UNVENTED (VENT-FREE) PROPANE/LP GAS FIREPLACE This appliance may be installed in an aftermarket* manufactured (mobile) home, where not prohibited by state or local codes. * Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer OWNER’S OPERATION AND INSTALLATION MANUAL CGF265PVA AND CGF280PT Shown with optional cabinet mantel and hearth base.
CONTENTS SECTION PAGE Safety Information ................................................................................... 2 Product Identification .............................................................................. 4 Local Codes ............................................................................................. 5 Unpacking................................................................................................ 5 Product Features .............................................
WARNING ICON SAFETY INFORMATION Continued G 001 WARNINGS Continued WARNING: Any change to this fireplace or its controls can be dangerous. 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. 3.
PRODUCT IDENTIFICATION Front Log (#1) Rear Log (#2) Front Burner Rear Burner Left Front Branch (#4) Gas Regulator Base Right Front Branch (#5) Figure 1 - Log Base Assembly Top Louvered Hood Top Outer Casing Firebox Support Rear Access Door Screen Assembly Side Access Door Bottom Louver Assembly 4 Figure 2 - Fireplace 102665
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, 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 UNPACKING 1. Place the carton containing the fireplace unit on its back. Hold fireplace and pull the carton and pallet away.
AIR FOR COMBUSTION AND VENTILATION WARNING ICON G 001 WARNING This heater shall not be installed in a confined space unless provisions are provided for adequate combustion and ventilation air. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home. Today’s homes are built more energy efficient than ever. New materials, increased insulation, and new construction methods help reduce heat loss in homes.
AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING 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.
AIR FOR COMBUSTION AND VENTILATION Continued WARNING ICON G 001 WARNING If the area in which the heater may be operated is smaller than that defined as an unconfined space, provide adequate combustion and ventilation air by one of the methods described in the National Fuel Gas Code, ANSI Z223.1, 1992, Section 5.3. VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space.
INSTALLING NOTICE A qualified service person must install fireplace. Follow all local codes. WARNING ICON G 001 WARNING Never install the fireplace • in a bedroom or bathroom • in a recreational vehicle • where curtains, furniture, clothing, or other flammable objects are less than 36 inches from the front, top, or sides of the fireplace • in high traffic areas • in windy or drafty areas WARNING ICON G 001 CAUTION This fireplace creates warm air currents.
INSTALLING Continued ASSEMBLING AND ATTACHING BRASS TRIM Note: The instructions below show assembling and attaching brass trim to fireplace. Do not yet install brass trim if performing a built-in installation (See Built-In Fireplace Installation, page 13). 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 5. 4.
INSTALLING INSTALLATION CLEARANCES Continued WARNING ICON G 001 WARNING Maintain the minimum clearances. If you can, provide greater clearances from floor, ceiling, and adjoining wall. Carefully follow the instructions below. This will ensure safe installation. Minimum Wall and Ceiling Clearances (see Figure 7) A. Clearances from the side of the fireplace opening to any combustible wall should not be less than 16 inches for a cabinet mantel or 12 inches for a corner installation. B.
INSTALLING Continued 2. Break off nailing flanges (see Figure 8) with hammer or pliers. 3. Place mantel and base in desired location. Place heater in front opening of mantel. Make sure all pieces fit properly. Remove mantel. 4. Mark floor and base or wall for gas line entrance. Make sure there is enough clearance between heater and mantel for gas line. IMPORTANT: Make sure there are no electrical lines where gas piping will go through floor or wall.
INSTALLING Continued 8. Connect fireplace to gas supply (see page 17). 9. Check all gas connections for leaks. See Checking Gas Connections, page 18. 10. After heater is secured, replace mantel on hearth base (see Figure 11). Make sure mantel is flush against wall. Install brass trim (see page 11). Cabinet Mantel Figure 11 - Installing Cabinet Mantel BUILT-IN FIREPLACE INSTALLATION Built-in installation of this fireplace involves installing fireplace into a framed-in enclosure.
INSTALLING If installing in a corner, use dimensions shown in Figure 13 for the rough opening. The height is 33" which is the same as the wall opening, on page 13. Continued 39 3/8" 27 7/8" 35 1/2" 55 5/8" Figure 13 - Rough Opening for Installing in Corner 2. Install gas piping to fireplace location. This installation includes an approved flexible gas line (if allowed by local codes) after the manual shutoff valve. The flexible gas line must be the last item installed on the gas piping.
INSTALLING 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.
INSTALLING Continued The installer must supply an external regulator. The external regulator will reduce incoming gas pressure. You must reduce incoming gas pressure to between 11 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 16. Pointing the vent down protects it from freezing rain or sleet.
INSTALLING A.G.A. Design-Certified Manual Shutoff Valve With 1/8" NPT Tap* Continued Approved Flexible Gas Line 3" Minimum From External Regulator (11" W.C. to 14" W.C. Pressure) Tee Joint Sediment Trap Pipe Nipple Cap Figure 17 - Gas Connection * Purchase the optional A.G.A. design-certified manual shutoff valve from your dealer. See Accessories, page 38.
INSTALLING 4. Route flexible gas line from manual shutoff valve into fireplace through side or rear access panel. Route flexible gas supply line through fireplace access door. Continued NOTICE Most building codes do not permit concealed gas connections. A flexible gas line is provided to allow accessibility from the fireplace. The flexible gas supply line connection to the manual shutoff valve should be accessible. 5.
INSTALLING Continued Test Pressures Equal To or Less Than 1/2 PSIG 1. Close manual shutoff valve (see Figure 20). 2. Pressurize supply piping system by either using compressed air or opening propane/LP supply tank valve. 3. Check all joints from propane/LP supply tank to manual shutoff valve (see Figure 21). Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak. 4. Correct all leaks at once. Pressure Testing Fireplace Gas Connections 1.
