied with
FWMS2.
HEATER
Shutting Off Heater
1. Turn control knob clockwise
to the OFF position.
Continued
8. Keep control knob pressed in for 30
seconds after lighting pilot. After 30
seconds, release control knob.
• If control knob does not pop out
when released, contact a qualified
service person or gas supplier for
repairs.
NOTICE: You must light the pilot
before using the hand-held re-
mote control unit. See Lighting
Instructions on page 14.
2a. Set selector switch in the OFF position.
2b. If Using Optional Hand-Held Re-
mote: Set selector switch in the OFF
position to prevent draining battery.
1. After lighting, let pilot flame burn for
about one minute. Turn control knob
to ON position. Adjust flame adjust-
ment knob anywhere between HI and
LO. Slide the selector switch to the
REMOTE position. Note: The
burner may light if hand-held remote
ON button was on when selector
switch was last turned off. You can
now turn the burners on and off with
the hand-held remote control unit.
Shutting Off Burners Only (pilot
stays lit)
Note: If pilot goes out, repeat steps
4 through 8.
You may shut off the burners and keep
the pilot lit by doing one of the following:
9. Slightly push in and turn control
knob counterclockwise
ON position.
to the
1. Turn control knob clockwise
to the PILOT position.
10. Wait one minute and switch selector
switch to the ON position to light
burners. Note: AUTO is only func-
tional when using FWMT1 or
FWMS2 optional accessories.
2. Use remote control manual OFF button.
3. Set selector switch in the OFF position.
IMPORTANT: Do not leave the se-
lector switch in the REMOTE posi-
tion when the pilot is not lit. This will
drain the battery.
MANUAL LIGHTING
PROCEDURE
1. Follow steps 1 through 6 under Light-
ing Instructions, page 14.
11. Set flame adjustment knob to any
level between HI and LO.
IMPORTANT: Be sure to press the
ON/OFF buttons on the hand-held
remote control unit for up to 3 sec-
onds to assure proper operation.
CAUTION: Do not try to adjust
heating levels by using the
manual shutoff valve.
2. Depress control knob and light pilot
with match.
3. Keep control knob pressed in for 30
seconds after lighting pilot. After 30
seconds, release control knob. Now
follow steps 9 through 11, column 1.
FHRC Series Operation:
WARNING: Make sure the
selector switch is in the OFF po-
sition when you are away from
home for long periods of time.
Heater will come on automati-
cally with selector switch in the
ON position.
2a. Press the ON/OFF button to turn the
burners on and off. When turning
burners off, the pilot will remain lit.
OPTIONAL REMOTE
OPERATION
Note:Allremotecontrolaccessoriesmust
bepurchasedseparately(seeAccessories,
page 21). Follow instructions included
with the remote control.
FHRCT Series Operation:
2. Select the MAN (manual) or AUTO
button on the hand-held remote con-
trol unit (see Figure 24, page 16).
• In manual mode, turn burners on
or off by pressing the ON or OFF
buttons on the hand-held remote
control unit.
Pilot Burner
Ignitor
Electrode
Thermostat Control Operation
(Optional FHRCT Only) The thermostat
control setting on the remote control unit
can be set to any comfort level between
HI and LO. The burners will turn on and
off automatically to maintain the comfort
level you select. The ideal comfort setting
will vary by household depending upon
the amount of space to be heated, the
output of the central heating system, etc.
• In auto mode, the room tempera-
ture is controlled by the thermo-
stat in the hand-held remote con-
trol unit. To increase the room tem-
perature, press the top arrow of the
TEMP button. To lower room the
temperature, press the bottom ar-
row of the TEMP button. At higher
settings the heater will run more.
Figure 22 - Pilot
Continued
105224
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FIREPLACE MANUFACTURERS INCORPORATED
UNVENTED PROPANE/LP GAS LOG HEATER
3. Use the STATUS button on the hand-
OPERATING
INSPECTING
BURNERS
held remote control unit to see the
operation mode being used and the
temperature setting selected. A red
light will come on beside the opera-
tion mode being used when the sta-
tus button is pressed.
HEATER
Continued
Check pilot flame pattern and burner flame
patterns often.
IMPORTANT: This remote control
has been specially engineered to take
an air temperature sample every 5.5
minutes in the auto mode. It will not
respond immediately to the tempera-
ture setting being turned up or down.
