Desa NATURAL GAS LOG HEATER User's Manual
Contents
1.2. 4 Manual shutoff valve not fully open 5 Pilot flame not touching thermocouple which allows thermocouple to cool causing pilot flame to go out This problem could be caused by one or both of the following A Low gas pressure B Dirty or partially clogged ODS pilot 6 Thermocouple connec tion loose at control valve 7 Thermocouple damaged 8 Control valve damaged 1 Press in control knob fully 2 After ODS pilot lights keep control knob pressed in 30 seconds 3 Wait one minute for safety interlock system to reset Repeat ignition operation 4 Fully open manual shut off valve 5 A Contact local natural gas company B Clean ODS pilot see Cleaning and Mainte nance page 25 or replace ODS pilot assembly 6 Hand tighten until snug then tighten 1 4 turn more 7 Replace thermocouple 8 Replace control valve 101308 TROUBLE SHOOTING Continued OBSERVED POSSIBLE PROBLEM CAUSE REMEDY One or both burners 1 Inlet gas pressure is 1 Contact local natural gas do not light after too low company ODS pilot is lit 2 Burner orifice s 2 Clean burner s see clogged Cleaning and Mainte nance page 25 or replace burner orifice s 3 Mislocated crossover 3 Contact qualified service tube person 4 Burner orifice s 4 Replace burner orifice s diameter is too small Delayed ignition of 1 Manifold pressure is 1 Contact local natural gas one or both burner
3. SPECIFICATIONS SERVICE HINTS You may have further questions about installation operation or troubleshooting If so contact DESA International s Technical Service Department at 1 800 DESA LOG 1 800 337 2564 18 Thermostat 24 Thermostat 30 Thermostat Controlled Controlled Controlled Btu Variable 16 000 26 000 20 000 33 000 21 500 36 000 Type Gas Natural Gas Only Natural Gas Only Natural Gas Only Ignition Piezo Piezo Piezo Manifold Pressure 3 4 W C 3 4 W C 3 4 W C Inlet Gas Pressure in of water Maximum 10 5 10 5 10 5 Minimum 9 5 5 For purpose of input adjustment Shipping Weight 36 Ibs 38 lbs 40 Ibs 18 Manually 24 Manually 30 Manually Controlled Controlled Controlled Btu Variable 8 000 14 000 10 000 17 000 11 000 18 000 26 000 33 000 36 000 Type Gas Natural Gas Only Natural Gas Only Natural Gas Only Ignition Piezo Piezo Piezo Manifold Pressure 3 4 W C 3 4 W C 3 4 W C Inlet Gas Pressure in of water Maximum 10 5 10 5 10 5 Minimum 5 5 5 For purpose of input adjustment Shipping Weight 36 lbs 38 Ibs 40 Ibs 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 When gas quality is bad e pilot will not stay lit e burners will produce flames and soot e heater will backfire when lit You may feel your gas pressure is too low or gas quality is bad If so contact your local natural g
4. DOWN Thermostat Controlled Models 101308 PARTS LIST Thermostat Controlled Models KEY NO VL18NT CF18NT 101337 01 101336 01 101334 01 101333 02 M11084 26 100701 02 098594 01 098249 01 101006 01 101330 01 10 1 101008 01 10 2 101007 01 100999 04 101331 01 098271 06 097159 02 098867 07 M11084 38 100996 01 098324 02 099974 04 100000 01 101053 01 099211 01 098544 01 101329 01 100994 01 101004 07 101004 11 101012 01 099387 09 102255 01 102764 01 100563 01 101054 01 100565 01 100639 01 101137 01 101416 05 GA6060 This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 32 of this manual PART NUMBER FOR VL24NT CF24NT 101337 02 101336 02 101335 01 101332 01 101333 01 M11084 26 100701 02 098594 01 098593 01 098249 01 101006 01 101330 02 101008 01 101007 01 100999 05 101331 02 098271 06 097159 02 098867 07 M11084 38 100996 02 098324 02 099974 04 100000 01 101053 01 099211 01 098544 01 101329 03 100994 01 101004 04 101004 08 101012 01 099387 09 102255 01 102764 01 100563 01 101054 01 100565 01 100639 01 101137 01 101416 05 GA6060 VL30NT CF30NT 101337 03 101336 03 101335 02 101332 02 101333 01 M11084 26 100701 02 098594 01 098593 01 098249 01 101006 01 101330 03 101008 01 101007 01 100999 06 101331 03 098271 06 097159 02 09
5. B If combustible materials are less than 14 to the fireplace you must install appliance at least 5 above the combustible flooring see Figure 9 Hearth Combustible Material T Mn d Figure 9 Minimum Fireplace Clearances Above Combustible Flooring 101308 INSTALLING 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 non combustible 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 requirements for vent free operation 2 State or local codes do not permit vent free operation 3 You prefer vented operation If reasons number 1 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 33 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
6. Set control knob to either HIGH MEDIUM or LOW To turn control knob from LOW to a higher setting press in the control knob and turn counterclockwise y N On LOW and MEDIUM positions only front burner operates On HIGH position front and rear burner operates A WARNING HIGH MEDIUM and LOW are locked positions You must press in control knob before turning it from these positions Do not operate heater between locked positions or sooting could occur A CAUTION Do not try to adjust heating levels by using the manual shutoff valve MA STOTURNOFFGASTOAPPLIANCE B Shutting Oft Heater 1 2 Shutting Off Burners Only pilot stays lit 1 D MANUAL LIGHTING PROCEDURE B 1 2 3 Press in and turn control knob clockwise N to the PILOT position Press in control knob and turn clockwise to the OFF position Press in and turn control knob clockwise lt N to the PILOT position Follow steps 1 through 5 under Lighting Instructions page 22 Depress control knob and light pilot with match Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Now follow step 8 above 101308 INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often PILOT FLAME PATTERN Figure 24 shows a correct pilot flame pattern Figure 25 shows an incorrect pilot flame pattern The incorrect pilot flame is not touching the t
7. 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 Damper Clamp Damper Damper Masonry Fireplace Manufactured Fireplace Figure 10 Attaching Damper Clamp 101308 INSTALLING Continued INSTALLING HEATER BASE ASSEMBLY A WARNING You must secure this heater to fireplace floor If not heater will move when you adjust controls Moving heater may cause a gas leak A WARNING If installing in a sunken fireplace special 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 soot ing Raise fireplace floor with non combustible 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 Installation Items Needed e hardware package provided with heater e approved flexible gas hose not provided if allowed by local codes e sealant resistant to LP gas not provided e ele