INSTALLING INSTALLING LOGS Continued 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. Each log is marked with a number. These numbers will help you identify the log when installing. It is very important to install these logs exactly as instructed. Do not modify logs. Only use logs supplied with heater. 1. Slide front log (#1) into place behind front burner.
INSTALLING WARNING ICON Continued G 001 WARNING You must operate this fireplace with the fireplace screen in place. Make sure fireplace screen is in place before running fireplace. 5. Install fireplace screen by slipping notches of fireplace screen over screws on front of fireplace (see Figure 25).
OPERATING FIREPLACE ThermostatControlled Model Continued LIGHTING INSTRUCTIONS WARNING ICON G 001 WARNING You must operate this fireplace with the fireplace screen in place. Make sure fireplace screen is installed before running fireplace. NOTICE During initial operation of new fireplace, burning logs will give off a paper-burning smell. Orange flame will also be present. Open window to vent smell. Operate fireplace on HI position to burn off odor. This will only last a few hours. 1.
OPERATING FIREPLACE ThermostatControlled Model 8. Turn control knob counterclockwise to desired heating level. The burners should light. Set control knob to any heat level between HI and LO. CAUTION Do not try to adjust heating levels by using the manual shutoff valve. Continued TO TURN OFF GAS TO APPLIANCE Shutting Off Fireplace Turn control knob clockwise to the OFF position. Shutting Off Burners Only (pilot stays lit) Turn control knob clockwise to the PILOT position.
OPERATING FIREPLACE Variable Manually Controlled Model Continued LIGHTING INSTRUCTIONS WARNING ICON WARNING G 001 You must operate this fireplace with the fireplace screen in place. Make sure fireplace screen is installed before running fireplace. NOTICE During initial operation of new fireplace, burning logs will give off a paper-burning smell. Orange flame will also be present. Open window to vent smell. Operate fireplace on HI position to burn off odor. This will only last a few hours. 1.
OPERATING FIREPLACE Variable Manually Controlled Model VARIABLE MANUAL CONTROL OPERATION The variable control valve can be set to any heat setting and flame height desired, by simply turning the control knob until that setting is attained. Even the lowest setting provides realistic flames and glowing embers from two burners. Selecting higher settings produces greater heat output. This results in increased heating comfort.
INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often. PILOT FLAME PATTERN Figure 30 shows a correct pilot flame pattern. Figure 31 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the thermocouple. This will cause the thermocouple to cool. When the thermocouple cools, the fireplace will shut down.
CLEANING AND MAINTENANCE WARNING ICON G 001 WARNING Turn off fireplace and let cool before cleaning. WARNING ICON CAUTION G 001 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, etc.
TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE When ignitor button is pressed, there is spark at ODS/pilot but no ignition 1. Gas supply turned off or manual shutoff valve closed 2. Control knob not in PILOT position 3. Control knob not pressed in while in PILOT position 4. Air in gas lines when installed 5. ODS/pilot is clogged 6. Gas regulator setting is not correct ODS/pilot lights but flame goes out when control knob is released 1. Control knob not fully pressed in 2.
TROUBLESHOOTING Continued OBSERVED POSSIBLE PROBLEM CAUSE One or both burners do 1. Burner orifice(s) not light after ODS/ clogged pilot is lit 2. Burner orifice(s) diameter is too small 3. Inlet gas pressure is too low 4. Mislocated crossover tube Delayed ignition of one or both burners 1. Manifold pressure is too low 2. Burner orifice(s) clogged 3. Mislocated crossover tube Burner backfiring during combustion 1. Burner orifice is clogged or damaged 2. Damaged burner 3.
TROUBLESHOOTING Continued WARNING ICON G 001 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.
SERVICE HINTS When gas pressure is too low • pilot will not stay lit • burners will have delayed ignition • fireplace will not produce specified heat When gas quality is bad • pilot will not stay lit • burners will produce flames and soot • fireplace will backfire when lit You may feel your gas pressure is too low or gas quality is bad. If so, contact your local propane/LP gas supplier. SPECIFICATIONS Btu (Low/High) 20,000/28,000 Type Gas Propane/LP Gas Only Ignition Piezo Manifold Pressure 8" W.
ILLUSTRATED PARTS BREAKDOWN Log Base Assembly Variable Manually Controlled Models 2 1 4 5 7 7-1 7-2 27 13 19 8 18 9 10 8 6 8 23 12 11 8 16 26 22 6 14 6 21 6 24 6 29 15 30 25 20 CGF265PVA 3 31 19 28 17 32 102665
PARTS LIST Log Base Assembly Variable Manually Controlled Models 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. CGF265PVA KEY NO.
ILLUSTRATED PARTS BREAKDOWN Log Base Assembly ThermostatControlled Models 2 1 4 5 7 7-1 7-2 27 19 8 13 9 10 6 8 12 11 8 16 26 6 14 6 3 20 6 18 6 28 15 21 19 24 7-2 13 25 CGF280PT 17 22 23 34 102665
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. Log Base Assembly ThermostatControlled Models CGF280PT KEY NO.
ILLUSTRATED PARTS BREAKDOWN Fireplace 7 1 6 2 15 4 3 16 13 13 16 8 16 16 13 14 5 19 6 18 17 16 16 10 9 11 16 12 36 102665
PARTS LIST Fireplace 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. CGF280PT CGF265PVA KEY NO.
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. If they can’t supply original replacement part(s), call DESA International’s Technical Service Department at 1-800-DESA LOG (1-800-337-2564).
NOTES 39 102665
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.
