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Desa LDL3924NR User's Manual

1. Screw Holes in Base Figure 12 Attaching Heater to Fireplace Floor INSTALLING BATTERIES FOR REMOTE RECEIVER AND HAND HELD REMOTE CONTROL Four AA batteries and three AAA batteries are required to operate this heater with the wireless hand held remote control set Four AA batteries must be installed in the receiver and three AAA batteries in the hand held remote control unit Note Only use alkaline batteries Installing Batteries in Receiver 1 Locate slot on battery cover of receiver see Figure 13 Firmly insert tool such as a small screwdriver butter knife or dime into the slot and lift up to remove cover 2 Insert 4 AA batterines into receiver Positive and negative are marked inside receiver casing Note Receiver will not func tion if batteries are not installed correctly 3 Slide tab on cover into receiver housing and snap cover back into place FOr woes duie 111515 01A rmation visit www desatech com Cover 4AA Slot Receiver Figure 13 Installing Batteries in Receiver Installing Battery into Remote 1 Remove remote cover see Figure 14 2 Insert 3 AAA batteries into remote control see Figure 14 Positive and negative are marked inside remote control cas ing Note Remote will not function if batteries are not in stalled correctly 3 Slide remote cover back into place 3 AAA Batteries Remote Control Figure 14 Installing Batteries in Remote Control DESA
2. 5 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 6 Blow air into the primary air holes on the injector holder 7 Incase any large clumps of dust have now been pushed into the burner repeat steps 3 and 4 8 Replace front log and control cover log see Installing Logs page 14 For more information visit ww Clean the pilot assembly also A yellow tip on the pilot flame indicates dust and dirt in the pilot assembly There is a small pilot air inlet hole about two inches from where the pilot flame comes out of the pilot assembly see Figure 33 With the unit off lightly blow air through the airinlet hole You may blow through a drinking straw if compressed air is not available LOGS e Ifyou remove logs for cleaning refer to Installing Logs page 14 to properly replace logs e Replace log s if broken or chipped dime sized or larger MAIN BURNER Periodically inspect all burner flame holes with the heater running All slotted burner flame holes should be open with yellow flame present All round burner flame holes should be open with a small blue flame present Some burner flame holes may become blocked by debris or rust with no flame present If so turn off heater and let cool Remove blockage Blocked burner flame holes will create soot Injector Holder May Be Brass or Aluminum Burner T
3. INSTALLATION Connecting To Gas Supply INSTALLATION Continued CONNECTING TO GAS SUPPLY A WARNING This appliance requires a 1 2 NPT National Pipe Thread inlet connection to the pres sure regulator A WARNING A qualified service person must con nect heater to gas supply Follow all local codes A CAUTION Never connect propane LP fireplace directly to the propane LP supply This heater requires an external regulator not supplied Install the external regulator between the heater and propane LP supply WARNING Never connect natural gas fireplace to private non utility gas wells This gas is commonly known as wellhead gas Installation Items Needed Before installing heater make sure you have the items listed below e external regulator supplied by installer e piping check local codes e sealant resistant to propane LP gas e equipment shutoff valve e test gauge connection e sediment trap e tee joint e pipe wrench A CSA design certified equipment shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Purchase the optional CSA design certified equipment shutoff valve from your dealer See Accessories page 27 For propane LP units the installer must supply an external regula tor 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 redu
4. ANSI 2223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation All spaces in homes fall into one of the three following ventilation classifications 1 Unusually Tight Construction 2 Unconfined Space 3 Confined Space The information on pages 4 through 6 will help you classify your space and provide adequate ventilation 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 walls and ceilings exposed to the outside atmosphere have a continuous water vapor retarder with a rating of one perm 6 x 10 kg per pa sec m or less with openings gasketed or sealed and b weather stripping has been added on openable win dows and doors and For more information visit www ACCC 111515 01A AIR FOR COMBUSTION AND VENTILATION Providing Adequate Ventilation Cont Determining Fresh Air Flow for Heater Location AIR FOR COMBUSTION AND VENTILATION Continued c caulking or sealants are applied to areas such as joints around window and door frames between sole plates and floors between wall ceiling joints between wall panels at penetrations for plumbing electrical and gas lines and at other openings If your home meets all of the three criteria a b and c you must provide
5. ILLUSTRATED PARTS BREAKDOWN MODELS LDL3924NR LDL3924PR LDL3930NR AND LDL3930PR 111515 01A PARTS LIST This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 24 of this manual PART NUMBER LDL3924NR 110998 01PP 102772 01 103779 01 111440 01 111195 02 099918 02 099387 12 100609 01 098264 02 099056 18 110790 01 110790 02 110790 03 110790 04 110793 01 110792 01 102445 01 098271 10 111124 01 103784 01 111442 02 111441 01 M11084 26 M12461 26 098249 01 108631 01 111502 04 111502 05 111501 01 111501 02 111502 06 111502 08 111502 07 111501 03 LDL3924PR 110998 02PP 102772 01 103778 01 111440 02 110802 04 099387 09 098264 02 099056 17 110790 01 110790 02 110790 03 110790 04 110793 01 110792 01 102445 01 098271 10 111124 01 103784 01 111442 02 111441 01 M11084 26 M12461 26 098249 01 108631 01 111502 04 111502 05 111501 01 111501 02 111502 06 111502 08 111502 07 111501 03 LDL3930NR 110998 02PP 102772 01 103779 01 111440 01 111195 02 099918 02 099387 12 100609 01 098264 02 099056 16 110790 01 110790 02 110790 03 110790 04 110793 01 110792 01 102445 01 098271 10 111124 01 103784 01 111442 02 111441 01 M11084 26 M12461 26 098249 01 108631 01 111502 13 111502 14 111502 15 111502 16 111502 06 111502 08 111502 07 111501 03 LDL3930PR 11
6. additional fresh air See Ventila tion Air From Outdoors page 6 If your home does not meet all of the three criteria above proceed to Determining Fresh Air Flow For Heater Location Confined and Unconfined Space The National Fuel Gas Code ANSI Z223 1 NFPA 54 defines a confined space as a space whose volume is less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw of the aggregate input rating of all appliances installed in that space and an unconfined space as aspace whose volume is not less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw of the aggregate input rating of all appliances installed in that space Rooms communicating directly with the space in which the appliances are installed through openings not furnished with doors are considered a part of the unconfined space Adjoining rooms are communicating only if there are doorless passageways or ventilation grills between them 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 1 Determine the volume of the space length x width x height Length x Width x Height Example Space size 20 ft length x 16 ft width x 8 ft ceiling height 2560 cu ft volume of s
7. 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 heater This will help circulate the heat throughout the house In the event of a power outage you can use this heater as your primary heat source Ay WARNING A qualified service person must in stall heater Follow all local codes NOTICE State or local codes may only allow opera tion of this appliance in a vented configuration Check your state or local codes WARNING Make sure the selector switch is in the AUTO position before installing heater A WARNING Before installing in a solid fuel burn ing fireplace the chimney flue and firebox must be cleaned of soot creosote ashes and loose paint by a qualified chimney cleaner Creosote will ignite if highly heated A dirty chimney flue and firebox may create and distribute soot within the house Inspect chimney flue for damage If damaged repair flue before operating heater A WARNING Seal any fresh air vents or ash clean out doors located on floor or wall of fireplace If not drafting may cause pilot outage or sooting Use a heat resistant sealant Do not seal chimney flue damper A WARNING Never install the heater in a bedroom or bathroom unless installed as a vented appliance see page 10 in a recreational vehicle where curtains
