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Desa CDCFNRA Owner's Operation And Installation Manual

Unvented (vent-free) gas compact classic hearth dual burner fireplace
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UNVENTED (VENT-FREE) GAS COMPACT CLASSIC HEARTH
OWNER'S OPERATION AND INSTALLATION MANUAL
Shown with Optional Cabinet Mantel/Hearth Base Accessory
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.
For more information, visit www.desatech.com
DUAL BURNER FIREPLACE
REMOTE-READY MODELS
CDCFNRA AND CDCFPRA
Save this manual for future reference.
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  • Page 1 • 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. Save this manual for future reference. For more information, visit www.desatech.com REMOTE-READY MODELS CDCFNRA AND CDCFPRA ®...

  • Page 2: Table Of Contents

    WARNING: Improper installation, adjustment, altera- tion, service, or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional information consult a qualified installer, service agency, or the gas supplier. WARNING: This is an unvented gas-fired heater.

  • Page 3: Safety Information

    SAFETY INFORMATION WARNING: This product con- tains 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, op- erate, or service this fireplace. Improper use of this fireplace can cause serious injury or death from burns, fire, explosion,...

  • Page 4: Product Identification

    IDENTIFICATION Hood Logs Ignitor Button Remote Control (Optional) Figure 1 - Vent-Free Compact Dual Flame www.desatech.com PRODUCT Fireplace Cabinet Control Knob Fireplace 116658-01A...

  • Page 5: Local Codes

    116658-01A REMOVING CERAMIC BRICK LINERS 1. Remove screws from top louver and carefully remove louver (see Figure 2). 2. Remove ceramic brick liners with protective packaging. The brick liners will be installed later. 3. Remove yellow sticker from top of firebox. 4.

  • Page 6: Air For Combustion And Ventilation

    HOOD ASSEMBLY Continued 3. Locate four black phillips sheet metal screws in hardware packet. 4. Slide hood between louver and firebox top and align screw holes. 5. Insert screws as shown in Figure 3. Tighten screws firmly. Sheet Metal Screws Hood Figure 3 - Assembling Hood AIR FOR COMBUSTION...
  • Page 7 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 m per kw) of the aggregate input rating of all appliances installed in that space and an unconfined space as a space whose volume is...

  • Page 8: Installation

    AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining un- confined space. When ventilating to an adjoining unconfined space, you must provide two permanent openings: one within 12" of the ceiling and one within 12"...
  • Page 9 INSTALLATION Continued WARNING: Never install in a bedroom or bathroom. Any heat- ing product with a Btu/Hr rating over 10,000 cannot be used in a bedroom. CAUTION: This fireplace cre- ates warm air currents. These currents move heat to wall sur- faces next to fireplace.
  • Page 10 INSTALLATION Continued CAUTION: If you install the fireplace in a home garage • fireplace pilot and burner must be at least 18 inches above floor. • locate fireplace where moving vehicle will not hit it. For convenience and efficiency, install fireplace •...
  • Page 11 INSTALLATION Continued WARNING: If pre-wiring, do not connect wiring to any electri- cal source at this time. Install fireplace electrical outlet and connect wiring to outlet before connecting to electrical source. The fireplace electri- cal outlet is included with the GA3450TA blower accessory.
  • Page 12 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 (see Figure 10). NOTICE: Surface temperatures of adjacent walls and mantels be- come hot during operation. Walls and mantels above the firebox may become hot to the touch.
  • Page 13 INSTALLATION Continued 12. Install gas line. See Connecting To Gas Sup- ply, page 16. 13. Check for leaks. See Checking Gas Connec- tions, page 17. 14. Place mantel around fireplace. Be careful not to damage wall or mantel. 15. Place perimeter trim kit on the shoulder screws located on the side and top of the fireplace.
  • Page 14 INSTALLATION Continued Installing Blower Accessory CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and danger- ous operation. CAUTION: Verify proper op- eration after servicing. Note: If you are using a mantel with your fireplace, use the following instructions.
  • Page 15 INSTALLATION Continued For Built-In Installation WARNING: A licensed elec- trician must connect the wiring harness to electrical supply following all local codes. Electri- cian must provide a clamp on the box cover to secure the wiring. Wiring should be routed through the bushing in the hole on the outer casing of fireplace.
  • Page 16 INSTALLATION Continued Installation must include an equipment shutoff valve, union, and plugged 1/8" NPT tap. Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from heater (see Figure 20). IMPORTANT: Install equipment shutoff valve in an accessible location.
  • Page 17 INSTALLATION Continued We recommend that you install a sediment trap in supply line as shown in Figure 20, page 16. Locate sediment trap where it is within reach for cleaning. Install in piping system between fuel supply and heater. Locate sediment trap where trapped mat- ter is not likely to freeze.

  • Page 18: Connecting To Gas Supply

    INSTALLATION Continued CAUTION: Make sure exter- nal 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.
  • Page 19 INSTALLATION Continued OPTIONAL WIRELESS HAND-HELD REMOTE CONTROL ACCESSORIES 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.
  • Page 20 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 con- nect the thermostat to a power source.
  • Page 21 INSTALLATION Continued 3. Install left and right brick liners using brackets and screws from hardware kit as shown in Fig- ure 34. Screw the bracket into top of firebox and against brick liners. Adjust bracket before tightening screw. 4. Remove log packaging material and discard. Gently place log over burner (see Figure 35).

