Williams 2203821 Installation Guide
Contents
1. umm MANUAL SAU T OFF VALVE T 3 iN 78 2 mm MUMEMALIM GROUND JOT UNIDN GAS BUPPLY EL NIPPLE 1 788 amp UO tad ha ii hd A ALL BENDS IN METAL TUBING MUST BE SMOOTH AN GALITRON SHUT OFF THE MAIN GAB SUPPLY BEFORE REVOI G THE END CAP TO PREVENT GAS FROM FILLING THE WORK ARES TEST FOR GAS LEAKAGE WHEN INSTALLATION HF COMPLETE Installation FIGURE 13 Sealant thin Two threads enough to exposed show threads PROPER PIPE THREADING Checking the Gas Piping Test all piping for leaks When checking gas piping to the furnace with gas pressure at less than 1 2 PSI shut off manual gas valve to the furnace If the gas piping is to be checked with the pressure at or above 1 2 PSI the furnace and manual shutoff valve must be disconnected during testing Apply a soap solution or a liquid detergent to each joint Bubbles forming indicate a leak Correct even the slightest leak at once WARNING Danger of property damage bodily injury or death Never use a match or open flame to test for leaks Never exceed specified pressures for testing Higher pressures may damage the gas valve and cause over firing which may result in combustion chamber failure Liquefied petroleum gas L P G 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 start up of the unit before thoroughly ventilating the area and smell2. 1 Inner cone blue color 1 2 to 3 4 inch above ports 2 Secondary inner cone light blue 1 to 2 inches above ports 3 Total flame from blue to nearly invisible approximately 6 inches above ports ess eee ESSE eee gt How to Care for Your Furnace Abnormal Appearance Lazy Flame Long soft yellow cones moving around in the combustion chamber lifting from ports insufficient air Extremely Fast Flame Will not hold to ports entire cone sections blow off from noisy ports too much pressure WARNING If flame appears abnormal contact the gas company or a qualified service technician immediately Annual Upkeep Needed It is recommended that a qualified service technician perform these checks at the beginning of each heating season Burner Cleaning Keep clean at all times Clean all foreign materials from the top of burner For access to the burner 1 Shut off the gas supply to furnace 2 Remove the cabinet 3 Disconnect the gas line inside cabinet at the ground joint union fitting 4 Remove the six 6 10 24 screws securing the control door assembly to the combustion chamber 5 Carefully remove the control door and burner assembly from the combustion chamber Be careful not to damage the control door gasket 6 Clean all foreign materials from the top of the burner 7 After cleaning replace the control door and the burner assembly by reversing the above procedure The control d
3. 20 Total electrical load less than 3 AMPS Figure 3 Blower Accessory 2302 and 2303 Replacement Parts List Model 2302 et iene _ _sere ne __ _ ot __ 8 NENNEN es 08 49 RW Vibration Isolator 2 Required 6B64 P323335 Model 2303 Ret Number Part Numbor Louver Assembly 6 P8208 Heat Sensor Switch Strain Relief CSO Fan Switch Go oe RS MERE Plug and Cord Note Screws and bolts are standard hardware items and may be purchased locally Replacement Parts List 1403821 1403822 1413821 1413822 1433821 1433822 1453821 1453822 8A72 8B77 P147001 8B62 P147000 6C54 1 Vent Cap 9306 6C60 64193 8B64 Ref Number Description Note Screws and bolts are standard hardware items and may be purchased locally 22 Replacement Parts List 2203821 2203822 _ 2213821 2213822 Ref Number Description 2233821 2233822 2253821 2253822 4313 4313 a o Combustion Chamber Shield 6B149 6B149 EET a Flue Tube Gasket 2 Required P147001 P147001 Flue Extension Standard Maximum 9 8A51 8A51 Thick Wall Air Inlet Gasket P147000 P147000 BEEN Air Inlet Collar Standard Maximum 9 6C60 6C60 Thick Wall Mounting Spacer Plate 6C66 6C66 a Air Inlet Shield Standard Maximum 9 6C54 1 6C54 1 Thick Wall 9 Vent Cap 9306 9306 Bottom Heat Shield 9 poc uw 3 Note Screws and bolts are standard hardware items and may be purchased locally Replacement Parts
4. Open the control access panel Push in the gas control knob slightly and turn it clockwise to OFF OF ob a NOTE The knob cannot be turned from PILOT to OFF unless the knob is pushed in slightly Do not use force 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 on previous page If you do not smell gas go to the next step 7 Loosen wing nut and open the pilot observation door 8 To find the pilot follow the metal tube from gas control valve The pilot is mounted on the side of the burner 9 Turn the knob on gas control valve counter clockwise N to PILOT To Turn Off Gas To Appliance 1 Set the thermostat to its lowest setting 2 f servicing is to be performed turn off all electric power to the appliance 3 Open the control access panel 4 Push in the gas control knob slightly and turn it clockwise f to the OFF position Do not use force 5 Close the control access panel Start Up Procedure Start the furnace using the procedures in the section Operating Your Furnace WARNING Danger of bodily injury or death Liquid petroleum gas L P G 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 the area Check the
5. Optional Accessories Vent Extensions For walls greater than 9 inches thick and up to 24 inches thick use one of the following Vent Extension Kits Kit Number Wall Thickness Models 9301 9 inches to 15 inches 22038 Series 9302 15 inches to 24 inches 22038 Series 9303 15 inches to 24 inches 14038 Series 9304 9 inches to 15 inches 14038 Series Blower Accessories 2302 2303 To increase circulation of warmed air within the heated space you may use Blower Accessory Kit 2302 for model series 22038 or Kit 2303 for model series 14038 Both are equipped with a two speed fan and an automatic fan switch Thin Wall Collar Kit 9307 For walls less than 4 1 2 inches thick a Thin Wall Collar Kit may be used to increase wall thickness Vent Cap Guard 9308 This mounts to the outside of the exterior wall over the vent cap to protect pedestrian traffic from heat Vent Shield Deflector 4318 Insulated galvanized sheet for all direct vent models Gas Conversion Kits Used to convert your furnace from Natural Gas to L P Gas and from L P Gas to Natural Gas See page 12 Installation Locating Wall Furnace Consider the following points before attempting to install the furnace All Models 1 This is a direct vent wall furnace It must be installed on an outside wall for proper venting of flue gases Figure 1 2 Wall furnace must be surface mounted on an outside wall up to 24 inches thick when using an optional Vent Extension
