Home

Desa LSL3124N User's Manual

1. 3 ODS Pilot Propane LP cl For more information visit r desatech com 111347 01B PARTS LIST VARIABLE MANUALLY CONTROLLED ECHO VALLEY OAK LOG MODELS This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 28 of this manual 111347 01B KEY PART NUMBER FOR NO LSL3124P 102773 01 104286 01 102568 08 098354 01 098276 01 098508 01 098462 03 098325 01 110801 01 110802 06 098867 10 099387 08 099056 31 110790 01 110790 02 110793 01 110817 01 110791 01 110902 01 102445 01 102334 01 098271 10 111124 01 M11084 26 M11084 38 098249 01 111501 01 111501 02 111501 03 111501 04 111501 05 PARTS AVAILABLE NOT SHOWN 100563 01 101055 02 GA6060 101137 02 PARTS LIST Models LSL3124N and LSL3124P LSL3124N 102773 01 104285 01 102568 07 098354 01 098276 01 098508 01 098462 03 098325 01 110801 01 111195 01 098867 14 099387 08 099056 26 110790 01 110790 02 110793 01 110817 01 110791 01 110902 01 102445 01 102334 01 098271 10 111124 01 M11084 26 M11084 38 098249 01 111501 01 111501 02 111501 03 111501 04 111501 05 100563 01
2. Shape of Holes May Vary by Model Figure 29 Injector Holder On Outlet Burner Tube Ports Slots Burner Tube Pilot Assembly Pilot Air Inlet Hole Figure 30 Pilot Inlet Air Hole LOGS e If you remove logs for cleaning refer to Installing Logs pages 13 and 14 to properly replace logs e Replace log s if broken or chipped dime sized or larger Por woes duie 111347 01B E rmation visit www desatech com SPECIFICATIONS Echo Valley Oak Log Variable Manually Controlled Btu Variable 16 000 31 500 Type Gas Propane LP Natural Ignition Piezo Manifold Pressure 8 0 W C 3 5 W C Inlet Gas Pressure in of water Maximum 14 10 5 Minimum 11 5 Shipping Weight 38 lbs For purpose of input adjustment Meadowbrook Oak Log Thermostatically Controlled Btu Variable 26 000 39 000 Type Gas Propane LP Natural Ignition Piezo Manifold Pressure 8 0 W C 3 5 W C Inlet Gas Pressure in of water Maximum 14 10 5 Minimum 11 5 Shipping Weight 28 Ibs For purpose of input adjustment DESA 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 OBSERVED PROBLEM Ay WARNING Turn off heater and let cool before servicing Only a qualified service person should service and repair heater
3. 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 Side Wall Ceiling 16 42 LOG SIZING REQUIREMENTS Minimum Firebox Height Depth Front Rear Width Width 17 14 28 21 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 list
4. A CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit POSSIBLE CAUSE REMEDY When ignitor button is pressed there is no spark at ODS pilot 1 Ignitor electrode not connected to igni tor cable 1 Reconnect ignitor 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 turned 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 pages 18 and 19 or re place ODS pilot assembly 7 Gas regula
5. 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 NOTES NOTES Foygmore information visit www desatech com DESA 111347 01B 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 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 w
6. Figure 26 Pilot Shutting Off Heater Turn control knob clockwise x to the OFF position TO TURN OFF GAS TO APPLIANCE Shutting Off Burners Only pilot stays lit Turn control knob clockwise x to the PILOT position CONTROL OPERATION The thermostat control knob can be set to any comfort level between HI and LO The thermostat will gradually modulate the heat output and flame height from higher to lower settings or pilot in order to maintain the comfort level you select The ideal comfort setting will vary by household depending upon the amount of space to be heated the output of the central heating system etc Note Selecting the HI setting with the control knob will cause the burners to remain fully on without modulating down in most cases PROCEDURE 1 Follow steps 1 through 5 under Lighting Instructions column 1 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 step 8 under Lighting Instructions column 1 DESA INSPECTING BURNERS Pilot Flame Pattern Burner Primary Air Holes Main Burner CLEANING AND MAINTENANCE Cleaning Burner Injector Holder and Pilot Air Inlet Hole INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often PILOT FLAME PATTERN Figure 27 shows a correct pilot flame pattern Figure 28 shows an incorrect pilot flame pattern
7. When ordering parts follow the instructions listed under Replacement Parts on page 25 of this manual Ey PARTNUMBER FOR 111347 01B CDL3924NT 102772 01 104285 01 098249 01 098271 10 099387 09 099056 16 111124 01 111195 04 098867 14 M11084 38 110801 02 M11084 26 108631 01 110790 03 110790 01 110790 02 099211 01 101329 20 098544 01 110793 01 102445 01 111125 01 111144 01 111144 02 111144 03 111144 04 100563 01 101054 01 100639 02 101137 02 GA6060 CDL3924PT 102772 01 104286 01 098249 01 098271 10 099387 09 099056 17 111124 01 110802 03 098867 10 M11084 38 110801 02 M11084 26 108631 01 110790 03 110790 01 110790 02 099211 01 098522 10 098544 01 110793 01 102445 01 111125 01 111144 01 111144 02 111144 03 111144 04 100563 01 101054 01 100639 02 101137 02 GA6060 Not a field replaceable part PARTS LIST Models CDL3924NT and CDL3924PT 27 Burner ODS Pilot ODS Nut Ignitor Cable Pilot Tube Injector Burner Retainer Spring Outlet Tube Service Kit Outlet Tube Gas Regulator Screw 8 18 x 36 Inlet Tube Screw 10 16 x 38 Screw 1 Blunt Tip Phillips Rear Burner Bracket Left Front Burner Bracket Right Front Burner Bracket Screw 10 16 x 2 5 Gas Valve Assembly Thermobulb Clip Painted Base Piezo Bracket Piezo Ignitor Service Kit T Stat Heat Shield Front Log Control Cover Log Rear and Middle Log Crossover Log Warning Plate Lighting Instr