PILOT FLAME PATTERN
4. To turn the burners off when operat-
ing in the manual mode, press the OFF
button. If operating in the auto mode,
press the MAN button, then press the
OFF button. The pilot will remain lit.
IMPORTANT: To turn the pilot off,
manually turn the control knob on the
heater to the OFF position.
Figure 25 shows a correct pilot flame pat-
tern. Figure 26 shows an incorrect pilot
flame pattern. The incorrect pilot flame is
not properly heating the thermocouple.
When the thermocouple cools, the heater
will shut down.
IMPORTANT: The hand-held re-
mote control unit must be near the
heater. Do not keep the hand-held
remote control unit too close to the
heater. The thermostat on the hand-
held remote control unit will heat up
too quickly and turn the heater off.
If pilot flame pattern is incorrect, as shown
in Figure 26
• turn heater off (see To Turn Off Gas to
Appliance, page 15)
Control Knob in
On Position
•
see Troubleshooting, pages 17 through 19
Pilot Burner
Flame Adjustment Knob
Thermocouple
P
F
ON
OFF
REMOTE
O
Selector Switch in Remote Position
(Optional Remote Control)
Figure 25 - Correct Pilot Flame Pattern
Pilot Burner
Figure 23 - Setting the Selector Switch, Control Knob, and Flame Adjustment Knob for
Remote Operation
Thermocouple
Shows Temperature Setting
HI
Increases Room
Temperature
Figure 26 - Incorrect Pilot Flame Pattern
TEMP
Decreases Room
Allows burners to be turned
Temperature
BURNER PRIMARY AIR HOLES
on and off with the hand-
Air is drawn into the burner through the
holes in the fitting at the burner entrance.
These holes may become blocked with dust
or lint. Periodically inspect these holes for
any blockage and clean if needed. Blocked
air holes will create soot.
held remote unit.
LO
MAN
ON
Turns Burners
On and Off
AUTO
OFF
The log heater will
automatically cycle between
pilot and the heat setting that
has been selected.
Shows Current
Operation Mode
STATUS
MAIN BURNER
Figure 24 - Thermostat Hand-Held Remote Control Unit Selections (FHRCT only)
Periodically inspect all burner flame holes
with the heater running. All slotted burner
flame holes should be open with yellow
flame present. All round burner flame holes
should be open with a small blue flame
present. Some burner flame holes may be-
comeblockedbydebrisorrust,withnoflame
present. If so, turn off heater and let cool.
Either remove blockage or replace burner.
Blocked burner flame holes will create soot.
105224
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OWNER’S MANUAL
TROUBLESHOOTING
Note: For additional help, visit DESA
International’s Technical Service web
WARNING: Turn off heater
CAUTION: Never use a wire,
needle, or similar object to clean
ODS/pilot. This can damage ODS/
pilot unit.
and let cool before servicing.
Only a qualified service person
should service and repair
heater.
Note:Alltroubleshootingitemsarelistedin
order of operation.
OBSERVED PROBLEM
POSSIBLE CAUSE
REMEDY
When ignitor button is pressed, there is no
spark at ODS/pilot
1. Ignitor electrode not connected to igni- 1. Reconnect ignitor cable
tor cable
2. Ignitor cable pinched or wet
2. Free ignitor cable if pinched by any
metal or tubing. Keep ignitor cable dry
3. Tighten nut holding piezo ignitor to base
panel of log set. Nut is located behind
base panel.
