UNVENTED (VENT-FREE) GAS FIREPLACE OWNER’S OPERATION AND INSTALLATION MANUAL 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 followed exactly, a fire or explosion may result causing property damage, personal injury, or loss of life.
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 assistance or additional information consult 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 installed. Provisions for adequate combustion and ventilation air must be provided.
SAFETY INFORMATION WARNING: This product contains 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 fireplace. Improper use of this fireplace can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning.
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. 2. Do not place propane/LP supply tank(s) inside any structure. Locate propane/LP supply tank(s) outdoors (propane/LP units only). 3.
PIEZO IGNITION SYSTEM 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. Batterymarch Park Quincy, MA 02269 UNPACKING CAUTION: Do not remove the data plates attached to the heater base assembly.
AIR FOR COMBUSTION AND VENTILATION Continued Exhaust fans, fireplaces, 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. 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.
AIR FOR COMBUSTION AND VENTILATION Continued Example: 40,000 Gas water heater ______________ Btu/Hr + 33,000 Vent-free fireplace ______________ Btu/Hr = 73,000 Total ______________ Btu/Hr 4. Compare the maximum Btu/Hr the space can support with the actual amount of Btu/Hr used.
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 qualified service person must install fireplace. Follow all local codes.
INSTALLATION Continued B. Clearances from the top of the fireplace opening to the ceiling should not be less than 42 inches. Example * *Minimum 16 inches from Side Wall Figure 5 - Minimum Clearance for Combustible to Wall INSTALLATION SEQUENCE After unpacking fireplace (see Unpacking, page 5), we suggest that you install your fireplace system in the following sequence: 1. Removal of fireplace floor assembly (required) 2. Electrical connections for power cord (required) 3.
INSTALLATION Continued 2. Locate power cord. Remove wire tie or tape holding plug end of power cord. 3. Power cord has 2 plastic hole bushings threaded onto it. Route cord's 3-prong plug through the 1.5" diameter hole in appropriate floor support bracket. 4. Push first plastic bushing completely through hole. Squeeze bushing as needed to do this. 5. Install the second plastic bushing into the hole in the floor support bracket by snapping into place. 6. Route the 3-prong plug through the 1.
INSTALLATION Continued 5. Carefully pass wall plate and cord through large elongated hole in rear of either left or right floor support bracket, depending on desired location of switch. Pass wall plate and cord through 1.5" diameter hole in side of fireplace outer casing (see Figure 9). 6. Pull wall plate and cord from fireplace making sure wall switch/plate assembly will reach desired mounting location without straining cord assembly. If you are mounting wall switch to a wall, continue reading.
INSTALLATION Continued Mounting Wall Switch to Side of Mantel 7. Create three openings in the mantel wall according to Template 2, page 39. This is best done by making a pattern to work with on the mantel. Carefully cut page 41/42 from manual and tape paper template vertically onto mantel wall at preferred location. Pierce the paper at the centers of the 2 holes with a nail or sharp pencil, leaving a mark on the wall. Do the same at centers of the four circles near the corners of the rectangle. 8.
INSTALLATION Continued ffO k ca kc lB al B B al kc W ih et 1 01 1/ .V 51 C.A . B al kc hW i et erG ne 108117-01K Figure 16 - Installing Plastic Bushing for Power Cord nO Wiring Diagram WARNING: Never attempt to service heater while it is plugged in, operating, or hot. Burns and electrical shock could result. Only a qualified service person should service or repair heater.
INSTALLATION Continued 12. Reattach fireplace floor assembly with screws removed in step 3 of Removing Fireplace Screen and Floor Assembly, page 9. Note: Discard the remaining hardware items. After assembly, make sure all wires are completely clear of blower wheel. 13. Install logs (see Installing Logs, pages 23 through 25) and fireplace screen (see Installing Screen, page 25).
Lower Rear Wall of Firebox 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. A qualified electrician should check that all connections are made properly.
INSTALLATION Continued 14. Peel off backing paper and stick supplied wiring diagram decal near center of firebox bottom (see Figure 23). 15. If gas connections have been made and checked, replace fireplace floor assembly in fireplace. Feed flexible gas supply line into fireplace base area while replacing fireplace floor assembly. Make sure the entire flexible gas line is in fireplace base area. IMPORTANT: Do not pick up fireplace floor assembly by burners. This could damage burners.
