Desa Tech LMFP33NR, LMFP33NRA, LMFP33PR, LMFP33PRA Owner's Manual

Page 1
UNVENTED (VENT-FREE) GAS FIREPLACE
OWNER’S OPERATION AND INSTALLATION MANUAL
Patent Pending
LMFP33NR(A) AND LMFP33PR(A) REMOTE CONTROL
GAS FIREPLACE SySTEMS
Shown with optional
cabinet mantel and hearth
base accessories.
WARNING: If the information in this manual is not fol-
lowed 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.
phone in your building.
• Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.
— 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.
For more information, visit www.desatech.com
Page 2
CONTENTS
Safety Information ............................................... 2
Product identication ........................................... 4
Local Codes......................................................... 5
Unpacking............................................................ 5
Product Features ................................................. 5
Air for Combustion and Ventilation ...................... 5
Installation ........................................................... 8
Operating Heater ............................................... 20
Inspecting Burners............................................. 23
Cleaning and Maintenance ................................ 24

SAFETy INFORMATION

Troubleshooting ................................................. 25
Specications .................................................... 29
Wiring Diagram .................................................. 29
Technical Service............................................... 29
Service Hints ..................................................... 29
Replacement Parts ............................................ 29
Illustrated Parts Breakdown and Parts List........ 30
Accessories ....................................................... 34
Warranty Information ...........................Back Cover
WARNING: Improper in­stallation, adjustment, al-
teration, service or main­tenance can cause in-
jury or property damage.
Refer to this manual for correct installation and
operational procedures.
For assistance or addi­tional information con-
sult a qualied installer, service agency or the gas supplier.
WARNING: This is an
unvented gas-red 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 5
of this manual.
This appliance may be in-
stalled in an aftermarket,*
perm a nently loca t ed, manufactured (mobile) home, where not prohib­ited by local codes.
This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
State of Massachusetts: The installation must be made by a licensed plumber or gas tter in the Commonwealth of Mas­sachusetts.
Sel lers of unvented propane or natu ral 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.
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Page 3
SAFETy INFORMATION
Continued
WARNING: This product con-
tains 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 heater can cause seri-
ous injury or death from burns, re, explosion, electrical shock and carbon monoxide poisoning.
DANGER: Carbon monoxide
poisoning may lead to death!
Carbon Monoxide Poisoning: Early signs of carbon
monoxide poisoning resemble the u, with head­aches, dizziness or nausea. If you have these signs, the heater may not be working properly. Get fresh air at once! Have heater serviced. Some people are more affected by carbon monoxide than others. These include pregnant women, people with heart or lung disease or anemia, those under the inuence of alcohol and those at high altitudes.
Natural and Propane/LP Gas: Natural and pro-
pane/LP gases are odorless. An odor-making agent
is added to the gas. The odor helps you detect a gas
leak. However, the odor added to the gas can fade. Gas may be present even though no odor exists.
Make certain you read and understand all warn­ings. Keep this manual for reference. It is your guide to safe and proper operation of this heater.
WARNING: Any change to
this heater or its controls can
be dangerous.
WARNING: Do not allow fans
to blow directly into the replace. 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 heater.
Due to high temperatures, the appliance should be located out of trafc and away from furniture and draperies.
Do not place clothing or other ammable material on or near the appliance. Never place any objects on the heater.
Fireplace and screen become very hot when running replace. Keep children and adults away from hot surfaces to avoid burns or clothing ignition. Fireplace
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 replace. When using the optional hand-held remote ac­cessory, keep selector switch in the OFF position to prevent children from turning on burners with remote.
You must operate this replace with the replace screen and hood in place. Make sure re­place screen and hood are in place before running heater.
Keep the appliance area clear and free from combustible ma­terials, gasoline and other am­mable vapors and liquids.
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Page 4
SAFETy INFORMATION
O
F
F
P
I
L
O
T
O
N
Continued
1. This appliance is only for use with the type of
gas indicated on the rating plate. This appliance
is not convertible for use with other gases.
2. Do not place propane/LP supply tank(s) inside
any structure. Locate propane/LP supply
tank(s) outdoors (propane/LP units only).
3. 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 re department
4. This replace shall not be installed in a bed-
room or bathroom.
5. Do not use this replace as a wood-burning replace. Use only the logs provided with the replace.
6. Do not add extra logs or ornaments such as pine cones, vermiculite or rock wool. Using these added items can cause sooting. Do not add lava rock around base. Rock and debris could fall into the control area of replace.
7.
To prevent the creation of soot, follow the instruc­tions in Cleaning and Maintenance, page 24.
8. Before using furniture polish, wax, carpet cleaner or similar products, turn heater off. If heated, the vapors from these products may create a white powder residue within burner box or on adjacent walls or furniture.
9. This replace needs fresh air ventilation to run properly. This replace has an Oxygen Deple­tion Sensing (ODS) safety shutoff system. The ODS shuts down the replace if enough fresh air is not available. See Air for Combustion and Ventilation, page 5. If replace keeps shutting off, see Troubleshooting, page 25.
10. Do not run replace
• where ammable liquids or vapors are used
or stored
• under dusty conditions
11. Do not use this replace to cook food or burn
paper or other objects.
12. Do not use replace if any part has been exposed to or under water. Immediately call a qualied service technician to inspect the replace and to replace any part of the control system and any gas control which has been under water.
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13. Do not operate replace if any log is broken. Do not operate replace if a log is chipped (dime-sized or larger).
14. Turn replace off and let cool before servic­ing. Only a qualied service person should service and repair replace.
15. Operating replace above elevations of 4,500 feet could cause pilot outage.
16. To prevent performance problems in propane/LP units, do not use propane/LP fuel tanks of less than 100 lbs. capacity (propane/LP units only).
17. Prov ide adequa te cleara nce s arou nd air
openings.
PRODUCT
IDENTIFICATION
4-Piece Log Set (A Models shown)
Control Knob
Piezo Ignitor
Remote Control
Figure 1 - Log Base Assembly
Top Louver
Top Outer Casing
Assembly
Firebox Hood
Firebox Support
Screen Assembly
Bottom Louver Assembly
Figure 2 - Fireplace (LMFP33PR Shown)
Remote Receiver
Blower Assembly (Optional)
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Page 5

LOCAL CODES

Install and use replace 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*.
*Available from:
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
National Fire Protection Association, Inc.
Batterymarch Park Quincy, MA 02269
Note: Where listed vented decorative logs are required, thermostat operation is not permitted.

UNPACkING

CAUTION: Do not remove the
data plates attached to the heater base assembly. The data plates contain important warranty and safety information.
1. With utility knife, cut the carton all the way around above the staples on the bottom tray. Lift the carton off the heater. Remove packing. Note: The hood is located in the packing on the right hand side of the heater front. Lift the heater off the bottom tray.
2. Locate two screws above top corners of the replace screen. Remove and discard these screws. Lift replace screen up and pull out to remove.
3. Remove protective packaging applied to logs, log base assembly and replace.
4. Remove replace hood from carton insert.
5. Check all items for any shipping damage. If damaged, promptly inform dealer where you bought replace.