8. 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 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 HI 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 WARNING Damper handle will be hot if heater has been running For more information visit WWV 111347 01B OPERATING HEATER Continued 1 STOP Read the safety information in column 2 page 16 2 Make sure equipment shutoff valve is fully open 3 Turn control knob clockwise to the OFF position 4 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Fol low B in the safety information in column 2 page 16 If you don t smell gas go to the next step 5 Turn control knob counterclockwise to the PILOT position Press in control knob for five 5 seconds see Fig ure 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 Th
9. 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 Less than 8 Heat Resistant Material Figure 5 Heat Resistant Material Slate Marble Tile etc Above Fireplace desatechn com 111347 01B 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 youwillneedahood 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 Follow 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 th
10. or the gas supplier WARNING This appliance is for installa tion only in a solid fuel burning masonry or UL127 factory built fireplace 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 this manual for future reference DESA TABLE OF CONTENTS SAFETY INFORMATION TABLE OF CONTENTS SAFETY INFORMATION ate 2 KOTO TOO D E E E E E alii dee ni dini 3 UNPACKING vuole dink ada ER RA 3 PRODUCT IDENTIFICATION ce eee tees tees tees teeeeneenneeeaees 4 PRODUCT FEATURES iii 4 AIR FOR COMBUSTION AND VENTILATION eee 4 INSTALLATION j
11. 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 See Ventilation Air From Outdoors 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 A 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 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 ANSI 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 g
12. 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 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 DESA AIR FOR COMBUSTION AND VENTILATION Determining Fresh Air Flow for Heater Location Cont Ventilation Air AIR FOR COMBUSTION AND VENTILATION Continued 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 worksheet adding the space of an adjoining room If the extra space
13. 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 i ace Cnc on 111347 01B AIR FOR COMBUSTION AND VENTILATION Continued PROVIDING ADEQUATE VENTILATION The following are excerpts from National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation All spaces in homes fall into one of
14. 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 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 above you must provide additional fresh air See Ventilation 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 p
15. 101055 02 GA6060 101137 02 Not a field replaceable part Por woes i DESCRIPTION ASM Low Profile Base Painted Single Burner 24 ODS Pilot Propane LP Gas ODS Pilot Natural Gas Control Valve Propane LP Gas Control Valve Natural Gas Control Knob Plug 1 8 NPT Hex Head Valve Retainer Nut Control Rod Roll Pin Inlet Tube Outlet Tube Gas Regulator Propane LP Gas Gas Regulator Natural Gas Pilot Tube Injector Left Front Burner Bracket Right Front Burner Bracket Piezo Bracket Control Rod Bracket Manual Valve Bracket Log Support Bracket Piezo Ignitor Palnut Fastener Ignitor Cable Burner Retainer Spring Screw HWH AB 10 16 x 38 Screw Hex Head Tpg 8 18 x 38 O D S Nut Left Front Log Right Front Log Control Cover Log Back Log Left Crossover Log Warning Plate Lighting Instruction Plate Lava Rock Hardware Kit mation visit www desatech com Nd da da da da dA dA AA AAA MA Cu Ca CC Ce COO CO COC dt im nm i ek 4a 4a pp DESA ILLUSTRATED PARTS BREAKDOWN Models CDL3924NT and CDL3924PT ILLUSTRATED PARTS BREAKDOWN THERMOSTATICALLY CONTROLLED MEADOWBROOK OAK LOG MODELS CDL3924NT CDL3924PT l EF NC 4 7 Le DA 37 For more information visit WwwWrde 111347 01B PARTS LIST THERMOSTATICALLY CONTROLLED MEADOWBROOK OAK LOG This list contains replaceable parts used in your heater