8. be free from defects in materials and components for four 4 years from the date of first purchase provided that the product has been properly installed operated and maintained in accordance with all applicable instructions To make a claim under this warranty the Bill of Sale or cancelled check must be presented 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 Failure to use original factory replacement parts voids this warranty The heater MUST be installed by a qualified installer in accordance with all local codes and instructions furnished with the unit This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack of proper maintenance or defects caused by improper installation Travel diagnostic cost labor transportation and any and all such other costs related to repairing a defective heater will be the responsibility of the owner TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES AN
9. burner patterns can cause sooting Due to high temperatures the appliance should be located out of traffic and away from furniture and draperies A DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning resemble the flu with headaches dizziness or nausea If you have these signs the heater may not be working properly Get fresh air at once Have heater serviced Some people are more affected by carbon monoxide than others These include pregnant women people with heart or lung disease or anemia those under the influence of alcohol and those at high altitudes Natural and Propane LP Gas Natural and propane LP gases are odorless An odor making agent is added to the gas The odor helps you detect a gas leak However the odor added to the gas can fade Gas may be present even though no odor exists Make certain you read and understand all warnings Keep this manual forreference Itis your guide to safe and proper operation of this heater WARNING Any change to this heater or its controls can be dangerous Do not place clothing or other flammable material on or near the appliance Never place any objects on the heater Heater base assembly becomes very hot when run ning heater Keep children and adults away from hot surface to avoid burns or clothing ignition Heater will remain hot for a time after shutdown Allow s
10. furniture clothing or other flam mable objects are less than 42 inches from the front top or sides of the heater e in high traffic areas in windy or drafty areas For more infor 111515 01A mation visit www desatech com A CAUTION This heater creates warm air currents These currents move heat to wall surfaces next to heater Installing heater next to vinyl or cloth wall coverings or operating heater where impurities Such as but not limited to tobacco smoke aromatic candles cleaning fluids oil or kerosene lamps etc in the air exist may discolor walls or cause odors IMPORTANT Vent free heaters add moisture to the air Although this is beneficial installing heater in rooms without enough venti lation air may cause mildew to form from too much moisture See Air for Combustion and Ventilation pages 4 through 6 CHECK GAS TYPE Use the correct gas type natural or propane LP for your unit If your gas supply is not correct do not install log set Call dealer where you bought log set for proper type fireplace INSTALLATION AND CLEARANCES FOR VENT FREE OPERATION A WARNING Maintain the minimum clearances If you can provide greater clearances from floor ceil ing and adjoining wall MINIMUM FIREPLACE CLEARANCE TO COMBUSTIBLE MATERIALS Log Size Side Wall Ceiling 18 24 16 42 30 and 36 LOG SIZING REQUIREMENTS Log Min
11. 0998 02PP 102772 01 103778 01 111440 02 110802 04 099387 09 098264 02 099056 17 110790 01 110790 02 110790 03 110790 04 110793 01 110792 01 102445 01 098271 10 111124 01 103784 01 111442 02 111441 01 M11084 26 M12461 26 098249 01 108631 01 111502 13 111502 14 111502 15 111502 16 111502 06 111502 08 111502 07 111501 03 PARTS LIST Models LDL3924NR LDL3924PR LDL3930NR and LDL3930PR DESCRIPTION ASM Low Profile Base Painted Dual Burner ODS Pilot Gas Valve Outlet Tube Service Kit Natural Gas Outlet Tube Propane LP Pilot Regulator Pilot Tube Natural Gas Pilot Tube Propane LP Pilot Tube Male Connector Injector Natural Gas Injector Propane LP Left Front Burner Bracket Right Front Burner Bracket Rear Burner Bracket Remote Burner Bracket Piezo Bracket Remote Bracket Piezo Ignitor Service Kit Ignitor Cable Burner Retainer Spring Pilot Knob Extension Digital Display Remote Control Proflame Receiver Screw HWH AB 10 16 x 38 Screw Hex SLT WSR 10 32 x 38 O D S Nut Screw PPH B 10 16 x 1 00 Rear Log Middle Log Left Front Log Right Front Log Left Front Crossover Log Back Crossover Log Right Front Crossover Log Control Cover Log PO Sse ae ae oa on on on on a a EE A A i i a ooo O 4 a a oa an an in in pop o PARTS AVAILABLE NOT SHOWN 100563 01 103877 05 GA6060 101137 02 100563 01 103877 05 GA6060 101137 02 100563 01 10387
12. 7 05 GA6060 101137 02 100563 01 103877 05 GA6060 101137 02 Warning Plate Lighting Instruction Plate Lava Rock Hardware Kit Por nora information visit www desatech com DESA 111515 01A SPECIFICATIONS REPLACEMENT PARTS WIRING DIAGRAM SERVICE HINTS TECHNICAL SERVICE SPECIFICATIONS Btu Variable 26 000 39 000 26 000 39 000 Type Gas Propane LP Natural Ignition Piezo Piezo Manifold Pressure 8 0 W C 3 5 W C Inlet Gas Pressure in of water Maximum 14 10 5 Minimum 11 oO For purpose of input adjustment REPLACEMENT PARTS Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty PARTS UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA Heating Products Techni cal Service Department at 1 866 672 6040 When calling DESA Heating Products have ready e your name e your address e model and serial numbers of your heater e how heater was malfunctioning e type of gas used propane LP or natural gas e purchase date Usually we will ask you to return the part to the factory PARTS NOT UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA Heating Products at 1 866 672 6040 for referral information When calling DESA Heating Products have ready e model number of your heater e the r
13. ATER 2h sans Awe as a a aaa 15 INSPEGTING BURNERS amp c iesescececs ieesetcezesseavetesecnctetieietendseneivees 17 CLEANING AND MAINTENANCE eee cece eee tee reeeeeees 18 SAFETY INFORMATION A WARNINGS TROUBLESHOOTING eee eee eee eeee tee eeeeteeeeeeesaeeseeeeeeeerenaaes 19 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST 22 SPECIFICATIONS ata da inne SAAR Ri RSS 24 REPLACEMENT PARTS 11 sisccrconsetiectnesatecaet nub icereltanetie tte 24 WIRING DIAGRAM o cece cece cece e eee ee teae teas eeaeseaeseaeseaeseeeteaeeeees 24 SERVICE HINT Seastictivail Aiea Ariana Ae ais 24 TECHNICAL SERVICE ipinin ine pa neiti aaa 24 OWNER S REGISTRATION FORM b ssssesssseresierieisrrerrsrrerenrreresreeree 25 ACCESSORIES tierin onic ntti ae e eia e 27 WARRANTY INFORMATION sssesensesssresresrerrerrnrrnrrnrrerreee Back Cover A 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 ser vice this heater Improper use of this heater can cause serious injury or death from burns fire explosion electrical shock and carbon monoxide poisoning A WARNING Do not allow fans to blow directly into the fireplace Avoid any drafts that alter burner flame patterns Ceiling fans can create drafts that alter burner flame patterns Altered
14. DESA UNVENTED VENT FREE GAS LOG HEATER OWNER S OPERATION AND HEATING PRODUCTS INSTALLATION MANUAL For more information visit ww ME GeSate chy com Also Design Certified As Vented Decorative Appliances MODELS LDL3924NR LDL3924PR LDL3930NR LDL3930PR SQW 24 and 30 Remote Ready Models WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage per sonal 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 e Do not touch any electrical switch do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier WARNING Improper installation adjust ment alteration service or maintenance can cause injury or property damage Re fer to this manual for correct installation and operational procedures For assis tance or additional information consult a qualified installer service agency or the gas supplier WARNING This appliance is for installa tion only in a solid fuel burning masonry or UL127 factory built firepl