PRODUCT FEATURES

OPERATION
This vent-free replace is clean burning. It requires no outside venting. There is no heat loss out a vent or up a chimney. Heat is generated by both realistic ames. When used without the blower, the replace requires no electricity making it ideal for emergency backup heat. This heater is designed for vent-free operation. It has been tested and ap­proved to ANSI Z21.11.2 standard for unvented
heaters. State and local codes in some areas pro-
hibit the use of vent-free heaters.
SAFETY DEVICE
This replace has a pilot with an Oxygen Depletion Sensing (ODS) safety shutoff system. The ODS/ pilot is a required feature for vent-free room heat­ers. The ODS/pilot system shuts off the replace if there is not enough fresh air.
PIEZO IGNITION SYSTEM
This replace has a piezo ignitor. This system requires no matches, batteries or other sources to light replace.
OPTIONAL BLOWER ASSEMBLY
(GA3750 SERIES & GA3650TB SERIES)
This replace accepts an optional blower assembly (not included). The GA3650TB Series blower operates thermostatically and features a variable speed control. The GA3750 Series blower operates manually and also features a variable speed control. The blower circulates heated air from the replace
into the room. See Accessories, page 34
.
AIR FOR COMbUSTION
AND VENTILATION
WARNING: This heater shall
not be installed in a conned space or unusually tight construc­tion unless provisions are provid­ed for adequate combustion and ventilation air. 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 efcient 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 ef­cient, 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, replaces, 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.
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Page 6
AIR FOR COMbUSTION
AND VENTILATION
Continued
PROVIDING ADEQUATE VENTILATION
The following are excerpts from National Fuel Gas Code, ANSI Z223.1/NFPA 54, Section 5.3, Air for Combustion and Ventilation.
All spaces in homes fall into one of the three fol­lowing ventilation classications:
1. Unusually Tight Construction
2. Unconned Space
3. Conned Space
The information on pages 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 dened 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 7.
If your home does not meet all of the three
criteria above, proceed to Determining Fresh-Air Flow For Heater Location.
-11
kg per pa-sec-m2) or less
Conned and Unconned Space
The National Fuel Gas Code, ANSI Z223.1/NFPA 54 denes a conned space as a space whose vol-
ume 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 unconned 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 unconned space.
* Adjoining rooms are communicating only if there are doorless passageways or ventilation grills between them.
DETERMINING FRESH-AIR FLOW FOR FIREPLACE LOCATION
Determining if You Have a Conned or Unconned Space
Use this work sheet to determine if you have a conned or unconned space.
Space: Includes the room in which you will install
replace plus any adjoining rooms with doorless pas­sageways or ventilation grills between 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) = 2,560 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. Multiply the space volume by 20 to determine
the maximum Btu/Hr the space can support.
__________ (volume of space) x 20 = (Maxi-
mum Btu/Hr the space can support) Example: 2,560 cu. ft. (volume of space) x 20 =
51,200 (maximum Btu/Hr the space can support)
3. Add the Btu/Hr of all fuel burning appliances in
the space.
Vent-free replace __________ Btu/Hr
Gas water heater* __________ Btu/Hr Gas furnace __________ Btu/Hr
Vented gas heater __________ Btu/Hr
Gas replace logs __________ Btu/Hr Other gas appliances* + ________ Btu/Hr
Total = ________ Btu/Hr
* Do not include direct-vent gas appliances. Di-
rect-vent draws combustion air from the outdoors and vents to the outdoors.
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Page 7
AIR FOR COMbUSTION
Outlet Air
Ventilated Attic
Outlet
A
ir
Inlet Air
Inlet Air
Ventilated
Crawl Space
To
Crawl
Space
To Attic
Or
Remove Door into Adjoining
Room, Option
3
Ventilation Grills
Into Adjoining Room,
Option 2
Ventilation
Grills
Into Adjoining
Room,
Option 1
12"
12"
AND VENTILATION
Continued
Example:
Gas water heater __________ Btu/Hr
Vent-free replace + ________ Btu/Hr
Total = ________ Btu/Hr
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)
73,000 Btu/Hr (actual amount of
Btu/Hr used)
The space in the example is a conned space because
the actual Btu/Hr used is more than the maximum
Btu/Hr the space can support. You must provide ad­ditional fresh air. Your options are as follows:
A. Rework worksheet, adding the space of an adjoin-
ing room. If the extra space provides an unconned space, remove door to adjoining room or add ventilation grills between rooms. See Ventilation
Air From Inside Building.
B. Vent room directly to the outdoors. See Ventila-
tion Air From Outdoors.
C. Install a lower Btu/Hr replace, if lower Btu/Hr
size makes room unconned.
If the actual Btu/Hr used is less than the maximum Btu/Hr the space can support, the space is an un- conned space. You will need no additional fresh air ventilation.
WARNING: If the area in
which the heater may be oper­ated is smaller than that dened as an unconned 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, ANSI Z223.1/NFPA 54 Section 5.3
or applicable local codes.
40,000 33,000 73,000
VENTILATION AIR
Ventilation Air From Inside Building
This fresh air would come from an adjoining un­conned space. When ventilating to an adjoining unconned space, you must provide two perma­nent openings: one within 12" of the ceiling and one within 12" of the oor on the wall connecting the two spaces (see options 1 and 2, Figure 3). You can also remove door into adjoining room (see option 3, Figure 3). Follow the National Fuel Gas
Code, ANSI Z223.1/NFPA 54, Section 5.3, Air for Combustion and Ventilation for required size of
ventilation grills or ducts.
Figure 3 - Ventilation Air from Inside
Building
Ventilation Air From Outdoors
Provide extra fresh air by using ventilation grills or ducts. You must provide two permanent openings: one within 12" of the ceiling and one within 12" of the oor. Connect these items directly to the
outdoors or spaces open to the outdoors. These
spaces include attics and crawl spaces. Follow the
National Fuel Gas Code, ANSI Z223.1/NFPA 54, Section 5.3, Air for Combustion and Ventilation for
required size of ventilation grills or ducts. IMPORTANT: Do not provide openings for inlet
or outlet air into attic if attic has a thermostat­controlled power vent. Heated air entering the attic will activate the power vent.
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Figure 4 - Ventilation Air from Outdoors
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Page 8