16. DESA HEATING PRODUCTS For more information visit wv UNVENTED VENT FREE GAS LOG HEATER OWNER S OPERATION AND INSTALLATION MANUAL yw desatech com Variable Manually Controlled Models Also Design Certified As Vented Decorative Appliances Echo Valley Oak Log Design Meadowbrook Oak Log Design 24 Variable Manually Controlled Models LSL3124N and LSL3124P 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 e Do not try to light any appliance e 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 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 24 Variable Thermostatically Controlled Models CDL3924NT and CDL3924PT 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
17. ING 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 exces 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 compressed air in acan You can use a vacuum cleaner in the blow position If using compressed air in acan please follow the directions on the can If you don t follow directions on the can you could damage
18. ION Make sure external regulator has been installed between propane LP supply and heater See guidelines under Connecting to Gas Supply page 11 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 sys tem 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 For more information visit ww 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 Check all joints of gas supply piping system Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak Correct all leaks at once 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 4 Close equipment shutoff valve see Figure 15 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 Check all joints from gas meter to equipment shutoff valve for natural gas or propane LP supply to equipment shutoff valve for propane LP
19. Minimum Permanent Height ft Flue Opening sq ins 6 to 15 39 sq inches 15 to 30 29 sq inches N P Clamp Damper Clamp Damper Damper mf ae lt m A Damper Masonry Fireplace Manufactured Fireplace Figure 10 Attaching Damper Clamp AYN 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 For thermostat models avoid damage to thermostat bulb Avoid nicks or sharp bends in thermostat bulb wire Keep thermostat bulb in mounting bracket until ready to mount base to floor See Optional Positioning Of Thermostat Sensing Bulb page 23 Installation Items Needed e hardware package provided with heater e approved flexible gas hose and fittings not provided if allowed by local codes e seala
20. OLLED MODELS For Your Safety Read Before Lighting Lighting Instructions INSTALLATION Continued Thermostat Models CDL 1 Place rear log on 2 pins on rear brackets see Figure 21 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 prop erty damage personal injury or loss of life 2 Place front log on grate fingers and over pins of rear log as shown in see Figure 21 3 Place control cover log onto two pins on front log assuring the cover log seats into cutout section of front log see Figure 22 4 Place crossover log on pins on rear and middle log see Figure 22 Rear and n Middle Log i Front Log k We n ee BSG RAV Ra a N QUAI A ay Be NA A TS C D 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 par
21. 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 AN HEATING PRODUCTS 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com KI III 111347 01 Rev B NOT A UPC 07 03 For more information visit www tech com
22. 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 28 e turn heater off see To Turn Off Gas to Appliance page 16 Manually Controlled Models or page 17 Thermostatically Controlled Models e see Troubleshooting pages 20 through 22 Note The pilot flame on natural gas units will have a slight curve but flame should be blue and have no yellow or orange color Pilot Burner Pilot Burner Thermocouple Thermocouple Figure 27 Correct Pilot Flame Pattern Your pilot may vary from pilots shown Figure 28 Incorrect 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 CLEAN
23. 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 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 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 e in a bedroom or bathroom unless installed as a vented appliance see page 10 e in a recreational vehicle where curtains 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 111347 01B mation visit www desatech com A CAUTION This heater creates warm air currents
24. 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 ww 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 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 minimum 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 Between 8 and 12 Install fireplace hood accessory GA6050 GA6052 or GA6053 see Accessories page 28 Noncombustible material
25. al 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 A 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 For woes bie 111347 01B rmation visit www desatech com the optional CSA design certified equipment shutoff valve from your dealer See Accessories page 28 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 reduce incoming gas pressure heater regulator damage could occur Install external regulat
