Desa Comfort Glow CGG2618N Owner's Operation And Installation Manual
Desa owner's operation and installation manual unvented (vent-free) natural gas log heater cgg2618n, cgg3324n(t), cgg3630n
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- Owner's operation and installation manual (29 pages)
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UNVENTED (VENT-FREE)
NATURAL GAS LOG HEATER
VARIABLE MANUALLY-CONTROLLED MODELS ALSO DESIGN-CERTIFIED
OWNER'S OPERATION AND INSTALLATION MANUAL
CGG2618N,
CGG3324N(T), and
CGG3630N
Thermostat and
Variably-Controlled
Models
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, service
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, page 4, in 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
103424
AS VENTED DECORATIVE APPLIANCES
Save this manual for future reference.
1
OWNER'S MANUAL
WARNING: Improper installation, ad-
justment, alteration, service, or main-
tenance can cause injury or property
damage. Refer to this manual for cor-
rect installation and operational proce-
dures. For assistance or additional in-
formation consult a qualified installer,
service agency, or the gas supplier.
WARNING: This appliance is for in-
stallation only in a solid-fuel burning
masonry or UL127 factory-built fire-
place, or in an approved ventless fire-
box. 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.
®
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Table of Contents
Related Manuals for Desa Comfort Glow CGG2618N
Summary of Contents for Desa Comfort Glow CGG2618N
- Page 1 UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER VARIABLE MANUALLY-CONTROLLED MODELS ALSO DESIGN-CERTIFIED OWNER’S OPERATION AND INSTALLATION MANUAL CGG2618N, CGG3324N(T), and CGG3630N Thermostat and Variably-Controlled Models 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.
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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, 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. -
Page 3: Product Identification
PRODUCT IDENTIFICATION Bottom Mid Log (#2) Piezo Ignitor Front Log (#3) Front Burner Control 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 ANS Z223, also known as NFPA 54*. -
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 worksheet 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: Ventilation Air
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"... -
Page 7: Check Gas Type
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 ma- terial clearances, you must also meet re- quired clearances between fireplace open- ing and mantel shelf. If you do not meet the minimum clearances listed in Figure 6, you will need a hood. Determining Minimum Mantel Clearance If you meet minimum clearance between... -
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 4. Remove heater base from fireplace. 5. Drill holes at marked locations using 3/16" drill bit. Drill at a 45° angle. 6. Attach base to fireplace floor using masonry screws hardware package (see Figure 12). 7. Connect to gas supply. See Connect- ing To Gas Supply. -
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 LOGS 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. CAUTION: Do not remove the metal data plates attached to the heater base assembly. -
Page 14: Operating Heater
UNVENTED NATURAL GAS LOG HEATER OPERATING HEATER Thermostat-Controlled Models 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. A. - Page 15 OPERATING HEATER Continued TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. Turn control knob clockwise to the OFF position. Shutting Off Burners Only (pilot stays lit) 1. Turn control knob clockwise to the PILOT position. THERMOSTAT CONTROL OPERATION The thermostat control knob can be set to any comfort level between Hi and Lo.
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Page 16: Inspecting Burners
UNVENTED NATURAL GAS LOG HEATER OPERATING HEATER Continued Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety in- formation, page 15. If you don’t smell gas, go to the next step. -
Page 17: Cleaning And Maintenance
INSPECTING BURNERS Continued FRONT BURNER FLAME PATTERN Figure 26 shows correct front burner flame pattern. Figure 27 shows incorrect front burner flame pattern. The incorrect burner flame pattern shows yellow tipping at top of blue flame. WARNING: If yellow tipping occurs, your heater could pro- duce increased levels of carbon monoxide. -
Page 18: Troubleshooting
UNVENTED NATURAL GAS LOG HEATER 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... - Page 19 TROUBLESHOOTING Continued OBSERVED PROBLEM One or both burners do not light after ODS/ pilot is lit Delayed ignition of one or both burners Burner backfiring during combustion Yellow flame in front burner during burner combustion Slight smoke or odor during initial operation Moisture/condensation noticed on windows Heater produces a whistling noise when burners are lit...
- Page 20 UNVENTED NATURAL GAS LOG HEATER 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. •...
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Page 21: Optional Positioning Of Thermostat Sensing Bulb
OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB FOR MASONRY AND FACTORY-BUILT METAL FIREPLACE If your log set cycles to pilot, but the room temperature drops to a lower than ideal comfort level before the log set comes back on, you may want to reposition the thermo- stat sensing bulb. -
Page 22: Specifications
40 lbs. 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 web site at www.desatech.com. -
Page 23: Replacement Parts
WARRANTY Contact authorized dealers of this product. If they can’t supply original replacement part(s), either contact your nearest Parts Central (see above) or call DESA International’s Parts Department at 1-800- 972-7879 for referral information. When calling DESA International, have ready •... -
Page 24: Illustrated Parts Breakdown
UNVENTED NATURAL GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN Variable Manually-Controlled Models CGG2618N CGG3324N CGG3630N 27-1 27-2 103424... -
Page 25: 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 23 of this manual. Variable Manually-Controlled Models CGG2618N CGG3324N CGG3630N CGG2618N 103681-04 103681-02 103681-01 103681-03 098249-01 101006-01... - Page 26 UNVENTED NATURAL GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN Thermostat-Controlled Model CGG3324NT 7-1 7-2 10-2 10-1 103424...
- Page 27 PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 23 of this manual. Thermostat-Controlled Model CGG3324NT 103424 PART NUMBER DESCRIPTION 103682-04 Rear Log (#1) 103682-02 Bottom Middle Log (#2) 103682-01 Front Log (#3) 103682-03...
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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.