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GRAVITY DIRECT VENT FURNACE owner's manual MODEL NOS : 1403612 ; 1403622 2203612 ; 2203622 3003612 ; 3003622 FOR USE WITH NATURAL GAS ONLY f - 0tSlG , _ / APPROVED ® M ( ) DEL NOS . 1403611 ; 1403621 READ THIS OWNERS 2203611 ; 2203621 • Unpacking 3003611 ; 3003621 MANUAL CAREFULLY • Installation FOR USE WITH BEFORE YOU INSTALL LIQUEFIED • Operation YOUR NEW WILLIAMS PETROLEUM ( L . P . ) • Repair Parts WALL FURNACE GAS ONLY WARNING : If the information in this - - MODEL NUMBER INFORMATION - - manual is not followed exactly , a fire or ex - NOTE : CANADIAN MODEL NUMBERS THIRD plosion may result causing property DIGIT FROM LEFT TO BE : damage , personal injury or loss of life . 1 FOR BASIC ALTITUDE 2 FOR HIGH ALTITUDE Do not store or use gasoline or other flam - EXAMPLE : mable vapors and liquids in the vicinity MODEL : 1403612 BECOMES 1413612 of this or any other appliance . ( 0 - 2000 FT . BASIC ALTITUDE ) WHAT TO DO IF YOU SMELL GAS OR BECOMES 1423612 ( 2000 - 4000 - FT . HIGH ALTITUDE ) • Open all windows . • Do not try to light any appliance . • Do not touch any electrical switch ; do WARNING : Improper installation , adjust - not use any phone in your building . ment , alteration , service or maintenance • Extinguish any open flame . can cause injury or property damage . • Immediately call your gas supplier from Refer to this manual . For assistance or a neighbor's phone . Follow the gas additional information consult a qualified supplier's instruction . installer , service agency or the gas • If you cannot reach your gas supplier , supplier . call the fire department . Installation and service must be per - WARNING : Do not install any of these fur - formed by a qualified installer , service naces ( Natural or L . R Gas ) in mobile agency or the gas supplier . homes , trailers , or recreational vehicles . WILLIAMS Furnace Co . , 225 Acacia St . , Colton , CA 92324 PRINTED IN USA 5 / 97 P322256
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Contents Your Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Gas Supply and Piping . . . . . . . . . . . . . . . . . . . . . . 10 - 11 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Thermostat Installation . . . . . . . . . . . . . . . . . . . . . . 11 - 12 Basic Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Thermostat Connection At Gas Valve . . . . . . . . . . . . . 12 Optional Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Furnace Technical Information . . . . . . . . . . . . . . . . . . 13 Safety Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Cabinet Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Unpack Your Furnace . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Start Up Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Basic Tools Needed . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Operating Your Furnace . . . . . . . . . . . . . . . . . . . . . 15 - 19 Basic Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 How To Care For Your Furnace . . . . . . . . . . . . . . . . . 20 Installing Your Wall Furnace . . . . . . . . . . . . . . . . . . . . . 5 TROUBLESHOOTING CHART . . . . . . . . . . . . . . . . 21 - 22 Helpful Installation Information . . . . . . . . . . . . . . . . . . . 5 Repair Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 - 29 Locating Wall Furnace and Thermostat . . . . . . . . . . 6 - 7 SERVICE HINTS . . . . . . . . . . . . . . . . . . . . . . Back Cover Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 - 9 How To Order Repair Parts . . . . . . . . . . . . . Back Cover Optional Blower Installation . . . . . . . . . . . . . . . . . . . . . 9 Your Warranty The Manufacturer , Williams Furnace Co . , warrants this wall furnace or heater to the original purchaser under the following conditions : LIMITED ONE - YEAR WARRANTY 1 . Any part thereof which proves to be defective in material or workmanship within one year from date of original purchase for use will be repaired or replaced at the Manufacturer's option , Foe its factory . 2 . No liability is assumed by the Manufacturer for removal or installation labor costs , nor for freight or delivery charges . LIMITED EXTENDED WARRANTY 1 . in addition to the above limited one - year warranty on the complete unit , any heat exchanger which burns out or rusts under normal installation , use and service conditions during a period of nine years following expiration of the one - year warranty period will be exchanged for a like or functionally similar part , FOB Manufac - turer's factory . 2 . No liability is assumed by the Manufacturer for removal or installation labor costs , nor for freight or delivery charges . LIMITATIONS 1 . THIS LIMITED WARRANTY IS THE ONLY WARRANTY MADE eY THE MANUFACTURER . IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE ARE LIMITED TO THE SAME ONE YEAR TERM AS THIS EXPRESS WARRANTY . UNDER NO CIRCUMSTANCES SHALL THE MANUFACTURER BE LIABLE FOR INCIDENTAL , CONSEQUENTIAL , SPECIAL OR CONTINGENT DAMAGES OR EXPENSES ARISING DIRECTLY OR INOIRECT - LY FROM ANY DEFECT IN THE PRODUCT OR ANY COMPONENT OR FROM THE USE THEREOE THE REMEDIES SET FORTH HEREIN ARE THE EXCLUSIVE REMEDIES AVAILABLE TO THE USER AND ARE IN LiEU OF ALL OTHER REMEDIES . Some states do not allow limitations on how tong an implied warranty lasts , and some states do not allow the exclusion or limitation of incidental or consequential damages , so the above limitations or exclusions may not apply to you . 2 . This warranty does not include any charge for labor or installation . 3 . This warranty does not extend to painted surfaces nor to damage or defects resulting from _ ccident , alteration , misuse or abuse , or improper installation . 4 . This warranty does not cover claims which do not involve defective workmanship or materials . DUTIES OF THE CONSUMER 1 . The heating equipment must be installed by a qualified installer and operated in accordance with the installation and homeowner's instructions furnished with the equipment . 2 . Any travel , diagnostic costs , service labor , and laber to repair the defective unit will be the responsibility of the owner . 3 . A bill of sale , cancelled check , payment record or permit should be kept to verify purchase date to establish the warranty period . 4 . Have the installer enter the requested information in the space below . GENERAL 1 , The Manufacturer neither assumes nor authorizes any person to assume for it any other obligation or liability in connection with said equipment . 2 . Service under this warranty should be obtained by contacting your dealer . Provide the dealer with the model number , serial number and purchase date verification . 3 . If , within a reasonable time after contacting your dealer , satisfactory service has not been received , contact : Customer Service Department , 225 Acacia St . , Coiton , CA 92324 , for assistance . 4 . THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS , AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE . INSTALLATION INFORMATION Model No . Serial No Orig , Purchaser _ Address City and State Zip Dealer Address . City and State Zip Installation date Signed by . . ( Dealer or authorized representative who certifies that this appliance has been installed in accordance with Manufacturer's instructions and local codes . ) - - 2 - -
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Introduction Please read our instructions before you install and use your furnace . This will help you obtain the full value from this furnace . It could help you avoid needless service costs , if the answer to the problem is found within this instruction manual . Basic Description The sealed combustion system draws combustion air Your direct vent wall furnace is shipped ready to install directly from outdoors into the combustion chamber and against an exterior wall up to 9 inches thick . For walls combustion gases are discharged directly to the outdoors greater than 9 inches , and up to 24 inches thick , use an through tubes mounted to the rear of the furnace . optional VENT EXTENSION KIT listed under OPTIONAL ACCESSORIES . The furnace heat exchanger is built of heavy gauge steel treated for corrosion resistance . The furnace may burn either Natural or L . R Gas , depend - The furnace cabinet is also constructed of heavy gauge ing on the model you have purchased . steel and has an enamel paint finish . The furnace controls are located behind an access door No electric power is required unless furnace is equipped on the lower front of the furnace . All models are equipped with an optional blower accessory . with American Gas Association and Canadian Gas Association listed gas valves and pilots . Always consult your local heating or plumbing inspector , MODELS 1403611 , 1403612 , 2203611 , 2203612 , 3003611 building department or gas utility company regarding and 3003612 are equipped with a built - in thermostat . regulations , codes or ordinances which apply to the in - stallation of a direct vent furnace . MODELS 1403621 , 1403622 , 2203621 , 2203622 , 3003621 and 3003622 are equipped with a wall thermostat . Optional Accessories MODELS : 1403611 ; 1403612 ; 1403621 ; 1403622 ALL MODELS : Decorator Face Panel Colors For walls greater than 9 inches thick and up to 24 inches Various Face Panel colors may be used on all models . All thick , use one of the following Vent Extension Kits : are constructed of heavy gauge steel with your choice of colored enamel paint finish . KIT NUMBER WALL THICKNESS 9304 9 inches to 15 inches MODELS : 1403611 ; 1403612 ; 1403621 ; 1403622 9303 15 inches to 24 inches 4309 ( Almond ) MODELS : 2203611 ; 2203612 ; 2203621 ; 2203622 4310 ( Black ) 3003611 ; 3003612 ; 3003621 ; 3003622 4311 ( Red ) 4312 ( White ) For walls greater than 9 inches thick and up to 24 inches thick , use one of the following Vent Extension Kits : MODELS : 2203611 ; 2203612 ; 2203621 ; 2203622 KIT NUMBER WALL THICKNESS 3003611 ; 3003612 ; 3003621 ; 3003622 9301 9 inches to 15 inches 4313 ( Almond ) 9302 15 inches to 24 inches 4314 ( Black ) ( 220 model series only ) 4315 ( Red ) 9303 15 inches to 24 inches 4316 ( White ) ( 140 ( or ) 300 model series ) ALL MODELS : MODELS : 2203611 ; 2203612 ; 2203621 ; 2203622 3003611 ; 3003612 ; 3003621 ; 3003622 For additional vent cap protection , Vent Cap Guard 9308 may be used . This mounts to the outside of the exterior To increase circulation of warmed air within the heated wall over the vent cap . space , you may use Blower Accessory Kit 2302 , which is equipped with a two - speed fan and automatic fan switch . NOTE ALL MODELS Accessories are identified on the carton by their manufac - turing number . ( For example : 9301 ; 9302 ; 9303 . ) These For walls less than 41 / 2 inches thick , a thin Wall Collar Kit manufacturing numbers are also listed on the furnace 9307 may be used to increase wall thickness if wood strips rating plate so you can be sure you have the accessory are undesirable . that fits your furnace . - - 3 - -