15. ER Hand Held Remote Operation Cont INSPECTING BURNERS Pilot Flame Pattern Burner Primary Air Holes Main Burner 17 OPERATING HEATER Continued Setting Flame Height Press the up or down key until the small triangle is to the left of large flame icon at the top of LCD display see Figure 29 page 16 Press the left or right key to set the desired flame height Six flame levels are available from 1 minimum to 6 maximum Setting Room Temperature Press the up or down key until the small triangle is to the left of the thermometer icon see Figure 29 page 16 Press the left or right key to set the desired room temperature Setting Timer Sleep Function Press the up or down key until the small triangle is to the left of the clock icon see Figure 29 page 16 Press the left or right key to set the desired sleep time Maximum sleep time is 90 minutes in 15 minute increments When desired time is set press the up or down key to start the timer When the desired time has elapsed the appliance will automatically switch off Child Safety Lock Out To lock the remote control keys press the On Off key then immediately press the up key see Figure 29 page 16 The lock out function is active when the lock icon is lit Repeat key sequence to unlock keys Low Battery Detection and Backup A battery icon will be displayed on the LCD display when batteries are low in the remote control see Figure 29 page 16 When
16. NG A CAUTION Do not remove the data plates from the grate assembly The data plates contain important warranty and safety information 1 Remove logs and heater base assembly from carton Note Do not pick up heater base assembly by burners This could dam age heater Always handle base assembly by grate 2 Remove all protective packaging applied to logs and heater for shipment 3 Check all items for any shipping damage If damaged promptly inform dealer where you bought heater DESA PRODUCT IDENTIFICATION REMOTE CONTROL ACCESSORIES PRODUCT FEATURES AIR FOR COMBUSTION AND VENTILATION Providing Adequate Ventilation PRODUCT IDENTIFICATION Remote Control Sy ED Oil S Control Cover Log B D Control Knob and Piezo Ignitor behind cover log Figure 1 Product Identification PRODUCT FEATURES OPERATION 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 realistic flames This heater is designed for vent free operation with flue damper closed It has been tested and approved to ANSI Z21 11 2 standard for unvented heaters State and local codes in some areas prohibit the use of vent free heaters This heater may also be operated as a vented decorative ANSI Z21 60 product by opening the flue damper SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sensing ODS safety shutoff system The ODS pi
17. SI Z223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts You must provide two permanent openings one within 12 of the ceiling and one within 12 of the floor Connect these items directly to the outdoors or spaces open to the outdoors These spaces include attics and crawl spaces Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts IMPORTANT Do not provide openings for inlet or outlet air into attic if attic has a thermostat controlled power vent Heated air entering the attic will activate the power vent For more information visit www d Ventilation Grills Ventilation Grills Into Adjoining Or Into Adjoining Room Room Option 2 Option 1 Remove Door into Adjoining Room Option O 3 SS DAN E i T Figure 2 Ventilation Air from Inside Building EEN Gute ae ir Outlet Air i To Attic To Crawl Inlet Air Ventilated Inlet Air Crawl Space Figure 3 Ventilation Air from Outdoors ACCC 111515 01A INSTALLATION INSTALLATION Check Gas Type Installation and Clearances for Vent Free Operation NOTICE This heater is intended for use as supple mental heat Use this heater
18. Y AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO FOUR 4 YEARS ON ALL COMPONENTS FROM THE DATE OF FIRST PURCHASE AND DESA HEATING PRODUCTS LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA HEATING PRODUCTS SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of incidental or consequential damages so the above limitation on implied warranties or exclusion or limitation on damages may not apply to you This warranty gives you specific legal rights and you may also have other rights that vary from state to state For information about this warranty write D ES A HEATING PRODUCTS 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com 111515 01 111515 01 Rev A NOT A UPC 04 03 For more information visit WWW tech com
19. a noncorrosive leak detection fluid to all joints Bubbles forming show a leak Correct all leaks at once A CAUTION Make sure external regulator has been installed between propane LP supply and heater See guidelines under Connecting to Gas Supply page 12 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 con trol valve and equipment shutoff valve from gas supply pip ing system Pressures in excess of 1 2 psig will damage heater regulator 2 Cap off open end of gas pipe where equipment shutoff valve was connected 3 Pressurize supply piping system by either opening propane LP supply tank valve for propane LP gas or opening main gas valve located on or near gas meter for natural gas or using compressed air 4 Check all joints of gas supply piping system Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak 5 Correct all leaks at once 6 Reconnect heater and equipment shutoff valve to gas supply Check reconnected fittings for leaks Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa 1 Close equipment shutoff valve see Figure 17 2 Pressurize supply piping system by either opening propane LP sup ply tank valve for propane LP gas or opening main gas valve lo cated on or near gas meter for natural gas or using compressed air 3 Check all joints from gas meter to equip
20. a slight curve but flame should be blue and have no yellow or orange color Pilot Burner Pilot Burner Thermocouple Thermocouple Figure 30 Correct Pilot Flame Pattern Your pilot may vary from pilots shown BURNER PRIMARY AIR HOLES Air is drawn into the burner through the holes in the fitting at the burner entrance These holes may become blocked with dust or lint Periodically inspect these holes for any blockage and clean if needed Blocked air holes will create soot MAIN BURNER Periodically inspect all burner flame holes with the heater running All slotted burner flame holes should be open with yellow flame present All round burner flame holes should be open with a small blue flame present Some burner flame holes may become blocked by debris or rust with no flame present If so turn off heater and let cool Remove blockage blocked burner flame holes will create soot Figure 31 Incorrect Pilot Flame Pattern Your pilot may vary from pilots shown DESA CLEANING AND MAINTENANCE Cleaning Burner Injector Holder and Pilot Air Inlet Hole Logs Main Burner CLEANING AND MAINTENANCE A WARNING Turn off heater and let cool before cleaning A CAUTION You must keep control areas burners and circulating air passageways of heater clean In spect these areas of heater before each use Have heater inspected yearly by a qualified service person Heater may need more frequent cleaning due to e
21. ace or in a listed ventless firebox enclosure It is de sign certified for these installations in ac cordance with ANSI Z21 11 2 Exception Do not install this appliance in a factory built fireplace that includes instructions stating it has not been tested or should not be used with unvented gas logs 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 permanently located manufactured mobile home where not prohibited by local codes This appliance is only for use with the type of gas indicated on the rating plate This appliance is not convertible for use with other gases Aftermarket Completion of sale not for purpose of resale from the manufacturer DESA this manual for future reference TABLE OF CONTENTS SAFETY INFORMATION TABLE OF CONTENTS SAFETY INFORMATION 0 eeceeeeseeseeeeeeeeeseeeeseeseeeeeeseeeeseeeneeeaees 2 LOCAL CODES mairina Os AAs a a a ees 3 UNPACKING iresi auc eth ile edt hee ed be ence emeeeeeeees 3 PRODUCT IDENTIFICATION 0 00 cee eects eteee tees teeeeneenneeeaees 4 PRODUCT FEATURES a eetevi as henner 4 AIR FOR COMBUSTION AND VENTILATION c cesses 4 INSTALLATION aticstsesc hes a te ea ctestie a aceeye 7 OPERATING HE