26. ams 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 Por 103 information visit 111347 01B www desatech com It is very important to install the logs exactly as instructed Do not modify logs Only use logs supplied with heater Variable Manually Controlled Models LSL 1 Place rear log onto rear brackets making sure brackets fit into recess on bottom of log see Figure 18 2 Place left front log on grate fingers as shown in Figure 19 Place right front log on grate fingers and on left front log see Figure 19 3 Slide control cover log into position between two front logs as suring the cover log seats into cutout section see Figure 20 Right Front Log Left Front Figure 18 Rear Log Placement Variable Manually Controlled Models Figure 19 Left and Right Front Log Placement Variable Manually Controlled Models Left Front Log Cover Log Figure 20 Control Cover Log Placement Variable Manually Controlled Models DESA INSTALLATION Installing Logs Cont OPERATING HEATER MANUALLY CONTR
27. and Main tenance pages 18 and 19 or replace burner orifice White powderresidue forming within burner box or on adjacent walls or furniture 1 When heated vapors from furniture pol ish wax carpet cleaners etc may turn into white powder residue 1 Turn heater off when using furniture polish wax carpet cleaners or similar 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 Note After removing all causes of residue deposits completely clean fireplace and ap pliance off residue before reusing appliance For ora imformation visit www desatech com 111347 01B 1 Improper log placement 2 Drafts or other air currents affecting flame pattern 3 Air holes at burner inlet blocked 4 Burner flame holes blocked 1 Properly locate logs see Installing Logs pages 13 and 14 2 Eliminate source of drafts around heater 3 Clean out air holes at burner inlet Peri odically repeat as needed 4 Remove blockage DESA TROUBLESHOOTING TROUBLESHOOTING Continued building A 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 Immediately call your gas supplier from aneighbor s phone Follow the gas supplier s instructions
28. arranty 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 ANY 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
29. b else where an adhesive backed mounting clip is available Tools needed 1 4 hex driver or socket 1 Remove logs Locate the gas valve assembly and thermostat sensing bulb see Figure 31 2 With 1 4 hex driver or socket loosen the thermostat screw Carefully slide the thermostat sensing bulb out of the retaining clamp see Figure 33 Note Do not remove the screw Make sure you tighten the screw after removing the thermostat sensing bulb IMPORTANT Do not force or bend the thermostat sensing bulb or capillary 3 The thermostat sensing bulb may be located to the lower right front side of fireplace Determine location of sensing bulb but do not mount sensing bulb until step 5 If you have a masonry fireplace see Figure 34 for location If you have a factory built metal fireplace see Figure 35 for location If your fire place has glass doors position sensing bulb directly behind door gap on right bottom side see Figure 36 4 The mounting clip must be a minimum of 3 from bottom of fireplace to prevent crimping of capillary Once you have de cided on a location clean the area thoroughly Remove the pa per 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 37 Slide the thermostat sensing bulb into the clip IMPORTANT Do not crimp capillary Gas Valve Assemb
30. ce pages 18 and 19 or replace burner orifice s Delayed ignition of one or both burners 1 Manifold pressure is too low 2 Burner orifice s clogged 1 Contact local natural or propane LP gas company 2 Clean burner s see Cleaning and Main tenance pages 18 and 19 or replace burner orifice s Burner backfiring during combustion 1 Burner orifice is clogged or damaged 2 Damaged burner 3 Gas regulator defective 1 Clean burner see Cleaning and Main tenance pages 18 and 19 or replace burner orifice 2 Replace damaged burner 3 Replace gas regulator Slight smoke or odor during initial opera tion 1 Not enough air 2 Gas regulator defective 3 Residues from manufacturing processes and logs curing 1 Check burner for dirt and debris If found clean burner see Cleaning and Maintenance pages 18 and 19 2 Replace gas control 3 Problem will stop after a few hours of operation Heater produces a whistling noise when burners are lit 1 Turning control knob to HI position when burners are cold 2 Airin gas line 3 Air passageways on heater blocked 4 Dirty or partially clogged burner orifice s 1 Turn control knob to LO position and let warm up for a minute 2 Operate burners until air is removed from line Have gas line checked by lo cal natural or propane LP gas company 3 Observe minimum installation clear ances see pages 8 through 10 4 Clean burners see Cleaning