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Safety Rules WARNING umn . The maximum inlet gas supply pressure is 13 " water column . READ THESE RULES AND THE INSTRUCTIONS CAREFULLY . FAILURE TO FOLLOW THESE ANY SAFETY SCREEN , GUARD OR PARTS RE - RULES AND INSTRUCTIONS COULD CAUSE A MOVED FOR SERVICING AN APPLIANCE MUST BE MALFUNCTION OFTHE FURNACE . THIS COULD REPLACED PRIOR TO OPERATING THE AP - RESULT tN DEATH , SERIOUS BODILY INJURY , PLIANCE TO AVOID PROPERTY DAMAGE , BODILY AND / OR PROPERTY DAMAGE . INJURY OR DEATH . , INSTALL the furnace vent directly to the outdoors , so INSTALLATION MUST CONFORM TO LOCAL CODES . IN that harmful gasses will not collect inside the building . THE ABSENCE OF LOCAL CODES , INSTALLATIONMUST Follow the venting instructions for your type installa - CONFORM WITH THE NATIONAL FUEL GAS CODE , ANSI tion exactly . Use only the type and size of vent pipe Z223 . 1 . THE APPLIANCE , WHEN INSTALLED , MUST BE and fittings specified . ELECTRICALLY CONNECTED AND GROUNDED IN 9 . BE SURE to provide for adequate combustion and ACCORDANCE WITH LOCAL CODES OR , IN THE ventilation air . See page 7 . The flow of this air to the ABSENCE OF LOCAL CODES , WITH THE CURRENT furnace must not be blocked . NATIONAL ELECTRICAL CODE ANSI / NFPA NO . 70 . 10 . NEVER vent flue gases into another room , a fireplace IN CANADA or any space inside a building . This could cause pro - 1 . INSTALLATION MUST CONFORM TO LOCAL perry damage , bodily injury or death . CODES OR , IN THE ABSENCE OF LOCAL 11 . NEVER test for gas leaks with an open flame . Use CODES , THE CURRENT CAN / CGA B149 IN - STALLATION CODE . soap sudsto check all gas connections . This will avoid the possibility of fire or explosion . 2 . THE APPLIANCE , WHEN INSTALLED , MUST BE ELECTRICALLY CONNECTED AND GROUND - 12 . ALLOW furnace to cool before servicing . Always shut ED IN ACCORDANCE WITH LOCAL CODES OR , off electricity and gas to furnace when working on it . IN THE ABSENCE OF LOCAL CODES , WITH This will prevent any electrical shocks or burns . THE CURRENT CSA C22 . 1 CANADIAN ELEC - 13 . DUE TO HIGH TEMPERATURES , locate the furnace TRICAL CODE . out of traffic and away from furniture and draperies . 3 . FIELD CONVERSIONS FOR HIGH ALTITUDE ARE NOT PERMITTED IN CANADA . 14 . ALERT children and adults to the hazards of high sur - 4 . REFERENCE IS MADE IN THIS MANUAL face temperature and to keep away to avoid burns or REGARDING GAS TYPE AS L . RG . BE ADVISED clothing ignition . THAT L . RG . IS NOT AVAILABLE IN CANADA , 15 . CAREFULLY supervise young children when they are REFER TO PROPANE / L . R GAS . in the same room with the furnace . 16 . DO NOT place clothing or other flammable material 1 , USE ONLY MANUFACTURER'S REPLACEMENT on or near furnace . PARTS . USE OF ANY OTHER PARTS COULD CAUSE INJURY OR DEATH . 17 . INSTALLATION and REPAIR must be done by a quali - fied service person . The appliance should be inspected 2 . DO NOT install this furnace in an alcove . before use and at least annually by a professional serv - 3 . DO NOT install these furnaces in a travel trailer , ice person . More frequent cleaning may be required recreational vehicle or mobile home . due to excessive lint from carpeting , bedding material , etc . It is imperative that control , compartments , burners 4 . MAINTAIN all clearances specified in section and circulating air passages be kept clean . " Locating Wall Furnace and Thermostat " and " Vent Installation . " 18 . BEFORE INSTALLING : To avoid electrical shock , turn off electrical circuits that pass through the wall where 5 . BE SURE furnace is for type of gas to be used . Check you are going to install the furnace . the rating plate by the gas valve in the lower cabinet . 19 . Do not change it to use other gases . Unsafe opera - BE AWARE of good safety practices by wearing per - tion could result and could cause bodily injury and sonal protective equipment such as gloves and safe - death . ty glasses to avoid being injured by sharp metal edges inor around furnace and while cutting or drilling holes 6 , For Natural gas , the minimum inlet gas supply in wood and or sheet metal , pressure for the purpose of input adjustment is 5 " col - 20 . umn . The maximum inlet gas supply pressure is 7 " CAUTION : Label all wires prior to disconnection when water column . servicing controls . Wiring errors can cause improper For L . R gas , the minimum inlet gas supply pressure and dangerous operation . Verify proper operation after for the purpose of input adjustment is 11 " water col - servicing . WARNING DO NOT USE THIS HEATER IF ANY PART HAS BEEN UNDER WATER . IMMEDIATELY CALL A QUALIFIED SERVICE TECHNICIAN TO INSPECT THE HEATER AND TO REPLACE ANY PART OF THE CONTROL SYSTEM I AND ANY GAS CONTROL WHICH HAS BEEN UNDER WATER . 4 , . , , - 4 m
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Unpack Your Furnace lost or damaged before you need them . This direct - vent furnace is packaged complete including the vent cap , vent tube and air inlet tube ready for instal - NOTE lation on an exterior wall with a total thickness of from 5 inches minimum to a maximum of 9 inches . Check the burner rating plate , located in burner compart - ment , to make sure your furnace is equipped to operate Open the carton and remove all parts . on the type of gas available ( either Natural or L IR Gas ) . Do NOT convert unit from Natural Gas to L . R Gas or from Examine all packing material carefully . Look for loose parts L . R Gas to Natural . before discarding . Store all parts where they cannot be Basic Tools Needed Tin snips Hand drill or properly grounded electric drill 8 " adjustable wrench Expansion bit 1 / 2 " to 1 - 5 / 8 " or 1 / 2 " or 1 - 1 / 2 " blade bits 12 " adjustable wrench 1 / 8 " and 3 / 16 " drill bit ( metal ) Key hole saw or Sabre saw 6 ft . folding rule or tape measure Hack saw Screwdriver ( Phillips head ) 2 - 10 " or 12 " pipe wrenches Pliers ( wire cutting ) Hammer Gloves and safety glasses Stud Iocator or small finish nails Basic Materials Pipe joint compound resistant to L . IR Gases . Pipe and fittings to make connections to furnace ( see page 10 ) . Electrical wiring supplies as needed for optional blower if equipped ( see page 9 ) . Caulking compound - silicone rubber with a temperature rating of 500 ° E Minimum wire size is # 14 gauge copper . Do not use types advertised as paintable or for bath tub use as most contain fillers and will not withstand high temperatures . Installing Your Wall Furnace IMPORTANT The following steps are needed for proper installation and safe operation of your furnace . If you have any doubts as For satisfactory and trouble - free operation be sure to : to any requirements , check with local authorities for local 1 . Properly locate the furnace within the space to be and state codes affecting the installation . heated . Obtain professional help where needed . 2 . Provide for adequate combustion air around vent cap DO NOT install these furnaces in a travel trailer , recrea - on outside , see Fig . 1 , page 6 and adequate air circula - tional vehicle , or moble home . tion around cabinet inside the open room , see Fig . 2 , page 6 . 3 . Maintain all minimum clearances on pages 6 and 7 which apply to your furnace model . Helpful Installation Information American National Standard Z223 . 1 current edition " Na - The following booklets will help you in making the installa - tional Fuel Gas Code . " tion . Check at the library or they may be purchased from the source listed below . In Canada : CAN / CGA - B149 . 1 ( . 2 ) Canadian Standard . Obtain from - American National Standards Institute , Inc . , ANSI / NFPA 70 current edition " National Electrical Code . " In Canada : C22 . 1 Canadian Electrical Code . 1430 Broadway , New York , NY 10018 . - - 5 - -