6. condensation or ignition problems Over firing could cause shooting flame impingement or overheating of the combustion chamber Before starting the natural gas input check obtain the heating valve of the gas BTU per cubic foot at standard conditions from your local supplier This factor is used in the Check the Gas Input section and procedure To measure the input using the gas meter proceed as follows 1 Turn off the gas supply to all other appliances except the furnace 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 3 600 Sec Per Hr This gives the seconds per cubic foot of gas being delivered to the furnace 3 Assuming natural gas with a heating valve of 1 000 Btu per cubic foot and 34 seconds per cubic foot as determined by step 2 above then Input 1 000 x 3 600734 106 000 Btu hr This measured input must not be greater than the input indicated on the rating plate of the furnace 4 Relight all other appliances turned off in step 1 above Be sure all pilot burners are operating WARNING Natural gas heating valve Btu per cubic foot can vary significantly therefore it is the installer s responsibility to see that Btu input to the furnace is adjusted properly Failure to do so could cause combustion chamber failure asphyxiation fire or expl
7. EMBOsSED Tor A y VENT CAP 1 Dae zl a aji gj OF WALL lj OPENING i e T er OP n 3 D d Li um A Y MASTIC G FASTEN SPACER PLATE TO WALL M ELS T o s FASTEN LEG 7 f SSSA TG WALL i eS SON 1 LEGS ON FINISHED FLOOR j z FIGURE 6 nstallation Thermostat Installation Wall Mounting 1 If an existing thermostat is being replaced and is in a satisfactory location and the wiring is in good condition use existing wiring If in doubt use new wiring If a new location is chosen or if this is a new installation the thermostat wire must first be run to the location selected All 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 the selected location drive a small finishing nail through the ceiling in the comer 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 1 2 inch hole through the ceiling wall plate Probe for obstructions in the partition Then drill a 1 2 inch hole through the wall at the selected location for the thermostat From the attic feed the thermostat wire or a stiff wire through the wall until even with thermostat location Snag the thermostat wire through
8. Gabinet Installation e eom e pae eo e e e reU E Deas 11 Gas Supply and PIPING sito io a 11 Operating Your FUrNACEC ccccccssececceseecceeesecceeseecseseeessaes 14 16 Bielguigemtor POL eee TP 14 Operating Instructions eeseeeeseeeeneeene 15 To Turn Off Gas to Appliance eseeeeeeeeeeeneeee 15 Start Up Procedure esseesssssssssssseeeen enean 15 How to Care for Your Furnace eeeeeeseeeeeeeeereeer 17 Installations in the State of Massachusetts 18 Blower Accessory 2302 and 2303 sseeeseeessss 19 21 Replacement Parts LISt 5 eee oe ena aA 22 24 TrOUDIeSTOOll DI ritu debui rerba a AC on ea reps acu ER ER 25 26 SERVICE REC ooa odii etc otuaeesatt e caa m irs S 27 Hints and Intermnallgbiss uis ooo e ut aumento eu A 28 How to Order Repair Parts cccccsecccseeseeeeeceseeteeeeseeeeseeeees 28 safety Rules WARNING READ THESE RULES AND THE INSTRUCTIONS CAREFULLY FAILURE TO 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 with the National Fuel Gas Code ANSI 2223 1 The appliance when installed must be electrically connected and grounded in accordance with local codes or
9. Kit 3 Check the clearances needed from the furnace and vent Figure 1 and 2 You must place the furnace where you will have no less than the clearances shown 4 The outside vent must be at least 18 inches away from any window or other building opening 5 The furnace will not work if anything stops free entry of fresh air into the vent or free flow of flue gases from it Be sure the center of the vent cap is at least 12 inches above ground level or shrubs Figure 1 Make sure shrubs are kept trimmed It must also be at least 18 inches from any wall or other blockage and 30 inches below any overhang 6 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 it in a closet alcove hallway or other confined space where the furnace could be isolated by closing doors to the heated space 7 Be sure that gas piping and electrical wiring optional blower only can be brought to the furnace 8 Select a location that will provide adequate accessibility clearance for servicing and proper operation Interior Clearances Figure 2 14038 Series 1 There must be at least 1 3 16 inches of space between the floor top of floor covering and the bottom of cabinet 2 The top of the furnace must be at least 24 inches from the ceiling or other projecting overhang 3 The side of the furnace must not be closer than 2 inches to an adjacent wall 220
10. 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 nor 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 homeowners 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 3 A bill of sale cancelled check payment record or permit should be kept to verify purchase date to establish the warranty period 4 Have the installer enter the requested information in the space below GENERAL 1 The manufacturer neither assumes nor authorizes any person to assume for it any other obligation or liability in connection with said equipment 2 Service under this warranty should be obtaine
