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Monterey Installation Instruction Manual

1. 44 47 SERVICE HINTS estie oes ute seo eoo erae eerta casui t Back Cover How To Order Repair Back Cover Quick Reference Here s how to Unpack the Learn how to unpack the new Williams Furnace and verify that all its parts are in working order Stall the TUtiace De UR Mose Recessed Mount Surface Mount Thermostat and Vent Installation is all explained starting on page 9 Operate the Igniting the furnace for the first time Caring for Your PurnaGe science ete Learn how to keep your new Williams Furnace operating safety Rules WARNING Read these rules and the instructions carefully Failure follow these rules and instructions could cause a malfunction of the furnace This could result in death serious bodily injury and or property damage INSTALLATION MUST CONFORM TO LOCAL CODES IN THE ABSENCE OF LOCAL CODES INSTALLATION MUST CONFORM TO THE NATIONAL FUEL GAS CODE ANSI Z223 1 THE APPLIANCE WHEN INSTALLED MUST BE ELECTRICALLY CONNECTED AND GROUNDED IN ACCORDANCE WITH LOCAL CODES OR IN THE ABSENCE OF LOCAL CODES WITH THE CURRENT NATIONAL ELECTRICAL CODE ANSI NFPA NO 70 In Canada 1 Installation must conform to local c
2. Hints and Information Service Hints If your furnace fails to work correctly you may avoid the inconvenience and cost of a service call by checking the troubleshooting section on pages 44 thru 47 before you call for service WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage personal injury or loss ot life DO NOT store or use gasoline or other flammable vapors and liquids in the vicinity or this or any other appliance How to Order Repair Parts When ordering repair parts always give the following Information 1 MODEL NUMBER 2 MFG DATE CODE 3 PART NUMBER 4 PART DESCRIPTION All parts listed herein may be ordered from your equipment supplier The Model Number of your Williams wall furnace will be found on the nameplate near gas valve inside control compartment ZANILLIAMS WHAT TO DO IF YOU SMELL GAS Open all of the windows Do not try to light any appliance Do not touch any electrical switch Do not use any phone or cell phone in your building Extinguish any open flame Immediately call your gas supplier from a neighbor s phone If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier Williams Furnace Company 250 West Laurel Street Colton CA 92324 909 825 0993 FAX 909 824 8009 e WWW Wfc fc com
3. Installing Your Furnace Vent Installation WARNING DANGER OF PROPERY DAMAGE BODILY INJURY OR DEATH FIGURE 18 Wall Thickness Proper vent installation is critical to the safe operation of the furnace Therefore carefully read and follow all the instructions given in this section The following instructions are for either surface or recess mounted wall furnace SURFACE USE ONLY THE VENT ASSEMBLY SUPPLIED MOUNT IMPORTANT All joints in the inlet and vent tubes and all gaskets must be tight Installation in any other manner voids the C S A design certification and will affect the warranty Refer to Page 15 Fig 19 for the name and location of the vent parts DETERMINE PROPER LENGTHS IMPORTANT To prevent harmful flue gases from entering the house make sure NOT to trim air or vent tubes shorter than specified below Air inlet air tube A and vent tube B are supplied in lengths to handle wall thickness up to 8 To find the correct vent and air tube length measure exact distance X between surface on which back of cabinet will rest HELPFUL CUTTING HINT inside of recessed cavity or face of wall when freestanding and the outside wall surface See Page 14 Fig 18 amp Page 15 Fig 19 make a straight cut measure from the end and mark tube in TT Es Rx several places Align a piece of tape with the marks and wrap it Inlet air tube A Add Ze CM TO CUTIES On MANCON aro
4. ZANILLIAMS Own e rs M a U a Save this manual for future reference Forsaire Counterflow Direct Vent Gas Wall Furnaces Model Numbers 4007332 4007732 5507332 6007732 FOR USE WITH NATURAL GAS ONLY Model Numbers 4007331 4007731 5507331 6007731 FOR USE WITH LIQUEFIED PETROLEUM L P GAS ONLY READ THIS OWNER S MANUAL CAREFULLY BEFORE YOU INSTALL YOUR NEW WILLIAMS WALL FURNACE WARNING If the information in these instructions is not followed exactly a fire or explosion 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 Open all windows Do not try to light any appliance Do not touch any electrical switch do not use any phone or cell phone in your building Extinguish any open flame Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e f you cannot reach the gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier yy WARNING Improper installation adjustment alteration D service or maintenance can cause injury or property CERTIFIED damage Refer to this manual For assistance or for additional information consult a qualified installer service agency or
5. petroleum gas depending on the model you have purchased Tools Needed Hand drill or properly grounded electric drill Expansion bit 1 2 to 1 5 8 or 1 2 and 1 1 2 blade bits 1 8 and 3 16 drill bit metal 6 ft folding rule or tape measure Screwdrivers med blade and Phillips Head Pliers wire cutting Hammers 1 8 allen wrench Materials Pipe and fittings to make connections to furnace See page 18 Caulking compound silicone rubber with a temperature rating of 500 F DO NOT use caulking compound advertised as paintable or for bath tub use as most contain fillers and will not withstand high temperatures Pipe Joint Compound resistant to L P Gas Helpful Installation Information The following booklets will help you in making the installation The sealed combustion system draws combustion air directly from outdoors into the combustion chamber and combustion gases are discharged directly to the outdoors through tubes mounted to the rear of the furnace The furnace heat exchanger is built of heavy gauge steel treated for corrosion resistance The fan at the top forces air down along the front back and sides of the heat exchanger where it is discharged into the room The furnace cabinet is also constructed of heavy gauge steel and has a powder coat paint finish The furnace controls are located behind an access door on the lower front of the furnace All models are equipped with American Gas Association liste
6. shows the basic fittings needed Installing Your Furnace The following rules apply 1 Use new properly reamed pipe free from metal chips and debris such as steel or black iron pipe Use fittings approved by local codes 2 Do not thread pipe too far Valve distortion or malfunction may result from excess pipe within control Apply moderate amount of good quality dope to the pipe threads only leaving 2 end threads bare If LP Gas installation use compound resistant to the action of liquefied petroleum gases 3 Use ground joint unions 4 Install a drip leg to trap dirt and moisture before it can enter the gas valve Drip leg must be a minimum of 3 inches long 5 Install a manual shut off valve 6 Provide a 1 8 NPT test gauge connection immediately before the gas supply connection to the furnace GAS CONNECTION If the installation is for L P Gas have L P installer use two stage regulation and make all connections from storage tank to furnace Use two pipe wrenches when making the connection to the valve to prevent turning or damage to the gas valve Connections between the manual shutoff valve and burner control assembly can be made with an A G A C G A design certified flexible connector if allowed by local codes Drip leg and ground joint unions are still required Tighten all joints securely CHECKING THE GAS PIPING Test all piping for leaks When checking gas piping to the furnace with gas pressure less than
7. 1 2 psi shut off the manual gas valve to the furnace If gas piping is to be checked with the pressure at or above 1 2 psi the furnace and manual shut off valve must be Electrical Wiring WARNING Danger of property damage bodily injury or death Turn off electric power at the fuse box or service panel before making any electrical connections Insulate where necessary All line voltage and ground connections must be completed before electrical power is restored All electrical work must conform to your local codes and ordinances or in their absence with National Electrical Code ANSI NFPA 70 If you are not familiar with wiring codes in general have a competent electrician do this job In Canada Follow C22 1 Canadian Electrical Code CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing CAUTION Do not connect 115V service line to the gas control valve or wall thermostat disconnected during testing SEE WARNING Apply soap solution to each joint Bubbles forming indicate a leak Correct even the slightest leak at once FIGURE 26 Gas Pipe Sizes NATURAL GAS PIPE CAPACITY Btu hr INCLUDES FITTINGS PIPE SIZE LENGTH OF PIPE FEET 1 2 INCH 3 4 INCH 1 INCH 20 92 000 190 000 350 000 40 63 000 130 000 245 000 60 50 000 105 000 195 000 0 0 0 L P GAS PIPE CAPACITY Btu h
8. 110066 MC37 11663 M59 11B103 11A103 P296001 P200400 P200200 P62101 7B46 PO24200 Vibration Mounts 4 Req P022800 _ P200600 SwitchBox 11B05 SwithBoxCovr 11068 PeepHoleCovr 12B40 Element Face Gasket P200900 Air Pan Tunnel Gasket P151900 Seal Gasket _ P103100 Vent C 609 11B144 4701 6701 Side Outlet Kit 9491 on 6702 6703 6704 P321020 P321004 Not available separately in kit form only Not Shown For part illustration see page 36 Note Screws and bolts are standard hardware items available locally Replacements Parts REPLACEMENT PARTS LIST FOR MODELS 5507332 6007732 5507331 and 6007731 PART NO FOR MODEL Ref ps Description Number 5507332 6007732 5507331 6007731 Manifold P323654 P323654 P323654 P323654 Manifold Gasket P151700 P151700 P151700 P151700 39 Orifice Fitting Specify Model amp Gas P090541 P090538 P090552 P332621 40 50 mm Burner With pilot bracket P323648 P323648 P323648 P323648 Vave Na P83282000 y Se a _ Vave P3282100 L cWavedspes 0 0 TJ 22 5 TW _ P3220444 ee PietLPG 323419 P323419 5 L EO 1 EO 271100 2710
9. 13 water column 8 Any safety screen guard or parts removed for servicing this appliance must be replaced prior to operating the appliance to avoid property damage bodily injury or death 9 Install the furnace vent directly to the outdoors so that harmful combustible flue gases will not collect inside the building Follow the venting instructions for your type of installation exactly Use only the type and size of vent pipe and fittings specified 10 BE SURE to provide for adequate combustion and ventilation air The flow of this air to the furnace must not be blocked 11 NEVER vent flue gases into another room a fireplace or any space inside a building This could cause property damage bodily injury or death 12 Never test for gas teaks with an open flame Use a soap solution to check all gas connections This will avoid the possibility of fire or explosion 13 ALLOW the furnace to cool before servicing Always shut off electricity and gas to furnace when working on it This will prevent any electrical shocks or burns 14 DUE TO HIGH TEMPERATURES locate the furnace out of traffic and away from furniture and draperies 15 ALERT children and adults to the hazards of high surface temperatures and warn them to keep away to avoid burns or clothing ignition 16 CAREFULLY supervise young children when they are in the same room with the furnace 17 DO NOT place clothing or other flammable material on or near furnac
10. 5 6 and 7 will be right 2 Drill a 4 inch hole through vent hole center to the outside wall to mark vent location Make the required cutout in inside wall Fig 8 4 Using the hole drilled through to the outside wall as the center cut a 91 4 inch diameter hole for the vent It may be better to work from outside especially when breaking through brick stone or tile See Fig 8 5 n new stud wall construction install blocks as shown in Figure 7 and install plaster grounds around inside of wall opening 6 The vertical height of the opening shown is 3 inches greater than height of furnace to allow space for connection of wiring after furnace is installed NOTE Vertical measurements are from finished floor Fig 7 CLOSE OFF STUD SPACE If Required If studs are not on 16 inch centers cut the hole for the furnace next to an existing stud and frame in the other side using a 2 x 4 and spacer blocks as required As shown on Page 9 Fig 9 If the distance from the top of the cutout to the ceiling wall plate is more than 18 inches it is recommended that it be closed off Nail a 2 x 4 long enough to go between the studs at the top of the opening to close off the stud space FIGURE 8 Wall Opening for Recessed Mount ELECTRICAL CONDUIT 9 1 4 DIA HOLE THROUGH EXTERIOR WALL 90 1 80 3 8 2 68 1 2 1 59 2 BLOCKS 1 x3 MODELS 5507332 5507331 6007732 AND 6007731 MODELS 4007332 400