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Locating Wall Furnace Consider the following points before attempting to install MINIMUM DIMENSIONS FROM VENT the furnace : ALL MODELS 1 . This is a direct vent wall furnace . It must be installed on an OUTSIDE WALL for proper venting of flue gases ( Fig . 1 ) . 2 . Wall furnace can be surface mounted on an outside wall up to 24 inches thick when using an optional VENT 3o . , , , EXTENSION KIT . 3 . Check the clearances needed from the furnace and vent ( Figs . 1 and 2 ) . You must place the furnace where you will have no less than the clearances shown . 4 . The outside vent must be at least 18 inches away from any window or other building opening . 5 . The furnace will not work if anything stops free entry of fresh air into the vent , or free flow of flue gases from it . Be sure the center of the vent cap is at least 12 inches above ground level or shrubs as shown in Fig . 1 . Make sure shrubs are kept trimmed . It must also be at least 18 inches from any wall or other blockage and 30 inches below any overhang . 6 . Try to place the furnace near the center of the space to be heated for good air circulation . Do not put it behind a door or draperies . Do not put in a closet , alcove , hallway or other confined space . 7 . Be sure that gas piping and electrical wiring ( optional INTERIOR CLEARANCES blower only ) can be brought to the furnace . See sec - tions on gas piping for your type of mounting . 8 . To provide adequate clearance and service access , the front of the furnace must face the open room . INTERIOR CLEARANCES ( Refer to Fig . 2 ) ( 1 ) 18 " MIN . MODELS 1403612 , 1403622 , 1403611 and 1403621 ( 2 ) 24 " MIN . 1 . There must be at least 1 - 3 / 16 inches of space between the floor ( top of floor covering ) and the bottom of cabinet . 2 . The top of the furnace must be at least 18 inches from the ceiling or other projecting overhang . 3 . The side of the furnace must not be closer than 2 in - ches to an adjacent wall . MODELS 2203612 , 2203611 , 2203622 , 2203621 , 3003612 , 3003611 , 3003622 and 3003621 1 . There must be at least 5 - 1 / 2 inches of space between the floor ( top of floor covering ) and the bottom of cabinet . MOOEL : 1403611 1403612 2 . The top of the furnace must be at least 24 inches from 1403621 the ceiling or other projecting overhang . 1403622 3 . The side of the furnace must not be closer than 2 ( 2 ) MODEL : 2203611 ; 2203612 inches to an adjacent wall . 2203621 ; 2203622 3003611 ; 3003612 3003621 ; 3003622 RG , - - 6 - -
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Locating Wall Furnace ( cont . ) HOT SPOTS : COLD SPOTS : MODELS 1403622 , 1403621 , 2203622 , 2203621 , Concealed pipes or ducts Concealed pipes or ducts 3003622 and 3003621 Stairwells - drafts Fireplaces Doors - drafts Registers ( All other models have a built - in thermostat ) TV sets Unheated rooms on Radios other side of wall Choose a location for the thermostat about 5 feet above DEAD SPOTS : the floor on an inside wall . The thermostat wire supplied Lamps Behind doors Direct sunlight with your furnace is 20 feet long , which should be enough Kitchen Corners and alcoves to run up through the attic so the thermostat can be a max - imum of 16 feet from furnace measured in a straight line , After picking a location that meets the requirements , in - spect the wall , floor and outside areas . Make sure there or approximately 12 feet from the furnace if the wire is run under the floor . The thermostat should be sensing average are no pipes , wiring , or anything else that would interfere with furnace or vent or thermostat installation . If required , room temperature , avoid the following : move them or pick a new location . Installation BEFORE YOU BEGIN : To avoid electrical shock turn off Make sure the inside and outside wall openings are aligned so tubes and vent will fit properly . electrical circuitsthat pass through the wall where you are going to install the furnace . IN NEW CONSTRUCTION frame in 9 - 1 / 4 inch x 9 - 1 / 4 inch opening centered between studs spaced 16 inches on This furnace must be installed using only the vent tube , center , and center point located as noted per Fig . 3 . air inlet tube and vent cap assembly supplied by the manufacturer . Before the furnace is installed an opening must be cut through the wall for the vent cap . . i NOllE : S - I . / , , x 9 - 1 / 40I : ' £ NblG MAYBE ROUNDOR SQUARECUT FIND THE STUDS Find the studs where the furnace is to be placed . Use a stud Iocator or small finishing nails . Repeatedly drive and remove a nail into the wall in the area of the stud until you find it . Then find one side . Leave the nail there . Drive another nail just on the other side of the same stud . The inside edge of the other stud should be about 14 - 1 / 2 inches from the one found . Drive a finishing nail on the inside edge of this stud , then another nail on the outside edge . Using a level , draw vertical lines that will represent the two stud center lines . CUT VENT OPENING After locating studs , use the cardboard template ( Fig . 4 , page 8 ) . Line up the CENTER OF STUD lines on the template with the center lines you have drawn on the wall . Use the template to draw the 9 - 1 / 4 inch diameter circle on the wall . Then mark the location of the gas supply line . Using a window , dooror wall corner for reference , measurere to find where vent will be on outside wall . Check to be su of proper clearances ( Figs . 1 and 2 , page 6 ) . If necessary , relocate for proper clearances . Drill a 1 / 4 inch hole in the wall at the vent opening center mark all the way through to the outside . Cut the 9 - 1 / 4 inch ( I ) MOD _ 1403611 ; 1403612 diameter hole through inside wall . Using the 1 / 4 inch hole 144 ) 3621 ; 1403622 as center , cut a matching hole in outside wall . It may be ( 2 ) MOOELS : 2203611 ; 2203612 ; 3003611 ; 3003612 petter to work from the outside when breaking through 2203621 ; 2203622 ; 3003621 ; 3003622 brick , stone or tile . RL3 - - 7 - -
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Installation ( cont . ) GAS AND ELECTRICAL SUPPLY OPENINGS IMPORTANT Holes must be drilled for the gas line ( and electrical For walls more than 9 inches thick , read note below . supply if you use an optional Blower Kit ) . Drill a 1 - 1 / 2 NOTE inch hole in wall for gas line where indicated on cardboard template or refer to Fig . 3 , page 7 . You will ( Refer to Fig . 5 . ) The vent tube " C " and air inlet tube " D " have to determine whether the gas line will enter the are factory installed for walls up to 9 inches thick only . For home through the outside wall or wall floor plate . These walt thicknesses up to 24 inches , follow the instructions instructions can only guide you in where the gas line packed with the appropriate factory built VENT EXTEN - will enter the furnace . SION KIT . See OPTIONAL ACCESSORIES on page 3 . TEMPLATE FURNACE MOUNTING Set the furnace body against the wall , legs on the floor , with the vent tubes ( " C " and " D " Fig . 5 ) extending TEMPLATE through the spacer plate . Fasten the furnace to the wall through holes at the top and bottom of the support legs using four ( 4 ) # 8 roundhead ( long ) screws ( " F " Fig . 5 ) provided . Push the air inlet shield " J " on from the exterior side of wall . Rotate the air inlet shield until notches on the end of the tube are straddling the standoff tabs on the mount - ing spacer plate " A " . Trim the air inlet shield " J " flush with the exterior of the wall . The gas line can be run at this time or done after the furnace is mount - ed . See section GAS SUPPLY and FASIEN LE PIPING , page 10 . TO WALL INLET SHIELD TRIM FLUSH Wl _ r _ © EX " [ ZRIOR WALL Q No electric power is required unless furnace is equipped with an optional blower kit . F EMBOSSED " TOP w Do not connect 115V service line to the gas valve or wall thermostat . MODELS WITH OPTIONAL BLOWER KIT 2302 ONLY Install an electrical junction box at the location shown in Fig . 7 , page 9 . Route the 115V electrical supply wir - ing to the junction box making sure MAS _ C ( _ to leave enough excess wire to make connections later . PLATE TO WALL ( _ INSTALL SPACER PLATE Installthe mounting spacer plate ( " A " Fig . 5 ) with spacers entering and centered within the 9 - 114 inch vent opening in wall . Level top of spacer FASTEN plate ( embossed top ) and fasten to in - TO WALL terior wall using six ( 6 ) # 8 roundhead ® ( long ) screws ( " B " Fig . 5 ) provided . RG . 5 _ 8I
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Installation ( cont . ) INSTALL VENT CAP POSITION OF VENT CAP Outside , place a single strip of mastic ( provided ) around EXTERIOR WALL the back flange of the vent cap ( " G " Fig . 5 , page 8 ) . In - stall the vent cap by inserting it into the air inlet tube and over the vent tube . IMPORTANT The top of the vent cap is embossed " TOP " . Install it in the correct position to prevent water from entering the wall . Level the vent cap and attach it to the outside wall with four ( 4 ) # 8 roundhead ( long ) screws ( Fig . 6 ) . If the wall surface is not flat ( shiplapped siding , etc . ) or less than 5 inches thickness use Thin Wall Collar Kit ( 9307 ) or , build up a flat surface with wood strips . Do not tilt or bend cap to fit uneven surfaces . The vent cap flange must be tight against the wall to prevent rain or wind penetra - tion . Use standard caulking compound if required ( not provided ) . \ For brick , masonry or plaster walls , it may be necessary \ to use lag screws or expanding anchor bolts which are k not furnished with the furnace . Optional Blower Installation and Operating Instructions The automatic fan switch " E " turns on the blower after 1 . Remove knock - out plates " A " and " B " from right side of furnace inner casing . the heater has been operating a few minutes and turns off the blower after the heater is shut off . 2 . Remove junction box cover , place blower and junction box assembly in position shown and fasten to inner cas - NOTE ing through pre - punched holes with screws " C " and Blower will notoperate unless fan switch is pulled to " On " " D " provided . position , either " High " or " Low . " To check " On " position , 3 . Remove knock - out " G " from bottom of junction box turn automatic fan switch " E " to 70 , then pull chain on and install 115V line in accordance with local electrical switch to obtain High , Low or Off position . Set the fan code , connecting as shown on the wiring diagram switch dial at 110 and readjust higher or lower as below . necessary to obtain blower operation within 4 to 5 minutes after the main burner is in operation . 4 . Replace junction box cover . 5 . After blower and junction box are installed , rotate The unit must be electrically grounded in accordance with ANSI / NFPA 70 current edition of the " National Electrical bushing " H " if needed to prevent motor wire binding Code . " In Canada : FollowC22 . 1 Canadian ElectricalCode . against blower case . IMPORTANT : 011yearly with SAE 20 high tamp o11 . BLOWER ACCESSORY KIT 2302 r _ lR Swt , ¢ h Illl4 i • lille • . I z - _ ; / 4 - i I I I = , - t / r I L1 115V _ . = • NEUT i " J'BOX = w , t ¢ _ - ' - - 8 i 16 - 1 / 2 " NOT ( : i Fact _ w _ N , 0 , , . . . . . . . . . . . , . . . . . . . . . I _ : : : ' . ' J _ : ' . . . . , . . . . . . . . . . . . . = I B _ - " _ : . _ , , _ - , . , t , _ . 4 / , 4 i , le . = 4i f le4t . to _ ¢ . U i _ . * lltqt F1NIItlfl ) SCREW • ekl er Nle oqllvll _ t4 . _ r 1ill , , , . . - . . . . . . , . - . , . I ; RIGHT