31. ce any part of the control system and any gas control which has been under water Do not operate heater if any log is broken Do not operate heater if a log is chipped dime sized or larger FOr woes Jie 111347 01B Imation visit www desatech com SAFETY INFORMATION LOCAL CODES UNPACKING 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 UNPACKING 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
32. ct 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 replacement part number For more information visit www ACCC 111347 01B 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 VTGH38NR etc Date Purchased Note Keep receipt for warranty verification Serial Number 2 7 or9 digit number located on product or identification tag First Name Last Name Address City State Zip Country 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 O Garage O 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
33. d maintenance video is available by calling 1 866 672 6040 You may also email your request to productsupport desaint com 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 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 Conta
34. e 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 Heater produces a clicking ticking noise just after burners are lit or shut off 1 Metal expanding while heating or con tracting while cooling 1 This is common with most heaters If noise is excessive contact qualified ser vice person Heater produces unwanted odors W 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 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 pages 12 and 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 pages 18 and 19 Gas
35. e following operate the logs only with the flue damper open raise the mantel to an acceptable height e remove the mantel 10 a Mantel Shelf I 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 24 30 36 Models 8 8 14 17 20 18 Model y Y Top of Fireplace N ee Opening Minimum Non Distances to Combustible Underside of Material Height Mantel Figure 6 Minimum Mantel Clearances Without Using Hood Por woes ii 111347 01B 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 GAGOSO GA6052 nn to or GA6053 Matel Figure 7 Minimum Mantel Clearances When Using Hood FLOOR CLEARANCES A If installing appliance on 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 Minimu
36. ed 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 e 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 chimney 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 If Using Mantel If not using a mantel follow the information on this page You must have noncombustible material s
37. er 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 Formore information visit www desatech com 111347 01B AIR FOR COMBUSTION AND VENTILATION Providing Adequate Ventilation Determining Fresh Air Flow for Heater Location 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 space 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
38. 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 PRODUCT FEATURES AIR FOR COMBUSTION AND VENTILATION PRODUCT IDENTIFICATION Control Cover Log Control Knob Piezo Ignitor behind log Echo Valley Oak Logs with Manual Control Piezo Ignitor behind log Control Cover Log Control Knob Meadowbrook Oak Logs with Thermostat Control Figure 1 Product Identification For more information visit www 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 pilot is a required feature for vent free room heaters The ODS pilot shuts off the heater if there is not enough fresh air PIEZO IGNITION SYSTEM This heater has a piezo ignitor This
39. hing ignition Heater will remain hot for a time after shutdown Allow surface to cool before touching You must operate this heater with a fireplace screen in place Make sure fireplace screen is closed before running 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 111347 01B SAFETY INFORMATION Continued 1 10 11 12 13 14 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 installed 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
40. his keeps them from going into heater controls If sediment trap is not installed or is installed wrong heater may not run properly pee External Regulator Propane LP Supply Tank mutui Vent Pointing Down Figure 13 External Regulator With Vent Pointing Down DESA DO o e OO INSTALLATION Connecting to Gas Supply Cont Checking Gas Connections INSTALLATION Continued A CAUTION Avoid damage to regulator Hold gas regulator with wrench when connecting it to gas piping and or fittings PROPANE LP CSA Design Certified Equipment From External Shutoff Valve With 1 8 NPT Tap Regulator 11 W C Approved Flexible to 14 W C Gas Hose if allowed Pressure by local codes NATURAL From Gas J Meter t 3 Minimum IC 5 Wic 10 5 W C Tee Cap Pipe ressure Joint Nipple Gas Regulator Sediment Trap Figure 14 Gas Connection Purchase the optional CSA design certified equipment shutoff valve from your dealer See Accessories page 28 Minimum inlet pressure for purpose of input adjustment 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 A WARNING Never use an open flame to check for a leak Apply a noncorrosive leak detection fluid to all joints Bubbles forming show a leak Correct all leaks at once A CAUT
