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UNVENTED (VENT-FREE) GAS LOG HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
Patent Pending
18", 24" AND 30" VARIABLE
MANUALLy-CONTROLLED
MODELS
CRL2718PA/NA
CRL3124PA/NA
CCL3018PA/NA
CCL3924PA/NA
Biltmore Split Oak, Seasonal Oak and Smoky Mountain Oak Logs
Variable Manually-Controlled Models Also
Design-Certified As Vented Decorative Appliances
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.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
For more information, visit www.desatech.com
18", 24" AND 30"
THERMOSTATICALLy-CONTROLLED
MODELS
CCL3018PTA/NTA
CCL3924PTA/NTA
CCL3930PTB/NTB

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Summary of Contents for Comfort Glow CRL2718PA

  • Page 1 Patent Pending 18", 24" AND 30" 18", 24" AND 30" VARIABLE THERMOSTATICALLy-CONTROLLED MANUALLy-CONTROLLED MODELS MODELS CCL3018PTA/NTA CRL2718PA/NA CCL3924PTA/NTA CRL3124PA/NA CCL3930PTB/NTB CCL3018PA/NA CCL3924PA/NA Biltmore Split Oak, Seasonal Oak and Smoky Mountain Oak Logs Variable Manually-Controlled Models Also Design-Certified As Vented Decorative Appliances...
  • Page 2: Table Of Contents

    CONTENTS Safety Informa ion .......... Technical Service..........4 Local Codes............4 Troubleshooting ..........5 Product Identification ........... 5 Optional Positioning of Thermostat Unpacking............5 Sensing Bulb ..........8 Product Features ..........5 Specifications ............ 9 Air for Combustion and Ventila ion ...... 5 Illustrated Parts Breakdown and Parts List..
  • Page 3: Safety Information

    SAFETy INFORMATION WARNING: Do not use a blow- Continued er insert, heat exchanger insert or other accessory not approved WARNING: This product con- for use with this heater. tains and/or generates chemicals known to the state of California to cause cancer or birth defects Due to high temperatures, the or other reproductive harm.
  • Page 4: Local Codes

    13. Do not run heater SAFETy INFORMATION • where flammable liquids or vapors are Continued used or stored 4. If you smell gas • under dusty conditions 14. Do not use this heater to cook food or burn • shut off gas supply paper or other objects.
  • Page 5: Product Identification

    PRODUCT PRODUCT FEATURES IDENTIFICATION OpERATION This heater is clean burning. It requires no outside Log Set venting. There is no heat loss out a vent or up a chimney. Heat is generated by realistic dancing, yellow flames. This heater is designed for vent-free operation with flue damper closed.
  • Page 6 AIR FOR COMBUSTION Confined and Unconfined Space National Fuel Gas Code, ANSI Z223.1/NFPA AND VENTILATION 54 defines a confined space as a space whose Continued volume is less than 50 cubic feet per 1,000 Btu per hour (4.8 m per kw) of the aggregate input Exhaust fans, fireplaces, clothes dryers and fuel rating of all appliances installed in that space and burning appliances draw air from the house to...
  • Page 7: Combustion And Ventilation Air

    the two spaces (see options 1 and 2, Figure 2). You AIR FOR COMBUSTION can also remove door into adjoining room (see AND VENTILATION option 3, Figure 2). Follow the National Fuel Gas Continued Code, ANSI Z223.1/NFPA 54, Section 5.3, Air for Combustion and Ventilation for required size of Example: ventilation grills or ducts.
  • Page 8: Installation

    INSTALLATION WARNING: Never install the NOTICE: This heater is intended heater for use as supplemental heat. • in a bedroom or bathroom Use this heater along with your unless installed as a vented primary heating system. Do not appliance (Variable Manually- install this heater as your pri- Controlled Models Only) (see mary heat source.
  • Page 9 INSTALLATION Continued Example INSTALLATION AND CLEARANCES (Vent-Free Operation Only) WARNING: Maintain the minimum clearances. If you can, provide greater clearances from floor, ceiling and adjoining *Minimum 16" from Side Wall wall. Figure 4 - Minimum Clearance for Combustible to Wall MINIMUM FIREpLACE CLEARANCE TO COMBUSTIBLE MATERIALS Log Size...
  • Page 10: Mantel Clearances

