Desa CGD3924NR - Manuals - manualsarea.com

Page 2 - CONTENTS; SECTION; SAFETY; WARNINGS; Carbon monoxide poisoning may lead to death!; Early signs of carbon monoxide poisoning resemble; Natural Gas; Safety Information continues on next page

2 103343 CONTENTS SECTION PAGE SAFETY INFORMATION WARNINGS IMPORTANT: Read this owner’s manual carefully and completely beforetrying to assemble, operate, or service this heater. Improper use of thisheater can cause serious injury or death from burns, fire, explosion,electrical shock, and carbon mon...

Page 3 - Continued

3 103343 SAFETY INFORMATION Continued WARNINGS 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 o...

Page 5 - WARNING; Confined Space and Unconfined Space; per kw) of the aggregate input rating of all appliances; PROVIDING ADEQUATE VENTILATION; Unusually Tight Construction; and

5 103343 AIR FOR COMBUSTION AND VENTILATION WARNING This heater shall not be installed in a confined space unlessprovisions are provided for adequate combustion and ventilationair. Read the following instructions to insure proper fresh air forthis and other fuel-burning appliances in your home. Toda...

Page 6 - Determining if You Have a Confined or Unconfined Space

6 103343 AIR FOR COMBUSTION AND VENTILATION 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 adjoin...

Page 7 - VENTILATION AIR; Ventilation Air From Inside Building; Figure 3 - Ventilation Air from Outdoors; Ventilation Air From Outdoors; Figure 2 - Ventilation Air from Inside Building

7 103343 AIR FOR COMBUSTION AND VENTILATION Continued WARNING If the area in which the heater may be operated is smaller thanthat defined as an unconfined space, provide adequate combus-tion and ventilation air by one of the methods described in theNational Fuel Gas Code, ANSI Z223.1, 1992, Section ...

Page 8 - INSTALLING; Never install the heater; CHECK GAS TYPE; Vent-free heaters add moisture to the air. Although this is benefi-

8 103343 INSTALLING NOTICE A qualified service person must install heater. Follow all local codes. WARNING Before installing in a solid fuel burning fireplace, the chimney flueand firebox must be cleaned of soot, creosote, ashes and loose paintby a qualified chimney cleaner. Creosote will ignite if ...

Page 9 - Minimum Wall and Ceiling Clearances (see Figure 4); should not be less than 16 inches.; LOG SIZING REQUIREMENTS

9 103343 INSTALLATION AND CLEARANCES (Vent-Free Operation Only) WARNING Maintain the minimum clearances. If you can, provide greater clear-ances from floor, ceiling, and adjoining wall. INSTALLING Continued Carefully follow the instructions below. This will ensure safe installation into amasonry or ...

Page 10 - Minimum Non Combustible Material Clearances; If you cannot meet these minimum clearances, you must operate; Requirements for; Non combustible material okay.

10 103343 INSTALLING Continued Heat ResistantMaterial (A) Minimum Non Combustible Material Clearances If Not Using MantelNote: 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. Noncom...

Page 11 - If Using Mantel; Figure 6 - Minimum Mantel Clearances Without Using Hood; Mantel Clearances

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

Page 12 - Floor Clearances

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 arein inches Log Set 18", 24", 30"Models 20" 2 1 /2 " 6" 8" 10" 12"...

Page 13 - will not work properly.; Installation Items Needed

13 103343 INSTALLING 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...

Page 14 - Masonry Screw; Figure 10 - Attaching Flexible Gas Hose to Heater; Fitting; Figure 11 - Attaching Base Assembly to Fireplace Floor

14 103343 INSTALLING Continued Masonry Screw MountingFlanges 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

Page 15 - NOTICE; CAUTION

15 103343 INSTALLING 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 propa...

Page 16 - Figure 12 - Gas Connection; CHECKING GAS CONNECTIONS; Pressure Testing gas Supply Piping system; Test Pressures In Excess Of 1/2 PSIG

16 103343 Tee Joint Pipe Nipple Cap 3" Minimum Sediment Trap GasControl From Gas Meter (5" W.C.** to 10.5" W.C. Pressure) A.G.A. Design-CertifiedManual Shutoff ValveWith 1/8" NPT Tap* Approved FlexibleGas Hose (if allowedby local codes) CAUTION Avoid damage to regulator. Hold gas reg...

