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HI - [ FFIC | EHT T VEHTWALLFUR # ACE INSTALLATION AND OPERATING INSTRUCTIONS P / N 72903 August 2007 MODEL NUWIBERS INSTALLER : Leave this manual with the appliance CONSUMER : Retain this manual for future NAT . GAS HEDV253A HEDV403A reference . L . E GAS HEDV254A HEDV404A Remove cabinet to access gas control knob . WARNING : If the information in these instructions are not followed exactly , a fire or explosion may result causing property damage , personal injury or loss of life . Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance . WHAT TO DO IF YOU SMELL GAS : â€¢ Do not try to light any appliance . â€¢ Do not touch any electrical switch ; do not use any phone in your building . â€¢ hnmediatety call your gas supplier from a neighbor's phone . Follow the gas supptier's instructions . â€¢ If you cannot reach your gas supplier , call the fire departlnent . INSTALLATION AND SERVICE MUST BE PER - FORMED BY A QUALIFIED INSTALLER , SERVICE AGENCY OR THE GAS SUPPLIER . NADE _ N UoS _ A _ WARNING : Operation of this furnace without the properly installed , factory furnished vent system and vent cap could result in Carbon Monoxide ( CO ) poisoning and possible death . For your safety , this furnace and the vent system should be inspected at least ammalty by a qualified se _ wice person . This appliance may be installed in an aftennarket , permanently located , manufactured home ( USA only ) or mobile home , where not prohibited by local codes . This appliance is only for use with the type of gas indicated on the rating plate . This appliance is not convertible for use with other gases , unless a certified kit is used . This unit is not approved for installation in greenhouses , or environments involving dusty , wet , corrosive , or explosive conditions . Such conditions will invalidate the warranty and may create unsafe conditions .
performedby aplumber or gas fitter licensed in the Commonwealth of Massachusetts . CONTENTS Removing Main Burner . . . . . . . . . . . . . . . . . . . . . . 11 Intro & lction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Proper Burner Flmnc . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Specifications and Dimensions . . . . . . . . . . . . . 2 Wiring Diagrmn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Sat } ty Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . 13 Clearm _ ces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 / 5 OptionalKits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 / 16 D3cation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 / 7 Maintenance Instr . / Service Record . . . . . . 17 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 / 9 Trouble Shooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 / 19 Lighting Instructions . . . . . . . . . . . . . . . . . . . . . . . . . 10 PartsDrawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Burner Orifice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Paris List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Warrmlty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 INTRODUCTION THIS IS A GAS - FIRED DRAFT INDUCED , POWER DEPENDENT DIRECT VENT WALL FURNACE THAT WILL OPERATE SAFELY AND PROVIDE AN EFFICIENT SOURCE OF HEAT WHEN INSTALLED , OPERATED AND MAINTAINED AS RECOMMENDED IN THESE INSTALLATION AND OPERATING INSTRUCTIONS . READ THESE INSTRUCTIONS THOROUGHLY BEFORE INSTALLINQ SERVICING , OR USING THE APPLIANCE . IF YOU DO NOT U2qDERSTAND ANY PART OF THESE INSTRUCTIONS CONSULT LOCALAUTHORITIES , OTHER QUALIFIED INSTALLERS , SERVICE AGENCIES , THE GAS SUPPLIER OR THE MANUFACTURER . SPECIFICATIONS AND DIMENSIONS Your Direct Vent Wall Furnace is shipped complete in one carton . This carton contains the furnace , vent cap , collector box , vent exhaust tube , air inlet tube , wall template with rough - in dimensions , installation and operating instructions , and wall thermostat . Center Model Gas Vent MAX . MIN . Input Type No . BTU / HR CFM AMPS Conn . to Floor Wall Wall Weight Width Depth Height Control ( Adj . ) THICKNESS NATURALGAS HEDV253A 100 Lbs . 24 - 1 / 2 " 9 - 3 / 4 " 2 - 1 / 4 200 1.88 3 / 8 " 12 - 1 / 2 " 32 " 5 " 25,000 " 24 _ HEDV403A 120 Lbs . 34 - 5 / 8 " 9 - 3 / 4 " 500 2.18 3 / 8 " 12 - 1 / 2 " 32 " 5 " 40,000 0 - 1 / 2 24M LE GAS HEDV254A 100 Lbs . 24 - 1 / 2 " 9 - 3 / 4 " 32 - 1 / 4 " 24V 200 1.88 3 / 8 " 12 - 1 / 2 " 32 " 5 " 25,000 HEDV404A 120 Lbs . 34 - 5 / 8 " 9 - 3 / 4 " 30 - 1 / 2 " 24V 5O0 2.18 3 / 8 " 12 - 1 / 2 " 32 " 5 " 40,000 Page 2
SAFETY RULES , Improper installation , adjustment , alteration , service , or maintenance can cause property damage , bodily injury , or death . 2 . Use in other than a residential application may result in unsatisfactory performance , may create unsafe conditions and will invalidate the warranty . 3 . The installation must conform with local codes or in the absence of local codes wtih the National Fuel Gas Code , ANSI Z223 . 1 / NFPA 54 , Natural Gas and Propane Installation Code , CSA B149 . 1 . 4 . DO NOT INSTALL THIS FURNACE IN A RECREATIONAL VEHICLE OR TRAILER . 5 . Do not operate wall furnace unless it is connected to the factory supplied vent system with vent cap in place . 6 . Check the rating label attached to the wall furnace to be sure it is equipped for the type gas you intend to use . 7 . Never use a match , candle , flame or other source of ignition to check for gas leaks . Use only soapy water or liquid detergent . 8 . Have your wall furnace and vent system inspected at least annually by a qualified service technician . 9 . Before cleaning or servicing , turn off the gas and allow furnace to cool . 10 . Do not operate wall furnace without all components properly installed ( top , fiont , etc . ) . 11 . Due to high temperatures , the appliance should be located out of traffic and away from furniture and 12 . Children and adults should be alerted to the hazards of high surface temperature and should stay away to avoid burns or clothing ignition . 13 . Young children should be carefully supervised when they are in the same room as the appliance . 14 . Clothing or other flammable material should not be placed on or near the appliance . 15 . INSTALLATION AND REPAIR SHOULD BE DONE BY A OUALIFIED SERVICE PERSON . THE APPLIANCE SHOULD BE INSPECTED BEFORE USE AND AT LEAST ANNUALLY BY A Â£ ) UALIFIED SERVICE PERSON . More frequent cleaning may be required due to excessive lint from carpeting , bedding material , etc . It is imperative that control compartments , burners , and circulating air passageways of the appliance be kept clean . 