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Comfort Glow CGD3924PR Owner's Operating & Installation Manual

Yellow flame designunvented (vent-free) propane/lp gas log heater
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UNVENTED (VENT-FREE)
PROPANE/LP GAS LOG HEATER
This appliance may be installed in an aftermarket* manufactured (mobile) home, where
not prohibited by state or local codes. 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.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
OWNER'S OPERATION AND INSTALLATION MANUAL
24" Remote/
Thermostatically-
Controlled Model
CGD3924PR
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
• Do not try to light any appliance.
• Do not touch any electrical switch;
do not use any phone in your build-
ing.
• Immediately call your gas supplier
from a neighbor's phone. Follow the
gas supplier's instructions.
• If you cannot reach your gas sup-
plier, call the fire department.
— Installation and service must be per-
formed by a qualified installer, service
agency, or the gas supplier.
YELLOW FLAME DESIGN
Save this manual for future reference.
WARNING: Improper installation, adjust-
ment, alteration, service, or maintenance
can cause injury or property damage.
Refer to this manual for correct installa-
tion and operational procedures. For
assistance or additional information
consult a qualified installer, service
agency, or the gas supplier.
WARNING: This gas log set is for instal-
lation in a masonry solid fuel burning
fireplace or a U.L. listed manufactured
solid fuel burning fireplace.
WARNING: This is an unvented gas-
fired heater. It uses air (oxygen) from
the room in which it is installed. Provi-
sions for adequate combustion and ven-
tilation air must be provided. Refer to
Air for Combustion and Ventilation sec-
tion in this manual.
®

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Summary of Contents for Comfort Glow CGD3924PR

  • Page 1 OWNER’S OPERATION AND INSTALLATION MANUAL 24" Remote/ Thermostatically- Controlled Model ® CGD3924PR WARNING: Improper installation, adjust- WARNING: If the information in this ment, alteration, service, or maintenance manual is not followed exactly, a fire or can cause injury or property damage.

  • Page 2: Table Of Contents

    CONTENTS SECTION PAGE Safety Information ................... 2 Product Identification ................4 Local Codes ..................... 4 Unpacking....................4 Product Features ..................4 Air for Combustion and Ventilation ............5 Installing ....................8 Check Gas Type ................8 Installation and Clearances (Vent-Free Operation Only) ....9 Installing Heater Base Assembly .............
  • Page 3 WARNINGS Continued SAFETY 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 INFORMATION is not convertible for use with other gases. 2.

  • Page 4: Product Identification

    PRODUCT Crossover Log Back Log IDENTIFICATION Front Log Burner Middle Log Remote Piezo Remote Ignitor Control Selector Switch Flame Base Grate Adjustment Control Knob Knob 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*.

  • Page 5: Air For Combustion And Ventilation

    AIR FOR WARNING COMBUSTION 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. VENTILATION Today’s homes are built more energy efficient than ever.
  • Page 6 AIR FOR DETERMINING AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space COMBUSTION 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 VENTILATION doorless passageways or ventilation grills between the rooms.
  • Page 7 AIR FOR WARNING COMBUSTION 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 VENTILATION National Fuel Gas Code, ANSI Z223.1, 1992, Section 5.3. Continued VENTILATION AIR Ventilation Air From Inside Building...

  • Page 8: Installing

    INSTALLING NOTICE A qualified service person must install heater. Follow all local codes. NOTICE State or local codes may only allow operation of this appliance in a vented configuration. Check your state or local codes. WARNING Make sure the remote selector switch is in the OFF position before installing heater.

  • Page 9: Installation And Clearances (Vent-Free Operation Only)

    INSTALLING INSTALLATION AND CLEARANCES (Vent-Free Operation Only) Continued WARNING Maintain the minimum clearances. If you can, provide greater clear- ances from floor, ceiling, and adjoining wall. MINIMUM FIREPLACE CLEARANCE TO COMBUSTIBLE MATERIALS Log Size Side Wall Ceiling 24" 16" 42" LOG SIZING REQUIREMENTS Minimum Firebox Size Size...
  • Page 10 Minimum Non Combustible Material Clearances INSTALLING If Not Using Mantel Continued 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, tile, etc.) must be at least 1/2 inch thick.
  • Page 11 Minimum Non Combustible Material Clearances INSTALLING If Using Mantel Continued 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 must extend at least 8 inches up (for all models).
  • Page 12 INSTALLING Mantel Shelf 12" Underside of 10" Continued Mantel Shelf 8" 6" " All minimum distances are in inches Minimum Non- Combustible Log Set Material 8" 12" 15" 18" 20" 18", 24", 30" Models Min. Top of Fireplace Opening Hood Distances to (GA6050, GA6052) Underside of...

