Comfort Glow CGD3018N Owner's Operation And Installation Manual
18", 24", 30" variable manually-controlled / thermostatically-controlled unvented (vent-free) natural gas log heaters
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For more information, visit www.desatech.com
For more information, visit www.desatech.com
18", 24", and 30" Variable
Manually-Controlled Models
CGD3018N
CGD3924N
CGD3930N
CRL2718N
CCL3924N
CRL3124N
CCL3018N
Variable Manually-Controlled Models Also Designed Certi ed
Patent Pending
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.
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,* permanently located, manufactured
(mobile) home, where not prohibited by local codes.
This appliance is only for use with 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
Allparts Equipment Inc 1-877-475-5660
(Smoky Mountain Oak Model Shown)
BILTMORE SPLIT OAK, SEASONAL OAK, AND
SMOKY MOUNTAIN OAK LOGS
As Vented Decorative Appliance
Save this manual for future reference.
Save this manual for future reference.
UNVENTED (VENT-FREE)
NATURAL GAS LOG HEATERS
OWNER'S OPERATION AND
INSTALLATION MANUAL
Thermostatically-Controlled
CGD3924NT
CGD3018NT
CCL3924NT
WARNING: Improper installation, adjustment,
alteration, service, or maintenance can cause
injury or property damage. Refer to this
manual for correct installation and opera-
tional procedures. For assistance or addi-
tional information consult a qualified 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 an approved
ventless firebox. It is design-certified for
these installations in accordance with ANSI
Z21.11.2.
Exception: Do not install this appliance in a
factory-built fireplace that includes instruc-
tions stating it has not been tested or should
not be used with unvented gas logs.
www.allpartsinc.com
18", 24" and 30"
Models
CGD3930NT
CCL3018NT
CCL3930NTA
September, 2011
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Table of Contents
Related Manuals for Comfort Glow CGD3018N
Summary of Contents for Comfort Glow CGD3018N
- Page 1 NATURAL GAS LOG HEATERS OWNER’S OPERATION AND INSTALLATION MANUAL For more information, visit www.desatech.com For more information, visit www.desatech.com 18", 24" and 30" 18", 24", and 30" Variable Thermostatically-Controlled Manually-Controlled Models Models CGD3018N CGD3924N CGD3924NT CGD3930NT CGD3930N CRL2718N CGD3018NT CCL3018NT CCL3924N CRL3124N...
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Page 2: Table Of Contents
TABLE OF CONTENTS SAFETY INFORMATION TABLE OF CONTENTS TROUBLESHOOTING .............. 22 SAFETY INFORMATION ............2 PRODUCT IDENTIFICATION ............. 3 OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB .. 25 UNPACKING ................4 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST ..26 REPLACEMENT PARTS ............36 LOCAL CODES ................ -
Page 3: Product Identification
SAFETY INFORMATION PRODUCT IDENTIFICATION SAFETY INFORMATION Continued 1. This appliance is only for use with the type of gas indicated on 13. Do not operate heater if any log is broken. Do not operate the rating plate. This appliance is not convertible for use with heater if a log is chipped (dime-sized or larger). -
Page 4: Unpacking
UNPACKING LOCAL CODES PRODUCT FEATURES Operation Safety Pilot Piezo Ignition System AIR FOR COMBUSTION AND VENTILATION UNPACKING AIR FOR COMBUSTION AND VENTILATION CAUTION: Do not remove the data plates from the grate assembly. The data plates contain important WARNING: This heater shall not be installed in a product information. -
Page 5: Air For Combustion And Ventilation
AIR FOR COMBUSTION AND VENTILATION Providing Adequate Ventilation (Cont.) Determining Fresh-Air Flow For Heater Location AIR FOR COMBUSTION AND VENTILATION Continued c. caulking or sealants are applied to areas such as Add the Btu/Hr of all fuel burning appliances in the space. joints around window and door frames, between sole Vent-free heater _____________ Btu/Hr... -
Page 6: Ventilation Air
AIR FOR COMBUSTION AND VENTILATION Ventilation Air AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR 12" Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space. Ventilation When ventilating to an adjoining unconfined space, you must Ventilation Grills Grills provide two permanent openings: one within 12"... -
Page 7: Installation
INSTALLATION Check Gas Type Installation And Clearances (Vent-Free Operation Only) INSTALLATION NOTICE: This heater is intended for use as supple- CAUTION: This heater creates warm air currents. mental heat. Use this heater along with your primary These currents move heat to wall surfaces next to heating system. - Page 8 INSTALLATION Installation And Clearances (Vent-Free Operation Only) (Cont.) INSTALLATION Continued Minimum Clearances For Side Combustible If Using Mantel Material, Side Wall, and Ceiling You must have noncombustible material(s) above the fireplace opening. Noncombustible materials (such as slate, marble, tile, etc.) A.