16 . Do not install in a closet , alcove , or small hallway where the furnace could be isolated from the space to be heated by closing a door . 17 . Do not put anything around the furnace or vent cap that will obstruct the flow of combustion and ventilation air . 18 . The appliance , when installed , must be electrically grounded in accordance with local codes or , in the absence of local codes , with the latest edition of National Electrical Code , ANSI / NFPA 70 , or Canadian Electrical Code , CSA C22 . 1 , if an external electrical source is utilized . 19 . Never operate this furnace without the sight glass in place or with the glass broken or missing . 20 . If it is suspected that rising water may enter the furnace , turn off the gas immediately . 21 . 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 . 22 . It is necessary to replace damaged gaskets or sealing material within the vent or air intake system . Faifure to do so may result in property damage , personal iNmy or loss of life . 23 . Any safety screen or guard removed for servicing must be replaced prior to operating heater . 24 . A gas appliance must not be connected to a chinmey flue serving a separate solid fuel burning appliance . 25 . The appliance area must be kept clear and free from combustilbe materials , gasoline and other flammable vapors and liquids . 26 . Any safety screen or guard removed for servicing an appliance must be replaced prior to operating the appliance . Page 3
FIGURE 1 Vent Terminal _ Air Supply Inlet [ ] Area where terminal is not permitted VENT TERMINAL CLEARANCES REFERENCELETTERTO CANADIAN U . S . INSTALLATIONS2 DRAWING INSTALLATIONSI 12 Inches ( 30 cm ) 12 Inches ( 30 crn ) A = Clearance above grade , veranda , porch , deck , or balcony B = Clearance to window or door 12 Inches ( 30 cm ) 9 Inches ( 23 cm ) that may be opened 12 Inches ( 30 cm ) C = Clearance to permanently 9 Inches ( 23 cm ) closed window D = Vertical clearance to 18 Inches ( 46 cm ) 18 Inches ( 46 cm ) ventilated soffit located above the terminal within a horizontal distance of 2 Feet ( 61 cm ) from the center line of the terminal E = Clearance to unventilated 18 Inches ( 46 cm ) 18 Inches ( 46 cm ) soffit F = Clearance to outside corner 12 Inches ( 30 cm ) 12 Inches ( 30 cm ) G = Clearance to inside corner 12 Inches ( 30 cm ) 12 Inches ( 30 cm ) H = Clearance to each side of Clearances are in accordance 3 Feet ( 91 cm ) within a height center line extended above with local installation codes and 15 Feet ( 4.5m ) above the meter / regulator assembly meter / regulator assembly the requirements of the gas supplier Clearances are in accordance 3 Feet ( 91 cm ) I = Clearance to service regulator vent outlet with local installation codes and the requirements of the gas supplier J = Clearance to nonmechanical 12 Inches ( 30 cm ) 12 Inches ( 30 cm ) air supply inlet to building or the combustion air inlet to any other appliance K = Clearance to a mechanical 6 Feet ( 1.83 m ) 3 Feet ( 91 cm ) above if within air supply inlet 10 Feet ( 3 m ) horizontally Clearances are in accordance L = Clearance above paved 7 Feet ( 2.13m ) Avent shall with local installation codes and sidewalk or paved driveway not terminate directly above located on public property a sidewalk or paved driveway the requirements of the gas that is located between two supplier . single family dwellings and serves both dwellings . Clearances are in accordance M = Clearance under veranda , 12 Inches ( 30 cm ) permitted with local installation codes and porch , deck , or balcony only if veranda , porch , deck , or balcony is fully open on a the requirements of the gas minimum of two sides . supplier . In accordance with the current CSA - B149 . 1 Natural Gas and Propane Installation Code 2 In accordance with the current ANSI Z223 . 1 / NFPA 54 National Fuel Gas Code Page 4
CLEARANCES . As you Pace the heater , the clearance to a side watt on the right side is 0 " ( Fig . 2 ) , and the left side is 1 " ( Fig . 2 ) . 2 . The minimum clearance from the top of the heater to the ceiling or any projecting overhang is 10 " . ( See Figure 2 ) . 3 . The minimum clearance from the bottom of the heater to the floo _ ; or the top surface of carpeting , tile , etc . is 0 " . ( See Figure 2 ) . 4 . When the appliance is installed directly on carpeting , tile or other combustible 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 . . The minimum clearance from the edge of the vent cap to any overhanging obstruction , perpendicular side wall , or comer of building is 12 " . ( See Figure 1 ) . 6 . Vent cap must be located at least 9 " from any opening that would allow combustion products to enter the building , windows , doors , etc . , and 12 " above the ground or shrubbel T ( See Figure 1 ) . Do not install vent cap in a window well . Provisions must be made to prevent snow accumulation from infring - ing on vent cap clearances . . Clearances around vent cap must be maintained to assure adequate combustion and ventilation air . 8 . Clearances listed are minimum . Adequate accessibility clearances for servicing must be maintained . CEILING OR OVERHANG CEILING OR OVERHANG 0 _ 0 " Left 0 Right Side Side _ 1 " Right Side Wall Side V _ all V _ all Wa ! ! < 2 _ 2 : 7 / 00 HEDV25 c HEDV40 c 0 C FIGURE 2 Page 5
CLEARANCES . RESIDENTIAL GARAGE INSTALLATION : Gas utilization equipment in residential garages shall be installed so that all burners and burner ignition devices are located not less than ! 8 inches ( 46 cm ) above the floor . You must build a platform 18 " above floor , the full width aa _ ddepth of the heatec including the rear trim ldt . HEATER IS NOT DESIGNED TO HANG ON WALL . Unit should be located or protected so it is not subject to damage by a moving vehicle . Use care in selecting a good location within the garage . DO NOT locate the appliance where heated air will be directed onto a nearby parked vehicle . Paint may discolor or rubber may harden and crack . DO NOT allow open or closed containers of paint , gasoline or other liquids having flmnmable vapors to be stored or used in the same area as the heater . LOCATION . The wall furnace must be installed on an outside wall , unless optional Kit No . HEVK - 5 is used . 2 . For most efficient performance , locate furnace as centrally as possible in the area to be heated and where occupants may move about freely without coming into contact with the cabinet , and within reach ofa l15V wall outlet . . If the furnace is installed in a basement , a 12 " clearance must be maintained between ground level and the bottom of the vent cap . Do not install furnace where vent cap will terminate in a window welt or any other opening below grotmd level . ( See Figure 3 ) . Do not allow snow accumulation to build up within 12 " of the vent cap . OPTIONAL KITS HEVK - 5 - To extend vent 5 foot from heater . This wilt allow vent cap to be installed above grade from basement or to an outside wall . Atotal of 3 kits with 2 additional elbows may be used . 12 " Minimum above grade without excavation FIGURE 3 Page 6