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 24. Pointing the vent down protects it from freezing rain or sleet. INSTALLATION Continued INSTALLING GAS PIPING TO FIREPLACE LOCATION WARNING: A qualified service person must connect fireplace to gas supply. Follow all local codes. WARNING: For propane/LP units, never connect fireplace directly to propane/LP supply.
INSTALLATION Continued We recommend that you install a sediment trap in supply line as shown in Figure 25. Locate sediment trap where it is within reach for cleaning. Install in piping system between fuel supply and fireplace. Locate sediment trap where trapped matter is not likely to freeze. A sediment trap traps moisture and contaminants. This keeps them from going into fireplace gas controls. If sediment trap is not installed or is installed wrong, fireplace may not run properly.
INSTALLATION Continued WARNING: For propane/LP units, make sure external regulator has been installed between propane/LP supply and heater. See guidelines under Installing Gas Piping to Fireplace Location, page 17. Pressure Testing Gas Supply Piping System Test Pressures In Excess Of 1/2 PSIG (3.5 kPa) 1. Disconnect appliance 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 fireplace gas regulator. 2.
INSTALLATION Continued CONVENTIONAL FIREPLACE INSTALLATION Conventional installation of fireplace involves installing fireplace along with corner, face, or cabinet mantel with hearth base accessories against a wall in your home. Follow instructions below to install fireplace in this manner. Note: The instructions below show installation using the cabinet mantel and hearth base accessories (see Accessories, page 41. The hearth base accessory shown is optional for this installation.
INSTALLATION Continued 12. Check all gas connections for leaks. See Checking Gas Connections, pages 18 and 19. 4. Carefully set fireplace in front of rough opening with back of fireplace inside wall opening. 5. Attach flexible gas line to gas supply. See Connecting Fireplace to Gas Supply, page 18. 6. Plug electrical cord(s) into electrical outlet installed in step 2. 7. Carefully insert fireplace into rough opening. 8.
INSTALLATION Continued Mantel Clearances for Built-In Installation If placing mantel above built-in fireplace, you must meet minimum clearance between mantel shelf and top of fireplace opening. NOTICE: Surface temperatures of adjacent walls and mantels become hot during operation. Walls and mantels above the firebox 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.
INSTALLATION Continued INSTALLING HOOD Install hood to top of firebox as shown in Figure 40. Use 3 Phillips screws provided. Figure 40 - Installing Hood to Firebox (EFP33PR Shown) INSTALLING LOGS (CGEFP33PR/ CGEFP33NR) WARNING: Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury. CAUTION: Do not remove the warning and instruction labels attached to the heater base assembly.
INSTALLATION Continued Front Log (#3) Recess Post Post Figure 43 - Installing Front Log (#3) Crossover Log (#4) CAUTION: After installation and periodically thereafter, check to ensure that no flame comes in contact with any log. With the heater set to HIGH, check to see if flames contact any log. If so, reposition logs according to the log installation instructions in this manual. Flames contacting logs will create soot. Each log is marked with a number.
INSTALLING BATTERY INTO REMOTE INSTALLATION Continued 3. Locate the notches in the bottom of the front log (#3). Place the front log on the grate fingers. Make sure the notches of the front log line up with the grate fingers (see Figure 47). 4. Place crossover log (#4) onto the peg (right) on back log (#2) and into the recess of the middle log (#1) (see Figure 48). Front Log (#3) Notches 1. Locate slot at bottom of remote control (see Figure 49).
OPERATING FIREPLACE FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance has a pilot which lights automatically when using the supplied wall switch or remote control. If you have a power outage, the pilot may be lighted by hand with push-button piezo ignitor. When lighting the pilot, the following warnings must be followed. B.
TO TURN OFF GAS TO APPLIANCE OPERATING FIREPLACE Continued Pilot Burner Manual Ignitor Electrode Automatic Ignitor Electrode Figure 52 - Pilot (Natural Gas) Manual Ignitor Pilot Electrode Automatic Burner Ignitor Electrode Figure 53 - Pilot (Propane/LP Gas) 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.
OPERATING FIREPLACE Continued 4. Place the magnetic manual override handle, provided with this unit, on the end of the gas valve stem (see Figure 54, page 27). 5. Turn the override handle fully counterclockwise to the PILOT position. The handle will not stop but will begin to slip when you have fully turned to the PILOT position. 6. While holding the valve handle in the PILOT position, press and release piezo ignitor button (see Figure 54, page 27). This will light the pilot.
