UNVENTED (VENT-FREE) Gas Compact Classic Hearth® DUAL BURNER Fireplace OWNER’S OPERATION AND INSTALLATION MANUAL Shown with Optional Cabinet Mantel/Hearth Base Accessory Thermostat Models VDCFTNB and VDCFTPB Remote-Ready Models VDCFRPB AND VDCFRNB 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.
Table of Contents Safety Information................................................ 2 Product Identification............................................ 4 Optional Remote Control Accessories.................. 4 Local Codes......................................................... 5 Product Features.................................................. 5 Unpacking............................................................ 5 Hood Assembly....................................................
SAFETY INFORMATION Continued DANGER: Carbon monoxide poisoning may lead to death! Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning resemble the flu, with headaches, dizziness or nausea. If you have these signs, the fireplace may not be working properly. Get fresh air at once! Have fireplace serviced. Some people are more affected by carbon monoxide than others.
SAFETY INFORMATION Product Identification Continued Hood Screen Log Ignitor Button Control Knob Fireplace Cabinet Hood Logs H L O N O F P ILOT Remote Control (Optional) I Ignitor Button F Fireplace Cabinet O 6. Do not add extra logs or ornaments such as pine cones, vermiculite or rock wool. Using these added items can cause sooting. Do not add lava rock around base. Rock and debris could fall into the control area of fireplace. 7. This fireplace is designed to be smokeless.
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 State of Massachusetts: The installation must be made by a licensed plumber or gas fitter in the Commonwealth of Massachusetts.
Hood Assembly Continued 3. An optional blower is available. See Accessories, page 40. Install optional blower now. Follow installation instructions provided with blower and see page 14 or 15, depending on your installation. 4. Locate four black phillips sheet metal screws in hardware packet. 5. Slide hood between louver and firebox top and align screw holes. 6. Insert screws as shown in Figure 3. Tighten screws firmly.
AIR FOR COMBUSTION AND VENTILATION Continued Confined and Unconfined Space The National Fuel Gas Code, ANSI Z223.1/NFPA 54 defines a confined space as a space whose volume is less than 50 cubic feet per 1,000 Btu per hour (4.8 m3 per kw) of the aggregate input rating of all appliances installed in that space and an unconfined space as a space whose volume is not less than 50 cubic feet per 1,000 Btu per hour (4.8 m3 per kw) of the aggregate input rating of all appliances installed in that space.
AIR FOR COMBUSTION AND VENTILATION Continued Ventilation Air From Inside Building 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 4). You can also remove door into adjoining room (see option 3, Figure 4). Follow the National Fuel Gas Code, ANSI Z223.1/NFPA 54, Section 5.
INSTALLATION Continued WARNING: Never install in a bedroom or bathroom. Any heating product with a Btu/Hr rating over 10,000 cannot be used in a bedroom. CAUTION: This fireplace creates warm air currents. These currents move heat to wall surfaces next to fireplace. Installing fireplace next to vinyl or cloth wall coverings or operating fireplace where impurities (such as, but not limited to, tobacco smoke, aromatic candles, cleaning fluids, oil or kerosene lamps, etc.
INSTALLATION MINIMUM CLEARANCE TO COMBUSTIBLE MATERIALS Continued If your fireplace is to be recessed into the wall, see Built-In Fireplace Installation on page 10 to secure your fireplace into the wall. CAUTION: If you install the fireplace in a home garage • fireplace pilot and burner must be at least 18" above floor. • locate fireplace where moving vehicle will not hit it.
INSTALLATION Continued 2. If installing GA3450TA blower accessory, do so at this time. Follow instructions included with blower accessory. Note: If not installing blower accessory, you may wish to run electrical wiring to your fireplace for future blower installation (see Accessories, page 40). Use only approved three-wire electrical wiring. WARNING: If pre-wiring, do not connect wiring to any electrical source at this time.
I L O O F F P NOTICE: If your installation does not meet the minimum clearances shown, you must do one of the following: • raise the mantel to an acceptable height • remove the mantel Top Louver H 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 5. Assemble perimeter trim kit. See Assembling Perimeter Trim. 6. Firmly snap perimeter trim kit on shoulder screws. Shoulder screws are located on fireplace cabinet (see Figure 12, page 12). 7. Align perimeter trim kit for flush fit around opening. 8. Center mantel left to right on base making sure mantel is flush against wall. 9. Use two 3" wood screws provided and attach base of fireplace to wooden mantel base (see Figure 12, page 12). 10.
INSTALLATION Continued 3. Note the wire locations on back of AUTO/ OFF/ON switch. The terminals on back of switch are numbered 1, 2 and 3. Carefully remove red wire from terminal 3 and blue wire from terminal 1. Black wire can remain on middle terminal 2 (see Figure 14). 4. Carefully disconnect green and white wires at their insulated connectors (see Figure 15). 5. In top of the fireplace cabinet, locate the four mounting holes on the outer casing.