INSTALLATION Failure to follow these instructions carefilllv could result in poor performance , property damage , personal injury , or death . STEP 1 . LOCATE VENT OPENING ( Requires 3 - 112 " diameter wall opening ) a ) Select area on wall where heater will be installed . Using template ( packed with heater ) mark shaded area where hole can be cut and to locate the wall brackets . ( See Figure 4 ) . Locate studs on each side of this area . b ) c ) Mark location for 3 - 1 / 2 " diameter hole between studs . Hole should be oft ; et m miss studs . ( See Fig . 4 ) . d ) Check outside wall at this location for proper clearances around vent cap . ( See Fig . 1 ) . e ) Cut vent openings into both the inside and outside walls , being sure to maintain level across both openings . Manual ball valv _ must be above floor Template _ L I _ _ [ b L _ l g " I I d i I V , ? a11 _ . , , j _ Back of heater Manual shin offvalve with It Shaded 1 / 8 " NPT plugged tapping Must be accessible in room Area where heater is installed _ . / 8 Blackiron pipe _ . j Wall Studs Gas Supply II 16 " O . C . Leg FIGURE 4 FIGURE 5 STEP 2 . ROUGH - IN GAS SUPPLY ( See Figure 5 ) Install at least _ / 8 gas supply line . Contact local gas supplier if any questions . Install a drip leg in gas supply line immediately upstream from the gas connection to heater ( see local codes ) , and provide a 1 / 8 " N . RT . plugged tapping , accessible for test gauge connection and an individual manual shut offvalve accessible within room where heater is installed . ( See Figure 5 ) . The heater and its individual shut off valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 / 2 psig ( 3.5Pa ) . The heater must be isolated from the gas supply piping system by closing its individual manual shut offvatve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 / 2 psig ( 3.5Pa ) . Test all connections for leaks using a soapy solution . NEVER USE AN OPEN FLAME TO TEST FOR LEAKS . The maxmmm inlet gas supply pressure for Natural or L . P . / Propane gas is 1 / 2 p . s . i , or 14 " w . c . The minimum inlet gas supply pressure for the purpose of adjustment is 4.5 " w . c . for Natural gas or 11.0 " w . c . for L . P . / Propane gas . Page 7
INSTALLATION - CONTINUED STEP3 INSTALLING VENT SYSTEM 5 " - 32 " WALL THICKNESS ( 12.7 cm - 81.3 cm ) a ) Use only factory supplied parts . Do not attempt to modify in any way . To do so could cause a system imbalance resulting in poor performance and / or unsafe operating conditions . b ) Slide collection box pipes through cutout and secure collection box to inside wall . Anchors ( not supplied ) may be required . ( See Figure 5 ) . c ) From outside house , mark collection box pipes and cut off 1 / 2 " beyond outside wall . d ) Slide vent cap pipes onto collection box pipes and push in until flange is flush against house . Secure vent cap assembly to outside wall with a slight downward slope . This will prevent water from entering and allow condensation to drain . Caulk around the edges of the vent cap mounting plate . NOTE : It may be necessary to build a metal or wood frame to provide a flat surthce for the mounting plate to be flush against or to attain the 5 " minimuln wall thickness . Trim Kit Brackets Trim Kit Brackets - - - - - - . Gas Inlet Gas Inlet Air Intake - - Air Intake , / / / - - Fine Ontlet . . . . . . . . . . . ( i56 cm ) ( i49 cm ) FIGURE 5 HEDV25 - Figure 6 HEDV40 - Figure 6 Vent Cap Collection Box _ , _ Assembly sembly Vent Cap Mounting Plate FIGURE 7 FIGURE 8 Page 8
STEP 4 . INSTALLING HEATER a ) Locate ( and mark ) wall mounting bracket location on wall using template supplied . b ) Secure wall brackets to wall , anchors ( not provided ) may be required . c ) Secure trim kit brackets to back of heater using eight # 8 screws provided . ( See Figure 9 ) . d ) Slide heater to approximately 5 " of wall . e ) Secure air intake hose to back of heater and the collector box assembly using hose clamps provided . ( See Figure 8 ) . Secure vent exhaust tube to exhaust tube on back of heater and the exhaust tube on the collection box , 3 assembly using hose clamps provided . ( See Figure 8 ) . g ) Connect 3 / 8 " minimum gas supply line m manual cut - offvalve on back of the heater . ( See Figure 5 ) . h ) Locate factory installed thermostat wires extending from rear of the heater . Connect 24 _ thermostat wall thermostat ( provided ) using a maximum 20 ' of thermostat wire . Do NOT splice thermostat wire . Secure right and left trim side panels to the wall and trim kit brackets with eight # 8 screws provided . ( See Figure 9 ) . This will space the back of the heater 5 " from the wall . J ) Secure trim top to trmr sides using four # 8 screws provided . k ) Plug three - pronged factory wired power cord into a properly grounded 115 Volt electrical outlet . NEVER use an extension cord . If homeowner desires , heater can be hard wired by a licensed electrician . See local electrical codes . Turn the manual gas control valve on . Check all connections for leaks using a soapy solution . NEVER check for leaks with an open flame . HEATER IS NOW INSTALLED , FOLLOW LIGHTING INSTRUCTIONS TO PLACE HEATER INTO SERVICE . FRONT PANEL MUST BE REMOVED FOR ACCESS TO LIGHTING INSTRUCTIONS AND GAS CONTROL . 1 / 2 " Bushing _ . . . . . . . T . . r . i . mKit Left Side Trim Kit ( 4 ) FIGURE 9 Page 9