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Gas Supply & Piping 2 , Gas control valve , within the furnace , is shipped with a Do not thread pipe too far . Valve distortion or malfunc - seal over gas inlet tapping . Do not remove this seal until tion may result from excess pipe within control . ready to connect piping . Apply moderate amount of good quality dope to pipe only , leaving 2 end threads bare . If L . R Gas installa - WARNING tion , use compound resistant to action of liquefied DANGER OF PROPERTY DAMAGE , petroleum gases . BODILY INJURY OR DEATH . 3 , Use ground joint unions . MAKE SURE THE FURNACE IS EQUIPPED TO 4 . Install a drip leg to trap dirt and moisture before it can OPERATE ON THE TYPE OF GAS AVAILABLE . enter the gas valve . Drip leg must be a minimum of 3 MODELS DESIGNATED AS NATURAL GAS ARE TO inches long . BE USED WITH NATURAL GAS ONLY . FURNACE DESIGNATED FOR USE WITH LIQUEFIED 5 . Install a manual shut - off valve . PETROLEUM ( L . R ) GAS HAVE ORIFICES SIZED FOR COMMERCIALLY PURE PROPANE GAS . THEY CANNOT BE USED WITH BUTANE OR A GAS SUPPLY PIPING MIXTURE OF BUTANE AND PROPANE . DROP ] I PIPED ; R0UN0 JOINT GAS SUPP _ I I GAS UNION J _ SUPPLY For Natural Gas , the minimum inlet gas supply pressure . _ ; : _ Hor , ZONr AL i ' l ql , for the purpose of input adjustment is 5 " column . The max - imum inlet gas supply pressure is 7 " water column . For L . R Gas , the minimum inlet gas supply pressure for the purpose of input adjustment is 11 " water column . The RISER maximum inlet gas supply pressure is 13 " water column . l , _ 176 2 mini GAS Gas pressures and input to the burners must not exceed the rated input and pressure shown on the rating plate . On Natural Gas the manifold pressure should be 4 inches water column . The manifold pressure should be 11 inches water column for L . R Gas . See page 13 for operation above 2000 feet altitude . Orifice change may be required MiNiMUMor _ oP _ _ " SY _ UAAN _ uAASt _ SHUT OFF SUPPLY to suit gas supplied . Check with your local gas supplier . _ 3 , _ 1 / 6 _ r . nd ORIFICE SIZES ! ( SUPPLY \ l'X - - Furnace Technical Information , page 13 , shows the cor - rect orifice sizes for the different input ratings when using I ! GAUGE Natural or L . R Gas . I I hi ' , se ! , , GAS PIPING ' I I I The gas supply line must be of adequate size to handle the BTU / HR requirements and length of the run for the unit being installed . _ / _ ALL BEttO5 iN M [ TAL I . IC _ LJHING 514OULO B [ 5 _ , 4OOTH Determine the minimum pipe size from Fig . 10 , page 11 , _ " _ . AklTION 511UT OyF [ 14 [ M _ IN _ AS SUppI . y gEl'Oil [ N [ MOVING Eft [ ) 12 , _ p ro PN [ VENT GAS FIt ( IM FILLING Ttl [ WORK # . R _ . A TE . ST _ Ofl GAS L [ AK basing the length of the run from the gas meter or source AGE WIt [ N IIN _ TAI LAIlON IS COMPI _ ET [ to the unit . All piping must comply with local codes and ordinances or with the National Fuel Gas Code ( ANSI Z223 . 1 NFPA No . 54 ) , whichever applies . IN Canada : Follow CAN / CGA - B149 . 1 ( . 2 ) Canadian Standard . PROPER PIPING PRACTICE Refer to Fig . 8 for the general layout at the unit . It shows 2 IMPERFECT CONTRO L USE MOOERATE AMOUNT OF DOP [ THREADS the basic fittings needed . The following rules apply : 1 . Use new , properly reamed pipe free from chips such as steel or black iron pipe and fittings or other approved by local codes . - - 10n
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Gas Supply & Piping ( cont . ) Tighten all joints securely . GAS PtPE SIZES CHECKING THE GAS PIPING NATURAL GAS PIPE CAPACITY - BTU PER HOUR Test all piping for leaks . When checking gas piping to the ( INCLUDES FITTINGS ) furnace with gas pressure at less than 1 / 2 PSI , shut off PIPE SIZE manual gas valve for the furnace . If gas piping is to be LENGTH OF checked with the pressure at or above 1 / 2 PSI , the furnace PIPE - FEET 1 / 2 inch 3 / 4 inch 1 inch and manual shut off valve must be disconnected during 20 92,000 190,000 350,000 testing . ( SEE WARNING BELOW . ) Apply soap suds ( or 40 63,000 130,000 245,000 a liquid detergent ) to each joint . Bubbles forming indicates 60 50,000 105,000 195,000 a leak . Correct even the slightest leak at once . L . P . GAS PIPE CAPACITY - BTU PER HOUR WARNING ( INCLUDES FITTINGS ) LENGTH OF PIPE - FEET 112 inch 3 / 4 inch 1 inch DANGER OF PROPERTY DAMAGE , BODILY INJURY OR DEATH . 20 189,000 393,000 732,000 NEVER USE A MATCH OR OPEN FLAME TO TEST 40 129,000 267,000 504,000 FOR LEAKS . NEVER EXCEED SPECIFIED 60 103,000 217,000 409,000 PRESSURES FOR TESTING . HIGH PRESSURES MAY DAMAGE THE GAS VALVE AND CAUSE GAS CONNECTION OVER - FIRING WHICH MAY RESULT IN HEAT EX - CHANGER FAILURE . LIQUID PETROLEUM ( L . P . ) If installation is for L . P . Gas have L . P . installer use two - GAS IS HEAVIER THAN AIR AND IT WILL SE'I - FLE stage regulation and make all connections from storage IN ANY LOW AREA , INCLUDING OPEN DEPRES - tank to furnace . SION AND IT WILL REMAIN THERE UNLESS Use two pipe wrenches when making the connection to AREA IS VENTILATED . the valve to prevent turning or damage to gas valve . NEVER ATTEMPT START - UP OF UNIT BEFORE Connection between shut off valve and burner control THOROUGHLY VENTILATING AREA . assembly can be made with an A . G . A . / C . G . A . design cer - tified flexible connector if allowed by local codes . Thermostat Installation MODELS 1403622 , 1403621 , 2203622 , 2203621 , ROUTE THERMOSTAT CABLE 3003622 and 3003621 ( All other models are equipped with a built - in thermostat ) 1 . If an old thermostat is being replaced and is in'a satisfactory location and the wiring appears to be in good condition , use existing wiring . If indoubt , use new wire . 2 . If a new location is chosen or if this is a new installa - tion , thermostat cable must first be run to the location selected . All wiring must agree with local codes and ordinances . These instructions cover bringing the wire SMAL I . down from the attic but it can be run from a basement FINISH NAi l , 10 or crawl space using similar methods . LOCATE H _ ADER 3 . Before drilling hole in wall at selected location , drive a small finishing nail through the ceiling in the corner of the wall and ceiling above the thermostat location . Pull the nail out and push a small stiff wire through thele CABL [ hole so it can be found in the attic . Drill a 1 / 2 inch ho through the ceiling wall plate . 4 . Probe for obstructions in the partition . Then drill a 112 inch hole through wall at selected location for STIF WtRE 10 SNAG thermostat . CABLE 5 . From the attic , feed the thermostat cable or a stiff wire through the wall until even with thermostat location . - - 11 m
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Thermostat Installation ( cont . ) 6 . Snag thermostat cable through wall so that 6 inches 3 . Push any excess wire back through hole in wall and of cable protrudes . plug hole with insulation to prevent drafts from affect - ing thermostat operation . 7 . Route cable to wall furnace leaving enough excess cable to make the connections at the gas valve . 4 . Being sure to level thermostat for best appearance , fasten thermostat base to wall through mounting holes MOUNTING THE THERMOSTAT with screws provided . 1 . To remove the thermostat cover , grasp cover and pull 5 . Replace the thermostat cover . straight outward . Carefully remove and discard the NOTE packing tab protecting the switch contacts . 2 . Connect thermostat wires to the terminal screws on the Refer to installation instructions packed in the thermostat back of thermostat base . carton if you have any doubt about the above procedures . Thermostat Connection at Gas Valve MODELS 1403622 , 1403621 , 2203622 , 2203621 , down from the attic but it can be run from a basement 3003622 and 3003621 or crawl space using similar methods . ( All other models are equipped with a built - in thermostat ) 3 . Before drilling hole in wall at selected location , drive a small finishing nail through the ceiling in the corner 1 . If an old thermostat is being replaced and is in a of the wall and ceiling above the thermostat location . satisfactory location and the wiring appears to be in Pull the nail out and push a small stiff wire through the good condition , use existing wiring . If in doubt , use new hole so it can be found in the attic . Drill a 1 / 2 inch hole wire . through the ceiling wall plate . 2 . If a new location is chosen or if this is a new installa - tion , thermostat cable must first be run to the location 4 . Probe for obstructions in the partition . Then drill a 1 / 2 selected . All wiring must agree with local codes and inch hole through wall at selected location for thermostat . ordinances . These instructions cover bringing the wire THERMOSTAT GENERATOR INNER CASING £ D WIRE WHI'I _ WIRE 1 V LUAMS ( r _ ) _ i SHIELD P121200 ) ( OR _ ) ¢ mm . o _ P171600 JUMPER PILOT OBSERVATION DOOR WILUAMS P295200A ( OR ) P295201A WIRES ( : PEEP - HOLE COVER ) GENERATOR THERMOSTAT - MANUAL SPARK iGNITOR PRESS DOOR REPEATEDLY GROUND JOINT UNION CONTROL FITTING VALVE MANUALOFF DRIP LEG SHUT - GREEN KNOB VALVE RG . 13 - - 12 - -
