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PREMIUM AGED SPLIT OAK AND
YELLOW FLAME UNVENTED (VENT-FREE)
NATURAL GAS LOG HEATERS
OWNER'S OPERATION AND INSTALLATION MANUAL
CGD3924NR
CGB3924NR
CGB3930NR
24" and 30" Remote
Controlled Model
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 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* manufactured (mobile) home, where not
prohibited by state or local codes.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer.
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.
Allparts Equipment Inc 1-877-475-5660
(Yellow Flame Model Shown)
Save this manual for future reference.
Remote Control
Operation Requires
Two (2) 9-Volt Alkaline
Batteries Not Included
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 ANSI 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.
www.allpartsinc.com
®
September, 2011
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Table of Contents
Related Manuals for Comfort Glow CGD3924NR
Summary of Contents for Comfort Glow CGD3924NR
- Page 1 PREMIUM AGED SPLIT OAK AND YELLOW FLAME UNVENTED (VENT-FREE) NATURAL GAS LOG HEATERS OWNER’S OPERATION AND INSTALLATION MANUAL Remote Control CGD3924NR Operation Requires CGB3924NR Two (2) 9-Volt Alkaline Batteries Not Included CGB3930NR 24" and 30" Remote Controlled Model ® (Yellow Flame Model Shown)
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Page 2: Safety Information
CGD3924NR, CGB3924NR and CGB3930NR UVENTED NATURAL GAS LOG HEATER SAFETY • immediately call your gas supplier 11. Do not use a blower insert, heat ex- from a neighbor’s phone. Follow the changer insert or other accessory not INFORMATION gas supplier’s instructions approved for use with this heater. -
Page 3: Product Identification
OWNER’S MANUAL PRODUCT PRODUCT IDENTIFICATION FEATURES Operation Back Log Crossover Log This heater is clean burning. It requires no outside venting. There is no heat loss out a vent or up a chimney. Heat is generated by Front Log realistic dancing, yellow flames. This heater is designed for vent-free operation with flue damper closed. -
Page 4: Air For Combustion And Ventilation
CGD3924NR, CGB3924NR and CGB3930NR UVENTED NATURAL GAS LOG HEATER AIR FOR Unusually Tight Construction Confined Space and Unconfined Space COMBUSTION AND The air that leaks around doors and win- dows may provide enough fresh air for The National Fuel Gas Code (ANSI Z2123.1, VENTILATION combustion and ventilation. - Page 5 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 CGD3924NR, CGB3924NR and CGB3930NR UVENTED NATURAL GAS LOG HEATER AIR FOR 12" COMBUSTION AND VENTILATION Ventilation Continued Ventilation Grills Grills Into Adjoining Room, Into Adjoining VENTILATION AIR Option 2 Room, Remove Option 1 Door into Ventilation Air From Inside Adjoining...
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Page 7: Installation
OWNER’S MANUAL INSTALLATION LOG SIZING REQUIREMENTS WARNING: Never install the heater Minimum Firebox Size NOTICE: This heater is intended • in a bedroom or bathroom for use as supplemental heat. Use Rear • in a recreational vehicle this heater along with your pri- Width •... - Page 8 CGD3924NR, CGB3924NR and CGB3930NR UVENTED NATURAL GAS LOG HEATER INSTALLATION Non-Combustible Requirements for Continued Material Distance (A) Safe Installation 12" or more Non-combustible material okay. Minimum Non-Combustible Between 8" and 12" Install fireplace hood accessory (GA6050, GA6052, Material Clearances or GA6053, see Accessories , page 21).
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Page 9: Mantel Clearances
OWNER’S MANUAL INSTALLATION Mantel Shelf 10" Underside of Continued 8" Mantel Shelf 6" MANTEL CLEARANCES " If you meet minimum clearance between All minimum mantel shelf and top of fireplace opening, a distances are hood is not required (see Figure 6). in inches Minimum Non- If minimum clearances in Figure 6 are not... - Page 10 CGD3924NR, CGB3924NR and CGB3930NR UVENTED NATURAL GAS LOG HEATER INSTALLATION Installation Items Needed Locate masonary screws in hardware package. • hardware package (provided with heater) Continued Position heater base assembly in fire- • approved flexible gas hose (not provided) place.
