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ROYAL ENGLISH OAK AND WINCHESTER OAK
NATURAL GAS LOG HEATER
VARIABLE MANUALLY-CONTROLLED MODELS ALSO DESIGN-CERTIFIED
OWNER'S OPERATION AND INSTALLATION MANUAL
18" and 24" Variable
Manually-Controlled Models
CGS2718N
CGS3124N
CLD3018NA
WARNING: If the information in this manual
is not followed exactly, a fire or explosion
may result causing property damage, per-
sonal 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 supplier,
call the fire department.
— Installation and service must be per-
formed by a qualified installer, service
agency, or the gas supplier.
This appliance may be installed in an aftermar-
ket,* permanently located, manufactured (mo-
bile) home, where not prohibited by 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
UNVENTED (VENT-FREE)
AS VENTED DECORATIVE APPLIANCES
(Winchester Oak Model Shown)
Save this manual for future reference.
24" Thermostatically-
Controlled Model
CLD3924NTA
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
firebox. It is design-certified for these
installations in accordance with ANS
Z21.11.2. Exception: Do not install
this appliance in a factory-built fire-
place 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. Pro-
visions for adequate combustion and
ventilation air must be provided. Re-
fer to Air for Combustion and Ventila-
tion section on page 4 of this manual.
Patent
Pending
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Table of Contents
Related Manuals for Comfort Glow CGS2718N
Summary of Contents for Comfort Glow CGS2718N
- Page 1 AS VENTED DECORATIVE APPLIANCES OWNER’S OPERATION AND INSTALLATION MANUAL 18" and 24" Variable 24" Thermostatically- Controlled Model Manually-Controlled Models CLD3924NTA CGS2718N CGS3124N Patent CLD3018NA Pending (Winchester Oak Model Shown) WARNING: Improper installation, ad- WARNING: If the information in this manual...
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Page 2: Safety Information
CGS2718N, CGS3124N, CLD3018NA, and CLD3924NTA UNVENTED NATURAL GAS LOG HEATER SAFETY Before installing in a solid fuel burn- Due to high temperatures, the ing fireplace, the chimney flue and fire- INFORMATION appliance should be located out box must be cleaned of soot, creosote,... -
Page 3: Product Identification
OWNER’S MANUAL SAFETY LOCAL CODES UNPACKING INFORMATION Install and use heater with care. Follow all WARNING: Do not remove Continued local codes. In the absence of local codes, use the metal Data Plates from the the latest edition of The National Fuel Gas grate assembly. -
Page 4: Air For Combustion And Ventilation
CGS2718N, CGS3124N, CLD3018NA, and CLD3924NTA UNVENTED NATURAL GAS LOG HEATER AIR FOR PROVIDING ADEQUATE Confined Space and Unconfined Space VENTILATION COMBUSTION AND The National Fuel Gas Code ANS Z223.1 The following are excerpts from National VENTILATION defines a confined space as a space whose Fuel Gas Code. -
Page 5: Determining Fresh-Air Flow For Heater Location
OWNER’S MANUAL 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 CGS2718N, CGS3124N, CLD3018NA, and CLD3924NTA UNVENTED NATURAL GAS LOG HEATER AIR FOR 12" COMBUSTION AND VENTILATION Ventilation Continued Ventilation Grills Grills Into Adjoining Room, VENTILATION AIR Into Adjoining Option 2 Room, Remove Ventilation Air From Inside Option 1 Door into...
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Page 7: Check Gas Type
OWNER’S MANUAL INSTALLATION INSTALLATION AND WARNING: Never install the CLEARANCES heater NOTICE: This heater is intended (Vent-Free Operation Only) • in a bedroom or bathroom un- for use as supplemental heat. Use less installed as a vented ap- this heater along with your pri- pliance (Variable Manually- WARNING: Maintain the mini- mary heating system. - Page 8 CGS2718N, CGS3124N, CLD3018NA, and CLD3924NTA UNVENTED NATURAL GAS LOG HEATER IMPORTANT: If you cannot meet these INSTALLATION If Using Mantel minimum clearances, you must operate Continued You must have noncombustible material(s) heater with chimney flue damper open. Go above the fireplace opening. Noncombus-...
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Page 9: Mantel Clearances
OWNER’S MANUAL INSTALLATION Mantel Shelf 10" Underside of Continued 8" Mantel Shelf 6" MANTEL CLEARANCES " In addition to meeting noncombustible mate- All minimum rial clearances, you must also meet required distances are in inches clearances between fireplace opening and Minimum Non- mantel shelf. -
Page 10: Installing Damper Clamp Accessory For Vented Operation
CGS2718N, CGS3124N, CLD3018NA, and CLD3924NTA UNVENTED NATURAL GAS LOG HEATER Damper INSTALLATION Clamp Damper Continued Clamp INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION Damper Note: When used as a vented heater, appli- ance must be installed only in a solid-fuel... -
Page 11: Connecting To Gas Supply
OWNER’S MANUAL INSTALLATION CONNECTING TO GAS IMPORTANT: Install equipment shutoff valve in an accessible location. The equip- SUPPLY Continued ment shutoff valve is for turning on or shutting off the gas to the appliance. 9. Drill holes at marked locations using WARNING: This appliance Apply pipe joint sealant lightly to male 3/16"... -
Page 12: Checking Gas Connections
CGS2718N, CGS3124N, CLD3018NA, and CLD3924NTA UNVENTED NATURAL GAS LOG HEATER INSTALLATION Pressure Testing Heater Gas Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa) Connections Continued Close equipment shutoff valve (see Fig- Open equipment shutoff valve (see Fig- CHECKING GAS ure 14). - Page 13 Log (#3) Notch Continued Rectangular INSTALLING LOGS ON Notch Knob MODELS CGS2718N AND CGS3124N Hole 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.
