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UNVENTED (VENT-FREE) GAS FIREPLACE
OWNER'S OPERATION AND INSTALLATION MANUAL
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.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
For more information, visit www.desatech.com
CGEFP33PRB, CGEFP33NRB
EFP33PRB, EFP33NRB
Shown with optional
hearth/base accessory.

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Summary of Contents for Desa CGEFP33PRB

  • Page 1 UNVENTED (VENT-FREE) GAS FIREPLACE OWNER’S OPERATION AND INSTALLATION MANUAL Shown with optional hearth/base accessory. CGEFP33PRB, CGEFP33NRB EFP33PRB, EFP33NRB 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 ..........2 Troubleshooting ..........30 Product Identification ........... 4 Specifications ............ 33 Local Codes............5 Service Hints ............. 33 Unpacking............5 Technical Service..........33 Product Features ..........5 Illustrated Parts Breakdown and Parts List..34 Air for Combustion and Ventilation ......
  • Page 3 SAFETy INFORMATION Do not place clothing or other Continued flammable material on or near the appliance. Never place any DANGER: Carbon monoxide objects on the heater. poisoning may lead to death! Fireplace front and screen be- Early signs of carbon Carbon Monoxide Poisoning: come very hot when running fire- monoxide poisoning resemble the flu, with head-...
  • Page 4: Product Identification

    SAFETy INFORMATION PRODUCT Continued IDENTIFICATION 4. This fireplace shall not be installed in a bed- room or bathroom. Log Set 5. Do not use this fireplace as a wood-burning fireplace. Use only the logs provided with the fireplace. 6. Do not add extra logs or ornaments such as pine cones, vermiculite or rock wool.
  • Page 5: Local Codes

    LOCAL CODES PRODUCT FEATURES Install and use fireplace with care. Follow all local OPERATION codes. In the absence of local codes, use the lat- This vent-free fireplace is clean burning. It requires est edition of The National Fuel Gas Code, ANSI no outside venting.
  • Page 6: Air For Combustion And Ventilation

    AIR FOR COMBUSTION Unusually tight construction is defined as construction where: AND VENTILATION a. walls and ceilings exposed to the out- side atmosphere have a continuous WARNING: This heater shall water vapor retarder with a rating of not be installed in a confined one perm (6 x 10 kg per pa-sec-m ) or...
  • Page 7: Combustion And Ventilation Air

    C. Install a lower Btu/Hr fireplace, if lower Btu/Hr AIR FOR COMBUSTION size makes room unconfined. AND VENTILATION If the actual Btu/Hr used is less than the maximum Continued Btu/Hr the space can support, the space is an un- confined space. You will need no additional fresh Determine the volume of the space (length x air ventilation.
  • Page 8: Installation

    AIR FOR COMBUSTION WARNING: Never install the AND VENTILATION fireplace Continued • in a bedroom or bathroom ventilation Air From Outdoors • in a recreational vehicle Provide extra fresh air by using ventilation grills or • where curtains, furniture, ducts. You must provide two permanent openings: clothing or other flammable one within 12"...
  • Page 9 INSTALLATION Continued WARNING: This appliance is Example only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases. WARNING: This appliance *Minimum 16" from Side Wall is equipped for natural or pro- Figure 5 - Minimum Clearance for pane/LP gas.
  • Page 10 4. Push first plastic bushing completely through INSTALLATION hole. Squeeze bushing as needed to do this. Continued 5. Install the second plastic bushing into the 3. Remove screws that attach fireplace floor as- hole in the floor support bracket by snapping sembly to fireplace.
  • Page 11 4. Remove wall switch assembly from bracket. INSTALLATION 5. Carefully pass wall switch assembly and cord Continued through large elongated hole in rear of either Note: If you choose to relocate the wall switch left or right floor support bracket, depending on assembly, do so before final installation into a desired location of switch.
  • Page 12 16. Position wall switch assembly vertically over INSTALLATION wall openings with decal lettering upright (see Continued Figure 13). 8. Remove paper template from wall. 17. Insert mounting screws, removed in step 9. Drill 3/8" holes at each mark. 2 of Relocating Wall Switch Assembly on 10.
  • Page 13 on the exit side (see Figure 16). Install the INSTALLATION second plastic bushing provided into the Continued 1.5" hole in the outer casing through which 13. Position wall switch assembly vertically over the power cord will exit. Route power cord opening with decal lettering upright.
  • Page 14 INSTALLATION WARNING: Failure to position Continued the parts in accordance with sup- 9. Check to make sure that all electrical cords plied diagrams or failure to use are completely clear of the blower wheel only parts specifically approved and that there are no other foreign objects in with this heater may result in blower wheel.
  • Page 15 7. Firmly attach red wire from the thermostatic INSTALLATION switch and cover assembly to either of the ter- Continued minals on the blower motor (see Figure 18). INSTALLING THERMOSTATIC 8. Firmly attach black wire from speed control cord to blue wire from thermostatic switch BLOWER ACCESSORY and cover assembly (see Figure 18).
  • Page 16: 2 Www.desatech.com