11. column 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 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 11 12 13 14 15 16 17 18 19 20 21 BE SURE to provide for adequate combustion and ventilation air The flow of this air to the furnace must not be blocked NEVER vent flue gases into another room a fireplace or any space inside a building This could cause property damage bodily injury or death 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 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 DUE TO HIGH TEMPERATURES locate the furnace out of traffic and away from furniture and draperies ALERT children and adults to the hazards of high surface temperatures and warn them to keep away to avoid burns or clothing ignition CAREFULLY supervise young children when they are in the same room with the furnace DO NOT place clothing or other flam
12. pilot in place of a match Press spark igniter button repeatedly and vigorously If the spark igniter fails to provide spark to light the pilot loosen the wing nut holding the pilot cover This opens to the combustion chamber The pilot may be ignited with a match 1 Follow the instructions below and use a match to light the pilot as instructed 2 After lighting the pilot carefully replace the pilot observation door and tighten wing nut down On new installations the gas lines will be filled with air and it may take several tries to establish the pilot flame Check the manual shutoff valve in the gas line It must be in the open position handle parallel to the gas line before you can light your furnace Your furnace is equipped with a 100 safety pilot which will shut off the gas valve in case the pilot is not burning or functioning properly Make sure the pilot is adjusted properly and that the generator connection at the control valve is tight If furnace will not stay lit call your local gas utility company 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 lit 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 gases are heavier than air and will settle on t
13. the cabinet The furnace area must be kept clear and free from combustible material gasoline and other flammable vapor and liquids Cabinet Finish Clean the cabinet with a damp cloth Never use abrasive cleaners Cabinets are finished in heat resistant powder paint DO NOT refinish Pilot Burner Light the pilot using instructions in Lighting the Pilot Leave the thermostat at its lowest setting The pilot flame should surround the generator tip 1 4 to 5 8 If flame needs adjusting do so as follows 1 Insert a small screwdriver into the pilot adjusting screw Adjust flame as needed Turn the screw counterclockwise to increase the flame clockwise to decrease the flame 2 Turn the thermostat to the highest setting The main burner should light quickly and smoothly Turn the thermostat to its lowest setting The main burner should go out The pilot should remain lit FIGURE 17 PILOT ADJUSTMENT GAS CONTROL KNOB SHOWN IN OFF POSITION WARNING Danger of bodily injury or death If equipped with accessory blower turn off the electric power supply at the disconnect switch fuse box or service panel before removing any access doors or service panels from unit 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 furnaces For direct vent appliances me
14. the wall so that 6 inches of wire protrudes Route wire to the furnace leaving enough excess wire to make the connections at the gas valve FIGURE 7 Zz AUD SMALL FINISH NAIL TO LOCATE HEADER THERMOSTAT ql STIF WIRE TO SNAG CABLE CABLE E uS A A Cabinet Mounting 1 Locate the knockout on the right side of the furnace to mount the thermostat Remove the knockout by tapping it lightly with a screwdriver FIGURE 8 1 3 4 1 750 718 875 19 32 594 KNOCKOUT IN SIDE OF CABINET DRILL TWO 2 3 32 094 DIAMETER HOLES ABOVE KNOCKOUT 2 Cut the thermostat wire to the required length below Model Number Length 14038 Series 31 inches 22038 Series 45 inches 3 Connect the thermostat wires to terminal screws on the front of the thermostat base See instructions packaged with thermostat 4 Feed the thermostat wires through the knockout and to the gas valve Important Keep the thermostat wire away from the combustion chamber 5 Mount the thermostat to the side of cabinet with the screws provided Replace the thermostat cover 6 Connect the thermostat wire to the gas valve Figure 9 IMPORTANT BEFORE REMOVING THE FACE PANEL DISCONNECT THERMOSTAT WIRES AT THE GAS VALVE Installation Thermostat Mounting FIGURE 9 1 To remove the thermostat cover grasp cover and squeeze both sides firmly then lift to remove cover Carefully WLLIAMS P295200A OR P295201A
15. 38 Series 1 There must be at least 5 1 2 inches of space between the floor top of floor covering and the bottom of cabinet 2 The top of the furnace must be at least 30 inches from the ceiling or other projecting overhang 3 The side of the furnace must not be closer than 2 inches to an adjacent wall Choose a location for the thermostat about 5 feet above 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 so the thermostat can be a maximum of 16 feet from furnace measured in a straight line or approximately 12 feet from the furnace if the wire is run under the floor The thermostat should be sensing an average room temperature avoid the following Hot Spots Cold Spots Dead Spots Concealed pipes ducts Concealed pipes ducts Behind doors Fireplaces Stairwells drafts Corners alcoves Registers Doors drafts TV sets Unheated rooms on Radios other side of the wall Lamps Direct sunlight Kitchen After selecting 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 required move or pick a new location FIGURE 1 MINIMUM DIMENSIONS FROM THE VENT 30 MIN BELOW TENET SIDE AN OVERHANG 127 MIN ABOVE OBSTRUCTION FROM ANT WALL OBSTRUCTION F OR WINDOW Installa