_ FOR YOUR SAFETY READ BEFORE OPERATING 1 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 does not have a pilot . It is â€¢ If you cannot reach your gas supplier , call equipped with an ignition device which the fire department . automatically lights the burner . Do not try C , to light the buruer by hand . Use only your hand to push in or turn the gas control knob . Never use tools . If the knob will B , BEFORE OPERATING smell all around the not push in or turn by hand , don't try to repair appliance area for gas . Be sure to smell next it , call a qualified service technician . Force or to the floor because some gas is heavier than attempted repair may result in a fire or explosion . air and will settle on the floor . WHAT TO DO IF YOU SMELL GAS : D . Do not use this appliance if any part has been â€¢ Do not try to light any appliance . under water . Immediately call a qualified service â€¢ Do not touch any electric switch ; do not technician to inspect the appliance and to use any phone in your building . replace any part of the control system and any â€¢ hnmediately call your gas supplier from a gas control which has been under water . neighbor's phone . Follow the gas supplier's instructions . OPERATING INSTRUCTIONS l , STOP ! Read safety information on this label . 7 . Wait five ( 5 ) minutes to clear out any gas . If 2 . Set the thermostat to the lowest setting . you smell gas , STOP ! Follow " B " in safety 3 . Turn off all electric power to the appliance . information on this label . If you don't smell 4 . . This appliance is equipped with an ignition device gas , go to next step . which automatically lights the burner . Do not try 8 . Turn gas control knob counterclockwise _ ' N to " ON " . to light the burner by hand . . Remove cabinet to access gas control knob . 9 . Turn on all electric power to the appliance . 6 . Turn gas control knob clockwise g'N to 10 . Set thermostat to desired setting . " ofF ' . Do not force . 11 . If the appliance does not operate , follow instructions " To Turn Off Gas To Appliance " and call your se _ wice technician or gas supplier . 12 . Replace cabinet . Gas control knob in " OFF " position _ TO TURN OFF GAS TO APPLIANCE l . Set the thermostat to lowest setting . 2 . Turu off all electric power to the appliance if service is to be performed . 3 . Turn gas control knob clockwise g'X to " OFF " . Do not force . Page 10
PROPER BURNER FLAME The burner flame may be obse _ wed by raising the sight glass cover . A proper flame will have a dark blue inner / Primary Flame mantle , with a lighter blue outer mantle that extends from the burner into tlle heat exchanger tube , ( see Figure 10 ) . There is no primary air adjustment on the burner , and proper flame is assured since the correct manifold pressure and orificing have been done at the factory . TO REMOVE MAIN BURNER FOR INSPECTION AND CLEANING 1 . Turn off all electrical supply to heater . FIGURE 10 2 . Turn off gas supply . 3 . Remove front panel . NOTE : THE FURNACE AND ALL COMPO - 4 . Unplug wire to direct spark ignitor and sensor . NENTS MUST BE INSPECTED AT LEAST ( See Fig . 11 . ) ANNUALLY BY A QUALIFIED SERVIC E PER - 5 . Disconnect vacuum hose from burner box . SON . THIS SHOULD INCLUDE THE 6 . Remove screws holding burner box top to burner BURNER , HEAT EXCHANGER , AND VENT box . ( See Figure 11 . ) SYSTEM . BE SURE THAT THE FLOW OF 7 . Remove burner plate and burner box top . Take COMBUSTION AND VENTILATION AIR care not to contact , or strata _ gmtor m any way ARE NOT OBSTRUCTED AND THAT ALL as it is extremely fragile . ( See Figure 11 . ) HOSES ARE UNDAMAGED , AND ALL 8 . Remove 2 nuts holding burner bracket . ( See CLAMPS ARE SECURELY TIGHTENTED . Figure 11 ) . 9 . Slide burners toward heat exchanger and lift up from rear and back . ( See Figure 11 ) . MaxitroI 10 . Clean or replace as needed . Gas \ Mve 11 . Reinstall by reversing Steps 9 - 1 . BURNER ORIFICE Appliance input ratings are based on sea level operation Burner and need not be changed for operation up to 2,000 feet Box Top ( 609.9 m ) elevation . For operation at elevations above 2,000 feet ( 609.9 m ) . Manifold The BTU input must be reduced 4 % per 1,000 ft . See the following orifice chart for the proper orifice drill size for a specific elevation . Burner Bracket Direct Spark Ignitor SPECIFIC ELEVATIONS MODEL 0 to 2.000 ' 4,000 ' 6,000 ' 8,000 ' - NO . 2.000 ' 4.000 ' 6.000 ' 8.000 ' 10.000 ' FIGURE 11 NATURAL GAS HEDV253A 51 52 52 53 54 HEDV403A 45 47 48 49 50 L . P . GAS HEDV254A 58 60 62 63 64 HEDV404A 55 55 56 56 57 Page 11
WIRING WARNING This appliance is equipped with a three prong power cord FHIS IS A GAS - FIRED APPLIANCE . KEEP THt with grounding plug . For your protection against shock AREA CLEAR OF GASOLINE AND OTHER FLAM hazard , this appliance should be plugged directly into a properly grounded three - prong receptacle . Do not cut or MABLE VAPORS AND LIQUIDS . ALL COMBUS FIBLE MATERIAL MUST BE KEPT CLEAR OF THK remove the grounding prong from this plug . AREA TO AVOID FIRE OR EXPLOSION . NOTE : If any of the original wire supplied with this ap - pliance has to be replaced , it must be replaced with type 105 , C wire or its equivalent . CAUTION : Label all wires prior to disconnection when servicing controls . Wiring errors can cause improper and dangerous operation . Verify proper operation after servicing . Pressure _ , - _ Thermostat S " qtch _ K _ ? Gas \ i _ lve HEDV25 - A , HEDV40 - A VaE : [ _ - 1 El I > 1 Black , - - _ l HEDV40 - A Switch Bk , e I ; ! o ! _ ! o I LADDER Limit Switch K " _ CMB BlowerC : _ Inducer k Thermostat - : 1 . . . . . . . _ I L _ Circulating 24 V ! AC8LA'CLt ) ( 0 _ Blower CIRCUIT BOARD CircuilBoard 115 VAC : _ Transt \ mner _ Black Draft Inducer Blower HEDV253A , HEDV254A , HEDV403A , & HEDV404A WIRING DIAGRAM Page 12
HEDV SEQUENCE OF OPERATION 4 Sec val , _ s [ 31oxlei gas f ) w i i1 _ _ 3 ( 3S _ e _ c . 18 ( I Sec to bur closes pro _ h _ g _ _ indt _ cer NO 0Q r _ STEP # Thermostat calls tbr heat . - - 1 ) L ; O Draft Inducer turns on . 2 ) Pressure switch closes . 3 ) ) 4 Spark ignition beans . Gas flow - to burner . 5 ) 6 ) Burner ignition proven . 7 ) Circulating Blower on . s ) Heater bums through heating cycle . Thermostat satisfied . 9 ) Gas flow off to burner . lO ) Draft inducer off : 11 ) 12 ) Circulating Blowers oft : 13 ) Heater in stand - by . NOTE : IF THERE IS A MALFUNCTION IN STEPS 3 , 5 , 6 THE OPERATION SEQUENCE WILL STOPAT THAT POINT . FOR STEPS 5 OR6 , IF AFTER 2 ADDITIONALATTEMPTS MALFUNCTION STILL OCCURS , THE CON - TROL WILL LOCK OUT FOR ONE HOUR . FOR PURPOSE OF TESTING , THE ONE HOUR LOCKOUT CAN BE OVERRIDDEN BY RESETTING TIlE THERMOSTAT OR INTERRUPTING THE ELECTRICAL POWER .
