UNVENTED (VENT-FREE) GAS LOG HEATER OWNER’S OPERATION AND INSTALLATION MANUAL Patent Pending (Smoky Mountain Oak Model Shown) 18", 24", AND 30" VARIABLE MANUALLY-CONTROLLED MODELS CRL2718P/N CRL3124P/N CCL3018PA/NA CCL3924PA/NA 18", 24", AND 30" THERMOSTATICALLYCONTROLLED MODELS CGD3924PT/NT CGD3018PT/NT, CCL3018PTA/NTA, CCL3924PTA/NTA CCL3930PTB/NTB Biltmore Split Oak, Seasonal Oak and Smoky Moutain Oak Logs Variable Manually-Controlled Models Also Design-Certified As Vented Decorative Appliances WAR
WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause injury or property damage. Refer to this manual for correct installation and operational procedures. For assistance or additional 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 fireplace, or in a listed ventless firebox enclosure.
SAFETY INFORMATION WARNING: This product contains 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, electrical shock, and carbon monoxide poisoning.
SAFETY INFORMATION Continued 4. 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 • if you cannot reach your gas supplier, call the fire department 5.
PIEZO IGNITION SYSTEM LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of The National Fuel Gas Code, ANSI Z223.1/NFPA 54*. *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 National Fire Protection Association, Inc. Batterymarch Park Quincy, MA 02269 Note: Where listed vented decorative logs are required, thermostat operation is not permitted.
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.
AIR FOR COMBUSTION AND VENTILATION Continued The space in the example is a confined space because the actual Btu/Hr used is more than the maximum Btu/Hr the space can support. You 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. B. Vent room directly to the outdoors.
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 primary heat source. If you have a central heating system, you may run system’s circulating blower while using log heater. This will help circulate the heat from your log heater throughout the house. In the event of a power outage, you can use this heater as your primary heat source. WARNING: A qualified service person must install heater.
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 wall. MINIMUM FIREPLACE CLEARANCE TO COMBUSTIBLE MATERIALS Log Size Side Wall Ceiling 18", 24", 30" 16" 42" LOG SIZING REQUIREMENTS Minimum Firebox Log Front Rear * Size Height Depth Width Width 18" 17" 14" 24" 20" 24" 17" 14" 28" 21" 30" 17" 14" 34" 24" * Measured at 14" depth.
INSTALLATION Continued If Using Mantel You must have noncombustible material(s) above the fireplace opening. Noncombustible materials (such as slate, marble, tile, etc.) must be at least 1/2 inch thick. With sheet metal, you must have noncombustible material behind it. Noncombustible material must extend at least 8" up (for all models). If noncombustible material is less than 12", you must install the fireplace hood accessory (24" and 30" models only).
INSTALLATION Continued NOTICE: If your installation does not meet the minimum clearances shown, you must do one of the following: • operate the logs only with the flue damper open • raise the mantel to an acceptable height • remove the mantel Mantel Shelf 12" Underside of Mantel Shelf 10" 8" 6" All minimum distances are in inches 2 1/2" Minimum Noncombustible Material 8" Min.
INSTALLATION Continued See chart below for minimum permanent flue opening you must provide. Attach damper clamp so the minimum permanent flue opening will be maintained at all times. Chimney Height (ft.) Minimum Permanent Flue Opening (sq. in.) 6' to 15' 15' to 30' 39 sq. inches 29 sq. inches Area of Various Standard Round Flues Diameter (in.) Area (sq. in.) 5" 20 sq. inches 6" 29 sq. inches 7" 39 sq. inches 8" 51 sq.
CONNECTING TO GAS SUPPLY INSTALLATION Continued 7. Mark screw locations through holes in mounting brackets (see Figure 13 and 14). If installing in a brick-bottom fireplace, mark screw locations in mortar joint of bricks. 8. Remove heater base from fireplace. 9. Drill holes at marked locations using 3/16" drill bit. 10. Attach base assembly to fireplace floor using two masonry screws (in hardware package) (see Figure 13 or 14).
INSTALLATION Continued For propane/LP units, the installer must supply an external regulator. The external regulator will reduce incoming gas pressure. You must reduce incoming gas pressure to between 11 and 14 inches of water. If you do not reduce incoming gas pressure, heater regulator damage could occur. Install external regulator with the vent pointing down as shown in Figure 15. Pointing the vent down protects it from freezing rain or sleet. CAUTION: Use only new, black iron or steel pipe.