16. List 1403821 1413821 1403822 1413822 1433821 1433822 1453821 1453822 P168400 P168400 Control Door with P500677 Gasket 8A103 8A103 Gas Valve P295200A Manifold with P147200 Gasket P323659 Burner Orifice Sea Level P090550 Manual Spark Igniter P285500 Pilot P142700 gasket not included P322398 Thermostat P322016 Observation Door with P100100 Gasket 12B40 Electrode P322400 P322400 Ref Number Description Note Screws and bolts are standard hardware items and may be purchased locally Ref Number Description 2203821 2213821 2233821 2253821 2203822 2213822 2233822 2253822 Control Door with P500677 Gasket Gas Valve Burner 24 B Troubleshooting SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION Pilot will not stay lit A Generator producing insufficient Check the pilot flame It must impinge on the after carefully millivolts generator Be sure the generator is fully following lighting inserted in the bracket Make sure the pilot instructions lighting door is tightly closed B Generator defective Check generator with millivolt meter Take reading at generator terminals of valve with pilot burning and thermostat contacts closed The reading should be 140 millivolts or more C Loose or dirty generator connections at Clean and or tighten connections at valve gas valve D Grounded thermostat lead wire Remove thermostat lead wires from valve terminals If the pilot now stays lit trace the
17. ZANILLIAMS Own e rs M a nN u a Save this manual for future reference Direct Vent Wall Furnace Model Numbers 1403822 1413822 1433822 1453822 2203822 2213822 2233822 2253822 FOR USE WITH NATURAL GAS ONLY Model Numbers 1403821 1413821 1433821 1453821 2203821 2213821 2233821 2253821 FOR USE WITH PROPANE 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 may result causing property damage personal injury or loss of life Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS 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 neighbors phone Follow the gas supplier s instructions If you cannot reach your gas supplier 14 000 Btu hr 22 000 Btu hr call the fire department Installation and service must be performed by a qualified installer service gas supplier WARNING Improper installation adjustment alteration service or maintenance can cause injury or property damage Refer to this manual For assistance or additional information consult a qualified Installer service agency or the gas su
18. allation 4 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 18 Blower Accessory 2302 and 2303 This accessory can be operated using the factory equipped three prong grounding plug and cord or may be field wired See field wiring installation instructions below When using the plug and cord for your protection against shock hazard it must be plugged directly into a properly grounded three prong receptacle DO NOT REMOVE THE PRONG All electrical work must conform to your local codes and ordinances or in their absence with National Electrical Code ANSI NFPA 70 In Canada Canadian Electrical Code C22 1 It must also be electrically grounded If you are not familiar with wiring codes in general have a competent electrician do the job Mounting Model 2302 1 Remove the knock out plates A and B from right side of the furnace Figure 1 page 20 2 Remove the junction box cover and place the blower and junction box in position as shown on Figure 1 page 20 3 Attach the blower and the junction box to the inner casing using the pre punched holes with screws C and D provided with this kit See Figure 1 on page 20 for proper mounting hole to use with your furnace model see rating plate for furnace mode
19. and odor may occur We recommend ventilating the area during this initial break in period Check Gas Input and Pressures For furnaces located at altitudes between sea level and 4 500 feet the measured input must not be greater than the input shown on the rating plate of the furnace For elevations above 4 500 feet the measured input must not exceed the input on the rating plate reduced by 4 for each 1 000 feet that the furnace is above sea level The gas supply pressure and the manifold pressure with the burners operating must also be as specified on the rating plate Operating Your Furnace Type of Gas Manifold Pressure In W C The rated input will be obtained on 2 500 Btu of propane at 10 inches manifold pressure with factory sized orifices If L P Gas having a different value is supplied orifices must be changed by a qualified installer before the furnace is operated 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 water column should be used for this measurement The manifold pressure must be measured with the burner and pilot operating Any major changes in the flow must be made by changing the size of the burner orifice Check with your local gas company for the proper orifice size Check the Gas Input Natural Gas Only Under firing could cause inadequate heat excessive
20. atural gas only Furnaces designated for use with liquefied petroleum gas L P G have orifices sized for commercially pure propane gas They cannot be used with butane or a mixture of butane and propane 22038 Series Set the cabinet over the furnace body dropping the rear top flange into the slot in top of the spacer plate and into the slots between the support legs and wall When correctly positioned side to side a dimple on the rear top flange will slide against the inside of each support leg Attach two 2 tension springs through the bottom flange of the combustion chamber and the bottom of the cabinet Fasten the trim strip to the bottom of the support legs using two 2 sheet metal short screws Figure 11 FIGURE 11 CABINET TENSION SPRING TRIM STRIP Gas Supply Minimum gas supply pressure for natural gas to the furnace control valve is 5 inches water column and must not be more than 7 inches water column Minimum gas supply pressure for L P gas to the furnace control valve must be at least 11 inches water column and must not exceed 13 inches water column Gas pressures and pressures to the burners must not exceed the rated input and pressure shown on the rating plate For natural gas the manifold pressure should be 4 inches water column The manifold pressure should be 10 inches water column for L P gas An orifice change may be required to suit the gas supplied Installati
