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ROYAL ENGLISH OAK UNVENTED (VENT-FREE)
OWNER'S OPERATION AND INSTALLATION MANUAL
24" THERMOSTATIcALLY-cONTROLLED MODELS
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 performed by a quali-
fied installer, service agency or the gas supplier.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
For more information, visit www.desatech.com
GAS LOG HEATER
cLD3924PTc AND cLD3924NTc
Patent Pending
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Related Manuals for Desa CLD3924PTC
Summary of Contents for Desa CLD3924PTC
- Page 1 GAS LOG HEATER OWNER’S OPERATION AND INSTALLATION MANUAL Patent Pending 24" THERMOSTATIcALLY-cONTROLLED MODELS cLD3924PTc AND cLD3924NTc 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.
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Page 2: Table Of Contents
TABLE OF cONTENTS Safety ..............2 Troubleshooting ..........20 Product Identification ........... 5 Optional Positioning of Thermostat Sensing Bulb ... 24 Local Codes............5 Specifications ............ 25 Unpacking............5 Technical Service..........26 Product Features ..........5 Service Hints ............. 26 Air For Combustion and Ventilation ..... - Page 3 SAFETY Continued WARNING: Do not use a WARNING: This product blower insert, heat exchanger contains and/or generates insert or other accessory not ap- chemicals known to the State proved for use with this heater. of California to cause cancer or birth defects or other reproduc- tive harm.
- Page 4 SAFETY Continued 1. This appliance is only for use with the type 9. This log heater is designed to be smoke- of gas indicated on the rating plate. This less. If logs ever appear to smoke, turn off appliance is not convertible for use with heater and call a qualified service person.
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Page 5: Product Identification
Figure 1 - Yellow Flame Vent-Free Gas Log 3. Check heater for any shipping damage. If Heater heater is damaged call DESA Heating, LLC LOcAL cODES at 1-866-672-6040 for replacement parts before returning to dealer. -
Page 6: Air For Combustion And Ventilation
AIR FOR cOMBUSTION usually tight construction, you must provide additional fresh air. AND VENTILATION Unusually tight construction is defined as construction where: WARNING: This heater shall a. walls and ceilings exposed to the out- not be installed in a room or space side atmosphere have a continuous unless the required volume of water vapor retarder with a rating of... - Page 7 AIR FOR cOMBUSTION A. Rework worksheet, adding the space of an adjoining room. If the extra space provides an AND VENTILATION unconfined space, remove door to adjoining Continued room or add ventilation grills between rooms. See Ventilation Air From Inside Building. 1.
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Page 8: Installation
AIR FOR cOMBUSTION NOTICE: State or local codes may AND VENTILATION only allow operation of this appli- Continued ance in a vented configuration. Check your state or local codes. Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts. - Page 9 INSTALLATION Continued LOG SIzING REQUIREMENTS CAUTION: This heater cre- Minimum Firebox Size ates warm air currents. These Height Front Rear Width Width* currents move heat to wall sur- Depth faces next to heater. Installing 17" 14" 28" 21" heater next to vinyl or cloth wall *Measured at 14"...
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Page 10: Mantel Clearances
INSTALLATION Continued MINIMUM NONCOMBUSTIBLE If Using Mantel MATERIAL CLEARANCES You must have noncombustible material(s) above the fireplace opening. Noncombustible If Not Using Mantel materials (such as slate, marble, tile, etc.) must Note: If using a mantel, proceed to If Using be at least 1/2"... -
Page 11: Safety Information
INSTALLATION Continued NOTICE: Surface temperatures of adjacent walls and mantels be- come hot during operation. Walls Combustible and mantels above the firebox Material 14" may become hot to the touch. Min. If installed properly, these tem- peratures meet the requirement Noncombustible Material of the national product standard. - Page 12 INSTALLATION Continued 6. Carefully remove logs without moving CAUTION: Do not pick up heater base. heater base assembly by the 7. Mark screw locations through holes in mounting brackets (see Figure 11). If burner. This could damage installing in a brick-bottom fireplace, mark heater.
- Page 13 INSTALLATION Continued IMPORTANT: Install equipment shutoff valve WARNING: For natural gas in an accessible location. Main gas valve is for turning on or shutting off gas to appliance. units, never connect heater to Check your building codes for any special private (non-utility) gas wells.
- Page 14 INSTALLATION 2. Cap off open end of gas pipe where equip- ment shutoff valve was connected. Continued 3. Pressurize supply piping system by either We recommend that you install sediment trap opening propane/LP supply tank valve in supply line as shown in Figure 13, page for propane/LP gas or opening main gas 13.