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Furnace Technical Information MAIN BURNER OfliPJC8 HTG . CAPAO . MODEl . TYPE INPUT * RATING NUIBMm GAS RATING DILL DEC . QTY . IrTU / NR IITU / IHfl # 51 0670 1403612 NAT . 14,000 10,039 # 58 . 0420 1403611 L . P . G . 14,000 10,039 # 51 . 0670 1403622 NAT . 14,000 10,039 # 58 . 0420 1403621 LP . G . 14,000 10,039 # 45 . 0820 2203612 NAT . 22,000 16,462 # 55 . 0520 2203611 LP . G . 22,000 16,462 # 45 . 0820 2203622 NAT . 22,000 16,462 # 55 . 0520 16,462 2203621 LP . G . 22,000 # 42 . 0935 3003612 NAT . 30,000 21,849 # 53 . 0595 3003611 LP . G . 30,000 21,849 # 42 . 909355 3003622 NAT . 30,000 21,849 # 53 . 05 3003621 LP . G . 30,000 21,849 * For elevations above 2000 feet reduce ratings 4 % for each 1000 feet above sea level . Btuh = British Thermal Units per hour . The efficiency ratging of these appliances is a product thermal efficiency rating system determined under con - tinuous operating conditions and was determined independently of any installed system . Cabinet Installation MODELS 1403612 , 1403622 , 1403611 and 1403621 MODELS 2203612 , 2203611 , 2203622 , 2203621 , 3003612 , 3003611 , 3003622 and 3003621 Set cabinet over furnace body , dropping rear top flange between support legs and wall . Open cabinet door and Set cabinet over furnace body , dropping rear top flange attach cabinet to inner casing with two ( 2 ) sheet metal into slot in top of Spacer Plate and into slots between sup - ( short ) screws ( Fig . 14 ) . port legs and wall . When correctly positioned side to side , a dimple on the rear top flange will slide against the in - side of each support leg . Attach two ( 2 ) tension springs through bottom flange of heat exchanger and bottom of cabinet ( Fig . 15 ) . Fasten trim strip to bottom of support legs using two ( 2 ) sheet metal ( short ) screws ( Fig . 15 ) . REAR CABINET _ " _ ' m - p'p'p'p'p'p'p _ TOP FLANGE - Hr CABINET - - i : i iI I BINET ( CASING ) DOOR T _ _ _ - - 13 - - :
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Start - Up Procedure Start the furnace using the procedures in section CHECK THE GAS INPUT ( NATURAL GAS ONLY ) Operating Your Furnace on pages 15 through 19 . WARNING WARNING NATURAL GAS HEATING VALUE ( BTU PER CUBIC DANGER OF BODILY INJURY OR DEATH FOOT ) CAN VARY SIGNIFICANTLY , THEREFORE , IT IS THE INSTALLER'S RESPONSIBILITY TO SEE LIQUEFIED PETROLEUM ( L . E ) GAS IS HEAVIERW THAT BTU INPUT TO THE FURNACE IS ADJUSTED THAN AIR AND IT WILL SETTLE IN ANY LO PROPERLY . FAILURE TO DO SO COULD CAUSE AREA , INCLUDING OPEN DEPRESSIONS AND IT HEAT EXCHANGER FAILURE , ASPHYXIATION , FIRE WILL REMAIN THERE UNLESS AREA IS OR EXPLOSION , RESULTING IN DAMAGE , BODILY VENTILATED . INJURY OR DEATH . REFER TO THE NATURAL NEVER ATTEMPT START - UP OF UNIT BEFORE FUEL GAS CODE ( NFPA - 54 ) TO BE SURE THE FUR - NACE IS BURNING FUEL AT THE PROPER RATE . THOROUGHLY VENTILATING AREA • Underfiringcould cause inadequate heat , excessiveconden - sation or ignition problems . Overfiring could cause soot - Check the furnace operation as outlined in the following ing flame impingement or overheating of heat exchanger • instructions • If any sparking , odors or unusual noises are encountered , shut off electrical power immediately . Before starting natural gas input check , obtain heating Recheck for wiring errors , or obstructions in or near op - value of gas ( BTU per cubic foot ) at standard conditions tional blower motor • from your local supplier . This factor is used in " Check the Gas Input " section and procedure . NOTICE : To measure the input using the gas meter , proceed as follows : During the initial firing of this unit some smoke and odor may occur • We recommend ventilating the area during this Step 1 : Turn off gas supply to all other appliances except initial " break in period . " the furnace . Step 2 : With the furnace operating , time the smallest dial CHECK GASlNPUT AND PRESSURES on the meter for one complete revolution . If this For furnace located at altitudes between sea level and is a 2 cubic foot dial , divide the seconds by 2 ; if 2000 feet , the measured input must not be greater than it is a 1 cubic foot dial , use the time in seconds the input shown on the rating plate of the furnace . For as is . ( 3,600 = Sec . Per Hr . ) This gives the elevations above 2000 feet , the measured input must not seconds per cubic foot of gas being delivered to exceed the input of the rating plate reduced by 4 percent • the furnace . for each 1000 feet that the furnace is above sea level . Step 3 : Assuming natural gas witha heating value of 1000 Gas supply pressure and manifold pressure with the Btu per cubic foot and 34 seconds per cubic foot burners operating must also be as specified on the rating as determined by step ( 2 ) , then : plate . Input : 1,000 X 3,600 + 34 = 106,000 Btu Per Hour This measured input must not be greater than the input indicated on the rating plate of the furnace . TYPE OF GAS MANIFOLD PRESSURE , IN . W . C . Step 4 : Relight all other appliances turned off in step 1 Natural 4 above . Be sure all pilot burners are operating . L . R 11 ADJUST PILOT BURNER NOTE : Pilot gas may need adjustment depending on inlet Rated input will be obtained on 2500 B'FU propane at 11 pressure , increase or decrease to obtain proper inches manifold pressure with factory - sized orifices . If L . R setting . Gas having a different heating value is supplied , orifices Pilot flame should surround 3 / 8 inch to 112inch of the ther - must be changed by a qualified installer before the fur - mocouple tip . Toadjust , if needed , remove pilotadjustment nace is operated • cap ( do not lose gasket ) . CHECK THE MANIFOLD GAS PRESSURE 1 , Remove screw cover over pilot adjusting screw . A tapped opening is provided in the gas valve to facilitate 2 . Insert small screwdriver . Adjust flame as needed . Turn measuring the manifold gas pressure . A " U Tube " screw counterclockwise ( I ¢ - _ ) to increase flame , manometer having a scale range from 0 to 12 inches ofd clockwise ( _ ) to decrease . water should be used for this measurement . The manifol 3 . Turnthermostat to highest setting . Main burners should pressure must be measured with the burner and pilot light quickly and smoothly . Turn thermostat to lowest operating . Any major changes in the flow must be made setting . Main burners should go out . Pilot should re - by changing the size of the burner orifice . Check with local main lighted . gas company for proper orifice size . 4 . Replace screw cover over pilot adjusting screw . m14m
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Operating Your Furnace WALL THERMOSTAT MODELS 1403622 , 1403621 , BUILT - IN THERMOSTAT MODELS 1403611 , 1403612 , 2203622 , 2203621 , 3003622 and 3003621 2203611 , 2203612 , 3003611 and 3003612 Refer to this sheet and sheet 18 ( or ) 19 for " Safety , Refer to this sheet and sheet 16 ( or ) 17 for " Safety , Operating Instructions " and " Turn Gas Off To Appliance . " Operating Instructions " and " Turn Gas Off To Appliance . " These furnaces are equipped with a manually operated These furnaces are equipped with a manually operated piezo spark ignition device to ignite the pilot gas . Follow piezo spark ignition device to ignite the pilot gas . Follow the steps under " Operating Instructions " and use the the steps under " Operating Instructions " and use the manual spark ignitor ( shown in Fig . 13 ) to light the pilot manual spark ignitor ( shown in Fig . 13 ) to light the pilot in place of a match . Press spark ignitor button repeatedly . in place of a match . Press spark ignitor button repeatedly . WARNING WARNING DO NOT STORE OR USE GASOLINE OR OTHER THE SURFACE OF THE FURNACE IS HOT DUR - FLAMMABLE LIQUIDS OR VAPORS NEAR THE ING OPERATION . KEEP CHILDREN , CLOTHING , FURNACE . FURNITURE , AND FLAMMABLE MATERIAL AWAY FROM IT . On new installations the gas lines will be filled withair and LIGHTING THE FURNACE WITH A MATCH it may take several tries to establish the pilot flame . Check the manual shut - off valve in the gas line . It must If the spark ignitor fails to provide spark to light the pilot , be in the open position ( handle parallel to gas line ) before loosen the wing nut holding the peep hole cover . This will you can light your furnace . open the peep hole into the heat exchanger and the pilot can be ignited with a match . Your furnace is equipped with a 100 % safety pilot which will shut off the gas valve in case the pilot is not burning 1 . Follow the instructions under " LIGHTING AND or functioning properly . Make sure the pilot is adjusted pro - OPERATING INSTRUCTIONS " and use a match to perly and that the thermocouple or generator connection light the pilot as instructed . at the control valve is tight . If furnace will not stay lit , call your local gas utility company . WARNING Your furnace is equipped with a built - in pressure regulator . DANGER OF IGNITION FLASH L . R Gas models also have a regulator at the supply tank . AND EYE INJURY OR BLINDNESS If you have a question regarding the amount of fuel consumed , call your local gas utility or gas supplier . DO PROTECT YOUR EYES . NEVER ATTEMPT TO NOT TAMPER WITH THE REGULATORS OR BURNER LIGHT PILOT WITH GAS CONTROL VALVE ORIFICES , AS PROBLEMS RESULTING THEREFROM KNOB IN " ON " POSITION . FLASHBACK COULD MAY CAUSE PRODUCT FAILURE NOT COVERED BY OCCUR . WARRANTY . Input and Output shown on the Rating Plate , located in burner compartment , must not be exceeded . 2 . After lighting the pilot , carefully replace the pilot IMPORTANT observation door ( peep hole cover ) and tighten wing KEEP BURNER AND CONTROL COMPARTMENT nut down . CLEAN . WARNING THERMOSTAT ( TYPICAL ) DANGER OF BODILY INJURY OR DEATH DO NOT OPERATE THE FURNACE WITH A BROKEN OR MISSING PILOT OBSERVATION DOOR . SQUEEZE RRMLY 9011 " 1 SIDES AND UFI " TO REMOVE COVER - - 15 - -
