UNVENTED (VENT-FREE) NATURAL GAS FIREPLACE OWNER’S OPERATION AND INSTALLATION MANUAL CGEFP33NR 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. — 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.
UNVENTED NATURAL GAS FIREPLACE SAFETY INFORMATION Due to high temperatures, the appliance should be located out of traffic and away from furniture and draperies. WARNINGS Do not place clothing or other flammable material on or near the appliance. Never place any objects on the heater. IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, operate, or service this fireplace.
OWNER’S MANUAL PRODUCT IDENTIFICATION LOCAL CODES Log Set 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, ANS Z223.1, also known as 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 Manual Override Handle Remote Control UNPACKING Piezo Ignitor 1.
UNVENTED NATURAL GAS FIREPLACE PRODUCT FEATURES OPERATION This vent-free fireplace is clean burning. It requires no outside venting. There is no heat loss out a vent or up a chimney. Heat is generated by realistic flames. When used without the blower in “manual ignition” mode, the fireplace requires no electricity to operate, making it ideal for emergency backup heat. SAFETY DEVICE This fireplace has a pilot with an Oxygen Depletion Sensing (ODS) safety shutoff system.
OWNER’S MANUAL AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH-AIR FLOW FOR FIREPLACE 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 fireplace plus any adjoining rooms with doorless passageways or ventilation grills between the rooms. 1. Determine the volume of the space (length x width x height). Length x Width x Height = _________________ cu. ft.
UNVENTED NATURAL GAS FIREPLACE AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building 12" Ventilation Grills Into Adjoining Room, Option 1 This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined space, you must provide two permanent openings: one within 12" of the ceiling and one within 12" of the floor on the wall connecting the two spaces (see options 1 and 2, Figure 3).
OWNER’S MANUAL 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.
UNVENTED NATURAL GAS FIREPLACE INSTALLATION Continued INSTALLATION SEQUENCE After unpacking fireplace (see UNPACKING, page 3), 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. Relocating wall switch (optional) 4. Installing blower accessory (optional) 5. Connecting fireplace to gas supply (required) 6. Checking gas connections (required) 7.
OWNER’S MANUAL INSTALLATION Continued CAUTION: The wall switch must never be mounted directly above the fireplace where heat may damage it. If you relocate wall switch from lower fireplace cavity, it must be mounted either on side wall of mantel or on wall to side of fireplace. Burner Outlet Tube Wire Tie Gas Control Valve Switch with Wall Plate Figure 8 - Relocating Switch and Wall Plate 5.
UNVENTED NATURAL GAS FIREPLACE 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 page 9, through holes in wall plate and into wall anchors. 18. Tighten screws until wall plate is firmly attached to wall. Do not overtighten. Opening in Wall or Mantel Wall Wall Plate/ Switch Screws Figure 13 - Securing Wall Switch 10.
OWNER’S MANUAL INSTALLATION 9. Continued 8. Plug in blower power cord. a. If your fireplace system is installed as a freestanding unit with an accessory mantel, determine whether the power cord will exit the left side or the right side of the firebox. Install 1 plastic bushing provided into the 1.5" hole in the floor support bracket on the exit side (see Figure 16). Install the second plastic bushing provided into the 1.5" hole in the outer casing through which the power cord will exit.
UNVENTED NATURAL GAS FIREPLACE INSTALLATION Continued INSTALLING THERMOSTATIC BLOWER ACCESSORY NOTICE: Shut-off gas supply and disconnect heater from gas supply if installing blower in previously installed fireplace. Contact a qualified service person to do this. 1. 2. 3. If fireplace screen and floor are still installed, see Removing Fireplace Screen and Floor Assembly, page 8. Using screw provided, attach green ground wire from speed control cord to blower housing.
OWNER’S MANUAL INSTALLATION Continued 13. Check to make sure that the power cord and all wires are completely clear of the blower wheel and that there are no other foreign objects in blower wheel. WARNING: Never touch the blower wheel while in operation. 14. Peel off backing paper and stick supplied wiring diagram decal near center of firebox bottom (see Figure 23).
