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Lennox Hearth L20 DVF-2 User's Manual

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1. psi 14 WC inches water column PAGE 12 INSTALLATION DOOR OPERATION ALL MODELS 2 Swing bottom of door outward until door releases at top The glass door is mounted on a hinge at the top of the firebox then lift door up and off and is secured in the closed position by the draw latch mounted on the bottom of the firebox The latch tension is preset at the factory Over time adjustment of the latch tension may be nec essary to maintain a tight door seal This adjustment can be made by spinning the latching rod in the rod guide Care should be exercised to not adjust the tension too high If glass door removal is required for replacement or mainte nance the door can be removed in the open position by lifting it straight up and disengaging the hinge Do not attempt to re move or replace broken glass in the door assembly Contact your Lennox dealer for glass replacement To Remove Door 1 Locate latch below door see following picture Pull latch forward until bottom of door releases ai iE EA PEY e DOT SR NT PAGE 13 INSTALLATION GAS APPLIANCE FINAL ASSEMBLY ALL MODELS 4 Install the center top twig as shown in the following illus After the appliance has been properly installed and all gas con tration nections have been made and tested you can now install the log set INSTALLING LOG SET WARNING If logs are not installed according to the direc tions in this manual flame impingem
2. rise per foot Maximum total offsets allowed Not to exceed 180 degrees Maximum allowable horizontal pipe run is 12 feet With 2 feet of vertical pipe installed from the appliance see note a 2 foot maximum horizontal run allowed For installations with more than 2 feet of vertical pipe calculate allowable horizontal run as indicated in applicable illustration above See page 10 for l ent Termination Requirements Also see pipe manufacturers instructions for additional vent installation requirements Horizontal vent clearances 3 minimum top 1 minimum on bottom and sidewalls Vertical vent clearances 1 minimum Install vent support brackets every 4 feet of vertical pipe unless otherwise specified by vent manufacturer Note If using Propane Gas LP it may be necessary to install as a minimum 3 feet of vertical pipe from the appliance prior to an offset to ensure optimum product performance This may be necessary due to variations in vent configuration and other numerous fac tors which affect exhaust flow and air delivery such as BTU value ambient temperature wind conditions altitude etc PAGE 7 INSTALLATION DIRECT VENT SYSTEM COMPONENTS MODEL L20 DVF 2 ONLY The following Direct Vent system components may be safely used model L20 DVF 2 Model Brand SECURITY Description Model Brand SIMPSON DURA VENT Description SV 0 SHK Standard Horizontal Term Kit 90 Black Elbow Firestop 2 Horizon
3. CRACKED OR BROKEN REPLACEMENT OF THE GLASS SHOULD BE DONE BY A QUALIFIED TECHNICIAN Ensure venting termination cap is unobstructed Check to see that wiring is correct and is enclosed inside the stove pedestal base See page 22 Model L20 DVF 2 Ensure that the relief door is properly closed see Combustion Chamber Relief Door on page 17 Verify that the gas line has been purged of air Test all connections for leaks factory and field with a leak detector or soapy water solution If you smell gas do not attempt to light this appliance Follow safety instructions on the front cover of this manual Burner Air Shutter opening to be Natural Gas 1 4 open Propane 1 2 open some adjustment from standard may be necessary for the desired flame characteristics see Burner Flame Appearance page 21 To adjust air shutter 1 Remove burner from firebox by removing the 2 nuts as shown in the following picture Then lift burner up and out of firebox 24 Remove2nuts then lift burner out of firebox wig dM s L s Burner Assembly 2 Adjust gap as shown in following picture WN Y 4 y A m na N i NU Loosen setscrew i N TW mA M using Phillips ii EX screwdriver Y e NM 1 zi Ee NG 1 4 see 118 gap ul 1 4 LP 1 2 Open 1 4 gap a y u Burner Assembly 3 Reinstall burner Do not overtighten nuts finger tight only a Light the appliance f
4. explo sion or production of carbon monoxide may result causing property damage personal injury or loss of life The qualified service agency is responsible for the proper installation of this kit The installation is not proper and complete until the operation of the con verted appliance is checked as specified in these in structions PROPANE Conversion Procedure 1 Turn off Gas Turn gas control knob to the off position and Shut off the gas supply to the valve If necessary disconnect appliance from gas supply 2 Caution The gas supply shall be shut off prior to disconnect ing the electrical power before proceeding with the conver sion Unplug blower power cord 3 If the installation is at an elevation below 4500 feet proceed to step 4 If you are at an elevation above 4500 feet do not use the orifice provided in this kit Contact your gas supplier to obtain a smaller orifice 4 Burner Orifice Installation Procedure a Remove glass door b Remove logs burner cover and burner c Use a 16 open end wrench to remove gas burner ori fice d Replace the burner orifice with the appropriate burner orifice see instruction 3 e Use pipe sealing compound rated for LP gas BE VERY CAREFUL THAT THE PIPE COMPOUND DOES NOT GET INSIDE OF THE ORIFICE THIS COULD RESULT IN PLUGGING OF THE ORIFICE Using a 7 16 open end wrench to tighten orifice DO NOT OVER TIGHTEN fin ger tight then 1 2 turn maximum Ma
5. 25 DCC MICA ON Stes ctac actin tant sette te ctos meten festes 21 28 Safety Listing Labels neeesser 29 30 Ownership Record and Service Log 31 TESTING LISTING This appliance is tested and certified as safe for residential use by an internationally recognized testing and certification agency The safety tests are conducted in accordance with American National Standards Institute ANSI requirements These appliances are tested certified and listed by the CSA AGA CGA to ANSI Z21 88a 2003 Vented Gas Fireplace Heat ers and CSA 2 33a M98 2003 Vented Gas Fireplace Heaters APPROVED VENTING L20 DVF 2 Listed for installation with Security Secure Vent chimney or Simpson Dura Vent brand chimney only Other brands may not be used See pages 8 and 9 L20 BF 2 May be vented with any listed class B chimney components installed in accordance with manufacturers instructions See page 11 PAGE 3 CONGRATULATIONS ON THE PURCHASE OF YOUR NEW GAS APPLIANCE MANUFACTURED BY LENNOX HEARTH PROD UCTS When you purchased your new gas fired heater you joined the ranks of thousands of concerned individuals whose an swer to their home heating needs reflects their concern for aesthetics efficiency and our environment We extend our continued support to help you achieve the maximum benefit and enjoyment available from your new gas fired heater It is our goal at Lennox Hearth Products to provide you our va
6. AIR PASSAGEWAYS OF THE APPLIANCE BE KEPT CLEAN THIS APPLIANCE IS ONLY FOR USE WITH THE TYPE OF GAS INDICATED ON THE RATING LABEL LOCATED IN SIDE CONTROL PANEL THIS APPLIANCE IS NOT CON VERTIBLE FOR USE WITH OTHER FUEL UNLESS A CERTI FIED KIT IS USED CAUTION UNDER NO CIRCUMSTANCES SHOULD THESE APPLIANCES BE VENTED TO OTHER ROOMS OR BUILD INGS THESE APPLIANCES MUST ONLY BE VENTED TO THE OUTSIDE VENT TERMINATIONS SHALL NOT BE RE CESSED INTO A WALL OR SIDING WARNING THESE APPLIANCES MUST BE PROPERLY CONNECTED TO A VENTING SYSTEM OPERATION OF THESE GAS APPLIANCES WHEN NOT CONNECTED TO A PROPERLY INSTALLED AND MAINTAINED VENTING SYS TEM CAN RESULT IN CARBON MONOXIDE CO POISON ING AND POSSIBLE DEATH WARNING DO NOT MODIFY THE VENTING SYSTEM AP PLIANCE OR CONTROLS IN ANY WAY BE ADVISED ANY MODIFICATION CAN BE DANGEROUS IMPORTANT DO NOT EXCEED THE MAXIMUM HORIZON TAL RUNS ALLOWED SAVE THESE INSTRUCTIONS TABLE OF CONTENTS Important Warnings seeenne 2 Testing Listing Using this Manual 3 Planning Your Installation eeeeeeee 4 6 Manufactured Mobil Home Requirements 6 NISTANATION RN MEE DTE 7 15 Care and Operation 16 17 Propane Conversion 18 19 VIGIL CN AN CO m PL 20 21 MAFIBG DIAOFaITIS conin a a 22 Troubleshooting eene 23 24 Replacement Parts Optional Accessories
7. BTU s Nat Gas 17 000 to 24 000 BTU s Propane ship Weight 185 Ib s Dimensions shown are approximations only 4 SPECIFICATIONS Orifice Size 40 098 93 0595 Back Wall Min 2 In 51 mm Minimum Supply Pressure 4 5 WC 10 5 WC oide Wall Min 12 In 305 mm Maximum Supply Pressure 10 5 WC 13 0 WC Corner 45 angle s HIGH SETTING stove corner to wall min 2 In 51 mm Manifold Pressure 3 5 WC 10 0 WC Ceiling Height Minimum 65 In 1651 mm Input BTU HR 26 000 24 000 Alcove Min Height 65 In 1651 mm LOW SETTING Alcove Min width 47 n 1194 mm Mainfold Pressure 1 8 WC 6 6 WC Alcove Max Depth into Input BTU HR 17 000 17 000 stove face to alcove opening 24 n 610 mm Altitude U S A 0 4 500 Ft 0 1372M No derating With the orifice manifold pressure and input ratings shown Altitude Canada 0 4 500 Ft 0 1372M No derating above For installation higher than altitudes shown above reorifice per Gas Codes This Appliance is equipped at the factory for the use with Natural Gas or Propane LP Appliances using propane must be field conversed using the LP Conversion Kit supplied with appliance PAGE 28 SAFETY LISTING LABEL RATING PLATE Model Name L20 BF 2 Vented Gas Fireplace Heater Foyer au gaz vacuation Serial Number L20 BF 2 VENTED GAS FIREPLACE HEATER TM NOT FOR USE WITH SOLID FUEL FOYER AU GAZ A EVACUATION Sel E ps NE PAS UTILISER AVEC DU COMBUSTIBLE SOL