INSTALLATION

NOTICE: This heater is intended
for use as supplemental heat. Use this heater along with your primary heating system. Do not install this heater as your pri­mary heat source. If you have a central heating system, you may run system’s circulating blower while using heater. This will help circulate the heat throughout the house. In the event of a power outage, you can use this heater as your primary heat source.
WARNING: A qualied ser­vice person must install re­place. Follow all local codes.
WARNING: Never install the
replace
• in a bedroom or bathroom
• in a recreational vehicle
• where curtains, furniture,
clothing or other ammable objects are less than 42 inches from the front, top or sides of
the heater
• in high trafc areas
• in windy or drafty areas
CAUTION: This replace cre­ates warm air currents. These
currents move heat to wall sur-
faces next to replace. Installing replace next to vinyl or cloth wall coverings or operating heater where impurities (such as, but not limited to, tobacco
smoke, aromatic candles, clean-
ing uids, oil or kerosene lamps, etc.) in the air exist, may discolor walls or cause odors.
Note: Your replace is designed to be used in zero clearance installations. Wall or framing material can be placed directly against any exterior surface on the rear, sides or top of your replace, except where standoff spacers are integrally attached. If standoff spacers are attached to your replace, these spacers can be placed directly against wall or framing materials.
Use the dimensions shown for rough openings to
create the easiest installation. See Built-In Fire­place Installation, page 11.
IMPORTANT: Vent-free heaters add moisture to the air. Although this is benecial, installing replace in rooms without enough ventilation air may cause mildew to form from too much
moisture. See Air for Combustion and Ventilation,
page 5. IMPORTANT: Make sure the replace is level. If replace is not level, log set will not work properly.
CHECK GAS TYPE
Use the correct gas type (natural or propane/LP) for your replace. If your gas supply is not cor­rect, do not install replace. Call dealer where you bought replace for proper type replace.
WARNING: This appliance is equipped for (natural or pro­pane/LP) gas. Field conversion is not permitted.
ELECTRICAL HOOKUP
(Models GA3750 Series and GA3650TB Series Blower Accessories and GA3555 Internal Duplex Kit)
This replace accepts a blower assembly with an electrical cord. The electrical cord is ve feet in length. You must locate replace within reach of a 120 volt grounded electrical outlet. If not, you must install an electrical outlet within reach of replace power cord. The GA3555 outlet acces­sory is used for built-in applications with blower
accessory installed.
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Page 9
INSTALLATION
Continued
INSTALLING HOOD
Install hood to top of rebox as shown in Figure
5. Use 3 Phillips screws provided
Figure 5 - Installing Hood to Firebox
ASSEMBLING AND ATTACHING OPTIONAL TRIM
(Included with Mantel Accessory)
IMPORTANT: If you are recessing the rebox in a wall, do not attach trim at this time. See page 11.
Note: The instructions below show assembling and attaching trim to replace.
1. Remove packaging from three pieces of trim.
2. Locate four brass screws, two adjusting plates with set screws and two shims in the hardware packet.
3. Align shim under adjusting plate as shown in
Figure 6.
4. Slide one end of adjusting plate/shim in slot on mitered edge of top trim (see Figure 6).
5. Slide other end of adjusting plate/shim in slot on mitered edge of side trim (see Figure 6).
6. While rmly holding edges of trim together, tighten both set screws on the adjusting plate with slotted screwdriver.
7. Repeat steps 1 through 6 for other side.
8. Tighten trim hanging screws (#10 x 6.25 shoulder) into holes in cabinets. Place the assembled trim onto replace cabinet. Align hanging notches on trim with hanging screws on side of replace (see Figure 7). Push trim rmly into place, sliding hanging notches over hanging screws.
Side Trim
Adjusting Plate
Set Screws
Top Trim
Trim Hanging Screws
Hanging Notches on Trim
Assembled Trim
Figure 7 - Attaching Trim to Fireplace
INSTALLATION CLEARANCES
WARNING: Maintain the
minimum clearances. If you can, provide greater clearances from oor, ceiling and adjoining wall.
Carefully follow the instructions below. This will ensure safe installation.
Minimum Clearances For Side
Combustible Material, Side Wall and Ceiling
A. Clearances from the side of the fireplace
cabinet to any combustible material and wall should follow diagram in Figure 8.
Example: The face of a mantel, bookshelf,
etc. is made of combustible material and protrudes 3 1/2" from the wall. This combus­tible material must be 4" from the side of the replace opening (see Figure 8).
B.
Clearances from the top of the replace opening to the ceiling should not be less than 42 inches.
MINIMUM CLEARANCE TO
COMBUSTIBLE MATERIALS
Top Left and Bottom Right Sides and Rear
42" 16" 0"
Example
*
Mitered Edge
Slot
Figure 6 - Assembling Trim
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Shim
Slot
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*Minimum 16 inches from Side Wall
Figure 8 - Minimum Clearance for
Combustible to Wall
Page 10
INSTALLATION
Continued
CONVENTIONAL FIREPLACE INSTALLATION
Conventional installation of this replace involves installing replace along with the corner, face or cabinet mantel with hearth base accessories against a wall in your home. Follow the instructions below to install the replace in this manner.
Note: The instructions in this section show instal- lation using the cabinet mantel and hearth base
accessories. The hearth base accessory shown is optional for this installation. You can install re­place and cabinet mantel directly on the oor.
1. Assemble cabinet mantel, hearth base and
trim accessories. Assembly instructions are
included with each accessory.
2. When installing blower, install a properly grounded, 120 volt three-prong electrical out­let at replace location if an outlet is not there. If possible, locate outlet so cabinet mantel will cover it when installed (see Figure 9).
3. Install gas piping to replace location. This installation includes an approved exible gas line (if allowed by local codes) after the equip­ment shutoff valve. The exible gas line must
be the last item installed on the gas piping. See Installing Gas Piping to Fireplace Location,
page 13.
4.
Place hearth base accessory against wall at instal­lation location. Cut an access hole in hearth top to run exible gas line to replace (see Figure
9). Make sure to locate access hole so cabinet mantel will cover it when installed. Note: You can secure base to oor using wood screws. Countersink screw heads and putty over.
5. Route exible gas line through access hole in
hearth base.
6.
Center cabinet mantel on hearth base (see Figure
10). Make sure mantel is ush against wall.
7. Break off nailing anges (see Figure 11) with
hammer or pliers.
8. Place cardboard or other protective material on top of hearth base. Carefully set replace on protective material, with back of replace
inside mantel opening.
9. Attach exible gas line from replace gas
regulator to gas supply. See Connecti ng Fireplace to Gas Supply, page 15.
10.
If blower is installed, route blower electrical cord
through access holes in either side of replace. Note: Bushing may be moved if necessary. Plug
electrical cord into electrical outlet.
11.
Carefully insert replace into cabinet mantel. Be careful not to scratch or damage hearth base,
cabinet mantel or any laminate trim on hearth
base. Remove protective material from top of hearth base and from front of replace (if any). Note: You can secure replace to hearth or oor. Open lower louver. Locate screw holes in bottom of base. Tighten wood screws through these holes and into hearth or oor.
12. Check all gas connections for leaks. See
Checking Gas Connections, page 16.
Cabinet Mantel
Figure 10 - Installing Cabinet Mantel
Hearth Base
Electrical Outlet
Rigid Gas Line
Figure 9 - Placing Hearth Base
Accessory Against Wall
Gas Line
Access
Hole
Figure 11 - Location of Nailing Flanges
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Nailing Flanges
111604-01N10
Page 11
INSTALLATION
35 1/8"
17 3/4"
33"
39
3
/
8
"
27
7
/
8
"
55
5
/
8
"
35
1
/
8
"
Continued
4. Connect wires from the electrical box to duplex outlet. Match wire colors to those
indicated on duplex outlet. Be sure to connect
ground wire.
5. Install shield to end of right support bracket and behind the rebox wrapper with 2 screws provided (see Figure 16, page 12).
6. Plug blower cord into duplex outlet.
7. Replace bottom of firebox and reconnect remote receiver module to valve.
Figure 12 - Inserting Fireplace Into
Cabinet Mantel
BUILT-IN FIREPLACE INSTALLATION
Built-in installation of this fireplace involves installing replace into a framed-in enclosure. This makes the front of replace ush with wall. If installing a mantel above the replace, you must
Figure 13 - Rough Opening for Installing
in Wall
follow the clearances shown in Figure 18, page 13. Follow the instructions below to install the replace
in this manner.
Actual Framing
Height 32 3/8" 33"
Front Width 34 5/16" 35 1/8"
Depth 16 11/16" 17 3/4"
Figure 14 - Rough Opening for Installing
in Corner
WARNING: A qualied electri-
cian must connect electrical wiring
Blower Power Cord
Blower
Cable from Electrical Source
to duplex outlet for built-in instal­lation. Follow all local codes.
1. Frame in rough opening. Use dimensions shown in Figure 13 for the rough opening. If installing in a corner, use dimensions shown in Figure 14 for the rough opening. The height is 33" which is the same as the wall opening above.
2. If using blower, install duplex outlet to the right support bracket in the bottom of rebox (see Figure 15). See Accessories, page 34. If not using blower, go to step 7.
3. Rou te wires from elect rical box through smallest hole in outer casing using strain relief tting provided (see Figure 15).
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Screw
Figure 15 - Connecting Duplex Outlet
Duplex Outlet
Support Bracket
Strain Relief Fitting
Page 12
INSTALLATION
Continued
8. Install gas piping to replace location. This installation includes an approved exible gas line (if allowed by local codes) after the equip­ment shutoff valve. The exible gas line must
be the last item installed on the gas piping. See Installing Gas Piping to Fireplace Location,
page 13.
9. Carefully set replace in front of rough opening with back of replace inside wall opening.
10. Attach exible gas line to gas supply. See Con- necting Fireplace to Gas Supply, page 15.
11. Plug electrical cord into electrical outlet
installed in step 2 if using blower.
12. Carefully insert replace into rough opening.
13. Attach replace to wall studs using nails or wood screws through holes in nailing ange (see Figure 17).
14. Check all gas connections for leaks. See Checking Gas Connections, page 16.
15. Install trim after nal nishing and/or painting of wall (see Figure 7, page 9).
Support Bracket
Firebox Wrapper
Power
Screw
Cord
Figure 16 - Installing Shield to Support
Bracket
Shield
Nails or Wood Screws
Nailing Flanges
Figure 17 - Attaching Fireplace to Wall
Studs
Mantel Clearances for Built-In Installation
If placing mantel above built-in replace, you must meet minimum clearance between mantel shelf and top of replace opening.
NOTICE: If your installation does not meet the minimum clear­ances shown, you must do one
of the following:
• raise the mantel to an accept­able height
• remove the mantel
NOTICE: Surface temperatures of adjacent walls and mantels become hot during operation. Walls and mantels above the rebox may become hot to the touch. If installed properly, these temperatures meet the requirement of the national product standard. Follow all
minimum clearances shown in
this manual.
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Page 13
Supplied Firebox Hood Must Be Used at All Times
Wire-mesh Screen
Firebox
Noncombustible Material May Project Off this Surface above the Firebox Hood
Mantel Shelf
13" 16" 19" 21"
2
1
/2
"
6"
8"
10"
Note: All vertical measurements are from top of fireplace hood opening to bottom of mantel shelf. These minimum clearances replace any other recommended clearances supplied with your ANSI Z21.11.2 approved gas logs.
Wall board or facing material (above firebox) may be of combustible material, including decorative mantel ornaments or other similar projec­tions off of the facing material.
Framing Material
INSTALLING GAS PIPING TO FIREPLACE LOCATION
requires a 1/2" NPT (National Pipe Thread) inlet connection to the pressure regulator.
WARNING: A qualied service person must connect replace to gas supply. Follow all local codes.
CAUTION: Never connect pro­pane/LP replace directly to the propane/LP supply. This replace requires an external regulator (not supplied). Install the external regulator between the replace and propane/LP supply.
111604-01N 13
INSTALLATION
Continued