UNVENTED NATURAL GAS FIREPLACE Continued INSTALLING GAS PIPING TO FIREPLACE LOCATION WARNING: A qualified service person must connect fireplace to gas supply. Follow all local codes. Installation Items Needed Before installing fireplace, make sure you have the items listed below.
OWNER’S MANUAL INSTALLATION 3. Continued CHECKING GAS CONNECTIONS WARNING: Test all gas piping and connections for leaks after installing or servicing. Correct all leaks at once. 4. Pressure Testing Fireplace Gas Connections 1. 2. WARNING: Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints. Bubbles forming show a leak. Correct all leaks at once. 3. 4. Pressure Testing Gas Supply Piping System Test Pressures In Excess Of 1/2 PSIG (3.5 kPa) 1. 2. 3.
UNVENTED NATURAL GAS FIREPLACE BUILT-IN FIREPLACE INSTALLATION INSTALLATION Continued 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. See Installing Gas Piping to Fireplace Location, page 14. 4. Place hearth base accessory against wall at installation location.
OWNER’S MANUAL INSTALLATION Continued 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 14. 6. Plug electrical cord(s) into electrical outlet installed in step 2. 7. Carefully insert fireplace into rough opening. 8. Attach fireplace to wall studs using nails or wood screws through holes in nailing flange (see Figure 34). 9. Check all gas connections for leaks.
UNVENTED NATURAL GAS FIREPLACE INSTALLATION 1. Trim Hanging Screws Continued ASSEMBLING AND ATTACHING OPTIONAL BRASS TRIM (Included with Mantel Accessory) Hanging Notches on Trim INote: The instructions below show assembling and attaching brass trim to fireplace. 1. Remove packaging from three pieces of brass trim. 2. Locate four brass screws, two adjusting plates with set screws, and two shims in the hardware packet. 3. Align shim under adjusting plate as shown in Figure 36. 4.
OWNER’S MANUAL INSTALLATION 4. Continued 4. 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 42). Front Log (#3) Recess Post Post Figure 41 - Installing Front Log (#3) Crossover Log (#4) CAUTION: Do not remove the warning and instruction labels attached to the heater base assembly.
UNVENTED NATURAL GAS FIREPLACE INSTALLATION Continued INSTALLING SCREEN WARNING: You must operate this fireplace with the fireplace screen in place. Make sure fireplace screen is in place before running fireplace. Install fireplace screen by slipping notches of fireplace screen over screws on front of fireplace (see Figure 47). Notches Screws for Mounting Screen Figure 47 - Installing Fireplace Screen INSTALLING BATTERY INTO REMOTE 1. 2. 3. Locate slot at bottom of remote control (see Figure 48).
OWNER’S MANUAL OPERATING FIREPLACE 3. Continued 4. To lower flame, push HI/LO button on wall switch once. Note: This fireplace does not have a pilot-only mode. CAUTION: Do not try to adjust heating levels by using the equipment shutoff valve. Pilot Burner Manual Ignitor Electrode Automatic Ignitor Electrode 4. Figure 49 - Pilot Manual Ignition Bypass Switch (Up is for Remote Control) 5. ON/OFF Button MANUAL IGNITION ON OFF HI LO HI/LO Button LED Wall Switch Figure 50 - Control Locations B.
UNVENTED NATURAL GAS FIREPLACE OPERATING FIREPLACE Continued 5. 6. 7. 8. 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. While holding the valve handle in the PILOT position, press and release piezo ignitor button (see Figure 50, page 21). This will light the pilot. If needed, keep pressing ignitor button until pilot lights.
OWNER’S MANUAL CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burner, and circulating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qualified service person. Heater may need more frequent cleaning due to excessive lint from carpeting, bedding material, pet hair, etc. 6. In case any large clumps of dust have now been pushed into the burner repeat steps 3 and 4.