8. Basic Horizontal Term Kit 90 Black Elbow Wall Thimble Cover tal Square Term Cap Horizontal Square Term Cap SV 0 HK Horizontal Term Kit 90 Black Elbow Firestop 2 Horizontal Term 971 Horizontal Term Kit A 90 Black Elbow Wall Thimble Cover Hori Cap adj Black length 1 1 2 6 zontal Square Term Cap adj 24 black pipe 11 14 5 8 adj Black pipe SVOFK Vertical Flat Roof Term Kit w flashing storm collar vertical Term 973 Cap oV OFAK Vertical pitched Roof Kit 1 12 12 with adjustable roof flashing 978 Vertical Pitched Roof Kit 0 12 6 12 with adjustable flashing storm storm collar vertical termination cap collar low profile term Cap SV 0 FBK Vertical pitched Roof Kit 8 12 12 12 with adjustable roof flashing N A N A storm collar vertical termination cap SV OL6 6 Pipe Length Galvalume 6 Pipe Length Galvalume SVO LB6 6 Pipe Length Black 908B 6 Pipe Length Black 9078 9 Pipe Length Black SVOL12 OL 0 LB12 12 Pipe Length Black 906B 12 Pipe Length Black OV 0 L24 24 Pipe Length Galvalume 904 24 Pipe Length Galvanized oV 0 LB24 24 Pipe Length Black 904B 24 Pipe Length Black SV 0 L36 903 SV 0 LB36 30 Pipe Length Black 903B 30 Pipe Length Black OV 0 L48 48 Pipe Length Galvalume 902 48 Pipe Length Galvanized oV 0 LB48 48 Pipe Length Black 902B 48 Pipe Length Black 9118 11 14 Adj Pipe Length Black SV O LA 1 2 6 Adi Pipe Len
9. LES INSTRUCTIONS DONN DANS CETTE NOTICE POUR R DUIRE AU MINIMUM LE RISQUE D INCENDIE OU POUR VITER TOUT DOMMAGE MAT RIEL TOUTE BLESSURE OU LA MORT POUR VOTRE SECURITE Ne pas entreposer ni utiliser d essence ni d autre vapeurs ou liquides inflammables dans le voisinage de cet appareil ou de tout autre appareil POUR VOTRE S CURIT Que faire si vous sentez une odeur de gaz e Ne pas tenter d allumer d appareil e Ne touchez aucun interrupteur Ne pas vous servir des t l phones se trouvant dans le batiment o vous vous trouvez e Evacuez la piece le b timent ou la zone e Appelez imm diatement votre fournisseur de gaz depuis un voisin Suivez les instructions du fournisseur e Si vous ne pouvez rejoindre le fournisseur de gaz appe lez le service dos incendies L installation et service doit tre ex cut par un qualifi installeur agence de service ou le fournisseur de gaz IMPORTANT WARNINGS CAUTIONS CAUTION READ THIS MANUAL THOROUGHLY BEFORE STARTING INSTALLATION FOR YOUR SAFETY FOLLOW THE INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS EXACTLY WITHOUT DE VIATION FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN A POSSIBLE FIRE HAZARD AND MAY VOID THE WARRANTY IF THIS APPLIANCE IS NOT PROPERLY INSTALLED A HOUSE FIRE MAY RE SULT CONTACT LOCAL BUILDING OR FIRE OFFICIALS ABOUT RESTRICTIONS AND INSTALLATION IN SPECTION IN YOUR AREA 1 m 10 WARNING IMPROPER ASSEMBLY INSTALLATI
10. fan disc Panel Variable Speed Light Control rheostat E Power Cord Ground ae 120 V AC AC Power Supply Convection Blower room air circulation blower PAGE 22 TROUBLESHOOTING Qualified Technicians Only ALL MODELS PROBLEM 1 Pilot will not light and Piezo Igniter does not produce a heavy blue spark SOLUTIONS e Make sure connections are solid e Replace piezo igniter a Electrode wire at Piezo Igniter not pushed completely on b Piezo igniter is defective a Incorrect lighting procedure 2 Pilot will not light but Piezo Igniter produces a e Carefully follow the lighting operating in heavy blue spark 3 Pilot will not stay lit b No gas to appliance due to shut valves or dis connected gas lines a Thermocouple is not firmly connected to control valve b Pilot flame is not directed to top of thermocou ple c Thermocouple is defective Make sure connec 4 Pilot flame stays lit but main burner will not light tion is solid Burner control switch on control panel is in OFF position or thermostat if installed is turned off or temperature setting is too low Electrical wiring is damaged or poorly con nected One of the following components may be de 9 Main burner stays lit for up to 10 minutes and then shuts off pilot flame remains lit D 6 Smell of gas 7 thin coating of black soot forms on the win dow NOTE See pa
11. included 943 oV OFB Hashing Adjustable 8 12 12 12 storm collar included 943S SV 0 BM Wall Band 988 Flashing 0 12 6 12 Hashing 12 12 12 Wall Strap 2 212 z e Will co SHEE amp Snorkel Caps These are elongate vent termination caps which incorporate the principles of natural draft into a horizontal installation Two styles are common 14 and 36 Cap height They enhance draft and relieve backpressure by creating natural draft in the snorkel Horizontal Caps This 13 square horizontal cap is placed on the outer wall of the dwelling Not to be within 9 of an air inlet or within 12 of the ground It requires a minimum 2 rise on the interior pipe e Vertical Termination Cap Low profile and high wind caps can only be used on vertical pipe installations INSTALLATION MODEL L20 DVF 2 ONLY Direct Vent Retrofit Of Existing Chimney System An existing Class A wood burning Metal Chimney or Masonry Chimney can be converted to a direct vent system Use one of the following chimney conversion kits listed below Have the existing chimney system inspected by a professional prior to the conversion If using Simpson Dura Vent brand liner kit see IMPORTANT note at the top of page 8 The chimney conversion should not be applied to the portion of the vent system that is in the room of the appliance Use only Co Axial direct vent pipe 4 inner pipe 6 5 8 outer pipe as listed on page 8 from the appliance to
12. kits VENTING SYSTEM A periodic examination of the venting system must be per formed to ensure that the flow of combustion and ventilation air is not obstructed outlet and inlet is open and free from block age We recommend that you have your gas appliance checked yearly by your independent Lennox dealer Model L20 DVF 2 If the vent air intake system is disassembled for any reason the service technician should follow vent manu factures instructions for proper reassembly and sealing of the vent air intake system IMPORTANT APPLIANCES INSTALLED USING SIMPSON DURA VENT BRAND PIPE MUST SEAL ALL JOINTS WITH MILL PAC BLACK HIGH TEMPERATURE SEALANT CLEAN EXTERNAL SURFACES External surfaces should be kept clean and dust removed form air inlets to the appliance The flow of combustion and ventila tion air must not be obstructed The appliance must be kept clear and free from combustible materials gasoline and other flammable vapors and liquids SMALL AREA PAINT TOUCH UP The stove body is painted with a quality high temperature stove paint Use only model TSPK C Stove Paint Catalog 19L92 Do not touch up this appliance with any other paint Using one small piece of 320 grit sand paper and lightly sand the blemish so that the edges are feathered or smooth to the touch between the painted and bare surfaces Do not let the sand paper gum up with paint as this will cause scratches on the metal surface If there are any scratc
13. the retro connector into converted flue system Adhere to all specifications shown on pages 6 and regarding clearances to combustibles vertical and horizontal vent length minimums and maximums etc Read all instructions in this manual and provided by vent manufacturer with kit carefully before starting the installation Failure to follow the instructions may create a fire or other safety hazard and will void the warranty Model Brand SECURITY Description Model Brand SIMPSON DURA VENT Description SVAMCK Masonry Chimney Conversion Kit Vertical term Cap Masonry Chimney Conversion Kit cap adapter masonry cover black adapter to flex 2 gear clamps SVACCK1 Factory Built Chimney Conversion Kit for 6 I D 1 Factory Built Chimney Conversion Kit A for 6 insulation I D Only compatible w specific brands Contact Vent Manufacturer SV4CCK2 Factory Built Chimney Conversion Kit for 7 D 1 Factory Built Chimney Conversion Kit B for 6 7 insulation 8 D 1 insulation 6 I D 2 insulation amp 8 D Only compatible w specific brands Contact Vent Manufacturer SV4CCK3 Factory Built Chimney Conversion Kit for 10 1 D 1 Factory Built Chimney Conversion Kit C for 7 amp insulation 7 D 2 insulation 8 1 D 2 insulation 8 D Only compatible w specific brands Con tact Vent Manufacturer MODELS L20 BF 2 AND L20 DVF 2 VERTICAL VENT T
14. Applicable codes i e Uniform Mechanical Code State or Regional Gas Codes National Fuel Gas Code 2 Local amendments 3 Recognized testing lab CSA AGA 4 Is a permit required cost PAGE 5 5 In some states or municipalities a licensed gas fitter or plumber may be required to install this appliance Check with your local building official for requirements in your area i e Is a license required for installation of gas supply line 6 Maximum amount of gas pipe without a pressure test type of test required Are below grade penetrations of the gas line allowed 8 Is concealed gas piping allowed 9 Specific requirements of concealed fittings 10 Is rigid pipe to appliance required 11 Allowed piping materials 12 Shut off valve required within 4 feet of the firebox 13 May the shut off valve be concealed 14 Rooms where the installation is not allowed In the absence of local codes installation should conform to the National Fuel Gas Code also known at ANSI Z223 1 NFPA 54 PLANNING YOUR INSTALLATION MODELS L20 BF 2 AND L20 DVF 2 CLEARANCES TO COMBUSTIBLE MATERIALS These appliances can be installed in most residential room configura tions parallel to a rear or adjacent wall or in an alcove that allows for the minimum clearances to combustible surfaces Your local building inspector should review your plans prior to installation When installing this appliance provide adequate clearances