5. Test to make sure blower is working properly. 6. Reinstall upper louver beginning with bottom screws (see Figure 11, page 12) and close lower louver. INSTALLATION Continued 3. A licensed electrician must follow the wiring diagram to connect incoming electrical supply to fan kit wiring harness (see Figure 18). 4. Plug power cord to outlet receptacle (not provided) as shown in Figure 17. Wind the extra power cord and tie with plastic wire strap (see Figure 17).
INSTALLATION Continued CONNECTING TO GAS SUPPLY WARNING: This appliance requires a 45° male flare fitting 5/8"-18 UNF (Unified National Fine Thread) inlet connection and the flexible gas line provided. WARNING: A qualified service person must connect fireplace to gas supply. Follow all local codes. WARNING: Never connect natural gas fireplace to private (non-utility) gas wells. This gas is commonly known as wellhead gas.
CAUTION: Avoid damage to regulator. Hold gas regulator with wrench when connecting it to gas piping and/or fittings (Thermostat-Controlled Models Only). CAUTION: Avoid damage to gas control. Hold gas control with wrench when connecting it to gas piping and/or fittings (Remote-Ready Models Only). 116526-01C I H P 2. Route flexible gas line, included, from fireplace control to equipment shutoff valve through side access holes in outer casing. 3.
INSTALLATION Continued CAUTION: Make sure external regulator has been installed between propane/LP supply and fireplace. See guidelines under Connecting to Gas Supply, page 16. 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 heater regulator. 2.
INSTALLATION Continued OPTIONAL Wireless hand-held REMOTE CONTROL ACCESSORies Remote-Ready Models Only (HRC100 Series & HRC200 Series) Installing Receiver 1. Disconnect wires from the control valve (see Figure 26) . 2. Locate the battery clip mounted on the back of the receiver (see Figure 27). 3. Slide 9-volt battery (not included) through the clip. 4. Attach the terminal wires to the battery (see Figure 27). 5. Connect wires from remote receiver to control valve as shown in Figure 28. 6.
INSTALLATION Continued 4. Gently remove the cover of the thermostat from the base. Grasp the sides of the cover firmly and pull to separate from the base. 5. Feed the electrical wires through the rectangular slots on each side of the base (see Figure 31). WARNING: Do not connect the thermostat to a power source. Electrical shock and/or a fire hazard will occur. 6. Connect one bare wire end to each terminal (“W” and “R”) of the thermostat base (see Figure 32).
INSTALLATION Continued INSTALLING LOG SET AND SCREEN 1. Remove log packaging material and discard packaging. Gently place log over burner (see Figure 33). Do not allow log to contact flame. If flame contacts log, soot will be created. 2. Reattach screen by placing the notches in the screen frame over the shoulder screws and pushing down. Log Shoulder Screw WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance. • Do not touch any electric switch; do not use any phone in your building.
OPERATING FIREPLACE Continued Note: You may be running this fireplace for the first time after hooking up to gas supply. If so, the control knob may need to be pressed in for 30 seconds or more. This will allow air to bleed from the gas system. • If control knob does not pop out when released, contact a qualified service person or gas supplier for repairs. 6. With control knob pressed in, press and release ignitor button. This will light pilot. The pilot is attached to the front burner.
OPERATING FIREPLACE Continued Operating Blower This blower has three settings: ON, OFF and AUTO. In the ON position, the blower will operate constantly. In the OFF position, the blower will not operate. In the AUTO position, the blower will start when the thermostat senses a sufficient increase in firebox temperature. Note: Your fireplace and thermostat blower will not turn on and off at the same time. The fireplace may run for several minutes before the blower turns on.
OPERATING FIREPLACE Continued 5. Press in and turn control knob counterclockwise to the PILOT position. Press in control knob for five (5) seconds (see Figure 38). Note: You may be running this fireplace for the first time after hooking up to gas supply. If so, the control knob may need to be pressed in for 30 seconds or more. This will allow air to bleed from the gas system. 6. With control knob pressed in, press and release ignitor button. This will light pilot.
OPERATING FIREPLACE Continued optional Hand-Held REMOTE OPERATION Note: All remote control accessories must be purchased separately (see Accessories, page 40). Follow instructions included with the remote control. NOTICE: You must light the pilot before using the hand-held remote control unit. See Lighting Instructions on page 23. 1. After lighting, let pilot flame burn for about one minute. Turn control knob to ON position. Adjust flame adjustment knob anywhere between HI and LO.