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FOR YOUR SAFETY , READ BEFORE LIGHTING WILLIAMS GAS CONTROL VALVE P322053 & P322054 I WARNING : If you do not follow these instructions exactly , a fire or explosion may result causing property damage , personal injury or loss of life . A . This appliance has a pilot which must be lighted by • If you cannot reach your gas supplier , call the fire hand . When lighting the pilot , follow these instructions department . exactly . C . Use only your hand to push in or turn the gas control B . BEFORE LIGHTING smell around the appliance area knob . Never use tools . If the knob will not push in or for gas . Be sure to smell next to the floor because some turn by hand , don't try to repair it , call a qualified serv - gas is heavier than air and will settle on the floor . ice technician . Force or attempted repair may result in a fire or explosion . WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance . D . Do not use this appliance If any part has been under • Do not touch any electric switch ; do not use any water . Immediately call a qualified service technician to phone in your building . inspect the appliance and to replace any part of the • Immediately call your gas supplier from a neighbor's control system and any gas control which has been phone . Follow the gas supplier's Instructions . under water . OPERATING INSTRUCTIONS 1 . STOPI Read the safety information on front label . 9 . Push in gas control 2 . Turn off all electric power to the appliance ( if applicable ) . knob slightly and turn " n - - 3 . Open control access panel . counterclockwise I1 _ 4 . Turn temperature dial clockwise _ to " LO " . to " PILOT . " 5 . Push in gas control knob slightly and turn 10 . Push In control knob all the clockwise / _ to " OFR " way and hold in . Immediately THERMO - PILOT T £ 14P £ RATURF _ light the pilot . COUPLE BURNER DIAL _ . FGAS CONTROL Continue to hold the control knob In for about one ( 1 ) I _ _ e ! ot / Hoe _ owN minute after the pilot is lit . Release knob and it will pop back up . Pilot should remain lit . If it goes out , repeat steps 5 through 10 . • If knob does not pop up when released , stop and immediately call your service technician or gas supplier . • If the pilot will not stay lit after several tries , turn the gas control knob to " OFF " and call your service NOTE : Knob cannot be turned from " PILOT " to " OFF " technician or gas supplier . unless knob is pushed in slightly . Do not force . 11 . Close pilot observation door , tighten wlngnut ( if equipped ) . 6 . Wait five ( 5 ) minutes to clear out any gas , then smell for Turn gaa control knob counterclockwise Jll ; - - ' _ to " ON " . gas , Including near the floor . If you then smell gas , STOP ! 12 . Sensing bulb is now activated . Set temperature dial to Follow " B " in the safety information above . If you don't smell gas , go to the next step . desired temperature ( 1 - 5 ) . Close control access panel . 7 . Loosen wlngnut and open pilot observation door ( if 13 . equipped ) . 14 . Turn on all electric power to the appliance 8 . Find pilot - - follow metal tube from gas control . The pilot is ( if applicable ) . mounted on side of burner . TO TURN OFF GAS TO APPLIANCE 1 . Turn off all electric power to the appliance if serv - 3 . Push in gas control knob slightly and turn ice is to be performed ( if applicable ) . clockwise _ to " OFF . " Do not force . 2 . Open control access panel . 4 . Close control access panel . WARNING : DUE TO HIGH SURFACE TEMPERATURES - - KEEP CHILDREN , CLOTHING , FURNITURE OR ANY COMBUSTIBLE MATERIAL AWAY FROM FURNACE . IMPORTANT : KEEP BURNER AND CONTROL COMPARTMENT CLEAN , SEE INSTALLATION AND OPERATING INSTRUCTIONS ACCOMPANYING APPLIANCE . LIGHTING PILOT If furnace is equipped with a manual spark igniter follow next steps : 1 . Review all operating instructions . 2 . When lighting pilot , depress red button located to the lower dght side of burner compartment . ( view pilot through observation door , repeat several times If necessary ) 3 . If pilot fails to light or spark is not present while actuating , follow steps 5 through 10 . - - 16 - -
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FOR YOUR SAFETY , READ BEFORE LIGHTING WILLIAMS GAS CONTROL VALVE P295300A & P295301A I WARNING : If you do not follow these instructions exactly , a fire or explosion may result causing property damage , personal injury or loss of life . A . This appliance has a pilot which must be lighted by • If you cannot reach your gas supplier , call the fire hand . When lighting the pilot , follow these instructions department . exactly . C . Use only your hand to push in or turn the gas control B . BEFORE LIGHTING smell around the appliance area knob . Never use tools . If the knob will not push in or for gas . Be sure to smell next to the floor because some turn by hand , don't try to repair it , call a qualified serv - gas is heavier than air and will settle on the floor . ice technician . Force or attempted repair may result in a fire or explosion . WHAT TO DO IF YOU SMELL GAS D . • Do not try to light any appliance , Do not use this appliance if any part has been under • Do not touch any electric switch ; do not use any water . Immediately call a qualified service technician to phone in your building . inspect the appliance and to replace any part of the • immediately call your gas supplier from a neighbor's control system and any gas control which has been under water . phone . Follow the gas supplier's instructions . OPERATING INSTRUCTIONS 1 . STOPI Read the safety information above . 8 . Turn knob on gas control n 2 . Turn off all electric power to the appliance ( if applicable ) . counterclockwise 3 . Open control access panel . to " PILOT . " 4 . Push in gas control knob slightly and turn 9 . Push in control knob all the clockwise _ to " OFR " way and hold in . immediately light the pilot . THERMO - PILOT COUPLE BURNER Continue to hold the control knob In for about one ( 1 ) minute after the pilot is lit . Release knob and it will pop back up . Pilot should remain lit . If it goes out , repeat steps 5 through 10 . • If knob does not pop up when released , stop and immediately call your service technician or gas supplier . • If the pilot will not stay lit after several tries , turn the gas control knob to " OFF " and call your service NOTE : Knob cannot be turned from " PILOT " to " OFF ' " technician or gas supplier . unless knob Is pushed in slightly . Do not force . 10 . Close pilot observation door , tighten wingnut ( if equipped ) . 11 . Turn gas control knob counterclockwise _ to " ON " . 5 . Wait five ( 5 ) minutes to clear out any gas , then smell for Burner is now under control of the thermostatic sensing gas , including near the floor . If you then smell gas , STOPI element . Turn temperature dial ( numbered 1 through 8 ) Follow " ' B ' " In the safety information above . If you don't counterclockwiae / p _ - _ toward 8 to obtain desired smell gas , go to the next step . temperature . 6 . Loosen wlngnut and open the pilot observation door ( if 12 . Close control access panel . equipped ) . 13 . 7 . Find pUot - - follow metal tube from gas control . The pilot Is Turn on all electric power to the appliance mounted on side of burner . ( if applicable ) . TO TURN OFF GAS TO APPLIANCE 1 . Turn off all electric power to the appliance if serv - 3 . Push In gas control knob slightly and turn ice is to be performed ( if applicable ) . clockwise ( - - q to " OFF . " Do not force . 2 . Open control access panel . 4 . Close control access panel . WARNING : DUE TO HIGH SURFACE TEMPERATURES - - KEEP CHILDREN , CLOTHING , FURNITURE OR ANY COMBUSTIBLE MATERIAL AWAY FROM FURNACE . IMPORTANT : KEEP BURNER AND CONTROL COMPARTMENT CLEAN , SEE INSTALLATION AND OPERATING INSTRUCTIONS ACCOMPANYING APPLIANCE . - - 17 B