15. DEL L20 DVF 2 ONLY A d HORIZONTAL VENT TERMINATION REQUIREMENTS The venting terminals should not be recessed into a wall or siding T Em B M pr A IL T AM Dn mel 47 MM 1 d P d V k b v 4 7 b EE p 5 is A OUI re TC M NLLLLLN same 6 rs npa Dy he Area where vent terminal is not permitted Vent Teminal LA Air Supply Outlet 2 Clearances above grade veranda porch deck or bal J 9 USA Clearance to non mechanical air supply inlet to cony building or the combustion air inlet to 12 CAN any 12 Clearance to window or door that may be opened other appliance 9 USA Clearance to permanently closed window K 3ft USA Clearance to a mechanical air supply inlet 6 ft 12 CAN 24 Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 2 feet 60 cm from the center line of the terminal 12 Clearance to unventilated soffit 9 Clearance to outside corner 6 Clearance to inside corner 3ft USA Not to be installed above a meter regulator assembly within 3 feet 90 cm horizontally from the centerline of the regulator 3ft USA Clearance to service regulator vent outlet 6 ft CAN PAGE 10 CAN L 7 ft USA Clearance above paved side walk or a paved M driveway located on public property 12 Clearance under veranda porch deck or balcony A vent shall not terminate directly abov
16. ERMINATION REQUIREMENTS These instructions should be used as a guideline and do not supersede local codes in any way Install vent according to local codes these instructions the current National Fuel Gas Code ANSI Z223 1 in the USA or the current standards of CAN CGA B149 1 and B149 2 in Canada Terminate multiple vent terminations according to the installation codes listed above Terminate single vent caps relative to building components according to the following chart amp illustration The vent air intake termina tion clearances above the high side of an angled roof is as shown in the following chart Above Flat or Sloped Roofs RoofPith Feet Meters 2 Ft Min Flatto6 12 1 03 uL enzz 125 03 l Discharge 7 12108 2 15 0 46 Vent LLL 4 Opening 8 12 to 9 12 2 0 61 Termination 9 12 to 10 12 2 5 0 76 10 12 to 11 12 3 25 H 11 12 to 12 12 4 set x 12 12 to 14 12 ae n 75 Horizontal Overhang Flashing 14 12 to 16 12 p m Roof Pitch is X 12 16 12 to 18 12 7 p oof Pitch is 18 12 to 20 12 k 1 inch 25 4 mm Minimum Clearance to Combustibles 20 12 to 21 12 O8 l De C tri H Mini i Venting terminals shall not be recessed into a wall or siding Vent Pipe i a Re E p cis e Ref NFPA54 ANSI Z223 1 7 6 fig 13 Gas Vent Termination locations for listed Caps 12 inches or less in size at least 8 feet from a vertical wall PAGE 9 INSTALLATION MO
17. HE OPENING AT THE REAR OF THE STOVE DO NOT CONNECT 110 12 VAC RESIDENTIAL LINE VOLT AGE TO THE GAS CONTROL VALVE OR CONTROL WIRING SYSTEM OF THE UNIT ANY SAFETY SCREEN OR GUARD REMOVED FOR SERVIC ING MUST BE REPLACED PRIOR TO OPERATING THE AP PLIANCE WARNING USE ONLY THE GLASS DOOR CERTIFIED WITH THIS APPLIANCE EXERCISE CAUTION TO PROTECT GLASS FROM IMPACT DO NOT OPERATE THE APPLI ANCE WITH BROKEN GLASS OR USE SUBSTITUTE MATE RIALS 11 12 13 14 15 16 17 18 19 20 21 22 23 PAGE 2 DO NOT USE THIS APPLIANCE IF ANY PART HAS BEEN UNDER WATER IMMEDIATELY CALL A QUALIFIED SER VICE TECHNICIAN TO INSPECT THE APPLIANCE AND RE PLACE ANY PART OF THE CONTROL SYSTEM AND GAS CONTROL WHICH HAS BEEN UNDER WATER DO NOT BURN WOOD OR OTHER MATERIAL IN THIS HEATER WARNING THE APPLIANCE AREA MUST BE KEPT CLEAR AND FREE FROM COMBUSTIBLE MATERIALS GASOLINE AND OTHER FLAMMABLE VAPORS AND LIQUIDS DO NOT USE A BLOWER INSERT HEAT EXCHANGER IN SERT OR OTHER ACCESSORY NOT APPROVED FOR USE WITH THIS APPLIANCE THIS APPLIANCE IS NOT FOR USE WITH AIR FILTERS ANY CHANGE TO THIS HEATER OR ITS CONTROLS CAN BE DANGEROUS THIS APPLIANCE SHOULD BE INSPECTED AND MAIN TAINED AT LEAST ANNUALLY BY A PROFESSIONAL SER VICE PERSON MORE FREQUENT CLEANING MAY BE RE QUIRED DUE TO EXCESSIVE LINT FROM CARPETING BEDDING MATERIAL ETC IT IS IMPERATIVE THAT CON TROL COMPARTMENTS BURNERS AND CIRCULATING
18. IDE Propan oO Tested to ANSI Z21 88a 2003 CERTIFIED Controls VS8520 CSA 2 33a 2003 Vented Gas Fireplace Heater Natural Gas Model L20 BF 2 Natural Gaz Modele L20 BF 2 Input 0 4500 26 000 Btu hr Minimum Input 17 000 Btu hr Alimentation 0 1370m Puissance minimum Orifice 40 dms Grandeur de l injecteur Manifold Pressure 3 5 w c c e Pression a la tubular d alimentation Min Supply Pressure 4 5 w c c e Pression d alimentation minimum Propane Gas Model L20 BF 2 Input 0 4500 Minimum Input 24 000 Btu hr 17 000 Btu hr Propane Gaz Modele L20 BF 2 Alimentation 0 1370m Puissance minimum Orifice 93 dms Grandeur de l injecteur Manifold Pressure 10 w c c e Pression a la tubular d alimentation Min Supply Pressure 11 w c c e Pression d alimentation minimum Electrical Rating 115 V 60 HZ Alimentation Electrique less than 12 A Minimum Clearances to Combustibles Degagements Minimum Des Materiaux Combustible Sidewall 12 305mm Mur Lateral Backwall 2 51mm Parole Arri re Adjacent Wall Corner 2 51mm Coin de Parole Adjacent Ceiling 36 914mm Plafond Vent pipe to wall surfaces Sides 1 25 4mm Entre le conduit de ventilation et les surfaces murales For use with Natural Gas and L P Gas Propane A conversion kit as supplied by the manufacturer Shall be used to convert th
19. LENNUX HEARTH PRODUCTS www nficertified org We suggest that our gas hearth products be installed and serviced by professionals who are certified in the U S by the National Fireplace Institute NFI as NFI Gas Specialists Report 189122 1027389 WARNING IF THE INFORMATION IN THIS MAN UAL IS NOT FOLLOWED EXACTLY A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE PERSONAL INJURY OR LOSS OF LIFE FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors or liquids in the vicin ity of this or any other appliance FOR YOUR SAFETY What to do if you smell gas e DO NOT light any appliance e DO NOT touch any electrical switches e Do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow your gas suppliers instructions e f your gas supplier cannot be reached call the fire department Installation and service must be performed by a quali fied installer service agency or the gas supplier INSTALLATION AND OPERATION MANUAL FREESTANDING VENTED GAS FIRED ROOM HEATERS L20 DVF 2 shown with optional gold door and brickaded interior Models L20 BF 2 B Vent and L20 DVF 2 Direct Vent RETAIN THIS MANUAL FOR FUTURE REFERENCE P N 775 021M Rev C 8 04 Model L20 DVF 2 may be installed in an aftermarket permanently located manufactured mobile home where not prohibited by local codes AVERTISSEMENT ASSUREZ VOUS DE BIEN SUIVRE
20. ON AD JUSTMENT ALTERATION SERVICE OR MAINTENANCE CAN CAUSE INJURY AND OR PROPERTY DAMAGE IN STALLATION AND SERVICE MUST BE PERFORMED BY A QUALIFIED INSTALLER SERVICE AGENCY OR THE GAS SUPPLIER EXCEPT WHEN COMPLYING WITH LOCAL CODES ANY DEVIATION FROM THE INSTALLATION AND OR OPERATING INSTRUCTIONS CONTAINED IN THIS MANUAL WILL VOID THE APPLIANCE WARRANTY AND MAY BE HAZARDOUS DUE TO HIGH TEMPERATURES THIS APPLIANCE SHOULD BE LOCATED OUT OF TRAFFIC AND AWAY FROM FURNI TURE DRAPERIES AND NOT IN WINDY OR DRAFTY AREAS THE APPLIANCE MUST NOT BE CONNECTED TO A CHIM NEY FLUE SERVING A SEPARATE SOLID FUEL BURNING APPLIANCE MODEL L20 DVF 2 IS EQUIPPED WITH A RELIEF DOOR IN CASE OF DELAYED IGNITION BLOWBACK IF THE RELIEF DOOR OPENS REMOVE BACK PANEL AND INSPECT FOR GASKET DAMAGE IF NECESSARY REPLACE WITH FAC TORY SUPPLIED GASKET ONLY CONFIRM RELIEF DOOR IS CLOSED AND PROPERLY SEATED THEN REPLACE BACK PANEL CAUTION HOT WHILE IN OPERATION AN APPLIANCE HOT ENOUGH TO WARM YOUR HOME CAN SEVERELY BURN ANYONE TOUCHING IT KEEP CHILDREN CLOTHING AND FURNITURE AWAY CONTACT MAY CAUSE SKIN BURNS DO NOT LET CHILDREN TOUCH THE APPLIANCE TRAIN THEM TO STAY A SAFE DISTANCE FROM THE UNIT DO NOT PLACE CLOTHING OR OTHER FLAMMABLE MATE RIAL ON OR NEAR THE GAS APPLIANCE THE MINIMUM CLEARANCES MUST BE MAINTAINED FOR ALL COMBUSTI BLE SURFACES AND MATERIALS INCLUDING FURNITURE CARPET DRAPES CLOTHING WOOD PAPERS ETC NEVER SEAL T
21. OW HIGH Natural Gas 1 8 3 WC to 3 5 3 WC 17 000 BTU hr 26 000 BTU hr Propane LP 6 6 3 WC 17 000 BTU hr 10 3 WC 24 000 BTU hr to Note WC Inches Water Column PRESSURE TAPS Gas Inlet Pressure Tap Located on bottom left of gas valve Gas Outlet manifold pressure tap Located on bottom right of gas valve Gas Control Valve Convertible HI LO x Pilot Adjustment Screw Regulator Regulator Gas Control Knob Piezo Igniter Pressure Terminals Tap Outlet Pressure Tap Pressure Testing See Pressure Testing on page 12 AIMPORTANT Appliance gas valves can be damaged if subjected to more than 1 2 psig 3 48 kPa pressure There fore when pressure testing the gas supply piping system in this pressure range the appliance gas E valve must be disconnected and isolated PLANNING YOUR INSTALLATION QUESTIONS TO ASK THE LOCAL BUILDING OFFICIAL Correct installation is critical and imperative for reducing fire hazards and perilous conditions that can arise when gas appli ances function improperly The appliance must be installed per manufacturers instructions Gas appliance equipment and installations must conform to appropriate local codes and applicable state and federal re quirements Familiarity with these requirements before instal lation is essential Important considerations to discuss with local building officials include 1
