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Desa EFP33NR Owner's Operation And Installation Manual

Unvented (vent-free) gas fireplace
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For more information, visit www.desatech.com
For more information, visit www.desatech.com
Shown with optional cabinet mantel,
hearth base, and trim accessories.
CGEFP33PR, CGEFP33NR, EFP33PR, and EFP33NR
Gas Fireplace with Total Control System (TCS)
WARNING: If the information in this manual is not fol-
lowed 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.
This appliance 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 plate. This appliance
is not convertible for use with other gases.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
Save this manual for future reference.
Save this manual for future reference.
UNVENTED (VENT-FREE)
GAS FIREPLACE
TM
OWNER'S OPERATION AND INSTALLATION MANUAL
Shown with optional hearth
base accessory.
WARNING: Improper installation,
adjustment, alteration, service, or
maintenance can cause injury or
property damage. Refer to this
manual for correct installation and
operational procedures. For assis-
tance or additional information con-
sult a qualified installer, service
agency, or the gas supplier.
WARNING: This is an unvented gas-
fired heater. It uses air (oxygen)
from the room in which it is in-
stalled. Provisions for adequate
combustion and ventilation air must
be provided. Refer to Air for Com-
bustion and Ventilation section on
page 5 of this manual.

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Summary of Contents for Desa EFP33NR

  • Page 1 For more information, visit www.desatech.com Shown with optional cabinet mantel, hearth base, and trim accessories. CGEFP33PR, CGEFP33NR, EFP33PR, and EFP33NR Gas Fireplace with Total Control System (TCS) WARNING: If the information in this manual is not fol- lowed exactly, a fire or explosion may result causing property damage, personal injury, or loss of life.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SAFETY INFORMATION TABLE OF CONTENTS SAFETY INFORMATION ... 2 PRODUCT IDENTIFICATION ... 3 LOCAL CODES ... 4 UNPACKING ... 4 PRODUCT FEATURES ... 4 AIR FOR COMBUSTION AND VENTILATION ... 5 INSTALLATION ... 7 OPERATING FIREPLACE ... 23 INSPECTING BURNERS ...

  • Page 3: Safety Information

    SAFETY INFORMATION 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. Do not place propane/LP supply tank(s) inside any structure. Lo- cate propane/LP supply tank(s) outdoors (propane/LP units only).

  • Page 4: Local Codes

    LOCAL CODES UNPACKING PRODUCT FEATURES LOCAL CODES Install and use fireplace 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.

  • Page 5: Air For Combustion And Ventilation

    AIR FOR COMBUSTION AND VENTILATION WARNING: This heater shall not be installed in a confined space or unusually tight construction un- less provisions are provided for adequate combus- tion and ventilation air. Read the following instruc- tions to insure proper fresh air for this and other fuel- burning appliances in your home.

  • Page 6: Determining Fresh-Air Flow For Heater Location

    AIR FOR COMBUSTION AND VENTILATION Determining Fresh-Air Flow For Heater Location Ventilation Air AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms.

  • Page 7: Installation

    AIR FOR COMBUSTION AND VENTILATION Continued 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 floor. Connect these items directly to the outdoors or spaces open to the outdoors.

  • Page 8: Installation Clearances

    INSTALLATION Check Gas Type Electrical Hookup Installation Clearances Installation Sequence Removing Fireplace Screen And Floor Assembly INSTALLATION Continued CHECK GAS TYPE Use the correct gas type (natural or propane/LP) for your unit. If your gas supply is not correct, do not install fireplace. Call dealer where you bought fireplace for proper type fireplace.
  • Page 9 INSTALLATION Continued Flexible Gas Line Screws Fireplace Floor Assembly Figure 6 - Removing Fireplace Floor Assembly ELECTRICAL CONNECTIONS FOR POWER CORD This fireplace operates on 120 VAC, 60 Hz power. An electrical power cord is supplied with this unit. For Mantel Installation Determine from which side of the fireplace the power cord will exit.
  • Page 10 INSTALLATION Relocating Wall Switch (Cont.) INSTALLATION Continued For Mantel Installation If fireplace is to be installed into a mantel, (see Conventional Fireplace Installation, pages 18 and 19) the wall switch may be mounted on either side of the mantel, facing to the side. Do not locate wall switch anywhere on the front face of the mantel.
  • Page 11 INSTALLATION Continued 16. Position switch/plate assembly vertically over wall openings with decal lettering upright (see Figure 13). 17. Insert mounting screws, removed in step 2 of Relocating Wall Switch on pages 9 and 10, through holes in wall plate and into wall anchors.
  • Page 12 INSTALLATION Installing Variable Speed Blower Accessory (Cont.) INSTALLATION Continued 5. Be certain that all wire terminals are securely attached to ter- minals on blower motor and that the screw retaining the green ground wire is tight. 6. Place control knob provided on plastic control shaft of speed control.
  • Page 13 Black Green White 120 Vac. 60 Hz. . 78 Amps DESA International, Bowling Green, KY Figure 17 - Location of Wiring Diagram Decal 3" from Blower Operating the Blower Light your gas appliance with the blower off. After about 15 minutes, turn the blower on to deliver heated air at the top louvers.
  • Page 14 INSTALLATION Installing Thermostatic Blower Accessory (Cont.) INSTALLATION Continued 10. Place control knob provided on plastic control shaft of speed control (see Figure 20). 11. Mount the speed control onto the front leg of the left floor support bracket using 2 screws provided (see Figure 20). WARNING: Failure to connect all wires properly as indicated may cause electrical short circuit or personal injury.