HEVK - 5 5 ' VENT EXHAUST KIT INSTALLATION INSTRUCTIONS WARNING : Use only Louisville Tin & Stove Company factory supplied parts and kits . Failure to do so could result in loss of life , personal injury , property damage , or unsatislhctory performance . CONTENTS OF KIT 1only P / N 72532 2 " x3 " Steel Coupling 1only P / N 41520 Center Bracket 1only P / N 72575 2 " x5 ' Black Flocked Tube 8 only P / N 72593 2 " Hose Clamps 1only P / N72612 2 " x6 ' Black Flex Tubing 1only P / N72578 2 " x3 " Black Silicone 2 only P / N 41515 Support Brackets Wrapped Coupling STEP 1 - LOCATE VENT OPENING a ) Select location on outside wall that vent will exit through . b ) Check outside f \ 3rproper clearances around vent cap . See installation instructions . c ) Mark and cut 3 - 1 / 2 " hole through both inside and outside walls , being sure to maintain level across both openings . d ) Measure wall thickness . Mark and cut offboth intake and exhaust pipes to 1 / 2 " beyond outside wall . e ) Secure collection box to wall . Wall anchors , not provided , may be l " equired . STEP2 - INSTALLHEATER a ) Select location on wall where heater will be installed . b ) Using wall template supplied with heater , mark location for trim kit wall brackets . c ) Attach brackets to wall ( wall anchors , not provided may be l " equired ) and back of heater . Using screws provided on back of heater . d ) Slide heater into position and secure brackets togehter . This should position back of heater 5 " offwall . e ) Select direction vent wil ! exit trim kit , left , right , or straight up . _ ) Before installing trim kit remove knockout on this side . STEP3 - INSTALLVENT a ) Remove and discard P / N 72611 2 " x24 " blackflexmbingffomairinlet . ( Save hose clamp ) . b ) Attach P / N 72612 2 " x6 ' black flex mbing to air inlet . Secure with P / N 72593 2 " hose clamp . c ) Slide P / N 72575 2 " x5 ' flocked robe through trim kit opening ( knockout ) and attach to P / N 72610 orange silicone 90 , , elbow supplied with heater . Secure with 2 " hose clamp . d ) Attach P / N 41515 support brackets to wall . Wall anchors , not provided , may be required . Postion support brackets within 8 " from side oftmn kit and end of pipe . Secure flex robing and flocked robe to brackets using 2 " hose clamps . e ) Attach P / N 41520 center bracket 2 - 1 / 2 ' from pipe end and insert flex robe through bracket . This will prevent the flex tube from touching the black flocked exhaust tube . t ) Connect flex air intake robe and flocked exhaust tube to collection box . g ) Complete gas connection and attach trim kit to brackets . h ) Follow lighting instructions . SPECIAL NOTES a ) You may use up to three HEVK - 5 Kits for a total of 15 ' vent extension with two additional elbows . DO NOT EXTEND VENT BEYOND 15 ' OR USE MORE THAN THREE TOTAL ELBOWS ( one elbow comes with the heater ) . b ) To connect two vent kits together use P / N 72532 2 " x3 " steel coupling . Secure with 2 " hose clamps . c ) If you are using one , two , or three kits , after installation is complete you will discard 2 P / N 72593 hose clamps and one P / N 72532 steel coupling . d ) Ifyou need to make a 90 . . oft _ et you wil ! need to order P / N HEEL - 1 90 . . Elbow Kit . Two oft ; ets require two kits . e ) If complete vent extension is horizontal , pipes may be sloped down slightly to allow any condensate to drain thlough the exhaust pipe to the outside . DO NOT ALLOW TO DRAIN ONTO WALKWAY . If any part of vent extension is vertical or local codes do not allow draining of condensate to outside you must add P / N 18900 Condensate Kit . _ ) For cosmetic purposes , the addition of the HEVK - 5 Kit can be enclosed by adding a HEVE - 5 Vent Enclosure Kit . To completely enclose the HEVK - 5 Kit one HEVE - 5 will be needed for each HEVK - 5 used . PiN 72612 2 " x6 ' Black Flex Tubing < e , is g72532 e only if connectin flex tubing of 2 or more ktis / / PN 72578 2 " x3 " 4N 41515 Black Silicone . f Support j " Wrapped Coupling Brackets ( 2 ) _ - / _ , PN 41520 j / / ( ; enter Bracket PN 72575 2 " x5 ' Black Flocked Tubs _ PN 72593 2 " Hose Clamps Page 14
HEVE - 5 VENT ENCLOSURE KIT INSTALLATION INSTRUCTIONS STEP 1 ) Position end of Part No . 41610 enclosure body to heater trim kit where pipes exit trim kit , centering pipes inside body and attach to wall . Wall anchors , not provided , may be required . Collector box may be behind HEVE - 5 Kit . STEP 2 ) Cut to fit enclosure panel 1 " beyond end of vent run . Insert Part No . 41620 End Cap and attach using three # 8 screws provided . SPE ( IAL INSTR [ K ; TIONS STEP 3 ) If more than one HEVE - 5 Kit is used , attach Part No . 72604 Trim Kit where ends meet . If making a 90 . mJm , measure 1 " beyond outside STEP 4 ) mm and cut offenclosure panel . Notch panel on surl : ace of direction mm is being made to allow pipes to pass through into next HEVE - 5 Kit . Attach second panel to wal ! and attach Part No . 72604 Trim Kit where two bodies meet . Install end cap Part No . 41620 . HEEL - 1 90 * - ELBOW KIT Contains 1 only P / N 72613 90 , * Elbow 2 " Page 15