11. P321004 February 2014 48 Manufactured in the U S A Established 1916 ALL RIGHTS RESERVED
12. Williams Na P323210 _ L 3 eve Wiliams LPG je x ____ KNEES EE EE EC gPlo bRO Jj o O P399419 P323419 Themocoupe P25400 X P25400 FlameSensor 271100 X P278100 47 Ignition Control Unt P321900 1 P32190 48 PiezoGasligher X P28550 P285500 49 Ignition Shield 11B139 11B139 Not available separately in kit form only Not Shown For part illustration see page 33 Note Screws and bolts are standard hardware items available locally Heplacements Parts WILLIAMS DIRECT VENT GAS FIRED WALL FURNACE FURNACE ASSEMBLY FOR MODELS 5507332 and 5507331 CABINET and BODY ASSEMBLY 9 FOR PARTS LIST SEE PAGE 39 USE ONLY MANUFACTURER S AUTHORIZED PARTS 36 Replacements Parts WILLIAMS DIRECT VENT GAS FIRED WALL FURNACE FURNACE ASSEMBLY FOR MODELS 6007732 and 6007731 CABINET and BODY ASSEMBLY FOR PARTS LIST SEE PAGE 40 USE ONLY MANUFACTURER S AUTHORIZED PARTS Heplacements Parts WILLIAMS DIRECT VENT GAS FIRED WALL FURNACE CONTROL ASSEMBLY FOR MODELS 5507332 amp 5507331 USE ONLY MANUFACTURER S AUTHORIZED PARTS SEE PAGE 41 FOR PARTS LIST CONTROL ASSEMBLY FOR MODELS 6007732 amp 6007731
13. a 6 Unpack Your FUI NaC Cs MT 6 Installing Your Wall FUtTiaee eee e irent ten eee 7 Locating Wall Furnace and Thermostat 7 8 Recessed Mount Installation 9 10 Surface Mount Installation 11 12 Thermostat Installation eene 13 VEN LVS TATION devi CY DRE ole Done ER dac 14 16 Mounting Your 16 17 Gas Supply 18 19 EISCIICAN Wining P 19 20 PVOCCOUNG uicit oit tuti eco eee acera eet iota eas 21 Operating Your FUMNACE aese e 22 27 How To Care For Your Furnace 28 29 Furnace Technical Information 29 VAI die DIAA E TE o D 30 31 Repair Parts 4007332 4007732 4007331 amp 40077931 32 33 Parts List for 4007332 4007732 4007331 amp 4007731 34 35 Repair Parts 5507332 6007732 5507331 amp 6007731 36 38 Parts List for 5507332 6007732 5507331 amp 6007731 39 41 Installations in the State of Massachusetts 42 aas Conversion E 42 Forsaire Hardwire Accessory 9940 43 TROUBLESHOOTING
14. a jumper wire to terminal GND DO NOT REMOVE EXISTING WIRE Attach the other end of the jumper wire to the metal blade of a small screwdriver Position the end of metal blade approx 1 8 from the HIGH VOLTAGE IGN terminal Reconnect the COM terminal Sparking should occur between the screwdriver blade and the HIGH VOLTAGE terminal If no sparking occurs the ignition control unit must be replaced Check the pilot and electrode assembly for proper electrode gap 3 32 to 1 8 or any possible shorting of electrode to surrounding metal surfaces Make sure the spark igniter and electrode connections to the ignition control unit are tight The ignition control unit and pilot burner must both be chassis ground If there is still no spark the pilot and electrode assembly must be replaced burner won t come EM 3 Pilot gas but no spark B Broken or shorted electrode assembly 46 ____ S Troubleshooting SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION NOTE Wait at least 90 seconds after pilot lights before doing the check out procedures for problem number 4 With the thermostat ON be sure that the pilot and sensor are properly aligned so that the pilot flame impinges the top 5 8 inch of the sensor Be sure that the sensor is pushed all the way into the pilot bracket Adjust the pilot flame with pilot adjustment C Low pilot flame screw if necessary Also check the inlet supply pressure and pilot orifice If the pilot hoo
15. are contacted If the stops prevent the mounting plate from reaching the wall refer back to DETERMINE PROPER LENGTHS Page 14 NOTE The smaller tube in the vent cap must slide over the vent 5 Fasten the vent cap mounting plate to the wall with 4 1 inch wood screws D provided 6 On masonry construction drill into the wall and use plugs or anchors Additional sealant silicone may be required if the mounting surface is uneven Installing Your Furnace FIGURE 20 Furnace Item Top trim cover Lad GE ee im a cad i MOULDING OF TIONAL Mounting Your Furnace To obtain adequate clearance for fastening the furnace or to install gas supply fittings it may be necessary to remove the burner and control assembly as follows CAUTION Be careful not to damage burner pan gasket when removing burner and control assembly 1 Lay the furnace on its back for the following steps Remove burner compartment door by pulling the door top out and up MODELS 4007332 5507332 4007331 5507331 a Remove the screws holding the ignition control unit and the cover to the casing b Remove 3 screws A holding the burner pan to the upper heating element support Page 17 Fig 22 Rotate the burner pan toward the front until the 3 pins B disengage from the upper heating element support c Remove necessary wiring to free the control module from its mounting
16. building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions LIGHTING INSTRUCTIONS 1 STOP Read the safety information above 2 Set the thermostat to lowest setting 3 Turn off all electric power to the appliance 4 Remove control access panel 5 Turn the gas control knob clockwise OFF GAS RESET POSITION INDICATOR BUTTON PILOT ADJUSTMENT SCREW 6 Wait five 5 minutes to clear out any gas then smell for gas including near the floor If you then smell gas stop Follow B In the safety information above If you don t smell gas go to the next step 7 Loosen wing nut and open pilot observation door lf equipped 8 To find the pilot follow the metal tube from the gas control valve The pilot is mounted on the side of the burner TO TURN OFF GAS TO APPLIANCE Set the thermostat to lowest setting If you cannot reach your gas supplier call the fire department C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water NOTE FOR
17. except minimum clearance may be inch when optional 1 way Diffusing Grille Kit 6704 is used FIGURE 12 Plaster Ground Installation SIDE PLASTER GROUND CENTERS EXACTLY 6 FROM BACK OF THE HEATER FIGURE 13 Plaster Ground Installation PLASTER GROUND Installing Your Furnace MOUNTING OPTIONAL SIDE OUTLET GRILLE KIT NO 6701 Refer to Fig 14 1 Before setting furnace into position cut 5 x 7 rectangular opening in furnace outer casing where marked See Page 10 Fig 10 2 Place the outer boot against casing with inner flanges exactly on edges of cut hole mark screw location remove boot and drill 33 holes for the sheet metal screws 3 Remove the knockout plate and knockouts for screws from the inner liner 4 Secure 1 x 1 wood strip not included with this kit to the wall next to the side outlet as a backup for metal filler strips 5 Fasten metal filler strips to the side of the furnace casing with the front surface exactly opposite the front of wood backup strip 6 After the furnace is placed in position place the outer boot through the plaster ground tight against the furnace casing Then mark and cut off the outer end flush with the wall surface 7 Press the inner boot against liner mark and cut it off flush with the wall surface Install the outer boot first then the inner boot fastening through all holes with the screws provided FIGURE 14 Mounting Grille Kit 6701 VENT CAP 7 i METAL
18. motor will be on LOW speed when operating on minimum input capacity and on HIGH speed when operating at maximum input capacity If there is no change in motor speed replace the selector switch Selector switch defective 2 speed Burner comes ON but goes OFF after operating for no apparent reason Vent tube and air inlet Check the vent tube and air inlet tube Follow the installation instructions Be sure tube improperly joints are tight and both tubes are in place Use only the vent tubes furnished Do not installed extend tubes beyond their original length Troubleshooting TROUBLESHOOTING CHART FOR MODELS FOR MODELS 4007332 5507332 4007331 5507331 NOTE Before troubleshooting the intermittent pilot system be sure thermostat is turned to highest setting gas shut off valve and gas valve knob are in the ON position and electric power is turned ON the furnace Follow all steps in sequence A volt ohm meter will be needed to satisfactorily determine if any components are malfunctioning Perform normal system checks of the main power transformer thermostat limit switch and replace faulty components With the power ON turn the thermostat to the lowest setting wait for 10 seconds and return to HIGH setting With the power ON and thermostat set at its highest position 1 No spark no pilot set voltmeter to 24V scale and attach the probes to terminals TR and TH on the gas D Faulty limit switch ignition
19. the gas supplier WARNING This direct vent furnace is approved for aftermarket mobile home installations once the mobile home is sold installed and stationary unless prohibited by local codes Not for mobile home manufacturer factory installation Do not install any of these furnaces natural or L P Gas in trailers or recreational vehicles Williams Furnace Co 250 West Laurel Street Colton California 92324 U S A 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 replaced at the Manufacturer s option FOB to 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 combustion chamber 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 2 Noliability 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 WARRANT
20. under the furnace that is at least the same size as the bottom of the furnace WARNING If vinyl siding is used on exterior wall surface heat from the vent cap could cause distortion discoloration Shield to protect the siding Check with manufacturer for additional options Installing Your Furnace 11 Be sure to provide adequate clearance and service access The front of the furnace must face the open room 12 Choose a location for the thermostat about 5 feet above the floor on an inside wall The thermostat wire supplied with your furnace is 20 feet long which should be enough to run up through the attic of a single story home so the thermostat can be a maximum of 16 feet from the furnace measure in a straight line or about 8 feet from the furnace if the wire is run under the floor Use heavier wire size if more than 20 feet of wire is required The thermostat should be sensing average room temperature Avoid the following HOT SPOTS COLDSPOTS Concealed pipes or ducts Concealed pipes or ducts Fireplaces Stairwells drafts Registers Doors drafts TV sets Unheated rooms on the Radios other side of the wall Lamps DEAD SPOTS Direct sunlight Behind doors Kitchen Corners and alcoves 13 After picking a location that meets the requirements inspect the wall floor and outside areas Make sure there are no pipes wiring or anything else that would interfere with furnace vent or thermostat installation If requir
21. 0 Ignition Control Unit P921900 1 3 P321900 5 1 Piezo Gas Lighter X P28550 P285500 52 ignition Shield 11B139 _ Ignition Control Wires 318036 31B0860 Not available separately in kit form only Not Shown For part illustration see page 37 Note Screws and bolts are standard hardware items available locally 40 Replacements Parts REPLACEMENT PARTS LIST FOR MODELS 6007732 and 6007731 PART NO FOR MODEL Ref em Description Number 6007732 6007731 EE Outer Casing with Air Pan 11C42 1 11C42 1 E EN Air Pan Tunnel Gasket P151900 P151900 Inner Liner 11B120 11B120 EE EE Heating Element 11C66 11C66 p m 7 Peep Hole Cover 12B40 12B40 Bumer Pan Gasket 2 Rea Pa21020 Pazi020 _ 8 GenteFrotPane 11059 11059 9 BottomAirDeflector 11B123 11B128 16 19 Top Front Panel 11B102 11B102 20 Fan Shroud 27 Internal Wires 6007732 6007731 28 Element Tube 11C37 11C37 Vent Cap 11C09 11C09 Flue Extension 118157 11B157 9809 Kit Air Inlet Extension 11B144 11B144 Inner Boot Outer Boot 6701 Side Plaster Ground Outlet Kit e is 36 6702 Side Casing Grille Kit 6702 6702 37 6703 Diffusing Grille Kit Two Way 6703 6703 37A iffusi 6704 Diffusing Grille Kit One Way 6704 6704 4701 Trim Strip Kit 47