  • Page 15: Installing Gas Piping To Fireplace Location

    Black Green White 120 Vac. 60 Hz. .90 Amps DESA International, Bowling Green, KY Figure 23 - Location of Wiring Diagram Decal 3" from Blower (actual heater may vary from illustration) For more information, visit www.desatech.com For more information, visit www.desatech.com 108117-01H Installing Thermostatic Blower Accessory (Cont.)
  • Page 16 INSTALLATION Installing Gas Piping to Fireplace Location (Cont.) INSTALLATION Continued Installation Items Needed Before installing fireplace, make sure you have the items listed below. • external regulator (supplied by installer, for propane/LP units only) • piping (check local codes) • sealant (resistant to propane/LP gas) •...

  • Page 17: Connecting Fireplace To Gas Supply

    INSTALLATION Continued 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. If fireplace screen and floor are still installed, see Removing Fireplace Screen and Floor Assembly, page 8. 2.

  • Page 18: Conventional Fireplace Installation

    INSTALLATION Checking Gas Connections (Cont.) Conventional Fireplace Installation INSTALLATION Continued Pressure Testing Fireplace Gas Connections 1. Open equipment shutoff valve (see Figure 27). 2. Open main gas valve located on or near gas meter for natural gas or open propane/LP supply tank valve. 3.

  • Page 19: Built-In Fireplace Installation

    INSTALLATION Continued 11. Carefully insert fireplace into cabinet mantel (see Figure 33). Be careful not to scratch or damage hearth base, cabinet man- tel, or any laminate trim on hearth base. Remove protective material from top of hearth base and from front of fireplace (if any).
  • Page 20 INSTALLATION Built-In Fireplace Installation (Cont.) Assembling And Attaching Optional Brass Trim INSTALLATION Continued 8. Attach fireplace to wall studs using nails or wood screws through holes in nailing flange (see Figure 36). 9. Check all gas connections for leaks. See Checking Gas Con- nections, pages 17 and 18.

  • Page 21: Installing Hood

    INSTALLATION Continued Adjusting Side Brass Plate Trim Slot Shim Mitered Edge Figure 38 - Assembling Brass Trim Assembled Brass Trim Figure 39 - Attaching Brass Trim to Fireplace (EFP33PR Shown) INSTALLING HOOD Install hood to top of firebox as shown in Figure 40. Use 3 Phillips screws provided.
  • Page 22 INSTALLATION Installing Logs (CGEFP33PR/CGEFP33NR) (Cont.) Installing Logs (EFP33PR/EFP33NR) INSTALLATION Continued Locate the notches in the bottom of the crossover log (#4). Place the crossover log on top of the middle log and front log. Make sure the notches of the crossover log lines up with rectangular knobs on top of the middle and front logs (see Figure 44).

  • Page 23: Installing Screen

    INSTALLATION Continued INSTALLING BATTERY INTO REMOTE 1. Locate slot at bottom of remote control (see Figure 49). Firmly insert tool such as a small screwdriver, butter knife, or dime into the slot and lift up to remove cover. 2. Insert supplied battery into remote control. Positive and nega- tive are marked inside remote control casing.

  • Page 24: To Turn Off Gas To Appliance

    OPERATING FIREPLACE Normal Lighting Instructions To Turn Off Gas To Appliance OPERATING FIREPLACE Continued NORMAL LIGHTING INSTRUCTIONS WARNING: You must operate this heater with the fireplace screen in place. Make sure fireplace screen is in place before running heater. NOTICE: During initial operation of new heater, burning logs will give off a paper-burning smell.

  • Page 25: Optional Blower Operation

    OPERATING FIREPLACE Continued MANUAL LIGHTING INSTRUCTIONS FOR ELECTRICAL POWER OUTAGE WARNING: You must operate this heater with the fireplace screen in place. Make sure fireplace screen is in place before running heater. NOTICE: During initial operation of new heater, burning logs will give off a paper-burning smell.