8. statement at top of see Checking Gas Con page nections page 17 Heater shuts off in use 1 Not enough fresh air is 1 Open window and or door ODS operates available for ventilation 2 Low line pressure 2 Contact local natural gas company 3 ODS pilot is partially 3 Clean ODS pilot see clogged Cleaning and Mainte nance page 25 Gas odor even when 1 Gas leak See Warning 1 Locate and correct all leaks control knob is in OFF statement at top of see Checking Gas Con position page nections page 17 2 Control valve defective 2 Replace control valve Gas odor during 1 Foreign matter between 1 Take apart gas tubing and combustion control valve and burner remove foreign matter 2 Gas leak See Warning 2 Locate and correct all leaks statement at top of see Checking Gas Con page nections page 17 Log set cycles to pilot 1 Thermostat sensing bulb 1 Reposition thermostat but room temperature drops to a lower than ideal level before log set comes back on needs to be repositioned sensing bulb see Jnstruc tions for Optional Position ing of Thermostat Sensing Bulb page 29 101308 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 reposi tion the thermostat sensing bulb The thermostat sensing bulb is loca
9. Air for Combus noticed on windows tion ventilation air tion and Ventilation requirements page 5 Continued 101308 TROUBLE SHOOTING Continued A WARNING If you smell gas e Shut off gas supply e 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 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 POSSIBLE PROBLEM CAUSE REMEDY Heater produces a 1 Metal expanding while 1 This is common with clicking ticking noise just after burners are lit or shut off heating or contracting while cooling most heaters If noise is excessive contact qualified service person Heater produces 1 unwanted odors Heater burning vapors from paint hair spray glues cleaners chemi cals new carpet etc See IMPORTANT statement above Open window and ventilate room Stop using odor causing products while heater is running 2 Gas leak See Warning 2 Locate and correct all leaks
10. Figure 6 Mantel Shelf Underside of Mantel Shelf All minimum distances are in inches Minimum Non A Combustible Log Set Material 42 20 241 02 1271 2 30 24 30 Models 8 14 1639 4 1181 2 20 18 Model soa Top of Fireplace QS Aai Opening Minimum Non Distances to Combustible Underside of Material Height Mantel Figure 6 Minimum Mantel Clearances Without Using Hood If above minimum clearances are not met you must have a hood Follow minimum clearances shown in Figure 7 when using hood Continued WE 101308 INSTALLING Continued Mantel Shelf Underside of Mantel Shelf All minimum distances are in inches Minimum Non Combustible Material Log Sets 8 12 15 18 20 lt 18 24 Min amp 30 Models igi ee Top of Fireplace WY Opening Distances to GA6050 GA6052 Underside of Mantel Figure 7 Minimum Mantel Clearances When Using Hood If your installation does not meet the above minimum clearances you must e operate the logs only with the flue damper open OR e raise the mantel to an acceptable height OR e remove the mantel Floor Clearances A If installing appliance on the floor level you must maintain the minimum distance of 14 to combustibles see Figure 8 Combustible 14 Material Non Combustible Material Figure 8 Minimum Fireplace Clearances If Installed at Floor Level
11. Minimum Non Combustible Material Clearances If Using Mantel You must have non combustible material s above the fireplace opening Non combustible materials such as slate marble tile etc must be at least 1 2 inch thick With sheet metal you must have non combustible material behind it Non combustible material must extend at least 8 inches up for all models If non combustible material is less than 12 you must install the fireplace hood accessory 24 and 30 models only Even if non combustible material is more than 12 you may need the hood accessory to deflect heat away from your mantel shelf See chart below and Figures 6 and 7 for minimum clearances IMPORTANT If you cannot meet these minimum clearances you must operate heater with chimney flue damper open Go to Installing Damper Clamp Accessory for Vented Operation page 13 Non Combustible Requirements for Material Distance A Safe Installation 12 or more Non combustible material OK Between 8 and 12 24 or 30 Models Install fireplace hood acessory GA6050 or GA6052 see Accessories page 33 18 Model Non combustible material OK Less than 8 Non combustible 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 Mantel Clearances If you meet minimum clearance between mantel shelf and top of fireplace opening a hood is not required see
12. Operating Heater pages 20 through 23 Check all other internal joints for leaks 7 Turn off heater see To Turn Off Gas to Appliance page 21 thermostat controlled models or page 23 manually controlled models gi Shutoff Valve Closed Figure 14 Manual Shutoff Valve ae Thermostat Gas Valve or uto Control Valve Location Valve Gas Meter Figure 15 Checking Gas Joints 101308 INSTALLING Continued INSTALLING LOGS A WARNING Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury Each log is marked with a number These numbers will help you identify the log when installing It is very important to install these logs exactly as instructed Do not modify logs Only use logs supplied with heater 1 Slide rear log 1 into place behind rear burner see Figure 16 2 Slide front log 2 into place behind front burner Make sure tabs at bottom of log are behind front burner see Figure 17 3 Place crossover log 3 into place see Figure 18 Be sure to place back of crossover log into notch on left side of rear log The indentation under front right fork of crossover log must rest on rectangular knob of front log 4 Place left front branch 4 and right front branch 5 24 and 30 models or front branch 4 18 model into p
13. for cleaning Locate sediment trap where trapped matter is not 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 101308 INSTALLING Continued CAUTION Avoid damage to regulator Hold gas regulator with wrench when connecting it to gas piping and or fittings A G A Design Certified Manual Shutoff Valve From With 1 8 NPT Tap Gas Meter Approved Flexible 5 W C to Gas Hose if allowed 10 5 W C by local codes Pressure Gas N Regulator Tee Joint Pipe X MENE Nipple 3 Minimum Cap Sediment Trap Figure 13 Gas Connection Purchase the optional A G A design certified manual shutoff valve from your dealer See Accessories page 33 Minimum inlet pressure for purpose of input adjustment CHECKING GAS CONNECTIONS WARNING Test all gas piping and connections 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 mixture of liquid soap and water to all joints Bubbles forming show a leak Correct all leaks at once Pressure Testing gas Supply Piping system Test Pressures In Excess Of 1 2 PSIG 1 Disconnect heater and its individual manual shutoff valve from gas supply piping system Pressures in excess of 1 2 ps