    INSTALLATION MANTEL CLEARANCES In addition to meeting noncombustible material Continued clearances, you must also meet required clearances If Using Mantel between fireplace opening and mantel shelf. If You must have noncombustible material(s) above you do not meet the clearances in Figure 6 you the fireplace opening.
  • Page 11 INSTALLATION Continued NOTICE: If your installation does Hearth not meet the minimum clear- Combustible Material ances shown, you must do one 5" Min. of the following: • operate the logs only with the Figure 9 - Minimum Fireplace Clearances flue damper open Above Combustible Flooring •...
  • Page 12 INSTALLATION CAUTION: Do not pick up Continued heater base assembly by the See chart below for minimum permanent flue burner. This could damage opening you must provide. Attach damper clamp heater. Only handle base as- so the minimum permanent flue opening will be maintained at all times.
  • Page 13 INSTALLATION CONNECTING TO GAS SUppLY Continued WARNING: This appliance 7. Mark screw locations through holes in mount- requires a 1/2" NPT (National ing brackets (see Figure 12 and 13). If install- Pipe Thread) inlet connection to ing in a brick-bottom fireplace, mark screw the pressure regulator.
  • Page 14 We recommend that you install a sediment trap in INSTALLATION supply line as shown in Figure 15. Locate sediment Continued trap where it is within reach for cleaning. Install For propane/LP units, the installer must supply in piping system between fuel supply and heater. an external regulator.
  • Page 15 3. Make sure control knob of heater is in the OFF INSTALLATION position. Continued 4. Check all joints from equipment shutoff valve to thermostat gas valve (Thermostat-Con- CAUTION: Make sure exter- trolled Models) or to control valve (Manu- nal regulator has been installed ally-Controlled Models) (see Figures 17 and 18).
  • Page 16 INSTALLATION Front Continued Log (#1) INSTALLING LOGS CAUTION: After installa- tion and periodically thereafter, Grate Fingers check to ensure that no flame comes in contact with any log. With the heater set to HI, check to see if flames contact any log. If so, reposition logs according to the log installation instructions Grate...
  • Page 17 INSTALLATION Crossover Crossover Log (#) Continued Crossover Log (#4) Log (#5) For CCL3924PTA/NTA and CCL3930PTB/NTB Locate pin and hole on the bottom of Middle Only: crossover log (#5). Slide the pin into the hole Log (#) located in crossover log (#4). Slide the hole onto the pin on front log (#1).
  • Page 18 INSTALLATION Front Log Continued Single Burner Seasonal Oak Models CRL2718PA/NA, CRL3124PA/NA WARNING: Failure to posi- Post tion the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury.
  • Page 19: Operating Heater

    OPERATING HEATER LIGHTING INSTRUCTIONS MANUALLy-CONTROLLED MODELS WARNING FOR YOUR SAFETY • If fireplace has glass doors, READ BEFORE LIGHTING never operate this heater with glass doors closed. If you op- WARNING: If you do not fol- erate heater with doors closed, low these instructions exactly, heat buildup inside fireplace a fire or explosion may result...
  • Page 20 OPERATING HEATER Ignitor Pilot Burner Electrode Continued 5. Slightly depress and turn control knob counterclockwise to the PILOT position. Press in control knob for five (5) seconds (see Figure 30). Note: You may be running this heater for Thermocouple the first time after hooking up to gas sup- ply.
  • Page 21 OPERATING HEATER LIGHTING INSTRUCTIONS Continued THERMOSTAT-CONTROLLED WARNING MODELS • If fireplace has glass doors, never operate this heater with FOR YOUR SAFETY glass doors closed. If you op- READ BEFORE LIGHTING erate heater with doors closed, heat buildup inside fireplace WARNING: If you do not fol- will cause glass to burst.
  • Page 22 OPERATING HEATER Continued Ignitor Pilot Burner Electrode 5. Turn control knob counterclockwise to the PILOT position. Press in control knob for five (5) seconds (see Figure 32). Note: You may be running this heater for the first time after hooking up to gas sup- ply.
  • Page 23: Inspecting Burners

    INSPECTING BURNERS CLEANING AND Check pilot flame pattern and burner flame pat- MAINTENANCE terns often. WARNING: Turn off heater pILOT FLAME pATTERN and let cool before cleaning. Figure 34 shows a correct pilot flame pattern. Figure 35 shows an incorrect pilot flame pattern. The incor- rect pilot flame is not touching the thermocouple.
  • Page 24: Service Hints

    CLEANING AND LOGS • If you remove logs for cleaning, refer to Install- MAINTENANCE ing Logs, page 16, to properly replace logs. Continued • Replace log(s) if broken or chipped (dime-sized 2. Inspect burner, pilot and primary air inlet holes or larger).
  • Page 25: Troubleshooting