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FOR YOUR SAFETY , READ BEFORE LIGHTING WILLIAMS GAS CONTROL VALVE P121200 & P171600 I WARNING : If you do not follow these instructions exactly , a fire or explosion may result causing property damage , personal injury or loss of life . • If you cannot reach your gas supplier , call the fire A , This appliance has a pilot which must be lighted by department . hand , When lighting the pilot , follow these instructions exactly . C . Use only your hand to push in or turn the gas control knob . Never use tools . If the knob will not push in or B . BEFORE LIGHTING smell around the appliance area turn by hand , don't try to repair it , call a qualified serv - for gas . Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor . ice technician . Force or attempted repair may result in a fire or explosion . WHAT TO DO IF YOU SMELL GAS O . Do not usa this appliance if any part has been under • Do not try to light any appliance . water . Immediately call a qualified service technician to • Do not touch any electric switch ; do not use any inspect the appliance and to replace any part of the phone in your building , control system and any gas control which has been • Immediately call your gas supplier from a neighbor's under water . phone . Follow the gas supplier's instructions . OPERATING INSTRUCTIONS GENERATOR { I 1 . STOPI Read the safety information above . 2 . Turn off all electric power to the appliance ( if applicable ) . 9 . Push in gas control _ _ . . . _ _ _ knob slightly and turn 3 . Set the thermostat to lowest setting . counterclockwise _ 4 . Open control access panel , to " PILOT . " PILOT 5 . Push in gas control knob slightly and turn 10 . Push in control knob all the way and BURNER clockwise _ to " OFF . " hold in . Immediately light the pilot . Continue to hold the control knob in for about one ( 1 ) minute after the pilot is lit . Release knob and It will @ _ < - _ - _ _ ) F GAS CONTROL pop back up . Pilot should remain lit . If It goes out , KNOB SHOWN repeat steps 5 through 10 , IN " OFF " POSITION • If knob does not pop up when released , stop and ; [ ] i _ , l [ ] 0 [ ] a immediately call your service technician or gas i supplier . I @ @ • If the pilot will not stay lit after several tries , turn the gas control knob to " OFF " and call your service NOTE : Knob cannot be turned from " PILOT " to " OFF " technician or gas supplier . unless knob is pushed in slightly . Do not force . 11 . Close pilot observation door , tighten wingnut 6 . Wait five ( 5 ) minutes to clear out any gas , then smell for ( if equipped ) . gas , including near the floor . If you then smell gas , STOP ! 12 . Turn gas control knob counterclockwise _ to " ON " , Follow " B " in the safety information above . If you don't 13 . Close control access panel . smell gas , go to the next step . 14 . Turn on all electric power to the appliance 7 . Loosen wingnut and open the pilot observation door ( if ( if applicable ) . equipped ) . 8 . Find pilot - - follow metal tube from gas control . The pilot is 15 . Set thermostat to desired setting . mounted on side of burner . TO TURN OFF GAS TO APPLIANCE 1 . Set the thermostat to lowest setting . 2 . Turn off all electric power to the appliance if service is to be performed ( if applicable ) . 3 . Open control access panel . 4 . From " ON " position , depress and turn gas control knob clockwise _ to " OFF " position . Do not force . 5 . Close control access panel . WARNING : DUE TO HIGH SURFACE TEMPERATURES - - KEEP CHILDREN , CLOTHING , FURNITURE OR ANY COMBUSTIBLE MATERIAL AWAY FROM FURNACE . IMPORTANT : KEEP BURNER AND CONTROL COMPARTMENT CLEAN . CONNECTION WIRING DIAGRAM FOR WALL THERMOSTAT MODELS THERMOSTAT r - 7 GENERATOR LEGEND - - FACTORY WIRED LOW VOLTAGE SCREW " FERMINAL LOW VOLTAGE LAc , - , I NOTE : if any of the odglnal wire as supplied with the appliance has to be replased , use only / I 18 Ga . , 4 / 64 insulaton , 105o C . AWM copper wire or its equivalent . - - 18 - -
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FOR YOUR SAFETY , READ BEFORE LIGHTING WILLIAMS GAS CONTROL VALVE P295200A & P295201A I WARNING : If you do not follow these instructions exactly , a fire or explosion may result causing property damage , personal injury or loss of life . • If you cannot reach your gas supplier , call the fire A . This appliance has a pilot which must be lighted by department . hand . When lighting the pilot , follow these instructions exactly . C , Use only your hand to push in or turn the gas control knob . Never use tools . If the knob will not push in or B . BEFORE LIGHTING smell around the appliance area turn by hand , don't try to repair it , call a qualified serv - for gas . Be sure to smell next to the floor because some ice technician . Force or attempted repair may result in a gas is heavier than air and will settle on the floor . fire or explosion . WHAT TO DO IF YOU SMELL GAS O . Do not use this appliance if any part has been under • Do not try to light any appliance , water . Immediately call a qualified service technician to • Do not touch any electric switch ; do not use any inspect the appliance and to replace any part of the phone in your building . control system and any gas control which has been • Immediately call your gas supplier from a neighbor's under water . phone . Follow the gas supplier's instructions . OPERATING INSTRUCTIONS S . 1 . STOP ! Read the safety information above . Find pilot - - follow metal tube N 2 . Set the thermostat to lowest setting . from gas control . The pilot is mounted on side of burner . 3 . Turn off all electric power to the appliance . ( If applicable ) , 9 . Turn knob on gas control 4 . Remove control access panel . 5 . Push in gas control knob slightly and turn counterclockwise _ to " PILOT . " clockwiee / _ I to " OFF . " GENERATOR PILOT BURNER L _ _ L _ - L _ 1 _ GAS CONTROL 10 . Push in control knob all the way and hold in . Immedi - I I _ " / _ ' J _ - - - ' _ KNOB SHOWN ately light the pilot . Continue to hold the control knob In for about one ( 1 ) POSITION minute after the pilot Is lit . Release knob and it will pop back up . Pilot should remain lit . If It goes out , repeat steps 5 through 10 . • If knob does not pop up when released , stop end immediately call your service technician or gas supplier . • If the pilot will not stay lit after several tries , turn NOTE : Knob cannot be turned from " PILOT " to " OFF " the gas control knob to " OFF " and call your service unless knob is pushed in slightly . Do not force . technician or gas supplier . 6 . Wait five ( 5 ) minutes to clear out any gas , then smell for 11 . Close pilot observation door , tighten wingnut gas , including near the floor . If you then smell gas , STOP ! ( if equipped ) . Follow " B " in the safety information above . If you don't 12 . Turn gas control knob counterclockwise IP ' _ to " ON " . smell gas , go to the next step . 13 . Close control access panel . 7 . Loosen wlngnut and open the pilot observation door ( if 14 . " rum on all electric power to the appliance equipped ) . ( if applicable ) . 15 . Set thermostat to desired setting . TO TURN OFF GAS TO APPLIANCE 1 . Set the thermostat to lowest setting . 2 . Turn off all electric power to the appliance if service is to be performed ( if applicable ) . 3 . Open control access panel . 4 . From " ON " position , depress and turn gas control knob clockwise / _ to " OFF " position . Do not force . 5 . Close control access panel . WARNING : DUE TO HIGH SURFACE TEMPERATURES - - KEEP CHILDREN , CLOTHING , FURNITURE OR ANY COMBUSTIBLE MATERIAL AWAY FROM FURNACE . IMPORTANT : KEEP BURNER AND CONTROL COMPARTMENT CLEAN . - - 19 - -
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How To Care For Your Furnace MAINTENANCE BURNER FLAME It is recommended that a competent serviceman perform Start the furnace and let it operate about 10 minutes then , these checks at the beginning of each heating season : look at the burner flame . Flames should be soft and blue , see Fig . 27 . If flames appear abnormal , contact your gas a . Burner and Control Compartments company . Keep clean at all times . Clean all foreign materials from top of burner . For access to burner : ( 1 ) Remove cabinet . ( Reverse procedure outlined in MAIN BURNER FLAME PATTERN " Cabinet Installation " . ) ( 2 ) Shut off gas supply to furnace . 111111I1ll1 / l1lll1 / tlltl ( 3 ) Remove six ( 6 ) # 10 - 24 screws securing control door assembly to heating element . ( 4 ) Carefully remove control door and burner assembly from heating element . Be careful not to damage the control door gasket . TOO MUCH / dR . CONES BRIGHT BLUE AND REAL SHARP POINTS . ( 5 ) After cleaning , replace control door and burner SOME33MES UFTING FROM PORTS assembly by reversing above procedure . Replace the control door gasket if its condition is in doubt . CORRECT b . Motor and Blower For maximum motor life of optional blower , the manufacturer recommends the motor be inspected yeady , dust blownout of the ventilating holes . Oil yearly with SAE 20 high temp oil . INSUFFI'CIENT AJR , LONG OPENOR INN _ CONESUGHT BLUE POINTEDTOPj c . Vent System END CONES . YELLOW IN COL OUTER MANTLE UGHT BLUE . PROPER FLAME 1 / 2 " TO 3 / 4 I ' HIGH Check vent cap and tube to be sure birds or children have not blocked inlet air or flue openings . The flowbe of combustion and ventilation air must not obstructed . Clean or replace before using furnace . d . Pilot Flame See paragraph " ADJUST PILOT BURNER " under Start - Up Procedure , page 14 , and Fig . 28 . TOP VIEW e . Appliance Area For better circulation and more effective heating , do PILOT - SIDE VIEW not place obstructive furniture closer than 4 feet to the BLUE FLAME front of the cabinet or 2 feet to the side of the cabinet . The appliance area must be kept clear and free from combustible material , gasoline and other flammable 3ENERATOR vapor and liquids . ORANGE " rip S UGH1 " NAT , GAS WARNING f TYPICAL BLUE CONE DANGER OF BODILY INJURY OR DEATH . . GAS TURN OFF ELECTRIC POWER SUPPLY AT _ NAT ICAL . uECONE DISCONNECT SWITCH , FUSE BOX OR SERVICE END VIEW END V1EW PANEL BEFORE REMOVING ANY DOORS OR AC - CAST IRON BURNER CAST IRON BURNER CESS OR SERVICE PANELS FROM UNIT , IF LP . G . NAT . GAS EQUIPPED WITH ACCESSORY BLOWER . f . Cabinet Finish Clean cabinet with damp rag . Never use abrasive cleaners . Cabinets are finished in heat resistant bak - ed enamel - DO NOT refinish with wall paint . - - 20 - -