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Page 11: Connecting To Gas Supply
OWNER’S MANUAL INSTALLATION Install sediment trap in supply line as shown WARNING: Never connect in Figure 12. Locate sediment trap where it Continued heater to private (non-utility) gas is within reach for cleaning. Locate sedi- wells. This gas is commonly ment trap where trapped matter is not likely CONNECTING TO GAS known as well-head gas. - Page 12 CGD3924NR, CGB3924NR and CGB3930NR UVENTED NATURAL GAS LOG HEATER INSTALLATION Pressure Testing Heater Gas 9-VOLT BATTERY Connections INSTALLATION Continued 1. Open manual shutoff valve (see Fig- Two 9-volt alkaline batteries (not included) Test Pressures Equal To or Less Than ure 13).
- Page 13 Back Log (#1) Front Log (#3) Continued Recess INSTALLING LOGS Hole in (CGD3924NR) Grate Base 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 Post damage or personal injury.
- Page 14 CGD3924NR, CGB3924NR and CGB3930NR UVENTED NATURAL GAS LOG HEATER INSTALLATION 1. Place the base of the middle log (#1) in Locate the notches in the bottom of the the U-shaped slots of the grate base. front log (#4). Place the front log on...
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Page 15: Operating Heater
OWNER’S MANUAL OPERATING LIGHTING WARNING: Burners will come INSTRUCTIONS HEATER on automatically within one minute when the remote selector WARNING: FOR YOUR SAFETY switch is in the ON position after • If fireplace has glass doors, the pilot is lit. READ BEFORE never operate this heater with LIGHTING... - Page 16 CGD3924NR, CGB3924NR and CGB3930NR UVENTED NATURAL GAS LOG HEATER OPERATING THERMOSTAT IMPORTANT: Do not leave the re- mote selector switch in the REMOTE CONTROL HEATER position when the pilot is not lit. This OPERATION will drain the battery. Continued The thermostat control setting on the Select the MANUAL or AUTO button 9.
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Page 17: Cleaning And Maintenance
OWNER’S MANUAL OPERATING CLEANING AND HEATER MAINTENANCE Continued WARNING: Turn off heater Shows Temperature Setting and let cool before cleaning. Increases Room Temperature TEMP Decreases Room Allows Burners to be CAUTION: You must keep Temperature Turned On and Off with the control areas, burner, and circu- Hand-Held Remote Unit. -
Page 18: Troubleshooting
CGD3924NR, CGB3924NR and CGB3930NR UVENTED NATURAL GAS LOG HEATER TROUBLESHOOTING WARNING: Turn off heater CAUTION: Never use a wire, and let cool before servicing. Only needle, or similar object to clean Note: All troubleshooting items are listed in a qualified service person should ODS/pilot. - Page 19 OWNER’S MANUAL 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 17) or replace burner orifice 2. Inlet gas pressure is too low 2.
- Page 20 CGD3924NR, CGB3924NR and CGB3930NR UVENTED 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: Specifications
OWNER’S MANUAL SPECIFICATIONS ACCESSORIES CGD3924NR/CGB3924NR/CGB3930NR Purchase these fireplace accessories from your local dealer. If they can not supply Btu (Variable) 20,000/39,000 these accessories, either contact your near- Type Gas Natural Gas Only est Parts Central (see page 28) or call DESA... -
Page 22: Illustrated Parts Breakdown
CGD3924NR, CGB3924NR and CGB3930NR UVENTED NATURAL GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN CGD3924NR 104306... -
Page 23: Parts List
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 26 of this manual. CGD3924NR PART NUMBER DESCRIPTION QTY. 103008-01 Back Log (#1) 103009-01 Middle Log (#2) - Page 24 CGD3924NR, CGB3924NR and CGB3930NR UVENTED NATURAL GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN CGB3924NR CGB3930NR 104306...
- Page 25 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 26 of this manual. CGB3924NR CGB3930NR CGB3924NR CGB3930NR PART NUMBER PART NUMBER DESCRIPTION QTY. 104897-01 104897-02 Middle Log (#1) 104898-01...
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Page 26: Replacement Parts
CGD3924NR, CGB3924NR and CGB3930NR UVENTED NATURAL GAS LOG HEATER REPLACEMENT PARTS NOT UNDER When calling DESA International, have ready WARRANTY PARTS • your name Contact authorized dealers of this product. Note: Use only original replacement parts. • your address If they can’t supply original replacement This will protect your warranty coverage for •... - Page 27 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ 104306...
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Page 28: 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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