14. 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 is exerpts from National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 5 3 Air for Combustion and Ventilation All spaces in homes fall into one of the three following ventilation classifications 1 Unusually Tight Contruction 2 Unconfined Space 3 Confined Space The information on pages 5 through 7 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 continu ous water vapor retarder with a rating of one perm or less with open ings gasketed or sealed and b weather stripping has been added on openable windows 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 addi tional fresh air See Ventilation Air From Outdoo
15. 3 05 098276 01 101010 01 099387 08 101004 04 101004 08 101009 01 PARTS AV 100563 01 101055 01 100565 01 100639 01 101137 01 101416 05 GA6060 101337 03 Rear Log 1 101336 03 Front Log 2 101335 02 Crossover Log 3 4 Front Branch 4 101332 02 Left Front Branch 4 101333 01 Right Front Branch 5 M11084 26 Screw 100701 02 O D S Pilot 098594 01 Ignitor 098593 01 Thermocouple 098249 01 Nut 101006 01 Pilot Bracket 101330 03 Front Burner Assembly 101008 01 Gasket Crossover Burner 101007 01 Crossover Burner 100999 06 Rear Burner Assembly 101331 03 Base Assembly with decals 098271 06 Ignitor Cable 097159 02 Piezo lgnitor 098867 09 Gas Regulator M11084 38 Screw 101011 02 Inlet Tube 098324 02 Control Knob 098462 02 Control Rod Assembly 098325 01 Roll Pin 098508 01 Valve Retainer Nut 101005 01 Valve Bracket 098932 07 Control Valve 101003 06 Pressure Fitting 098276 01 1 8 Plug 101010 01 Rear Burner Tube 099387 08 Pilot Tube 101004 05 Rear Burner Injector 101004 08 Front Burner Injector 101009 01 Front Burner Tube AILABLE NOT SHOWN 100563 01 Warning Plate 101055 01 Lighting Instructions Plate 100565 01 Chain 100639 01 Caution Decal 101137 01 Hardware Kit 101416 05 Information Video GA6060 Lava Rock VL30N CF30N DESCRIPTION QTY 1 1 1 4 4 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 101308 ILLUSTRATED PARTS BREAK
16. 8867 07 M11084 38 100996 03 098324 02 099974 04 100000 01 101053 01 099211 01 098544 01 101329 03 100994 01 101004 05 101004 08 101012 01 099387 09 102255 01 102764 01 100563 01 101054 01 100565 01 100639 01 101137 01 101416 05 GA6060 QTY Rear Log 1 Front Log 2 Crossover Log 3 Front Branch 18 4 Left Front Branch 4 Right Front Branch 5 Screw O D S Pilot Ignitor Thermocouple Nut Pilot Bracket Front Burner Assembly Gasket Crossover Burner Crossover Burner Rear Burner Assembly Base Assembly with decals Ignitor Cable Piezo Ignitor Gas Regulator Screw Pipe Nipple Control Knob Control Rod Cotter Pin Adapter Screw Thermostat Clamp Thermostat Gas Valve Assy Thermovalve Bracket Rear Burner Injector Front Burner Injector Thermostat Burner Tube Pilot Tube Strap Heat Shield PARTS AVAILABLE NOT SHOWN Warning Plate Lighting Instructions Plate Chain Caution Decal Hardware Kit Information Video Lava Rock a es Ce CC CC Cs Ce Cris a C COE ns Cs CE CE CR Cs CE CE CES CN QO Cs CE CORY a Cos CC 101308 NOTES 101308 NOTES 101308 WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial N
17. DESA INTERNATIONAL UNVENTED VENT FREE NATURAL GAS LOG HEATER Manually Control Models Also Designed Certified as Vented Decorative Appliance This appliance may be installed in an aftermarket manufactured mobile home where not prohibited by state or local codes Aftermarket Completion of sale not for purpose of resale from the manufacturer OWNER S OPERATION AND INSTALLATION MANUAL 18 24 and 30 Log Sets Thermostat and Manually Controlled Models WARNING If the information in this WARNING Improper installation adjust manual is not followed exactly a fire or ment alteration service or maintenance explosion may result causing property can cause injury or property damage damage personal injury or loss of life Refer to this manual for correct installa tion and operational procedures For assistance or additional information con sult a qualified installer service agency or the gas supplier WARNING This gas log set is for instal lation in a masonry solid fuel burning e Do not touch any electrical switch fireplace a U L listed manufactured do not use any phone in your build Solid fuel burning fireplace or an AGA ing design certified vent free firebox listed e Immediately call your gas supplier for use with these gas log models from a neighbor s phone Follow the gas supplier s instructions WARNING This is an unvented gas If you cannot reach your gas sup f
18. Items Needed Before installing heater make sure you have the items listed below e piping check local codes e sediment trap e sealant resistant to LP gas e tee joint e manual shutoff valve e pipe wrench e test gauge connection An A G A design certified manual shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Purchase the optional A G A design certified manual shutoff valve from your dealer See Accessories page 33 A WARNING Never connect heater to private non utility gas wells This gas is commonly known as well head gas 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 diameter or greater to allow proper gas volume to heater If pipe is too small undue loss of pressure will occur Installation must include a manual 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 13 page 17 Apply pipe joint sealant lightly to male threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged heater valves A CAUTION Use pipe joint sealant that is resistant to liquid petroleum LP gas Install sediment trap in supply line as shown in Figure 13 page 17 Locate sedi ment trap where it is within reach
19. all above fireplace BRASS FIREPLACE HOOD GA6052 For all models Helps deflect heat away from mantel or wall above fireplace DAMPER CLAMP GA6080 For manually controlled models Permanently opens chimney flue damper for vented operation LAVA ROCK GA6060 For all models Order when additional rock is desired 3 1b bag 101308 ILLUSTRATED PARTS BREAK DOWN Manually Controlled Models 30 101308 PARTS LIST Manually Controlled Models KEY This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 32 of this manual PART NUMBER FOR NO VL18N CF18N VL24N CF24N 101337 01 101336 01 101334 01 101333 02 M11084 26 100701 02 098594 01 098593 01 098249 01 101006 01 101330 01 101008 01 101007 01 100999 04 101331 01 098271 06 097159 02 098867 09 M11084 38 101011 02 098324 02 098462 02 098325 01 098508 01 101005 01 098932 07 101003 04 098276 01 101010 01 099387 08 101004 07 101004 11 101009 01 100563 01 101055 01 100565 01 100639 01 101137 01 101416 05 GA6060 101337 02 101336 02 101335 01 101332 01 101333 01 M11084 26 100701 02 098594 01 098593 01 098249 01 101006 01 101330 02 101008 01 101007 01 100999 05 101331 02 098271 06 097159 02 098867 09 M11084 38 101011 02 098324 02 098462 02 098325 01 098508 01 101005 01 098932 07 10100