41. 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 pages 18 and 19 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 20 through 22 Do not run heater e where flammable liquids or vapors 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 repla
42. ill put all the heat into the room However there may be times you will desire the full flames of the HI 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 STOP Read the safety information on page 14 Remove control cover log see Figure 23 Make sure equipment shutoff valve is fully open Press in and turn control knob clockwise x to the OFF position 5 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information page 14 If you don t smell gas go to the next step Pelli ia 6 Slightly depress and turn control knob counterclockwise XY tothe PILOT position Keep control knob pressed in for five 5 seconds see Figure 23 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 7 With control knob pressed in press and release ignitor but ton This will light pilot The pilot is attached to the burner If needed keep pressing ignitor button until pilot lights Note If pilot does not light contact a qualified service per son or gas supplier for repairs Until repairs are made light pil
43. is will al low air to bleed from the gas system e If control knob does not pop out when released contact a qualified service person or gas supplier for repairs 6 With control knob pressed in press and release ignitor but ton This will light pilot The pilot is attached to 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 7 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Note If pilot goes out repeat steps 3 through 7 This heater has a safety interlock system Wait one 1 minute for sys tem to reset before lighting pilot again 8 Turn control knob counterclockwise to desired heating level The burners should light Set control knob to any heat level between HI and LO A CAUTION Do not try to adjust heating levels by using the equipment shutoff valve Ignitor Button Control Knob Figure 25 Control Knob and Ignitor Button Location POF Mosa Tite 111347 01B mation visit www desatech com OPERATING HEATER THERMOSTAT MODELS Lighting Instructions Cont To Turn Off Gas To Appliance Thermostat Control Operation Manual Lighting Procedure 17 Ignitor Electrode Thermocouple Pilot Burner
44. liance 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 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 e 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 department C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by 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 D Do notuse 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 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 sure there are no obstructions across opening of fireplace Youmust operate this heater witha fireplace screen in place Make sure fireplace screen is closed
45. ly Thermostat Sensing Bulb Figure 31 Location of Gas Valve Assembly and Thermostat Sensing Bulb Por sora ri 111347 01B Q Figure 32 Adhesive backed Mounting Clip Capillary Thermostat Figure 33 Removing Thermostat Sensing Bulb Thermostat Sensing Bulb Adhesive Backed Mounting Clip x Figure 34 Sensing Bulb Retaining Thermostat Clamp Screw Thermostat A V jg ok Na Adhesive E Backed N Mounting RY Clip 2 4 SD Locating Thermostat Sensing Bulb on Masonry Fireplace Thermostat Sensing si ulb Adhesive backed x Mounting r 7 Clip ZA Figure 36 Figure 35 Locating Thermostat Sensing Bulb on Factory built Metal Fireplace Capillary Glass Doors Installing Figure 37 Positioning the Thermostat Sensing Bulb Adhesive backed Mounting Clip Do Not Crimp Capillary Thermostat Sensing Bulb Thermostat Sensing Bulb in the Vertical Position with the Capillary at the Bottom behind Glass Doors ormation visit www desatech com DESA ILLUSTRATED PARTS BREAKDOWN Models LSL3124N and LSL3124P ILLUSTRATED PARTS BREAKDOWN VARIABLE MANUALLY CONTROLLED ECHO VALLEY OAK LOG MODELS LSL3124N LSL3124P 3 ODS Pilot Natural Gas
46. m 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 If your heater is a manually controlled model 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 28 This will insure vented operation see Figure 10 The damper clamp will keep 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
47. nt 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 regu lator of heater see Figure 11 IMPORTANT Hold gas regula tor with wrench when connecting flexible gas hose Locate two masonry screws in hardware package Place heater base in fireplace Place logs in their proper position on heater base see Installing Logs pages 13 and 14 Flexible Gas Hose if Fitting allowed by local codes For more information visit www d 111347 01B INSTALLATION Installing Heater Base Assembly Cont Connecting To Gas Supply 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 Remove heater base from fireplace Drill holes at marked locations using 3 16 drill bit 10 Attach base assembly to fireplace floor using two masonry screws in hardware package Masonry Screw Holes in Base Figure 12 Attaching Heater to Fireplace Floor CONNECTING TO GAS SUPPLY A WARNING This appliance requires a 1 2 NPT Nation
