1. Manuals
  2. Brands
  3. Desa Manuals
  4. Gas Heater
  5. CDL3924NT
  6. Owner's operation and installation manual

Desa CDL3924NT Owner's Operation And Installation Manual

Desa owner's operation and installation manual unvented (vent-free) gas log heater lsl3124n, lsl3124p,cdl3924nt , cdl3924pt
Hide thumbs Also See for CDL3924NT:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Owner's Manual
UNVENTED (VENT-FREE) GAS LOG HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
Echo Valley Oak Log Design
24" VARIABLE MANUALLY-
CONTROLLED MODELS
LSL3124N AND LSL3124P
WARNING: If the information in this manual is not fol-
lowed 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 performed by a quali-
fied installer, service agency or the gas supplier.
For more information, visit www.desatech.com
Save this manual for future reference.
Meadowbrook Oak Log Design
24" VARIABLE
THERMOSTATICALLY-
CONTROLLED MODELS
CDL3924NT AND CDL3924PT

Advertisement

Table of Contents
loading

Related Manuals for Desa CDL3924NT

Summary of Contents for Desa CDL3924NT

  • Page 1 — Installation and service must be performed by a quali- fied installer, service agency or the gas supplier. Save this manual for future reference. For more information, visit www.desatech.com Meadowbrook Oak Log Design 24" VARIABLE THERMOSTATICALLY- CONTROLLED MODELS CDL3924NT AND CDL3924PT...

  • Page 2: Table Of Contents

    WARNING: Improper installation, adjustment, altera- tion, service or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational 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 fire- place or in a listed ventless firebox enclosure.

  • Page 3: Safety Information

    SAFETY INFORMATION WARNING: This product con- tains and/or generates chemicals known to the State of California to cause cancer or birth defects or other reproductive harm. 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,...

  • Page 4: Local Codes

    SAFETY INFORMATION Continued 3. 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 neighborʼs phone.

  • Page 5: Product Identification

    Echo Valley Oak Logs with Manual Control Meadowbrook Oak Logs with Thermostat Control Figure 1 - Product Identification 111347-01E www.desatech.com...
  • Page 6 AIR FOR COMBUSTION AND VENTILATION Continued Unusually Tight Construction The air that leaks around doors and windows may provide enough fresh air for combustion and ventilation. However, in buildings of unusually tight construction, you must provide additional fresh air. Unusually tight construction is defined as construction where: a.

  • Page 7: Combustion And Ventilation Air

    AIR FOR COMBUSTION AND VENTILATION Continued must provide additional fresh air. Your options are as follows: A. Rework worksheet, adding the space of an adjoining room. If the extra space provides an unconfined space, remove door to adjoining room or add ventilation grills between rooms. See Ventilation Air From Inside Building.

  • Page 8: Installation

    INSTALLATION NOTICE: This heater is intended for use as supplemental heat. Use this heater along with your primary heating system. Do not install this heater as your pri- mary heat source. If you have a central heating system, you may run system’s circulating blower while using heater.
  • Page 9 INSTALLATION Continued INSTALLATION AND CLEARANCES FOR VENT-FREE OPERATION WARNING: Maintain the mini- mum clearances. If you can, pro- vide greater clearances from floor, ceiling and adjoining wall. MINIMUM FIREPLACE CLEARANCE TO COMBUSTIBLE MATERIALS Side Wall 16" LOG SIZING REQUIREMENTS Minimum Firebox Height Depth Front...

  • Page 10: Mantel Clearances

    INSTALLATION Continued Noncombus- Requirements for Safe tible Material Installation Distance (A) 12" or more Noncombustible Mate- rial OK. Between 8" and Install fireplace hood 12" accessory (GA6050, GA6052 or GA6053 see Accessories, page 27) Less than 8" Noncombustible materi- als must be extended to at least 8".
  • Page 11 INSTALLATION Continued NOTICE: If your installation does not meet the minimum clear- ances shown, you must do one of the following: • operate the logs only with the flue damper open • raise the mantel to an accept- able height •...
  • Page 12 INSTALLATION Continued INSTALLING HEATER BASE ASSEMBLY WARNING: You must secure this heater to fireplace floor. If not, heater will move when you adjust controls. Moving heater may cause a gas leak or log misplacement. WARNING: If installing in a sunken fireplace, special care is needed.
  • Page 13 INSTALLATION Continued CONNECTING TO GAS SUPPLY WARNING: This appliance requires a 1/2" NPT (National Pipe Thread) inlet connection to the pressure regulator. WARNING: A qualified service person must connect heater to gas supply. Follow all local codes. CAUTION: Never connect pro- pane/LP fireplace directly to the propane/LP supply.
  • Page 14 INSTALLATION Continued CAUTION: Avoid damage to regulator. Hold gas regulator with wrench when connecting it to gas piping and/or fittings. PROPANE/LP From External Regulator (11" W.C.** to 14" W.C. Pressure) NATURAL From Gas Meter (5" W.C.** to 10.5" W.C. Pressure) Pipe Cap Joint Nipple Sediment Trap...
  • Page 15 INSTALLATION Continued PRESSURE TESTING HEATER GAS CONNECTIONS 1. Open equipment shutoff valve (see Figure 15, page 14). 2. Open main gas valve located on or near gas meter for natural gas or open propane/LP supply tank valve. 3. Make sure control knob of heater is in the OFF position.

