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Desa CSG3930PR manual

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  • Page 1

    UNVENTED (VENT -FREE) GAS LOG HEA TER OWNER’S OPERATION AND INSTALLATION MANUAL Remote-Ready Models Also Design-Certified As Vented Decorative Appliances 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 [...]

  • Page 2

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 2 WARNING: Do not use a blower insert, heat exchanger insert, or other accessory not approved for use with this heater. WARNING: This appliance is for installation only in a solid-fuel burning fireplace or approved ventless firebox enclosure. WARNIN[...]

  • Page 3

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 3 3 You must operate this heater with a fireplace screen in place. Make sure fireplace screen is closed before running heater. Keep the appliance area clear and free from combus- tible materials, gasoline, and other flammable vapors and liquids. SAF[...]

  • Page 4

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 4 LOCAL CODES Install and use heater 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 Broad[...]

  • Page 5

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 5 5 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[...]

  • Page 6

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 6 DETERMINING FRESH-AIR FLOW FOR HEATER 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 heater plus any a[...]

  • Page 7

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 7 7 AIR FOR COMBUSTION AND VENTILA TION Continued 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 op[...]

  • Page 8

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 8 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 circulat[...]

  • Page 9

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 9 9 Heat Resistant Material (A) 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[...]

  • Page 10

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 10 Hearth 5" Min. Combustible Material Hearth Combustible Material 5" 14" Min. Combustible Material Non-Combustible Material Minimum Non- Combustible Material 8" Min. 12" 15" 18" All minimum distances are in inches[...]

  • Page 11

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 11 11 INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION (Remote-Ready Models Only) Note: When used as a vented heater, appliance must be installed only in a solid-fuel burning fireplace with a working flue and constructed of noncombustible mate[...]

  • Page 12

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 12 WARNING: This appliance requires a 1/2" NPT (National Pipe Thread) inlet connection to the pres- sure regulator. WARNING: A qualified service person must con- nect heater to gas supply. Follow all local codes. CAUTION: For propane/LP gas, ne[...]

  • Page 13

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 13 13 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 14 or 15, depending on your model). IMPORTANT: Ins[...]

  • Page 14

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 14 ON POSITION OFF POSITION INST ALLA TION Continued WARNING: Test all gas piping and connections, inter nal and external to unit , for leaks after installing or servicing. Correct all leaks at once. WARNING: Never use an open flame to check for a l[...]

  • Page 15

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 15 15 INSTALLING LOGS 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 and pe[...]

  • Page 16

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 16 INST ALLA TION Continued Models VRL24NR, VRL24PR, VRL30NR, VRL30PR, VRL24NT, VRL24PT, VRL30NT and VRL30PT 1. Place log #1 (ember bed) onto base over log alignment screws to the left of front burner and behind middle burner . Log #1 will sit on to[...]

  • Page 17

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 17 17 INST ALLA TION Continued Figure 27 - Attaching Grate to Base Assembly (Logs and Base Will Vary According to Model) Grate Slots in Base ATTACHING GRATE TO BASE ASSEMBLY Locate the two slots in the front of the base assembly. Carefully slide the[...]

  • Page 18

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 18 1. Follo w steps 1 through 5 under Lighting Instructions , page 18. 2. Depress contr ol knob and light pilot with match. 3. Keep contr ol knob pressed in f or 30 seconds after lighting pilot. After 30 seconds, release control knob . Now f ollow s[...]

  • Page 19

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 19 19 OPERA TING HEA TER Continued WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing prop- erty damage, personal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. When[...]

  • Page 20

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 20 Figure 34 - Control Knobs, Selector Switch and Ignitor Button Locations for Hand-Held Remote Operation Figure 32 - Pilot (Propane/LP) Ignitor Electrode Pilot Burner Thermocouple Figure 33 - Pilot (Natural) Ignitor Electrode Pilot Burner Thermocou[...]

  • Page 21

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 21 21 OPERA TING HEA TER Continued OPERATING HEATER (REMOTE-READY MODELS) Optional Remote Operation (Cont.) Figure 36 - Thermostat Hand-Held Remote Control Unit Selections (C)GHRCTB ON/OFF SERIES (MODELS GHRCB AND CGHRCB) Hold the control button on [...]