48. 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 pages 12 and 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 pages 12 and 13 Logs set cycles to pilot but room tempera ture drops to a lower than ideal level before log set comes back on For more information visit www d Thermostat sensing bulb needs to be repositioned Reposition thermostat sensing bulb see instructions for Optional Positioning of Thermostat Sensing Bulb page 23 111347 01B OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB For Masonry and Factory Built Metal Fireplace If your log set cycles to pilot but the room 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 For positioning the thermostat sensing bul
49. or with the vent point ing down as shown in Figure 13 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 14 page 12 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 Figures 14 page 13 Locate sediment trap where it is within reach for cleaning Install in piping system between fuel supply and heater Locate sediment trap where trapped matter is not likely to freeze A sediment trap traps moisture and contaminants T
50. ot with match To light pilot with match see Manual Lighting Procedure page 16 8 Keep control knob pressed in for 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 3 through 7 9 Slightly depress and turn control knob counterclockwise XY to the HI position The burner should light Set control knob to any heat level between HI and LO 10 Replace control cover log see Figure 23 Por OFS Uio 111347 01B rmation visit www desatech com Lighting Instructions Cont Variable Control Operation Control Cover Log Control Knob Ignitor Button Figure 23 Control Knob and Ignitor Button Location Actual Logs May Vary Ignitor Electrode Thermocouple Note Appearance of pilot assembly may vary by model Figure 24 Pilot VARIABLE CONTROL OPERATION The variable control valve can be set to any heat setting and flame height desired by simply turning the control knob until that setting is attained Even the lowest setting provides realis tic dancing yellow flames Selecting higher settings produces greater heat output This results in increased heating comfort A WARNING Do not operate heater between PILOT and HI positions A CAUTION Do not try to adjust heating levels by using the equipment shutoff
51. perly 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 for reference Itis your guide to safe and proper operation of this heater A WARNING Anychangetothis heater or its controls can be dangerous A WARNING Do not use a blower insert heat exchanger insert or other accessory not approved for use with this heater 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 burner patterns can cause sooting Due to high temperatures the appliance should be located out of traffic and away from furniture and draperies 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 clot
52. rills 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 Ventilation Grills Into Adjoining Room Option 1 Or Remove Door into Adjoining Room Option O 3 Ventilation Grills Into Adjoining Room Option 2 SS i T Figure 2 Ventilation Air from Inside Building N Ventilated Attic ouel p To Attic E To Crawl Inlet Air I P Ventilated Inlet Air Crawl Space Figure 3 Ventilation Air from Outdoors For more information visit WW NECO 111347 01B 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 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
53. s cec5 ccssiecseccieedi veinist iagi 7 OPERATING HEATER inea lata Lala la ladieralalgi 14 INSPECTING BURNERS eee cece cence terete ete e te dS 18 CLEANING AND MAINTENANCE eee ee eect teeeeeees 18 SAFETY INFORMATION A WARNINGS SPECIFICATIONS a3 centration nal nin dai nails 19 TROUBLESHOOTING variis iaia 20 OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB 23 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST 24 ACCESSORIES i sass sicssccsctesccvstevasiiscseaaeeeatisededheavegnssedectsbuneusd e 28 SERVICE HINT Sis inizia a Bima ERILA RIE 28 TECHNICAL SERVICE 28 REPLACEMENT PARTS ii 28 OWNER S REGISTRATION FORM eee eeee eee teeteeeteeteees 29 WARRANTY INFORMATION 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 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 pro