    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 pOSSIBLE CAUSE REMEDY...
  • Page 26 TROUBLESHOOTING Continued OBSERVED pROBLEM pOSSIBLE CAUSE REMEDY Burner does light after ODS/ 1. Burner orifice clogged 1. Clean burner (see Cleaning pilot is lit and Maintenance, page 23) or replace burner orifice 2. Inlet gas pressure is too low 2. Contact local propane/LP or natural gas company Delayed ignition of burner 1.
  • Page 27 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.
  • Page 28: Optional Positioning Of Thermostat Sensing Bulb

    OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB FOR MASONRY AND FACTORY- Figure 39 - Adhesive-backed Mounting Clip BUILT METAL FIREpLACE Thermostat If your log set cycles to pilot, but the room tem- Capillary Screw 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 29: Specifications

    10.5" Minimum* 5" 5" 5" Shipping Weight 61 lbs. 66 lbs. 70 lbs. * For the purpose of input adjustment SINGLE BURNER SEASONAL OAK MODELS CRL2718PA CRL2718NA CRL3124PA CRL3124NA Btu (Variable) 16,000/27,000 16,000/27,000 16,000/31,500 16,000/31,500 Type Gas Propane/LP Natural Propane/LP...
  • Page 30: Illustrated Parts Breakdown And Parts List

    ILLUSTRATED PARTS BREAkDOWN VARIABLE MANUALLY-CONTROLLED BILTMORE SpLIT OAK MODELS CCL3018PA, CCL3018NA, CCL3924PA AND CCL3924NA www.desatech.com 113097-01H...
  • Page 31 PARTS LIST VARIABLE MANUALLY-CONTROLLED BILTMORE SpLIT OAK MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 38 of this manual. pART NUMBER DESCRIpTION QTY. CCL3018PA CCL3018NA CCL3924PA CCL3924NA 11134-03 11134-03 11134-0 11134-0 Back Log (#1) 111341-03 111341-03 111341-0 111341-0 Middle Log (#) 111340-03 111340-03 111340-0 111340-0 Front Log (#3)
  • Page 32 ILLUSTRATED PARTS BREAkDOWN THERMOSTATICALLY-CONTROLLED BILTMORE SpLIT OAK MODELS CCL3018PTA AND CCL3018NTA www.desatech.com 113097-01H...
  • Page 33: Parts List

    PARTS LIST THERMOSTATICALLY-CONTROLLED BILTMORE SpLIT OAK MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 38 of this manual pART NUMBER CCL3018PTA CCL3018NTA DESCRIpTION QTY. 111340-03 111340-03 Front Log (#1) 111341-03 111341-03...
  • Page 34 ILLUSTRATED PARTS BREAkDOWN THERMOSTATICALLY-CONTROLLED BILTMORE SpLIT OAK MODELS CCL3924PTA, CCL3924NTA, CCL3930PTB AND CCL3930NTB Peg positions vary according to model. www.desatech.com 113097-01H...
  • Page 35 PARTS LIST THERMOSTATICALLY-CONTROLLED BILTMORE SpLIT OAK MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 38 of this manual. pART NUMBER CCL3924PTA CCL3924NTA CCL3930PTB CCL3930NTB DESCRIpTION QTY. 111340-0 111340-0 111340-01...
  • Page 36 ILLUSTRATED PARTS BREAkDOWN VARIABLE MANUALLY-CONTROLLED SEASONAL OAK MODELS CRL2718PA, CRL2718NA, CRL3124PA AND CRL3124NA www.desatech.com 113097-01H...
  • Page 37 This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 38 of this manual. pART NUMBER CRL2718PA CRL2718NA CRL3124PA CRL3124NA DESCRIpTION QTY. 113551-01 113551-01 113551-0 113551-0 Back Log (#1)
  • Page 38: Replacement Parts

    REPLACEMENT PARTS ACCESSORIES Note: Use only original replacement parts. This Purchase these fireplace accessories from your lo- will protect your warranty coverage for parts cal dealer. If they can not supply these accessories, replaced under warranty. call DESA Heating Products’ Sales Department at 1-866-672-6040 for referral information.
  • Page 39: 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. Tools & Equipment Co. Washer Equipment Co. 5 Manila Ave 1715 Main Street Hamden, CT 06514-0322 Kansas City, MO 64108-2195 1-800-397-7553 KS, MO, AR...
  • Page 40: Warranty Information

    The only warranty applicable is our standard written warranty We make no other warranty, expressed or implied LIMITED WARRANTy COMFORT GLOW VENT-FREE GAS LOG HEATERS DESA Heating Products warrants this product to be free from defects in materials and components for two (2)

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