21. ature is set attained producing sufficient being heated orifice Furnace operates A Thermostat wiring defective Thermostat lead wires may be shorted but will not shut together by a nail or staple Check by OFF when room temperature is Burner comes ON but goes OFF after operating for no apparent reason Furnace operates but turns OFF before room removing thermostat leads from the valve terminals attained B Thermostat location Check the thermostat location If on an outside wall or there is a hole in the wall behind the thermostat causing cold air to contact the Troubleshooting SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION Pp thermostat Relocate the thermostat C Defective thermostat Check the thermostat calibration or replace D Dirt under the valve seat or valve stuck Replace the valve open 7 Pilot outage A Pilot flame may be low or blowing Adjust pilot flame Check vent tube and air problem High causing the safety to drop out inlet tube Be sure pilot lighting door is closed Pilot orifice or aerating hole may be plugged check for spiders webs or other material observation doors operation low B Expansion noise ticking Casing may be distorted by being fastened to an uneven wall Vent tube and air inlet tube may be in a bind with a vent cap assembly Be sure the hole through the wall is correct and parts fit without binding 9 Noisy Blower 10 Blower does no
22. ch as steel or black iron pipe and fittings that are approved by local codes Metal chips and debris can damage the gas valve 12 2 Do not thread the pipe too far Distortion or malfunction may result from excess pipe within the control valve Apply a moderate amount of good quality dope to the pipe threads only Leave the two end threads bare Figure 13 On L P gas installations use a compound resistant to action of liquefied petroleum gases Use ground joint unions 4 Install a drip leg sediment trap to trap dirt and moisture before it can enter the gas valve The nipple must be a minimum of 3 inches long Install a manual shutoff valve Provide a 1 8 NPT test gauge connection immediately before the gas supply connection to the furnace Gas Connection If installation is for L P gas use a two stage regulator and make all connections from the storage the tank to furnace Use two pipe wrenches when making the connection to the valve to prevent turning and or damage to the gas valve The connection between the shutoff valve and the burner control assembly can be made with an A G A C G A design certified flexible connector if allowed by local codes FIGURE 12 WANDAL SHUT OFF VALVE TI DRUP OROUND 3047 UNION PIPED i 1 8 WPT PLUGGED OAS GAS TEE HOLE FOR TEST SUPPLY VAL WEP FITTE GUAGE NIPPLE Ap RC 3 1H 782 5m e CROUND JOINT RA BALI 2 MANUAL SMUT CKF PIPED po OAS SUPPLY
23. chanical 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 1 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 houses the appliance or equipment b Be either hardwired or battery powered or both and c Shall comply with NFPA 720 2005 Edition 3 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 inst
24. d 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 in accordance with manufacturer s instructions and local codes EEUU Table of Contents Your Wiliams Waranty suited eder esk a vice vaca era EE eire noa Posh ka va halve 2 InstallaHom IeeGOEd oi nire esie a scc ud 2 Table ot Coments ics ee Ae c Dolan d ets 3 Salety RUES src ad isto rb e ep Dat idc morie 4 MOCC CUO Ere NEC xc 5 Bede Peer ES 5 TOOS NGEJO ose usitata iiec cute eese Se cei auta 5 Mateni SE ET ETT TTE TTE 5 Helpful Installation Information cccccccceeececeeeceeeesaeeeeeneeeeees 5 Optional ACCESSOTMICS cccccccceececeesecceeeeceeeececessueeeseeeseusessaees 5 INS CAN AOI m INE 6 13 Locating Your Wall Furnace cccccsececssceceseeeeeeeeseseeneeeeseaees 6 Thermostat Installatloh uiii ore eben Hilo weston aeo ah 9
25. e 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 Please read our instructions before you install and use your furnace This will help you obtain the full value from this furnace It will also help you avoid any needless service costs if the problem is found within this instruction manual Always consult your local heating or plumbing inspector building department or electric utility company regarding regulations codes or ordinances which apply to the installation of a Direct Vent Wall Furnace Basic Description Your direct vent wall furnace is shipped ready to install against an exterior wall up to 9 inches thick For walls greater than 9 inches and up to 24 inches thick use an optional Vent Extension Kit The furnace may burn either Natural or L P Gas depending on the model you have purchased No electric power is required unless furnace is equipped with an optional blower accessory 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 Tools Needed Hand drill or properly grounded electric drill 6 ft folding rule or tape measure Screwdrivers Phillips Head Pliers wire cutting Stud locator or small finishing nail