Figure 18 - Minimum Mantel Clearances for Built-In Installation
WARNING: Never connect
natural gas replace to private
WARNING: This appliance
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(non-utility) gas wells. This gas is commonly known as wellhead gas.
Installation Items Needed
Before installing replace, make sure you have the items listed below.
• external regulator for propane/LP unit only (supplied by installer)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• test gauge connection *
• sediment trap (optional)
• tee joint
• pipe wrench
• approved exible gas line with gas connector (if allowed by local codes) (not provided)
* A CSA design-certied equipment shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Purchase the optional CSA design-certied equipment shutoff valve from your dealer. See Accessories, page 34.
Page 14
INSTALLATION
Continued
For propane/LP units, the installer must supply an external regulator. The external regulator will reduce incoming gas pressure. You must reduce incoming gas pressure to between 11 and 14 inches of water. If you do not reduce incoming gas pres­sure, heater regulator damage could occur. Install external regulator with the vent pointing down as shown in Figure 19. Pointing the vent down protects it from freezing rain or sleet.
External Regulator
Propane/LP Supply Tank
CAUTION: Use only new,
black iron or steel pipe. Inter­nally-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 replace. If pipe is too small, undue loss of volume will occur.
Installation must include an equipment 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 replace (see Figure 20).
IMPORTANT: Install equipment shutoff valve in an accessible location. The equipment shutoff valve is for turning on or shutting off the gas to
the appliance.
Check your building codes for any special re­quirements for locating equipment shutoff valve to replaces.
Apply pipe joint sealant lightly to male NPT threads.
This will prevent excess sealant from going into
pipe. Excess sealant in pipe could result in clogged
replace valves. Never use sealant on are threads.
WARNING: Use pipe joint sealant that is resistant to liquid petroleum (LP) gas.
We recommend that you install a sediment trap in
supply line as shown in Figure 20. Locate sediment trap where it is within reach for cleaning. Install in piping system between fuel supply and replace. Locate sediment trap where trapped matter is not likely to freeze. A sediment trap traps moisture and contaminants. This keeps them from going into re­place gas controls. If sediment trap is not installed or is installed wrong, replace may not run properly.
Vent Pointing Down
Figure 19 - External Regulator on
Propane/LP Supply Tank with Vent
CSA Design-Certied Equipment Shutoff
Valve With 1/8" NPT Tap*
3" Minimum
* Purchase the optional CSA design-certified equipment shutoff valve from your dealer. See Accessories, page 34.
** Minimum inlet pressure for purpose of input
adjustment.
Pointing Down
Natural Gas
From Gas Meter (5" W.C.** to
10.5" W.C. Pressure)
Propane/LP
From External Regulator (11" W.C.** to 14" W.C. Pressure)
Cap Pipe Tee Nipple Joint
Sediment Trap
Figure 20 - Gas Connection
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INSTALLATION
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CONNECTING FIREPLACE TO GAS SUPPLY
Installation Items Needed
• 5/16" hex socket wrench or nut-driver
• Phillips screwdriver
• sealant (resistant to propane/LP gas, not pro­vided)
1. Remove two screws that hold replace screen
in place for shipping. These screws are located near top of screen. Discard screws. Lift re­place screen up and pull out to remove.
2. Open lower louv er door. Carefully pull
straight out on the wire harnesses attached to right side and front of remote receiver module (see Figure 21).
3. Remove screws that attach log base assembly
to replace (see Figure 21). Carefully lift up log base assembly and remove from replace (see Figure 21).
Note: If adding the G8000A series brick liner accessory, install it now. Follow instructions in G8000A accessory kit.
CAUTION: Do not pick up log base assembly by burner. This could damage burner. Only handle base by grates.
4. Route gas line (provided by installer) from equipment shutoff valve to replace. Route exible gas supply line through one of the
access holes.
NOTICE: Most building codes do not permit concealed gas connections. A exible gas line is provided to allow accessibility from the replace (see Figure 22). The exible gas supply line con­nection to the equipment shutoff valve should be accessible.
5. Attach the exible gas line to gas supply (see Figure 22). Check tightness of exible gas line attached to gas regulator of replace (see Figure 22).
6. Check all gas connections for leaks. See Checking Gas Connections, page 16.
7. Replace log base assembly back into replace. Feed exible gas line into replace base area while replacing log base assembly. Make sure the entire exible gas line is in replace base area. Reattach log base assembly to replace with screws removed in step 2.
Flexible Gas
Log Base
Line
Assembly
Screw
Screw
Unplug From Remote Receiver Module
Remote Receiver Module
Figure 21 - Removing Log Base
Assembly From Fireplace
To Fireplace Gas Regulator
Equipment Shutoff
Valve Provided by Installer
Flexible Gas Line from Fireplace Gas Regulator
Propane/LP
To External Regulator
Natural Gas
To Gas Meter
Figure 22 - Attaching Flexible Gas Lines
Together
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Page 16
INSTALLATION
Continued
CHECKING GAS CONNECTIONS
WARNING: Test all gas pip-
ing and connections, internal
and external to unit, for leaks
after installing or servicing. Cor­rect all leaks at once.
WARNING: Never use an
open ame to check for a leak. Apply a noncorrosive leak detec­tion uid to all joints. Bubbles forming show a leak. Correct all leaks at once.
CAUTION: Make sure exter-
nal regulator has been installed between propane/LP supply and replace. See guidelines under
Connecting Fireplace to Gas Supply, page 15.
PRESSURE TESTING GAS SUPPLY PIPING SYSTEM
Test Pressures In Excess Of 1/2 PSIG (3.5 kPa)
1. Disconnect replace with its appliance main gas valve (control valve) and equipment shutoff valve from gas supply piping system. Pressures in excess of 1/2 psig will damage replace regulator.
2. Cap off open end of gas pipe where equipment shutoff valve was connected.
3. Pressurize supply piping system by either opening propane/LP supply tank valve for propane/LP gas or opening main gas valve located on or near gas meter for natural gas
or using compressed air.
4. Check all joints of gas supply piping system. Apply noncorrosive leak detection uid to all joints. Bubbles forming show a leak.
5. Correct all leaks at once.
6. Reconnect replace and equipment shutoff valve to gas supply. Check reconnected t­tings for leaks.
Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa)
1.
Close equipment shutoff valve (see Figure 23).
2. Pressurize supply piping system by either opening propane/LP supply tank valve for propane/LP gas or opening main gas valve located on or near gas meter for natural gas
or using compressed air.
3. Check all joints from gas meter to equipment shutoff valve for natural gas or propane/LP su pply to eq uipme nt sh utoff valve fo r propane/LP (see Figures 24 or 25). Apply noncorrosive leak detection uid to all joints. Bubbles forming show a leak.
4. Correct all leaks at once.
Equipment
Shutoff Valve
Figure 23 - Equipment Shutoff Valve
Gas Control Valve
Figure 24 - Checking Gas Joints for
Natural Gas
Equipment Shutoff Valve
Gas Control Valve
Figure 25 - Checking Gas Joints for
Propane/LP Gas
Open
Closed
Equipment
Shutoff Valve
Gas Meter
Propane/LP Supply Tank
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Page 17
INSTALLATION
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Continued
Pressure Testing Fireplace Gas
Connections
1. Open equipment shutoff valve (see Figure 23, page 16).
2. Open main gas valve located on or near gas meter for natural gas or open propane/LP supply tank valve.
3. Make sure control knob of replace is in the OFF position.
4. Check all joints from equipment shutoff valve to gas control valve (see Figures 24 or 25, page
16). Apply noncorrosive leak detection uid to all joints. Bubbles forming show a leak.
5. Correct all leaks at once.
6. Light replace (see Operating Fireplace, page
20.) Check all other internal joints for leaks.
7. Turn off replace (see To Turn Off Gas to Appliance, page 21).
INSTALLING LOGS
Each log is marked with a number. These numbers will help you identify the log when installing. It is very important to install these logs exactly as instructed. Do not modify logs. Only use logs supplied with heater.
Models LMFP33PR and LMFP33NR
1. Place pins in rear log (#1) into holes on rear of base grate as shown in Figure 26.
2. Place middle log (#2) between front and rear of burner. The left side will rest on the left tab and the right will straddle the burner as shown in Figure 26.
3. Place front log (#3) onto grate ngers at front of base grate (see Figure 27). Make sure log seats well into grate.
4. Place left top log on left pins on logs #2 and #3, resting it on log #1( see Figure 28, page 18).
5. Place right top log on right pins on logs #2 and #3 (see Figure 28, page 18).
Middle Log (#2)
CAUTION: Do not remove the
data plates attached to the heater base assembly. The data plates contain important warranty and safety information.
WARNING: Failure to posi­tion the parts in accordance with these diagrams or failure to use only parts specically approved with this heater may result in property damage or personal injury.
WARNING: After installa-
tion and periodically thereafter, check to ensure that no ame comes in contact with any log. With the heater set to High, check to see if ame contact any log. If so, reposition logs according to the log installation instructions in this manual. Flames contact­ing logs will create soot.
Rear Log (#1)
Figure 26 - Installing Rear and Middle
Logs
Front Log (#3)
Figure 27 - Installing Front Log
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INSTALLATION
Left Top Log (#4)
Continued
Right Top Log (#5)
WARNING: You must operate this replace with the replace screen in place. Make sure re­place screen is in place before running replace.
Hole in
Grate
Base
Back Log (#2)
Peg
Figure 28 - Installing Top Logs
Models LMFP33PRA and LMFP33NRA
1. Place the base of the middle log (#1) in the U-shaped slots of the grate base. The cutout on the right of the middle log should t over the burner (see Figure 29). Make sure the front of the middle log is resting on the tabs of the grate base and the cutout area is centered over the burner “U” bend.
2. Locate pegs on the bottom of back log (#2).
Slide these pegs into the holes in the grate base
behind the burner (see Figure 30).
3.
Locate the notches in the bottom of the front log (#3). Place the front log on the grate n­gers. Make sure the notches of the front log line up with the grate ngers (see Figure 31).
4. Place crossover log (#4) onto the pin (right) on back log (#2) and into the recess of the middle log (#1) (see Figure 32).
Middle
Middle Log (#1)
Log (#1)
Tab
Burner
“U” Bend
Burner
Figure 30 - Installing Back Log (#2)
(Base may very from illustration)
Front Log (#3)
Notches
Grate Finger
Figure 31 - Installing Front Log (#3)
(Base may very from illustration)
Crossover Log (#4)
Peg
Figure 29 - Installing Middle Log (#1)
(Base may very from illustration)
U-Shaped Slot
Figure 32 - Installing Crossover Log (#4)
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Recess
(Base may very from illustration)
111604-01N18
Page 19
INSTALLATION
Continued
INSTALLING BATTERIES FOR REMOTE RECEIVER AND HAND HELD REMOTE CONTROL
Four AA batteries and three AAA batteries are
required to operate this heater with the wireless
hand-held remote control set. Four AA batteries
must be installed in the receiver and three AAA
batteries in the hand-held remote control unit.
Note: Only use alkaline batteries.
Installing Batteries in Receiver
1. Locate slot on battery cover of receiver (see Figure 33). Firmly insert tool such as a small screwdriver, butter knife or dime into the slot and lift up to remove cover.
2. Insert 4 AA batteries into receiver. Positive and negative are marked inside recei ver
casing. Note: Receiver will not function if batteries are not installed correctly.
3. Slide tab on cover into receiver housing and snap cover back into place.
Installing Battery into Remote
1. Remove remote cover (see Figure 34).
2. Insert 3 AAA batteries into remote control (see Figure 34). Positive and negative are marked inside remote control casing. Note: Remote will not function if batteries are not installed
correctly.
3. Slide remote cover back into place.
3 AAA Batteries
Cover
Remote Control
Figure 34 - Installing Batteries in Remote
Control
4 AA Batteries
Battery Housing
Backup Switch
Figure 33 - Installing Batteries in
Receiver
Slot
Cover
Receiver
111604-01N 19
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Page 20