18900 CONDENSATE KIT INSTRUCTIONS HI - EFFICIENT DIRECT - VENT WALL FURNACE Always use this kit when the vent has a vertical ran , or where local codes prohibit draining condensate to the outside . Use only Louisville Tin and Stove Company supplied parts . Failure to use factory supplied parts or to follow these instructions may result in unsatisfactory perl \ _ rlnance , property damage , personal injury and / or loss of life . Before beginning kit installation , open carton and identify the l \ _ ltowing components . P / N 18910 Condensate PanAssembly A ) P / N 72618 Condensate Trap Assembly c ) P / N 72538 3 / 8 " Tubing P / N 72539 3 / 8 " Hose Clamp ( 2 ) D ) P / N 50606 # 8 x Â½ " screws ( 2 ) E ) F ) P / N 50053 Wing Nuts ( 2 ) Set thermostat to " off ' and allow heater to coot . Turn off gas supply to heater . Turn off electric power to heater . Remove the cabinet . Start two wing nuts onto weld pins located in the heater base . See Figure 1 . Slide the condensate pan into the bottom of the heater with slots in tabs onto the weld studs and under the wing nuts . Use care not to rip the insulation in bottom of heater . Tighten the wing nuts to secure condensate pan . See Figure 1 . Remove and discard the black casing plug located at center lower area of heater back . Attach condensate trap to heater back so bottom of trap is inside the bottom of the condensate pan . Secure using the ( 2 ) # 8 screws provided . Fill trap with water . See Figure 2 . Remove and discard plastic cap from bottom of the draft inducer drain tube . See Figure 2 . Connect the tubing to the draft inducer drain tube and the condensate trap . Secure both ends with two 3 / 8 " hose clamps provided . See Figure 2 . Fill the condensate pan with water . Reverse steps 4 1 . Follow lighting instructions to place heater in operation . WARNING : The water level in the condensate pan must be checked and maintained to completely cover the condensate trap . The water provides a seal to prevent combustion products from coming through the condensate trap and entering the living area . 72618 - Condensate " _ Weld Pin ( 2 _ Clmnp ( 2 ) Condensate P , - m 50606 - # 8x12 Screw ( 2 ) Assembly FIGURE 2 FIGURE 1 Page 16
MAINTENANCE INSTRUCTIONS For proper and sate operation keep furnace and furnace area clean . At regular intervals turn control valve to oft . let cool and clean inside control and heat exchanger compartment . To clean front panel use only a damp cloth , do not use any kind of solvent or cleaning fluid that could leave a residue to burn or give offfumes when furnace is turned on . Have the furnace checked , cleaned , and repaired by a qualified service person . Check venting system , and burner operation prior to use each year . Follow a regular service and maintenance schedule for sate and efficient operation . Do not obstruct combustion and ventilation air . Examine the venting system as a routine part of the safety perfor - mance check on an annual basis . If the heat exchanger is removed , check the heat exchanger intake gasket and draft inducer gasket and replace if there is any sign of damage . Be sure all gaskets are in place when the heat exchanger is replaced . Failure to replace any gasket that has been damaged may result in property damage , personal iniury or loss of life . Oil the bearings of the tan motor every 6 months with S . A . E . 20 oil . SERVICE RECORD Page 17
TROUBLE SHOOTING CHART CORRECTIVE ACTION SYMPTOM POSSIBLE CAUSES To be taken by Contractor 1 . Flame too large Defective operator section of valve . 1 . Replace valve . 2 . Burner orifice too large . 2 . Check with local gas company for proper orifice - size and replace . 3 . If installed above 2,000 ft . 3 . See burner orifice section , Page 11 . Yellow burner flame l . 1 . Remove burners and check for obstruc - ( ? logged burner ports . tions in throats , ports , and orifices . Clean - but do not enlarge ports or orifices . 2 . Obstruction around vent cap . 2 . Make sure area around vent cap is clear , be sur _ _ ' _ n _ _ ys _ Â¢ m is s _ ! _ d , Gas odor l . Gas leak . 1 . See Page 1 . Delayed Ignition I . Low gas pressure . 1 . Check gas supply pressure . 2 . Igniter not properly located . 2 . Check ignitor location and con'ect if necessary . Failure to ignite 1 . Main gas off . 1 . Open manual gas valve . 2 . Thermostat not set high enough to call 2 . Set thermostat to higher temperature . for heat . 3 . ( ? logged burner orifice . 3 . Clean burner orifices ( do not enlarge ) . 4 . Incorrect wiring . 4 . Check wiring diagram . 5 . Defective valve . 5 . Replace valve . 6 . No power to unit . 6 . Plug in power supply cord . Check 1 i5 V . wall outlet . Burner won't Defective or damaged thermostat wire , 1 . ( Jan be checked by removing wire fi'om con - mm off or them _ ostat . trol board terminal . If burner goes off , replace thermostat . 2 . Thermostat location . 2 . Re - locate out of & afis , hot , or cold spots . 3 . Defective or sticking valve . 3 . Replace valve . 4 . Excessive gas pressure . 4 . Contact utility supplying gas . 5 . Defective or damaged thermostat . 5 . Replace thermostat . Incon'ect gas I . Gas inpm not checked . 1 . Re - check gas input . input 2 . Clogged orifices . 2 . ( ? lean orifices with a smooth wood toothpick , do not enlarge . Not enough heat l . Furnace undersized . 1 . This is especially true when a dwelling or room is enlarged . Have the heat loss calculated and compare to furnace output . Your gas company can supply you with this information . If furnace is undersized , replace with con'ect size unit . 2 . Thermostat temperature set too low . 2 . Raise thermostat temperature setting . 3 . Incon'ect supply pressure . 3 . Check snpply pressure . Too much heat I . Temperature set too high . 1 . Lower temperature setting . 2 . Combination control xalve stuck open . 2 . Replace combination control vah'e . Main burner I . Defective flame sensor . 1 . Check voltage and replace if low . 2 . Input too high . 2 . Check input rate . goes out duringnormal 3 . Sight glass not air tight . 3 . Tighten screws securing sight glass . Check operation and replace gasket if needed . 4 . Follow instrnctions . Check both exhaust and Vent tubes not properly installed or sealed . air intake tubes , and vent cap . Be sure all gaskets are in place and properly sealed . Use only robes and vent cap supplied . Do not alter vent tubes or cap . 5 . Limit switch opens . 5 . Check for blockage of discharge air . 6 . Exhaust or Air Intake tubes blocked . 6 . Check for and remove any obstruction to incoming circulating air . Page ! 8