  • Page 13: Installing Heater Base Assembly

    INSTALLING INSTALLING HEATER BASE ASSEMBLY WARNING Continued You must secure this heater to fireplace floor. If not, heater will move when you adjust controls. Moving heater may cause a gas leak. WARNING If installing in a sunken fireplace, special care is needed. You must raise the fireplace floor to allow access to heater control panel.
  • Page 14 INSTALLING Continued Flexible Gas Hose (if allowed by local codes) Fitting Figure 10 - Attaching Flexible Gas Hose to Heater Masonry Screw Mounting Flanges Figure 11 - Attaching Base Assembly to Fireplace Floor CONNECTING TO GAS SUPPLY NOTICE A qualified service person must connect heater to gas supply. Follow all local codes.

  • Page 15: Connecting To Gas Supply

    Installation Items Needed INSTALLING Before installing heater, make sure you have the items listed below. Continued • piping (check local codes) • sediment trap • sealant (resistant to propane/LP gas) • tee joint • manual shutoff valve * • pipe wrench •...

  • Page 16: Checking Gas Connections

    INSTALLING CAUTION Continued Avoid damage to regulator. Hold gas regulator with wrench when connecting it to gas piping and/or fittings. A.G.A. Design-Certified Manual Shutoff Valve From With 1/8" NPT Tap* Propane Tank Approved Flexible (11" W.C.** to Gas Hose (if allowed 14"...
  • Page 17 INSTALLING 3. Pressurize supply piping system by either using compressed air or opening propane supply tank valve. Continued 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.

  • Page 18: Installing Logs

    INSTALLING INSTALLING LOGS Continued WARNING 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. Each log is marked with a number. These numbers will help you identify the log when installing.

  • Page 19: Operating Heater

    OPERATING FOR YOUR SAFETY READ BEFORE LIGHTING HEATER WARNING 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 appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly.
  • Page 20 OPERATING 4. Press in and turn control knob clockwise to the OFF position. Control Knob Flame HEATER Adjustment Knob Continued REMOTE Selector Switch in OFF Position Ignitor Button Figure 20 - Control Knob and Ignitor Button Location 5. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor.

  • Page 21: Manual Lighting Procedure

    TO TURN OFF GAS TO APPLIANCE OPERATING HEATER Shutting Off Heater 1. Turn control knob clockwise to the OFF position. Continued 2. Set remote selector switch in the OFF position to prevent 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: •...

  • Page 22: Inspecting Burners

    OPERATING 3. Use the STATUS button on the hand-held remote control unit to see the operation mode being used and the temperature setting selected. A red light will come on HEATER beside the operation mode being used when the status button is pressed. 4.

  • Page 23: Cleaning And Maintenance

    CLEANING WARNING Turn off heater and let cool before cleaning. MAINTENANCE 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 lint from carpeting, bedding material, etc.
  • Page 24 OBSERVED POSSIBLE TROUBLE- PROBLEM CAUSE REMEDY SHOOTING When ignitor button 1. Gas supply turned off or 1. Turn on gas supply or Continued is pressed, there is manual shutoff valve open manual shutoff spark at ODS/pilot closed valve but no ignition 2.
  • Page 25 TROUBLE- OBSERVED POSSIBLE PROBLEM CAUSE REMEDY SHOOTING Burner does light 1. Burner orifice clogged 1. Clean burner (see Continued after ODS/pilot is lit Cleaning and Mainte- nance, page 23) or replace burner orifice 2. Inlet gas pressure is 2. Contact local propane too low gas company 3.
  • Page 26 TROUBLE- WARNING SHOOTING If you smell gas • Shut off gas supply. Continued • 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: Technical Service

    TECHNICAL You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at SERVICE 1-800-DESA LOG (1-800-337-2564). SPECIFICATIONS CGD3924PR Btu (Variable) 20,000/39,000 Type Gas Propane Only Ignition Piezo Manifold Pressure 8.0" W.C. Inlet Gas Pressure (in.

  • Page 28: Replacement Parts

    Note: Use only original replacement parts. This will protect your warranty cover- REPLACEMENT age for parts replaced under warranty. PARTS 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).

  • Page 29: Accessories

    Purchase these fireplace accessories from your local dealer. If they can not supply ACCESSORIES 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. MANUAL SHUTOFF VALVE - GA5010 Manual shutoff valve with 1/8"...

  • Page 30: Illustrated Parts Lists

    ILLUSTRATED PARTS BREAKDOWN CGD3924PR 103344...
  • Page 31 This list contains replaceable parts used in your heater. When ordering parts, follow PARTS LIST the instructions listed under Replacement Parts on page 28 of this manual. PART NUMBER DESCRIPTION QTY. 103008-01 Back Log (#1) 103009-01 Middle Log (#2) 103010-01 Front Log (#3) 103011-01 Crossover Log (#4)

  • Page 32: Warranty Information

    We make no other warranty, expressed or implied. LIMITED WARRANTY COMFORT GLOW VENT-FREE PROPANE GAS LOG HEATERS DESA International warrants this product to be free from defects in materials and components for two (2) year from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions.

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