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PREMIUM AGED SPLIT OAK
AND YELLOW FLAME UNVENTED (VENT-FREE)
PROPANE/LP GAS LOG HEATER
Also Design-Certified As Vented Decorative Appliances When
Not Used With Hand-Held Thermostat Remote
OWNER'S OPERATION AND INSTALLATION MANUAL
CGD3924PRA
CGB3924PRA
CGB3930PRA
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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Related Manuals for Desa Comfort Glow CGD3924PRA
Summary of Contents for Desa Comfort Glow CGD3924PRA
- Page 1 PREMIUM AGED SPLIT OAK AND YELLOW FLAME UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER Also Design-Certified As Vented Decorative Appliances When Not Used With Hand-Held Thermostat Remote OWNER’S OPERATION AND INSTALLATION MANUAL CGD3924PRA CGB3924PRA CGB3930PRA ® 24" and 30" Remote Ready Patent Pending (Yellow Flame Model Shown) WARNING: Improper installation, ad-...
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Page 2: Safety Information
UNVENTED PROPANE/LP GAS LOG HEATER SAFETY • do not touch any electrical switch; do der residue within burner box or on not use any phone in your building adjacent walls or furniture. INFORMATION • immediately call your gas supplier 14. Do not use a blower insert, heat ex- from a neighbor’s phone. -
Page 3: Product Identification
OWNER’S MANUAL PRODUCT PRODUCT IDENTIFICATION FEATURES OPERATION Crossover Log Back 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
UNVENTED PROPANE/LP GAS LOG HEATER AIR FOR PROVIDING ADEQUATE Confined Space and Unconfined Space VENTILATION COMBUSTION AND The National Fuel Gas Code (ANS Z2123.1, The following are excerpts from National VENTILATION 1992 Section 5.3) defines a confined space Fuel Gas Code. NFPA 54/ANS Z223.1, Sec- as a space whose volume is less than 50 tion 5.3, Air for Combustion and Ventilation. -
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: Ventilation Air
UNVENTED PROPANE/LP 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 Ventilation Air From Inside Option 1 Door into Building Adjoining Room, This fresh air would come from an adjoining unconfined space. -
Page 7: Installation
OWNER’S MANUAL INSTALLATION INSTALLATION AND WARNING: Never install the CLEARANCES heater (Vent-Free Operation Only) NOTICE: This heater is intended • in a bedroom or bathroom un- for use as supplemental heat. Use less installed as a vented ap- this heater along with your pri- WARNING: Maintain the mini- pliance, see page 10. - Page 8 UNVENTED PROPANE/LP GAS LOG HEATER INSTALLATION If Using Mantel if noncombustible material is more than 12", you may need the hood accessory to You must have noncombustible material(s) Continued deflect heat away from your mantel shelf. above the fireplace opening. Noncombus- See Figure 5 and Figures 6 and 7 on page 9 tible materials (such as slate, marble, tile, NOTICE: Manual control heaters...
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Page 9: Mantel Clearances
OWNER’S MANUAL INSTALLATION Mantel Shelf 10" Underside of Continued 8" Mantel Shelf 6" 1 /2 " 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
UNVENTED PROPANE/LP GAS LOG HEATER INSTALLATION Damper 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 Damper Damper burning fireplace with a working flue and constructed of noncombustible material. -
Page 11: Connecting To Gas Supply
OWNER’S MANUAL INSTALLATION • test gauge connection * CAUTION: Use only new, • sediment trap Continued black iron or steel pipe. Inter- • tee joint nally-tinned copper tubing may 7. Attach base assembly to fireplace floor • pipe wrench be used in certain areas. Check using two masonry screws (in hardware your local codes. -
Page 12: Checking Gas Connections
UNVENTED PROPANE/LP GAS LOG HEATER INSTALLATION INSTALLING REMOTE RE- 3. Check all joints from propane/LP sup- ply tank to manual shutoff valve (see CEIVER UNIT Continued Figure 16). Apply mixture of liquid Disconnect switch wires from the con- soap and water to gas joints. Bubbles CHECKING GAS trol valve. -
Page 13: Installing Logs
OWNER’S MANUAL INSTALLATION Battery Cover Back Log (#1) Continued Terminal Wires Hole in INSTALLING WIRELESS Grate Base REMOTE CONTROL ACCESSORY Remote Two 9-volt alkaline batteries (not included) Control are required to operate this heater with the Unit 9-Volt wireless hand held remote control set. One Battery Housing Battery battery must be installed in the receiver and... - Page 14 UNVENTED PROPANE/LP GAS LOG HEATER INSTALLATION Each log is marked with a number. These Back Log (#2) numbers will help you identify the log when Continued Hole in installing. It is very important to install these Grate Base logs exactly as instructed. Do not modify 4.
