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Desa LMFP33NR Owner's Operation And Installation Manual

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UNVENTED (VENT-FREE) GAS FIREPLACE
OWNER'S OPERATION AND INSTALLATION MANUAL
Patent Pending
Shown with optional cabinet mantel and hearth base accessories.
LMFP33NR/LMFP33PR REMOTE CONTROL
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result causing
property damage, personal injury, or loss of life.
— Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other
appliance.
— WHAT TO DO IF YOU SMELL GAS
•
Do not try to light any appliance.
•
Do not touch any electrical switch; do not use any
phone in your building.
•
Immediately call your gas supplier from a neighbor's
phone. Follow the gas supplier's instructions.
•
If you cannot reach your gas supplier, call the fire
department.
— Installation and service must be performed by a quali-
fied installer, service agency, or the gas supplier.
For more information, visit www.desatech.com
GAS FIREPLACE SYSTEMS
Save this manual for future reference.

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Summary of Contents for Desa LMFP33NR

  • Page 1 OWNER’S OPERATION AND INSTALLATION MANUAL Patent Pending Shown with optional cabinet mantel and hearth base accessories. LMFP33NR/LMFP33PR REMOTE CONTROL GAS FIREPLACE SYSTEMS WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury, or loss of life.

  • Page 2: Table Of Contents

    WARNING: Improper installation, adjustment, altera- tion, service, or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional information consult a qualified installer, service agency, or the gas supplier. WARNING: This is an unvented gas-fired heater.

  • Page 3: Safety Information

    SAFETY INFORMATION WARNING: Do not allow fans to blow directly into the fireplace. WARNING: This product con- Avoid any drafts that alter burner tains and/or generates chemicals flame patterns. Ceiling fans can known to the State of California create drafts that alter burner to cause cancer or birth defects, flame patterns.

  • Page 4: Product Identification

    SAFETY INFORMATION 12. Do not use fireplace if any part has been exposed to or under water. Immediately call a qualified Continued service technician to inspect the fireplace and to 1. This appliance is only for use with the type of replace any part of the control system and any gas indicated on the rating plate.

  • Page 5: Local Codes

    LOCAL CODES SAFETY DEVICE This fireplace has a pilot with an Oxygen Deple- Install and use fireplace with care. Follow all lo- tion Sensing (ODS) safety shutoff system. The cal codes. In the absence of local codes, use the ODS/pilot is a required feature for vent-free room latest edition of The National Fuel Gas Code ANSI heaters.

  • Page 6: Air For Combustion And Ventilation

    Confined and Unconfined Space AIR FOR COMBUSTION The National Fuel Gas Code, ANSI Z223.1/ AND VENTILATION NFPA 54 defines a confined space as a space Continued whose volume is less than 50 cubic feet per 1,000 PROVIDING ADEQUATE Btu per hour (4.8 m per kw) of the aggregate in- put rating of all appliances installed in that space VENTILATION...
  • Page 7 AIR FOR COMBUSTION VENTILATION AIR AND VENTILATION Ventilation Air From Inside Building This fresh air would come from an adjoining un- Continued confined space. When ventilating to an adjoining Example: unconfined space, you must provide two perma- 40,000 Gas water heater _____________ Btu/Hr nent openings: one within 12"...

  • Page 8: Installation

    Note: Your fireplace is designed to be used in zero INSTALLATION clearance installations. Wall or framing material NOTICE: This heater is intended can be placed directly against any exterior surface for use as supplemental heat. on the rear, sides, or top of your fireplace, except where standoff spacers are integrally attached.

  • Page 9: Installation Clearances

    INSTALLATION INSTALLATION CLEARANCES Continued WARNING: Maintain the ASSEMBLING AND ATTACHING minimum clearances. If you can, OPTIONAL BRASS TRIM provide greater clearances from (Included with Mantel Accessory) floor, ceiling, and adjoining wall. IMPORTANT: If you are recessing the firebox in a wall, do not attach brass trim at this time.

  • Page 10: Conventional Fireplace Installation

    INSTALLATION 8. Place cardboard or other protective material on top of hearth base. Carefully set fireplace Continued on protective material, with back of fireplace CONVENTIONAL FIREPLACE inside mantel opening. INSTALLATION 9. Attach flexible gas line from fireplace gas regulator to gas supply. See Connecting Fire- Conventional installation of this fireplace involves place to Gas Supply, page 13.
  • Page 11 INSTALLATION 4. Connect wires from the electrical box to du- plex outlet. Match wire colors to those indi- Continued cated on duplex outlet. Be sure to connect ground wire. 5. Install shield to end of right support bracket and behind the firebox wrapper with 2 screws provided (see Figure 16, page 12).
  • Page 12 INSTALLATION Continued 8. Install gas piping to fireplace location. This installation includes an approved flexible gas Nails or Wood Screws line (if allowed by local codes) after 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.