22. apors are used or stored e under dusty conditions Do not use this heater to cook food or burn paper or other objects Do not use heater if any part has been exposed to or under water Immediately call a qualified service technician to in spect the room heater and to replace any part of the control system and any gas control which has been under water FOr woes duie 111515 01A rmation visit www desatech com SAFETY INFORMATION LOCAL CODES UNPACKING 14 Do not operate heater if any log is broken Do not operate heater if a log is chipped dime sized or larger 15 Turn heater off and let cool before servicing installing or re pairing Only a qualified service person should install service or repair heater 16 Operating heater above elevations of 4 500 feet may cause pi lot outage 17 To prevent performance problems do not use propane LP fuel tank of less than 100 lb capacity propane LP units only 18 Provide adequate clearances around air openings 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 UNPACKI
23. ar out any gas Then smell for gas including near the floor If you smell gas STOP Fol low B in the safety information column 1 If you don t smell gas go to the next step 7 Press in and turn control knob counterclockwise N to the PILOT position Press in control knob for five 5 seconds see Figure 25 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 al low air to bleed from the gas system Remote Control Knob Selector Switch Ignitor C Button Figure 25 Remote Selector Switch Control Knob and Ignitor Button Control Knob Control Cover Log Ignitor Button Figure 26 Control Knob Shown in the OFF Positon and Ignitor Button Location OPERATING HEATER Lighting Instructions Cont To Turn Off Gas To Appliance Manual Lighting Procedure Hand Held Remote Operation OPERATING HEATER Continued 8 With control knob pressed in press and release ignitor but ton This will light pilot The pilot is attached to the rear of the front burner If needed keep pressing ignitor button until pilot lights Note If pilot does not stay lit contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match To light pilot with match see Manual Lighting Procedure 9 Keep control knob pressed in f
24. ce incoming gas pressure heater regulator damage could occur Install external regulator with the vent point ing down as shown in Figure 15 Pointing the vent down protects it from freezing rain or sleet A CAUTION Use only new black iron or steel pipe Internally tinned copper tubing may be used in certain areas Check your local codes Use pipe of 1 2 diam eter or greater to allow proper gas volume to heater If pipe is too small undue loss of volume will occur Installation must include an equipment shutoff valve union and plugged 1 8 NPT tap Locate NPT tap within reach for test gauge hook up NPT tap must be upstream from heater see Figure 16 IMPORTANT Install equipment shutoff valve in an accessible location The equipment shutoff valve is for turning on or shutting off the gas to the appliance Check your building codes for any special requirements for locating equipment shutoff valve to fireplaces Apply pipe joint sealant lightly to male NPT threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged heater valves A WARNING Use pipe joint sealant that is resistant to liquid petroleum LP gas We recommend that you install a sediment trap in supply line as shown in Figure 16 Locate sediment trap where itis within reach for cleaning Install in piping system between fuel supply and heater Locate sediment trap where trapped matter is no
25. d off or equipment 1 Turn on gas supply or open equipment spark at ODS pilot but no ignition shutoff valve closed shutoff valve 2 Control knob not in PILOT position 2 Turn control knob to PILOT position 3 Control knob not pressed in while in 3 Press in control knob while in PILOT PILOT position position 4 Air in gas lines when installed 4 Continue holding down control knob Repeat igniting operation until air is removed 5 Depleted gas supply propane LP only 5 Contact local propane LP gas company 6 ODS pilot is clogged 6 Clean ODS pilot see Cleaning and Maintenance page 18 or replace ODS pilot assembly 7 Gas regulator setting is not correct 7 Replace gas regulator ODS pilot lights but flame goes out when 1 Control knob not fully pressed in 1 Press in control knob fully control knob is released 2 Control knob not pressed in long enough 2 After ODS pilot lights keep control knob pressed in 30 seconds 3 Safety interlock system has been 3 Waitone minute for safety interlock sys triggered tem to reset Repeat ignition operation 4 Equipment shutoff valve not fully open 4 Fully open equipment shutoff valve 5 Pilot flame not touching thermocouple 5 A Contact local natural or propane LP which allows thermocouple to cool gas company causing pilot flame to go out This prob lem could be caused by one or both of B Clean ODS pilot see Cleaning and the following Maintenance page 18 or replace ODS A Low gas pressure pilot asse
26. eded e hardware package provided with heater e approved flexible gas hose and fittings not provided if allowed by local codes e sealant resistant to propane LP gas not provided e electric drill with 3 16 drill bit metal or masonry as applicable e flathead screwdriver e pipe wrench 1 Apply pipe joint sealant lightly to male threads of gas fitting not provided Connect approved flexible gas hose to gas con trol fitting in heater see Figure 11 IMPORTANT Hold gas fitting with wrench when connecting flexible gas hose Locate two masonry screws in hardware package Place heater base in fireplace PDS Place logs in their proper position on heater base see Installing Logs page 14 Flexible Gas Hose if allowed by local codes Fitting For more information visit www P 111515 01A INSTALLATION Installing Heater Base Assembly Cont Installing Batteries for Remote Receiver and Hand Held Remote Control INSTALLATION Continued 5 Center heater base and logs front to back and side to side in fireplace 6 Carefully remove logs without moving heater base 7 Mark screw locations through one hole on each side of the base see Figure 12 If installing in a brick bottom fireplace mark screw locations in mortar joint of bricks 8 Drill holes at marked locations using 3 16 drill bit Attach base assembly to fireplace floor using two masonry screws in hardware package Screw
27. ege Completed Graduate School 13 Age of Purchaser O Under 20 O20 29 O30 39 O40 49 O50 59 O60 or Over 14 Buyer s total annual household income O Under 15 000 O 15 000 to 19 999 O 20 000 to 34 999 O 35 000 to 49 999 O 50 000 to 74 999 O 75 000 to 99 999 O 100 000 and Over 15 Store where product was purchased Name City State 16 In choosing this product how important were the following Not Important Somewhat Important Very Important Availability O O O Price O O O Brand Name O O O Overall Quality O O O Heat Output O O O Made in USA O O O Warranty O O O Local Service O O O Value for Price O O O Prior Brand Experience O O O Controls Location O O O Thermostat Remote or Manual Operation O O O Ease of Operation O O O Special Features O O O Salesperson s Recommendation O O O Friend Relative s Recommendation O O O Portability O O O Quiet Operation O O O AdVL Postage Required DESA HEATING PRODUCTS 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 TAPE ACCESSORIES 27 ACCESSORIES NOTICE All accessories may not be available for all fireplace models Purchase these heater accessories from your local dealer If they can not supply these accessories call DESA Heating Products at 1 866 672 6040 for referral information You can also write to the address listed on the back page of this manual EQUIPMENT SHUTOFF VALVE GA5010 For all models Equ
28. eplacement part number WIRING DIAGRAM O 2 e D NVW OLNV SERVICE HINTS When Gas Pressure Is Too Low e pilot will not stay lit e burners will have delayed ignition e heater will not produce specified heat e for propane LP units propane LP gas supply may be low You may feel your gas pressure is too low If so contact your local propane LP or natural gas supplier TECHNICAL SERVICE You may have further questions about installation operation or troubleshooting If so contact DESA Heating Products 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 Products technical services web site at www desatech com desatechn com 111515 01A OWNER S REGISTRATION FORM In order to provide better customer service for this and future purchases we recommend that you register your product with us You can register online at www desatech com If access to our website is not available to you please complete this Owner s Registration Form and mail to the address on the back of this owner s manual Please provide the following product information Brand Comfort Glow Vanguard etc Model EFP33PR VTGH33NR etc Date Purchased Note Keep receipt for warranty verification Serial Number 2 7or9 digit number located on product or identification tag First Name Last Name Address City State Zip C