20. as been running 1 STOP Read the safety information above 2 Make sure manual shutoff valve is fully open 3 Turn control knob clockwise N to the OFF position Ignitor Button Figure 20 Control Knob and Ignitor Button Location 4 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 above If you don t smell gas go to the next step 101308 OPERATING HEATER Thermostat Controlled Models Continued 5 Turn control knob counterclockwise yO to the PILOT position Press in control knob for five 5 seconds see Page 20 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 less This will allow 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 button 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 below 7 Keep control knob pressed in for 30 seconds after
21. as supplier 101308 REPLACEMENT PARTS Note Use only original replacement parts This will protect your warranty cover age 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 International s Technical Service Department at 1 800 323 5190 When calling DESA International have ready e your name e your address e model number of your heater e how heater was malfunctioning e type of gas used propane or natural gas e purchase date Usually we will ask you to return the defective 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 International s Parts Department at 1 800 972 7879 for referral information When calling DESA International have ready e model number of your heater e the replacement part number 101308 ACCESSORIES Purchase these heater accessories from your local dealer If they can not supply these accessories call DESA International s Parts Department at 1 800 972 7879 for information You can also write to the address listed on the back page of this manual MANUAL SHUTOFF VALVE GA5010 For all models Manual shutoff valve with 1 8 NPT tap Fits 1 2 NPT pipe BLACK FIREPLACE HOOD GA6050 For all models Helps deflect heat away from mantel or w
22. ay create drafts that alter burner flame patterns Altered burner patterns can cause sooting Do notuse a blower insert heat exchanger insert or other accessory not approved for use with this heater This heater needs fresh outside air ventilation to run properly This heater has an oxygen depletion sensor ODS pilot light safety system The ODS shuts down the heater if not enough fresh air is available See Air for Combustion and Ventilation pages 5 through 8 If heater keeps shutting off see Troubleshooting pages 25 through 28 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 Never place any objects on the heater Heater base assembly becomes very hot when running heater Keep children and adults away from hot surface to avoid burns or clothing ignition Heater will remain hot for a time after shut down Allow surface to cool before touching Carefully supervise young children when they are in the room with heater Do not use heater if any part has been exposed to or under water Immediately call a qualified service technician to inspect the room heater and to replace 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 alog is chipped dime sized or larger Turn heater off and let cool before servicing Only a qualified service perso
23. 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 above 101308 OPERATING HEATER Manually Controlled Models Md FOR YOUR SAFETY READ BEFORE LIGHTING B A WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly B BEFORE LIGHTING smell all around the appliance area for gas 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 e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions Ifyou 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 technician or gas supplier Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance a
24. ctric drill with 3 16 drill bit 1 Apply pipe joint sealant lightly to male threads of gas regulator Connect approved flexible gas hose to gas regulator of heater see Figure 11 IMPORTANT Hold gas regulator with wrench when connecting flexible gas hose 2 Locate mounting brackets bolts and nuts in hardware package Attach mount ing brackets to heater base see Figure 12 Attach nuts finger tight 3 Position heater base assembly in fireplace 4 Mark screw locations through holes in mounting brackets If installing in a brick bottom fireplace mark screw locations in mortar joint of bricks 5 Remove heater base from fireplace Remove mounting brackets from heater base 6 Drill holes at marked locations using 3 16 drill bit 7 Attach mounting brackets to fireplace floor using masonry screws in hardware package 8 Reattach heater base to mounting brackets Tighten nuts firmly 9 Connect to gas supply See Connecting To Gas Supply page 16 101308 INSTALLING Continued Heater Gas Regulator Flexible Gas Hose if allowed by local codes Figure 11 Attaching Flexible Gas Hose to Heater Gas Regulator Figure 12 Attaching Mounting Brackets to Heater Masonry Screw Mounting Bracket 101308 INSTALLING Continued CONNECTING TO GAS SUPPLY NOTICE A qualified service person must connect heater to gas supply Follow all local codes Installation
25. d tear or parts that fail or become damaged as aresult 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 THREE 3 YEARS ON ALL COMPO NENTS AND FIVE 5 YEARS ON STAINLESS STEEL BURNERS FROM THE DATE OF FIRST PURCHASE AND DESA INTERNATIONAL S LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA INTERNATIONAL 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 DES A DGB RNAEIONAL P O Box 90004 Bowling Green KY 42102 9004 101308 01 Rev D 02 96
26. ding 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 7 B Vent room directly to the outdoors See Ventilation Air From Outdoors page 7 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 101308 AIR FOR COMBUSTION AND VENTILATION Continued A WARNING If the area in which the heater may be operated is smaller than that defined as an unconfined space provide adequate combus tion and ventilation air by one of the methods described in the National Fuel Gas Code ANSI 2223 1 1992 Section 5 3 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 1 and 2 Figure 2 You can also remove door into adjoining room see option 3 Figure 2 Follow the National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts A WARNING Rework