22. 01 4701 Not available separately in kit form only Not Shown For part illustration see page 38 Note Screws and bolts are standard hardware items available locally Installations in the State of Massachusetts All installations in the State of Massachusetts must use the following requirements when installing maintaining or operating direct vent propane or natural gas fired space heaters For direct vent appliances mechanical vent heating appliances or domestic hot water equipment where the bottom of the vent terminal and the air intake is installed below four feet above grade the following requirements must be satisfied If there is not one already present on each floor level where there are bedroom s a carbon monoxide detector and alarm shall be placed in the living area outside the bedroom s The carbon monoxide detector shall comply with NFPA 720 2005 Edition 2 Acarbon monoxide detector shall be located in the room that houses the appliance or equipment and shall a Be powered by the same electrical circuit as the appliance or equipment such that only one service switch services both the appliance and the carbon monoxide detector b Have battery back up power c Meet ANSI UL 2034 Standards and comply with NFPA 720 2005 Edition and d Have been approved and listed by a Nationally Recognized Testing Laboratory as recognized under 527 CMR A carbon monoxide detector shall a Be located in the room that hous
23. 2 For models equipped with WILLIAMS gas valve P321704 or P321705 Models are equipped with a two rate control valve The rate knob on the gas valve is marked LO and Turn the rate knob to the LO position and the room thermostat will operate the main burner at about 7096 of maximum capacity Turn the rate knob to the HI position only when a fast heat up is desired during extremely cold weather High operation develops maximum capacity of the furnace A two speed fan is used with Models 6007732 and 6007731 Blower will operate at low speed then shift to high speed as the furnace heats up WARNING Danger of property damage Bodily injury or death If the furnace overheats or fails to shut off turn off the manual gas valve to the furnace before turning off the electric power Operating Your Furnace FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these Instructions exactly B BEFORE LIGHTING smell around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance or strike a match Do not touch any electric switch do not use any phone in your
24. 2 MOTO PROTECTED 2 O GREEN GND um LIMIT SWITCH BROWN WHITE CONTROL MODULE 7164 SPARK GAP SPARK ELECTRODE FLAME SENSOR 1 IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE MUST BE REPLACED IT MUST BE REPLACED WITH TYPE AWM 105 C 18 GA WIRE 4 64 INSULATION OR EQUIVALENT IS THERMALLY OVERLOAD 115V 10 60Hz LESS THAN 3 AMPS 115V 10 60Hz SERVICE CORD SOCKET CONNECTOR 4 FLAME SENSOR MV THERMOSTAT CONNECTION 30 VENT LIMIT SWITCH TO THERMOSTAT LEGEND 2 MODELS 5507332 5507331 FOR 55M Btu hr FAN TYPE VENTED WALL FURNACE WITH INTERMITTENT IGNITION CONTROL SYSTEM SELECTOR FAN SWITCH SWITCH 115V 10 60Hz SERVICE CORD SOCKET CONNECTOR LIMIT SWITCH FLAME 000 2 SENSOR VENT LIMIT SWITCH H C MV PV C GAS VALVE ics CONTROL MODULE NOTES 1 IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE MUST BE REPLACED IT MUST BE REPLACED WITH TYPE AWM 105 C 18 GA WIRE 4 64 INSULATION OR EQUIVALENT FACTORY WIRED LINE VOLTAGE FACOTRY WIRED LOW VOLTAGE 1 4 QUICK CONNECT TERMINAL FOR FACTORY WIRING WIRE CONNECTOR FOR FACTORY WIRING LINE VOLTAGE SCREW TERMINAL LOW VOLTAGE FACTORY WIRED CONNECTION 2 MOTOR IS THERMALLY OVERLOAD PROTECTED 115V 10 60Hz LESS THAN AMPS GREEN GND om SELECTOR FAN SWITCH LIMIT SWITCH 115V 10 60Hz SERVICE CO
25. 7331 4007732 AND 4007731 FIGURE 9 o AT Wr CEILING PLATE 2 x4 BACKING IF MORE THAN 18 BETWEEN TOP OF CUTOUT AND CEILING PLATE 9 1 4 DIA HOLE CUTOUT EXISTING STUD N Close Off Stud Space NEW STUD SPACER BLOCKS AS REQUIRED FLOOR Installing Your Furnace FIGURE 10 Gas amp Electrical Openings VENT amp AIR INLET GAS INLET n INSIDE 2 t lt 1 1 1 2 1 MODELS 5507332 5507331 6007732 AND 6007731 2 MODELS 4007332 4007331 4007732 AND 4007731 La Offset Wall Installation To mount the wall furnace on an offset wall the area behind the furnace must be made flush or flat Use lumber 2 x 4 s 2 x 6 s etc to make the surface flush with other portion of wall 10 GAS AND ELECTRICAL SUPPLY OPENINGS Holes must be drilled for the gas line and electrical supply Holes must be located from each side of furnace as shown in Fig 10 Decide whether the gas line will come through the floor or wall Drill a 11 2 inch hole in wall or floor as needed Gas line can be run at this time or done after furnace is mounted see section GAS SUPPLY AND PIPING on Page 18 The electrical supply opening should be at the lower portion of the furnace to match openings shown in Fig 10 Mark ceiling wall plate and drill holes If not practical to run wiring from the attic drill holes through wall stud and run wires up through adjoining stud space fr
26. ADDITIONAL INFORMATION REFER TO THE INSTALLATION AND OPERATION INSTRUCTION MANUAL SUPPLIED WITH THIS APPLIANCE OR CONTACT THE MANUFACTURER IDENTIFYING THE PRODUCT BY ITS MODEL NUMBER LOCATED ON THE RATING PLATE FOUND NEAR THE GAS VALVE 9 Turn knob on gas control counterclockwise LY to PILOT THERMO COUPLE PILOT BURNER 10 Push in the red reset button all the way and hold in Immediately light the pilot Continue to hold the red reset button in for about 1 minute after the pilot is lit Release button and it will pop back up Pilot should remain lit If it goes out repeat steps 5 through 10 e If button does not pop up when released stop and immediately call your service technician or gas supplier e If the pilot will not stay lit after several tries turn the gas control knob to OFF and call your service technician or gas supplier 11 Close the pilot observation door and tighten wing nut if equipped 12 Turn gas control knob counterclockwise XY to ON The knob can be turned to ON only if red reset button is up 13 Replace the control access panel 14 Turn on all electric power to the appliance 15 Set thermostat to the desired setting Turn off all electric power to the appliance if service is to be performed if applicable Push in the gas control knob slightly and turn it clockwise to OFF Do not Force 1 2 3 Remove the control access panel 4 5 Replace the control access panel IMPORTA
27. AL UPKEEP NEEDED It is recommended that a qualified service technician perform these checks at the beginning of each heating season CLEANING AND OILING Shut off electricity and then remove cabinet door and front panel Clean any lint or dirt from fan blades fan motor and exposed air passages Use a brush Put 5 drops of SAE 20 oil in each of the two cups or oil tubes on the fan motor See Fig 28 below FIGURE 28 Motor Oil Holes OIL TUBES g OR OIL CUPS PILOT BURNER Light the pilot using instructions in OPERATING YOUR FURNACE pages 22 thru 27 depending on your model Leave thermostat at lowest setting 28 The pilot flame should surround the thermocouple tip 5 8 to 1 2 inch Refer to Page 29 Fig 30 If the flame needs adjusting do it as follows ADJUST PILOT BURNER Page 28 Fig 29 amp Page 29 Fig 30 Remove the screw cover over pilot adjusting screw 2 Insert small screwdriver adjust the flame as needed Turn the screw counterclockwise to increase the flame clockwise to decrease 3 Turn the thermostat to its highest setting The main burners should light quickly and smoothly Turn the thermostat to its lowest setting Main burners should go out The pilot should remain lit except for electronic ignition models See Page 22 BURNER FLAME Start the furnace and let it operate about 10 minutes then look at the burner flame Flames should be soft and blue see Fig 29 If flames appear abnorm
28. ERMINAL LOW VOLTAGE FACTORY WIRED CONNECTION NOTES 1 IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE MUST BE REPLACED IT MUST BE REPLACED WITH TYPE AWM 105 C 18 GA WIRE 4 64 INSULATION OR EQUIVALENT 2 MOTOR IS THERMALLY OVERLOAD PROTECTED 115V 10 60Hz LESS THAN 3 AMPS GREEN GND a o GAS VALVE 115V 10 60Hz SERVICE CORD SOCKET CONNECTOR WHITE THERMOSTAT CONNECTION SWITCH BROWN VENT LIMIT SWITCH Heplacements Parts WILLIAMS DIRECT VENT GAS FIRED WALL FURNACE REPAIR PARTS FOR MODELS 4007332 4007331 4007732 and 4007731 CABINET and BODY ASSEMBLY USE ONLY MANUFACTURER S AUTHORIZED PARTS FOR PARTS LIST SEE PAGE 34 32 Heplacements Parts WILLIAMS DIRECT VENT GAS FIRED WALL FURNACE CONTROL ASSEMBLY FOR MODELS 4007332 amp 4007331 USE ONLY MANUFACTURER S AUTHORIZED PARTS SEE PAGE 35 FOR PARTS LIST CONTROL ASSEMBLY FOR MODELS 4007732 amp 4007731 lt USE ONLY MANUFACTURER S AUTHORIZED PARTS E UU d Replacements Parts REPLACEMENT PARTS LIST FOR MODELS 4007332 4007732 4007331 and 4007731 PART NO FOR MODEL Ret Description Number 4007332 4007732 4007331 4007731 E ud c Outer Casing with Air Pan 1142 2 1142 2 1142 2 1142 2 mer Liner m um Fan Stroud 11886 s 1802 HERZ 9 CenterFrontPanel 11665 1106 11062 11062 Internal
29. KIT 6701 FILLER 12 OPTIONAL 2 WAY DIFFUSING GRILLE KIT NO 6703 Refer to Fig 15 CAUTION For use only in conjunction with a front outlet when the furnace is spaced at least 12 inches from an intersecting wall see Page 8 Fig 5 Metal clips on backside of the optional grille snap into the side louvers of the front warm air outlet Adjust clips with pliers if necessary Grille may also be attached with sheet metal screws 1 WAY FRONT DIFFUSING GRILLE KIT NO 6704 Follow instructions for 2 WAY FRONT DIFFUSING GRILLE 6703 ABOVE except furnace clearance to an adjacent wall must be 34 inch minimum CAUTION Use only optional kits available from the manufacturer FIGURE 15 Two Way Diffusing Grille 6703 LOWER DOOR CASING 4 A OPTIONAL TWO WAY DIFFUSING GRILLE 6703 EE EE Installing Your Furnace Thermostat Installation 1 7 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 in doubt use new wire If a new location is chosen or if this is a new installation thermostat cable must first be run to the location selected wiring must agree with local codes and ordinances These instructions cover bringing the wire down from the attic but it can be run from a basement or crawl space using similar methods Before drilling a hole in the wall at selected location drive a small finishing n
30. NT KEEP BURNER AND CONTROL COMPARTMENT CLEAN WARNING DUE TO HIGH SURFACE TEMPERATURES KEEP CHILDREN CLOTHING FURNITURE OR ANY COMBUSTIBLE MATERIAL AWAY FROM THE FURNACE Operating Your Furnace FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these Instructions exactly B BEFORE LIGHTING smell around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance or strike a match Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions LIGHTING INSTRUCTIONS 1 STOP Read the safety information above 2 Set the thermostat to its lowest setting 3 Turn off all electric power to the appliance 4 Remove control access panel 5 From the ON position depress and move selector arm on gas control to the OFF position Do not force GAS CONTROL SELECTOR ARM SHOWN IN OFF POSITION 6 Wait five 5 minutes to clear out any gas then smell for gas including near the floor If you then smell gas stop Follow B In the safety informat
31. Page 29 Fig 30 CHECK THE MANIFOLD GAS PRESSURE A tapped opening is provided in the gas valve to facilitate measuring the manifold gas pressure A U Tube manometer having a scale range from 0 to 12 inches of water should be used for this measurement The manifold pressure must be measured with the burner and pilot operating Any major changes in flow must be made by changing the size of the burner orifice Check with your local gas supplier for proper orifice sizing CHECK THE GAS INPUT NATURAL GAS ONLY WARNING Natural gas heating value Btu per cubic foot can vary significantly Therefore it is the installer s responsibility to see that Btu hr input to the furnace is adjusted properly Failure to do so could cause combustion chamber failure asphyxiation fire or explosion resulting in damage bodily injury or death Refer to the National Fuel Gas Code NFPA 54 to be sure the furnace is burning fuel at the proper rate Under firing could cause inadequate heat excessive condensation or ignition problems Over firing could cause sooting flame impingement or overheating of the heat exchanger Before starting natural gas input check obtain heating value of gas BTU per cubic foot at standard conditions from your local supplier This factor is used in Check the Gas Input section and procedure To measure the input using the gas meter proceed as follows 1 Turn off gas supply to all other appliances except the fur