- Page 14 CGS2718N, CGS3124N, CLD3018NA, and CLD3924NTA UNVENTED NATURAL GAS LOG HEATER INSTALLATION Place crossover log (#4) onto the pin Notches (right) on back log (#2) and into the Continued recess of the middle log (#1) (see Fig- Front Log (#3) ure 22).
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Page 15: Operating Heater
OWNER’S MANUAL OPERATING LIGHTING 4. Wait five (5) minutes to clear out any gas. Then smell for gas, including INSTRUCTIONS HEATER near the floor. If you smell gas, STOP! Follow “B” in the safety in- Manually-Controlled Models WARNING: formation. If you don’t smell gas, go •... -
Page 16: To Turn Off Gas To Appliance
CGS2718N, CGS3124N, CLD3018NA, and CLD3924NTA UNVENTED NATURAL GAS LOG HEATER OPERATING Thermostatically-Controlled LIGHTING Models INSTRUCTIONS HEATER Continued FOR YOUR SAFETY WARNING READ BEFORE • If fireplace has glass doors, VARIABLE CONTROL LIGHTING never operate this heater with OPERATION glass doors closed. If you op-... -
Page 17: Inspecting Burners
OWNER’S MANUAL OPERATING Ignitor Electrode INSPECTING Thermocouple HEATER Pilot Burner BURNERS Continued Check pilot flame pattern and burner flame patterns often. 5. Turn control knob counterclockwise to the PILOT position. C-clockwise PILOT FLAME PATTERN Press in control knob for five (5) sec- onds (see Figure 25). -
Page 18: Cleaning And Maintenance
CGS2718N, CGS3124N, CLD3018NA, and CLD3924NTA UNVENTED NATURAL GAS LOG HEATER Burner INSPECTING We also recommend that you keep the burner Tube tube and pilot assembly clean and free of dust Ports/Slots BURNERS and dirt. To clean these parts we recommend using compressed air no greater than 30 PSI. -
Page 19: Troubleshooting
OWNER’S MANUAL TROUBLESHOOTING WARNING: Turn off and un- CAUTION: Never use a wire, plug heater and let cool before needle, or similar object to clean Note: For additional help, visit DESA servicing. Only a qualified ser- ODS/pilot. This can damage ODS/ International’s technical service web site vice person should service and pilot unit. - Page 20 CGS2718N, CGS3124N, CLD3018NA, and CLD3924NTA UNVENTED NATURAL GAS LOG HEATER TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does light after ODS/pilot is lit 1. Burner orifice clogged 1. Clean burner (see Cleaning and Mainte- nance, page 18) or replace burner orifice 2.
- Page 21 OWNER’S MANUAL 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: Optional Positioning Of Thermostat Sensing Bulb
CGS2718N, CGS3124N, CLD3018NA, and CLD3924NTA UNVENTED NATURAL GAS LOG HEATER OPTIONAL POSI- The mounting clip must be a minimum Thermostat of 3" from bottom of fireplace to pre- TIONING OF THER- Sensing Bulb vent crimping of capillary. Once you have decided on a location, clean the... -
Page 23: Specifications
OWNER’S MANUAL SPECIFICATIONS 18" Model 18" Model 24" Model 24" Model (CGS2718N) (CLD3018NA) (CGS3124N) (CLD3924NTA) Btu (Variable) 16,000/27,000 16,000/30,000 16,000/31,500 20,000/39,000 Type Gas Natural Gas Only Natural Gas Only Natural Gas Only Natural Gas Only Ignition Piezo Piezo Piezo Piezo Manifold Pressure 3.5"... -
Page 24: Illustrated Parts Breakdown
CGS2718N, CGS3124N, CLD3018NA, and CLD3924NTA UNVENTED NATURAL GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN Variable Manually-Controlled Winchester Oak Models CGS2718N CGS3124N 107067... -
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 Winchester Oak Models CGS2718N CGS3124N CGS2718N CGS3124N PART NUMBER PART NUMBER DESCRIPTION QTY. - Page 26 CGS2718N, CGS3124N, CLD3018NA, and CLD3924NTA UNVENTED NATURAL GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN Variable Manually-Controlled Royal English Oak Model CLD3018NA 107067...
- Page 27 OWNER’S MANUAL 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 Royal English Oak Model CLD3018NA CLD3018NA PART NUMBER DESCRIPTION QTY.
- Page 28 CGS2718N, CGS3124N, CLD3018NA, and CLD3924NTA UNVENTED NATURAL GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN Thermostatically-Controlled Royal English Oak Model CLD3924NTA 107067...
- Page 29 OWNER’S MANUAL 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. Thermostatically-Controlled Royal English Oak Model CLD3924NTA CLD3924NTA PART NUMBER DESCRIPTION QTY. 104937-02 Middle Log (#1) 104938-02...
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Page 30: Parts Central
CGS2718N, CGS3124N, CLD3018NA, and CLD3924NTA UNVENTED NATURAL GAS LOG HEATER ACCESSORIES PARTS CENTRAL Tarantin Tank Co. P.O. Box 6129 Purchase these fireplace accessories from These Parts Centrals are privately owned Freehold, NJ 07728-6129 your local dealer. If they can not supply businesses. - Page 31 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ 107067...
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Page 32: Warranty Information
We make no other warranty, expressed or implied. 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 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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