27. ed Thermostat Sensing Bulb es Adhesive backed Mounting Clip a Figure 31 Locating Thermostat Sensing Bulb on Masonry Fireplace If you have a factory built metal fireplace see Figure 32 for location Thermostat Sensing Bulb Adhesive backed Mounting Clip Figure 32 Locating Thermostat Sensing Bulb on Factory built Metal Fireplace If your fireplace has glass doors position sensing bulb directly behind door gap on right bottom side see Figure 33 Thermostat i Sensing Bulb i 4 Adhesive backed RAN Mounting Clip a a 4 Glass Doors EBA Figure 33 Installing Thermostat Sensing Bulb behind Glass Doors 5 The mounting clip must be a minimum of 3 from bottom of fireplace to prevent crimping of capillary Once you have decided on a location clean the area thoroughly Remove the paper backing from the adhesive on back of mounting clip Press the clip into the new location so that the thermostat sensing bulb will be positioned vertically with the capillary at the bottom see Figure 34 Slide the thermostat sensing bulb into the clip IMPORTANT Do not crimp capillary Thermostat Sensing Bulb Adhesive backed Capillary Mounting Clip Do Not Crimp Capillary Figure 34 Positioning the Thermostat Sensing Bulb in the Vertical Position with the Capillary at the Bottom 101308 TECHNICAL SERVICE
28. eight 2560 cu ft volume of space If additional ventilation to adjoining room is supplied with grills or openings add the volume of these rooms to the total volume of the space 2 Divide the space volume by 50 cubic feet to determine the maximum BTU Hr the space can support volume of space 50 cu ft Maximum BTU Hr the space can support Example 2560 cu ft volume of space 50 cu ft 51 2 or 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 Example Gas water heater 40 000 BTU Hr Vent free heater 33 000 BTU Hr Total 73 000 BTU Hr Do not include direct vent gas appliances Direct vent draws combustion air from the outdoors and vents to the outdoors 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 worksheet ad
29. g 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 ignite if highly heated Inspect chimney flue for damage If damaged operate heater with flue damper closed 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 in a recreational vehicle where curtains furniture clothing or other flammable objects are less than 36 inches from the front top or sides of the heater e in high traffic areas e in windy or drafty areas 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 in the air such as tobacco smoke exist may discolor walls IMPORTANT Vent free heaters add moisture to the air Although this is beneficial installing heater in rooms without enough ventilation air may cause mildew to form from too much moisture See Air for Combustion and Ventilation pages 5 through 8 CHECK GAS TYPE Use only natural gas If your gas supply is not natural gas do not install heater Call dealer where you bought heater fo
30. h 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 Gas Natural gas is odorless An odor making agentis 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 It is your guide to safe and proper operation of this heater Safety Information continues on next page 101308 SAFETY INFORMATION Continued WARNING Any change to this heater or its controls can be dangerous 1 2 10 11 12 13 14 15 16 17 18 19 20 A WARNINGS continued 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 If you smell gas e shut off gas supply e 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 F
31. hermocouple This will cause the thermocouple to cool When the thermocouple cools the heater will shut down Pilot Burner Thermocouple Pilot Burner Thermocouple f Figure 24 Correct Pilot Figure 25 Incorrect Pilot Flame Pattern Flame Pattern If pilot flame pattern is incorrect as shown in Figure 25 e turn heater off see To Turn Off Gas to Appliance page 21 thermostat con trolled models or page 23 manually controlled models e see Troubleshooting pages 25 through 28 FRONT BURNER FLAME PATTERN Figure 26 shows correct front burner flame pattern Figure 27 shows incorrect front burner flame pattern The incorrect burner flame pattern shows yellow tipping at top of blue flame A WARNING If yellow tipping occurs your heater could produce increased levels of carbon monoxide If front burner flame pattern shows yellow tipping follow instructions at bottom of this page Yellow flame on rear burner is normal NOTICE Do not mistake orange flames with yellow tipping Dirt or other fine particles are burned by heater causing brief patches of orange flame o N Ia a CORRECT FLAME PATTERN AT HIGH POSITION Figure 26 Correct Front Burner Flame Pattern Yellow Tipping At Top of Blue Flame INCORRECT FLAME PATTERN AT HIGH POSITION Figure 27 Incorrect Front Burner Flame Pattern If front burner flame pattern is incorrect as shown in Figure 27 e turn heater off see To Turn Off Ga
32. ig will damage heater regulator 2 Cap off open end of gas pipe where manual shutoff valve was connected Continued 101308 INSTALLING Continued 3 Pressurize supply piping system by either using compressed air or opening main gas valve located on or near gas meter 4 Check all joints of gas supply piping system Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak Correct all leaks at once 6 Re connect heater and manual shutoff valve to gas supply Check re connected fittings for leaks yi Test Pressures Equal To or Less Than 1 2 PSIG 1 Close manual shutoff valve see Figure 14 2 Pressurize supply piping system by either using compressed air or opening main gas valve located on or near gas meter 3 Check all joints from gas meter to manual shutoff valve see Figure 15 Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak 4 Correct all leaks at once Pressure Testing Heater Gas Connections 1 Open manual shutoff valve see Figure 14 2 Open main gas valve located on or near gas meter 3 Make sure control knob of heater is in the OFF position 4 Check all joints from manual shutoff valve to thermostat gas valve thermostat con trolled models or control valve manually controlled models see Figure 15 Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak Correct all leaks at once 6 Light heater see