22. ZARD AND SHOULD BE PLUGGED DIRECTLY INTO A PROPERLY GROUNDED THREE PRONG RECEPTACLE DO NOT CUT OR RE MOVE THE GROUNDING PRONG FROM THIS PLUG WARNING TO AVOID ELECTRICAL SHOCK ALWAYS ENSURE THAT THE POWER CORD IS UNPLUGGED LE THERE IS NO ELECTRICAL POWER TO THE CIRCULATION BLOWER BEFORE HANDLING THE CIRCULATION BLOWER OR PERFORMING ANY WORK ON THE APPLIANCE High Altitude Gas inputs shown are for elevations up to 4500 feet For elevations above 4500 feet contact your gas supplier or qualified service technician regarding the necessary dera tion of appliance deration replacing burner orifice with a smaller one to reduce input Ratings must be reduced at the rate of 4 percent for each 1 000 feet above sea level Refer to for USA NFPA 54 ANSI 7223 1 latest edition for orifice resizing TOOL EQUIPMENT LIST The following tools and equipment are recommended for com pleting the partial assembly required when the appliance is installed e 7 16 3 4 open end wrenchs 1 4 3 8 nut drivers Pipe wrench Phillips head screw driver Flat head screw driver Pipe sealant compound Leak test fluid U tube manometer or pressure gauge 0 16 inches water column H20 scale PAGE 4 GAS PRESSURE WC Water Column Minimum inlet gas supply pressure for the purpose of input adjustment Natural Gas 4 5 WC min 7 0 WC max Propane LP 11 WC min 13 0 WC max Manifold gas supply pressure L
23. ame or smoke is blown out or away from the opening spillage is present and corrective action should be taken before operating the appliance see bullets under Spill Switch on this page Stove Back Spill Switch 5 Reinstall Rear Access Panel see Fig 1 PAGE 24 REPLACEMENT PARTS Models L20BF 2 amp L20 DVF 2 Mem amp Catalop amp Description Where Used 8237 Blower Air Circulating S OA Disc High Limit Manual Reset Spill Switch L250 30F Rheostat speed control for blower 6 12058820 Power Cord blower On Off Switch Burner 8 6498 Control Valve NG with LP Conv Kit 9 52L15 Pilot Assembly NG Orifice 40 NG 0 4500 1370m Orifice 53 LPG 0 4500 1370m Burner Assembly 17M62 Log Set For the location of the nearest Dealer for replacement parts contact Lennox Hearth Products 1110 West Taft Avenue Orange CA 92865 PAGE 25 OPTIONAL ACCESSORIES Models L20BF 2 amp L20 DVF 2 Item Catalog Model Description 14M07 DK2 G Door Kit L20 Gold 14M05 BRK L20 Brickaded Interior Kit L20 Deluxe Remote Control Thermostatically controlled Remote Control Standard On Off Wall Thermostat Kit Touch up Spray Paint Kit Charcoal Glowing Embers 1 oz bag Je 0 0 28 ej 6 4 2 amp PAGE 26 SPECIFICATIONS Model L20 BF 2 Flue Size 4 Top Ve
24. around air openings and adequate clearances for purposes of servicing and proper operation As determined through the safety certification of this unit a mini mum clearance to combustible materials must be maintained around specific areas of the gas appliance Refer to Figures 1 through 3 The clearances listed here are minimum distances and only apply in the configuration shown Do not use clearances from one installa tion configuration with clearances from another to obtain closer clearances Top of appliance min 36 inches This includes any projections such as shelves window sills mantels etc above the appliance Back Wall 2 inches side Wall 12 inches Corner 45 angle 2 inches stove corners to wall Ceiling Minimum 65 inches from floor Alcove Min Height 65 inches from floor Alcove Min Width 4T inches Alcove Max Depth 24 inches from unit face The stove can not be placed deeper into an alcove than 24 from the stove face to alcove opening Floor 0 inches MANUFACTURED MOBILE HOME REQUIREMENTS Model L20 DVF 2 may be installed in an aftermarket permanently located manufactured home where not prohibited by local codes When installed in Manufactured Housing the following supplemental requirements must be met gt The appliance must be secured to the floor Use the 3 4 20x2 34 bolts which secured appliance pedestal base to the wooden pallet for securing appliance to the man
25. cted a simple spillage test can be conducted to confirm or out rule a spillage condition see Spillage Test on this page ACCESSING AND RESETTING SPILL SWITCH 1 UNPLUG BLOWER POWER CORD 2 Using a 1 4 nut driver remove Rear Access Panel see Fig 1 Stove Back SIS Mtas inis ER Saaaa a Rear Access Remove screws indicated by arrows p Fig 1 b ss 3 Locate Spill Switch and press the red button in the center of the switch press in firmly until button stays depressed See Fig 2 3 amp 4 4 Perform Spillage Test prior to reinstalling Rear Access Panel see Spillage Test Procedure on this page Spill Switch Press In This Red Reset Button Fig 3 SPILLAGE TEST PROCEDURE A flue spillage test is recommended as part of the installation and periodically afterwards 1 Remove Rear Access Panel if necessary Fig 1 2 Close all the doors and windows in the room Turn ON all exhaust fans in the home 3 Light the appliance Adjust burner flame to highest setting and operate for approximately 10 minutes before checking for spillage 4 Use an open flame preferably a wooden match or smoke cigarette burning rope to determine if spillage is present To test for spillage move the flame or smoke device across the opening at the bottom of the draft hood as shown be low If the flame or smoke is drawn into the opening there is no spillage If the fl
26. e 9 Wait five 5 minutes to clear out any gas Then smell for gas in cluding near the floor If you smell gas STOP Follow B in the safety information above on this label If you don t smell gas go to the next step 6 Visually locate the pilot located in the center of the firebox beneath the rear ceramic log 7 Turn knob on gas control counterclockwise C to PILOT 8 This appliance contains a spark ignition system piezo igniter which is used to light the pilot Push in the gas control knob all the way and hold it in Immediately press the button on the piezo igniter located to the left of the gas control knob The spark produced by the piezo igniter should light the pilot Continue to hold the control knob in for about one 1 minute after the pilot is lit Release the gas control knob and it will pop back up Pilot should remain lit elf it goes out repeat steps 4 through 8 elf the knob does not pop up when released stop and immediately call your service technician or gas supplier elf the pilot will not stay lit after 3 or 4 tries turn the gas control knob to OFF and call your service technician or gas supplier 1 Turn gas control counterclockwise C to ON Use rocker switch located either on the control panel or the exterior side panel to operate main burner Adjust variable pressure dial RB Regulator Flame Height Control to set burner flame to desired heat output 2 Swing the control access d
27. e a side walk or paved ariveway which is located between two single family dwell ings and serves both dwellings Only permitted if veranda porch deck or balcony is fully open on a minimum of 2 sides beneath the floor Note Local Codes or Regulations may require different clear ances INSTALLATION MODEL L20 BF 2 ONLY This appliance is designed to be vented with a 4 B Vent pipe Each B Vent appliance must use its own separate vent system For pipe clearances also see pipe manufacturers venting instructions B Vent Installation Illustration Approved for vertical termination only Vertical Termination Only Firestops must be used when vent pipe passes through a floor or ceiling Horizontal runs ee require 7 rise ee per foot Max See chart 5 Feet below to Min determine horizontal run allowed Model L20 BF 2 Maximum Horizontal Pipe Runs for Given Vertical Pipe Run in feet Vertical run 5 e g 10 15 00 in feet Maximum horizon 4 6 9 10 15 90 tal run in feet Note Maximum allowable horizontal pipe run is 20 feet PAGE 11 Vent Configuration Requirements A minimum of 5 feet vertical pipe is required to vent the ap pliance Lengthy horizontal pipe runs require sufficient length of vertical pipe to deliver adequate draft Use the table above as a guide in planning your installation The use of multiple 45 or 90 elbows should be compensat
28. e minimum Orifice 93 dms Grandeur de l injecteur Manifold Pressure 10 w c c e Pression a la tubular d alimentation Min Supply Pressure 11 w c c e Pression d alimentation minimum Electrical Rating 115 V 60 HZ Alimentation Electrique less than 12 A Minimum Clearances to Combustibles Degagements Minimum Des Materiaux Combustible Sidewall 12 305mm Mur Lateral Backwall 2 51mm Parole arri re Adjacent wall corner 2 51mm Coin de parole adjacent Ceiling 36 914mm Plafond Vent pipe to wall surfaces Top 3 76mm Entre le conduit de ventilation et les sides 1 25 4mm surfaces murales Bottom 1 25 4mm For use with Natural Gas and L P Gas Propane A conversion kit as supplied by the manufacturer shall be used to convert this room heater to the alternative fuel Pour utilisation avec le gaz natural et le propane Une trousse de conversion fournie par le fabricant doit etre utilisee pour passer d un combustible a l autre This vented gas fireplace heater is not for use with air filters Ne pas utiliser de filtre air avec ce foyer au g vacuation This appliance is only for use with the type o as indicated on the rating plate and may be installed in an aftermarket permanently located manufactured mobile home where not ee by local codes See owner s manual for details This appliance is not convertible for use with other gases unless a certified kit is used Cet appareil doit etre utilise uniquement avec le ty e de gaz ind