29. erson Heater produces unwanted odors WN Heater burning vapors from paint hair spray glues cleaners chemicals new carpet etc See IMPORTANT state ment above Low fuel supply propane LP only Gas leak See Warning statement at top of page Wh Open window to ventilate room Stop us ing odor causing products while heater is running Refill supply tank propane LP only Locate and correct all leaks see Check ing Gas Connections page 13 Heater shuts off in use ODS operates Not enough fresh air is available Low line pressure ODS pilot is partially clogged Open window and or door for ventilation Contact local natural or propane LP gas company Clean ODS pilot see Cleaning and Maintenance page 18 Gas odor even when control knob is in OFF position Gas leak See Warning statement at top of page Control valve defective Locate and correct all leaks see Check ing Gas Connections page 13 Replace control valve Gas odor during combustion Foreign matter between control valve and burner Gas leak See Warning statement at top of page Take apart gas tubing and remove for eign matter Locate and correct all leaks see Check ing Gas Connections page 13 Por wir Joie 111515 01A j rmation visit www desatech com DESA ILLUSTRATED PARTS BREAKDOWN Models LDL3924NR LDL3924PR LDL3930NR and LDL3930PR
30. heet 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 6 B Vent room directly to the outdoors See Ventilation Air From Out doors page 6 C Install a lower Btu Hr heater if lower Btu Hr size makes room unconfined If the actual Btu Hr used is less than the maximum Btu Hr the space can support the space is an unconfined space You will need no additional fresh air ventilation AX WARNING If the area in which the heater may be operated is smaller than that defined as an uncon fined space or if the building is of unusually tight construction provide adequate combustion and ven tilation air by one of the methods described in the National Fuel Gas Code ANSI Z223 1 NFPA 54 Sec tion 5 3 or applicable local codes DESA AIR FOR COMBUSTION AND VENTILATION Ventilation Air AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space When ventilating to an adjoining unconfined space you must provide two permanent openings one within 12 of the ceiling and one within 12 of the floor on the wall connecting the two spaces see options and 2 Figure 2 You can also remove door into adjoining room see option 3 Figure 2 Follow the National Fuel Gas Code AN
31. imum Firebox Size Height Depth Front Rear Width Width 18 17 14 24 20 24 17 14 28 21 30 17 14 34 24 36 17 14 40 30 Measured at 14 depth DESA INSTALLATION Installation and Clearances for Vent Free Operation Cont INSTALLATION Continued Carefully follow the instructions below This will ensure safe installation into a masonry UL127 listed manufactured fireplace or listed vent free firebox Minimum Clearances For Side Combustible Material Side Wall and Ceiling A Clearances from the side of the fireplace cabinet to any com bustible material and wall should follow diagram in Figure 4 Example The face of a mantel bookshelf etc is made of combustible material and protrudes 3 2 from the wall This combustible material must be 4 from the side of the fireplace cabinet see Figure 4 Note When installing your gas logs into a manufactured firebox follow firebox manufacturer s instructions for minimum clear ances to combustible materials B Clearances from the top of the fireplace opening to the ceiling should not be less than 42 inches Example INCHES 2 4 6 8 10 12 14 16 INCHES ey 5 1 Minimum 16 inches from Side Wall Figure 4 Minimum Clearance for Combustible to Wall NOTICE Manual control heaters may be used as a vented product If so you must always run heater with chi
32. ipment shutoff valve with 1 8 NPT tap Fits 1 2 NPT pipe a i FIREPLACE HOOD Black GA6050 Brass GA6052 Antique Brass GA6053 For all models Helps deflect heat away from mantel or wall above fireplace Fits openings 28 to 48 wide Por woes duie 111515 01A l rmation visit www desatech com DAMPER CLAMP GA6080 Not Shown For all models Permanently opens chimney flue damper for vented operation LAVA ROCK GA6060 Not Shown For all models Order when additional rock is desired 1 8 Ib bag CLEANING KIT GCK Not Shown For all models Your vent free gas appliance requires regular cleaning and maintenance to prevent performance problems This kit gives you the tools and instructions to make it easy to clean all critical areas of your appliance INFORMATION VIDEO 108917 01 For all models A care and maintenance video is available by calling 1 866 672 6040 You may also email your request to productsupport desaint com DESA 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 LIMITED WARRANTY VENT FREE GAS LOG HEATERS DESA Heating Products warrants this product to
33. lled as a vented appliance See Installing Damper Clamp Accessory for Vented Operation page 10 Before installing in a solid fuel burning fireplace the chimney flue and firebox must be cleaned of soot creosote ashes and loose paint by a qualified chimney cleaner Creosote will ig nite if highly heated Inspect chimney flue for damage If dam aged repair flue before operating heater Do not burn solid fuel in a masonry or UL127 factory built fireplace in which a vent free room heater is installed If fireplace has glass doors never operate this heater with glass doors closed If you operate heater with doors closed heat buildup inside fireplace will cause glass to burst Make sure there are no obstructions across opening of fireplace To prevent the creation of soot follow the instructions in Clean ing and Maintenance page 18 Before using furniture polish wax carpet cleaner or similar products turn heater off If heated the vapors from these prod ucts may create a white powder residue within burner box or on adjacent walls and furniture This heater needs fresh outside air ventilation to run properly This heater has an Oxygen Depletion Sensing ODS safety shutoff system The ODS shuts down the heater if enough fresh air is not available See Air for Combustion and Ventilation pages 4 through 6 If heater keeps shutting off see Trouble shooting pages 19 through 21 Do not run heater e where flammable liquids or v
34. lot is a required feature for vent free room heaters The ODS pilot shuts off the heater if there is notenough fresh air PIEZO IGNITION SYSTEM This heater has a piezo ignitor This system requires no matches batteries or other sources to light heater AIR FOR COMBUSTION AND VENTILATION A WARNING This heater shall not be installed ina confined space or unusually tight construction un less provisions are provided for adequate combus tion and ventilation air Read the following instruc tions to insure proper fresh air for this and other fuel burning appliances in your home Today s homes are built more energy efficient than ever New mate rials increased insulation and new construction methods help reduce heat loss in homes Home owners weather strip and caulk around windows and doors to keep the cold air out and the warm air in During heating months home owners want their homes as airtight as possible While it is good to make your home energy efficient your home needs to breathe Fresh air must enter your home All fuel burning appliances need fresh air for proper combustion and ventilation Exhaust fans fireplaces clothes dryers and fuel burning appliances draw air from the house to operate You must provide adequate fresh air for these appliances This will insure proper venting of vented fuel burning appliances PROVIDING ADEQUATE VENTILATION The following are excerpts from National Fuel Gas Code