TROUBLE SHOOTING CHART To assist in diagnosing and servicing , this heater is equipped with a self - diagnosing con - trol module . Should a malfunction occur , the green indicator light on the control module will flash a varying number of times indicating the circuit in which malfunction is located . # OF REASON FOR CORRECTIVEACTION FLASHES INDICATION POSSIBLE CAUSES TO BE TAKEN BY CONTRACTOR Slow Flash Nonna ! operation , no call for heat Fast Flash Normal operation , call t \ _ rheat 2 System lockout a . ) Detective ignitor . a . ) Replace ignitor . t : ailed to detect or b . ) Ignitor cable detective . b . ) Replace ignitor cable . sustain flame c . ) Ignitor cable disconnected . c . ) Connect ignitor cable . d . ) Manual gas valve in " OFF " d . ) Turn manual gas valve to " ON " . position . No gas to valve . e . ) Defective wire to gas valve . e . ) Replace defective wire . f . ) Wire to gas valve disconnected f . ) Connect gas valve wire . g . ) Obstruction to vent outlet . g . ) Remove obstruction . h . ) Obstruction to air inlet . h . ) Remove obstruction . Pressure switch a . ) Defective pressure switch . a . ) Replace pressure switch . Open or Closed b . ) Pressure switch robing b . ) Replace damaged robing . damaged , kinked or collapsed . c . ) Pressure switch robing c . ) Connect pressure switch tubing . disconnected . d . ) Detective draft inducer . d . ) Replace & aft inducer . e . ) Pressure switch tubing to e . ) Reverse tubing connections on wrong connection . pressure switch . Limit Switch opens a . ) Defective limit switch . a . ) Replace limit switch . b . ) Damaged limit switch wire . b . ) Replace damaged wire . c . ) Limit switchwire disconnected . c . ) Connect limit switch wire . d . ) Blockage in t } ont of front panel d . ) Remove blockage . e . ) Heater overrate . e . ) Check orifice , pressures , rate . Flame sensed gas a . ) Defective gas valve . a . ) Replace gas valve . valve not energized b . ) Defective control module . b . ) Replace control module . Internal tiailure Steady light a . ) Defective control module . a . ) Replace control module . No Flashes ( control module t : ailure and power on self - check ) Page 19
HI - EFFICIENT DIRECT VENT MODEL NUMBERS WALL FURNACE HEDV253A - NAT . GAS HEDV403A - NAT . GAS Prices and specifications subject to change without notice . HEDV254A - L . P . GAS All prices are F . O . B . factory . HEDV404A - L . P . GAS Ml : Contractol ; x _ eonly sel ! parts through our wholesalers , but the prices listed are for your convenience . For prompt parts service , contact the x _ holesaler from which you purchased your Cozy heater . NOTE : Parts & schematic drax _ ings on current models are sho _ n at _ _ : cozyheaters . com . Page 20
HOW TO PROPERLY ORDER PARTS : In addition to part description and part number _ please give model number , serial number _ and type of gas used . This int \ _ rmation can be Â£ ound on the rating plate that is attached to heater . HEDV253A HEDV254A HEDV403A HEDV404A REF . PART LIST PART LIST PART LIST PART LIST PART DESCRIPTION NO . NO . PRICE NO . PRICE NO . PRICE NO . PRICE Cabinet 1 18020 $ 126.00 18020 $ 126.00 18520 $ 152.00 18520 $ 152.00 Circulating BIower 2 72501 $ 162.00 72501 $ 162.00 72500 $ 240.80 72500 $ 240.80 LimitSwitch 3 72671 $ 9.60 72671 $ 9.60 72670 $ 9.60 72670 $ 9.60 FrontHeatShield 4 18100 $ 13.30 18100 $ 13.30 18595 $ 28.20 18595 $ 28.20 TubularHeatExchanger 5 72531 $ 166.00 72531 $ 166.00 72530 $ 133.10 72530 $ 133.10 Cabinet Base Assembly 6 18120 $ 19.10 18120 $ 19.10 18620 $ 23.20 18620 $ 23.20 Leg Leveler ( 4 Per ) 7 80009 $ 1.60 80009 $ 1.60 80009 $ 1.60 80009 $ 1.60 Draft lnducerGasket 8 72565 $ 6.40 72565 $ 6.40 72565 $ 6.40 72565 $ 6.40 Draft lnducer Mounting Plate Gasket 9 72563 $ 2.10 72563 $ 2.10 72563 $ 2.10 72563 $ 2.10 Draftlnducer 10 72506 $ 166.00 72506 $ 166.00 72506 $ 166.00 72506 $ 166.00 SightGlassFrame 11 18185 $ 1.90 18185 $ 1.90 18185 $ 1.90 18185 $ 1.90 SightGlass 12 70150 $ 1.30 70150 $ 1.30 70150 $ 1.30 70150 $ 1.30 SightGlassGasket 13 72564 $ 2.10 72564 $ 2.10 72564 $ 2.10 72564 $ 2.10 Ignitor 14 64009 $ 23.50 64009 $ 23.50 64009 $ 23.50 64009 $ 23.50 Ignitor Cable 15 64210 $ 17.50 64210 $ 17.50 64210 $ 17.50 64210 $ 17.50 Burner Orifice ( Requires 2 ) 16 * 95251 $ 3.60 * 95258 $ 3.60 * 72156 $ 3.60 * 72139 $ 3.60 Manifold 18 72640 $ 19.70 72640 $ 19.70 72640 $ 19.70 72640 $ 19.70 BurnerBoxAssembly 19 18150 $ 35.30 18150 $ 35.30 18150 $ 35.30 18150 $ 35.30 Burner BoxTop Gasket 20 72567 $ 4.30 72567 $ 4.30 72567 $ 4.30 72567 $ 4.30 BurnerBoxTop 21 18165 $ 4.20 18165 $ 4.20 18165 $ 4.20 18165 $ 4.20 Gas Valve 22 64590 $ 76.50 64591 $ 76.50 64590 $ 76.50 64591 $ 76.50 Gas Valve Support Bracket 23 18180 $ 4.20 18180 $ 4.20 18180 $ 4.20 18180 $ 4.20 Burner BoxMountingGasket 24 72566 $ 5.30 72566 $ 5.30 72566 $ 5.30 72566 $ 5.30 Transformer 25 78069 $ 24.70 78069 $ 24.70 78069 $ 24.70 78069 $ 24.70 Circuit Board 26 64625 $ 223.70 64625 $ 223.70 64625 $ 223.70 64625 $ 223.70 Wiring Harness 27 72675 $ 12.80 72675 $ 12.80 72675 $ 12.80 72675 $ 12.80 Pressure Switch 28 72517 $ 17.00 72517 $ 17.00 72518 $ 17.00 72518 $ 17.00 Casing Back 29 18090 $ 22.90 18090 $ 22.90 18590 $ 28.60 18590 $ 28.60 AirlntakeHose 30 72611 $ 10.30 72611 $ 10.30 72611 $ 10.30 72611 $ 10.30 2 " Hose Clamp ( 4 Per ) 31 72593 $ 1.80 72593 $ 1.80 72593 $ 1.80 72593 $ 1.80 VentCapAssembly 32 18250 $ 56.20 18250 $ 56.20 18650 $ 55.30 18650 $ 55.30 Vent Cap