- Page 15 INSTALLATION CAUTION: After installa- Continued tion and periodically thereafter, Equipment Shutoff Valve check to ensure that no flame comes in contact with any log. With the heater set to High, check Meter to see if flames contact any log. If so, reposition logs according to the log installation instructions in this manual.
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Page 16: Operation
INSTALLATION • Immediately call your gas supplier from a neighbor’s phone. Follow the Continued gas supplier’s instructions. • If you cannot reach your gas supplier, call the fire department. C. Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by Front Log hand, don’t try to repair it, call a quali-... - Page 17 OPERATION 8. Turn control knob counterclockwise to desired heating level. The burners Continued should light. Set control knob to any heat level between HI and LO. WARNING: Damper handle 9. To leave pilot lit and shut off burners will be hot if heater has been only, turn control knob clockwise to PILOT position.
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Page 18: Inspecting Burners
INSPEcTING BURNERS Check pilot flame pattern and burner flame Thermocouple patterns often. Pilot Burner pILOT FLAME pATTERN Figure 22 shows a correct pilot flame pattern. Figure 23 shows an incorrect pilot flame pat- tern. Incorrect pilot flame is not touching ther- mocouple. - Page 19 cLEANING AND MAINTENANcE Continued We also recommend that you keep burner Pilot Assembly tube and pilot assembly clean and free of dust and dirt. To clean these parts we recom- mend using compressed air no greater than 30 PSI. Your local computer store, hardware store or home center may carry compressed air in a can.
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Page 20: Troubleshooting
TROUBLESHOOTING WARNING: Turn off and unplug 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 pOSSIBLE CAUSE REMEDY... - Page 21 TROUBLESHOOTING Continued OBSERVED pROBLEM pOSSIBLE CAUSE REMEDY ODS/pilot lights but flame 1. Control knob not fully 1. Press in control knob fully goes out when control knob pressed in is released 2. Control knob not pressed in 2. After ODS/pilot lights, keep long enough control knob pressed in 30 seconds...
- Page 22 TROUBLESHOOTING Continued OBSERVED pROBLEM pOSSIBLE CAUSE REMEDY Slight smoke or odor during 1. Not enough air 1. Check burner for dirt and initial operation debris. If found, clean burner (see Cleaning and Maintenance, page 18) 2. Gas regulator defective 2. Replace gas regulator 3.
- Page 23 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. Fol- low the gas supplier’s instructions.
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Page 24: 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 room tem- perature drops to a lower than ideal comfort level before log set comes back on, you may Figure 27 - Adhesive-backed Mounting Clip want to reposition thermostat sensing bulb. -
Page 25: Specifications
Mounting Clip Glass Doors Figure 31 - Installing Thermostat Sensing Bulb behind Glass Doors SPEcIFIcATIONS Model CLD3924PTC Model CLD3924NTC • Rating (Variable): 20,000/39,000 Btu/Hr • Rating (Variable): 20,000/39,000 Btu/Hr • Type Gas: Propane/LP • Type Gas : Natural Gas •... -
Page 26: Technical Service
• heater will not produce specified heat serial numbers of your heater ready. • propane/LP gas supply may be low You can also visit DESA Heating, LLC’s web You may feel your gas pressure is too low. If site at www.desatech.com. -
Page 27: Accessories
Purchase these accessories from your local dealer. If they can not supply these accessories, either contact your nearest Parts Central or call DESA Heating, LLC at 1-866-672-6040 for information. You can also write to the address listed on the back page of this manual. -
Page 28: Parts
PARTS THERMOSTATICALLY-CONTROLLED ROYAL ENGLISH OAK MODELS CLD3924NTC, CLD3924PTC www.desatech.com 120890-01D... - Page 29 PARTS THERMOSTATICALLY-CONTROLLED ROYAL ENGLISH OAK MODELS 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. NO. PART NO. DESCRIpTION QTY. Log Base • • 120785-01 Valve Bracket •...
- Page 30 NOTES _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ www.desatech.com 120890-01D...
- Page 31 NOTES _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ 120890-01D www.desatech.com...
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Page 32: Warranty
This is DESA Heating, LLC’s exclusive warranty, and to the full extent allowed by law; this express warranty excludes any and all other warranties, express or implied, written or verbal and limits the duration of any and all implied warranties, including warranties of merchantability and fitness for a particular purpose to one (1) year on new products and 30 days on factory reconditioned products from the date of first purchase.