35. mbly B Dirty or partially clogged ODS pilot 6 Thermocouple connection loose at con 6 Hand tighten until snug then tighten trol valve 1 4 turn more 7 Thermocouple damaged 7 Replace pilot assembly 8 Control valve damaged 8 Replace control valve FOr woes duie 111515 01A l rmation visit www desatech com DESA TROUBLESHOOTING TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does not light after ODS pilot is lit 1 Inlet gas pressure is too low 1 Contact local natural or propane LP gas company 2 Burner orifice s clogged 2 Clean burner s see Cleaning and Mainte nance page 18 or replace burner orifice 3 Thermopile leads disconnected or im 3 Reconnect leads see Wiring Diagram properly connected page 24 4 Burners will not come on in remote po 4 Replace battery in hand held remote and sition receiver Delayed ignition of one or both burners 1 Manifold pressure is too low 1 Contact local natural or propane LP gas company 2 Burner orifice s clogged 2 Clean burner s see Cleaning and Main tenance page 18 or replace burner orifice s Burner backfiring during combustion 1 Burner orifice is clogged or damaged 1 Clean burner see Cleaning and Mainte nance page 18 or replace burner orifice 2 Damaged burner 2 Replace damaged burner 3 Gas regulator defective 3 Replace gas regulator Slight smoke or odor during initial operation 1 Not enough air 1 Check b
36. ment shutoff valve for natural gas or propane LP supply to equipment shutoff valve for propane LP see Figures 18 and 19 Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak 4 Correct all leaks at once Pressure Testing Heater Gas Connections 1 Open equipment shutoff valve see Figure 17 2 Open main gas valve located on or near gas meter for natural gas or open propane LP supply tank valve Por nora information visit www desatech com 111515 01A 3 Make sure control knob of heater is in the OFF position Check all joints to gas control see Figures 18 or 19 Apply noncorrosive leak detection fluid to all joints Bubbles form ing show a leak 5 Correct all leaks at once Light heater see Operating Heater pages 15 through 17 Check all other internal joints for leaks 7 Turn off heater see To Turn Off Gas to Appliance page 16 H Open Equipment p Shutoff Valve Closed Figure 17 Equipment Shutoff Valve Equipment Shutoff Valve Gas Control Propane LP Valve Location Supply Tank Figure 18 Checking Gas Joints Propane LP only Equipment Shutoff Valve Gas Control Valve Location Gas Meter Figure 19 Checking Gas Joints Natural Gas Only DESA INSTALLATION Installing Logs INSTALLATION Continued INSTALLING LOGS A WARNING Failure to position the parts in accor dance wi
37. mney flue damper open If running heater with damper open noncombustible material above fire place opening is not needed Go to Installing Damper Clamp Accessory for Vented Operation page 10 Minimum Noncombustible Material Clearances If Not Using Mantel Note If using a mantel proceed to Jf Using Mantel If not using a mantel follow the information on this page 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 For more information visit www noncombustible material behind it Noncombustible material must extend at least 8 up Ifnoncombustible material is less than 12 you must install the fireplace hood accessory See Figure 5 for minimum clearances 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 inches up If noncombustible material is less than 12 you must install the fireplace hood accessory Even if noncom bustible material is more than 12 you may need the hood accessory to deflect heat away from your mantel shelf See Figure 5 and Figures 6 and 7 page 9 for minimum clearances IMPORTANT If you cannot meet these minim
38. n the floor level you must maintain the minimum distance of 14 to combustibles see Figure 8 B Ifcombustible materials are less than 14 to the fireplace you must install appliance at least 5 above the combustible floor ing see Figure 9 Combustible Material NSSSSSSSSSN Noncombustible Material Figure 8 Minimum Fireplace Clearances If Installed at Floor Level Hearth Combustible f Material 5 amp ey Figure 9 Minimum Fireplace Clearances Above Combustible Flooring DESA INSTALLATION Installing Damper Clamp Accessory for Vented Operation Installing Heater Base Assembly INSTALLATION Continued INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION Note When used as a vented heater appliance must be installed only in a solid fuel burning fireplace with a working flue and constructed of noncombustible material You may use this heater as a vented product There are three reasons for operating your heater in the vented mode 1 The fireplace does not meet the clearance to combustibles re quirements for vent free operation 2 State or local codes do not permit vent free operation 3 You prefer vented operation If reasons number or 2 above apply to you you must permanently open chimney flue damper You must install the damper clamp accessory to order see Accessories page 27 This will insure vented operation see Figure 10 The damper clamp will kee
39. ollow these instructions exactly a fire or explosion may result causing prop erty damage personal injury or loss of life A B This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric 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 de partment 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 hand don t try to repair it call a qualified service techni cian or gas supplier Force or attempted repair may result in a fire or explosion Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS A WARNING If fireplace has glass doors never operate this heater with glass doors closed If you operate heater with doors closed heat buildup inside fire place will cause glass to burst Make su
40. or 30 seconds after lighting pilot After 30 seconds release control knob e If control knob does not pop out when released contact a qualified service person or gas supplier for repairs Note If pilot goes out repeat steps 4 through 8 10 Slightly push in and turn control knob counterclockwise y cto the ON position 11 Press the on off key on the remote control to turn on appli ance main burner Wait at least 5 seconds before setting desired flame height 12 Press the up or down key until the small triangle is to the left of large flame icon at the top of LCD display see Figure 29 Press the left or right key to set the desired flame height 13 Replace control cover log see Figure 26 page 15 A CAUTION Do not try to adjust heating levels by using the equipment shutoff valve Note The pilot flame on natural gas units will havea slight curve but flame should be blue and have no yellow or orange color Ignitor Pilot Burner Electrode Pilot Burner Ignitor Electrode Figure 27 Pilot Propane LP Figure 28 Pilot Natural TO TURN OFF GAS Shutting Off Heater Press on off key on remote control and turn control knob clockwise N to the OFF position see Figure 25 page 15 Shutting Off Burners Only pilot stays lit Press the on off key on remote control or turn control knob clockwise to the PILOT position For more information visit ww MANUAL LIGHTING PROCEDURE 1 Follo
41. ountry Home Phone __ E Mail Please answer the following questions to register your product with DESA Heating Products 1 Where will the product be used O Living Family Room O Office Warehouse O Utility Shed Outbuilding Garage Bedroom O Bathroom O Other If you bought this product yourself did you plan to purchase this type of product before going into the store O Yes O No Who selected the product O Male O Female O Both 4 What is the population of your area O Under 10 000 10 000 to 25 000 O 25 000 to 50 000 50 000 to 100 000 O 100 000 to 250 000 O Over 250 000 5 What is your primary source of heat O Propane LP Gas O Fuel Oil O Wood O Natural Gas O Electric Other 6 How was the product installed Professional Installer O Self Other 7 Cost of product excluding sales tax 8 Cost to install product 9 Type of store where product was purchased O Hardware O Propane Dealer O Natural Gas Utility Co Home Center Builder s Supply O Fireplace or Hearth Shop O Farm Store O Other 10 What motivated you to buy this product O Sudden Cold Weather Replace Older Model O D I Y Home Project O Emergency Back Up Heat O Heater was on Sale O Energy Savings High Efficiency Construction Project O Other 11 How did you learn about this product brand O Advertising O Relative or Friend Store Display O Other 12 Level of Education of Purchaser O Some High School Completed High School Completed Coll
42. p damper open Installation instructions are included with clamp accessory 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 Area of Various Standard Round Flues Diameter ins Area sq ins 5 20 sq inches 6 29 sq inches 7 39 sq inches 8 51 sq inches Chimney Minimum Permanent Height ft Flue Opening sq ins 6 to 15 39 sq inches 15 to 30 29 sq inches W Sa Clamp Damper Clamp Damper Masonry Fireplace Manufactured Fireplace Figure 10 Attaching Damper Clamp INSTALLING HEATER BASE ASSEMBLY A WARNING You must secure this heater to fire place floor If not heater will move when you adjust controls Moving heater may cause a gas leak or log misplacement A WARNING If installing in a sunken fireplace spe cial care is needed You must raise the fireplace floor to allow access to heater control panel This will insure adequate air flow and guard against sooting and con trols being damaged Raise fireplace floor with noncom bustible material Make sure material is secure A CAUTION Do not pick up heater base assembly by burners This could damage heater Only handle base assembly by grates IMPORTANT Make sure the heater burners are level If heater is not level heater will not work properly Installation Items Ne