Gasket 33 72608 $ 2.00 72608 $ 2.00 72608 $ 2.00 72608 $ 2.00 CollectionBoxAssembly 34 18225 $ 157.00 18225 $ 157.00 18225 $ 157.00 18225 $ 157.00 CollectionBoxGasket 35 72607 $ 1.30 72607 $ 1.30 72607 $ 1.30 72607 $ 1.30 CollectionBoxCap 36 72587 $ 1.60 72587 $ 1.60 72587 $ 1.60 72587 $ 1.60 VentExhaustTube 37 72610 $ 181.80 72610 $ 181.80 72610 $ 181.80 72610 $ 181.80 Trim KitBracket ( Requires4 ) 38 18320 $ 8.90 18320 $ 8.90 18320 $ 8.90 18320 $ 8.90 WalI MountingBracket ( Requires4 ) 39 18315 $ 1.90 18315 $ 1.90 18315 $ 1.90 18315 $ 1.90 TrimKit , Left Side Panel 40 18310 $ 13.70 18310 $ 13.70 18310 $ 13.70 18310 $ 13.70 Trim Kit , RightSidePanel 41 18305 $ 13.70 18305 $ 13.70 18305 $ 13.70 18305 $ 13.70 Trim KitTop 42 18300 $ 13.30 18300 $ 13.30 18700 $ 15.00 18700 $ 15.00 HEDVWireBracket 43 18190 $ 2.30 18190 $ 2.30 18190 $ 2.30 18190 $ 2.30 Liner , LeftSide 44 18110 $ 9.40 18110 $ 9.40 18610 $ 8.20 18610 $ 8.20 LinerTop 45 18075 $ 14.60 18075 $ 14.60 N / A N / A N / A N / A Thermostat , 24Volt 46 78355 $ 21.00 78355 $ 21.00 78355 $ 21.00 78355 $ 21.00 Draft lnducer Mounting Plate 47 18200 $ 22.30 18200 $ 22.30 18200 $ 22.30 18200 $ 22.30 ThermostatWire20 ' N / A 74518 $ 1.40 74518 $ 1.40 74518 $ 1.40 74518 $ 1.40 Power Cord N / A 64205 $ 5.90 64205 $ 5.90 64205 $ 5.90 64205 $ 5.90 Condensate Kit N / A 18900 $ 81.90 18900 $ 81.90 18900 $ 81.90 18900 $ 81.90 Mr . Contractor , we only sell parts through our wholesalers , but the prices listed above are for your convenience . For prompt parts service , contact the wholesaler from which you purchased your Cozy heater . NOTE : Parts & schem atic drawings on current models are shown at www . cozyheaters . com . Page 21 SEPTEMBER 2007
LI IT WARRANTY The Louisville Tin & Stove Co . warrants to shall request such service directly from the installer . the original user the accompanying product for the If the user is unable to locate the installer , the user period specified herein , provided said product is should write directly to the manufacturer , and the installed , operated , maintained , serviced , and used name of an alternative service source will be supplied . according to the instructions and specifications The product safety registration card ( packed accompanying the product . AS OUTLINED IN inside the appliance ) nmst be completed and returned OUR INSTRUCTIONS , ANY WARRANTY to the factory . CONSIDERATIONS ARE CONTINGENT ON THIS WARRANTY IS EXPRESSLY IN INSTALLATION BY A QUALIFIED LIEU OF ANY OTHER WARRANTIES , EXPRESS OR IMPLIED ( WHETHER WRITTEN OR ORAL ) . INSTALLER ( CONTRACTOR ) . SELF - INSTALLATION IS PROHIBITED AND WILL ANY IMPLIED WARRANTY OF INVALIDATE YOUR WARRANTY . MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR PURPOSE IS EXPRESSLY If within a period of one year from the date LIMITED TO THE DURATION OF THE of installation of the product , any part supplied by the manufacturer proves to be defective due to MANUFACTURER'S EXPRESS , WRITTEN WARRANTY . workmanship or material , it will replace such part , UNDER NO CIRCUMSTANCES SHALL provided parts have not been subjected to misuse , THE MANUFACTURER BE LIABLE FOR ANY alteration , neglect , or accidents . The term of the warranty for the heat exchanger and burners is covered SPECIAL , INDIRECT OR CONSEQUENTIAL DAMAGES OR EXPENSES ARISING DIRECTLY in Table A below . Any claim not made within ten OR INDIRECTLY FROM ANY COMPONENT OR ( 10 ) days after the expiration of the warranty period FROM THE USE THEREOF . THE REMEDIES SET shall be deemed waived by the user . FORTH HEREIN SHALL BE THE EXCLUSIVE The manufacturer shall have no liability or REMEDIES AVAILABLE TO THE USER AND be required to perform any obligation under this ARE IN LIEU OF ALL OTHER REMEDIES . warranty unless , when requested , the user returns , at SOME STATES DO NOT ALLOW the user's expense , the component or product claimed LIMITATIONS ON HOW LONG AN IMPLIED defective , to the manufacturer for inspection , to enable the manuf _ acturer to detemline if the claimed defect is WARRANTY LASTS , SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU . covered by this warranty . SOME STATES DO NOT ALLOW THE . No charges for freight , labor or other EXCLUSION OR LIMITATION OF INCIDENTAL expenses incurred in the repair , removal , or replacement of any product or component claimed to OR CONSEQUENTIAL DAMAGES , SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY be defective , will be paid by the manufacturer to the NOT APPLY TO YOU . user , and the manufi _ cturer will not be liable for any THIS WARRANTY GIVES YOU expenses incurred , by the user , in remedying any SPECIFIC LEGAL RIGHTS , AND YOU MAY defect in the product . ALSO HAVE OTHER RIGHTS , WHICH VARY , Service under this warranty is the FROM STATE TO STATE . responsibility of the installer . In the event service under this warranty is needed , the user of the product TABLE A Warranty Period Product Heat Exchanger / Tubes Burners Cozy Gas Fired Floor Furnace 10 Years 10 Years Cozy Gas Fired Wall Furnace 10 Years 10 Years Cozy Gas Fired Vented Console Heater 10 Years 10 Years Cozy Gas Fired Direct Vent Heater 10 Years 10 Years Cozy Gas Fired Counterflow Furnace 10 Years 10 Years Cozy Gas Fired Counterflow Direct Vent Furnace 10 Years 10 Years Cozy Gas Fired Mobile Home Direct Vent Furnace 10 Years 10 Years Cozy Gas Fired Hi - Efficient Direct Vent Wall Furnace 10 Years 10 Years Cozy Gas Fired Direct Vent Baseboard Heater 10 Years 10 Years Cozy Fan - Type , Direct Vent Through - The - Wall Gas Heater 10 Years 10 Years Cozy Blue Flame Vent Free Heater NiA 10 Years Cozy Infi'a - Red Vent Free Heater NiA NiA LOUISVILLE TIN & STOVE COMPANY 737 S . 13 TM STREET - LOUISVILLE , KY . 40210