3. Piezo ignitor nut is loose
4. Broken ignitor cable
4. Replace ignitor cable
5. Bad piezo ignitor
5. Replace piezo ignitor
6. Ignitor electrode broken
6. Replace piezo ignitor
7. Ignitor electrode positioned wrong
7. Replace piezo ignitor
When ignitor button is pressed, there is
spark at ODS/pilot but no ignition
1. Gas supply turned off or manual shutoff 1. Turn on gas supply or open manual
valve closed
shutoff valve
2. Control knob not in PILOT position
3. Control knob not pressed in while in
PILOT position
2. Turn control knob to PILOT position
3. Press in control knob while in PILOT
position
4. Air in gas lines when installed
4. Continue holding down control knob.
Repeat igniting operation until air is re-
moved
5. Depleted gas supply
6. ODS/pilot is clogged
5. Contact local propane/LP gas company
6. Clean ODS/pilot (see Cleaning and
Maintenance, page 20) or replace ODS/
pilot assembly
7. Gas regulator setting is not correct
1. Control knob not fully pressed in
7. Replace gas control
ODS/pilot lights but flame goes out when
control knob is released
1. Press in control knob fully
2. Control knob not pressed in long enough 2. After ODS/pilot lights, keep control
knob pressed in 30 seconds
3. Manual shutoff valve not fully open
3. Fully open manual shutoff valve
4. Pilot flame not touching thermocouple, 4. A) Contact local propane/LP gas company
which allows thermocouple to cool,
causing pilot flame to go out. This prob-
lem could be caused by one or both of
the following:
B) Clean ODS/pilot (see Cleaning and
Maintenance, page 20) or replace ODS/
pilot assembly
A) Low gas pressure
B) Dirty or partially clogged ODS/pilot
5. Thermocouple connection loose at con- 5. Hand tighten until snug, then tighten
trol valve
1/4 turn more
6. Thermocouple damaged
6. Replace thermocouple
7. Control valve damaged
7. Replace control valve
Continued
105224
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FIREPLACE MANUFACTURERS INCORPORATED
UNVENTED PROPANE/LP GAS LOG HEATER
TROUBLESHOOTING
Continued
OBSERVED PROBLEM
POSSIBLE CAUSE
REMEDY
Burner does not light after ODS/pilot is lit
1. Burner orifice clogged
1. Clean burner (see Cleaning and Main-
tenance, page 20) or replace burner orifice
2. Contact local propane/LP gas company
3. Replace burner orifice
2. Inlet gas pressure is too low
3. Burner orifice diameter is too small
4. Thermopile leads disconnected or im- 4. Reconnect leads (see Wiring Diagram,
properly connected page 21)
5. Burners will not come on in remote po- 5. Replace battery in transmitter and
sition
receiver
Delayed ignition burner
1. Manifold pressure is too low
2. Burner orifice clogged
1. Contact local propane/LP gas company
2. Clean burner (see Cleaning and Main-
tenance, page 20) or replace burner orifice
Burner backfiring during combustion
1. Burner orifice is clogged or damaged
1. Clean burner (see Cleaning and
Maintenance, page 20) or replace burner
orifice
2. Damaged burner
3. Gas regulator defective
2. Replace damaged burner
3. Replace gas control
Slightsmokeorodorduringinitialoperation 1. Not enough air
1. Check burner for dirt and debris. If
found, clean burner (see Cleaning and
Maintenance, page 20)
2. Gas regulator defective
2. Replace gas control
3. Residues from manufacturing processes 3. Problem will stop after a few hours of
and logs curing
operation
Moisture/condensationnoticedonwindows 1. Not enough combustion/ventilation air
1. Refer to Air for Combustion and Venti-
lation requirements (page 4)
Heater produces a whistling noise when 1. Turning control knob to HI position 1. Turn control knob to LO position and
burner is lit
when burner is cold
let warm up for a minute
2. Air in gas line
2. Operate burner until air is removed from
line. Have gas line checked by local pro-
pane/LP gas company
3. Air passageways on heater blocked
3. Observe minimum installation clear-
ances (see pages 7 through 9)
4. Dirty or partially clogged burner orifice 4. Clean burner (see Cleaning and Mainte-
nance, page 20) or replace burner orifice
Whitepowderresidueformingwithinburner 1. When heated, vapors from furniture pol- 1. Turn heater off when using furniture
box or on adjacent walls or furniture
ish, wax, carpet cleaners, etc. turn into
white powder residue
polish, wax, carpet cleaners, or similar
products
Remote does not function (FHRC and 1. Battery is not installed. Battery power 1. Replace 9-volt batteries in receiver and
FHRCT only) is low remote control
105224
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OWNER’S MANUAL
TROUBLESHOOTING
Continued
WARNING: If you smell gas
• Shut off gas supply.
• 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 fire department.
IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning
supplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles,
etc., createfumes. Thesefumesmaymixwithcombustionairandcreateodors. Theseodors
will disappear over time.