    INSTALLATION Continued WARNING: Failure to connect all wires properly as indicated may cause electrical short circuit or personal injury. A qualified Right Floor Plastic electrician should check that all Support Bushing connections are made properly. Bracket Figure 21 - Installing Plastic Bushing for 12.
  • Page 17 INSTALLATION INSTALLING GAS PIPING TO FIREPLACE LOCATION Continued 16. Reattach fireplace floor assembly with WARNING: A qualified screws removed in step 3 of Removing Fire- service person must connect place Screen and Floor Assembly, page 9. fireplace to gas supply. Follow Note: Discard the remaining hardware items.
  • Page 18 We recommend that you install a sediment trap in INSTALLATION supply line as shown in Figure 25. Locate sediment Continued trap where it is within reach for cleaning. Install in piping system between fuel supply and fireplace. CAUTION: Use only new, Locate sediment trap where trapped matter is not likely to freeze.
  • Page 19 INSTALLATION WARNING: For propane/LP Continued units, make sure external regula- 3. Attach the flexible gas line to gas supply (see tor has been installed between Figure 26). Check tightness of flexible gas propane/LP supply and heater. line attached to gas regulator of fireplace (see Figure 26).
  • Page 20 INSTALLATION CONVENTIONAL FIREPLACE INSTALLATION Continued Conventional installation of fireplace involves in- PRESSURE TESTING FIREPLACE GAS stalling fireplace along with corner, face or cabinet CONNECTIONS mantel with hearth base accessories against a wall 1. Open equipment shutoff valve (see Figure 27, in your home.
  • Page 21 11. Place metal trim on shoulder screws located INSTALLATION on the side and top of the fireplace (see Assem- Continued bling Perimeter Trim). Firmly snap trim over 8. Route electrical cord(s) through access holes shoulder screws. Align fireplace in mantel in either side of fireplace with bushing.
  • Page 22 INSTALLATION Nails or Wood Continued Screws 3. If not already completed, install gas piping to fireplace location. This installation includes an approved flexible gas line (if allowed by local codes) after the equipment shutoff valve. The flexible gas line must be the last item installed on the gas piping.
  • Page 23: Installing Hood

    INSTALLATION Top Brass Trim Side Brass Continued Trim Adjusting Set Screws Plate Mantel Shelf Wall board or facing Slot 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.
  • Page 24 INSTALLATION Back Continued Log (#3) INSTALLING LOGS WARNING: Failure to position Hole in the parts in accordance with these Grate Base diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury. Burner CAUTION: Do not remove the warning and instruction labels...
  • Page 25: Operating Fireplace

    INSTALLATION Continued Crossover Crossover Log (#5) Log (#4) Screws for Pins Mounting Screen Notches Figure 46 - Installing Fireplace Screen Figure 44 - Installing Crossover OPERATING FIREPLACE Logs (#4 & #5) [CGEFP Logs Shown] FOR YOUR SAFETY INSTALLING BATTERY INTO READ BEFORE LIGHTING REMOTE 1.
  • Page 26 OPERATING FIREPLACE 3. When pilot flame is lit, the thermocouple is heated by the flame. When thermocouple Continued becomes hot (5 to 15 seconds), main burner D. Do not use this appliance if any part has been will automatically light on high flame. under water.
  • Page 27 OPERATING FIREPLACE NOTICE: During initial operation Continued of new heater, burning logs will 3. Point remote control toward the lower give off a paper-burning smell. front of fireplace and push both buttons Open damper or window to vent at the same time. Hold for 6 seconds. The smell.
  • Page 28: Inspecting Burners

    INSPECTING BURNERS OPERATING FIREPLACE Check pilot flame pattern and burner flame pat- Continued terns often. 7. When pilot flame is lit, hold manual over- ride handle until thermocouple heats (ap- PILOT FLAME PATTERN proximately 5 to 15 seconds). If pilot goes Figure 51 shows a correct pilot flame pattern.
  • Page 29: Cleaning And Maintenance