OPERATING HEATER

FOR YOUR SAFETY
READ BEFORE LIGHTING
WARNING: If you do not fol-
low these instructions exactly,
a re or explosion may result causing property damage, per­sonal injury or loss of life.
A. This appliance has a pilot which must be
lighted by hand. When lighting the pilot,
follow these instructions exactly.
B. BEFORE LIGHTING smell all around the
appliance area for gas. Be sure to smell next to the oor because some gas is heavier than air and will settle on the oor.
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 neigh bor’s ph one. Fo llow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call
the re department.
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 qualied service tech­nician or gas supplier. Force or attempted
repair may result in a re or explosion.
D.
Do not use this appliance if any part has been under water. Immediately call a qualied ser­vice technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water.
LIGHTING
INSTRUCTIONS
WARNING
• If replace has glass doors, never operate this heater with glass doors closed. If you op-
erate heater with doors closed,
heat buildup inside replace will cause glass to burst. Make sure there are no obstructions across opening of replace.
• You must operate this heater with a fireplace screen in place. Make sure fireplace screen is closed before run­ning heater.
NOTICE: During initial operation of new heater, burning logs will give off a paper-burning smell. Orange ame will also be pres­ent. Open damper or window to vent smell. This will only last a few hours.
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 ames of the highest heat setting but will nd the heat output excessive. You can open
the chimney damper (if you have one) fully or partially to release some of the heat.
WARNING: Damper handle will be hot if heater has been running.
WARNING: Burners will come on automatically within one minute when the control
valve is in the ON position after the pilot is lit.
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Page 21
AUTO MAN
OPERATING HEATER
Continued
1. STOP! Read the safety information on page 20.
2. Make sure equipment shutoff valve is fully open.
3. Set remote selector switch in the AUTO
position (see Figure 35).
4. Press in and turn control knob clockwise
to the OFF position (see Figure 35).
5. Wait ve (5) minutes to clear out any gas. Then smell for gas, including near the oor.
If you smell gas, STOP! Follow “B” in the safety information on page 20. If you don’t
smell gas, go to the next step.
6. Press in and turn control knob counter­clockwise to the PILOT position.
Press in control knob for ve (5) seconds
(see Figure 35).
Note: You may be running this heater for
the rst time after hooking up to gas sup­ply. If so, the control knob may need to be pressed in for 30 seconds or more. This will allow air to bleed from the gas system.
7. With control knob pressed in, press and release ignitor button. This will light pilot. The pilot is attached to the rear of the front burner. If needed, keep pressing ignitor button until pilot lights.
Note: If pilot does not stay lit, contact a
qualied service person or gas supplier for repairs. Until repairs are made, light pilot
with match. To light pilot with match, see Manual Lighting Procedure.
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 qualied service person
or gas supplier for repairs.
Note: If pilot goes out, repeat steps 4
through 8.
Ignitor Button
9. Slightly push in and turn control knob coun­terclockwise to the ON position.
10. Press the on/off key on the remote control to turn on appliance main burner. Wait at
least 5 seconds before setting desired ame
height.
11. Press the up or down key until the small
triangle is to the left of large ame icon
at the top of LCD display (see Figure 38, page 22). Press the left or right key to set
the desired ame height.
CAUTION: Do not try to ad-
just heating levels by using the equipment shutoff valve.
Pilot Burner
Figure 36 - Pilot (Propane/LP)
Pilot Burner
Figure 37 - Pilot (Natural)
TO TURN OFF GAS
TO APPLIANCE
Shutting Off Heater
Press on/off key on remote control and turn control knob clockwise to the OFF posi­tion (see Figure 35).
Shutting Off Burners Only (pilot stays lit)
Press the on/off key on remote control or turn control knob clockwise to the PILOT position.
Ignitor Electrode
Ignitor Electrode
MANUAL LIGHTING
PROCEDURE
1. Follow steps 1 through 7 under Lighting Instructions, column 1.
2. Depress control knob and light pilot with
Control Knob
Figure 35 - Remote Selector Switch,
Control Knob and Ignitor Button
111604-01N 21
Remote Selector Switch
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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 under Lighting Instructions.
Page 22
OPERATING HEATER
Continued
HAND-HELD
REMOTE OPERATION
NOTICE: You must light the pilot before using the hand-held re­mote control unit. See Lighting Instructions, page 20.
When the appliance and the remote control are switched off, the house icon with the room temperature will be displayed. When the re­mote control is turned on, other icons will be visible and the main burner of the appliance will turn on.
1. Turn control knob clockwise to the ON position (see Figure 35, page 21).
2. Press the ON button on remote control (see Figure 38). Wait 5 seconds to send a command to appliance.
Note: An acoustic signal will be heard that
conrms the reception of the command sent
from the remote control.
Setting Flame Height
Press the up or down key until the small triangle
is to the left of large ame icon at the top of
LCD display (see Figure 38). Press the left or
right key to set the desired ame height. Six ame levels are available from 1 (minimum) to 6 (maximum).
Small Triangle Icon (Function Indicator)
Flame Height Indicator
Thermometer Icon
Clock Icon
Left and Right Keys Increase and Decrease Set Points
LCD Display
Room Temperature Display
Sleep Timer Display
Lock-Out Indicator
Low Battery Indicator
Setting Room Temperature
Press the up or down key until the smal l triangle is to the left of the thermometer icon (see Figure 38). Press the left or right key to set the desired room temperature.
Setting Timer (Sleep Function)
Press the up or down key until the small triangle is to the left of the clock icon (see Figure 38). Press the left or right key to set the desired
sleep time. Maximum sleep time is 90 minutes,
in 15 minute increments. When desired time is set, press the up or down key to start the timer. When the desired time has elapsed, the appli­ance will automatically switch off.
Child Safety Lock-Out
To lock the remote control keys, press the On/Off key then immediately press the up key (see Figure 38). The lock-out function is active when the lock icon is lit. Repeat key sequence to unlock keys.
Low Battery Detection and Backup
A battery icon will be displayed on the LCD display when batteries are low in the remote control (see Figure 38).
When the re cei ver detects a low battery condition;
• Three acoustic “beeps” are generated from the receiver
• Appliance is turned off and will go to the
maximum ame height
• Execution of commands is inhibited until
batteries are replaced
When batteries are low, it is not possible to turn on the appliance with the remote control. Appliance can be turned on or off manually by setting the backup switch of the receiver to MAN position (see Figure 35, page 21). Remote control and receiver will restart normal opera­tion after batteries are replaced. See Installing
Batteries for Remote Receiver and Hand Held Remote Control, page 19.
Timeout
If appliance is turned on and no command is sent to the receiver for 24 hours, appliance will automatically shut down. Commands sent after
shutdown will be executed normally.
On/Off Button
Figure 38 - Remote Control
Up and Down Keys Moves Placement from Top to Bottom on LCD Display
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Page 23