OBSERVED PROBLEM
POSSIBLE CAUSE
REMEDY
Heater produces a clicking/ticking noise 1. Metal expanding while heating or con-
1. This is common with most heaters. If
noise is excessive, contact qualified ser-
vice person
just after burner is lit or shut off
tracting while cooling
Heater produces unwanted odors
1. Heater burning vapors from paint, hair
spray, glues, cleaners, chemicals, new
carpet, etc. (See IMPORTANT state-
ment above)
1. Open window and ventilate room. Stop
using odor causing products while heater
is running
2. Gas leak. SeeWarning statement at
top of page
2. Locate and correct all leaks (see Check-
ing Gas Connections, page 12)
Heater shuts off in use (ODS operates)
1. Not enough fresh air is available
2. Low line pressure
3. ODS/pilot is partially clogged
1. Open window and/or door for ventilation
2. Contact local natural gas company
3. Clean ODS/pilot (see Cleaning and
Maintenance, page 20)
Gas odor even when control knob is in OFF 1. Gas leak. SeeWarning statement at
1. Locate and correct all leaks (see Check-
ing Gas Connections, page 12)
2. Replace control valve
position
top of page
2. Control valve defective
Gas odor during combustion
1. Foreign matter between control valve
and burner
2. Gas leak. SeeWarning statement at
top of page
1. Take apart gas tubing and remove for-
eign matter
2. Locate and correct all leaks (see Check-
ing Gas Connections, page 12)
105224
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FIREPLACE MANUFACTURERS INCORPORATED
UNVENTED PROPANE/LP GAS LOG HEATER
5. Blow air into the primary air holes on
MAIN BURNER
CLEANING AND
the injector holder.
Periodically inspect all burner flame holes
with the heater running. All slotted burner
flame holes should be open with yellow
flame present. All round burner flame holes
should be open with a small blue flame
present. Some burner flame holes may be-
comeblockedbydebrisorrust,withnoflame
present. If so, turn off heater and let cool.
Either remove blockage or replace burner.
Blocked burner flame holes will create soot.
MAINTENANCE
6. In case any large clumps of dust have
now been pushed into the burner repeat
steps 3 and 4.
WARNING: Turn off heater
and let cool before cleaning.
Clean the pilot assembly also. A yellow tip
on the pilot flame indicates dust and dirt in
the pilot assembly. There is a small pilot air
inlet hole about two inches from where the
pilot flame comes out of the pilot assembly
(see Figure 28). With the unit off, lightly
blow air through the air inlet hole. You may
blowthroughadrinkingstrawifcompressed
air is not available.
CAUTION: You must keep
control areas, burner, and circu-
lating air passageways of heater
clean. Inspect these areas of
heater before each use. Have
heater inspected yearly by a quali-
fied service person. Heater may
need more frequent cleaning due
to excessive lint from carpeting,
pet hair, bedding material, etc.
SPECIFICATIONS
27" Remote Ready
Injector Holder
Burner
Btu (Variable)
Type Gas
Ignition
Pressure Manifold
Inlet Gas Pressure
(in. of water)
Maximum
20,000/39,000
Propane/LP Only
Piezo
(May Be Brass
Tube
or Aluminum
Depending on
Model)
8.0" W.C.
CLEANING BURNER
INJECTOR HOLDER AND
PILOT AIR INLET HOLE
14"
11"
32 lbs.
Minimum*
Shipping Weight
Primary Air Inlet
Holes (Shape of
Holes May Vary
by Model)
The primary air inlet holes allow the proper
amount of air to mix with the gas. This
provides a clean burning flame. Keep these
holesclearofdust, dirt, andlint. Cleanthese
air inlet holes prior to each heating season.
Blocked air holes will create soot. We rec-
ommend that you clean the unit every 2,500
hours of operation or every three months.
* For input adjustment
SERVICE HINTS
When Gas Pressure Is Too Low
Figure 27 - Injector Holder On Outlet
Burner Tube
Ports/Slots
• pilot will not stay lit
Burner
Tube
• burners will have delayed ignition
• heater will not produce specified heat
• propane/LP gas supply may be low
Wealsorecommendthatyoukeeptheburner
tubeandpilotassemblycleanandfreeofdust
and dirt. To clean these parts we recommend
using compressed air no greater than 30 PSI.
Yourlocalcomputerstore,hardwarestore,or
home center may carry compressed air in a
can. You can use a vacuum cleaner in the
blow position. If using compressed air in a
can, please follow the directions on the can.
