Desa Comfort Glow CGB3924NRA Owner's Operation And Installation Manual
Desa owner's operation and installation manual premium aged split oak and yellow flame unvented (vent-free) natural gas log heaters cgd3924nra, cgb3924nra,cgb3930nra
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- Owner's operation and installation manual (29 pages)
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PREMIUM AGED SPLIT OAK AND
YELLOW FLAME UNVENTED (VENT-FREE)
NATURAL GAS LOG HEATERS
Also Design-Certified As Vented Decorative Appliances When
Not Used With Hand-Held Thermostat Remote
OWNER'S OPERATION AND INSTALLATION MANUAL
CGD3924NRA
CGB3924NRA
CGB3930NRA
24" and 30"
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.
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 of this manual.
This appliance may be installed in an aftermarket* manufactured (mobile) home, where not
prohibited by state or local codes.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer.
(Yellow Flame Model Shown)
Save this manual for future reference.
WARNING: Improper installation, ad-
justment, alteration, service, or mainte-
nance can cause injury or property dam-
age. Refer to this manual for correct
installation and operational procedures.
For assistance or additional informa-
tion consult a qualified installer, ser-
vice agency, or the gas supplier.
WARNING: This appliance is for instal-
lation only in a solid-fuel burning ma-
sonry or UL127 factory-built fireplace,
or in an approved ventless firebox. It is
design-certified for these installations
in accordance with ANS Z21.11.2.
Exception: Do not install this appli-
ance in a factory-built fireplace that
includes instructions stating it has not
been tested or should not be used with
unvented gas logs.
®
Patent Pending
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Table of Contents
Related Manuals for Desa Comfort Glow CGB3924NRA
Summary of Contents for Desa Comfort Glow CGB3924NRA
- Page 1 NATURAL GAS LOG HEATERS Also Design-Certified As Vented Decorative Appliances When Not Used With Hand-Held Thermostat Remote OWNER’S OPERATION AND INSTALLATION MANUAL CGD3924NRA CGB3924NRA CGB3930NRA 24" and 30" 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: Safety Information
UNVENTED NATURAL GAS LOG HEATER SAFETY INFORMATION WARNINGS IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, oper- ate, or service this heater. Im- proper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning. -
Page 3: Product Identification
PRODUCT IDENTIFICATION Crossover Log Front Log Optional Remote Control Piezo Ignitor Optional Selector Switch Flame Adjustment Knob Figure 1 - Yellow Flame Vent-Free Gas Log Heater Shown (Logs May Vary by Model) LOCAL CODES Install and use heater with care. Follow all local codes. -
Page 4: Air For Combustion And Ventilation
UNVENTED NATURAL GAS LOG HEATER AIR FOR COMBUSTION AND VENTILATION WARNING: This heater shall not be installed in a confined space or unusually tight construction unless provisions are provided for adequate combustion and ven- tilation air. Read the following in- structions to insure proper fresh air for this and other fuel-burning appliances in your home. -
Page 5: Determining Fresh-Air Flow For Heater Location
AIR FOR COMBUSTION AND VENTILATION Continued 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 adjoining rooms with doorless passageways or ventilation grills between the rooms. - Page 6 UNVENTED NATURAL GAS LOG HEATER AIR FOR COMBUSTION AND VENTILATION 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 pro- vide two permanent openings: one within 12"...
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Page 7: Installation
INSTALLATION NOTICE: This heater is intended for use as supplemental heat. Use this heater along with your pri- mary heating system. Do not in- stall 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 UNVENTED NATURAL GAS LOG HEATER INSTALLATION Continued NOTICE: Manual control heaters may be used as a vented product. If so, you must always run heater with chimney flue damper open. If running heater with damper open, noncombustible material above fireplace opening is not needed.