29. ed by providing addi tional vertical pipe run The B Vent unit has a 4 B Vent flue collar and may be in Stalled with listed B Vent piping and components Refer to the pipe manufacturer s installation instructions for specific requirements for their product Maintain proper clearances to combustible materials as specified by the pipe manufacturer Whenever vent pipe is run horizontally maintain a minimum 1 4 rise per foot Exterior B Vent exhaust systems should be enclosed in a chase to avoid rapid cooling of exhaust gases in the vent Such cooling could produce condensation of flue gases or exhaust gas spillage The use of a chase is highly recommended in colder climates Notes Y Maximum total offsets allowed Not to exceed 180 de grees v Also see pipe manufacturers instructions for additional vent installation requirements Horizontal vent clearances 3 minimum top 1 mini mum on bottom and sidewalls Vertical vent clearances 1 minimum v install vent support brackets every 4 feet of vertical pipe unless otherwise specified by vent manufacturer v For vent termination requirements see page 10 INSTALLATION GAS SUPPLY HOOKUP ALL MODELS If using pipe other than black iron pipe see NFPA 54 National Fire Pro tection Association ANSI Z223 1 American National Standards Institute and local code for specific requirements for the type of pipe used Alter native gas piping systems such as CSST may be used subject t
30. emove soot dust or debris that may have accumu lated on the burner or log set Remove the logs and burner and clean them outside the home in a location with plenty of fresh air ventilation Avoid breathing fine particulates of dust that may be generated See page 14 nstalling Log Set for instruc tions on reinstalling logs Replacing Logs If logs become damaged by accident or im proper handling and need replacement use only the proper re placement logs from manufacturer which can be purchased from your local dealer See Page 25 CLEANING BURNER With the logs removed vacuum out any foreign matter lint carbon etc on the burner Be sure the burner ports are open CLEANING VALVE AIR VENTURI Clean all lint and dust build up around the control valve and air shutter on the venturi Inspect and clean with a brush or wire the inlet of the venturi for any spider webs or lint accumulation Burner Assembly Air Shutter 4 F Ensure opening is clear from lint dust spider webs debris etc INSPECT WIRING CAUTIONS 1 Label all wires prior to disconnection when servicing con trols Wiring errors can cause improper and dangerous op eration 2 Verify proper operation after servicing 3 Inspect and clean all wire connections Ensure that there is no melting or damage from rodents Inspection should in clude e Terminals at the valve e On Off switch e Wall Thermostat Remote Control optional
31. ent and improper com bustion could occur and result in excessive production of carbon monoxide CO a colorless odorless toxic gas This appliance is equipped with a five piece log set Carefully install the logs into the firebox as shown on this page All logs should fit down onto pins and mounts provided This will en sure a proper flame and safe combustion 1 Carefully place the largest log in the rear of the firebox as shown in the following illustration 0 9 Install the left top twig as shown in the following illustra tion 2 Install the front log and embers as shown in the following illustration Glowing Embers Two packages of ember material have been included with the gas appliance Unpackage and divide the fine ember material mineral wool into thumbnail sized pieces Distribute the pieces over the top of the front burner ports filling the area in front of the forward log and running the full length of the burner x r 3 Install the right top twig as shown in the following illustra tion PAGE 14 INSTALLATION INSTALLATION CHECK LIST ALL MODELS Read and understand these instructions before using ap pliance Go through this installation checklist a Ensure that the log set is properly installed Use cau tion when handling the logs See page 14 Reinstall the door frame assembly See Door Assem bly on this page WARNING DO NOT OPERATE APPLIANCE WITH THE GLASS FRONT REMOVED
32. ge 20 Cleaning Glass fective burner control switch thermostat vent spill switch or thermopile Hue vent is blocked flue gas is spilling which activates the safety switch and shuts down the appliance B Vent The house is negatively pressurized a Loose fittings may be allowing gas to leak out Burner primary air inlet is restricted or blocked Flames make contact with logs or other sur faces Improper venting structions found in the appliance of this owner s manual Check for multiple gas shut offs check gas supply lines Ensure thermocouple is fully inserted into pilot assembly Replace thermocouple Position the burner control switch to ON or adjust the thermostat Refer to manufacturer s instructions for thermostat Refer to Control and Safety Wiring Diagram page 22 and check electrical connections Refer to Control and Safety Systems Wiring Diagram page 22 Electrically bypass com ponents one at a time and replace defective item See page 24 for Spill Switch trouble shooting Examine venting system for blockage Re move any blockage Open a window to see if the problem is cor rected See page 24 for Spill Switch trouble shooting Check all joints for leakage pilot assembly gas supply system main burner assembly pi lot and burner adjustment screws Use a proper leak check solution WARNING Never use an open flame to check for leaks Be sure all openings fresh air inlet
33. gth N A SV OLBA 1 2 6 Adj Black Pipe Length N A SV 0 E45 45 Elbow Galvalume 945 SV 0 EB45 45 Elbow Black 945B 45 Elbow Black SV 0 E90 90 Elbow Galvalume Swivel 990G 90 Elbow Galvanized Swivel SV 0 EB90 90 Elbow Black Swivel 990BG 90 Elbow Black Swivel 90 Elbow Galvalume 90 Elbow Galvanized 90 Elbow Black 90 Elbow Black Horzontal Standard Term Cap Horizontal Standard Term Cap Horizontal High Wind Term Cap Horizontal High Wind Term Cap e Vertical Termination Cap e Vertical Termination Cap e Vertical High Wind Cap e Vertical High Wind Cap Snorkel Termination Cap 36 Snorkel Termination Cap 36 Snorkel Termination Cap 14 Snorkel Termination Cap 14 Vinyl Shield Protector Vinyl Siding Standoff Round Ceiling Support Round Ceiling Support Wall Thimble Cover Wall Thimble Cover Cathedral Ceiling Support Box decorative square Cathedral Ceiling Support Box Black Plate Decorative Round Ceiling Support BoxAWall imble otorm Collar Wall Radiation Shield Firestop 45 Elbow Galvanized 990B OV 0 CHC OV 0 CHCV oV 0 CPB OV 0 CGV OV 0 STC36 OV 0 STC14 983 991 981 982 950 SVOVS OV 0 CSB OV 0 SF OV 0 941 N A 942 Round Ceiling Support BoxAWall imble SVO Storm Collar SV 0 RSM SV 0 BF 953 N A N A 963 N A Firestop Spacer X D c SV OF Flashing Flat Roof storm collar included SV OFA Flashing Adjustable roof 1 12 7 12 storm collar
34. hes use 600 grit sand paper instead Mask off surfaces you do not want painted Paint lightly over the bare surface first as this will act as an undercoat Then paint over a larger area in smooth even strokes to blend see Break In Period on page 17 for information on curing the paint CLEANING GLASS The window on the gas appliance is made from a clear ceramic material and may be cleaned when cool with any non abrasive product designed for use on glass windows Do not use abra sive cleaners on glass The viewing glass should be cleaned periodically Exterior glass may be cleaned with a glass cleaner as desired Interior glass use soap and water or commercial glass cleaner recommended for stove glass Note Each time the appliance is lit it may cause condensation and fog on the glass This condensation and fog will disappear in a few minutes CLEANING BLOWER INTAKE The blower air intake requires cleaning at least once a year to remove lint dust etc If there are pets in the dwelling the intake should be cleaned at least twice a year PAGE 20 MAINTENANCE Always Turn Off Gas Control Valve Before Cleaning Annual Maintenance Should Only Be Performed By A Qualified Service Technician ALL MODELS PERIODIC CHECK OF PILOT AND BURNER FLAMES Check the operation of the pilot and cycle the burner Visually check the flame of the burner making sure the flames are steady not lifting or floating The flame color should be blue a
35. ique sur la plaque signaletique et puet etre installe dans une maison prefabriquee mobi D inst ee a demeure si les reglements locaux le permettent Voir la notice du proprietaire pour plus de details Cet appareil ne peut etre converti a d autres gaz sauf si une trausse de conversion certifee est utilisee For use with glass doors certified with the appliance only Pour utilisation uniquement avec les portes en verre certifie s avec l appareil Manufactured by Lennox Hearth Products Burlington WA 20120020 REV B PAGE 30 OWNERSHIP RECORDS Dealer s Name Dealer s Address City otate Zip Code Serial Number Date of Purchase Date Installed Notes SERVICE AND MAINTENANCE LOG service Service Service Date Technician Description PAGE 31 NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE LENNOX reserves the right to make changes at any time without notice in design materials specifications prices and also for discontinued colors styles and products 6 Consult your local distributor for fireplace code information HEARTH PRODUCTS Printed in U S A LENNOX HEARTH PRODUCTS 2001 P N 775 021M REV C 08 2004 1110 West Taft Avenue e Orange CA 92865