33. ired heater It uses air oxygen from plier call the fire department the room in which it is installed Provi sions for adequate combustion and ven m nstallation ana Service must De per tilation air must be provided Refer to formed by a qualified installer service Air for Combustion and Ventilation agency or the gas supplier section in this manual Save this manual for future reference 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 CONTENTS SAFETY INFORMATION SECTION PAGE Safety Informati n psie nania Rro S e EE E EE EERE 2 Product Identification lt iccci sicestscyssscpsstpecsabesstessstscteiassenssssiadavassiessesdbssobesee 4 Vocal Codes iisen one es ed ee 4 Unpacking sacra tetas ach are Adair aao BESE E EE Eia Aiea ect 4 Product Features ser Sorre enorer e eere ee E e A dress o eine 4 Air for Combustion and Ventilation sesseesseseseeeeeesssreersreersrrerrrrereeresene 5 Installing ci sh het ariel E E R A i as RON a 8 Check Gas Type tscssces cs decnsen eeel eesin dui EEEE EEE NEEE EERE 8 Installation and Clearances Vent Free Operation Only 9 Installing Damper Clamp Accessory for Vented Operation 13 Installing Heater Base Assembly ce eeceesceececeeecesseceeteceeeeneeeeee 14 Connecting to Gas Suppl
34. lace see Figure 19 Make sure notches on bottom rest on grates 5 Add lava rock around base of heater Front Log 2 Figure 17 Installing Front Log Left Front Branch 4 Figure 16 Installing Rear Log we 24 amp 30 models Wea or Front Branch 4 Crossover Notches 4 18 Model Log 3 Right Front 4 lt Branch 5 a Notches Figure 18 Installing Crossover Log Figure 19 installing Lan Front 19 Branch and Right Front Branch 101308 OPERATING HEATER Thermostat Controlled Models Ml FOR YOUR SAFETY READ BEFORE LIGHTING B A WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly B BEFORE LIGHTING smell all around the appliance area for gas 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 e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions Ifyou 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 n
35. lighting pilot After 30 seconds release control knob Note If pilot goes out repeat steps 3 through 7 This heater has a safety inter lock system Wait one 1 minute for system to reset before lighting pilot again Thermocouple Ignitor Electrode weer Pilot Burner Figure 21 Pilot 8 Turn control knob counterclockwise y 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 manual shutoff valve GR TOTURNOFFGASTOAPPLIANCE M Shutting Off Heater 1 Turn control knob clockwise to the OFF position Shutting Off Burners Only pilot stays lit 1 Turn control knob clockwise N to the PILOT position B THERMOSTAT CONTROL OPERATION B Thermostat Controlled Models Only 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 burner to remain fully on without modulating down in most cases D MANUAL LIGHTING PROCEDURE B 1 Follow steps 1 through 5 under Lighting Instructions page 20 2 Depress
36. losed State and local codes in some areas prohibit the use of vent free heaters You can operate heater as a vented product by opening flue damper Safety Device This heater has a pilot with an Oxygen Depletion Sensor Shutoff System ODS 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 system requires no matches batteries or other sources to light heater 101308 AIR FOR A WARNING COMBUSTION This heater shall not be installed in a confined space unless AND provisions are provided for adequate combustion and ventilation air Read the following instructions to insure proper fresh air for VENTILATION this and other fuel burning appliances in your home Today s homes are built more energy efficient than ever New materials 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
37. m Non Combustible Material Clearances If Not Using Mantel Note If using a mantel go to page 11 If not using a mantel follow the information on this page You must have non combustible material s above the fireplace opening Non combustible materials such as slate marble tile etc must be at least 1 2 inch thick With sheet metal you must have non combustible material behind it Non combustible material must extend at least 8 up for all models If non combustible material is less than 12 you must install the fireplace hood accessory 24 and 30 models only See chart below and Figure 5 for minimum clearances IMPORTANT If you cannot meet these minimum clearances you must operate heater with chimney flue damper open Go to Installing Damper Clamp Accessory for Vented Operation page 13 Non Combustible Requirements for Material Distance A Safe Installation 12 or more Non combustible material OK Between 8 and 12 24 or 30 Models Install fireplace hood acessory GA6050 or GA6052 see Accessories page 33 18 Model Non combustible material OK Less than 8 Non combustible 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 101308 INSTALLING Continued
38. n should service and repair heater Operating heater above elevations of 4 500 feet may cause pilot outage Ei 9 9 101308 PRODUCT IDENTIFICATION LOCAL CODES UNPACKING PRODUCT FEATURES Crossover Log Front Ne ee Rear Log Rear Burner Piezo Ignitor Left Front Branch Right Front Branch Control Knob Base Assembly Figure 1 Vent Free Gas Log Heater 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 also known as 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 1 Remove logs and heater base assembly from carton Note Do not pick up heater base assembly by burners This could damage 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 Operation This heater is clean burning It requires no outside venting There is no heat loss out a vent or up achimney Heat is generated by both realistic flames and glowing coals This heater is designed for vent free operation with flue damper c
39. nd to replace any part of the control system and any gas control which has been under water EE LIGHTING INSTRUCTIONS M A WARNING e 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 Also if fireplace opening has vents at the bottom you must open the vents before operating heater You must operate this heater with a fireplace screen in place Make sure fireplace screen is closed before running heater NOTICE During initial operation of new heater burning 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 Homeowners 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 High 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 1 STOP Read the safety information above 2 Make sure manual shutoff valve is fully open 3 Press in and turn control knob clockwise A to the OFF position Ignitor Button Figure 22 Control Knob and Ignitor Button Location 4 Wait five 5 minutes to clear o