  • Page 16: Operating Heater

    INSTALLATION Continued Left Front Figure 19 - Left and Right Front Log Placement (Variable Manually-Controlled Models) Figure 20 - Control Cover Log Placement (Variable Manually-Controlled Models) www.desatech.com 111347-01E...
  • Page 17 OPERATING HEATER Continued LIGHTING INSTRUCTIONS WARNING: • If fireplace has glass doors, never operate this heater with glass doors closed. If you op- erate heater with doors closed, heat buildup inside fireplace will cause glass to burst. Make sure there are no obstructions across opening of fireplace.
  • Page 18 OPERATING HEATER Continued VARIABLE CONTROL OPERATION The variable control valve can be set to any heat setting and flame height desired, by simply turning the control knob until that setting is attained. Even the lowest setting provides re- alistic, dancing yellow flames. Selecting higher settings produces greater heat output.
  • Page 19 OPERATING HEATER Continued LIGHTING INSTRUCTIONS WARNING: • If fireplace has glass doors, never operate this heater with glass doors closed. If you op- erate heater with doors closed, heat buildup inside fireplace will cause glass to burst. Make sure there are no obstructions across opening of fireplace.

  • Page 20: Inspecting Burners

    OPERATING HEATER Continued TO TURN OFF GAS TO APPLIANCE Shutting Off Heater Turn control knob clockwise OFF position. Shutting Off Burners Only (pilot stays lit) Turn control knob clockwise PILOT position. THERMOSTAT CONTROL OPERATION The thermostat control knob can be set to any comfort level between HI and LO.

  • Page 21: Cleaning And Maintenance

    CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burners and circulating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qualified service person. Heater may need more frequent cleaning due to excessive lint from carpeting, pet hair, bedding...

  • Page 22: Troubleshooting

    WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater. CAUTION: Never use a wire, needle or similar object to clean ODS/pilot. This can damage ODS/pilot unit. 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 23 OBSERVED PROBLEM Burner does not light after ODS/ pilot is lit Delayed ignition of one or both burners B u r n e r b a c k f i r i n g d u r i n g combustion Slight smoke or odor during initial operation...
  • Page 24 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. Fol- low the gas supplier’s instructions.

  • Page 25: 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 tem- perature drops to a lower than ideal comfort level before the log set comes back on, you may want to reposition the thermostat sensing bulb.

  • Page 26: Specifications

    Thermostat Sensing Bulb Do Not Crimp Capillary Capillary Figure 37 - Positioning the Thermostat Sensing Bulb in the Vertical Position with the Capillary at the Bottom www.desatech.com Adhesive- backed Mounting Clip 111347-01E...

  • Page 27: Accessories

    Heating Productsʼ Technical Service Department at 1-866-672-6040. When calling please have your model and serial numbers of your heater ready. You can also visit DESA Heating Productsʼ techni- cal services web site at REPLACEMENT PARTS Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty.

  • Page 28: Illustrated Parts Breakdown And Parts List

    ILLUSTRATED PARTS BREAKDOWN VARIABLE MANUALLY- CONTROLLED ECHO VALLEY OAK LOG MODELS LSL3124N, LSL3124P 28-3 3 - ODS Pilot (Propane/LP) 28-5 28-1 3 - ODS Pilot (Natural Gas) www.desatech.com 28-4 28-2 111347-01E...
  • Page 29 VARIABLE MANUALLY-CONTROLLED ECHO VALLEY OAK LOG MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 27 of this manual. PART NUMBER FOR LSL3124P 102773-01 104286-01 — 102568-08 —...
  • Page 30 ILLUSTRATED PARTS BREAKDOWN THERMOSTATICALLY- CONTROLLED MEADOWBROOK OAK LOG MODELS CDL3924NT, CDL3924PT 24-3 24-4 24-2 24-1 www.desatech.com 111347-01E...
  • Page 31 THERMOSTATICALLY- CONTROLLED MEADOWBROOK OAK LOG This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 27 of this manual. PART NUMBER CDL3924NT 102772-01 104285-01 098249-01 098271-10 099387-09 099056-16 111124-01...

  • Page 32: Warranty Information

    This warranty is extended only to the original retail purchaser. This warranty covers the cost of part(s) required to restore this heater to proper operating condition and an allowance for labor when provided by a DESA Heating Products Authorized Service Center. Warranty part(s) MUST be obtained through authorized dealers of this product and/or DESA Heating Products who will provide original factory replacement parts.

This manual is also suitable for:

Cdl3924ptLsl3124pLsl3124n

Table of Contents