36. ired if Propane gas is used This appliance is designed to operate on natural gas or propane LP It is factory set for use with natural gas and requires field conversion for use with propane The use of other fuels or com bination of fuels will degrade the performance of this system and may be dangerous When converting to Propane Gas LP it may be necessary to install as a minimum 3 feet of vertical pipe from the appli ance prior to an offset to ensure optimum product performance This may be necessary due to variations in vent configuration and other numerous factors which affect exhaust flow and air delivery such as BTU value ambient temperature wind condi tions altitude etc The conversion kit provided with this appliance contains com ponents required to convert this appliance from use with natural gas to use with propane LP Gas All of the components in the propane conversion kit must be installed in order for the appli ance to operate safely on propane Installation Tools Supplies 7 16 Open end wrench small standard screwdriver Pipe sealant compound must be rated for use with LPG gas Parts List e Propane RB Regulator conversion screw Red indicates LP gas e Burner Orifice f you are at an elevation above 4500 feet do not use the orifice provided in this kit Contact your gas supplier to obtain a smaller orifice Pilot Orifice e Label Converted to LP Propane Affix to valve e Label Converted
37. is room heater to the alternative fuel Pour utilisation avec le gaz natural et le propane Une trousse de conversion fournie par le fabricant doit etre utilisee pour passer d un combustible a l autre This vented gas fireplace heater is not for use with air filters Ne pas utiliser de filtre air avec ce foyer au gaz vacuation For use with glass doors certified with the appliance only Pour utilisation uniquement avec les portes en verre certifie s avec l appareil Manufactured by Lennox Hearth Products Burlington WA 20220030 REV B PAGE 29 SAFETY LISTING LABEL RATING PLATE Model Name L20 DVF 2 Vented Gas Fireplace Heater Foyer au gaz evacuation Serial Number L20 DVF 2 VENTED GAS FIREPLACE HEATER No de Serie NOT FOR USE WITH SOLID FUEL FOYER AU GAZ VACUATION sie an NE PAS UTILISER AVEC DU COMBUSTIBLE SOLIDE WG colina Tested to ANSI Z21 88a 2003 Controls V88520 CSA 2 33a 2003 Vented Gas Fireplace Heater Natural Gas Model L20 DVF 2 Natural Gaz Modele L20 DVF 2 Input 0 4500 26 000 Btu hr Alimentation 0 1370m Minimum Input 17 000 Btu hr Puissance minimum Orifice 40 dms Grandeur de l injecteur Manifold Pressure 3 5 w c c e Pression a la tubular d alimentation Min Supply Pressure 4 5 w c C e Pression d alimentation minimum Propane Gas Model L20 DVF 2 Propane Gaz Modele L20 DVF 2 Input 0 4500 24 000 Btu hr Alimentation 0 1370m Minimum Input 17 000 Btu hr Puissanc
38. ke sure the ori fice is inserted fully into the primary air shutter fixed opening 5 Adjust primary air shutter Burner Air Shutter opening to be Natural Gas 1 4 open Propane 1 2 open Some adjustment from standard may be necessary for the desired flame char acteristics see Burner Flame Appearance page 21 6 Replace Pilot Orifice Using a 7 16 open end wrench re move the pilot burner hood Replace the pilot orifice with the one supplied in the propane conversion kit Then reinstall the pilot burner hood Ensure that the mark on the pilot hood is lined up with the mark on the pilot mounting plate PAGE 18 PROPANE CONVERSION 7 High Low Pressure Regulator Installation Procedure a Remove regulator cap and conversion screw see follow ing illustration b Install the new conversion screw Red Propane LP gas Blue Natural Gas Ensure that the conversion screw is finger tight Install the new regulator cap C Affix conversion label on gas control valve body where it can easily be seen Color Code indie 1 B MIN MN Reinstall burner cover logs ember wool ceramic rocks and glass front Purging Air from Supply Line This should only be done by a qualified amp licensed where applicable professional Check with your local building official for qualifications required to perform this proce dure PAGE 19 10 Purge air from the gas line see 79 above then connect propane gas line t
39. le at your local authorized Lennox Hearth Products dealer Never attempt to paint a hot stove COMBUSTION CHAMBER RELIEF DOOR This appliance is equipped with a relief door in case of delayed ignition blowback If the relief door opens remove back panel and inspect for gasket damage If necessary replace with fac tory supplied gasket only Confirm relief door is closed and properly seated then replace back panel PAGE 17 CIRCULATION BLOWER OPERATION The speed of the circulation blower is controlled using the speed control rheostat see following illustration on the left hand side of the control panel The blower system is designed with a variable speed control allowing an infinite range of blower settings to meet the customer s needs With the rotary switch turned fully CCW O the blower is off Turning the switch CW O will activate the blower at its maximum speed Further rotation of the switch in the CW direction will reduce the speed of the blower At approximately 270 of CW O rota tion the switch provides a minimum setting for blower speed Thermostatic feature With the control switch in any ON po sition the circulation blower is designed to automatically begin operation approximately 12 minutes after lighting the main burner The blower will turn off approximately 15 minutes after the main burner is shut off SIDE VIEW SHOWN KNOB RHEOSTAT PROPANE CONVERSION PROPANE CONVERSION PROCEDURE ALL MODELS Only requ
40. lued customer with an appliance that will ensure you years of trouble free warmth and pleasure Thank you for selecting a Lennox Hearth Products gas fired heater as the answer to your home heating needs Sincerely All of us at Lennox Hearth Products PACKAGING LIST This appliance is packaged with an accessory package which contains the following One Installation and operation instructions manual One Warranty One Log set and embers One LP conversion kit One 9ft electrical power cord USING THIS MANUAL Please read and carefully follow all of the instructions found in this manual Please pay special attention to the safety instruc tions provided in this manual Following the Homeowner s Care and Operation Instructions included here will assure that you have many years of dependable and enjoyable service from your appliance PLANNING YOUR INSTALLATION LOCAL AND NATIONAL CODE REQUIREMENTS The installation of these appliances must conform with local codes or in the absence of local codes with the National Fuel Gas Code for USA NFPA 54 ANSI 7223 1 latest edition Air Circulation Blower The blower electrical power cord must be electrically grounded per local codes or per electrical codes In USA NEC ANSI NFPA 70 latest edition In Canada CSA C22 1 WARNINGS ELECTRICAL GROUNDING INSTRUCTIONS THIS APPLIANCE IS EQUIPPED WITH A THREE PRONG GROUNDING PLUG FOR YOUR PROTECTION AGAINST SHOCK HA
41. ly 1 4 open for Natural Gas and approximately 1 2 open for LP Gas See page 15 Burner Air Shutter NOTE During periods of high natural gas demand the gas supplier may add make up gases to the pipeline This addi tion will change the composition of the supply gas and may cause a change in burner flame appearance You may also notice soot formation on the logs and viewing windows Check with your gas supplier if you suspect a change in the composition of your gas supply WIRING DIAGRAMS GAS CONTROL AND SAFETY SYSTEM WIRING DIAGRAM CAUTION Label all wiring prior to disconnection when servicing controls Wiring errors can cause improper and dangerous opera tion Verify proper operation after servicing The gas control wiring diagram shown here should be used by service technicians for guidance when troubleshooting problems with the pilot safety millivolt system or burner remote control system or when locating system components for repair replacement Note If replacement of any of the original wire is necessary use 105 C thermoplastic wiring MODEL L20 BF 2 MODEL L20 DVF 2 Igniter Gas Thermopile Igniter p Thermopile ile j ilo if Pilot Thermocouple Assembly Pilot Assembly Burner ON OFF Switch Wall Thermostat optional L Vent Spill Wall Thermostat Switch optional CIRCULATING BLOWER WIRING DIAGRAM ALL MODELS L Microswitch for Thermostatic gonroccanehcignt Control Switch
42. neys or gas vents dumb waiters or elevator shafts Piping should be sloped 1 4 per 15 feet 6mm per 4 6m up ward toward the meter from the appliance The piping must be supported at proper intervals every 8 to 10 ft 2 4m to 3 1m using suitable hangers or straps The gas supply line must be purged of air before it is connected to the appliance An accessible approved shut off valve must be installed up stream of any connector so that the appliance may be isolated to allow service removal and replacement within six feet of the appliance per NFPA 54 or twelve inches in some codes A shut off valve is provided with this appliance IMPORTANT In case emergency shut off is required shut off main manual gas valve and disconnect main power to appliance These devices should be properly labeled by the installer PRESSURE TESTING e he appliance main gas valve must be disconnected from the gas sup ply piping system during any pressure testing of that system at test pressures in excess of 1 2 psi 3 5 kPa e The appliance must be isolated from the gas supply piping system by closing its individual manual shut off valve during any pressure test ing of the gas supply piping system at test pressures equal to or less than 1 2 psi 3 5 kPa Make the connection to the gas supply line using the correct fitting required to the shut off valve Install a drip leg where condensates might accumulate Sedi ment traps like drips and c