40. o 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 NATURAL GAS LOG HEATERS DESA International warrants this product to be free from defects in materials and components for three 3 years and five 5 years on stainless steel burners 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 Authorized Service Center Warranty part s MUST be obtained through authorized dealers of this product and or DESA International 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 an
41. oken ignitor cable Bad piezo ignitor 6 Ignitor electrode posi tioned wrong 7 Ignitor electrode broken Nn 1 2 Nn Tighten nut holding Replace ignitor cable Replace piezo ignitor Replace ignitor Replace ignitor Reconnect ignitor cable Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry piezo ignitor to base panel of log set Nut is located behind base panel Continued 101308 TROUBLE SHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed there is spark at ODS pilot but no ignition 1 Gas supply turned off or manual shutoff valve closed 2 Control knob not in PILOT position 3 Control knob not pressed in while in PILOT position 4 Air in gas lines when installed 5 ODS pilot is clogged 6 Gas regulator setting is not correct 1 Turn on gas supply or open manual shutoff valve 2 Turn control knob to PILOT position 3 Press in control knob while in PILOT position 4 Continue holding down control knob Repeat igniting operation until air is removed 5 Clean ODS pilot see Cleaning and Mainte nance page 25 or replace ODS pilot assembly 6 Replace gas regulator ODS pilot lights but flame goes out when control knob is released 1 Control knob not fully pressed in 2 Control knob not pressed in long enough 3 Safety interlock system has been triggered
42. ollow 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 Never install the heater e in a recreational vehicle e where curtains furniture clothing or other flammable objects are less than 36 inches from the front top or sides of the heater e in high traffic areas e in windy or drafty areas 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 ignite ifhighly heated Inspect chimney flue for damage If damaged operate heater with flue damper closed 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 Also if fireplace opening has vents at the bottom you must open the vents before operating heater You must operate this heater with a fireplace screen in place Make sure fireplace screen is closed before running heater This log heater is designed to be smokeless If logs ever appear to smoke turn off heater and call a qualified service person Note During initial operation slight smoking may occur due to log curing and heater burning manufacturing residues Do not allow fans to blow directly into the fireplace Avoid any drafts that alter burner flame patterns Ceiling fans m
43. ot push in or turn by hand don t try to repair it call a qualified service technician or gas supplier Force or attempted repair may result in a fire or explosion D 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 M A WARNING e 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 Also if fireplace opening has vents at the bottom you must open the vents before operating heater You must operate this heater with a fireplace screen in place Make sure fireplace screen is closed before running heater NOTICE During initial operation of new heater burning 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 Homeowners 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 h
44. r proper type heater 101308 INSTALLING Continued INSTALLATION AND CLEARANCES Vent Free Operation Only WARNING Maintain the minimum clearances If you can provide greater clear ances from floor ceiling and adjoining wall MINIMUM FIREPLACE CLEARANCE TO COMBUSTIBLE MATERIALS Log Size Side Wall Ceiling Floor 18 24 30 16 42 5 LOG SIZING REQUIREMENTS Log Minimum Firebox Size Size Height Depth Front Width Rear Width 18 17 14 20 14 24 17 14 26 18 30 17 14 32 22 Carefully follow the instructions below This will ensure safe installation into a masonry or U L listed manufactured fireplace Minimum Wall and Ceiling Clearances see Figure 4 A Clearances from the side of the fireplace opening to any combustible wall should not be less than 16 inches B Clearances from the top of the fireplace opening to the ceiling should not be less than 42 inches Left and Right Sides Figure 4 Minimum Clearance to Wall and Ceiling Continued E 101308 INSTALLING Continued 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 non combustible material above fireplace opening is not needed Go to nstalling Damper Clamp Accessory for Vented Operation page 13 Minimu
45. rs page 7 If your home does not meet all of the three criteria above proceed to page 6 Unconfined Space The National Fuel Gas Code ANSIZ223 1 1992 Section 5 3 defines uncon fined space as having a minimum air volume of 50 cubic feet 127 cubic cm for each 1000 Btu Hr input rating of all appliances in the space cubic feet equals length x width x height of space Include adjoining rooms only if there are doorless passageways or ventilation grills between the rooms Confined Space The National Fuel Gas Code ANSIZ223 1 1992 Section 5 3 defines confined space as having an air volume of less than 50 cubic feet 127 cubic cm for each 1000 Btu Hr input rating of all appliances in the space cubic feet equals length x width x height of space Include adjoining rooms only if there are doorless passageways or ventilation grills between the rooms Continued 101308 AIR FOR DETERMINING AIR FLOW FOR HEATER LOCATION COMBUSTION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space AN D Space Includes the room in which you will install heater plus any adjoining rooms with VENTI L ATION doorless passageways or ventilation grills between the rooms Continued 1 Determine the volume of the space length x width x height Length x Width x Height cu ft volume of space Example Space size 20 ft length x 16 ft width x 8 ft ceiling h
46. s to Appliance page 21 thermostat con trolled models or page 23 manually controlled models e see Troubleshooting pages 25 through 28 101308 CLEANING AND MAINTENANCE Note TROUBLE SHOOTING All troubleshooting items are listed in order of operation A WARNING Turn off heater and let cool before cleaning A CAUTION You must keep control areas burners and circulating air passage ways of heater clean Inspect these areas of heater before each use Have heater inspected yearly by a qualified service person Heater may need more frequent cleaning due to excessive lint from carpeting bedding material etc ODS PILOT AND BURNERS e Use a vacuum cleaner or small soft bristled brush to clean LOGS e If you remove logs for cleaning refer to Installing Logs page 19 to properly replace logs e Replace log s if broken or chipped dime sized or larger A WARNING Turn off and unplug heater and let cool before servicing Only a qualified service person should service and repair heater CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed there is no spark at ODS pilot 1 Ignitor electrode not con nected to ignitor cable 2 Ignitor cable pinched or wet 3 Piezo ignitor nut is loose 4 Br