32. RD SOCKET CONNECTOR SPARK pe ELECTRODE 4 FLAME SENSOR BROWN WHITE CONTROL MODULE 7164 gt SPARK GAP MV M THERMOSTAT CONNECTION VENT LIMIT SWITCH ERU Wiring Diagrams MODELS 4007732 4007731 FOR 40M Btu hr FAN TYPE VENTED WALL FURNACE WITH STANDING PILOT CONTROL SYSTEM FAN SWITCH 115V 10 60Hz SERVICE CORD SOCKET CONNECTOR VENT LIMIT SWITCH THERMOCOUPLE LEGEND gt lt 2 O FACTORY WIRED LINE VOLTAGE FACOTRY WIRED LOW VOLTAGE 1 4 QUICK CONNECT TERMINAL FOR FACTORY WIRING WIRE CONNECTOR FOR FACTORY WIRING LINE VOLTAGE SCREW TERMINAL LOW VOLTAGE FACTORY WIRED CONNECTION NOTES 1 IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE MUST BE REPLACED IT MUST BE REPLACED WITH TYPE AWM 105 C 18 GA WIRE 4 64 INSULATION OR EQUIVALENT 2 MOTOR IS THERMALLY OVERLOAD PROTECTED 115V 10 60Hz LESS THAN 3 AMPS GREEN GND GAS VALVE THERMOSTAT CONNECTION FAN SWITCH VENT LIMIT SWITCH MODELS 6007732 6007731 FOR 60M Btu hr FAN TYPE VENTED WALL FURNACE WITH STANDING PILOT CONTROL SYSTEM SELECTOR FAN SWITCH SWITCH 115V 10 60Hz SERVICE CORD SOCKET CONNECTOR TO THERMOSTAT VENT LIMIT SWITCH THERMOCOUPLE LEGEND 2 O FACTORY WIRED LINE VOLTAGE FACOTRY WIRED LOW VOLTAGE 1 4 QUICK CONNECT TERMINAL FOR FACTORY WIRING WIRE CONNECTOR FOR FACTORY WIRING LINE VOLTAGE SCREW T
33. USE ONLY MANUFACTURER S AUTHORIZED PARTS 38 Replacements Parts REPLACEMENT PARTS LIST FOR MODELS 5507332 and 5507331 Ret PART NO FOR MODEL Description Number 5507332 5507331 pos 11C42 1 11C66 11C37 7B79 11C63 11B86 11B102 11059 11B103 11A103 P296001 P200400 P200200 P62101 7B46 P024200 11C42 1 11C66 11C37 7B79 11C63 11B86 11B102 11059 11B103 11A103 P296001 P200400 P200200 P62101 7B46 P024200 Outer Casing with Air Pan REN Heating Element E 3 Element Tube Inner Liner Deflector Baffle Handle Fan Shroud Top Front Panel Center Front Panel Bottom Front Panel Element Face Cover Limit Switch Selector Switch Fan Switch Motor Motor Support 2 Req Transformer Internal Wires Except Ignition Control Wires Vibration Mounts 4 Req Fan Blade Switch Box Switch Box Cover Peep Hole Cover Element Face Gasket Air Pan Tunnel Gasket Seal Gasket 7A194 7A194 P022800 P200600 11B05 11C68 12B40 P200900 P151900 P103100 P103100 11C09 11C09 Flue Extension 11A217 114217 9802 Kit Air Inlet Extension 11B144 4701 Trim Strip Kit 4701 Inner Boot Outer Boot Plaster Ground 35 6702 Side Casing Grille Kit 6702 36 6703 Diffusing Grille Kit Two Way 6703 6704 Diffusing Grille Kit Two Way 6704 36A Gasket Burner Pan 2 Req P321020 Owner s Manual P321004 P022800 P200600 11B05 11C68 12B40 P200900 P151900 11042 1
34. VER Place the trim cover on top of the furnace See Page 16 Fig 20 Drill through the top casing flange and fasten each side with a sheet metal screw This plate covers the space between the top of the furnace and wall opening after electrical connections are made MOUNT FURNACE THROUGH WALL Mount the furnace through the wall using surface or recessed mounting instructions See Pages 9 thru 12 Refer to Fig 19 for the following steps 1 Check to see that the air tube protrudes through wall 7 8 inch min to 1 inch max for proper seal in vent cap FIGURE 19 Vent Installation TRIM COVER MASTIC MOUNTING PLATE EMBOSSED TOP SCREWS VENT TUBE 1 88 1 2 AIR TUBE 2 59 P INSTRUCTIONS P NOTE NL BACK OF FURNACE amp PLATE OF VENT CAP EQUIPPED WITH t STUD SPACERS TO PREVENT INSTALLATION THRU OPENING OF LESS THAN 9 4 FINISHED FLOOR aia 1 MODELS 5507332 2 MODELS 4007332 6007732 4007732 5507332 4007331 6007731 4007731 2 Check to see that the vent tube protrudes past the air tube 1 8 inch min to 1 4 inch max for proper seal in vent cap 3 Apply a single strip of mastic E provided in the vent cap carton continuously around the outer edge of the vent cap mounting plate 4 Holding the vent cap in an upright position embossed top on the mounting plate towards the top of the furnace push it into place until the stops
35. Wires Except Ignition Control Wires For dan 4007332 amp 4007331 11 152 Hs HAISE LIAISE P103100 27 28 29 Vent Cap 11C09 11C09 11C09 11C09 11A217 11A217 11A217 11A217 Air Inlet Extension 11B144 11B144 11B144 11B144 4701 Trim Strip Kit 4701 4701 4701 4701 Inner Boot 6701 6701 6701 6701 Outer Boot 6701 Side Outlet Kit 33 6702 Side Casing Grille Kit 6 02 6 02 6 02 6 02 34 6703 Diffusing Grille Kit Two Way 6703 6703 6703 6703 6704 6704 6704 6704 Flue Extension SEMEN Plaster Ground 10 Boots 6704 Diffusing Grille Kit Two Way Gasket Burner Pan 2 Req P321020 P321020 P321020 P321020 Owner s Manual P321004 P321004 P321004 P321004 CO CO NO 34A Not available separately in kit form only Not Shown For part illustration see page 32 Note Screws and bolts are standard hardware items available locally 34 Replacements Parts REPLACEMENT PARTS LIST FOR MODELS 4007332 4007732 4007331 and 4007731 Ref PART NO FOR MODEL Description Number 4007332 4007331 Ao Manifold P323653 P323653 P323653 P323653 Manifold Manifold Gasket P151700 P151700 P151700 P151700 Ls omer sentes Orifice Fitting Specify Model amp Gas P090532 P090532 P090548 P090548 Lp SER gew ose omm Williams Na P323209 40 Valve WilamsL PG o O 2322042
36. Y MADE BY THE MANUFACTURER IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE ARE LIMITED TO THE SAME ONE YEAR TERM AS THE EXPRESS WARRANTY UNDER NO CIRCUMSTANCES SHALL THE MANUFACTURER BE LIABLE FOR INCIDENTAL CONSEQUENTIAL SPECIAL OR CONTINGENT DAMAGES OR EXPENSES ARISING DIRECTLY OR INDIRECTLY FROM ANY DEFECT IN THE PRODUCT OR ANY COMPONENT OR FROM THE USE THEREOF 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 limitation on how long 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 or to damage or defects resulting from accident alteration misuses 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 labor to repair the defective unit will be the responsibility of the owner A bill of sale cancelled check payment record or permit should be
37. ail 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 the hole so it can be found in the attic Drill a Y2 inch hole through the ceiling wall plate Probe for obstructions in the partition Then drill a 12 inch hole through wall at the selected location for thermostat From the attic feed the thermostat cable or a stiff wire through wall until even with thermostat location Snag thermostat cable through the hole and pull the cable through the hole in wall so that 6 inches of cable protrudes Route cable to wall furnace MOUNTING THE THERMOSTAT 1 To remove thermostat cover squeeze both sides and lift Carefully remove and discard the packing tab protecting the switch contacts See Fig 17 Connect the thermostat wires to the terminal screws on the thermostat base Make sure the wiring does not interfere with thermostat operation Push any excess wire back through the hole in the wall and plug the hole with insulation to prevent drafts from affecting thermostat operation Being sure to level the thermostat for best appearance fasten the thermostat base to the wall through the mounting holes with the screws provided Replace the thermostat cover FIGURE 16 Route Thermostat Cable it FINISH MAIL TO LOCATE HEADER THERMOSTAT lt CABLE STIFF WIRE TO SNAG CABLE SQUEEZE FIRMLY BOTH SIDES AND LIFT TO REMOVE COVER
38. al contact the gas company or a qualified service technician immediately VENTING SYSTEM Make sure that no parts of the vent air system are blocked rusted or damaged including joint gaskets Clean or replace before using furnace See Page 14 and 15 for proper assembly and resealing of vent air system FIGURE 29 Main Burner Flame Pattern LL TOO MUCH AIR CONES BRIGHT BLUE AND REAL SHARP POINTS SOMETIMES LIFTING FROM PORTS CORRECT IMMER CONES LIGHT BLUE POINTED OUTER MANTLE LIGHT BLUE PROPER FLAME 1 8 to 3 4 INSUFFICIENT AIR LONG OPEN END CONES TELLOW IN COLOR HIGH Caring for Your Furnace How To Care For Your Furnace BURNER CLEANING Check burner If cleaning is required contact a qualified service FIGURE 30 Pilot Flame amp Spark technician to clean and service the burner SPARK GAP WARNING Danger of bodily injury or death Make 3 8 to 1 2 sure electric power and gas supply are off before removing panels or doors SENSOR Disconnect the gas line inside the cabinet Remove three screws from the front of the combustion chamber AUREOS bottom panel and drop the assembly down Clean inside the TYPICAL combustion chamber and the burner with a shop type vacuum zx BLUE CONE cleaner To remove burners remove screw from the end of the burner and slide the burner out of its bracket it may be necessary to slightly spring the bracket 2 BURNER CASTING Inspect the Bu
39. are bag and the other containing the vent cap with inlet and vent tubes 1 Lay the carton horizontally 2 he bottom front panel can be removed by grasping just below the handle and pulling it outward and then upward See Fig 1 3 Place these and other parts as they are removed from furnace where they cannot be lost or damaged before you need them NOTE Check the burner rating plate located in burner compartment to make sure your furnace is equipped to operate on the type of gas available either Natural or L P Gas Do NOT convert the unit from Natural Gas to L P Gas or from L P Gas to Natural 4 Remove all literature and package containing thermostat wire and metal anchors used for free standing installation Check the fan blade to be sure it spins freely 6 Take out the four screws holding fan shroud to the side flanges of cabinet and remove shroud See Figure 1 NOTE The fan blade must be removed in order to remove the cardboard shipping brace located under motor 7 Before removing the fan blade remember its position by examining the blade nut and the amount of shaft visible Scribe or mark the motor shaft in order to reinstall the fan blade to its original place on the shaft 8 Loosen the 1 8 Allen head set screw holding the fan blade to motor shaft and remove the fan Place the fan blade and fan shroud where they will not be damaged 9 Remove the cardboard shipping brace located under the motor
40. be on the least windy side of the dwelling as strong gusts may extinguish the pilot Furnace may be installed flush against a wall or recessed up to 10 maximum Wall thickness from back surface of furnace to outside of wall can be 3 4 minimum to 8 maximum See Page 8 Fig 3 With standard furnace discharge outlet do not install closer than 4 to intersecting wall See Page 8 Fig 4 FIGURE 2 Minimum Clearances 30 MIN BELOW ANY OVERHANG MINIMUM SIDE CLEARANCE 12 MIN ABOVE ANY OBSTRUCTION E 18 MIN FROM ANY WALL OBSTRUCTION OR WINDOW 1 Locate the furnace properly within the space to be heated 2 nstall the furnace in accordance with local codes or ordinances and instructions provided In the absence of local codes or ordinances install the furnace to conform with the current edition of the National Fuel Gas Code NFPA 54 ANSI Z223 1 Canadian Installation Code CAN CGA B149 3 Maintain minimum clearance Floor O inches or ceiling 4 inches side wall 4 inches For exception to minimum side wall clearance as shown on Page 8 Figs 4 5 6 amp 7 4 Provide for adequate combustion air around vent cap on outside see Fig 2 and adequate air circulation around cabinet inside the open room Studs must be spaced on 16 inch centers or stud space will have to be framed in See Page 9 and 10 Recessed Mounting 2 The top of the furnace must be at least 4 inches from the ceiling 3 Ch
41. be turned on again 14 If the appliance will not operate follow the instructions To Turn Off Gas To Appliance and call your service technician or gas supplier Turn off all electric power to the appliance if service is to be performed From the ON position depress and move the selector arm on gas control to the OFF position Do not force the selector arm IMPORTANT KEEP BURNER AND CONTROL COMPARTMENT CLEAN WARNING DUE TO HIGH SURFACE TEMPERATURES KEEP CHILDREN CLOTHING FURNITURE OR ANY COMBUSTIBLE MATERIAL AWAY FROM THE FURNACE Caring for Your Furnace How To Care For Your Furnace WARNING Danger of bodily injury or death Turn off electric power supply at the disconnect switch fuse box or service panel before removing any doors or access or service panels from the unit CABINET FINISH Clean the cabinet with damp rag Never use abrasive cleaners Cabinets are finished in a heat resistant powder coat finish DO NOT refinish with wall paint COMBUSTION AND VENTILATION AIR The combustion and ventilation air supply must not be blocked Do not put anything in or on the furnace cabinet For better circulation and more effective heating do not place obstructive furniture closer than four feet to the front of the cabinet or two feet to either side of the cabinet FURNACE AREA Keep the area near the furnace clear and free from combustible materials gasoline and other flammable liquids and vapors ANNU