43. nt Top View Height Overall 29 Height to Flue Outlet 2094 Width 23 Depth 15 Fuel Natural Gas standard or LP Gas convertible Gas inlet 3 0 NPT Male Flex Line or remove flex 3 8 NPT Female Flare Performance Variable Flame Control Features High Efficiency Heat Exchanger Natural Convection amp Radiant Heat Standing Pilot Operates During Power Outages Remote Control amp Wall Thermostat Capable Technical Honeywell Combination Gas Control Features Valve Millivolt VS8520E Safety Shut Down Sensor Spill Switch Pan Burner with Tuned Ports Radiant amp Fan Assisted Convection Heat Safety Test Tested and certified by CSA to ANSI standards 21 88a 2003 e CSA 2 33a M98 2003 Vented Gas Fireplace Heater Heat Input 17 000 to 26 000 BTU s Nat Gas 17 000 to 24 000 BTU s Propane ship Weight 185 lb s Dimensions shown are approximations only 4 SPECIFICATIONS Orifice Size 40 098 53 0595 Back Wall Min 2 In 51 mm Minimum Supply Pressure 4 5 WC 10 5 WC oide Wall Min 12 In 305 mm Maximum Supply Pressure 10 5 WC 13 0 WC Corner 45 angle s HIGH SETTING stove corner to wall min 2 In 51 mm Manifold Pressure 3 5 WC 10 0 WC Ceiling Height Minimum 65 In 1651 mm Input BTU HR 26 000 24 000 Alcove Min Height 65 In 1651 mm LOW SETTING Alcove Min width 47 In 1194 mm Mainfold Pressure 1 8 WC 6 6 WC Alcove Max Depth in
44. o local code and proper sizing A CAUTION To avoid pipe compounds from entering system apply compounds only to male pipe threads Do not apply compound to the first two threads This appliance is equipped with a flexible gas line and fitting for a gas Supply line connection Connection can be made using either the 3 8 NPT male fitting or by removing the fitting to the flex line 3 8 female flare The flex line can be routed to the gas supply through either the pedestal bottom or through the rear pedestal cover depending upon the orientation of the sup ply line Some areas may have certain restrictions against the use of flexible gas lines Check local codes The gas appliance control valve has a 3 8 NPT female type inlet for the gas supply line if hard plumbing is required If the gas supply will be routed to the appliance from the rear the flexible gas line for hookup is readily accessible If the gas supply will be routed to the appliance through the flooring re move the rear panel Redirect the flexible gas line through the large hole in the center of the pedestal base for gas supply con nection A gas supply line must be run to the appliance by a qualified professional The plumbing of the gas line must comply with National Standards NFPA 54 National Fire Protection Associa tion ANSI 7223 1 American National Standards Institute and local code Gas piping must not run in or through air ducts clothes chutes chim
45. o the appliance Connect the fuel line to the insert inlet 1 2 NPT fitting using the fitting required 11 Perform leak Test CAUTION After this procedure is complete with appli ance installed and connected to gas line recheck the pilot connection and manifold fittings for leaks using soapy water or a gas leak detector 4 Lighting Procedure See page 15 NOTE If the gas control knob is turned to the off posi tion after pilot has been lit the appliance must be allowed to cool for at least five minutes before pilot flame can be relit 13 Apply the propane conversion label to the rating label The Appliance is ready for use with propane fuel as its only fuel REFERENCE INFORMATION oee pages 4 27 and 28 of this manual for the following refer ence information Manifold Gas Pressure Inlet Gas Pressure Input Ratings BURNER FLAME APPEARANCE A periodic visual check of burner flames should be performed The burner flame should appear as indicated on page 21 Burner Flame Appearance MAINTENANCE Always Turn Off Gas Control Valve Before Cleaning Annual Maintenance Should Only Be Performed By A Qualified Service Technician ALL MODELS LOG SET Removing amp Cleaning Logs Carefully remove the logs remov ing top logs then lifting front log out then rear log Use care when handling the fiber logs as they become quite fragile after curing Use a small soft bristled brush e g a nylon paint brush to r
46. ollection tees are required to be installed Traps collect moisture and intercept and hold foreign objects which might block orifices and valves A drip leg should be installed in vertical pipe runs to the appliance Supply Line Size Requirements The proper gas line diameter must be used to run from the sup ply regulator at the gas company meter to the appliance Never use galvanized or plastic pipe Refer to the table below for suggested sizing of the gas supply line Suggested Sizing of Schedule 40 Pipe Supply Line schedule 40 Pipe Inside Diameter Inches wet 3 35020 mo o Use an approved pipe sealant compound for NPT fittings After all pipe connections are made apply normal gas line pressure 7 0 W C for natural gas 11 0 W C for LP gas propane and use an approved leak detection solution to test for the tightness of each pipe connection joint A IMPORTANT Compounds used on threaded joints of gas piping must be resistant to the actions of liquified petroleum gases IMPORTANT All connections must be checked for leaks with a leak detec tor or soapy water solution Never check for gas leakage with an open flame ACAUTION Some soaps used for leak detection are corrosive schedule 40 Pipe Length Feet to certain metals Carefully rinse piping thoroughly after leak test has been completed Do not use matches candles flame or other sources of igni tion to check for gas leaks Note
47. ollowing the instructions on page 16 Care and Operation Relight the main burner in both the HI and LO positions and verify proper burner ignition and operation a Perform Spillage Test Procedure see Spillage Test Procedure page 24 Q With burner lit check to make sure that the inlet gas and mani fold pressures are correct see Gas Pressure page 4 Verify that the pilot and main burner ignition and operation are correct NOTE Upon the initial firing of your new gas stove you may notice an odor This may last up to two hours It is recommended to open the windows to allow fresh air to circulate into the room see Break In Period page 17 WARNING IF THE PILOT DOES NOT LIGHT AFTER 1 MINUTE WAIT AT LEAST 5 MINUTES FOR GAS TO CLEAR BEFORE ATTEMPTING AGAIN PAGE 15 CARE AND OPERATION ALL MODELS FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not follow these instructions ex actly a fire or explosion may result causing property damage personal injury or loss of life A This appliance has a pilot which must be lit 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 e Do not touch any electric switch do not use any phone in your building e Immediately call
48. oor closed 3 Turn on electrical power to the appliance plug in blower power cord See page 17 Circulation Blower Operation TO TURN OFF GAS TO THE APPLIANCE 1 Turn off all electric power to the appliance if service is to be per formed 2 To gain access to the gas controls swing the control access door open The control access door is located directly under the window 3 Push in gas control knob slightly and turn clockwise to OFF NOTE Knob cannot be turned from PILOT to OFF unless knob is pushed in slightly Do not force 4 Swing the control access door closed PAGE 16 CARE AND OPERATION ALL MODELS BREAK IN PERIOD The finish on this appliance is a high temperature paint that requires time and temperature to completely cure The curing process will take 2 or 3 burns heat up and cool down peri ods We recommend that you ventilate the house during the initial burns The paint emits non toxic odors during this proc ess KEEP YOUR HOUSE WELL VENTILATED DURING THE CURING PROCESS TO PREVENT ACTIVATION OF YOUR HOME SMOKE DETECTOR Do not turn on a blower during the break in process Do not place anything on the stove surface until the paint is com pletely cured Do not attempt to repaint the stove until the paint is completely cured If the surface later becomes stained or marred it may be lightly sanded and touched up with spray paint See Small Area Paint Touch Up page 20 Paint is avail ab
49. revent potentially harmful gases from entering your home in the event of a blockage in the vent system Once the switch has been activated the burner cannot be relit until the switch is reset manually see Accessing and Resetting Spill Switch on this page Repeated tripping of the switch may indicate there is an obstruction in the venting system Other possible causes for the spill switch tripping are listed below ordered from most likely to least likely Note En sure that appliance is cold before performing any checks Troubleshooting Check List Qualified Technicians Only a Flue Blockage Check venting system for blockage e g bird nest damage etc Q Down draft Is a high wind termination cap installed Q Examine entire venting system for faults such as discon nected joints or damaged vent sections Q Check the vent sizing according to specifications and vent configurations correct venting system if necessary a Inadequate make up air supply in the dwelling resulting in negative pressure inhibiting exhaust flow of the appliance evaluate and determine ways to increase make up air if nec essary within the area of the installation Q Defective spill switch very rare Disconnect wires from Spill Switch Set Multimeter on ohms and do an ohm check between terminals on switch A O ohms reading indicates a good switch An infinite ohms of 1 reading indicates a defective or open switch If spillage is suspe