54. see Figures 16 and 17 page 13 Apply non corrosive leak detection fluid to all joints Bubbles forming show a leak Correct all leaks at once Pressure Testing Heater Gas Connections 1 2 Open equipment shutoff valve see Figure 15 Open main gas valve located on or near gas meter for natural gas or open propane LP supply tank valve Make sure control knob of heater is in the OFF position Check all joints from equipment shutoff valve to control valve see Figures 16 and 17 page 13 Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak Correct all leaks at once Light heater see Operating Heater pages 14 through 17 de pending on your model Check all other internal joints for leaks Turn off heater see To Turn Off Gas to Appliance page 16 or 17 depending on your model oO Equipment Ren Shutoff Valve Closed Figure 15 Equipment Shutoff Valve desatechicom 111347 01B INSTALLATION Checking Gas Connections Cont Installing Logs INSTALLATION Continued Equipment Shutoff Valve Gas Control Valve Location Propane LP Supply Tank Figure 16 Checking Gas Joints Propane LP only Equipment Shutoff Valve Gas Control Valve Location Gas Meter Figure 17 Checking Gas Joints Natural Gas Only INSTALLING LOGS A WARNING Failure to position the parts in accor dance with these diagr
55. 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 29 and 30 page 19 Blow air through the ports slots and holes in the burner 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 pages 13 and 14 For more information visit www ACCC 111347 01B CLEANING AND MAINTENANCE Cleaning Burner Injector Holder and Pilot Air Inlet Hole Cont Logs SPECIFICATIONS CLEANING AND MAINTENANCE Continued 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 30 With the unit off lightly blow air through the airinlet hole You may blow through a drinking straw if compressed air is not available Injector Holder May Be Brass or Aluminum Burner Tube Depending on Model Primary Air Inlet Holes HX
56. the population of your area O Under 10 000 O 10 000 to 25 000 O 25 000 to 50 000 O 50 000 to 100 000 O 100 000 to 250 000 O Over 250 000 5 Whatis your primary source of heat O Propane LP Gas O Fuel Oil O Wood O Natural Gas O Electric O Other 6 How was the product installed O 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 O 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 O 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 O Store Display O Other 12 Level of Education of Purchaser O Some High School O Completed High School O Completed College Completed Graduate School 13 Age of Purchaser O Under 20 O 20 29 0 30 39 0040 49 0850 59 O 60 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
57. tment 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 VERA Figure 22 Front Log Placement Thermostat Models srRucmIONS IE A WARNING INSTRUCTIONS 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 sure there are no obstructions across opening of fireplace You must 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 For more information visit www r 4 i i GeSsatechn com i 111347 01B OPERATING HEATER MANUALLY CONTROLLED MODELS OPERATING HEATER Continued Note Home owners generally prefer to operate their heater with the chimney damper closed This w
58. tor 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 pages 18 and 19 or re A Low gas pressure place ODS pilot assembly 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 more information visit www d Ad OChn Corni 111347 01B 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 Main tenan
59. uctions Plate Caution Decal Hardware Kit Lava Rock Foramore information visit www desatech com GENT N a a 38 Be oe on on on on 4 psp ae oa pp PARTS AVAILABLE NOT SHOWN DESA ACCESSORIES SERVICE HINTS TECHNICAL SERVICE REPLACEMENT PARTS 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 Equipment shutoff valve with 1 8 NPT tap Fits 1 2 NPT pipe 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 DAMPER CLAMP GA6080 Not Shown Forall 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 lb 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 an
60. valve DESA OPERATING HEATER MANUALLY CONTROLLED MODELS To Turn Off Gas to Appliance Manual Lighting Procedure OPERATING HEATER THERMOSTAT MODELS For Your Safety Read Before Lighting Lighting Instructions OPERATING HEATER Continued TO TURN OFF GAS Shutting Off Heater 1 Remove control cover log see Figure 23 page 15 2 Press in and turn control knob clockwise x to the HI position 3 Turn the control knob clockwise x to the PILOT position 4 Press in control knob and turn clockwise x to the OFF position 5 Replace control cover log see Figure 23 page 15 Shutting Off Burners Only pilot stays lit 1 Remove control cover log see Figure 23 page 15 2 Turn the control knob clockwise x to the HI position 3 Press in and turn control knob clockwise to the PILOT position 4 Replace control cover log see Figure 23 page 15 MANUAL LIGHTING 1 Follow steps 1 through 6 under Lighting Instructions page 15 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 and 10 page 15 column 2 THERMOSTAT MODELS i FOR YOUR SAFETY READ a BEFORE LIGHTING WARNING If you do not follow these instructions exactly a fire or explosion may result causing prop erty damage personal injury or loss of life A This app

Desa LSL3124N User's Manual

Contents

Download Pdf Manuals

Related Search

Related Contents