INSPECTING bURNERS

Check pilot ame pattern and burner ame pat­terns often.
PILOT FLAME PATTERN
Figure 39 shows a correct pilot ame pattern. Figure 40 shows an incorrect pilot ame pattern. The incorrect pilot ame is not properly heating the thermocouple. When the thermocouple cools, the heater will shut down.
If pilot ame pattern is incorrect, as shown in Figure 40
• turn heater off (see To Turn Off Gas to Appli- ance, page 21)
• see Troubleshooting, page 25
Note: The pilot ame on a natural gas units will have a slight curve, but ame should be blue and have no yellow or orange color.
Thermocouple
Propane/LP Gas Pilot
Pilot Burner
Natural Gas Pilot
Figure 39 - Correct Pilot Flame Pattern
Pilot Burner
Thermocouple
Pilot Burner
Thermocouple
BURNER PRIMARY AIR HOLES
Air is drawn into the burner through the holes in the tting 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.
MAIN BURNER
Periodically inspect all burner ame holes with the replace running. All slotted burner ame holes should be open with yellow ame present. All round burner ame holes should be open with a small blue ame present. Some burner ame holes may become blocked by debris or rust, with no ame present. If so, turn off replace and let cool. Remove blockage. Blocked burner ame holes will create soot.
BURNER FLAME PATTERN
WARNING: If yellow tipping occurs, your replace could produce increased levels of carbon monoxide.
NOTICE: Do not mistake orange ames with yellow tipping. Dirt or other ne particles enter the replace and burn causing brief patches of orange ame.
Figure 41 shows a correct burner ame pattern. Fig­ure 42 shows an incorrect burner ame pattern. The incorrect burner ame pattern shows the ame higher consistently higher than 1 inch above the logs.
If burner ame pattern is incorrect, as shown in Figure 42
• turn heater off (see To Turn Off Gas To Appli- ance, page 21)
• see Troubleshooting, page 25
Propane/LP Gas Pilot
Pilot Burner
Thermocouple
Figure 41 - Correct Burner Flame Pattern
Yellow Tipping
Natural Gas Pilot
Figure 40 - Incorrect Pilot Flame Pattern
111604-01N 23
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Figure 42 - Incorrect Burner Flame Pattern
Page 24
CLEANING AND
MAINTENANCE
WARNING: Turn off replace
and let cool before cleaning.
CAUTION: You must keep control areas, burner and cir­culating air passageways of replace clean. Inspect these areas of replace before each use. Have replace inspected yearly by a qualied service person. Fireplace may need more frequent cleaning due to excessive lint from carpeting, bedding material, pet hair, etc.
WARNING: Failure to keep the primary air opening(s) of the burner(s) clean may result in sooting and property damage.
BURNER INJECTOR HOLDER AND PILOT AIR INLET HOLE
The primary air inlet holes allow the proper amount of air to mix with the gas. This provides a clean burning ame. Keep these holes clear of dust, dirt, lint and pet hair. Clean these air inlet holes prior to each heating season. Blocked air holes will create soot. We recommend that you clean the unit every three months during operation and have heater inspected yearly by a qualied service person.
We also recommend that you keep the burner tube and pilot assembly clean and free of dust and dirt. To clean these parts we recommend using compressed air no greater than 30 PSI. Your local computer store, hardware store 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.
1. Shut off the unit, including the pilot. Allow the unit to cool for at least thirty minutes.
2. Inspect burner, pilot and primary air inlet holes on injector holder for dust and dirt (see Figures 43 and 44).
3. Blow air through the ports/slots and holes in
the burner.
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4. Check the injector holder located at the end of the burner tube again. Remove any large particles of dust, dirt, lint or pet hair with a soft cloth or vacuum cleaner nozzle.
5. Blow air into the primary air holes on the
injector holder.
6. In case any large clumps of dust have now been pushed into the burner repeat steps 3 and 4.
Clean the pilot assembly also. A yellow tip on the pilot ame indicates dust and dirt in the pilot as-
sembly. There is a small pilot air inlet hole about
two inches from where the pilot ame comes out of the pilot assembly (see Figure 44). With the unit off, lightly blow air through the air inlet hole. You may blow through a drinking straw if compressed air is not available.
Burner Tube
Injector Holder (May Be Brass or Aluminum Depending on Model)
Figure 43 - Injector Holder On Outlet
Burner Tube
Burner Tube
Pilot Assembly
Pilot Air Inlet Hole
Figure 44 - Pilot Inlet Air Hole
Primary Air Inlet Holes (Shape of Holes May Vary by Model)
Ports/Slots
LOGS
• If you remove logs for cleaning, refer to Install-
ing Logs, page 17, to properly replace logs.
• Replace log(s) if broken or chipped (dime-sized
or larger).
111604-01N24
Page 25