    CLEANING AND Burner Injector Holder Tube MAINTENANCE WARNING: Turn off fireplace and let cool before cleaning. CAUTION: You must keep control areas, burners and Primary Air Holes circulating air passageways of fireplace clean. Inspect these Figure 53 - Injector Holder On Outlet Burner Tube areas of fireplace before each use.
  • Page 30: Troubleshooting

    TROUBLEShOOTING WARNING: Turn off heater and let cool before servicing. Only a qualified 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 POSSIBLE CAUSE REMEDY...
  • Page 31 TROUBLEShOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Slight smoke or odor during initial 1. Not enough air 1. Check burner for dirt and operation debris. If found, clean burner (see Cleaning and Mainte- nance, page 29) 2. Gas regulator defective 2.
  • Page 32 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. Fol- low the gas supplier’s instructions.
  • Page 33: Specifications

    1-866-672-6040. When calling please have your • Ignition: Electronic (Automatic), model and serial numbers of your heater ready. Piezo (Manual) You can also visit DESA Heating Products’ techni- • Manifold Pressure: 8.0" W.C. cal service web site at • Inlet Gas Pressure (in. of water): www.desatech.com...
  • Page 34: Illustrated Parts Breakdown And Parts List

    ILLUSTRATED PARTS BREAkDOWN REMOTE CONTROL LOG BASE ASSEMBLY MODELS CGEFP33PRB AND CGEFP33NRB (CGEFP33PRB SHOWN) www.desatech.com 111245-01C...
  • Page 35 PARTS LIST REMOTE CONTROL LOG BASE ASSEMBLY This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 40 of this manual. PART NUMBER CGEFP33PRB CGEFP33NRB DESCRIPTION QTY. 111625-04 111625-04...
  • Page 36 ILLUSTRATED PARTS BREAkDOWN REMOTE CONTROL LOG BASE ASSEMBLY MODELS EFP33PRB AND EFP33NRB (EFP33PRB SHOWN) www.desatech.com 111245-01C...
  • Page 37 PARTS LIST REMOTE CONTROL LOG BASE ASSEMBLY This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 40 of this manual. PART NUMBER EFP33PRB EFP33NRB DESCRIPTION QTY. 111625-04 111625-04 Back Log (#1) 111625-03 111625-03...
  • Page 38 ILLUSTRATED PARTS BREAkDOWN FIREBOx MODELS CGEFP33PRB, CGEFP33NRB, EFP33PRB AND EFP33NRB www.desatech.com 111245-01C...
  • Page 39 PARTS LIST FIREBOx MODELS CGEFP33PRB, CGEFP33NRB, EFP33PRB AND EFP33NRB This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 40 of this manual. PART NO. DESCRIPTION QTY. Top Outer Casing...
  • Page 40: Replacement Parts

    Parts Central (see page 43). If they replaced under warranty. can not supply these accessories, call DESA Heat- ing Products at 1-866-672-6040 for information. PARTS UNDER WARRANTY You can also write to the address listed on the back Contact authorized dealers of this product.
  • Page 41 ACCESSORIES CABINET MANTEL AND FULL HEARTH BASE (Not Shown) Continued W32AU - Unfinished Oak, Traditional BRASS TRIM ACCESSORY - GA7090 W32AOS - Oak Finished, Traditional (Not Shown) CMA311WA - Painted White, Traditional For all models. Optional with built-in installation. with Dentil Molding Provides a finished appearance covering rough CMA306FA - Oak Finished, Traditional and/or unfinished mantel or wall opening, edges,...
  • Page 42: Wiring Diagram

    WIRING DIAGRAM Note: For proper operation, the wires must be connected exactly as shown in wiring diagram. See pages 35 or 37 for number key. www.desatech.com 111245-01C...
  • Page 43: Templates

    TEMPLATES 3/8" Diameter 1/8" Diameter 2 Holes 2 Holes 3/4" 3/4" " " " " 3/8" 3/8" 3/16" 111245-01C www.desatech.com...
  • Page 44 ThIS PAGE INTENTIONALLy LEFT BLANk www.desatech.com 111245-01C...
  • Page 45: Parts Central

    PARTS CENTRAL These Parts Centrals are privately owned businesses. They have agreed to support our customer’s needs by providing original replacement parts and accessories. Tool & Equip. Co. Washer Equipment Co. 5 Manila Ave. 115 Main Street Hamden, CT 06514-0322 Kansas City, MO 64108-2195 1-800-39-553 KS, MO, AR...
  • Page 46 NOTES ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ www.desatech.com 111245-01C...
  • Page 47 NOTES ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ 111245-01C www.desatech.com...
  • Page 48 201 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 www.desatech.com 111245-01 Rev. C 111245 01 06/06 NOT A UPC...

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