43. pace cu ft volume of space If additional ventilation to adjoining room is supplied with grills or open ings add the volume of these rooms to the total volume of the space 2 Multiply the space volume by 20 to determine the maximum Btu Hr the space can support volume of space x 20 Maximum Btu Hr the space can support Example 2560 cu ft volume of space x 20 51 200 maximum Btu Hr the space can support Por oes iiie 111515 01A mation visit www desatech com 3 Add the Btu Hr of all fuel burning appliances in the space Vent free heater Btu Hr Gas water heater Btu Hr Gas furnace Btu Hr Vented gas heater Btu Hr Gas fireplace logs Btu Hr Other gas appliances Btu Hr Total Btu Hr Do not include direct vent gas appliances Direct vent draws com bustion air from the outdoors and vents to the outdoors Example Gas water heater 40 000 Btu Hr Vent free heater 33 000 Btu Hr Total 73 000 Btu Hr 4 Compare the maximum Btu Hr the space can support with the actual amount of Btu Hr used Btu Hr maximum the space can support Btu Hr actual amount of Btu Hr used Example 51 200 Btu Hr maximum the space can support 73 000 Btu Hr actual amount of Btu Hr used The space in the above 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 works
44. re there are no obstructions across opening of fireplace e Youmust operate this heater witha fireplace screen in place Make sure fireplace screen is closed before running heater NOTICE During initial operation of new heater burn ing logs will give off a paper burning smell Orange flame will also be present Open damper or window to vent smell This will only last a few hours Por Inora information visit 111515 01A www desatech com OPERATING HEATER For Your Safety Read Before Lighting Lighting Instructions Note Home owners generally prefer to operate their heater with the chimney damper closed This will put all the heat into the room However there may be times you will desire the full flames of the highest heat setting but will find the heat output excessive You can open the chimney damper if you have one fully or partially to release some of the heat AX WARNING Damper handle will be hot if heater has been running A WARNING Burners will come on automatically within one minute when the control valve is in the ON position after the pilot is lit STOP Read the safety information in column 1 Make sure equipment shutoff valve is fully open Remove control cover log see Figure 26 Set remote selector switch in the AUTO position See Figure 25 Press in and turn control knob clockwise Z N to the OFF position see Figure 25 WP Se we 6 Wait five 5 minutes to cle
45. rrents affecting 2 Eliminate source of drafts around heater pliance off residue before reusing appliance flame pattern 3 Air holes at burner inlet blocked 3 Clean out air holes at burner inlet Peri odically repeat as needed 4 Burner flame holes blocked 4 Remove blockage 111515 01A TROUBLESHOOTING Continued TROUBLESHOOTING building AX WARNING If you smell gas Shut off gas supply Do not try to light any appliance e Do not touch any electrical switch do not use any phone in your Immediately call your gas supplier from aneighbor 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 Cleaning supplies paint paint remover cigarette smoke cements and glues new carpet or textiles etc create fumes These fumes may mix with combustion air and create odors These odors will disappear over time OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Remote does not function 1 Battery is not installed Battery power is low l Replace 4 AA batteries in receiver and 3 AAA batteries in hand held remote control Heater produces a clicking ticking noise just after burners are lit or shut off Metal expanding while heating or con tracting while cooling This is common with most heaters If noise is excessive contact qualified ser vice p
46. t likely to freeze A sediment trap traps moisture and contaminants This keeps them from going into heater controls If sediment trap is not installed or is installed wrong heater may not run properly A CAUTION Avoid damage to gas control Hold gas fitting with wrench when connecting it to gas piping and or fittings External Regulator Propane LP Supply Tank Vent Pointing Down RAO oly Yb yri Mi Figure 15 External Regulator With Vent Pointing Down Approved Flexible Gas Hose if allowed by local codes 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 Nipple Cap Tee Joint CSA Design Certified Equipment Shutoff Valve With 1 8 NPT Tap 3 Minimum f X Control Figure 16 Gas Connection sediment Trap Purchase the optional CSA design certified equipment shutoff valve from your dealer See Accessories page 27 Minimum inlet pressure for purpose of input adjustment For more information visit www desatech com 111515 01A INSTALLATION Checking Gas Connections INSTALLATION Continued CHECKING GAS CONNECTIONS A WARNING Test all gas piping and connections internal and external to unit for leaks after installing or servicing Correct all leaks at once WARNING Never use an open flame to check for a leak Apply
47. th these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury A CAUTION After installation and periodically there after 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 accord ing to the log installation instructions in this manual Flames contacting logs will create soot It is very important to install the logs exactly as instructed Do not modify logs Only use logs supplied with heater 1 Place rear log log 1 behind burner on the two pins on rear bracket see Figure 20 2 Place cutouts of middle log log 2 on burner as shown in Figure 21 Figure 21 Middle Log Log 2 Placement For more information visit www di Place left front log log 3 on grate prongs as shown in Figure 22 Place right front log log 4 on peg of log 3 and grate prongs as shown in Figure 22 Place left crossover log log 5 on pegs of log 2 and 3 see Figure 23 Place middle crossover log log 6 on pegs of log 1 and 2 see Figure 23 Place right crossover log log 7 on pegs of log 2 and 4 see Figure 23 Slide control cover log log 8 into place between front logs 3 and 4 see Figure 24 Peg SALEEN TCO 111515 01A OPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTING Awarnine If you do not f
48. the receiver detects a low battery condition e Three acoustic beeps are generated from the receiver e Appliance is turned off and will go to the maximum flame height Execution of commands is inhibited until batteries are replaced When batteries are low itis not possible to turn on the appliance with the remote control Appliance can be turned on or off manually by setting the backup switch of the receiver to MAN position see Figure 13 page 11 Remote control and receiver will restart normal operation after batteries are replaced See Installing Batteries for Remote Receiver and Hand Held Remote Control page 11 Timeout If appliance is turned on and no command is sent to the receiver for 24 hours appliance will automatically shut down Com mands sent after shutdown will be executed normally POL Ioa Tite 111515 01A mation visit www desatech com INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often PILOT FLAME PATTERN Figure 30 shows a correct pilot flame pattern Figure 31 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 If pilot flame pattern is incorrect as shown in Figure 31 e turn heater off see To Turn Off Gas to Appliance page 16 e see Troubleshooting pages 19 through 21 Note The pilot flame on natural gas units will have