26. furnace operation as outlined in the following instructions If any sparking odor or unusual noises are encountered shut off electrical power immediately Recheck for wiring errors or obstructions in or near the optional blower motor GENERATOR 10 Push in the control knob all the way and hold it in Immediately light the pilot Continue to hold the control knob in for about one 1 minute after the pilot is lit Release the knob and it will pop back up The pilot should remain lit If it goes out repeat Steps 5 through 10 If the knob does not pop up when released stop and immediately call your service technician or gas supplier If the pilot will not stay lit after several tries turn the gas control knob to OFF and call your service technician or gas supplier 11 Close the pilot observation door tighten the wing nut if equipped 12 Turn the gas control knob counter clockwise to ON 13 Close the control access panel 14 Turn on all electric power to the appliance if applicable 15 Set thermostat to the desired setting WARNING Due to high surface temperatures keep children clothing furniture or any combustible material away from the furnace WARNING Danger of ignition flash and eye injury or blindness Protect your eyes Never attempt to light the pilot with the gas control valve knob in the ON position Flashback could occur Notice During the initial firing of this unit some smoke
27. he floor 14 Input and output ratings shown on the rating plate located in burner compartment must not be exceeded IMPORTANT KEEP BURNER AND CONTROL COMPARTMENT CLEAN WARNING Do not store or use gasoline or other flammable 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 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 do not 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 WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance e Do not touch any electric switch Do not use any telephone or cell phone in your building e Immediately call your gas supplier from a neighbour s phone Follow the gas supplier s instructions e f you cannot reach your gas supplier call the fire department IMPORTANT KEEP BURNER AND CONTROL COMPARTMENT CLEAN Operating Your Furnace Operating Instructions STOP Read the safety information above Set the thermostat to lowest setting If applicable tum off all electric power to the appliance
28. ical power is required unless furnace is equipped with an optional blower kit Do not connect a 115V service line to the gas valve or wall thermostat Install Spacer Plate Figure 5 Install the mounting spacer plate with spacers entering and centered within the 9 1 4 inch vent opening in the wall Level the top of the spacer plate embossed top and fasten it to the interior wall using the six 6 8 roundheaded long screws provided Important The vent tubes are factory equipped for walls 5 to 9 inches thick only For wall thicknesses up to 24 inches follow the instructions packed with the appropriate factory Vent Extension Kits Furnace Mounting Figure 5 Set the furnace body against the wall legs on the floor with the vent tubes extending through the spacer plate Fasten the furnace to the wall through holes at the top and bottom of the support legs using the four 4 3 round headed long screws provided Push the air inlet shield on from the exterior side of the wall Rotate the air inlet shield until the notches on the end of the tube are straddling the standoff tabs on the mounting spacer plate Trim the air inlet shield flush with the exterior of the wall Never crimp the vent tubes or force them to fit Note Do not trim flue extension or air inlet collar Install Vent Cap Outside place a single strip of mastic provided around the back flange of the vent cap Figure 5 Install the vent cap by inserting it in
29. in the absence of local codes with the current National Electrical Code ANSI NFPA NO 70 In Canada 1 Installation must conform to local codes or in the absence of local codes the current CAN CGA B149 installation code 2 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 CSA C22 1 Canadian Electrical code 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 Use only manufacturer s replacement parts Use of any other parts could cause injury or death DO NOT install this furnace where it could be isolated by closing doors to the heated space DO NOT install this furnace in a travel trailer or recreational vehicle MAINTAIN all clearances specified in section Locating Wall Furnace and Thermostat BE SURE this furnace is for 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 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 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 13 water
30. ing near the floor for gas odor Damaged Sealant mes i tip INCORRECT i Stain Over bane too thick FIGURE 14 Gas Pipe Sizes Natural Gas Pipe Capacity Btu hr includes Fittings Pipe Size 20 92 000 350 000 40 63 000 245 000 om ss Tow L P Gas Pipe Capacity Btu hr includes Fittings Pipe Size 1 2 3 4 1 393 000 267 000 732 000 504 000 20 189 000 40 129 000 08 103 000 217 000 409 000 Operating Your Furnace The furnace operates in the following sequence 1 The thermostat turns on the main burner 2 Heat builds up in the furnace and starts the fan if equipped The heated air comes out the panel louvers 3 When the thermostat setting is reached it shuts off the main burner 4 The fan runs until the heat is removed from the furnace then it turns off Your furnace is equipped with a built in pressure regulator L P gas models also have a regulator at the supply tank If you have a question regarding the amount of fuel consumed call your local gas utility or gas supplier WARNING DO NOT TAMPER WITH THE REGULATOR OR BURNER ORIFICES AS PROBLEMS RESULTING FROM THERE MAY CAUSE PRODUCT FAILURE NOT COVERED BY WARRANTY Lighting the Pilot FOR YOUR SAFETY READ BEFORE LIGHTING This furnace is equipped with a manually operated piezo spark ignition device to ignite the pilot gas Follow the steps below and use the manual spark igniter to light the