  • Page 22: Operating Fireplace

    OPERATING FIREPLACE FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result causing property damage, per- sonal injury or loss of life. A. This appliance has a pilot which must be lighted by hand.
  • Page 23 OPERATING FIREPLACE Continued 6. With control knob pressed in, press and release ignitor button. This will light pilot. The pilot is attached to the front burner. If needed, keep pressing ignitor button until pilot lights. Note: If pilot does not stay lit, contact a qualified service person or gas supplier for repairs.
  • Page 24 OPERATING FIREPLACE Continued Note: The burner may light if hand-held remote was on when selector switch was last turned off. You can now turn the burner on and off with the hand-held remote control unit. IMPORTANT: Do not leave the selector switch in the REMOTE or ON position when the pilot is not lit.

  • Page 25: Inspecting Burners

    OPERATING FIREPLACE Continued Note: Do not hold the hand-held remote for a long time. Body temperature will affect its operation in the AUTO mode. Safety Features When away from home for an extended period of time or as a child safety feature to prevent accidental ignition of the fireplace, the receiver ON/OFF/REMOTE switch should be in the OFF position.

  • Page 26: Cleaning And Maintenance

    INSPECTING BURNERS CONTINUED BURNER FLAME PATTERN Figure 45 shows a correct burner flame pattern. Figure 46 shows an incorrect burner flame pattern. The incorrect burner flame pattern shows sporadic, irregular flame tipping. The flame should not be dark or have an orange/reddish tinge. Note: When using the fireplace the first time, the flame will be orange for approximately one hour until the log cures.

  • Page 27: Wiring Diagram

    CLEANING AND MAINTENANCE Continued Clean the pilot assembly also. A yellow tip on the pilot flame indicates dust and dirt in the pilot as- sembly. There is a small pilot air inlet hole about two inches from where the pilot flame comes out of the pilot assembly (see Figures 48 or 49 depend- ing on model).

  • Page 28: 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 troubleshooting items are listed in order of operation. OBSERVED PROBLEM When ignitor button is pressed, there is no spark at ODS/pilot...
  • Page 29 OBSERVED PROBLEM ODS/pilot lights but flame goes out when control knob is released Burner does not light after ODS/pilot is lit Delayed ignition of burner Burner backfiring during com- bustion 116658-01A TROUBLESHOOTING Continued POSSIBLE CAUSE 1. C o n t r o l k n o b n o t f u l l y pressed in 2.
  • Page 30 OBSERVED PROBLEM Slight smoke or odor during initial operation Fireplace produces a whistling noise when burner is lit White powder residue forming within burner box or on adjacent walls or furniture Moisture/condensation noticed on windows Remote does not function Fireplace produces a clicking/ ticking noise just after burners are lit or shut off TROUBLESHOOTING...
  • Page 31 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.

  • Page 32: Specifications

    (including hood and screws) * For purpose of input adjustment SPECIFICATIONS CDCFPRA 17/26,000 Propane/LP Gas Only Piezo 8" W.C. 14" 11" x 26 x 15 www.desatech.com CDCFNRA 17/26,000 Natural Gas Only Piezo 3.5" W.C. 10.5" 5" x 26 x 15 116658-01A...

  • Page 33: Replacement Parts

    If so, contact DESA Heating Productsʼ Technical Service Department at 1-866-672-6040. When calling, please have your model and serial numbers of your heater ready. You can also visit DESA Heating Productsʼ techni- cal services web site at www.desatech.com. www.desatech.com...

  • Page 34: Illustrated Parts Breakdown And Parts List

    ILLUSTRATED PARTS BREAKDOWN FIREBOX MODELS CDCFNRA, CDCFPRA www.desatech.com 116658-01A...

  • Page 35: Parts List

    FIREBOX MODELS CDCFNRA, CDCFPRA This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 33 of this manual. NO. PART NUMBER DESCRIPTION 104281-02CK 110339-01CK 102635-02 103209-05 098304-01 M10908-2 104313-01...
  • Page 36 ILLUSTRATED PARTS BREAKDOWN REMOTE-READY MODELS CDCFNRA AND CDCFPRA Natural Gas Only www.desatech.com 116658-01A...
  • Page 37 111173-01 103781-02 101480-12 097809-02 113342-01 -------- -------- 901056-01 103470-01 100563-01 103877-01 ** Not a field replaceable part 116658-01A PARTS LIST CDCFNRA DESCRIPTION 111069-01 Dual Burner 099056-34 Injector 111195-07 Outlet Tube 111124-01 Burner Retainer Spring 097809-02 Male Fitting 103779-01 ODS Pilot...

  • Page 38: Accessories

    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 re- ferral information. You can also write to the address listed on the back page of this manual.
  • Page 39 ACCESSORIES Continued CLEANING KIT - GCK/CCK (Not Shown) For all models. Your vent-free gas appliance re- quires regular cleaning and maintenance to prevent performance problems. This kit gives you the tools and instructions to make it easy to clean all critical areas of your appliance.
  • Page 40 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 www.desatech.com 116658 01 NOT A UPC 116658-01 Rev. A 04/05...

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