If you don't follow directions on the can, you
could damage the pilot assembly.
Pilot
Assembly
When Gas Quality Is Bad
• pilot will not stay lit
Pilot Air
Inlet
Hole
• burners will produce flames and soot
• heater will backfire when lit
Youmayfeelyourgaspressureistoolowor
gas quality is bad. If so, contact your local
propane/LP gas supplier.
1. Shut off the unit, including the pilot.
Allow the unit to cool for at least thirty
minutes.
TECHNICAL
SERVICE
2. Inspect burner, pilot, and primary air
inlet holes on injector holder for dust
and dirt (see Figure 27).
You may have further questions about in-
stallation, operation, or troubleshooting.
Figure 28 - Pilot Inlet Air Hole
3. Blow air through the ports/slots and
holes in the burner.
LOGS
If so, contact Fireplace Manufacturers
Incorporated’s Technical Service Depart-
ment at 1-888-427-8322.
• If you remove logs for cleaning, refer to
Installing Logs, page 13, to properly re-
place logs.
4. Check the injector holder located at the
end of the burner tube again. Remove
any large particles of dust, dirt, lint, or
pet hairs with a soft cloth or vacuum
cleaner nozzle.
You can also visit DESA International’s
• Replace log(s) if broken or chipped Technical Service web site at
(dime-sized or larger).
105224
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OWNER’S MANUAL
ACCESSORIES
REPLACEMENT
PARTS
Purchasetheseheateraccessoriesfromyour
local dealer. If they can not supply these
accessories, call Fireplace Manufacturers
Incorporated’s Parts Department at 1-800-
888-2050 for referral information. You can
also write to the address listed on the back
page of this manual.
Note: Use only original replacement parts.
Thiswillprotectyourwarrantycoveragefor
parts replaced under warranty.
RECEIVER AND HAND-HELD
REMOTE CONTROL KIT
FHRC, PART # 01995
PARTS UNDER WARRANTY
Contact authorized dealers of this product. If
theycan’tsupplyoriginalreplacementpart(s),
call Fireplace Manufacturers Incorporated’s
TechnicalServiceDepartmentat1-888-427-
8832.WhencallingFireplaceManufacturers
Incorporated, have ready
For all models. Allows the gas log heater to
be turned on and off by using a hand-held
remote control.
WALL-MOUNT THERMOSTAT
SWITCH - FWMT1, PART #
01996
• your name and address
FIREPLACE HOOD
• model and serial numbers of your heater
• how heater was malfunctioning
• type of gas used (propane/LP or natural gas)
• purchase date
Black - HDABK (Part # 01244)
Brass - HDABR (Part # 01245)
Antique Brass - GA6053
(Not Shown)
For all models. The desired comfort setting
can be selected on the wall thermostat and
the log heater will automatically cycle from
pilot to the heat setting selected.
For all models. Helps deflect heat away
from mantel or wall above fireplace. Fits
openings 28" to 49" wide.
Usually, we will ask you to return the defec-
tive part to the factory.
WALL-MOUNT ON/OFF
SWITCH - FWMS2
PART # 01997
PARTS NOT UNDER
WARRANTY
LAVA ROCK - 02016
(Not Shown)
Contact authorized dealers of this product.
If they can’t supply original replacement
part(s), call Fireplace Manufacturers
Incorporated’s Parts Department at 1-800-
888-2050 for referral information. When
calling Fireplace Manufacturers Incorpo-
rated, have ready
For all models. Order when additional rock
is desired. (3 lb. bag)
(Not Shown)
For all models. Allows the gas log heater to
be turned on and off with a wall switch.
DAMPER CLAMP - 02017
(not shown)
Permanently opens chimney flue damper
for vented operation. Can be used only with
non-thermostat accessories.
• model number of your heater
• the replacement part number
HI
TEMP
MAN
LO
AU
T
WIRING DIAGRAM
O
ON
OFF
ST
A
TUS
Note: For proper operation of optional accessories, the wires from
the switch to the control must be connected exactly as shown.
RECEIVER AND HAND-HELD
THERMOSTAT REMOTE
CONTROL KIT - FHRCT
PART # 01994
AUT
O
OFF
ON
For all models. Allows the gas log heater to
be operated in a manually or thermostati-
cally controlled mode. You can turn the gas
log heater on and off without ever leaving
the comfort of your easy chair.