42. cian Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water NOTE FOR ADDITIONAL INFORMATION REFER TO THE INSTALLATION AND OPERATION INSTRUCTION MANUAL SUPPLIED WITH THIS APPLIANCE OR CONTACT THE MANUFACTURER IDENTIFYING THE PRODUCT BY ITS MODEL NUMBER LOCATED ON THE RATING PLATE FOUND NEAR THE GAS VALVE 7 Wait five 5 minutes to clear out any gas then smell for gas including near the floor If you smell gas stop Follow B In the safety information above If you don t smell gas go to the next step 8 Move the selector arm to the ON position 9 Replace the control access panel 10 Turn on all electric power to the appliance 11 Turn the thermostat to the ON HEAT position Set the thermostat higher than room temperature The pilot will automatically light and main burner s will light in approximately 45 seconds NOTE On initial start up or after prolonged shut down several ignition cycles may be required to purge gas lines To accomplish the recycle repeat steps 6 through 11 until the pilot is established 12 Set thermostat to the desired setting 13 After the room thermostat turns the system off a delay of approximately one minute is required before the system can
43. clockwise 4 N to ON 9 Replace the control access panel 10 Turn on all electric power to the appliance 11 Turn the thermostat to the ON HEAT position Set the thermostat higher than room temperature The pilot will automatically light and the main burner s will light in approximately 45 seconds NOTE On initial start up or after prolonged shut down several ignition cycles may be required to purge the gas lines To accomplish the recycle repeat steps 6 through 11 until the pilot is established 12 Set the thermostat to the desired setting 13 After the room thermostat turns the system off a delay of approximately one minute is required before the system can be turned on again 14 If the appliance will not operate follow the instructions To Turn Off Gas To Appliance and call your service technician or gas supplier Turn off all electric power to the appliance if service is to be performed Push in the gas control knob slightly and turn it clockwise to OFF Do not force the gas control knob IMPORTANT KEEP BURNER AND CONTROL COMPARTMENT CLEAN WARNING DUE TO HIGH SURFACE TEMPERATURES KEEP CHILDREN CLOTHING FURNITURE OR ANY COMBUSTIBLE MATERIAL AWAY FROM THE FURNACE 26 Operating Your Furnace FOR YOUR SAFETY READ BEFORE LIGHTING 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 applia
44. control unit If you read 24V and there still is no spark or pilot gas the ignition control unit is E Faulty ignition control defective and must be replaced F Faulty wiring Test wiring Repair or replace C Manual valves in OFF cock on the gas control are in the full ON position 2 Spark but no pilot No pilot gas could be caused by plugged pilot tubing Also check the pilot as i g D Faulty pilot valve adjustment at the gas control valve B No gas supplied to pilot T valve Check for availability of gas at gas control valve Make sure the manual valve gas F Restricted pilot line or With power ON turn the thermostat to the lowest setting wait for 10 seconds and then return it to the high setting With power ON and thermostat set at its highest position set voltmeter to 24V scale and attach probes to terminals TR and TH on the ignition control unit If you read 24V and there is still no spark or pilot gas the ignition control is defective and must be replaced With thermostat turned to its highest setting set test meter to 24V scale Touch probes to C and P terminals on the Gas Control Valve If you do not get a 24V reading check wiring If wiring tests okay check the ignition control unit A Faulty ignition control Remove wire at COM terminal at the ignition control unit being careful not to touch any metal parts disconnect the electrode wire at the ignition control unit Connect one end of
45. d control assembly were removed replace them by reversing steps 1a through 1d IMPORTANT When replacing the burner and control assembly be sure that pins B all enter the slots in the upper heating element support To prevent damage to wiring be careful not to pinch them between furnace components and route them away from the burner pan surface Installing Your Furnace FASTEN FURNACE TOP SURFACE MOUNTING Fasten the furnace top to wall using two 2 metal anchors packed in plastic bag with thermostat by placing them over the back flange of the furnace top and screwing them to the wall Refer to Fig 21 FIGURE 22 Burner Pan FIGURE 21 Furnace Mounting FURNACE MOUNTING RECESSED MOUNT METAL ANCHORS TOP FASTENING SURFACE MOUNT TOP FASTENING NOTE INTERNAL COMPONENTS AND BLUE ESTENSION NOT SHOWN FOR CLARITY RECESSED MOUNT BOTTOM FASTENING IF CONCRETE FLOOR SURFACE MOUNT BOTTOM FASTENING IF CONCRETE FLOOR BOTTOM FASTENING WOOD FLOOR NOTE DO NOT USE BOTTOM DOOR HOLES FOR MOUNTING FASTEN FURNACE TOP RECESSED MOUNTING Fasten the furnace top by drilling two 2 holes through the side WILLIAMS IGNITION CONTROL flanges of the furnace top and securing it with two 2 screws or PART NUMBER P321900 nails into the wall studs Refer to Fig 21 CAUTION Be careful not to damage furnace components or wiring when drilling holes Installing Your Furnace Gas Supply and Piping The gas control val
46. d gas valves and pilots Models 4007332 4007331 5507332 and 5507331 are equipped with an electronic ignition automatic pilot relight system Stud locator or small finishing nails Tin snips 8 and 12 adjustable wrenches Keyhole or sabre saw Hack saw 2 10 or 12 pipe wrenches Gloves and safety glasses Electrical wiring supplied as needed see page 19 Minimum wire size is 14 gauge copper 3 4 Quarter Round or other wood trim molding approx 16 long or Trim Strip Kit 4701 2 x 4 x length as required Spacer Block See Page 9 1 x 1 wood strips if Optional Side Outlet Grille Kit 6701 is used ANSI NFPA 70 1990 or current edition National Electrical Code In Canada CSA C22 1 Canadian Electrical Code American National Standard NFPASA ANSI Z223 1 1988 or current edition National Fuel Gas Code Obtained from American National Standards Institute Inc 1430 Broadway New York N Y 10018 In Canada CAN CGA B149 Introduction Optional Accessories SIDE OUTLET GRILLE KIT 6701 Let s you route some heated air into a second room Mounts on the side wall of second room and must be within 10 inches of wall furnace See pages 7 and 10 DIFFUSER GRILLE KITS 6703 amp 6704 Let s you route some heated air in a two way direction Kit 6704 for one way direction SIDE GRILLE KIT 6702 Unpack Your Furnace The furnace is shipped in two cartons one containing the furnace installation instruction booklet and hardw
47. d or sensor is bent the defective unit should be replaced If the main burner still won t come ON make sure the main burner orifices are clear If orifices are clear set voltmeter to 24V scale and touch probes to the terminals of the main gas operator on the gas valve Touch probes to terminal M C on Gas Valve If you read 24V and the burner won t turn ON replace entire gas valve When the main burner comes ON ensure that the pilot flame is strong the sensor is properly aligned and the pilot flame impinges the top 5 8 inch of the sensor See procedures for checking proper pilot flame and alignment in problem 4c Check the D Improper alignment pilot and electrode assembly for proper electrode gap 3 32 to 1 8 or any possible sensor in pilot flame shorting of electrode to surrounding metal surfaces Make sure the spark igniter and electrode connections to the ignition control are tight The ignition control unit and pilot burner must both be chassis ground If there is still no spark the pilot and electrode assembly must be replaced BE SURE POWER IS OFF BEFORE PERFORMING THIS TEST Set test meter to the ohm scale or use continuity checker Touch one end of the probe to tip of flame sensor the other to the SENSE terminal on the ignition control unit The Ohmmeter should read O continuity should be evident If you don t obtain a reading remove E Faulty flame sensor wiring from the sensor and test both individually I
48. defective transformer NOTE Before replacing the transformer or limit switch check wiring for loose connections or broken wires and repair as needed If voltage is present at transformer proceed to Step D 2 Main burner will not come ON pilot burning and thermostat set for heat With thermostat set for heat contacts closed check for voltage at the terminals on gas valve If no voltage is present replace defective thermostat D Wall thermostat NOTE Before replacing thermostat be sure to check the wiring from the furnace to defective thermostat for loose connections or broken wires and replace as needed If voltage is present at the terminals on gas valve and still no gas flow to main burners proceed to Step E T Clean or replace the orifice if okay and still no gas flow to main burners proceed to E Burner orifice plugged Step F Gas valve defective Replace defective gas valve Turn OFF electric power to the furnace Remove the top front panel fan shroud and blower wheel Refer to Wiring Diagram and check all wiring inside the junction box Remove center front panel and check all wiring inside switch box containing fan limit and selector switches Correct if necessary If correct proceed to Step B NOTE Selector switch used only on Models 5507331 5507332 6007731 amp 6007732 A Defective wiring If the burner goes OFF in less than five minutes from room temperature start check the li
49. e 18 INSTALLATION and REPAIR must be done by a qualified service person The appliance should be inspected before use and at least annually by a professional 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 passages be kept clean 19 BEFORE INSTALLING To avoid electrical shock tum off electrical circuits that pass through the wall where you are going to install the furnace 20 BE AWARE of good safety practices by wearing personal protective equipment such as gloves and safety glasses to avoid being injured by sharp metal edges in or around the furnace and while cutting or driling holes in wood and or sheet metal 21 CAUTION Label all wires prior to disconnection when servicing controls WARNING Do not use this furnace if any part has been under water Immediately call a certified service technician to inspect the furnace and to replace any part of the control system and any gas control which has been under water WARNING Do not install any of these furnaces Natural or L P Gas in mobile homes trucks or recreational vehicles Introduction A Word from the Manufacturer Dear Customer To set up our furnace assembly procedures several hundred quality assurance safety audit and design performance tests have been conducted according to the standards provided by the America
50. e liquids or vapors near the furnace WARNING Danger of bodily injury or death Do not operate the furnace with a broken or missing pilot observation door A two speed fan is used with models 5507331 and 5507332 Blower will first operate at low speed then shift to high speed as the furnace heats up WARNING Danger of property damage bodily injury or death If the furnace overheats or fails to shut off turn off the manual gas valve to the furnace before turning off electric power Operating Your Furnace FOR YOUR SAFETY READ BEFORE LIGHTING 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 is equipped with an ignition device which automatically lights the pilot Do not try to light the pilot by hand B BEFORE LIGHTING smell around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance or strike a match Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions LIGHTING INSTRUCTIONS STOP Read the safety information above Set the thermostat to its lowest setting Turn off all electric power to the appliance This appliance is eq
51. eck the clearances needed from the furnace and vent Page 7 Fig 2 and Page 8 Fig 4 You must place the furnace where you will have no less than the clearances shown See Page 8 Fig 5 6 amp 7 4 When using optional kits 6703 or 6704 maintain the clearances as shown on Page 8 Fig 5 6 amp 7 5 When using optional kit 6701 maintain clearance as shown on Page 8 Fig 4 Use only optional outlet and grille kits available from manufacturer 6 The outside vent cap must be at least 18 inches away from any window or other building opening Fig 2 7 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 18 inches above ground level or shrubs are as shown in Fig 2 Make sure shrubs are kept trimmed It must also be at least 30 inches from any overhang 8 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 9 Be sure that gas piping and electrical wiring can be brought to the furnace See sections on gas piping and electrical wiring for your type of furnace mounting 10 The bottom of the furnace must rest directly on a wood or concrete floor If the floor is other than wood or concrete such as carpet or sheet vinyl flooring there must be a piece of wood or sheet metal