  • Page 13: Local Codes

    INSTALLATION Continued Mantel Shelf Wall board or facing material (above 10" firebox) may be of 8" combustible material, including decorative 6" mantel ornaments or 1 /2 " other similar projec- tions off of the facing material. Framing Material Noncombustible Material May Project Off this Surface above Firebox...
  • Page 14 Propane/LP INSTALLATION External Supply Tank Regulator Continued For propane/LP units, the installer must supply an external regulator. The external regulator will re- duce incoming gas pressure. You must reduce in- coming gas pressure to between 11 and 14 inches of water. If you do not reduce incoming gas pres- sure, heater regulator damage could occur.
  • Page 15 INSTALLATION 7. Replace log base assembly back into fireplace. Feed flexible gas line into fireplace base area Continued while replacing log base assembly. Make sure CONNECTING FIREPLACE TO GAS the entire flexible gas line is in fireplace base area. Reattach log base assembly to fireplace SUPPLY with screws removed in step 2.
  • Page 16 Test Pressures Equal To or Less Than 1/2 PSIG INSTALLATION (3.5 kPa) Continued 1. Close equipment shutoff valve (see Figure 23). CHECKING GAS CONNECTIONS 2. Pressurize supply piping system by either opening propane/LP supply tank valve for WARNING: Test all gas pip- propane/LP gas or opening main gas valve lo- cated on or near gas meter for natural gas, or ing and connections, internal...
  • Page 17 INSTALLATION It is very important to install the logs exactly as instructed. Do not modify logs. Only use logs sup- Continued plied with fireplace. Pressure Testing Fireplace Gas 1. Place pins in rear log (log 1) into holes on Connections rear of base grate as shown in Figure 26.
  • Page 18 INSTALLATION INSTALLING BATTERIES FOR REMOTE RECEIVER AND HAND Continued HELD REMOTE CONTROL 4. Place left top log on left pins on logs 2 and 3, Four AA batteries and three AAA batteries are re- resting it on log 1 (see Figure 28). quired to operate this heater with the wireless hand- 5.

  • Page 19: Operating Heater

    OPERATING HEATER LIGHTING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE LIGHTING WARNING • If fireplace has glass doors, WARNING: If you do not fol- never operate this heater with low these instructions exactly, glass doors closed. If you op- a fire or explosion may result erate heater with doors closed, causing property damage, per- heat buildup inside fireplace...
  • Page 20 OPERATING HEATER 10. Press the on/off key on the remote control to turn on appliance main burner. Wait at least Continued 5 seconds before setting desired flame height. 4. Press in and turn control knob clockwise 11. Press the up or down key until the small to the OFF position (see Figure 32).
  • Page 21 Setting Room Temperature OPERATING HEATER Press the up or down key until the small tri- Continued angle is to the left of the thermometer icon (see Figure 35). Press the left or right key to set the HAND-HELD desired room temperature. REMOTE OPERATION Setting Timer (Sleep Function) NOTICE: You must light the pilot...

  • Page 22: Inspecting Burners

    INSPECTING BURNERS BURNER PRIMARY AIR HOLES Air is drawn into the burner through the holes in Check pilot flame pattern and burner flame pat- the fitting at the burner entrance. These holes may terns often. become blocked with dust or lint. Periodically in- PILOT FLAME PATTERN spect these holes for any blockage and clean if needed.

  • Page 23: Cleaning And Maintenance

    CLEANING AND 3. Blow air through the ports/slots and holes in the burner. MAINTENANCE 4. Check the injector holder located at the end of the burner tube again. Remove any large WARNING: Turn off fireplace particles of dust, dirt, lint, or pet hair with a and let cool before cleaning.

  • Page 24: Troubleshooting

    TROUBLESHOOTING Note: For additional help, WARNING: Turn off and let cool before visit DESA Heating Prod- servicing. Only a qualified service person ucts’ technical service web should service and repair heater. site at www.desatech.com. Note: All troubleshooting items CAUTION: Never use a wire, needle, or are listed in order of operation.
  • Page 25 TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY ODS/pilot lights but flame goes 1. Control knob not fully pressed in 1. Press in control knob fully out when control knob is released 2. Control knob not pressed in 2. After ODS/pilot lights, keep con- long enough trol knob pressed in 30 seconds 3.
  • Page 26 TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Moisture/condensation noticed 1. Not enough combustion/ven- 1. Refer to Air for Combustion on windows tilation air and Ventilation requirements (page 5) Heater produces a whistling 1. Turning control knob to HI po- 1. Turn control knob to LO po- noise when burners are lit sition when burners are cold sition and let warm up for a...
  • Page 27 TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Fireplace produces a clicking/ 1. Metal expanding while heating 1. This is common with most heat- ticking noise just after burner is or contracting while cooling ers. If noise is excessive, con- lit or shut off tact qualified service person Fireplace produces unwanted 1.

  • Page 28: Specifications

    PARTS NOT UNDER WARRANTY model and serial numbers of your heater ready. Contact authorized dealers of this product. If they You can also visit DESA Heating Products’ tech- nical services web site at www.desatech.com. can’t supply original replacement part(s), call DESA Heating Products at 1-866-672-6040 for referral information.

  • Page 29: Accessories

    Purchase these fireplace accessories from your local dealer. If they can not supply these accesso- CMA307U - Traditional Cabinet and Base ries, call DESA Heating Products’ Sales Depart- in Unfinished Oak ment at 1-866-672-6040 for information. You can For all models. Mantels come with base and also write to the address listed on the back page of black trim.

  • Page 30: Illustrated Parts Breakdown And Parts List

    ILLUSTRATED PARTS BREAKDOWN MODELS LMFP33PR AND LMFP33NR (SHOWN) www.desatech.com 111604-01E...

  • Page 31: Parts List

    PARTS LIST This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 28 of this manual. PART NUMBER LMFP33PR LMFP33NR DESCRIPTION QTY. 111246-01 111246-01 Log Set 111625-01 111625-01 Front Log...
  • Page 32 ILLUSTRATED PARTS BREAKDOWN FIREBOX LMFP33PR AND LMFP33NR www.desatech.com 111604-01E...
  • Page 33 PARTS LIST FIREBOX LMFP33PR AND LMFP33NR This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 28 of this manual. PART NUMBER DESCRIPTION QTY. 101357-01 Top Outer Casing Outer Casing...
  • Page 34 NOTES ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ www.desatech.com 111604-01E...
  • Page 35 NOTES ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ 111604-01E www.desatech.com...

  • Page 36: Warranty Information

    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 first purchase, provided that the product has been properly installed, operated and main- tained in accordance with all applicable instructions.

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