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Page 9: Mantel Clearances
INSTALLATION Continued MANTEL CLEARANCES In addition to meeting noncombustible mate- rial clearances, you must also meet required clearances between fireplace opening and mantel shelf. If you do not meet the clear- ances 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... -
Page 10: Installing Damper Clamp Accessory For Vented Operation
UNVENTED NATURAL GAS LOG HEATER INSTALLATION Continued INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION Note: When used as a vented heater, appli- ance must be installed only in a solid-fuel burning fireplace with a working flue and constructed of noncombustible material. If your heater is a manually controlled model, you may use this heater as a vented product. -
Page 11: Connecting To Gas Supply
INSTALLATION Continued 7. Attach base assembly to fireplace floor using two masonry screws (in hardware package) (see Figure 12). 8. Connect to gas supply. See Connect- ing To Gas Supply. Flexible Gas Hose (if allowed by local codes) Fitting Figure 11 - Attaching Flexible Gas Hose to Heater Masonry Screw Mounting... -
Page 12: Checking Gas Connections
UNVENTED NATURAL GAS LOG HEATER INSTALLATION Continued CHECKING GAS CONNECTIONS WARNING: Test all gas pip- ing and connections for leaks after installing or servicing. Cor- rect all leaks at once. WARNING: Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints. -
Page 13: Installing Logs
INSTALLATION Continued INSTALLING WIRELESS REMOTE CONTROL ACCESSORY Two 9-volt alkaline batteries (not included) are required to operate this heater with the wireless hand held remote control set. One battery must be installed in the receiver and one in the hand-held remote control unit. Note: Only use alkaline batteries. - Page 14 UNVENTED NATURAL GAS LOG HEATER INSTALLATION Continued 4. Locate the notches in the bottom of the crossover log (#4). Place the crossover log on top of the middle log and front log. Make sure the notches of the cross- over log lines up with rectangular knobs on top of the middle and front logs (see Figure 24).
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Page 15: Operating Heater
INSTALLATION Continued Log Piece (#5) Figure 29 - Installing Log Piece (#5) OPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result caus- ing property damage, personal injury or loss of life. -
Page 16: To Turn Off Gas To Appliance
UNVENTED NATURAL GAS LOG HEATER OPERATING HEATER Continued 7. With control knob pressed in, press and release ignitor button. This will light pilot. The pilot is attached to the front burner. If needed, keep press- ing ignitor button until pilot lights. Note: If pilot does not stay lit, con- tact a qualified service person or gas supplier for repairs. -
Page 17: Inspecting Burners
OPERATING HEATER Continued IMPORTANT: This remote control has been specially engineered to take an air temperature sample every 5.5 minutes in the auto mode. It will not respond immediately to the tempera- ture setting being turned up or down. IMPORTANT: The hand-held remote control unit must be near the heater. -
Page 18: Cleaning And Maintenance
If so, contact your local natural gas supplier. TECHNICAL SERVICE You may have further questions about in- stallation, operation, or troubleshooting. If so, contact DESA International’s Techni- cal Service Department at 1-800-DESA LOG (1-800-337-2564). You can also visit DESA International’s Technical Service site www.desatech.com. -
Page 19: Troubleshooting
TROUBLESHOOTING Note: For additional help, visit DESA International’s 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 20 UNVENTED NATURAL GAS LOG HEATER TROUBLESHOOTING Continued 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/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 21 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.
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Page 22: Illustrated Parts Breakdown
UNVENTED NATURAL GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN CGD3924NRA 105677... -
Page 23: Parts List
PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 26 of this manual. CGD3924NRA 105677 PART NUMBER DESCRIPTION 103008-01 Back Log (#1) 103009-01 Middle Log (#2) 103010-01 Front Log (#3) 103011-01... - Page 24 UNVENTED NATURAL GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN CGB3924NRA CGB3930NRA 105677...
- Page 25 PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 26 of this manual. CGB3924NRA CGB3930NRA 105677 CGB3924NRA CGB3930NRA PART NUMBER PART NUMBER 104897-01 104897-02 104898-01 104898-02...
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Page 26: Replacement Parts
PARTS NOT UNDER WARRANTY Contact authorized dealers of this product. If they can’t supply original replacement part(s), either contact your nearest Parts Central or call DESA International’s Parts Department at 1-800-972-7879 for referral information. When calling DESA International, have ready •... -
Page 27: Specifications
Purchase these fireplace accessories from your local dealer. If they can not supply these accessories, either contact your near- est Parts Central (see page 28) or call DESA International’s Sales Department at 1-800- 972-7879 for referral information. You can also write to the address listed on the back page of this manual. -
Page 28: Warranty Information
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.