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Page 15: Operating Heater
OWNER’S MANUAL INSTALLATION Note: Home owners generally prefer to • If you cannot reach your gas sup- plier, call the fire department. operate their heater with the chimney Continued damper closed. This will put all the heat C. Use only your hand to push in or turn into the room. -
Page 16: To Turn Off Gas To Appliance
UNVENTED PROPANE/LP GAS LOG HEATER OPERATING TO TURN OFF GAS NOTICE: You must light the pilot TO APPLIANCE before using the hand-held re- HEATER mote control unit. See Lighting Shutting Off Heater Continued Instructions on page 15. 1. Turn control knob clockwise 7. -
Page 17: Inspecting Burners
OWNER’S MANUAL OPERATING INSPECTING Use the STATUS button on the hand- held remote control unit to see the HEATER BURNERS operation mode being used and the temperature setting selected. A red Continued Check pilot flame pattern and burner flame light will come on beside the opera- patterns often. -
Page 18: Cleaning And Maintenance
Assembly stallation, operation, or troubleshooting. assembly. Pilot Air 1. Shut off the unit, including the pilot. If so, contact DESA International’s Techni- Inlet Allow the unit to cool for at least thirty cal Service Department at 1-800-DESA LOG Hole minutes. -
Page 19: Troubleshooting
WARNING: Turn off heater CAUTION: Never use a wire, and let cool before servicing. Only needle, or similar object to clean Note: For additional help, visit DESA a qualified service person should ODS/pilot. This can damage ODS/ International’s Technical Service web service and repair heater. - Page 20 UNVENTED PROPANE/LP 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. Inlet gas pressure is too low 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: Illustrated Parts Breakdown
UNVENTED PROPANE/LP GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN CGD3924PRA 105678... -
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. CGD3924PRA PART NUMBER DESCRIPTION QTY. 103008-01 Back Log (#1) 103009-01 Middle Log (#2) 103010-01 Front Log (#3) 103011-01... - Page 24 UNVENTED PROPANE/LP GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN CGB3924PRA CGB3930PRA 105678...
- 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. CGB3924PRA CGB3930PRA CGB3924PRA CGB3930PRA PART NUMBER PART NUMBER DESCRIPTION QTY. 104897-01 104897-02 Middle Log (#1) 104898-01...
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Page 26: Replacement Parts
Freehold, NJ 07728 Contact authorized dealers of this product. If 1348 Dixwell Avenue 908-780-9340 they can’t supply original replacement part(s), Hamden, CT 06514 1-800-922-0724 call DESA International’s Technical Service 1-800-397-7553 Department at 1-800-DESA LOG (1-800- 203-248-7553 Dayton Hardware 337-2564). Parts Department P.O. -
Page 27: Specifications
If they can not supply Type Gas Propane/LP Only these accessories, either contact your near- Ignition Piezo est Parts Central (see page 26) or call DESA Manifold Pressure 8.0" W.C. International’s Sales Department at 1-800- Inlet Gas 972-7879 for referral information. You can... -
Page 28: Warranty Information
COMFORT GLOW VENT-FREE PROPANE/LP GAS LOG HEATERS DESA International warrants this product to be free from defects in materials and components for two (2) year 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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