47. s too low company 2 Burner orifice s 2 Clean burner s see clogged Cleaning and Mainte nance page 25 or replace burner orifice s 3 Mislocated crossover 3 Contact qualified service tube person Burner backfiring 1 Burner orifice is 1 Clean burner see during combustion clogged or damaged Cleaning and Mainte nance page 25 or replace burner orifice 2 Damaged burner 2 Replace damaged burner 3 Gas regulator defective 3 Replace gas regulator Yellow flame in front 1 Not enough air 1 Check burner s for dirt burner during burner and debris If found combustion clean burner s see Cleaning and Mainte nance page 25 2 Gas regulator defective 2 Replace gas regulator Slight smoke or odor 1 Residues from manu 1 Problem will stop after a during initial opera facturing processes few hours of operation tion and logs curing Heater produces a 1 Turning control knob 1 Turn control knob to LO whistling noise when to HI position when position and let warm up burners are lit burners are cold for a minute 2 Air in gas line 2 Operate burners until air is removed from line Have gas line checked by local natural gas company 3 Air passageways on 3 Observe minimum heater blocked installation clearances see pages 10 13 4 Dirty or partially 4 Clean burners see clogged burner Cleaning and Mainte orifice s nance page 25 or replace burner orifice s Moisture condensation 1 Not enough combus 1 Refer to
48. ted on the gas valve assembly This location allows the thermostat to keep the room temperature at an ideal comfort level for most fireplace applications For positioning the thermostat sensing bulb elsewhere an adhesive backed mounting clip has been provided Tools needed 5 16 hex driver or socket 1 Locate the gas valve assembly and thermostat sensing blub see Figure 28 Gas Valve Assembly Thermostat Sensing Bulb Figure 28 Location of Gas Valve Assembly and Thermostat Sensing Bulb 2 The adhesive backed mounting clip see Figure 29 is attached to the thermostat sensing bulb Remove the adhesive backed mounting clip gt 2 Figure 29 Adhesive backed Mounting Clip 3 With 5 16 hex driver or socket loosen the thermostat screw Carefully slide the thermo stat sensing bulb out of the retaining clamp see Figure 30 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 Retaining Clamp Figure 30 Removing Thermostat Sensing Bulb 4 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 31 for location 101308 OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB For Masonry and Factory built Metal Fireplace Continu
49. ut any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information above If you don t smell gas go to the next step 101308 OPERATING HEATER Manually Controlled Models Continued 5 With control knob pressed in press and release ignitor button This will light pilot Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds Turn control knob counterclockwise A to the LOW position The front Press in control knob and turn counterclockwise y to the PILOT position Keep control knob pressed in for five 5 seconds see Figure 22 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 This will allow air to bleed from the gas system If control knob does not pop out when released contact a qualified service person or gas supplier for repairs The pilot is attached to the front burner If needed keep pressing ignitor button until pilot lights Note If pilot does not light 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 below release control knob Note If pilot goes out repeat steps 3 through 7 Thermocouple Pea Ignitor Electrode Pilot Burner Figure 23 Pilot burner should light
50. worksheet adding the space of the adjoining unconfined space The combined spaces must have enough fresh air to supply all appliances in both spaces I S SS SS A e Ventilation Grills Ventilation Grills Into Adjoining Or Into Adjoining Room oe R move Option 2 Puen Door into Adjoining Room Option 3 Figure 2 lt Ventilation Air from Inside Building Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts You must provide two perma nent 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 IMPORTANT Do not provide openings for inlet or outlet air into attic if attic has a thermo stat controlled power vent Heated air entering the attic will activate the power vent Ventilated Attic Outlet j el To Attic oh To Crawl Inlet Air I Ventilated Inlet Air Crawl Space Figure 3 Ventilation Air from Outdoors 101308 INSTALLING NOTICE A qualified service person must install heater Follow all local codes NOTICE State or local codes may only allow operation of this appliance in a vented configuration Check your state or local codes A WARNING Before installin
51. y cece eee ceeeecseesseceeesaeceeceaecneceseeeeensees 16 Checking Gas Connections o0 e ee eceeeesseseeesecseecseceeaecnseeseensensees 17 Tnstallin gs Logse n E aee a a E a a aii 19 Operating Heater Thermostat Controlled Models 0 eee eeeeeeeeeeee 20 Operating Heater Manually Controlled Models 00 0 0 eee ee eeeeeeeeeee 22 Inspecting BUrnersis isis sveesesciassesssathsounag easton a AEE EEEE E eta teeepentiine 24 Cleaning and Maintenance 00 0 eee eeeeseceeesecneceseceeceseeeeeeseeeeeeaeeeeeeas 25 Troubleshooting sien cs iessentis oes bevsung E EEEE teens Le EEEN 25 Optional Positioning of Thermostat Sensing Bulb oe 29 Technical Service oi ssscicsinsscevtschsseapsctiescapasscedestycdeldessassesisdavhsdkoavesshsssovsce 31 Specilications 022 hase Eea nan e Aa E area ee 31 Service Hints nensis Rica ied anvanta en an ea i aisa a aae anei 31 Replacement Parts aeae E EEEE e E EEE EEE E aersmierteetee 32 ACCESSOLIES seerste a i a aar a e Eee E E a E E E Esaa 33 Tllustrated Parts Lists einna i REA E E AR RNA 34 37 Warranty Informatio me sns ieie re eee i EE ES Ee E E NE VE EKE ESS Back Cover A WARNINGS IMPORTANT Read this owner s manual carefully and completely before trying to assemble operate or service this heater Improper use of this heater can cause serious injury or death from burns fire explosion electrical shock and carbon monoxide poisoning A DANGER Carbon monoxide poisoning may lead to deat
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