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Desa VGL24NR Owner's Operation And Installation Manual

Unvented (vent-free) gas log heater
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For more information, visit www.desatech.com
For more information, visit www.desatech.com
Also Design-Certified As Vented Decorative Appliances When
VGL24NR
VGL24PR
24" Remote Ready
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 building.
• 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, ser-
vice agency, or the gas supplier.
This appliance may be installed in an aftermarket*, permanently located, manufactured (mobile)
home, where not prohibited by local codes.
This appliance is only for use with the type of gas indicated on the rating plate. This appli-
ance is not convertible for use with other gases.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
Save this manual for future reference.
Save this manual for future reference.
Not Used With Hand-Held Thermostat Remote
UNVENTED (VENT-FREE)
GAS LOG HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
WARNING: Improper installation, adjustment, al-
teration, service, or maintenance can cause injury
or property damage. Refer to this manual for cor-
rect installation and operational procedures. For
assistance or additional information consult a quali-
fied installer, service agency, or the gas supplier.
WARNING: This appliance is for installation only
in a solid-fuel burning masonry or UL127 factory-
built fireplace, or in a listed ventless firebox en-
closure. It is design-certified for these installa-
tions in accordance with ANSI Z21.11.2.
Exception: Do not install this appliance in a fac-
tory-built fireplace that includes instructions stat-
ing it has not been tested or should not be used
with unvented gas logs.
WARNING: This is an unvented gas-fired heater. It
uses air (oxygen) from the room in which it is
installed. Provisions for adequate combustion and
ventilation air must be provided. Refer to Air for
Combustion and Ventilation section on page 4.

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Summary of Contents for Desa VGL24NR

  • Page 1 For more information, visit www.desatech.com For more information, visit www.desatech.com Also Design-Certified As Vented Decorative Appliances When Not Used With Hand-Held Thermostat Remote VGL24NR VGL24PR 24" Remote Ready 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.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SAFETY INFORMATION TABLE OF CONTENTS SAFETY INFORMATION ... 2 PRODUCT IDENTIFICATION ... 3 LOCAL CODES ... 4 UNPACKING ... 4 PRODUCT FEATURES ... 4 REMOTE CONTROL ACCESSORIES ... 4 AIR FOR COMBUSTION AND VENTILATION ... 4 INSTALLATION ... 7 OPERATING HEATER ...

  • Page 3: Product Identification

    SAFETY INFORMATION 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- cate propane/LP supply tank(s) outdoors (propane/LP units only).

  • Page 4: Local Codes

    LOCAL CODES UNPACKING PRODUCT FEATURES REMOTE CONTROL ACCESSORIES AIR FOR COMBUSTION AND VENTILATION Providing Adequate Ventilation 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/NFPA 54*.

  • Page 5: Air For Combustion And Ventilation

    AIR FOR COMBUSTION AND VENTILATION Continued Unusually Tight Construction The air that leaks around doors and windows may provide enough fresh air for combustion and ventilation. However, in buildings of unusually tight construction, you must provide additional fresh air. Unusually tight construction is defined as construction where: a.

  • Page 6: Ventilation Air

    AIR FOR COMBUSTION AND VENTILATION Determining Fresh-Air Flow For Heater Location (Cont.) Ventilation Air AIR FOR COMBUSTION AND VENTILATION Continued The space in the example on page 5 is a confined space because the actual Btu/Hr used is more than the maximum Btu/Hr the space can support. You must provide additional fresh air.

  • Page 7: Installation

    INSTALLATION 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 circulating blower while using heater.
  • Page 8 INSTALLATION Installation and Clearances (Cont.) INSTALLATION Continued Minimum Clearances for Side Combustible Material, Side Wall, and Ceiling A. Clearances from the side of the fireplace cabinet to any com- bustible material and wall should follow diagram in Figure 4. Example: The face of a mantel, bookshelf, etc. is made of combustible material and protrudes 3 combustible material must be 4"...

  • Page 9: Mantel Clearances

    INSTALLATION Continued MANTEL CLEARANCES In addition to meeting noncombustible material clearances, you must also meet required clearances between fireplace opening and mantel shelf. If you do not meet the clearances listed below, you will need a hood. Determining Minimum Mantel Clearances If you meet minimum clearance between mantel shelf and top of fireplace opening, a hood is not required (see Figure 6).

  • Page 10: Installing Damper Clamp Accessory For Vented Operation

    INSTALLATION Installing Damper Clamp Accessory For Vented Operation Installing Heater Base Assembly INSTALLATION Continued INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION 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 material.

  • Page 11: Connecting To Gas Supply

    INSTALLATION Continued 4. Place logs in their proper positions on heater 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 screw locations through holes in mounting flanges (see Figure 12).

  • Page 12: Checking Gas Connections

    INSTALLATION Connecting To Gas Supply (Cont.) Checking Gas Connections INSTALLATION Continued Apply pipe joint sealant lightly to male NPT threads. This will prevent excess sealant from going into pipe. Excess sealant in pipe could result in clogged heater valves. WARNING: Use pipe joint sealant that is resistant to liquid petroleum (LP) gas.
  • Page 13 INSTALLATION Continued Pressure Testing Heater Gas Connections 1. Open equipment shutoff valve (see Figure 15, page 12). 2. Open propane/LP supply tank valve or main gas valve located on or near gas meter for natural gas. 3. Make sure control knob of heater is in the OFF position. 4.