52. ed move them or pick a new location FIGURE 3 Recessed Installation Clearance 10 MAX RECESS RECESSED INSTALLATION CLEARANCE NOTE A portion of the furnace that is recessed into a wall up to 10 maximum recess may have 0 zero inch clearance to combustibles See Fig 3 All other clearances for the unrecessed portion must be observed FIGURE 4 OPTIONAL OPTIONAL OUTLET 6702 6701 FIGURE 5 12 MIN WHEN OPTIONAL 6703 TWO WAY FRONT DISSUSING GRILLE IS USED FIGURE 6 OPTIONAL OPTIONAL OUTLET OUTLET 6702 6702 FIGURE 7 OPTIONAL ONE WAY REAR GRILLE GRILLE KIT 6704 Installing Your Furnace Recessed Mount Installation FIND THE STUDS Use a stud locator 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 Inside edge of the other stud should be about 14 7 inches from the one found Drive finishing nail on inside edge of this stud NOTE If studs are not on 16 inch centers see section Close off Stud Space below CUT WALL OPENING 1 Lay out the required opening to be cut in inside wall Fig 8 Mark center of the vent hole on wall Using a window door or wall corner for reference measure to find where vent will be on outside wall Check to be sure clearances Page 7 Fig 2 and Page 8 Fig 4
53. er to page 25 26 amp 27 These furnaces are equipped with a manually operated Piezo spark igniter device to ignite the pilot gas Follow the steps under Lighting Instructions see Page 23 or Page 24 and use the manual spark igniter to light the pilot in Step 10 Press spark igniter button vigorously and repeatedly On new installations the gas lines will be filled with air and it may take several minutes to establish the pilot flame Keep all access doors and panels in place except for inspection and maintenance WARNING The surface of the furnace is hot during operation Keep children clothing furniture and flammable material away from it Do not store or use gasoline or other flammable liquids or vapors near the furnace SAFETY CONTROLS These furnace are protected against unsafe operation by four automatic safety controls 1 A safety pilot acts to shut OFF the gas valve in case of pilot failure 2 A redundant gas valve 3 A limit switch shuts down the main burner to prevent overheating the furnace cabinet this limit switch wilt reset when furnace cools and 4 A thermal overload protects the motor against burnout caused by current surges or if anything should block the flow of air through the furnace This switch will reset itself when the motor cools down and it cannot be adjusted WARNING Danger of bodily injury or death Do not operate the furnace with a broken or missing pilot observation door 2
54. es the appliance or equipment b Be either hard wired or battery powered or both and c Shall comply with NFPA 720 2005 Edition A product approved vent terminal must be used and if applicable a product approved air intake must be used Installation shall be in strict compliance with the manufacturer s instructions A copy of the installation instructions shall remain with the appliance or equipment at the completion of the installation A metal or plastic identification plate shall be mounted at the exterior of the building four feet directly above the location of vent terminal The plate shall be of sufficient size to be easily read from a distance of eight feet away and read Gas Vent Directly Below Gas Conversion Kits 42 Gas Conversion Kits Gas Conversion kits Model Description Forsaire Hardwire Accessory 9940 Installation Instructions This Kit is for use with Models 3508331 3508332 3508731 3508 32 4007331 4007332 4007731 4007732 9008731 5008732 5507331 550 332 5508331 5508332 6008531 6008532 6007731 6007732 6508731 6508732 SUMMARY This accessory converts Williams Forsaire Counterflow furnaces using the electric service cord provided to a hardwired permanent electrical connection If this furnace is equipped or has been previously installed and operated using the service power cord disconnect the cord at the receptacle connector located at the base of the
55. f continuity is not evident replace the wiring and or sensor There should be NO continuity between sensor and GND terminal on the ignition control unit Test wiring and sensor individually determine which is shorted on ground Replace or repair Turn ON power B Improper alignment of When main burner comes ON ensure that the pilot flame is strong sensor is properly aligned and pilot flame impinges the top 5 8 inch of the sensor See procedures for checking for the proper pilot flame and alignment in problem 4d If the pilot flame is Pilot flame being drawn drawn away from the sensor when the main burner comes ON the cause could be away from sensor that the manual valve is not in the full ON position NOTE Low inlet gas pressure to the gas control valve can be caused by several problems and is not within the scope of the procedures outlined in this service guide Consult your local utility or gas supplier 6 Main burner shuts down before thermostat is satisfied See 6c Check the setting of the heat anticipator in the wall thermostat Set it to the setting specified on the gas control valve Improper heat anticipator setting The system may be cycling on a faulty limit switch Using a test meter set to the 110 volt scale check for a voltage reading across the limit switch when the main burner shuts OFF If you get a 24 volt or 110 volt reading on shutdown replace defective limit switch Faulty limit switch
56. furnace and remove the cord completely from the furnace Following the wiring diagram below make all the necessary wiring connections from an outside electrical source All electrical work must conform to your local codes and ordinances or in their absence with National Electrical Code ANSI NFPA 70 or in Canada Canadian Electrical Code C22 1 If you are not familiar with wiring codes in general have a competent electrician do this job Be sure this accessory is of the type and design required for use with your furnace The 40077 model series with a single speed motor is shown in the wiring diagram below The required field wiring connections are applicable to all models listed above For internal wiring connections to your model refer to the wiring diagram attached to the furnace RED FIFE DISCONNECT WIRE CONNECTIONS dur LINE SHOWN DASHED GREEN GND BLACK INSERT JUMPER INTO SERVICE CORD SOCKET CONNECTOR GAS VALVE THERMOCOUPLE THERMOSTAT CONNECTION Nus 10 60Hz SERVICE CORD SOCKET CONNECTOR Troubleshooting TROUBLESHOOTING CHART FOR Models FOR MODELS 4007732 6007732 4007731 6007731 Also applicable to Models equipped with an electric intermittent pilot system Continued on next page SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION Check pilot flame it must impinge on the thermocouple The pilot flame may be low A Thermoc
57. her models refer to page 22 23 amp 24 THE FURNACE WORKS LIKE THIS 1 The thermostat turns on the control module 2 Automatic relight system in the module opens the gas valve and electronically ignites the pilot After the pilot flame has been established and proven by the control module the main gas valve circuit opens and the pilot lights the main burners 3 Heat builds up in the furnace and starts the fan The heated air comes out the front bottom louvered panel at floor level 4 When the thermostat setting is reached it shuts off the main burner 5 The fan runs until the heat is removed from the furnace then it turns off IMPORTANT KEEP BURNER AND CONTROL COMPARTMENT CLEAN SAFETY LIMIT CONTROL These furnaces are protected against unsafe operation by three automatic safety controls 1 The electronic ignition system 2 A limit switch shuts down the main burner to prevent overheating of the furnace cabinet This limit switch will reset when furnace cools 3 A thermal overload switch protects the motor against burnout caused by current surges or if anything should block the flow of air through the furnace The switch will turn the main burner off When motor cools down this switch will reset itself This switch cannot be adjusted WARNING The surface of the furnace is hot during operation Keep children clothing furniture and flammable material away from it Do not store or use gasoline or other flammabl
58. ion above If you don t smell gas go to the next step 7 Loosen wing nut and open pilot observation door lf equipped TO TURN OFF GAS TO APPLIANCE Set the thermostat to the lowest setting If you cannot reach your gas supplier call the fire department C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water NOTE FOR ADDITIONAL INFORMATION REFER TO THE INSTALLATION AND OPERATION INSTRUCTION MANUAL SUPPLIED WITH THIS APPLIANCE OR CONTACT THE MANUFACTURER IDENTIFYING THE PRODUCT BY ITS MODEL NUMBER LOCATED ON THE RATING PLATE FOUND NEAR THE GAS VALVE 8 To find the pilot follow the metal tube from the gas control valve The pilot is mounted on the side of the burner 9 Hold lighted match at the pilot burner THERMO COUPLE PILOT BURNER 10 Move selector arm to the SET position and light the pilot Hold in SET position for 1 2 minute after pilot is lit NOTE Sufficient time must be allowed for pilot flame to heat thermocouple and hold safety magnet in locked up position Also time must be al
59. 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 250 West Laurel Street Colton 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 Record Model No Serial No Original Purchaser Address City and State Zip Dealer Address City and State Zip Installation Date Name Signature Dealer or authorized representative who certifies that this appliance is installed in accordance with Manufacturer s instructions and local codes Contents Your Williams Warranty cessere E E i 2 Installation TRECONG 2 Table of Contents Sale 4 tei E 5 6 a 5 Basic LOOls Needed ciu teo 5 Basic Materials Needed 5 Optional ACCOSSOLBS
60. location Mark or tag each wire removed for its exact reconnection Page 17 Fig 23 d Remove the burner and control assembly from furnace MODELS 4007732 6007732 4007731 6007731 a Remove the manual spark igniter and bracket by removing the 2 screws and disconnecting the wire at the back of the igniter b Disconnect the two 2 slip on connectors 24 volt wires from the gas valve 16 c Remove the 3 screws A holding burner pan to the upper heating element support Page 17 Fig 22 Rotate the burner toward the front until the 3 pins B disengage from the upper heating element support slots d Remove the burner and control assembly from furnace NOTE Attach vent tubes BEFORE mounting the furnace See Pages 14 amp 15 2 f furnace is recessed in the wall clear the recess of all debris 3 Be sure the gas is shut off at the meter 4 Before placing the furnace in position remove the gas piping stub if necessary to locate the furnace 5 After installing the vent tubes carefully move the furnace into position being sure not to bend the vent tubes FASTEN FURNACE BOTTOM SURFACE AND RECESSED MOUNT NOTE Fasteners are not furnished because of different requirements of various types of wall construction Fasten the furnace to the floor through the holes provided in the furnace bottom If you have concrete flooring use an alternate fastening method See Page 17 Fig 21 If the burner an
61. lowed for air to be purged from gas lines during first starting operation 11 Release the selector arm and if the pilot remains lit move the selector arm to the ON position e If the pilot will not stay lit after several tries move the selector arm to the OFF and call your service technician or gas supplier 12 Close the pilot observation door and tighten wing nut if equipped 13 Replace the control access panel 14 Turn on all electric power to the appliance 15 Set thermostat to the desired setting Turn off all electric power to the appliance if service is to be performed From the ON position depress and move selector arm on gas control to the OFF position Do not force the control selector arm 1 2 3 Remove the control access panel 4 5 Replace the control access panel IMPORTANT KEEP BURNER AND CONTROL COMPARTMENT CLEAN 24 Operating Your Furnace WARNING DUE TO HIGH SURFACE TEMPERATURES KEEP CLOTHING CHILDREN FURNITURE OR ANY COMBUSTIBLE MATERIAL AWAY FROM THE FURNACE ELECTRONIC IGNITION MODELS 4007332 5507332 4007331 5507331 NOTE For models equipped with WILLIAMS gas valve P322043 or P322044 refer to this page and Page 26 for SAFETY amp LIGHTING INSTRUCTION and TURN GAS OFF TO APPLIANCE For models equipped with WILLIAMS gas valve P321897 or P321898 refer to this page and page 27 for SAFETY amp LIGHTING INSTRUCTION and TURN GAS OFF TO APPLIANCE All ot