INSTALLATION Continued CAUTION: Make sure external regulator has been installed between propane/LP supply and heater. See guidelines under Connecting to Gas Supply, page 14. Pressure Testing Gas Supply Piping System Test Pressures In Excess Of 1/2 PSIG (3.5 kPa) 1. Disconnect appliance with its appliance main gas valve (control valve) and equipment shutoff valve from gas supply piping system. Pressures in excess of 1/2 psig will damage heater regulator. 2.
Back Log (#1) INSTALLATION Continued INSTALLING LOGS Pin CAUTION: After installation and periodically thereafter, 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 in this manual. Flames contacting logs will create soot.
INSTALLATION Middle Log (#2) Continued 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 damage or personal injury. Dual Burner Biltmore Split Oak Models CCL3018PTA/NTA, CCL3924PTA/NTA, CCL3930PTB/NTB Each log is marked with a number. These numbers will help you identify the log when installing. It is very important to install these logs exactly as instructed. Do not modify logs.
INSTALLATION Continued 5. For CCL3924PTA/NTA and CCL3930PTB/NTB Only: Locate pin and hole on the bottom of crossover log (#5). Slide the pin into the hole located in crossover log (#4). Slide the hole onto the pin on front log (#1). See Figure 28. Crossover Log (#5) Crossover Log (#4) Crossover Log (#6) Middle Log (#2) For CCL3018PA/NA and CCL3018PTA/NTA Only: Locate holes on the bottom of crossover log (#5). Slide the holes over the left pins on middle log (#2) and front log (#1). See Figure 29. 6.
INSTALLATION Front Log Continued Single Burner Seasonal Oak Models CRL2718P/N, CRL2718P/N 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 damage or personal injury. The Seasonal Oak Log Set is a reversible log set. This means that the two bottom logs may be turned to face either direction. The top log, however, must remain in the same position. Do not modify logs.
LIGHTING INSTRUCTIONS OPERATING HEATER MANUALLY-CONTROLLED MODELS FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly. B. BEFORE LIGHTING smell all around the appliance area for gas.
OPERATING HEATER Continued 5. Slightly depress and turn control knob counterclockwise to the PILOT position. Press in control knob for five (5) seconds (see Figure 35). Note: You may be running this heater for the first time after hooking up to gas supply. If so, the control knob may need to be pressed in for 30 seconds or more. This will allow air to bleed from the gas system. 6. With control knob pressed in, press and release ignitor button. This will light pilot. The pilot is attached to the burner.
LIGHTING INSTRUCTIONS OPERATING HEATER Continued THERMOSTAT-CONTROLLED MODELS FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly. B. BEFORE LIGHTING smell all around the appliance area for gas.
TO TURN OFF GAS TO APPLIANCE OPERATING HEATER Continued 5. Turn control knob counterclockwise to the PILOT position. Press in control knob for five (5) seconds (see Figure 37). Note: You may be running this heater for the first time after hooking up to gas supply. If so, the control knob may need to be pressed in for 30 seconds or more. This will allow air to bleed from the gas system. • If control knob does not pop out when released, contact a qualified service person or gas supplier for repairs. 6.
INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often. PILOT FLAME PATTERN Figure 39 shows a correct pilot flame pattern. Figure 40 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the thermocouple. This will cause the thermocouple to cool. When the thermocouple cools, the heater will shut down.
CLEANING AND MAINTENANCE Continued 3. Blow air through the ports/slots and holes in the burner. 4. Check the injector holder located at the end of the burner tube again. Remove any large particles of dust, dirt, lint, or pet hair with a soft cloth or vacuum cleaner nozzle. 5. Blow air into the primary air holes on the injector holder. 6. In case any large clumps of dust have now been pushed into the burner repeat steps 3 and 4 on page 24. Clean the pilot assembly also.
TROUBLESHOOTING Note: All troubleshooting items are listed in order of operation. 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. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed, there is no spark at ODS/pilot 1. Ignitor electrode not connected to ignitor cable 2. Ignitor cable pinched or wet 1.
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 Maintenance, pages 24 and 25) or replace burner orifice 2. Contact local propane/LP or natural gas company 2. Inlet gas pressure is too low Delayed ignition of burner 1. Manifold pressure is too low 2. Burner orifice clogged Burner backfiring during combustion 1. Burner orifice is clogged or damaged 2. Damaged burner 3.
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. • If you cannot reach your gas supplier, call the fire department. IMPORTANT: Operating heater where impurities in air exist may create odors.
OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB FOR MASONRY AND FACTORYBUILT METAL FIREPLACE If your log set cycles to pilot, but the room temperature drops to a lower than ideal comfort level before the log set comes back on, you may want to reposition the thermostat sensing bulb. The thermostat sensing bulb is located near the gas valve assembly on the mounting bracket. This location allows the thermostat to keep the room temperature at an ideal comfort level for most fireplace applications.
OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB Continued 4. The mounting clip must be a minimum of 3" from bottom of fireplace to prevent crimping of capillary. Once you have decided on a location, clean the area thoroughly. Remove the paper backing from the adhesive on back of mounting clip. Press the clip into the new location so that the thermostat sensing bulb will be positioned vertically with the capillary at the bottom (see Figure 49). Slide the thermostat sensing bulb into the clip.
SPECIFICATIONS DUAL BURNER SMOKY MOUNTAIN OAK MODELS CGD3018PT Btu (Variable) 16,000/30,000 Type Gas Propane/LP Ignition Piezo Manifold Pressure 8.0" W.C. Inlet Gas Pressure (in. of water) Maximum 14" Minimum* 11" Shipping Weight 36 lbs. CGD3018NT CGD3924PT 16,000/30,000 20,000/39,000 Natural Propane/LP Piezo 3.5" W.C. 8.0" W.C. 10.5" 5" 36 lbs. 14" 11" 38 lbs. CGD3924NT 20,000/39,000 Natural 3.5" W.C. 10.5" 5" 38 lbs.
ILLUSTRATED PARTS BREAKDOWN VARIABLE MANUALLY-CONTROLLED BILTMORE SPLIT OAK MODELS CCL3018PA, CCL3018NA, CCL3924PA AND CCL3924NA 1 4 5 2 6 20 18 12 23 19 3 11 10 13 8 7 21 9 21 24 14 22 18 19 17 15 16 21 32 www.desatech.
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 30 of this manual. KEY NO.
ILLUSTRATED PARTS BREAKDOWN THERMOSTATICALLY-CONTROLLED SMOKY MOUNTAIN OAK MODELS CGD3018PT, CGD3018NT, CGD3924PT AND CGD3924NT 1 4 3 2 20 12 22 18 19 11 10 13 7 9 14 8 6 21 15 21 21 16 5 19 17 21 34 www.desatech.
PARTS LIST THERMOSTATICALLY-CONTROLLED SMOKY MOUNTAIN OAK MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 30 of this manual. KEY PART NUMBER NO.
ILLUSTRATED PARTS BREAKDOWN THERMOSTATICALLY-CONTROLLED BILTMORE SPLIT OAK MODELS CCL3018PTA AND CCL3018NTA 2 5 3 1 4 22 20 14 24 21 13 12 15 6 9 11 16 10 8 23 17 23 23 18 7 21 19 23 36 www.desatech.
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 30 of this manual KEY PART NUMBER NO.
ILLUSTRATED PARTS BREAKDOWN THERMOSTATICALLY-CONTROLLED BILTMORE SPLIT OAK MODELS CCL3924PTA, CCL3924NTA, CCL3930PTB AND CCL3930NTB Peg positions vary according to model. 2 5 1 4 22 20 14 24 21 13 7 12 15 6 25 11 16 10 8 23 17 23 23 18 9 21 19 23 38 www.desatech.
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 30 of this manual. KEY PART NUMBER NO.
ILLUSTRATED PARTS BREAKDOWN VARIABLE MANUALLY-CONTROLLED SEASONAL OAK MODELS CRL2718P, CRL2718N, CRL3124P AND CRL3124N 1 3 2 20 18 17 19 10 11 12 7 5 8 9 6 6 4 13 21 18 6 19 16 14 15 40 www.desatech.
PARTS LIST VARIABLE MANUALLY-CONTROLLED SEASONAL OAK MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 30 of this manual. KEY PART NUMBER NO.
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. Baltimore Electric 1348 Dixwell Avenue Hamden, CT 06514-0322 1-800-397-7553 203-248-7553 Parts Department Washer Equipment Co. 1715 Main Street Kansas City, MO 64108-2195 KS, MO, AR 816-842-3911 www.washerparts.com Portable Heater Parts 342 N. County Rd.
ACCESSORIES Purchase these fireplace accessories from your local dealer. If they can not supply these accessories, call DESA Heating Products’ Sales Department at 1-866-672-6040 for referral information. You can also write to the address listed on the back page of this manual. FIREPLACE HOOD GA6050 (Black) GA6052 (Brass) GA6053 (Antique Brass) For all models. Helps deflect heat away from mantel or wall above fireplace. EQUIPMENT SHUTOFF VALVE GA5010 For all models.
WARRANTY INFORMATION KEEP THIS WARRANTY Model ____________________________ Serial No. _________________________ Date Purchased ____________________ Always specify model and serial numbers when communicating with the factory. We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard written warranty. We make no other warranty, expressed or implied.