Page 17 - Test Pressures Equal To or Less Than 1/2 PSIG; main gas valve located on or near gas meter.; Pressure Testing Heater Gas Connections; internal joints for leaks.; Figure 13 - Manual Shutoff Valve; Open; Figure 14 - Checking Gas Joints; Gas Meter

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-c...

Page 18 - INSTALLING LOGS; Figure 18 - Installing Crossover

18 103343 3 INSTALLING Continued WARNING Failure to position the parts in accordance with these diagrams or failureto use only parts specifically approved with this heater may result inproperty damage or personal injury. INSTALLING LOGS Each log is marked with a number. These numbers will help you i...

Page 19 - FOR YOUR SAFETY READ BEFORE LIGHTING; follow these instructions exactly.; LIGHTING INSTRUCTIONS; fireplace screen is closed before running heater.; OPERATING

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 WARNING If you do not follow these instructions exactly, a fire or explosion mayresult causing property damag...

Page 20 - Figure 19 - Control Knob and Ignitor Button Location

20 103343 O F F PIL O T O N L O I H REMOTEOFFON 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 FlameAdjustmentKnob OPERATING HEATER Continued 5. Wait five (5) minutes to...

Page 21 - TO TURN OFF GAS TO APPLIANCE; Shutting Off Heater; THERMOSTAT CONTROL OPERATION; Adjustment Knob for Remote Operation; HAND HELD REMOTE OPERATION

21 103343 OPERATING HEATER Continued TO 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...

Page 22 - Figure 22 - Thermostat Hand-Held Remote Control Unit Selections; Figure 23 - Correct Pilot Flame Pattern; INSPECTING; Check pilot flame pattern and burner flame patterns often.; PILOT FLAME PATTERN; If pilot flame pattern is incorrect, as shown in Figure 24

22 103343 OPERATING HEATER Continued TEMP STATUS HI LO MAN ON AUTO OFF Increases RoomTemperature Decreases RoomTemperature Turns BurnersOn and Off Shows CurrentOperation Mode Shows Temperature Setting Allows Burners to be TurnedOn and Off with the Hand-Held Remote Unit. Figure 22 - Thermostat Hand-H...

Page 23 - Turn off heater and let cool before cleaning.; SHOOTING; ing items are listed in; REMEDY; LOGS

23 103343 CLEANING AND MAINTENANCE WARNING 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 eachuse. Have heater inspected yearly by a qualified service person.Heater may ...

Page 26 - If you smell gas; See Warning; Operating heater where impurities in air exist may create odors.

26 103343 TROUBLE- SHOOTING 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. ...

Page 27 - SPECIFICATIONS; When gas pressure is too low

27 103343 TECHNICAL SERVICE You may have further questions about installation, operation, or troubleshooting.If so, contact DESA International’s Technical Service Department at1-800-DESA LOG (1-800-337-2564). SPECIFICATIONS CGD3924NR Btu (Variable) 20,000/39,000 Type Gas Natural Gas Only Ignition Pi...

Page 28 - age for parts replaced under warranty.; Parts Under Warranty; Parts Not Under Warranty; When calling DESA International, have ready; REPLACEMENT

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 Departme...

Page 29 - ACCESSORIES

29 103343 ACCESSORIES Purchase these fireplace accessories from your local dealer. If they can not supplythese accessories, either contact your nearest Parts Central (see page 28) or callDESA International’s Sales Department at 1-800-972-7879 for referral informa-tion. You can also write to the addr...

Page 31 - PARTS LIST

31 103343 This list contains replaceable parts used in your heater. When ordering parts, followthe instructions listed under Replacement Parts on page 28 of this manual. PARTS LIST KEYNO. PART NUMBER DESCRIPTION QTY. 1 103008-01 Back Log (#1) 1 2 103009-01 Middle Log (#2) 1 3 103010-01 Front Log (#3...

Page 32 - For information about this warranty write:; KEEP THIS WARRANTY; WARRANTY INFORMATION; Model; Not a UPC

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 thedate of first purchase, provided that the product has been properly installed, operated and maintained in accordance ...