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Troubleshooting Gravity Direct Vent Wall Furnace SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION 1 . Pilot will not stay lit after A . Thermocouple or gen - Check pilot flame - must impinge on thermocou - erator producing insuffi - pie or generator . Be sure thermocouple or generator carefully following lighting instructions . cient millivoltage . is fully inserted in bracket . Make sure pilot lighting door is tightly closed . B . Loose or dirtythermocou - Clean and / or tighten thermocouple or generator pie or generator connec - connections at valve . tions at gas valve . C . Thermocouple or gen - Check thermocouple with millivolt meter . Should erator defective . generate approximately 30 millivolts when not con - nected to load . When connected to load , should generate approximately 14 millivolts ; if below 7 millivolts , replace . Check generator with millivolt meter . Take reading at generator terminals of valve with pilot burning and thermostat contacts closed . Should be 140 millivolts or more . D . Grounded thermostat Remove thermostat lead wires from valve terminals . lead wire ( Wall ther - If pilot now stays lit , trace thermostat wiring circuit mostat model ) . for a ground . May be grounded to furnace or gas supply . Replace gas valve after above is checked out . E . Thermomagnet pilot safety defective . A . Manual valve not turned 2 . Pilot burning - no gas Turn gas valve knob to " On " position . to main burner . to " On " position after lighting pilot . B . Temperature dial or ther - Set temperature dial or thermostat to a position call - mostat not turned to a irtg for heat . position calling for heat . C . Plugged burner orifice . Check - clean or replace . D Temperature dial out of See valve manufacturer's instructions . calibration . ( Bulb control model . ) E . Mis - wired or broken ther - Check connections at valve terminals . Jumper mostat wires . Defective across thermostat terminals on valve - if valve thermostat . 0Nail thermo - operates check thermostat wires . stat model . F Pilot generator may not See 1A above . be generating sufficient millivoltage to open valve . G . Defective valve . Replace . 3 . Burner comes " On " but Check vent tube and air inlet tube . Follow installa - A . Tubes not properly installed . goes " Off " after operating tion instructions . Be sure joints are tight and both for no apparent reason . tubes are in place . Use only tubes furnished . Do not extend tubes beyond original length . B . Furnace may be Check for high pressure at valve - see rating plate overrated . for specified minimax supply pressure . Check burner orifice . ( continued next page ) g21 - -
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Troubleshooting . . . ( cont . ) SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION 4 , Furnace operates but A , Sensing bulb not located Check location of sensing bulb - should be attach - turns " Off " before room ed to back of control valve . properly . ( Bulb control temperature is attained . model , ) B . Temperature dial out of See valve manufacturer's instructions . calibration . ( Bulb control model . ) C . Thermostat location . Check thermostat location - should not be in the ( Wall thermostat model . ) path of warm air discharge from furnace , near a lamp , or above a " IIV . or stereo set . D . Defective thermostat . Check thermostat calibration or replace . ( Wall thermostat model . ) A . 5 . Furnace not producing Furnace may be too small Check heat loss calculations . sufficient heat . for space being heated . B . Furnace not burning at Check for low gas pressure ( see 3B page 21 ) . Check full rate . burner orifice . A . 6 . Furnace operates but will Sensing bulb not located Check location of sensing bulb - should be attach - not shut " Off " when room ed to back of control valve . properly . ( Bulb control temperature is attained . model . ) B . Temperature dial out of See valve manufacturer's instruction . calibration . ( Bulb control model . ) C . Bulb or capillary broken . Replace valve . ( Bulb control model . ) D . Thermostat wiring defec - Thermostat lead wires may be shorted together tive . ( Wall thermostat caused by a nail or staple - check by removing ther - model . ) mostat leads from valve terminals . E . Thermostat location . Check thermostat location - if on an outside wall ( Wall thermostat model . ) or a hole in wall behind thermostat is causing cold air to contact thermostat - relocate . E Defective thermostat . Check thermostat calibration or replace . ( Wall thermostat model . ) G . Dirt under valve seat or Replace valve . valve stuck open . A . 7 . Pilot outage problem . Pilot flame may be low Adjustpilotflame . Check vent tube and air inlet tube or blowing ( high ) caus - ( see 3A page 21 ) . Be sure pilot lighting door is clos - ing safety to drop out . ed . Pilot orifice or aerating hole may be plugged ( check for spiders , webs or other organic material ) . A . 8 . Abnormal operation . Delayed ignition - pilot Adjust pilot flame . flame may be too low . B . Expansion noise ticking . Check installation - casing may be distorted by be - ing fastened to an uneven wall . Vent tube and air inlet tube may be in a bind with vent cap assembly - be sure hole through wall is correct and parts fit without binding . - - 22 - -
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Williams Direct Vent Gas - Fired Wail Furnace REPLACEMENT PARTS FOR OPTIONAL BLOWER ACCESSORY 2302 MODELS : 2205611 ; 2205612 ; 2205621 ; 2205622 5005611 ; 500561 2 ; 5005621 ; 5005622 USE ONLY MANUFACTURE'S AUTHORIZED PARTS REF . PART NO . DESCRIPTION NO . 1 6A24 SWITCH BRACKET 2 6B33 SWITCH BOX 3 P321017 SWITCH - PULL CHAIN P129700 SWITCH - AUTOMATIC 4 5 6A23 SWITCH BOX COVER 6 P130600 MOTOR MOTOR SUPPORT 7 6A93 8 P128400 VIBRATION ISOLATOR ( 2 REQ'D ) 9 P130700 BLOWER WHEEL 10 6B64 BLOWER FRAME NOTE : SCREWS AND BOLTS ARE STANDARD HARDWARE ITEMS , AVAILABLE LOCALLY . - - 23 - - -
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Williams Direct Vent Gas - Fired Wall Furnace REPLACEMENT PARTS FOR MODELS : 1403611 ; 1403612 ; 1403621 ; 1403622 REF . PART NO . DESCRIPTION NO . 1 8C28 CASING WRAPPER 2 8A72 ELEMENT SHIELD 3 8B61 COMBUSTION CHAMBER 4 P147001 FLUE TUBE GASKET 5 6B62 INNER CASING 6 P14 - 7001 FLUE TUBE GASKET 7 P147000 AIR PAN GASKET 8 6054 - 1 AIR INLET SHIELD MAX . 9 " THICK WALL 9 9306 VENT CAP 10 6C51 AIR INLET COLLAR ( MAX . 9 " THICK WALL 11 8A85 FLUE EXTENSION ( MAX . 9 " THICK WALL ) 12 BB64 MOUNTING SPACER PLATE 13 P121800 AIR INLET GASKET VENT " A " FLUE EXTENSION - 15 INCH WITH ( 1 ) P147001 GASKET EXTENSION KIT _ AIR INLET COLLAR - 15 INCH WITH ( 1 ) P147000 GASKET 9304 ' A " AIR INLET SHIELD - 15 INCH _ , VENT _ " FLUE EXTENSION - 24 INCH WITH ( 1 ) P147001 GASKET EXTENSION KIT _ tr AIR INLET COLLAR - 24 INCH WITH ( 1 ) P147000 GASKET _ t 9303 _ AIR INLET SHIELD - 24 INCH li _ NOT SHOWN _ NOT AVAILABLE SEPARATELY ( KIT FORM ONLY ) FOR PARTS ILLUSTRATION SEE PAGE 25 USE ONLY MANUFACllJRE'S Au'rI - IORrZED PARTS , NOTE : SCREWS AND BOLTS ARE STANDARD HARDWARE l'ID _ S , AVAIl . ABLE LOCALLY . - - 24 - -
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Williams Direct Vent Gas - Fired Wall Furnace REPLACEMENT PARTS FOR MODELS : 1403611 ; 140361 2 1403621 ; 1403622 FOR PARTS lISTING SEE PAGE 24 . USE ONLY MANUFACTURER'S AUTHORIZED PARTS - - 25 1
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Service Hints If your furnace fails to work right , you may avoid inconvenience and the cost of a service call by checking the following points before you call for service . FOR YOUR SAFETY FOR YOUR SAFETY Do not store or use gasoline If you smell gas : owner's or other flammable vapors and 1 . Open windows . manual liquids inthe vicinity of this or any 2 . Don't touch electrical . other appliance 3 . Extinguish any open flame . 4 . Immediatelycallyourgassupplier . POSSIBLE CAUSE WHAT TO DO SERVICE If your furnace is not heating or not giving enough heat - - Thermostat is not set correctly . Reset thermostat to desired setting . Pilot is out . Check pilot . Relight if necessary follow - MODEL NOS . ing instructions for " Operating Your Furnace " . 1403612 NAT Pilot is on but burner won't come If gas valve is set at other than " On " 1403622 NAT on . furnace will not operate . Shut furnace down and following instructions for " 2203612 NAT relighting in " Operating Your Furnace section . 2203622 NAT Burner is not operating properly . Check flame . If it is yellow , the burner is not getting enough air . Or if flame ise 3003612 NAT blue and noisy and seems to lift off th burner , the burner is getting too " much 3003622 NAT air . See " Checks and Adjustments , page 14 . 1403611 LPG Air flow restricted Check that doors , drapes or furniture 1403621LPG are not blocking louvers . Pilot goes out time after time - - 2203611LPG Furnace flue blocked . Locate vent outlet blockage and clean . Pilot and burner access door not Check the door . See section on 2203621LPG closed properly . " Operating Your Furnace " beginning on page 15 . 3003611LPG If burner is noisy - - Gas input amount is incorrect . Contact Williams Service Department . 3003621LPG Too much primary air . Contact Williams Service Department . If blower does not run - - Fuse is blown . Replace fuse . Blower not connected to electric Connect to electric power . NOTE : CANADIAN MODEL NUMBERS THIRD power . DIGIT FROM LEFT TO BE : 1 FOR BASIC ALTITUDE If blower motor is noisy - - 2 FOR HIGH ALTITUDE Housing rattling . Tighten screws . EXAMPLE : Clean blower wheel . Blower dirty . MODEL 1403612 BECOMES 1413612 Blower wheel bent . Straighten or replace . ( 0 - 2000 FT BASIC ALTITUDE ) OR BECOMES 1423612 ( 2000 - 4000 FT . HIGH ALTITUDE ) See troubleshooting section for more detailed information . How to Order Repair Parts When ordering repair parts , always give the following All parts listed herein may be ordered from your equip - information : ment supplier . 1 . MODELNUMBER The Model Number of your Williams wall furnace will be 2 . MFG . DATECODE found on the rating plate near gas valve , inside control 3 . PART NUMBER 4 . PART DESCRIPTION compartment . WILLIAMS FURNACE COMPANY MANUFACTURED 225 Acacia Street IN THE U . S . A . Established 1916 Colton , CA 92324 USA ( 909 ) 825 - 0993 FAX : ( 909 ) 824 - 8009 © 1997 Printed in U . S . A . The Williams Furnace Company Rev . 5 / 97 P322256
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