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www.desatech.com

111604-01E

3

SAFETY INFORMATION

 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, oper-
ate, or service this heater. Im-
proper use of this heater can
cause serious injury or death
from burns, fire, explosion, elec-
trical shock, and carbon mon-
oxide poisoning.

 DANGER: Carbon monoxide

poisoning may lead to death!

Carbon Monoxide Poisoning:

 Early signs of car-

bon monoxide poisoning resemble the flu, 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
influence of alcohol, and those at high altitudes.

Natural and Propane/LP Gas: 

Natural and propane/

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 warn-
ings. 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 use a

blower insert, heat exchanger
insert, or other accessory not
approved for use with this heater.

 WARNING: Do not allow fans

to blow directly into the fireplace.
Avoid any drafts that alter burner
flame patterns. Ceiling fans can
create drafts that alter burner
flame patterns. Altered burner
patterns can cause sooting.

Due to high temperatures, the
appliance should be located out
of traffic and away from furni-
ture and draperies.

Do not place clothing or other
flammable material on or near
the appliance. Never place any
objects on the heater.

Fireplace and screen become
very hot when running fireplace.
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 fireplace. When using the
optional hand-held remote ac-
cessory, keep selector switch in
the OFF position to prevent chil-
dren from turning on burners
with remote.

You must operate this fireplace
with the fireplace screen and
hood in place. Make sure fire-
place screen and hood are in
place before running heater.

Keep the appliance area clear
and free from combustible ma-
terials, gasoline, and other flam-
mable vapors and liquids.

Summary of Contents for LMFP33NR

Page 1: ...o 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 instructi...

Page 2: ...ance may be installed in an aftermarket permanently located manufactured mobile home where not prohibited by local codes This appliance is only for use with the type of gas indicated on the rating pla...

Page 3: ...p 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 use a blower insert heat exch...

Page 4: ...This fireplace needs fresh air ventilation to run properly This fireplace has an Oxygen Deple tion Sensing ODS safety shutoff system The ODS shuts down the fireplace if enough fresh air is not availab...

Page 5: ...odes in some areas pro hibit the use of vent free heaters SAFETY DEVICE This fireplace has a pilot with an Oxygen Deple tion Sensing ODS safety shutoff system The ODS pilot is a required feature for v...

Page 6: ...g of all appliances installed in that space and an unconfined space as a space whose vol ume 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 ap...

Page 7: ...Section 5 3 or applicable local codes 40 000 33 000 73 000 AIR FOR COMBUSTION AND VENTILATION Continued Figure 4 Ventilation Air from Outdoors Figure 3 Ventilation Air from Inside Building Outlet Air...

Page 8: ...top of your fireplace except where standoff spacers are integrally attached If standoff spacers are attached to your fireplace these spacers can be placed directly against wall or framing materials U...

Page 9: ...anging screws 10 x 6 25 shoul der into holes in cabinets Place the assembled trimontofireplacecabinet Alignhangingnotches on trim with hanging screws on side of fireplace see Figure 7 Push trim firmly...

Page 10: ...ocate access hole so cabinet mantel will cover it when installed Note You can secure base to floor using wood screws Countersinkscrewheadsandputtyover 5 Route flexible gas line through access hole in...

Page 11: ...gh 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...

Page 12: ...er the equip ment shutoff valve The flexible gas line must be the last item installed on the gas piping See Installing Gas Piping to Fireplace Loca tion pages 13 and 14 9 Carefully set fireplace in fr...

Page 13: ...ulator WARNING A qualified ser vice person must connect fire place to gas supply Follow all local codes CAUTION Neverconnectpro pane LP fireplace directly to the propane LPsupply Thisfireplace require...

Page 14: ...valve to fireplaces ApplypipejointsealantlightlytomaleNPTthreads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged fireplace valves Never use sealan...

Page 15: ...through one of the access holes NOTICE Most building codes do not permit concealed gas con nections A flexible gas line is provided to allow accessibility fromthefireplace seeFigure22 The flexible gas...

Page 16: ...r gas meter for natural gas or using compressed air 4 Check all joints of gas supply piping system Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak 5 Correct all leaks...

Page 17: ...accordance with these diagrams or failure to use only parts specifically approved withthisheatermayresultinprop erty damage or personal injury WARNING After installation and periodically thereafter ch...

Page 18: ...RECEIVER AND HAND HELD REMOTE CONTROL Four AA batteries and threeAAA batteries are re quired to operate this heater with the wireless hand held remote control set Four AA batteries must be installed i...

Page 19: ...nce and to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS WARNING If fireplace has glass doors never operate this heater with glass doors c...

Page 20: ...son or gas supplier for repairs Note If pilot goes out repeat steps 4 through 8 9 Slightly push in and turn control knob coun terclockwise to the ON position OPERATING HEATER Continued AUTO MAN Contro...

Page 21: ...is set press the up or down key to start the timer When the desired time has elapsed the appli ance will automatically switch off Child Safety Lock Out To lock the remote control keys press the On Off...

Page 22: ...st or lint Periodically in spect these holes for any blockage and clean if needed Blocked air holes will create soot MAIN BURNER Periodically inspect all burner flame holes with the fireplace running...

Page 23: ...ressed 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...

Page 24: ...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 igni...

Page 25: ...ed burner 3 Gas regulator defective 1 Not enough air 2 Gas regulator defective 3 Residues from manufacturing processes and logs curing REMEDY 1 Press in control knob fully 2 AfterODS pilotlights keepc...

Page 26: ...Operate burners until air is re moved from line Have gas line checked by local natural or propane LP gas company 3 Observe minimum installa tion clearances see pages 9 through 13 4 Clean burners see C...

Page 27: ...ile heater is running 2 Refill 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...

Page 28: ...ill not produce specified 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 orig...

Page 29: ...maximize heat distribution FIREBOX BRICK LINER G8000A Series Not Shown For all models Ceramic fiber firebox liner adds the look of real brick INFORMATION VIDEO 108917 01 For all models A care and mai...

Page 30: ...www desatech com 111604 01E 30 ILLUSTRATED PARTS BREAKDOWN MODELS LMFP33PR AND LMFP33NR SHOWN 17 26 4 8 12 25 20 21 7 6 4 3 2 1c 1b 1a 5 1d 1e 9 27 14 13 15 16 22 11 10 19 23 18 24 28...

Page 31: ...1 Burner 2 9 M11084 38 M11084 38 Screw 8 16 x 38 4 10 104236 01CK 104236 01CK Painted Base Assy 1 11 M12461 26 M12461 26 Screw 10 32 x 38 4 12 Firebox Bottom 1 13 M50104 02 M50104 02 Bushing 1 14 0982...

Page 32: ...www desatech com 111604 01E 32 ILLUSTRATED PARTS BREAKDOWN FIREBOX LMFP33PR AND LMFP33NR 4 11 14 8 14 9 3 14 9 9 2 1 6 7 10 14 12 5 14 13 16 15...

Page 33: ...ht Front Side 1 4 Left Front Side 1 5 098304 01 Phillips Pan Head Screw 10 16 x 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 Fir...

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Page 36: ...inal factory replacement parts voids this warranty The heater MUST be installed by a qualified in staller in accordance with all local codes and instructions furnished with the unit This warranty does...

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