50. s in stove are free from dust and debris Recheck these areas periodically Make sure ceramic logs are in their correct positions Check for flue blockage disconnected flue improper installation Make appropriate cor rections 8 A white coating forms on windows logs and a Residues impurities being burned off e Follow cleaning guidelines outlined in the or inside walls of firebox MAINTENANCE section of this manual 9 Circulation blower makes a humming sound but there is no circulation air REFERENCE INFORMATION FOR QUALIFIED TECHNICIAN Thermopile Thermocouple Operation Thermopile Millivolt production should be a minimum of 325 MV with pilot only a Impeller blades in circulation blower are dirty b Circulation blower is defective Drop out rate TP 50 60 MV e Disconnect electrical power to circulation blower access blower and clean impeller blades as outlined in the MAINTENANCE sec tion of this manual e Replace blower TP 11 2 2 Min 3 max if longer replace thermopile Thermocouple Millivolt product ion should be a minimum of 14 MV with pilot only PAGE 23 TROUBLESHOOTING Qualified Technicians Only MODEL L20 BF 2 ONLY SPILL SWITCH This appliance is equipped with a Spill Switch which is a safety device that will shut off gas to the burner in case of sus tained back draft or flue gas spillage from the draft hood The purpose of this safety device is to p
51. t the burner with yellow body and tops Cycle unit a minimum of 2 times Watch for smooth burner ignition and shut down Burner Check flame patterns Ensure that burner flame appearance does not vary greatly from diagram shown on this page Pilot Ensure pilot flame appearance does not vary greatly from diagram shown below PILOT FLAME APPEARANCE A proper pilot flame should consist of torch like flame issuing from the pilot hood as shown in illustration below Proper Pilot Appearance PAGE 21 BURNER FLAME APPEARANCE A periodic visual check of the pilot and burner flames should be performed If either the pilot or burner flame do not show proper appearance or behavior as outlined here consult a qualified gas appliance technician A proper burner flame is shown above The burner flame should have the following characteristics after initial start up let appliance burn 15 to 20 minutes prior to accessing flame appearance Excessive impingement contact of flame with logs should not occur Rear burner flames should have yellowish tips no soot should form at burner flame tips Flames should not raise off of burner no lifting of flame Air Shutter Adjustment The flame can be adjusted to give the proper flame appearance and to prevent sooting on the window or logs by adjusting the position of the primary air shutter located at the rear center inlet to the burner The air shutter should be positioned ap proximate
52. to Input BTU HR 17 000 17 000 stove face to alcove opening 24 In 610 mm Altitude U S A 0 4 500 Ft 0 1372M No derating With the orifice manifold pressure and input ratings shown Altitude Canada 0 4 500 Ft 0 1372M No derating above For installation higher than altitudes shown above reorifice per Gas Codes This Appliance is equipped at the factory for the use with Natural Gas or Propane LP Appliances using propane must be field conversed using the LP Conversion Kit supplied with appliance PAGE 27 SPECIFICATIONS Model L20 DVF 2 Flue Size 4 Top Vent Top View Intake Pipe 6 625 6 5 8 Height Overall 30 1 2 Height 29 Width 23 Depth 15 Fuel Natural Gas standard or LP Gas convertible Gas inlet 3 8 NPT Male Flex Line or remove flex 3 8 NPT Female Flare Performance Variable Flame Control Features High Efficiency Heat Exchanger Natural Convection amp Radiant Heat otanding Pilot Operates During Power Outages Remote Control amp Wall Thermostat Capable Technical Honeywell Combination Gas Control Features Valve Millivolt V58520E Safety Shut Down Sensor Reverse Flow Safety Switch Pan Burner with Tuned Ports Radiant amp Fan optional assisted convection heat Safety Test Tested and certified by CSA to ANSI standards 421 88 1998 e CSA 2 33a M98 Vented Gas Fire place Heater Heat Input 17 000 to 26 000
53. to LP Propane Affix to stove body Avertissement cet quipement de conversion sera install par une agence qualifi e de service conform ment aux instructions du fabricant et toutes exigences et codes applicables de l autoris s avoir la juridiction Si l information dans cette in struction n est pas suivie exactement un feu explosion ou pro duction de protoxyde de carbone peut r sulter le dommages causer de propri t perte ou blessure personnelle de vie L agence qualifi e de service est esponsable de l installation propre de cet quipment L installation n est pas propre et compl te jusqu a l op ration de l appareil converti est ch que suivant les crit res tablis dans les instructions de propri taire provisionn es avec l quipement IN CANADA The conversion shall be carried out in accordance with the re quirements of the provincial authorities having jurisdiction and in accordance with the requirements of the CAN1 B149 1 and 2 Installation code La conversion devra tre effectu e conform ment aux recom mandations des autorit s provinciales ayant juridiction et con form ment aux exigences du code d installation CAN1 B149 1 ET 2 AWARNING Conversion components must be installed by a quali fied service agency in accordance with these instruc tions and all applicable codes and requirements of the authority having jurisdiction If the information in these instructions is not followed exactly a fire
54. ufactured home floor gt The appliance must be grounded to the chassis of the manufac tured home Use a No 8 or heavier copper wire at least 18 in length Model L20 BF 2 is NOT approved for Manufactured Home instal lations IMPORTANT NOTES The structural integrity of the manufactured home floor walls ceiling and roof must be maintained A manufactured mobile home installation must conform with the Manufactured Home Construction and Safety Standard Title 24 CFR Part 3280 or when such a standard is not applicable the Standard for Manufactured Home Installations ANSI NCSBCS A225 1 or Standard for Gas equipped Recreational Vehicles and Mobile Hous ing CSA 7240 4 PAGE 6 Rear Wall or Alcove 65 Inch 1651 mm Min Ceiling Height 2 Min 51 mm Corner 1 2 Min 51 mm ae ES F J J d md _ 2 Min 51 mm Rear Wall or Alcove 2 Min 51 mm 12 Min 12 Min A j 305mm Ny Ref 23 984mm 77 305 mm T rad F e Fig 3 24 Max 610 mm FLOOR PROTECTION When installed directly on carpeting etile or other combusti ble material other than wood flooring the appliance shall be installed on a metal or wood panel extending the full width and depth of the appliance see notes below e Notes 1 Ceramic tile is non combustible and does not require a wood or metal panel under the appliance 2 Models with a pedestal base
55. where base dimensions exceed width and depth of stove body qualify as the floor protection INSTALLATION MODEL L20 DVF 2 DIRECT VENT VENTING REQUIREMENTS This appliance is designed to be vented with a 4 x 6 5 8 direct vent pipe Each direct vent appliance must use its own separate vent system VERTICAL TERMINATION WITH VERTICAL TERMINATION HORIZONTAL TERMINATION NO OFFSETS WITH 2 OFFSETS WITH 1 OFFSET Min Vertical Pipe Length 5 feet Min Vertical Pipe From Appliance to first offset Min Vertical Pipe From Appliance to offset 2 Max Vertical Pipe Length 25 feet 2 feet feet Min Total Vertical Pipe Length 5 feet Max Vertical Pipe Length 25 feet Max Total Vertical Pipe Length 25 feet P P di 12Feet Max m Q For every 1 feet of i E vertical pipe from ME unit to first offset 2 MM feet of horizontal SS run is allowed not ES to exceed 12 ft For every 1 feet of vertical pipe from unit to first offset 2 feet of horizontal run is Example with a 6 ver allowed not to exceed 12 ft tical pipe off unit 12 of Example with a 6 ver horizontal run is allowed tical pipe off unit 12 of 5 Feet horizontal run is allowed uM At 2 Min Vertical 2 Max At 2 Min Vertical 2 Max 25 Feet Horizontal is allowed 5 Feet Horizontal is allowed Max Min bal 25 Feet Max LIT Horizontal runs require 4
56. your gas supplier from a neighbor s phone Follow the gas supplier s instructions e f you cannot reach your gas supplier call the fire department C Useonly 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 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 Gas Control Knobs Convertible HI LO Regulator lt Pilot Adjustment Screw Piezo Igniter Wiring Pressure Tap Outlet Pressure Tap Pilot Assemblv Igniter Pilot Electrode Hood UE l Wo amp N Thermopile I Regulator Terminals LIGHTING AND SHUTDOWN INSTRUCTIONS 1 STOP Read the safety information on this page or on label on ap pliance 2 Turn off all electrical power to the appliance unplug blower power cord Make sure the burner ON OFF switch is in the OFF position 3 To gain access to the gas controls swing the control access door open The control access door is located directly under the window 4 Push in gas control knob slightly and turn clockwise to OFF NOTE Knob cannot be turned from PILOT to OFF unless knob is pushed in slightly Do not forc

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