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Page 9: Mantel Clearances
INSTALLATION Mantel Clearances Floor Clearances INSTALLATION Continued Mantel Shelf 12" Underside of MANTEL CLEARANCES 10" Mantel Shelf 8" In addition to meeting noncombustible material clearances, you 6" 1 /2 must also meet required clearances between fireplace opening and " All minimum mantel shelf. -
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 INSTALLING HEATER BASE ASSEMBLY FOR VENTED OPERATION CAUTION: Do not remove the data plates attached Note: When used as a vented heater, appliance must be installed to the heater base assembly. -
Page 11: Connecting To Gas Supply
INSTALLATION Installing Heater Base Assembly (Cont.) Connecting To Gas Supply INSTALLATION Continued 1. Apply pipe joint sealant lightly to male threads of the fitting to be threaded into gas regulator. Connect approved flexible gas Masonry hose to gas regulator of heater (see Figure 12). Screw IMPORTANT: Hold gas regulator with wrench when connect- ing flexible gas hose. -
Page 12: Checking Gas Connections
INSTALLATION Connecting To Gas Supply (Cont.) Checking Gas Connections INSTALLATION Continued Installation must include an equipment shutoff valve, union, and CHECKING GAS CONNECTIONS plugged 1/8" NPT tap. Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from heater (see Figure 15). WARNING: Test all gas piping and connections IMPORTANT: Install equipment shutoff valve in an accessible for leaks after installing or servicing. -
Page 13: Installing Logs
INSTALLATION Checking Gas Connections (Cont.) Installing Logs INSTALLATION Continued Pressure Testing Heater Gas Connections Locate pins on the bottom of back log (#1). Slide these pins into the holes in the grate base behind the burner (see Figure 18). 1. Open equipment shutoff valve (see Figure 16, page 12). 2. - Page 14 INSTALLATION Installing Logs (Cont.) INSTALLATION Continued Dual Burner Premium Aged Split Oak Models Crossover Back Log (#2) Log (#3) WARNING: Failure to position the parts in accor- dance with these diagrams or failure to use only parts Hole in Grate specifically approved with this heater may result in Recess Base...
- Page 15 INSTALLATION Installing Logs (Cont.) INSTALLATION Continued Each log is marked with a number. These numbers will help you Log #4 Pins identify the log when installing. It is very important to install these Pins logs exactly as instructed. Do not modify logs. Only use logs supplied with heater.
- Page 16 INSTALLATION Installing Logs (Cont.) INSTALLATION Continued Single Burner Seasonal Oak Models Front Log WARNING: Failure to position the parts in accor- dance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury. The Seasonal Oak Log Set is a reversible log set.
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Page 17: Operating Heater
OPERATING HEATER (Manually Controlled Models) For Your Safety Read Before Lighting Lighting Instructions OPERATING HEATER Manually-Controlled Models FOR YOUR SAFETY READ NOTICE: During initial operation of new heater, burn- BEFORE LIGHTING ing logs will give off a paper-burning smell. Orange flame will also be present. -
Page 18: Manual Lighting Procedure
OPERATING HEATER (MANUALLY CONTROLLED MODELS) Lighting Instructions (Cont.) Variable Control Operation To Turn Off Gas To Appliance Manual Lighting Procedure OPERATING HEATER (THERMOSTATICALLY-CONTROLLED MODELS) For Your Safety Read Before Lighting OPERATING HEATER Continued With control knob pressed in, press and release ignitor but- MANUAL LIGHTING ton. - Page 19 OPERATING HEATER (THERMOSTATICALLY-CONTROLLED MODELS) Lighting Instructions To Turn Off Gas To Appliance OPERATING HEATER Continued With control knob pressed in, press and release ignitor but- LIGHTING ton. This will light pilot. The pilot is attached to the front INSTRUCTIONS burner. If needed, keep pressing ignitor button until pilot lights. Note: If pilot does not stay lit, contact a qualified service WARNING: person or gas supplier for repairs.
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Page 20: Inspecting Burners
OPERATING HEATER (THERMOSTATICALLY-CONTROLLED MODELS) Thermostat Control Operation Manual Lighting Procedure INSPECTING BURNERS CLEANING AND MAINTENANCE OPERATING HEATER Continued BURNER PRIMARY AIR HOLES THERMOSTAT CONTROL OPERATION Air is drawn into the burner through the holes in the fitting at the entrance to the burner. These holes may become blocked with dust The thermostat control knob can be set to any comfort level or lint. -
Page 21: Cleaning And Maintenance
CLEANING AND MAINTENANCE Cleaning Burner Injector Holder and Pilot Air Inlet Hole (Cont.) Logs Main Burner SPECIFICATIONS CLEANING AND MAINTENANCE SPECIFICATIONS Continued Dual Burner Smoky Mountain Oak and Premium Aged Split Oak Models 4. Check the injector holder located at the end of the burner tube again. -
Page 22: Troubleshooting
TROUBLESHOOTING 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 ODS/pilot. This can damage ODS/ servicing. Only a qualified ser- International’s technical service web site vice person should service and pilot unit. - Page 23 TROUBLESHOOTING 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 20) or replace burner orifice 2. Inlet gas pressure is too low 2.