  • Page 22

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 22 Yellow Tipping At Top of Blue Flame Pilot Burner Thermocouple Pilot Burner Pilot Burner Thermocouple BURNER FLAME PATTERNS Figure 3 8 shows correct front and/or middle burner flame patterns. Figure 4 0 shows incorrect front and/or middle burner f[...]

  • Page 23

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 23 23 WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burners, and circulating air passageways of heater clean. In- spect these areas of heater before each use. Have heater inspected yearly by a qualified[...]

  • Page 24

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 24 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 simi[...]

  • Page 25

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 25 25 TROUBLESHOOTING TROUBLESHOOTING Continued OBSERVED PROBLEM One or more burners do not light after ODS/ pilot is lit Delayed ignition of one or more burners Burner backfiring during combustion Yellow flame in front/middle burner during burner c[...]

  • Page 26

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 26 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 neigh[...]

  • Page 27

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 27 27 OPTIONAL POSITIONING OF THERMOST A T SENSING BULB (THERMOSTAT-CONTROLLED MODELS ONLY) FOR MASONRY AND FACTORY-BUILT METAL FIREPLACE If your log set cycles to pilot, but the room temperature drops to a lower than ideal comfort level before the [...]

  • Page 28

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 28 SPECIFICA TIONS 24" Thermostat-Controlled 30" Thermostat-Controlled Btu (Variable) 10,000/40,000 10,000/40,000 10,000/40,000 10,000/40,000 Type Gas Propane/LP Natural Propane/LP Natural Ignition Piezo Piezo Piezo Piezo Manifold Pressure[...]

  • Page 29

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 29 29 ILLUSTRA TED P ARTS BREAKDOWN LOGS ILLUSTRATED PARTS BREAKDOWN Logs PART NUMBER FOR CSG3924NT CSG3924PT CSG3924NR CSG3924PR VRL24NT VRL30NT CTB3924NT VRL24PT VRL30PT CTB3924PT KEY VRL24NR VRL30NR CTB3924NR CSG3930NR NO. VRL24PR VRL30PR CTB3924[...]

  • Page 30

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 30 ILLUSTRA TED P AR TS BREAKDOWN THERMOSTAT-CONTROLLED MODELS VRL24NT, VRL24PT VRL30NT, VRL30PT CSG3924NT, CSG3924PT CTB3924NT, CTB3924PT ILLUSTRATED PARTS BREAKDOWN Models VRL24NT, VRL24PT, VRL30NT, VRL30PT, CSG3924NT, CSG3924PT, CTB3924NT, CTB392[...]

  • Page 31

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 31 31 P ARTS LIST THERMOSTAT-CONTROLLED MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 37 of this manual. PARTS LIST Models VRL24NT, VRL24PT, VRL30[...]

  • Page 32

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 32 ILLUSTRA TED P AR TS BREAKDOWN REMOTE-READY MODELS VRL24NR, VRL24PR VRL30NR, VRL30PR CSG3924NR, CSG3924PR CTB3924NR, CTB3924PR CSG3930NR, CSG3930PR ILLUSTRATED PARTS BREAKDOWN Models VRL24NR, VRL24PR, VRL30NR, VRL30PR CSG3924NR, CSG3924PR, CTB392[...]

  • Page 33

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 33 33 P ARTS LIST REMOTE-READY MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 37 of this manual. PARTS LIST Models VRL24NR, VRL24PR, VRL30NR, VRL30[...]

  • Page 34

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 34 ACCESSORIES NOTICE: All accessories may not be available for all fireplace models. Purchase these heater accessories from your local dealer. If they can not supply these accessories, call DESA Heating Products at 1-866-672-6040 for referral infor[...]

  • Page 35

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 35 35 1. Where will the product be used? ❍ Living/F amily Room ❍ Office/Warehouse ❍ Utility Shed/Outb uilding ❍ Garage ❍ Bedroom ❍ Bathroom ❍ Other 2. If you bought this product y ourself, did y ou plan to purchase this type of product[...]

  • Page 36

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 36 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 Postage Required T APE T APE[...]

  • Page 37

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 37 37 REPLACEMENT PARTS SERVICE HINTS TECHNICAL SERVICE REPLACEMENT P ARTS 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[...]

  • Page 38

    110021-01G For more information, visit www.desatech.com For more information, visit www.desatech.com 38 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 www.desatech.com 110021-01 Rev. G 05/03 NOT A UPC 110021 01[...]