CLEANING AND MAINTENANCE WARNING: Turn off fireplace and let cool before cleaning. CAUTION: You must keep control areas, burners, and circulating air passageways of fireplace clean. Inspect these areas of fireplace before each use. Have fireplace inspected yearly by a qualified service person. Fireplace may need more frequent cleaning due to excessive lint from carpeting, bedding material, pet hair, etc.
TROUBLESHOOTING Note: All troubleshooting items are listed in order of operation. 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. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When buttons on remote control are pressed, there is no response from fireplace 1. Battery in remote control is either missing or has low power 2.
TROUBLESHOOTING OBSERVED PROBLEM Slight smoke or odor during initial operation Continued POSSIBLE CAUSE 1. Not enough air REMEDY 2. Gas regulator defective 3. Residues from manufacturing processes and logs curing 1. Check burner for dirt and debris. If found, clean burner (see Cleaning and Maintenance, page 29) 2. Replace regulator 3. Problem will stop after a few hours of operation Moisture/condensation noticed on windows 1. Not enough combustion/ventilation air 1.
TROUBLESHOOTING OBSERVED PROBLEM ODS/pilot lights but flame goes out when control knob is released (manual ignition mode) Fireplace produces a clicking/ ticking noise just after burners are lit or shut off Continued POSSIBLE CAUSE REMEDY 1. Control knob not fully turned counterclockwise 2. Control knob not held long enough 3. Equipment shutoff valve not fully open 4. Pilot flame not touching thermocouple, which allows thermocouple to cool, causing pilot flame to go out.
TROUBLESHOOTING OBSERVED PROBLEM Gas odor even when wall switch and remote control buttons and switches are in OFF position Continued POSSIBLE CAUSE 1. Gas leak. See Warning statement on page 33 2. Control valve defective REMEDY 1. Locate and correct all leaks (see Checking Gas Connections, pages 18 and 19) 2. Replace control valve Gas odor during combustion 1. Foreign matter between control valve and burner 2. Gas leak. See Warning statement on page 33 1.
ILLUSTRATED PARTS BREAKDOWN REMOTE CONTROL LOG BASE ASSEMBLY MODELS EFP33PR/NR AND CGEFP33PR/NR (CGEFP33PR SHOWN) 1 2 3 5 7 6 10 4 27 11 9 38 26 12 13 14 15 32 36 42 35 19 37 21 18 20 22 33 16 41 23 31 44 30 40 28 25 17 43 34 24 8 13 39 29 34 www.desatech.
PARTS LIST This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 38 of this manual. KEY NO.
ILLUSTRATED PARTS BREAKDOWN FIREBOX MODELS EFP33PR/NR AND CGEFP33PR/NR 6 1 7 2 10 14 9 9 14 12 5 14 14 19 13 5 4 3 14 15 16 8 14 11 36 www.desatech.
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 38 of this manual. KEY NO.
SPECIFICATIONS Btu (Variable) Type Gas 20,000/33,000 Natural: (CG)EFP33NR Propane/LP: (CG)EFP33PR Ignition Electronic (Automatic)/ Piezo (Manual) Natural Gas Propane/LP Gas Manifold Pressure 3.5" W.C. 8.0" W.C. Inlet Gas Pressure (in. of water) Maximum 10.5" 14" Minimum* 5" 11" Shipping Weight 122 lbs. 122 lbs.
TEMPLATES 3/8" Diameter 2 Holes 1/8" Diameter 2 Holes 3/4" 3/4" CUT HERE 4 3/ 4" 4 3/ 4 " 3 3/4" 3 3/4" 3/8" 3/8" 3/16" Template 1 - Relocating Wall Switch to Hollow Room Wall 108117-01K Template 2 - Relocating Wall Switch to Side Wall of Mantel www.desatech.
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ACCESSORIES NOTICE: All accessories may not be available for all fireplace models. Purchase these fireplace accessories from your local dealer. If they can not supply these accessories, call DESA Heating Products at 1-866-672-6040 for information. You can also write to the address listed on the back page of this manual. CLEANING KIT - CCK/GCK (Not Shown) For all models. Your vent-free gas appliance requires regular cleaning and maintenance to prevent performance problems.
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2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 www.desatech.com 108117 01 NOT A UPC 108117-01 Rev.