- Page 24 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.
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Page 25: Optional Positioning Of Thermostat Sensing Bulb
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 Figure 47 - Adhesive-backed Mounting Clip lower than ideal comfort level before the log set comes back on, you may want to reposition the thermostat sensing bulb. -
Page 26: Illustrated Parts Breakdown And Parts List
ILLUSTRATED PARTS BREAKDOWN CGD3018N, CGD3924N, CGD3930N, CCL3018N, CCL3924N ILLUSTRATED PARTS Smoky Mountain BREAKDOWN Oak Logs Variable Manually-Controlled CGD3018N, CGD3924N CGD3930N, CCL3018N CCL3924N Biltmore Split Oak Logs For more information, visit www.desatech.com For more information, visit www.desatech.com 107123-01F... -
Page 27: Parts List
PARTS LIST CGD3018N, CGD3924N, CGD3930N, CCL3018N, CCL3924N PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 36 of this manual. Variable Manually-Controlled PART NUMBER CCL3018N CCL3924N... - Page 28 ILLUSTRATED PARTS BREAKDOWN CGD3018NT, CGD3924NT, CGD3930NT ILLUSTRATED PARTS BREAKDOWN Thermostatically-Controlled Smoky Mountain Oak Models CGD3018NT CGD3924NT CGD3930NT For more information, visit www.desatech.com For more information, visit www.desatech.com 107123-01F...
- Page 29 PARTS LIST CGD3018NT, CGD3924NT, CGD3930NT PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 36 of this manual. Thermostatically-Controlled Smoky Mountain Oak Models CGD3018NT CGD3924NT CGD3930NT PART NUMBER PART NUMBER PART NUMBER...
- Page 30 ILLUSTRATED PARTS BREAKDOWN CGD3018NT, CGD3924NT, CGD3930NT ILLUSTRATED PARTS BREAKDOWN Thermostatically-Controlled Biltmore Split Oak Model CCL3018NT For more information, visit www.desatech.com For more information, visit www.desatech.com 107123-01F...
- Page 31 PARTS LIST CGD3018NT, CGD3924NT, CGD3930NT PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 36 of this manual. Thermostatically-Controlled Biltmore Split Oak Model CCL3018NT PART NUMBER DESCRIPTION QTY.
- Page 32 ILLUSTRATED PARTS BREAKDOWN CCL3924NT, CCL3930NTA ILLUSTRATED PARTS BREAKDOWN Thermostatically-Controlled Biltmore Split Oak Model CCL3924NT, CCL3930NTA For more information, visit www.desatech.com For more information, visit www.desatech.com 107123-01F...
- Page 33 PARTS LIST CCL3924NT, CCL3930NTA PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 36 of this manual. Thermostatically-Controlled Biltmore Split Oak Model PART NUMBER CCL3924NT CCL3930NTA DESCRIPTION QTY.
- Page 34 ILLUSTRATED PARTS BREAKDOWN CRL2718N, CRL3124N ILLUSTRATED PARTS BREAKDOWN Variable Manually-Controlled Seasonal Oak Models CRL2718N, CRL3124N For more information, visit www.desatech.com For more information, visit www.desatech.com 107123-01F...
- Page 35 PARTS LIST CRL2718N, CRL3124N PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 36 of this manual. Variable Manually-Controlled Mountain Oak Models PART NUMBER CRL2718N CRL3124N DESCRIPTION QTY.
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Page 36: Replacement Parts
REPLACEMENT PARTS SERVICE HINTS TECHNICAL SERVICE SPECIFICATIONS ACCESSORIES REPLACEMENT PARTS ACCESSORIES Note: Use only original replacement parts. This will protect your Purchase these fireplace accessories from your local dealer. If they warranty coverage for parts replaced under warranty. can not supply these accessories, call DESA International’s Sales Department at 1-866-672-6040 for referral information. -
Page 37: Owner's Registration
You can register online at www.desatech.com. If access to our website is not available to you, please complete this Owner’s Registration Form and mail to the address on the back of this owner’s manual. Please provide the following product information: Brand: (Comfort Glow, Vanguard, etc.) Model: (EFP33PR, VTGH33NR, etc.) Date Purchased: Note: Keep receipt for warranty verification. - Page 38 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 TAPE 107123-01F...
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Page 39: Parts Central
PARTS CENTRAL PARTS CENTRAL These Parts Centrals are privately owned businesses. They have agreed to support our customer’s needs by providing original replacement parts and accessories. Baltimore Electric Washer Equipment Co. 1348 Dixwell Avenue 1715 Main Street Hamden, CT 06514-0322 Kansas City, MO 64108-2195 1-800-397-7553 KS, MO, AR... -
Page 40: Warranty Information
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.