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Manual Desa CGD3924NR

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  • Desa CGD3924NR - page 1

    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, 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 ? ...

  • Desa CGD3924NR - page 2

    2 103343 CONTENTS SECTION PAGE SAFETY INFORMA TION W ARNINGS IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, operate, or service this heater. Improper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning. DANGER Carbon monoxide poi ...

  • Desa CGD3924NR - page 3

    3 103343 SAFETY INFORMA TION Continued W ARNINGS Continued WARNING: Any change to this heater 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. If you smell gas • shut off gas supply • do not try to light any appl ...

  • Desa CGD3924NR - page 4

    4 103343 AUTO MAN OFF STATUS ON LO HI TEMP PRODUCT IDENTIFICA TION Figure 1 - Vent-Free Gas Log Heater 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, also known as NFPA 54*. *Available from: American National Standards Institute, In ...

  • Desa CGD3924NR - page 5

    5 103343 AIR FOR COMBUSTION AND VENTILA TION W ARNING 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 t ...

  • Desa CGD3924NR - page 6

    6 103343 AIR FOR COMBUSTION AND VENTILA TION Continued DETERMINING 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 adjoining rooms with doorless passageways or ventilatio ...

  • Desa CGD3924NR - page 7

    7 103343 AIR FOR COMBUSTION AND VENTILA TION Continued W ARNING If the area in which the heater may be operated is smaller than that defined as an unconfined space, provide adequate combus- tion 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 Ins ...

  • Desa CGD3924NR - page 8

    8 103343 INST ALLING NOTICE A qualified service person must install heater. Follow all local codes. W ARNING Before installing in a solid fuel burning fireplace, the chimney flue and firebox must be cleaned of soot, creosote, ashes and loose paint by a qualified chimney cleaner. Creosote will ignite if highly heated. Inspect chimney flue for damage ...

  • Desa CGD3924NR - page 9

    9 103343 INSTALLATION AND CLEARANCES (Vent-Free Operation Only) W ARNING Maintain the minimum clearances. If you can, provide greater clear- ances from floor, ceiling, and adjoining wall. INST ALLING Continued Carefully follow the instructions below. This will ensure safe installation into a masonry or U.L. listed manufactured fireplace. Minimum Wa ...

  • Desa CGD3924NR - page 10

    10 103343 INST ALLING Continued Heat Resistant Material (A) Minimum Non Combustible Material Clearances If Not Using Mantel Note: If using a mantel, go to page 11. If not using a mantel, follow the informa- tion on this page. You must have non combustible material(s) above the fireplace opening. Non combustible materials (such as slate, marble, til ...

  • Desa CGD3924NR - page 11

    11 103343 INST ALLING Continued Minimum Non Combustible Material Clearances If Using Mantel You must have non combustible material(s) above the fireplace opening. Non combustible materials (such as slate, marble, tile, etc.) must be at least 1/2 inch thick. With sheet metal, you must have non combustible material behind it. Non combustible material ...

  • Desa CGD3924NR - page 12

    12 103343 14" Min. Combustible Material Non-Combustible Material Hearth 5" Min. Combustible Material Minimum Non- Combustible Material 8" Min. 12" 15" 18" All minimum distances are in inches Log Set 18", 24", 30" Models 20" 2 1 /2 " 6" 8" 10" 12" Distances to Underside of Ma ...

  • Desa CGD3924NR - page 13

    13 103343 INST ALLING Continued INSTALLING HEATER BASE ASSEMBLY IMPORTANT: Make sure the heater burners are level. If heater is not level, heater will not work properly. Installation Items Needed • hardware package (provided with heater) • approved flexible gas hose (not provided) (if allowed by local codes) • sealant resistant to propane/LP ...

  • Desa CGD3924NR - page 14

    14 103343 INST ALLING Continued Masonry Screw Mounting Flanges Flexible Gas Hose (if allowed by local codes) Figure 10 - Attaching Flexible Gas Hose to Heater Fitting Figure 11 - Attaching Base Assembly to Fireplace Floor ...

  • Desa CGD3924NR - page 15

    15 103343 INST ALLING Continued CONNECTING TO GAS SUPPLY NOTICE A qualified service person must connect heater to gas supply. Follow all local codes. Installation Items Needed Before installing heater, make sure you have the items listed below. • piping (check local codes) • sealant (resistant to propane/LP gas) • manual shutoff valve * • t ...

  • Desa CGD3924NR - page 16

    16 103343 Tee Joint Pipe Nipple Cap 3" Minimum Sediment Trap Gas Control From Gas Meter (5" W.C.** to 10.5" W.C. Pressure) A.G.A. Design-Certified Manual Shutoff Valve With 1/8" NPT Tap* Approved Flexible Gas Hose (if allowed by local codes) CAUTION Avoid damage to regulator. Hold gas regulator with wrench when connecting it to ...

  • Desa CGD3924NR - page 17

    17 103343 3. Pressurize supply piping system by either using compressed air or opening main gas valve located on or near gas meter. 4. Check all joints of gas supply piping system. Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak. 5. Correct all leaks at once. 6. Re-connect heater and manual shutoff valve to gas sup ...

  • Desa CGD3924NR - page 18

    18 103343 3 INST ALLING Continued W ARNING 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. INSTALLING LOGS Each log is marked with a number. These numbers will help you identify the log when installing. It is very im ...

  • Desa CGD3924NR - page 19

    19 103343 1. STOP! Read the safety information above. 2. Make sure manual shutoff valve is fully open. 3. Set remote selector switch in the OFF position. FOR YOUR SAFETY READ BEFORE LIGHTING W ARNING If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appl ...