Thermopile
105224
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FIREPLACE MANUFACTURERS INCORPORATED
UNVENTED PROPANE/LP GAS LOG HEATER
ILLUSTRATED
PARTS
BREAKDOWN
1
FVFM27PR
2
9
3
6
4
7
8
12
5
11
9
12
12
20
10
13
I
H
L
O
O
F
F
N
O
T
I P
O
L
16
14
15
21
19
12
I
H
L
O
12
O
F
N
F
O
I P
T
O
L
17
18
105224
22
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OWNER’S MANUAL
This list contains replaceable parts used in your heater. When ordering parts, follow the
instructions listed under Replacement Parts on page 21 of this manual.
PARTS LIST
FVFM27PR
KEY
NO.
Part Number
DESCRIPTION
QTY.
1
2
3
4
5
6
7
8
104676-01
103778-01
098249-01
104592-02
098264-02
102843-01
099056-17
104591-01
099387-13
103781-02
104611-01
098304-01
104590-01CK
098271-06
102445-01
103587-02
103784-02
103784-01
M12461-26
103284-02
099998-01
Log, Multi-Sided
ODS Pilot (LP)
ODS Nut
Burner Outlet Tube
Male Connector
Burner Clip
Burner Orifice Injector
Burner
Pilot Tube
Gas Control Valve
Lower Bracket
Screw, #8 x .38
Painted Base Assy
Ignitor Cable
1
1
2
1
1
1
1
1
1
1
1
7
1
1
1
1
1
1
4
1
1
9
10
11
12
13
14
15
16
17
18
19
20
21
Piezo Ignitor
Plate, Switch
Flame Adjustment Knob
Off-Pilot-On Knob
Screw, Hex Slt Wsr 10-32 x .38
Wiring Harness
Switch
PARTS AVAILABLE — NOT SHOWN
100563-01
Warning Plate
1
1
1
1
1
2
103877-01
100565-01
100693-01
101137-02
02016
Lighting Instructions Plate
Warning Plate Fastener
Caution Decal
Hardware Kit
Lava Rock
105224
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WARRANTY INFORMATION
KEEP THIS WARRANTY
Model
Serial No.
Date Purchased
Always specify model and serial numbers when communicating with the factory.
We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard written warranty.
We make no other warranty, expressed or implied.
LIMITED WARRANTY
VENT-FREE NATURAL GAS LOG HEATERS
Fireplace Manufacturers Inc. warrants this product to be free from defects in materials and components for four (4) years from the date
of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable
instructions.Thereisnowarrantyonthebatteries.TomakeaclaimunderthiswarrantytheBillofSaleorcancelledcheckmustbepresented.
This warranty is extended only to the original retail purchaser. This warranty covers the cost of part(s) required to restore this heater
to proper operating condition and an allowance for labor when provided by a Fireplace Manufacturers Inc. Authorized Service Center.
Warranty part(s) MUST be obtained through authorized dealers of this product and/or Fireplace Manufacturers Inc. who will provide
original factory replacement parts. Failure to use original factory replacement parts voids this warranty. The heater MUST be installed
by a qualified installer in accordance with all local codes and instructions furnished with the unit.
This warranty does not apply to parts that are not in original condition because of normal wear and tear, or parts that fail or become
damaged as a result of misuse, accidents, lack of proper maintenance or defects caused by improper installation. Travel, diagnostic cost,
labor, transportation and any and all such other costs related to repairing a defective heater will be the responsibility of the owner.
TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT;
THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURA-
TION OF ANY AND ALL IMPLIED WARRANTIES, INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE TO FOUR (4) YEARS ON ALL COMPONENTS FROM THE DATE OF FIRST PURCHASE;
AND FIREPLACE MANUFACTURERS INCORPORATED'S LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE
OF THE PRODUCT AND FIREPLACE MANUFACTURERS INC. SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES
WHATSOEVER INCLUDING INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES.
Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of incidental or consequential
damages, so the above limitation on implied warranties, or exclusion or limitation on damages may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights that vary from state to state.
For information about this warranty write:
2701 South Harbor Boulevard
Santa Ana, CA 92704
105224-01
Rev. B
105224 01
NOT A UPC
04/99
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