  • Page 14: Installing Logs

    INSTALLATION Installing Optional Remote Accessories (Cont.) Installing Logs INSTALLATION Continued 8. Install remote receiver into receiver bracket using pads and push button clips provided with receiver (see Figure 20). 9. Connect wires to control valve at the TPTH and TH locations as shown in Figure 21.

  • Page 15: Operating Heater

    INSTALLATION Continued 3. Align peg on right support bracket with hole in bottom of right side log (#3). Place log over peg and over last grate finger on right as shown in Figure 25. 4. Place left end of front log (#4) under left side log (#2). Align hole in bottom of right end of log #4 with peg in front of right support bracket (see Figure 26).

  • Page 16: Operating Heater

    OPERATING HEATER Lighting Instructions To Turn Off Gas To Appliance OPERATING HEATER Continued LIGHTING INSTRUCTIONS WARNING: • If fireplace has glass doors, never operate this heater with glass doors closed. If you operate heater with doors closed, heat buildup inside fireplace will cause glass to burst.

  • Page 17: Manual Lighting Procedure

    OPERATING HEATER Continued MANUAL LIGHTING PROCEDURE Follow steps 1 through 6 under Lighting Instructions, page 16. 2. Depress control knob and light pilot with match. 3. Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release control knob. Now follow steps 9 through 11 under Lighting Instructions, page 16.

  • Page 18: Inspecting Burners

    OPERATING HEATER Optional Hand-Held Remote Operation (Cont.) INSPECTING BURNERS Pilot Flame Pattern Main Burner OPERATING HEATER Continued Auto (Thermostatic) Mode 1. Press the POWER and LOCK buttons together to turn on the hand-held remote control. 2. Press AUTO button to select this mode. 3.

  • Page 19: Cleaning And Maintenance

    CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burner, and circulating air passageways of heater clean. In- spect these areas of heater before each use. Have heater inspected yearly by a qualified service person. Heater may need more frequent cleaning due to exces- sive lint from carpeting, bedding material, pet hair, etc.

  • Page 20: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING Note: For additional help, visit DESA Heating Products’ technical service web site at www.desatech.com. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM When ignitor button is pressed, there is no spark at ODS/pilot When ignitor button is pressed, there is...
  • Page 21 TROUBLESHOOTING Continued OBSERVED PROBLEM One or both burners do not light after ODS/ pilot is lit Delayed ignition burner Burner backfiring during combustion Slight smoke or odor during initial operation Moisture/condensation noticed on windows Heater produces a whistling noise when burner is lit White powder residue forming within burner box or on adjacent walls or furniture...
  • Page 22 TROUBLESHOOTING 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 neighbor’s phone. Follow the gas supplier’s instructions.

  • Page 23: Wiring Diagram

    Contact authorized dealers of this product. If they can’t supply original replacement part(s), either contact your nearest Parts Cen- 10.5" tral (see page 26) or call DESA Heating Products at 1-866-672-6040 5" for referral information. When calling DESA Heating Products, have ready •...

  • Page 24: Illustrated Parts Breakdown And Parts List

    ILLUSTRATED PARTS BREAKDOWN Models VGL24PR and VGL24NR ILLUSTRATED PARTS BREAKDOWN MODELS VGL24PR AND VGL24NR Note: Items 8 and 11 are Natural Gas only. For more information, visit www.desatech.com For more information, visit www.desatech.com 29-1 29-5 29-2 29-4 29-3 111640-01B...

  • Page 25: Parts List

    Back Log Left Log Right Log Front Log Crossover Log PARTS AVAILABLE — NOT SHOWN Remote Sensor Bracket Screw, PPH AB 10-16 x .38 Hardware Kit Lava Rock Rockwool Embers 9-Volt Battery Jumper Wire PARTS LIST Models VGL24PR and VGL24NR QTY.

  • Page 26: Accessories

    Purchase these fireplace accessories from your local dealer. If they can not supply these accessories, either contact your nearest Parts Central or call DESA Heating Products’ Sales Department at 1-866-672-6040 for referral information. You can also write to the address listed on the back page of this manual.

  • Page 27: Owner's Registration Form

    Address: City: Home Phone: E-Mail: Please answer the following questions to register your product with DESA Heating Products: 1. Where will the product be used? Living/Family Room Office/Warehouse If you bought this product yourself, did you plan to purchase this type of product before going into the store? 3.
  • Page 28 Postage Required 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 For more information, visit www.desatech.com For more information, visit www.desatech.com 111640-01B TAPE...
  • Page 29 NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ For more information, visit www.desatech.com For more information, visit www.desatech.com 111640-01B...

  • Page 30: Warranty Information

    DESA Heating Products warrants this product to be free from defects in materials and components for four (4) years and five (5) years on stainless steel burners from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions.

This manual is also suitable for:

Vgl24pr

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