62. mit control switch If detective replace NOTE Blower should turn ON within three minutes after burner is ON from a room temperature start If not proceed to Step C 3 Burner comes ON B Defective limit switch but goes OFF before blower turns ON Jumper across the fan switch turn electric power ON the motor should rotate If a 2 speed motor is used jumper from brown terminal on the fan switch to 2 red terminal on the selector switch motor should rotate on LOW speed Jumper from same brown terminal on the fan switch to 3 black terminal on the selector switch motor should rotate on HIGH speed Replace motor if defective D Defective motor 1 Jumper across the fan switch turn electric power ON motor should rotate Replace speed motor if detective E Detective fan switch If after checking the above possibilities problem still exists replace the fan switch C Defective motor 2 speed 44 Troubleshooting 4 Burner comes ON blower comes ON but cycles ON A Furnace not operating at Check for low gas pressure at gas valve should be 4 W C for Natural Gas 11 W C and OFF while full rate for L P Gas Check burner orifice burner remains ON A Furnace operating over Check for high gas pressure at the gas valve correct if necessary See correct Burner comes ON rate pressure above blower comes ON but burner cycles B Line voltage too low Check line vol
63. mounting brackets 10 Properly dispose of shipping materials Lets you route some heated air to side of furnace in the same room See pages 7 and 10 TRIM STRIP KIT 4701 Provides a finished edge at sides of wall furnace Neutral beige enamel painted steel Note Kits are identified on the carton by manufacturing number 6701 6702 6703 and 6704 are also listed on the furnace rating plate FIGURE 1 TOP FRONT iE THUMB i S SCREWS s 02 0 33 33 EE m BOTTOM FRONT PANEL Installing Your Furnace The following steps are needed for proper installation and safe operation of your furnace If you have any doubts as to any requirements always consult your local Heating or Plumbing Inspector Building Department or Gas Utility Company regarding regulations codes or ordinances which apply to the installation of a vented wall furnace Obtain professional help where needed The CHECK AND ADJUSTMENTS on page 21 are vital to the proper and safe operation of the furnace Be sure they are done IMPORTANT For satisfactory and trouble free operation be sure to Locating Wall Furnace amp Thermostat Consider the following points before attempting to install the furnace 1 This is a direct vent wall furnace It must be installed on an OUTSIDE WALL for proper venting of flue gases Fig 2 a Wall furnace can be surface mounted on an outside wall Surface Mount b Ideally the wall should
64. n National Standards Institute the Department of Energy and our certification agency CSA Canadian Standards Association This was done to assure you of receiving the best value and most reliable appliance of its type available today We are confident that your Williams furnace can provide you years of low cost efficient heating comfort Thank you for purchasing a Williams furnace Sincerely Employees of Williams Furnace Company 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 in found within this instruction manual Basic Description The direct vent wall furnace is shipped ready to install against an exterior wall not exceeding 9 in thickness Furnace may also be recessed up to 10 in a wall with studs spaced 16 center to center Always consult your local heating or plumbing inspector building department or gas utility company regarding regulations codes or ordinances which apply to the installation of a direct vent furnace Air is drawn in at the top by the fan and discharged through a grille near the floor A two speed fan is used with models 5507332 6007732 5507331 and 6007731 A single speed fan is used on all other models The furnace contains a multi slot burner two on models 5507332 6007732 5507331 and 6007731 and burns either natural or L P G liquefied
65. nace 2 With the furnace operating time the smallest dial on the meter for one complete revolution If this is a 2 cubic foot dial divide the seconds by 2 If it is a 1 cubic foot dial use the time in seconds as is This gives the seconds per cubic foot of gas being delivered to the furnace 3 Assuming natural gas with a heating value of 1 000 Btu per cubic foot and 34 seconds per cubic foot used as determined by step 2 then Seconds per hour 3 600 Input 1 000 x 3 600 34 106 000 Btu hr This measured input must not be greater than the input indicated on the nameplate of the furnace 4 Relight all other appliances turned off in Step 1 above Be sure all pilots are operating FIGURE 27 Thermostat ZILLIAMS INDICATOR SETTING WARNING Danger of bodily injury or death Liquefied petroleum L P Gas is heavier than air and it will settle in any low area including open depressions and it will remain there unless the area is ventilated Operating Your Furnace Operating Your Furnace STANDING PILOT MODELS 4007732 6007732 4007731 6007731 NOTE For models equipped with WILLIAMS gas valve P322041 or P322042 refer to this page and Page 23 for SAFETY amp LIGHTING INSTRUCTION and TURN GAS OFF TO APPLIANCE For models equipped with WILLIAMS gas valve P321704 or P321705 refer to this page and Page 24 for SAFETY amp LIGHTING INSTRUCTIONS and TURN GAS OFF TO APPLIANCE All other models ref
66. nce is equipped with an ignition device which automatically lights the pilot Do not try to light the pilot by hand B BEFORE LIGHTING smell around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance or strike a match Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions LIGHTING INSTRUCTIONS STOP Read the safety information above Set the thermostat to lowest its setting Turn off all electric power to the appliance This appliance is equipped with an ignition device which automatically lights the pilot Do not try to light the pilot by hand Remove the control access panel 6 From the ON position depress and move the selector arm on gas control to the OFF position Do not force GAS CONTROL SELECTOR ARM SHOWN IN OFF POSITION p DW ls en TO TURN OFF GAS TO APPLIANCE Set the thermostat to its lowest setting Remove the control access panel Replace the control access panel If you cannot reach your gas supplier call the fire department C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service techni
67. nch hole as the center cut a matching hole in outside wall It may be better to work from the outside especially when breaking through brick stone or tile GAS AND ELECTRICAL SUPPLY OPENINGS Holes must be drilled for the gas line and electrical supply Holes must be located from each side of furnace as shown on Page 10 Fig 10 Drill a 1 7 inch hole in floor or wall for gas line Gas line can be run at this time or done after furnace is mounted see section Gas Supply and Piping Page 18 Mark ceiling or wall to match wall furnace openings and drill a 1 inch hole for the power supply and a 12 inch hole for the thermostat cable Run the electrical supply and ground wires to the opening Leave enough length to connect in the junction box after the furnace is installed See section Electrical Wiring Page 19 FIGURE 11 Wall Opening Surface Mount OF 9 1 4 DIA HOLE oie amp FURNACE 59 2 FINISHED FLOOR 1 MODELS 5507332 5507331 6007732 AND 6007731 2 MODELS 4007332 4007331 4007732 AND 4007731 ROUGH IN OPTIONAL SIDE OUTLET NO 6701 Install plaster ground as shown in Figs 12 amp 13 Flanges of plaster ground extend the thickness of normal plaster If dry wall or other thin material flanges must be trimmed off flush with wall surface Follow measurements given carefully and note that when a side outlet is used the furnace casing must be exactly 4 inches from surface of adjacent wall
68. nches 245mm This could cause damage to the electrical cord resulting in electrical shock hazard and or fire A branch circuit including this furnace must not exceed 15 Amperes Run a separate 115V 60Hz 15 Ampere circuit from a separate circuit breaker or fuse in your service panel 20 WALL THERMOSTAT WIRING Run thermostat wire to the furnace Connect thermostat to the two wires marked Thermostat extending from top of furnace using two wire nuts provided See Wiring Diagrams on Pages 30 and 31 Refer to Page 13 Fig 16 also Replace the fan to the original position on the motor shaft and tighten securely Replace the fan shroud making sure it is centered vertically on the fan Tighten the screws securely Replace the top front panel and secure with thumbscrew COMPLETE WIRING DIAGRAMS ON PAGES 30 AND 31 Installing Your Furnace Start Up Procedure Start the furnace using the procedures in OPERATING YOUR FURNACE the section WARNING Danger of bodily injury or death Liquefied petroleum gas L P Gas is heavier than air and it will settle in any low area including open depressions and it will remain there unless the area is ventilated Never attempt to start up the unit before thoroughly ventilating area Check the furnace operation as outlined in the following instructions If any sparking odors or unusual noises are encountered shut off electric power immediately Recheck for wiring errors
69. odes or in the absence of local codes the current CAN CGA B149 installation code The appliance when installed must be electrically connected grounded in accordance with local codes or in the absence of local codes with the current CSA C22 1 Canadian Electrical code Field conversions for high altitude are not permitted in Canada Reference is made in this manual regarding gas type as L P G Be advised that L P G is not available in Canada refer to propane L P Gas 1 Use only manufacturer s replacement parts Use of any other parts could cause injury or death 2 DONOT install the furnace in an alcove 3 DO NOT install this furnace where it could be isolated by closing doors to the heated space 4 DONOT install this furnace in a travel trailer or recreational vehicle 5 MAINTAIN all clearances specified in section Locating Wall Furnace and Thermostat and Vent Installation 6 BE SURE this furnace is for the type of gas to be used Check the rating plate by the gas valve in the lower cabinet Do not change it to use other gases without the proper manufacturer s Gas Conversion Kit 7 For natural gas the minimum inlet gas supply pressure for the purpose of input adjustment is 5 water column The maximum inlet gas supply pressure is 7 water column For L P Gas the minimum inlet gas supply pressure for the purpose of input adjustment is 11 water column The maximum inlet gas supply pressure is
70. om crawl space or basement Run the electrical supply with the ground wire and thermostat cable to the openings Leave enough length to connect in the junction box after the furnace is installed See section Electrical Wiring on page 19 CAUTION Do not run wire in any location where it might be damaged Avoid splicing thermostat wire unless the spliced wires are properly cleaned soldered and taped Use sheet rock or paneling etc to finish area Follow procedures under Surface Mount Installation Installing Your Furnace Surface Mount Installation FIND THE STUDS 1 Find two studs at spot where furnace is to be placed Use a stud indicator 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 2 Inside edge of the other stud should be about 14 7 inches from the one found Drive finishing nail on inside edge of this stud CUT VENT OPENINGS 1 Lay out and mark the center of the hole to be cut through the wall for the vent Page 9 Fig 8 Using a window door or wall corner for reference measure to find where vent will be on outside wall Check to be sure clearances are correct See Pages 7 amp 8 Fig 2 4 5 6 amp 7 2 Drill a inch hole through vent hole center to the outside Cut the 9 4 inch diameter hole through inside wall Using the i
71. or obstructions in or near fan motor CHECK GAS INPUT AND PRESSURES For furnaces located at elevations between sea level and 2 000 feet the measured input must not be greater than the input shown on the rating plate of the furnace For elevations above 2 000 feet the measured input must not exceed the input on the rating plate reduced by 4 percent for each 1 000 feet that the furnace is above sea level The gas supply pressure and manifold pressure with the burners operating is specified on the rating plate Manifold Pressure In W C Type of Gas Natural Rated input will be obtained on a heating value of 2 500 Btu hr for propane at 10 inches manifold pressure with factory sized orifices If L P Gas having a different heating value is supplied orifices must be changed by a qualified service technician before the furnace is operated CHECK THERMOSTAT Check thermostat operation When set above room temperature shown on the thermostat the main burner should light Make certain the thermostat turns off the furnace when the room temperature reaches the selected setting and starts the furnace when room temperature falls a few degrees ADJUST PILOT BURNER STANDING PILOT MODELS ONLY Pilot flame should surround 5 8 inch to 1 2 inch of the thermocouple tip To adjust remove the cap from the pilot adjustment screw on gas valve Turn screw counterclockwise to increase the flame clockwise to decrease Replace cap Refer to
