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Desa LDL3930NR manual

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Table of contents for the manual

  • Page 1

    UNVENTED (VENT -FREE) GAS LOG HEA TER OWNER’S OPERATION AND INSTALLATION MANUAL Save this manual for future reference. Save this manual for future reference. WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, per- sonal injury, or loss of life. — Do not store or use gasoli[...]

  • Page 2

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 2 WARNING: Do not allow fans to blow directly into the fireplace. Avoid any drafts that alter burner flame patterns. Ceiling fans can create drafts that alter burner flame patterns. Altered burner patterns can cause sooting. Due to high temperatures[...]

  • Page 3

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 3 3 SAFETY INFORMA TION 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. Lo- c[...]

  • Page 4

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 4 AIR FOR COMBUSTION AND VENTILA TION Today’s homes are built more energy efficient than ever. New mate- rials, increased insulation, and new construction methods help reduce heat loss in homes. Home owners weather strip and caulk around windows a[...]

  • Page 5

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 5 5 AIR FOR COMBUSTION AND VENTILATION Providing Adequate Ventilation (Cont.) Determining Fresh-Air Flow for Heater Location 3. Add the Btu/Hr of all fuel burning appliances in the space. V ent-free heater _____________ Btu/Hr Gas water heater* ____[...]

  • Page 6

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 6 VENTILATION AIR 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 o[...]

  • Page 7

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 7 7 NOTICE: This heater is intended for use as supple- mental 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 circul[...]

  • Page 8

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 8 Carefully follow the instructions below. This will ensure safe installation into a masonry, UL127-listed manufactured fireplace, or listed vent-free firebox. Minimum Clearances For Side Combustible Material, Side Wall, and Ceiling A. Clearances fr[...]

  • Page 9

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 9 9 Minimum Non- Combustible Material Minimum Non- Combustible Material Height Distances to Underside of Mantel Top of Fireplace Opening Underside of Mantel Shelf Mantel Shelf 12" 8" (A) 18" 8" 20" 14" 22" 17"[...]

  • Page 10

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 10 Figure 11 - Attaching Flexible Gas Hose to Heater Flexible Gas Hose (if allowed by local codes) Fitting INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION Note: When used as a vented heater, appliance must be installed only in a solid-fuel bu[...]

  • Page 11

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 11 11 INST ALLA TION Continued Figure 12 - Attaching Heater to Fireplace Floor Masonry Screw Screw Holes in Base 5. Center heater base and logs front-to-back and side-to-side in fireplace. 6. Carefully remove logs without moving heater base. 7. Mark[...]

  • Page 12

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 12 Pipe Nipple Cap Tee Joint * Purchase the optional CSA design-certified equipment shutoff valve from your dealer . See Accessories , page 27. ** Minimum inlet pressure for purpose of input adjustment. Figure 16 - Gas Connection Gas Control 3"[...]

  • Page 13

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 13 13 INST ALLA TION Continued WARNING: Test all gas piping and connections, inter nal and external to uni t, for leaks after installing or servicing. Correct all leaks at once. WARNING: Never use an open flame to check for a leak. Apply a noncorros[...]

  • Page 14

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 14 INST ALLA TION Continued WARNING: Failure to position the parts in accor- dance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury. CAUTION: After installation [...]

  • Page 15

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 15 15 O F F P I L O T O N OPERATING HEATER For Your Safety Read Before Lighting Lighting Instructions OPERA TING HEA TER WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing prop- erty damage, personal inj[...]

  • Page 16

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 16 HAND-HELD REMOTE OPERATION NOTICE: You must light the pilot before using the hand-held remote control unit. See Lighting Instruc- tions , page 15. Shutting Off Heater Press on/off key on remote control and turn control knob clockwise to the OFF p[...]

  • Page 17

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 17 17 OPERATING HEATER Hand-Held Remote Operation (Cont.) INSPECTING BURNERS Pilot Flame Pattern Burner Primary Air Holes Main Burner INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often. PILOT FLAME PATTERN Figure 30 shows a[...]

  • Page 18

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 18 CLEANING AND MAINTENANCE Cleaning Burner Injector Holder and Pilot Air Inlet Hole Logs Main Burner Burner Tube Pilot Assembly Pilot Air Inlet Hole Ports/Slots Burner Tube Injector Holder (May Be Brass or Aluminum Depending on Model) Primary Air I[...]

  • Page 19

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 19 19 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 s[...]

  • Page 20

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 20 TROUBLESHOOTING TROUBLESHOOTING Continued OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed ignition of one or both burners Burner backfiring during combustion Slight smoke or odor during initial operation Heater produces a wh[...]

  • Page 21

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 21 21 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 ne[...]

  • Page 22

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 22 ILLUSTRA TED P AR TS BREAKDOWN MODELS LDL3924NR, LDL3924PR LDL3930NR AND LDL3930PR ILLUSTRATED PARTS BREAKDOWN Models LDL3924NR, LDL3924PR, LDL3930NR and LDL3930PR O F F P I L O T O N 11 28 2 3 25 18 5 19 10 7 7 6 4 20 24 16 14 26 9 23 23 15 16 8[...]

  • Page 23

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 23 23 P ARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 24 of this manual. PARTS LIST Models LDL3924NR, LDL3924PR, LDL3930NR and LDL3930PR KEY PA[...]

  • Page 24

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 24 SER VICE HINTS When Gas Pressure Is Too Low • pilot will not stay lit • burners will have delayed ignition • heater will not produce specified heat • for propane/LP units, propane/LP gas supply may be low You may feel your gas pressure is[...]

  • Page 25

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 25 25 • ACCESSORIES 1. Where will the product be used? ❍ Living/F amily Room ❍ Office/W arehouse ❍ Utility Shed/Outbuilding ❍ Garage ❍ Bedroom ❍ Bathroom ❍ Other 2. If you bought this product yourself , did you plan to purchase this [...]

  • Page 26

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 26 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 Postage Required T APE T APE[...]

  • Page 27

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 27 27 ACCESSORIES ACCESSORIES EQUIPMENT SHUTOFF VALVE - GA5010 For all models. Equipment shutoff valve with 1/8" NPT t ap. Fi ts 1/2" NPT pipe. FIREPLACE HOOD Black - GA6050 Brass - GA6052 Antique Brass - GA6053 For all models. Helps defle[...]

  • Page 28

    111515-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 28 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 www.desatech.com 111515-01 Rev. C 09/03 NOT A UPC KEEP THIS WARRANTY W ARRANTY INFORMA TION Model Serial No. Date Purchased Always specify model and serial numbers when communicati[...]