  • Page 26: For More Information, Visit Www.desatech.com For More Information, Visit Www.desatech.com

    INSPECTING BURNERS Pilot Flame Pattern Main Burner CLEANING AND MAINTENANCE Cleaning Burner Injector Holder INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often. PILOT FLAME PATTERN Figure 55 shows a correct pilot flame pattern. Figure 56 shows an incorrect pilot flame pattern.

  • Page 27: Specifications

    If so, contact DESA International’s 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 International’s technical service web site at www.desatech.com. CLEANING AND MAINTENANCE Cleaning Pilot Air Inlet Hole...

  • Page 28: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM When buttons on remote control are pressed, there is no response from fireplace When wall switch button is pressed, there is no response from fireplace Burner does not light after ODS/pilot is lit Delayed ignition burner Burner backfiring during combustion Slight smoke or odor during initial operation...
  • Page 29 TROUBLESHOOTING Continued OBSERVED PROBLEM Heater produces a whistling noise when burner is lit When ignitor button is pressed, there is no spark at ODS/pilot (manual ignition mode) When ignitor button is pressed, there is spark at ODS/pilot but no ignition (manual ignition mode) ODS/pilot lights but flame goes out when control knob is released (manual ignition...
  • Page 30 TROUBLESHOOTING 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.

  • Page 31: Wiring Diagram

    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 International at 1-866-672-6040 for referral information. When calling DESA International, have ready •...

  • Page 32: Illustrated Parts Breakdown And Parts List

    ILLUSTRATED PARTS BREAKDOWN Models EFP33PR/NR and CGEFP33PR/NR ILLUSTRATED PARTS BREAKDOWN REMOTE CONTROL LOG BASE ASSEMBLY MODELS EFP33PR/NR AND CGEFP33PR/NR (CGEFP33PR SHOWN) For more information, visit www.desatech.com For more information, visit www.desatech.com 108117-01H...

  • Page 33: Parts List

    PARTS LIST This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replace- ment Parts on page 31 of this manual. ** Not a field replaceable part. For more information, visit www.desatech.com For more information, visit www.desatech.com 108117-01H Models EFP33PR/NR and CGEFP33PR/NR PART NUMBER...
  • Page 34 ILLUSTRATED PARTS BREAKDOWN Models EFP33PR/NR and CGEFP33PR/NR ILLUSTRATED PARTS BREAKDOWN FIREBOX MODELS EFP33PR/NR AND CGEFP33PR/NR For more information, visit www.desatech.com For more information, visit www.desatech.com 108117-01H...
  • Page 35 PARTS LIST FIREBOX MODELS EFP33PR/NR AND CGEFP33PR/NR This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 31 of this manual. ** Not a field replaceable part. For more information, visit www.desatech.com For more information, visit www.desatech.com 108117-01H PART NUMBER...

  • Page 36: Accessories

    Purchase these fireplace accessories from your local dealer. If they can not supply these accessories, call DESA International at 1-866-672-6040 for information. You can also write to the ad- dress listed on the back page of this manual.
  • Page 37 ACCESSORIES Continued CABINET MANTEL ACCESSORY WITH FIREPLACE PERIMETER BRASS TRIM GMC11F Series - Walnut Finished Hardwood Veneer GMC12U Series - Unfinished Hardwood Veneer, Ready to Stain or Paint. GMC13F Series - Medium Stained Oak Veneer GM102W Series - Off-White Paint For all models.
  • Page 38 NOTES NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ For more information, visit www.desatech.com For more information, visit www.desatech.com 108117-01H...
  • Page 39 TEMPLATES " " 3/8" Template 1 - Relocating Wall Switch to Hollow Room Wall For more information, visit www.desatech.com For more information, visit www.desatech.com 108117-01H 3/8" Diameter 2 Holes 3/4" 3/16" Template 2 - Relocating Wall Switch to Side Wall of Mantel 1/8"...
  • Page 40 THIS PAGE INTENTIONALLY LEFT BLANK For more information, visit www.desatech.com For more information, visit www.desatech.com 108117-01H...

  • Page 41: Owner's Registration Form

    Address: City: Home Phone: E-Mail: Please answer the following questions to register your product with DESA International: Where will the product be used? Living/Family Room Office/Warehouse If you bought this product yourself, did you plan to purchase this type of product before going into the store?
  • Page 42 Postage Required 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 For more information, visit www.desatech.com For more information, visit www.desatech.com 108117-01H TAPE...
  • Page 43 NOTES NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ For more information, visit www.desatech.com For more information, visit www.desatech.com 108117-01H...
  • Page 44 For more information, visit www.desatech.com For more information, visit www.desatech.com 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 www.desatech.com 108117 01 NOT A UPC 108117-01 Rev. H 02/03 108117-01H...

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