TROUbLESHOOTING

WARNING: Turn off heater and let cool before servicing. Only a
qualied service person should service and repair heater.
CAUTION: Never use a wire, needle or similar object to clean
ODS/pilot. This can damage ODS/pilot unit.
Note: All troubleshooting items are listed in order of operation.
OBSERVED PROBLEM
When ignitor button is pressed, there is no spark at ODS/pilot
When ignitor button is pressed, there is spark at ODS/pilot but
no ignition
POSSIBLE CAUSE
1. Ign ito r elec tro de not con-
nected to ignitor cable
2. Ignitor cable pinched or wet
3. Piezo ignitor nut is loose
4. Broken ignitor cable
5. Bad piezo ignitor
6. Ignitor electrode positioned wrong
7. Ignitor electrode broken
1. Gas supply turned off or equip­ment shutoff valve closed
2. Control knob not in PILOT
position
3. Control knob not pressed in while in PILOT position
4.
Air in gas lines when installed
5. Depleted gas supply (propane/ LP only)
6. ODS/pilot is clogged
7. Gas regulator setting is not
correct
REMEDY
1. Reconnect ignitor cable
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
4. Replace ignitor cable
5. Replace piezo ignitor
6. Replace pilot assembly
7. Replace pilot assembly
1. Turn on gas supply or open
equipment shutoff valve
2. Turn control knob to PILOT
position
3. Press in control knob while in PILOT position
4. Continue holding down con­trol knob. Repeat igniting op­eration until air is removed
5. Contact local propane/LP gas
company
6.
Clean ODS/pilot (see Cleaning and Maintenance, page 24) or
replace ODS/pilot assembly
7. Replace gas regulator
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Page 26
OBSERVED PROBLEM
ODS/pilot lights but ame goes out when control knob is re-
leased
TROUbLESHOOTING
Continued
POSSIBLE CAUSE
1.
Control knob not fully pressed in
2. Control knob not pressed in
long enough
3. Equipment shutoff valve not fully open
4. Pilot ame not touching ther­mocouple, which allows ther­moc oupl e to cool, caus ing pilot flame to go out. This
problem could be caused by
one or both of the following:
A) Low gas pressure B) Dirty or partially clogged
ODS/pilot
5. Thermoco upl e con nection loose at control valve
6. Thermocouple damaged
7. Control valve damaged
REMEDY
1. Press in control knob fully
2. After ODS/pilot lights, keep control knob pressed in 30
seconds
3. Fully open equipment shutoff valve
4. A) Contact local natural or
propane/LP gas company
B ) Cl ea n ODS/pilot (s ee
Cleaning and Maintenance, page 24) or replace ODS/pilot
assembly
5. Hand tighten until snug, then
tighten 1/4 turn more
6. Replace pilot assembly
7. Replace control valve
Burner does not light after ODS/
pilot is lit
Delayed ignition of one or both
burners
Burner backring during com­bustion
1. Inlet gas pressure is too low
2. Burner orice(s) clogged
3. Thermopile leads disconnect-
ed or improperly connected
4. Burner will not come on in
remote position
1. Manifold pressure is too low
2. Burner orice(s) clogged
1. Burner orice is clogged or
damaged
2. Damaged burner
3. Gas regulator defective
1. Contact local natural or pro-
pane/LP gas company
2. Clean burner(s) (see Cleaning and Maintenance, page 24) or
replace burner orice(s)
3. Reconnect leads (see Wiring Diagram, page 29)
4. Replace battery in transmitter and receiver
1. Contact local natural or pro-
pane/LP gas company
2. Clean burner(s) (see Cleaning and Maintenance, page 24) or
replace burner orice(s)
1. Clean burner (see Cleaning and Maintenance, page 24) or replace burner orice(s)
2. Replace damaged burner
3. Replace gas regulator
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111604-01N26
Page 27
OBSERVED PROBLEM
Slight smoke or odor during initial
operation
Moisture/condensation noticed on windows
TROUbLESHOOTING
Continued
POSSIBLE CAUSE
1. Not enough air
2. Gas regulator defective
3. Residues from manufacturing
processes and logs curing
REMEDY
1. Che ck bur ner for dirt and debris. If found, clean burner (see Cleaning and Mainte- nance, page 24)
2. Replace gas control
3. Problem will stop after a few hours of operation
Heater produces a whistling noise when burners are lit
White powder residue forming within burner box or on adjacent walls or furniture
Remote does not function
Fireplace produces a clicking/ ticking noise just after burner is lit or shut off
1. Not enough combustion/ven-
tilation air
1. Turning control knob to HI po­sition when burners are cold
2. Air in gas line
3. Air passageways on heater blocked
4. Dir ty or partially clo gge d burner orice(s)
1. When heated, vapors from furniture polish, wax, carpet cleaners, etc. may turn into white powder residue
1. Battery is not installed. Bat-
tery power is low
1. Metal expanding while heating or contracting while cooling
1. Refer to Air for Combustion and Ventilation requirements (page 5)
1. Tur n co ntrol kno b to LO position and let warm up for
a minute
2. Operate burners until air is removed from line. Have gas line checked by local natural
or propane/LP gas company
3. Observe minimum installation clearances (see page 9)
4. Clean burners (see Cleaning and Maintenance, page 24) or replace burner orice(s)
1. Turn heater off when using furniture polish, wax, carpet
cleaners or similar products
1. Replace 9-volt batteries in receiver and remote control
1. This is normal with most heat­ers. If noise is excessive, contact qualied service person
111604-01N 27
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Page 28
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 re department.
IMPORTANT: Operating replace where impurities in air exist may create odors. Cleaning supplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes. These fumes may mix with combustion air and create odors. These odors will disappear over time.
OBSERVED PROBLEM
Fireplace produces unwanted
odors
Fireplace shuts off in use (ODS operates)
Gas odor even when control knob is in OFF position
Gas odor during combustion
POSSIBLE CAUSE
1. Heater burning vapors from paint, hair spray, glues, clean­ers, chemicals, new carpet, etc. (See IMPORTANT state- ment above)
2. Low fuel supply (propane/LP only)
3. Gas leak. See Wa rni ng
statement above
1. Not enough fresh air is avail­able
2. Low line pressure
3. ODS /p i lo t i s p ar t ial l y
clogged
1. Gas leak. See Wa rni ng statement above
2. Control valve or gas control defective
1. Foreign matter between con­trol valve and burner
2. Gas leak. See Wa rni ng
statement above
REMEDY
1. Open window to ventilate
room. Stop using odor caus-
ing products while heater is
running
2. Rell supply tank (propane/ LP only)
3. Locate and correct all leaks (see Checking Gas Connec- tions, page 16)
1. Open window and/or door for ventilation
2. Contact local natural or pro-
pane/LP gas company
3. Clean ODS/pilot (see Cleaning and Maintenance, page 24)
1. Locate and correct all leaks (see Checking Gas Connec- tions, page 16)
2. Replace control valve or gas
control
1. Take apart gas tubing and remove foreign matter
2. Locate and correct all leaks (see Checking Gas Connec- tions, page 16)
Dark residue on logs inside of their replace Note: After removing all causes of residue deposits, completely clean re­place and appliance off residue before reusing appliance
1. Improper log placement
2. Drafts or other air currents affecting ame pattern
3. Air hol es at burne r inlet blocked
4. Burner ame holes blocked
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1. Pro perly loc ate logs (see Installing Logs, page 17)
2. Eliminate source of drafts
around heater
3.
Clean out air holes at burner inlet.
Periodically repeat as needed
4. Remove blockage
111604-01N28
Page 29

SPECIFICATIONS

LMFP33NR(A) LMFP33PR(A)
Btu (Variable) 23,000/33,000 23,000/33,000
Type Gas Natural Gas Propane/LP
Ignition Piezo Piezo
Pressure Manifold 3.5" W.C. 7.9" W.C.
Inlet Gas Pressure (in. of water)
Maximum 10.5" 14"
Minimum* 5.5" 11"
Shipping Weight 122 lbs. 122 lbs.
* For input adjustment

WIRING DIAGRAM

Red
Black
Red
White

TECHNICAL SERVICE

You may have further questions about installation, operation or troubleshooting. If so, contact DESA Heating Products’ Technical Service Department at 1-866-672-6040. When calling, please have your model and serial numbers of your heater ready.
You can also visit DESA Heating Products’ techni­cal services web site at www.desatech.com.

SERVICE HINTS

When Gas Pressure Is Too Low
• pilot will not stay lit
• burner will have delayed ignition
• replace will not produce specied heat
• for propane/LP unit, propane/LP gas supply may be low
You may feel your gas pressure is too low. If so,
contact your local gas supplier.