  • Desa CGD3924NR - page 20

    20 103343 O F F P I L O T O N L O I H REMO TE OFF ON 4. Press in and turn control knob clockwise to the OFF position. Figure 19 - Control Knob and Ignitor Button Location Control Knob Ignitor Button Selector Switch in OFF Position Flame Adjustment Knob OPERA TING HEA TER Continued 5. Wait five (5) minutes to clear out any gas. Then smell for gas, i ...

  • Desa CGD3924NR - page 21

    21 103343 OPERA TING HEA TER Continued T O TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. Turn control knob clockwise to the OFF position. 2. Set remote selector switch in the OFF position to keep from draining battery. Shutting Off Burners Only (pilot stays lit) You may shut off the burners and keep the pilot lit by doing one of the following: ? ...

  • Desa CGD3924NR - page 22

    22 103343 OPERA TING HEA TER Continued TEMP ST A TUS HI LO MAN ON AUT O OFF Increases Room Temperature Decreases Room Temperature Turns Burners On and Off Shows Current Operation Mode Shows Temperature Setting Allows Burners to be Turned On and Off with the Hand- Held Remote Unit. Figure 22 - Thermostat Hand-Held Remote Control Unit Selections The ...

  • Desa CGD3924NR - page 23

    23 103343 CLEANING AND MAINTENANCE W ARNING Turn off heater and let cool before cleaning. CAUTION You must keep control areas, burner, and circulating air passage- ways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qualified service person. Heater may need more frequent cleaning due to excessive l ...

  • Desa CGD3924NR - page 24

    24 103343 TROUBLE- SHOOTING Continued REMEDY 1. Turn on gas supply or open manual shutoff valve 2. Turn control knob to PILOT position 3 . Press in control knob while in PILOT position 4. Continue holding down control knob. Repeat igniting operation until air is removed 5. Clean ODS/pilot (see Cleaning and Mainte- nance , page 23) or replace ODS/pi ...

  • Desa CGD3924NR - page 25

    25 103343 OBSERVED PROBLEM Burner does light after ODS/pilot is lit Delayed ignition burner Burner backfiring during combustion Slight smoke or odor during initial operation Moisture/condensa- tion noticed on windows Heater produces a whistling noise when burner is lit REMEDY 1. Clean burner (see Cleaning and Mainte- nance , page 23) or replace bur ...

  • Desa CGD3924NR - page 26

    26 103343 TROUBLE- SHOOTING Continued W ARNING 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 su ...

  • Desa CGD3924NR - page 27

    27 103343 TECHNICAL SERVICE You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-DESA LOG (1-800-337-2564). SPECIFICA TIONS CGD3924NR Btu (Variable) 20,000/39,000 Type Gas Natural Gas Only Ignition Piezo Manifold Pressure 3.5" W.C. Inlet Ga ...

  • Desa CGD3924NR - page 28

    28 103343 Note: Use only original replacement parts. This will protect your warranty cover- age for parts replaced under warranty. Parts Under Warranty Contact authorized dealers of this product. If they can’t supply original replace- ment part(s), call DESA International’s Technical Service Department at 1-800-DESA LOG (1-800-337-2564). When c ...

  • Desa CGD3924NR - page 29

    29 103343 ACCESSORIES Purchase these fireplace accessories from your local dealer. If they can not supply these accessories, either contact your nearest Parts Central (see page 28) or call DESA International’s Sales Department at 1-800-972-7879 for referral informa- tion. You can also write to the address listed on the back page of this manual. M ...

  • Desa CGD3924NR - page 30

    30 103343 ILLUSTRA TED P ARTS BREAKDOWN CGD3924NR 7 16 16 17 25 16 3 2 1 4 11 21 10 9 12 15 8 19 18 20 6 14 5 13 27 26 26 REMOTE OFF ON 22 23 24 O F F P I L O T O N H I L O O F F P I L O T O N H I L O AUTO MAN OFF STATUS ON LO HI TEMP 20 ...

  • Desa CGD3924NR - page 31

    31 103343 This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 28 of this manual. P ARTS LIST KEY NO. PART NUMBER DESCRIPTION QTY. 1 103008-01 Back Log (#1) 1 2 103009-01 Middle Log (#2) 1 3 103010-01 Front Log (#3) 1 4 103011-01 Crossover Log (#4) 1 5 103779-0 ...

  • Desa CGD3924NR - page 32

    LIMITED WARRANTY COMFORT GLOW VENT-FREE NATURAL GAS LOG HEATERS DESA International warrants this product to be free from defects in materials and components for two (2) years from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions. To make a claim ...

Manufacturer Desa Category Gas Heater

Documents that we receive from a manufacturer of a Desa CGD3924NR can be divided into several groups. They are, among others:
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- Desa product data sheets
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Desa CGD3924NR.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Desa CGD3924NR, service manual, brief instructions and user manuals Desa CGD3924NR. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Desa CGD3924NR.

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A complete manual for the device Desa CGD3924NR, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Desa CGD3924NR by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Desa CGD3924NR.

A complete Desa manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Desa CGD3924NR - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Desa CGD3924NR, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Desa CGD3924NR, that we can find in the current document
3. Tips how to use the basic functions of the device Desa CGD3924NR - which should help us in our first steps of using Desa CGD3924NR
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Desa CGD3924NR
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Desa CGD3924NR in a specific country, if it was not possible to solve the problem on our own.

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