49. ube Depending on Model Primary Air Inlet Holes Shape of Holes May Vary by Model Figure 32 Injector Holder On Outlet Burner Tube Ports Slots Burner Tube Pilot Assembly Pilot Air Inlet Hole Figure 33 Pilot Inlet Air Hole desateCcht com 111515 01A TROUBLESHOOTING TROUBLESHOOTING Note For additional help visit DESA Heating Products technical service web site at www desatech com Note All troubleshooting items are listed in order of operation A WARNING Turn off heater and let cool before servicing Only a qualified service person should service and repair heater A 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 1 Ignitor electrode not connected to igni 1 Reconnect ignitor cable spark at ODS pilot tor cable 2 Ignitor cable pinched or wet 2 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 3 Piezo ignitor nut is loose 3 Tighten nut holding piezo ignitor to base panel of log set Nut is located behind base panel 4 Broken ignitor cable 4 Replace ignitor cable 5 Bad piezo ignitor 5 Replace piezo ignitor 6 Ignitor electrode positioned wrong 6 Replace pilot assembly 7 Ignitor electrode broken 7 Replace pilot assembly When ignitor button is pressed there is 1 Gas supply turne
50. um clearances you must operate heater with chimney flue damper open Go to Install ing Damper Clamp Accessory for Vented Operation page 10 Noncombustible Material Distance A 12 or more Requirements for Safe Installation Noncombustible material OK 24 30 or 36 Models Install fireplace hood accessory GA6050 GA6052 or GA6053 see Accesso ries page 27 18 Model Noncombustible material OK Between 8 and 12 Less than 8 Noncombustible material must be extended to at least 8 See Between 8 and 12 above If you cannot extend material you must operate heater with flue damper open Heat Resistant Material Figure 5 Heat Resistant Material Slate Marble Tile etc Above Fireplace ACCC 111515 01A INSTALLATION Mantel Clearances Floor Clearances INSTALLATION Continued MANTEL CLEARANCES In addition to meeting noncombustible material clearances you must also meet required clearances between fireplace opening and mantel shelf If you donot meet the clearances listed below you willneed ahood Determining Minimum Mantel Clearance If you meet minimum clearance between mantel shelf and top of fireplace opening a hood is not required see Figure 6 Determining Minimum Mantel Clearance When Using a Hood If minimum clearances in Figure 6 are not met you must have a hood When using a hood there are still certain minimum mantel clearances required Follo
51. urface to cool before touching Carefully supervise young children when they are in the room with heater When using the hand held remote accessory keep selector switch in the OFF position to prevent children from turning on burners with remote You must operate this heater with a fireplace screen in place Make sure fireplace screen is closed before running heater A WARNING Do not use a blower insert heat exchanger insert or other accessory not approved for use with this heater Keep the appliance area clear and free from combus tible materials gasoline and other flammable vapors and liquids For more information visit www w desatech com 111515 01A SAFETY INFORMATION Continued 1 10 11 12 13 This appliance is only for use with the type of gas indicated on the rating plate This appliance is not convertible for use with other gases Do not place propane LP supply tank s inside any structure Lo cate propane LP supply tank s outdoors propane LP units only 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 This heater shall not be installed in a bedroom or bathroom unless insta
52. urner for dirt and debris If found clean burner see Cleaning and Maintenance page 18 2 Gas regulator defective 2 Replace gas control 3 Residues from manufacturing processes 3 Problem will stop after a few hours of and logs curing operation Heater produces a whistling noise when 1 Turning control knob to HI position 1 Turn control knob to LO position and burners are lit when burners are cold let warm up for a minute 2 Air in gas line 2 Operate burners until air is removed from line Have gas line checked by lo cal natural or propane LP gas company 3 Air passageways on heater blocked 3 Observe minimum installation clear ances see pages 8 through 10 4 Dirty or partially clogged burner 4 Clean burners see Cleaning and Mainte orifice s nance page 18 or replace burner orifice White powder residue forming withinburner 1 When heated vapors from furniture pol 1 Turn heater off when using furniture box or on adjacent walls or furniture ish wax carpet cleaners etc may turn polish wax carpet cleaners or similar into white powder residue products Moisture condensation noticedon windows 1 Not enough combustion ventilation air 1 Refer to Air for Combustion and Venti lation requirements page 4 Dark residue on logs inside of their fireplace 1 Improper log placement 1 Properly locate logs see Installing Logs Note After removing all causes of residue page 14 deposits completely clean fireplaceandap 2 Drafts or other air cu
53. w minimum clearances shown in Figure 7 when using hood NOTICE Surface temperatures of adjacent walls and mantels become hot during operation Walls and mantels above the firebox may become hot to the touch If installed properly these temperatures meet the requirement of the national product standard Follow all minimum clearances shown in this manual 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 e raise the mantel to an acceptable height remove the mantel 10 a Mantel Shelf T Underside of Mantel Shelf A All minimum distances are cor g in inches Minimum Non gt A Combustible A Log Set Material 12 18 20 22 24 lt 24 30 36 Models 8 8 14 17 20 lt 18 Model y Y Top of Fireplace QY ee Opening Minimum Non Distances to Combustible Underside of Material Height Mantel Figure 6 Minimum Mantel Clearances Without Using Hood Por woes Iie 111515 01A ormation visit www desatech com Mantel Shelf Underside of Mantel Shelf All minimum distances are Minimum Non gt in inches Combustible Material Top of Fireplace Opening Hood GA6050 GA6052 tiwicreide to or GA6053 Matel Figure 7 Minimum Mantel Clearances When Using Hood FLOOR CLEARANCES A If installing appliance o
54. w steps 1 through 7 under Lighting Instructions page 15 2 Depress control knob and light pilot with match 3 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Now follow steps 9 through 11 under Lighting Instructions in column 1 NOTICE You must light the pilot before using the hand held remote control unit See Lighting Instruc tions page 15 HAND HELD REMOTE OPERATION When the appliance and the remote control are switched off the house icon with the room temperature will be displayed When the remote control is turned on other icons will be visible and the main burner of the appliance will turn on 1 Turn control knob clockwise to the ON position see Figure 25 page 15 2 Press the ON button on remote control see Figure 29 Wait 5 seconds to send a command to appliance Note An acoustic signal will be heard that confirms the recep tion of the command sent from the remote control Small Triangle Icon Function Indicator LCD Display Flame Height Tt y Room Indicator Temperature Thermometer SRA ma Tr af acne Clock Icon p ai oe RA ___ Lock Out Indicator ae Low Battery Left and Right KZ Indicator Keys Increase and Decrease Set Points size Up and Down Keys Select Available On Off Button Functions Figure 29 Remote Control oF A p V desatech Com 111515 01A OPERATING HEAT
55. xces sive lint from carpeting pet hair bedding material etc A WARNING Failure to keep the primary air opening s of the burner s clean may result in soot ing and property damage CLEANING BURNER INJECTOR HOLDER AND PILOT AIR INLET HOLE The primary air inlet holes allow the proper amount of air to mix with the gas This provides a clean burning flame Keep these holes clear of dust dirt lint and pet hair Clean these air inlet holes prior to each heating season Blocked air holes will create soot We recommend that you clean the unit every three months during operation and have heater inspected yearly by a qualified service person We also recommend that you keep the burner tube and pilot assembly clean and free of dust and dirt To clean these parts we recommend using compressed air no greater than 30 PSI Your local computer store hardware store or home center may carry com pressed air in a can You can use a vacuum cleaner in the blow position If using compressed air in a can please follow the direc tions on the can If you don t follow directions on the can you could damage the pilot assembly 1 Remove control cover log and front log 2 Shut off the unit including the pilot Allow the unit to cool for at least thirty minutes 3 Inspect burner pilot and primary air inlet holes on injector holder for dust and dirt see Figures 32 and 33 Blow air through the ports slots and holes in the burner

Desa LDL3924NR User's Manual

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