OPERATING FIREPLACE Continued Auto (Thermostatic) Mode 1. Press the POWER and LOCK buttons together to turn on the hand-held remote control. 2. Press AUTO button to select this mode. 3. Set the desired room temperature by pressing the TEMP + or - buttons. 4. Press the POWER and LOCK buttons together to turn off the fireplace Note: Do not leave the hand-held remote in the AUTO mode close to the fireplace. The radiant heat from the fireplace will turn off the fireplace.
Inspecting Burners Check pilot flame pattern and burner flame patterns often. PILOT FLAME PATTERN Figure 45 shows a correct pilot flame pattern. Figure 46 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 Continued We also recommend that you keep the burner tube and pilot assembly clean and free of dust and dirt. To clean these parts we recommend using compressed air no greater than 30 PSI. Your local computer store, hardware store or home center may carry compressed air in a can. You can use a vacuum cleaner in the blow position. If using compressed air in a can, please follow the directions on the can. If you don’t follow directions on the can, you could damage the pilot assembly.
Troubleshooting WARNING: Turn off and unplug fireplace and let cool before servicing. Only a qualified service person should service and repair fireplace. CAUTION: Never use a wire, needle or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Note: All troubles hooting items are listed in order of operation. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed, there is no spark at ODS/pilot 1. Ignitor electrode not connected to ignitor cable 2.
TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY ODS/pilot lights but flame goes out when control knob is released 1. Control knob not fully pressed in 2. Control knob not pressed in long enough 1. Press in control knob fully 3. Safety interlock system has been triggered 4. Equipment shutoff valve not fully open 5. Pilot flame not touching thermocouple, which allows thermocouple to cool, causing pilot flame to go out.
TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Slight smoke or odor during initial operation 1. Residues from manufacturing processes and log curing 2. Not enough air 1. Problem will stop after a few hours of operation 2. Check burner for dirt and debris. If found, clean burner (see Cleaning and Maintenance, page 27) 3. Replace gas regulator 3. Gas regulator defective Fireplace produces a whistling noise when burner is lit 1.
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.
Specifications Thermostat Models Remote-Ready Models VDCFTPB • Rating (Variable): 17,000/30,000 Btu/Hr • Type Gas: Propane/LP • Ignition: Piezo • Manifold Pressure: 8" W.C. • Inlet Gas Pressure (in. of water): Max - 14" W.C., Min* - 11" W.C. VDCFRPB • Rating (Variable): 17,000/26,000 Btu/Hr • Type Gas: Propane/LP • Ignition: Piezo • Manifold Pressure: 8" W.C. • Inlet Gas Pressure (in. of water): Max - 14" W.C., Min* - 11" W.C.
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Parts List firebox Models VDC This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 42 of this manual. KEY NO. PART NO.
ILLUSTRATED PARTS BREAKDOWN THERMOSTAT MODELS VDCFTPB and VDCFTNB 9 4 2 1 3 6 5 7 9 8 10 9 17 12 11 21 14 16 13 6 20 15 19 18 36 www.desatech.
PARTS LIST THERMOSTAT MODELS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 111069-01 099056-29 099056-34 104424-04 111124-01 107486-01 107485-01 099387-09 098249-01 M11084-38 M11084-26 ** 097809-02 098867-10 098867-14 108628-02 102394-02 098522-13 098522-12 101381-01 101628-03 099211-01 098544-01 098271-10 113342-01 DESCRIPTION Dual Burner Injector Injector Outlet Tube Burner Retainer Spring ODS Pilot ODS Pilot Pilot Tube ODS Nut Screw, HWH AB 8-18 x .38 Screw, HWH AB 10-16 x .
ILLUSTRATED PARTS BREAKDOWN REMOTE-READY MODELS VDCFRNB and VDCFRPB 4 9 2 1 3 6 7 8 5 9 10 9 11 12 14 12 20 21 Natural Gas Only 22 15 9 16 16 H I 15 L O F O F N O ILOT 38 www.desatech.
PARTS LIST REMOTE-READY MODELS KEY NO. PART NO.
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 referral information. You can also write to the address listed on the back page of this manual. THERMOSTAT-CONTROLLED BLOWER KIT - GA3450TA For all models. Provides better heat distribution. Makes fireplace more efficient. Automatically turns off and on as needed.
ACCESSORIES Continued WALL-MOUNT THERMOSTAT SWITCH - GWMT1 (Not Shown) For all models. The desired comfort setting can be selected on the wall thermostat and the fireplace will automatically cycle from pilot to the heat setting selected. WALL-MOUNT ON/OFF SWITCH GWMS2 (Not Shown) For all models. Allows the fireplace to be turned on and off with a wall switch. RECEIVER AND HAND-HELD REMOTE CONTROL KIT - HRC100 Series For remote-ready models only.
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 Heating Products’ Technical Service Department at 1-866-672-6040.
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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.