31. l number Reattach the junction box cover 4 After the blower and junction box are installed rotate bushing H if needed to prevent the motor wire from binding against the blower casing 5 Plug in the factory supplied three prong grounding plug and cord or see field wiring instructions below Model 2303 1 Set the blower on top of the furnace with the rear flange of the blower cabinet behind the furnace cabinet This will place the back of the blower cabinet against the wall surface See Figure 2 page 20 2 Plug in the service cord Field Wiring Model 2302 1 Remove the junction box cover and disconnect the factory installed three prong grounding plug and cord 2 Install a 115V line in accordance with local codes connecting as shown in the wiring diagram Figure 1 page 20 3 Reattach the junction box cover Important Oil yearly with SAE 20 high temp oil Blower Operation Model 2302 The automatic fan switch turns on the blower after the furnace has been operating a few minutes and turns off the blower after the furnace shuts off The blower will not operate unless the fan switch pull chain is pulled to the ON position either HIGH or LOW To check the fan switch pull chain position tum the automatic fan switch dial to 70 then pull the chain on the fan switch to obtain the high low or off position Set the automatic fan switch dial to 110 and readjust it higher or lower as necessary to obtain blo
32. mable material on or near furnace 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 Failure to keep burner control compartment and other parts of furnace clean can cause dangerous conditions to develop which can cause injury and even death BEFORE INSTALLING To avoid electrical shock tum off electrical circuits that pass through the wall where you are going to install the furnace 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 furnace and while cutting or drilling holes in wood and or sheet metal CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing Always shut off electricity to furnace when working on it This will prevent any electrical shocks or burns DO NOT store or use gasoline or other flammable liquids or vapors near the furnace 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 replac
33. on Orifice Sizes The efficiency rating of these appliances is a product thermal efficiency rating determined under continuous operating conditions and determined independently of any installed system For elevations above 2 000 feet reduce ratings 4 for each 1 000 feet above sea level The correct orifice sizes for the different input ratings when using natural or L P gas are CAPACITY AND ORIFICE SIZING Main Burner Orifice HEATING CAPACITY RATING Btu hr INPUT RATING Btu hr MODEL GAS NUMBER TYPE 14038 Series Nat 14038 Series LP 22038 Series Nat 22038 Series LP Btu hr British Thermal Units per hour CONVERSION KITS Description Models Natural Gas to L P Gas for 14038 Series 8939 Natural Gas to L P Gas for 22038 Series 8940 L P Gas to Natural Gas for 14038 Series 8942 L P Gas to Natural Gas for 22038 Series 8943 Gas Piping The gas supply line must be of an adequate size to handle the Btu hr requirements and length of the run for the unit being installed Determine the minimum pipe size from Figure 14 basing the length of the run from the gas meter or source to the unit All piping must comply with local codes and ordinances or with the National Fuel Gas Code ANSI Z223 1 NFPA No 54 whichever applies In Canada CAN C G A B149 Refer to Figure 12 for the general layout of the unit It shows the basic fittings needed 1 Use new properly reamed pipe free from chips su
34. oor gasket should be replaced if its condition is in doubt Cleaning Burner Compartment Because cold air is attracted to the flame during furnace operation a build up of lint from carpeting bedding dust etc in the burner area will occur It is necessary to clean this area regularly Use a vacuum cleaner with a narrow attachment to reach small areas Be careful in and around the pilot A change in its adjustment could be made if moved during cleaning A properly adjusted burner with nearly all gasses will produce a flame which has a clear blue cone having a bluish red or bluish violet outer mantle Cleaning Blower If Equipped Turn off electric power supply at the disconnect switch fuse box or service panel before servicing For maximum motor life of the optional blower inspect the motor yearly and clean any lint or dust from fan blades fan motor and ventilating holes Oil yearly with two drops of SAE 20 high temperature oil Vent System Check the vent cap and tubes to be sure there are no blocked inlet air or flue openings The flow of combustion and ventilation air must not be obstructed Clean or replace before using the furnace On new installations the gas lines will be filled with air and may take several minutes to establish a pilot flame Furnace Area 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
35. osion resulting in damage bodily injury or death Refer to the Natural Fuel Gas Code NFPA 54 to be sure the furnace is burning fuel at the proper rate Check Pilot Burner The pilot flame should surround the generator tip 3 8 inch to 1 2 inch Pilot gas may need adjustment depending on the inlet 16 pressure Increase or decrease the pilot flame to obtain proper setting Pilot Flame BURNER SLOTTING IN BURNER BODY TEX BLUE E FLAME a 1 2 TO 5 8 PILOT INCH T GENERA TOR FIGURE 16 A A A A A A A Pf v NEARLY INVISIBLE M l PALE BLUE IA p LIGHT BLUE abolita CAST IRON SUNEN BODY Burner Flame Characteristics Start the furnace and let it operate at least 10 minutes Open the access door to view the burner flame Limit your movements near the furnace a few more minutes before making your final observation The flame may look yellow due to dust particles in the room air The flame should change to a nice blue color with firm inner and secondary cones An occasional flash of orange might be seen as dust particles burn in the flame This is normal No burner adjustment is provided or is necessary Figure 16 Normal Appearance Natural Gas 1 Inner cone blue color 1 2 to 3 4 inch above ports 2 Secondary inner cone light blue 1 to 2 inches above ports 3 Total flame from blue to nearly invisible approximately 6 inches above ports L P Gas