UNVENTED NATURAL GAS FIREPLACE TROUBLESHOOTING Note: For additional help, visit DESA International’s technical service web site at www.desatech.com. 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.
OWNER’S MANUAL TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Heater produces a whistling noise when burner is lit 1. Turning control knob to HI position when burner is cold 2. Air in gas line 1. Turn control knob to LO position and let warm up for a minute 2. Operate burner until air is removed from line. Have gas line checked by local natural gas company 3. Observe minimum installation clearances (see pages 8 through 10) 4.
UNVENTED NATURAL GAS FIREPLACE 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. • If you cannot reach your gas supplier, call the fire department. IMPORTANT: Operating fireplace where impurities in air exist may create odors.
OWNER’S MANUAL WIRING DIAGRAM Note: For proper operation, the wires must be connected exactly as shown in wiring diagram. See page 31 for number key. 20 40 31 39 27 5 18 30 37 43 17 35 36 107569 27 For more information, visit www.desatech.
UNVENTED NATURAL GAS FIREPLACE SPECIFICATIONS Btu (Variable) Type Gas Ignition Pressure Manifold Inlet Gas Pressure (in. of water) Shipping Weight * For input adjustment 20,000/33,000 Natural Gas Only Electronic (Automatic)/Piezo (Manual) 3.5" W.C. Maximum Minimum* 122 lbs. 10.5" 5" REPLACEMENT PARTS Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty. PARTS UNDER WARRANTY Contact authorized dealers of this product.
OWNER’S MANUAL PARTS DEALERS These Parts Dealers are privately owned businesses. They have agreed to support our customer’s needs by providing original replacement parts and accessories. Baltimore Electric Washer Equipment Co. LA Porte’s Parts & Service 1348 Dixwell Avenue Hamden, CT 06514-0322 1-800-397-7553 203-248-7553 Parts Department 1715 Main Street Kansas City, MO 64108-2195 KS, MO, AR 816-842-3911 www.washerparts.com 2444 N.
UNVENTED NATURAL GAS FIREPLACE ILLUSTRATED PARTS BREAKDOWN 2 REMOTE CONTROL FIREPLACE EFP33NR AND CGEFP33NR (LOGS FOR CGEFP33NR SHOWN) 4 1 5 6 7 10 26 27 11 9 38 12 13 3 14 15 32 36 42 35 19 37 21 18 20 22 16 41 23 33 44 30 31 40 28 25 17 43 24 8 34 13 39 29 For more information, visit www.desatech.
OWNER’S MANUAL PARTS LIST REMOTE CONTROL FIREPLACE EFP33NR AND CGEFP33NR 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. KEY NO.
UNVENTED NATURAL GAS FIREPLACE ILLUSTRATED PARTS BREAKDOWN 6 1 FIREBOX 7 2 10 14 9 9 14 12 5 14 14 19 13 5 4 3 14 15 16 8 14 11 For more information, visit www.desatech.
OWNER’S MANUAL 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. FIREBOX KEY NO.
UNVENTED NATURAL GAS FIREPLACE CORNER MANTEL ACCESSORY WITH FIREPLACE PERIMETER BRASS TRIM (Not Shown) ACCESSORIES Purchase these fireplace accessories from your local dealer or Parts Dealers list on page 29. If they can not supply these accessories, call DESA International’s Sales Department at 1-800-458-2472 for referral information. You can also write to the address listed on the back page of this manual.
OWNER’S MANUAL 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 107569 35 Template 2 - Relocating Wall Switch to Side Wall of Mantel For more information, visit www.desatech.
UNVENTED NATURAL GAS FIREPLACE THIS PAGE INTENTIONALLY LEFT BLANK For more information, visit www.desatech.
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WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No. Date Purchased Always specify model and serial numbers when communicating with the factory. We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard written warranty. We make no other warranty, expressed or implied.