REPLACEMENT PARTS

Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty.
PARTS UNDER WARRANTY
Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA Heating Products’ Technical Service Department at 1-866-672-6040. When calling DESA Heating Products, have ready
• your name and address
• model and serial numbers of your replace
• how replace was malfunctioning
• type of gas used (propane/LP or natural gas)
• purchase date
Usually, we will ask you to return the part to the factory.
PARTS NOT UNDER WARRANTY
Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA Heating Products at 1-866-672-6040 for referral information. When calling DESA Heating Products, have ready
• model number of your replace
• the replacement part number
111604-01N 29
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Page 30
ILLUSTRATED PARTS bREAkDOWN
17
4
8
12
25
20
21
7
6
4
3
2
5
9
27
14
13
15
16
22
11
10
19
23
18
24
28
1b
1a
1c
1d
26
1b
1a
1c
1d
1e
“A Models”
MODELS
LMFP33PR, LMFP33PRA, LMFP33NR AND LMFP33NRA (SHOWN)
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111604-01N30
Page 31
PARTS LIST
This list contains replaceable parts used in your replace. When ordering parts, follow the instructions listed under Replacement Parts on page 29 of this manual.
KEY
NO.
PART NUMBER
DESCRIPTION QTY.LMFP33PR LMFP33PRA LMFP33NR LMFP33NRA
1a 111625-03 109072-01 111625-03 109072-01 Middle Log 1 1b 111625-04 109073-01 111625-04 109073-01 Rear Log 1 1c 111625-01 109074-01 111625-01 109074-01 Front Log 1 1d 111625-07
111625-07
Left Crossover Log 1 1e 111625-05 109075-01 111625-05 109075-01 Right Crossover Log 1 2 103778-01 103778-01 103779-01 103779-01 ODS Pilot 1 3 098249-01 098249-01 098249-01 098249-01 ODS Nut 2 4 099387-09 099387-09 099387-07 099387-07 Pilot Tube 1 5 104229-03 104229-03 111331-13 111331-13 Burner Outlet Tube 1 6 111124 -01 111124-01 111124-01 111124-01 Burner Retainer Spring 1 7 099056-31 099056-31 099056-26 099056-26 Burner Orice Injector 1 8 102772-01 102772-01 102772-01 102772-01 Burner 2 9 M11084-38 M11084-38 M11084-38 M11084-38 Screw, #8-16 x .38 4 10
104236-01CK 104236-01CK 104236-01CK 104236-01CK
Painted Base Assembly 1 11 M12461-26 M12461-26 M12461-26 M12461-26 Screw, #10-32 x 0.38 4 12 ** ** ** ** Firebox Bottom 1 13 M50104-02 M50104-02 M50104-02 M50104-02 Bushing 1 14 098265-02 098265-02 098265-02 098265-02 Elbow, Male 1 15 103782-01 103782-01 103782-01 103782-01 Valve Bracket 1 16 111440-04 111440-04 111440-03 111440-03 Gas Valve, Remote 1 17 098271-10 098271-10 098271-10 098271-10 Ignitor Cable 1 18 102445-01 102445-01 102445-01 102445-01 Piezo Ignitor 1 19 098304-01 098304-01 098304-01 098304-01 Screw 7 20 111442-02 111442-02 111442-02 111442-02 Digital Display Remote
Control 21 111441-02 111441-02 111441-02 111441-02 Proame Receiver 1 22 104241-01 104241-01 104241-01 104241-01 Remote Switch Bracket 1 23 097809-02 097809-02 097809-02 097809-02 Male Connector 1 24 101628-03 101628-03 101628-03 101628-03
Flexible Connector (Hose) 25 M11084-26 M11084-26 M11084-26 M11084-26 Screw, #10-16 x 0.38 4 26 901063-01 901063-01 901063-01 901063-01 3/8" Flare x 1/2" NPT 1 27 28
— —
099918-02 099918-02 Pilot Regulator 099387-07 099387-07 Pilot Tube
PARTS AVAILABLE — NOT SHOWN
097555-01 097555-01 097555-01 097555-01 Caution Decal 1
** Not a eld replaceable part.
1
1
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Page 32
ILLUSTRATED PARTS bREAkDOWN
4
11
14
8
14
9
3
14
9
9
2
1
6
7
10
14
12
5
14
13
16
15
FIREBOX
LMFP33PR, LMFP33PRA, LMFP33NR AND LMFP33NRA
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111604-01N32
Page 33
PARTS LIST
FIREBOX
LMFP33PR, LMFP33PRA, LMFP33NR AND LMFP33NRA
This list contains replaceable parts used in your replace. When ordering parts, follow the instructions listed under Replacement Parts on page 29 of this manual.
KEY NO. PART NO. DESCRIPTION QTY.
1 101357-03 Top Outer Casing 1 2 ** Outer Casing 1 3 ** Right Front Side 1 4 ** Left Front Side 1 5 098304-01 Phillips Pan Head Screw, #10-16 x 0.38 9 6 104239-01CK Top Front Louver 1 7 101712-03 Firebox Hood 1 8 ** Firebox Support 2 9 099230-02 Shoulder Screw 4 10 ** Firebox Top 1 11 101346-01 Outer Base 1 12 ** Firebox Wrapper 1 13 101514-01 Cover 1 14 M11084-26 Hex Screw, #10-16 x 0.38 45 15 104237-01CK Bottom Louvered Door 1 16 101727-02 Screen Assembly 1
101386-02 Louvered Door Hinge 2 101784-01 Magnet Catch 2 102307-01 Strike Plate 2
** Not a eld replaceable part.
PARTS AVAILABLE — NOT SHOWN
111604-01N 33
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Page 34

ACCESSORIES

NOTICE: All accessories may
not be available for all replace models.
Purchase these replace accessories from your lo­cal dealer. If they can not supply these accessories, call DESA Heating Products’ Sales Department at 1-866-672-6040 for information. You can also write to the address listed on the back page of
this manual.
EQUIPMENT SHUTOFF VALVE
GA5010
For all models. Equipment shutoff valve with 1/8" NPT tap. Fits 1/2" NPT pipe.
BLOWER ACCESSORY - GA3750A AND GA3650TB SERIES
For all models. Manual variable control and automatic thermostat variable control. A blower will increase air ow to assist heat distribution from the rebox.
FIREBOX BRICK LINER - G8005 Series (Not Shown)
For all models. Ceramic ber rebox liner adds the look of real brick.
INFORMATION VIDEO - 108917-01
For all models. A care and maintenance video is available by calling 1-866-672-6040. You may also email your request to
productsupport@desaint.com.
CABINET MANTEL AND FULL
HEARTH BASE (Not Shown)
W32AU - Unnished Oak, Traditional W32AOS - Oak Finished, Traditional CMA311WA - Painted White, Traditional with Dentil Molding CMA306FA - Oak Finished, Traditional with Dentil Molding
CMA312FB - Dark Oak Finished, Classic W32KCSA - Cherry Finished, Neo-Classical W32KPA - Painted White, Neo-Classical CMA305UA - Unnished Oak , Georgian GMC90FA - Oak Finished, Georgian W32DS - Red Oak Finished, Keystone W32GOSA - Dark Oak Finished, Mission
For all models. Three-sided perimeter trim included.
CORNER CABINET MANTEL AND
FULL HEARTH BASE (Not Shown)
C32AU - Unnished Oak, Traditional C32AOS - Oak Finished, Traditional
C32HS - Dark Oak Stained, Classic
For all models. Three-sided perimeter trim included.
DUPLEX OUTLET KIT - GA3555 (Not Shown)
For all models. For built-in installation when accessory blowers are used.
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111604-01N34
Page 35
NOTES
______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________
111604-01N 35
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Page 36
111604 01

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 specications 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 GAS FIREPLACE
DESA Heating Products warrants this product to be free from defects in materials and components for two (2) years from the date of rst purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions. To make a claim under this warranty the Bill of Sale or cancelled check must be presented.
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 DESA Heating Products Authorized Service Center. Warranty part(s) MUST be obtained through authorized dealers of this product and/or DESA Heating Products who will provide original factory replacement parts. Failure to use original factory replacement parts voids this warranty. The heater MUST be installed by a qualied 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 DURATION OF ANY AND ALL IMPLIED WARRANTIES, INCLUD­ING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO TWO (2) YEARS ON ALL COMPONENTS FROM THE DATE OF FIRST PURCHASE; AND DESA HEATING PRODUCTS’ LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA HEATING PRODUCTS 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 specic legal rights and you may also have other rights that vary from state to state.
For information about this warranty write:
2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 www.desatech.com
NOT A UPC
111604-01 Rev. N 05/06
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