72. ouple producing or blowing high causing pilot to drop out The pilot orifice or aerating hole may be insufficient millivolts plugged check for spiders webs or other organic material Be sure the thermocouple is fully inserted in its bracket B Loose or dirty 1 Pilot will not stay lit thermocouple Clean and or tighten the thermocouple fitting at the connection to the valve after following lighting connection at gas valve instructions m Check thermocouple with millivolt meter it should generate approximately 30 C Thermocouple defective millivolts when not connected to a load When connected to a load it should generate approximately 14 millivolts If below 7 millivolts replace D Thermomagnet pilot Replace gas valve after above is checked out safety defective A Gas valve not turned ON after lighting the pilot Turn gas valve knob to the ON position if no main gas flow proceed to Step B 2 ud nae Check for line voltage at furnace if okay and no main gas flow proceed to Step C Check for 24 volts at the low voltage terminals of the transformer If no voltage turn OFF electric power to furnace Remove one wire from the limit switch and check for continuity across both terminals No continuity replace the limit switch With a good C Low voltage transformer limit switch back in the circuit and the electric power turned ON if no voltage replace or limit switch
73. r INCLUDES FITTINGS LENGTH OF PIPE FEET 1 2 INCH 3 4 INCH 1 INCH 2 189 000 393 000 732 000 E 129 000 267 000 504 000 6 103 000 217 000 409 000 WARNING Danger of property damage bodily injury or loss of life Never use a match or open flame to test for leaks Never exceed specified pressures for testing High pressures may damage the gas valve and cause over firing which may result in heat exchanger failure Liquid petroleum L P Gas is heavier than air and it will settle in any low area including open depressions and it will remain there unless area is ventilated Never attempt startup of the unit before thoroughly ventilating area ELECTRICAL CONNECTION Refer to paragraph covering GAS AND ELECTRICAL SUPPLY OPENINGS Page 10 Follow Wiring Diagrams Pages 30 and 31 If you have any doubt regarding the electrical hookup or compliance with code or ordinance consult your electrical inspector or a licensed electrician HELPFUL HINT After wire nuts are screwed to wires a small strip of electrical tape can be applied over wire nut at its base and onto wires to make a very solid connection Installing Your Furnace GROUNDING The appliance when installed must be electrically grounded in accordance with local codes and ordinances or in their absence with National Electrical Code ANSI NFPA 70 or Canadian Electrical Code CSA C22 1 if an external electrical source is utilized This appliance is equipped with th
74. ree prong grounding plug for your protection against shock hazard and should be plugged directly into a properly grounded three prong receptacle Do not cut or remove the grounding prong from this plug A ground lug is installed for the ground connection Use a copper conductor HAWG from the unit to a grounded connection in the electric service panel or a properly driven and electrically grounded ground rod ELECTRICAL POWER SUPPLY Hemove three prong grounding service cord from the envelope parts package to be installed in the furnace Remove 7 8 inch diameter 22mm knockout at the left or right bottom side panel to route the three prong service cord to an electrical outlet 1 Insert the nylon cap attached to the end of the three prong service cord thru the 7 8 inch diameter knockout into the burner control assembly area and insert it into the nylon plug attached to the outer casing bottom If desired you may route the thermostat wire alongside of the service cord and thru the same opening or choose another entry into the burner control assembly area 2 Attach 7 8 inch diameter strain relief around the three prong service cord and thermostat wire if thermostat wire is routed thru the knockout Insert the 7 8 inch strain relief into the 7 8 inch hole in the side panel of furnace Replacement Part Listing WARNING Do not insert the three prong grounding service cord inside the burner control assembly area more than 10 i
75. rner Box gasket Replace if damaged Replace burner assembly and control assembly by reversing the above procedures Check the spark gap It must be carefully adjusted to specifications as illustrated Fig 30 for the ignition device to function properly Furnace Technical information Furnace Technical Information Rating in Btu hr Main Burner Orifice 1965 Number HTG DRILL DEC QTY CAPAC 4007332 NATURAL 40 000 31 732 1160 4007732 NATURAL 40 000 32 216 1160 5507332 NATURAL 55 000 42 231 0960 6007732 NATURAL 60 000 47 059 1010 The efficiency rating of these appliances is a product of a thermal efficiency rating system determined under continuous operating conditions and was determined independently of any installed system For elevations above 2 000 feet reduce ratings 496 for each 1 000 feet above sea level Btu hr British Thermal Units per hour Wiring Diagrams Wiring Diagrams MODELS 4007332 4007331 FOR 40M Btu hr FAN TYPE VENTED WALL FURNACE WITH INTERMITTENT IGNITION CONTROL SYSTEM FAN SWITCH 115V 10 60Hz SERVICE CORD SOCKET CONNECTOR LIMIT SWITCH TO THERMOSTAT VENT LIMIT SWITCH GAS VALVE 3 CONTROL MODULE LEGEND NOTES FACTORY WIRED LINE VOLTAGE FACOTRY WIRED LOW VOLTAGE 1 4 QUICK CONNECT TERMINAL FOR FACTORY WIRING WIRE CONNECTOR FOR FACTORY WIRING LINE VOLTAGE SCREW TERMINAL LOW VOLTAGE FACTORY WIRED CONNECTION
76. s supply line must be of adequate size to handle the Btu hr requirements and length of the run for the unit being installed Determine the minimum pipe size from Page 19 Fig 26 basing the length of the run from the gas meter or source to the unit FIGURE 25 Sealant thin Two threads enough to exposed show threads s __ PROPER PIPE THREADING All piping must comply with local codes and ordinances or with the National Fuel Gas Code ANSI Z223 1 1988 whichever applies In Canada Follow CAN CGA B149 Installation Code 18 Proper Piping Practice FIGURE 24 Left Side Gas Inlet MANUAL SHUT OFF VALVE GROUND JOINT PIPED ov GAS SUPPLY n 3 IN 76 2 mm MINIMUM HORIZONTAL 1 8 NPT PLUGGED HOLE FOR TEST GUAGE GROUND JOINT MANUAL SHOT OFF VALVE PIPED lt GAS SUPPLY FITTING 3 IN 76 2 mm MINIMUM MANUAL SHUT OFF VALVE DROP HORIZONTAL _ a TUBING GAS SUPPLY 3 IN 76 2 mm NIPPLE MINIMUM 73 N ALL BENDS IN METTALIC TUBING SHOULD BE SMOOTH CAUTION SHUT OFF THE MAIN GAS SUPPLY BEFORE REMOVING END CAP TO PREVENT GAS FROM FILLING THE WORK AREA TEST FOR GAS LEAKAGE WHEN INSTALLATION IS COMPLETE Left side gas inlet shown Models vary Check to be sure Sealant past tip Damaged threads INCORRECT Sealant too thick Over threaded Refer to Page 18 Fig 24 for the general layout at the unit It
77. tage to motor if below 115 volts the motor will run too slow OFF and ON with blower ON Heated air discharging against an object causing recirculation such as hall i i installation or a large piece of furniture within 4 of discharge Furnace operates but Check location of the thermostat It should not be in the path of warm air discharge turns OFF before Zo from the furnace near a lamp or above a TV set or stereo room temperature is attained Furnace operates but A Thermostat wiring Check the thermostat wiring from furnace to the thermostat may be shorted together will not shut OFF defective by a nail or staple when room temperature is B Thermostat location attained B Defective thermostat Check the thermostat calibration or replace Check thermostat location if on an outside wall or there is a hole in wall behind the thermostat causing cold air to contact the thermostat relocate the thermostat Check the motor mounts they may be loose Fan blade could be out of balance Set A Blower noise screw may be loose on the motor shaft Blower may be rubbing on the fan shroud Motor may need oiling Correct as needed Check installation casing may be twisted or not level when installed Expansion slip ion i ise ticki BEDA Operauen DOSSIERS joint may be binding check by removing vent cap assembly from outside wall During normal furnace operation the
78. uipped with an ignition device which automatically lights the pilot Do not try to light the pilot by hand 5 Remove the control access panel 6 Turn the gas control knob clockwise to OFF GAS CONTROL KNOB SHOWN IN POSITION p DW ls TO TURN OFF GAS TO APPLIANCE Set the thermostat to its lowest setting Remove the control access panel E ZO aes Replace the control access panel If you cannot reach your gas supplier call the fire department C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water NOTE FOR ADDITIONAL INFORMATION REFER TO THE INSTALLATION AND OPERATION INSTRUCTION MANUAL SUPPLIED WITH THIS APPLIANCE OR CONTACT THE MANUFACTURER IDENTIFYING THE PRODUCT BY ITS MODEL NUMBER LOCATED ON THE RATING PLATE FOUND NEAR THE GAS VALVE 7 Wait five 5 minutes to clear out any gas then smell for gas including near the floor If you smell gas stop Follow B In the safety information above If you don t smell gas go to the next step 8 Turn the gas control knob counter
79. und the tube Use the edge of the tape as a guide to help keep starting from end with collar and holes Cut off evenly File off any the cut straight burrs resulting Vent tube B Add 27s inches to dimension X Mark on tube starting from end with collar and holes Cut off evenly File off any ATTACHING TUBE TO FURNACE burrs resulting The smaller diameter vent tube Page 15 Fig 19 B must be CUT ONLY THE PLAIN END WITHOUT THE FLANGE OF THE installed first TUBES MAKE A ARE CUT TO THE EXACT LENGTH Hee ix SAIS E The easiest way to install the vent tubes and get the gaskets positioned properly is to have the furnace lying front down on a flat surface IMPORTANT To prevent harmful flue gases from entering the house make sure NOT to trim air or vent tubes shorter than specified below 1 Attach vent tube Page 15 Fig 19 B and gasket to the back of the furnace heat exchanger with 8 8 x inch sheet metal screws provided 2 Attach air tube Page 15 Fig 19 A and gasket to the back of the furnace casting with 8 8 x inch sheet metal screws provided 14 Installing Your Furnace NOTE Each tube must overlap the collars of the vent cap a minimum of 1 4 inches which is obtained when tubes are cut correctly as previously described Trim To conceal the space between the furnace and wall use 4701 Trip Strip Package not furnished with furnace 34 inch round or other wood trim TRIM CO
80. ve within the furnace is shipped with a seal over the gas inlet tapping Do not remove seal until ready to connect piping WARNING Danger of property damage bodily injury or death Make sure the furnace is equipped to operate on the type of gas available Models designated as natural gas are to be used with natural gas only Furnace designated for use with liquefied petroleum L P gas rate orifices sized for commercially pure propane gas They cannot be used with butane or a mixture of butane and propane GAS SUPPLY For Natural gas the minimum inlet gas supply pressure for the purpose of input adjustment is 5 inches water column The Maximum inlet gas supply pressure is 7 inches water column For L P Gas the minimum inlet gas supply pressure for the purpose of input adjustment is 11 inches water column The maximum inlet gas supply pressure is 13 inches water column Gas pressure 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 10 inches water column for L P Gas See Page 21 for operation above 2 000 feet altitude Orifice change may be required to suit the gas supplied Check with your local gas supplier ORIFICE SIZES Furnace Technical Information Page 29 shows the correct orifice sizes for the different input ratings when using Natural or L P Gas GAS PIPING The ga

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