36. pplier 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 repaired or 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 or service conditions during a period of nine years following expiration of the one year warranty period will be exchanged for a like of functionally similar part 2 No liability is assumed by the Manufacturer for removal or installation labor costs nor for freight or delivery charges LIMITATIONS 1 THIS LIMITED WARRANTY IS THE ONLY WARRANTY MADE 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
37. remove and discard the packing tab protecting the switch GENERATOR THERMOSTAT contacts 2 Connect thermostat wires to the terminal screws on the front of thermostat base 3 Push any excess wire back through hole in the wall and plug the hole with insulation to prevent drafts from affecting thermostat operation 4 Being sure to level thermostat for the best appearance Fasten the thermostat base to the wall through the mounting holes with the screws provided GREEN KNOB 5 Replace the thermostat cover Note Refer to the installation instructions packed in the thermostat carton if you have any doubt about the above procedures WILLIAMS m SQUEEZE FIRMLY BOTH SIDES AND LIFT TO REMOVE COVER 10 Installation Cabinet Installation 14038 Series Set the cabinet over the furnace body dropping the rear top flange between the support legs and wall Open the cabinet door and attach the cabinet to the inner casing with two 2 sheet metal screws Figure 10 FIGURE 10 REAR CABINET TOP FLANGE FURNACE BODY SCREWS SUPPORT LEG CABINET CASING DOOR Gas Supply and Piping The gas control valve is shipped with a sealed cover over the gas inlet tapping Do not remove seal until you are 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 n
38. s Materials Pipe joint compound resistant to L P gases Caulking compound silicone rubber with a temperature rating of 500 F DO NOT use caulking advertised as paintable or for bathtub use as most contain fillers and will not withstand high temperatures 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 outdoors through tubes on the rear of the furnace The furnace cabinet is also constructed of heavy gauge steel and has a powder 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 and Canadian Gas Association AGA CGA listed gas valves and pilots Tin snips 8 and 12 inch adjustable wrenches Keyhole or sabre saw 2 10 inch or 12 inch pipe wrenches Gloves and safety glasses Pipe and fittings to make connections to the furnace Electrical wiring supplied as needed for optional blower Minimum wire size is 14 gauge copper ANSI NFPA 70 or current edition National Electrical Code In Canada CSA C22 1 Canadian Electrical Code American National Standard Z223 1 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
39. t run B Check bearings Add oil as outlined in blower instructions 26 Service Record o Date Maintenance Performed Components Required E Hints and Information Service Hints If your furnace fails to work correctly you may avoid the WHAT TO DO IF YOU SMELL GAS inconvenience and cost of a service call by checking the Open zl windows i troubleshooting section on page 25 Do not try to light any appliance For Your Safety Do not touch any electrical switch Always disconnect furnace circuit switch before opening Do not use any phone or cell phone in furnace for inspection or service your building Extinguish any open flame WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage personal injury or loss of life 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 WARNING Do not store or use gasoline or other flammable vapors and liquids in the vicinity of 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
40. thermostat wiring circuit for a ground May be grounded to the furnace gas supply nails or staples E Defective gas valve Replace the gas valve after the above is verified 2 Pilot burning no A Valve not turned to ON position after Turn the gas valve knob to the ON position gas to the main lighting the pilot burner B Thermostat not turned to a position oet the thermostat to a position calling for calling for heat heat C Plugged burner orifice Check clean or replace D Improperly wired or broken thermostat Check the connections at the valve terminals wires Jumper across the thermostat terminals on the Defective thermostat valve If the valve operates check the thermostat wires E Pilot generator may not be generating see 1A and 1C above sufficient milli volts to open valve F Defective valve Replace the gas valve after above is verified A Tubes not properly installed Check the vent tube and the air inlet tube Follow the installation instructions Be sure the joints are tight and both tubes are in place Use only the tubes furnished Do not extend the tubes beyond original length B Furnace may be overrated Check for high pressure at the valve See rating plate for specified min max supply pressure Check the burner orifice A Thermostat location Check the thermostat location It should not be in the path of warm air discharge from the furnace near a lamp or above a T V or stereo temper
41. tion FIGURE 2 DO NOT USE FLUE TUBES TO SUPPORT WEIGHT OF FURNACE 1 24 MIN 2 30 MIN 1 1 2 6 2 5 1 2 2 MODEL 22038 SERIES To avoid electrical shock turn off all electrical circuits that pass through the wall where you are going to install the furnace This furnace must be installed using only the vent tube air inlet tube and vent cap assembly supplied by the manufacturer Before the furnace is installed an opening must be cut through the wall for the vent cap Find the Studs Find the studs where the furnace is to be placed Use a stud locator or small finishing nails Drive a nail on the inside of the first stud Drive a second nail on the outside of this stud The inside edge of the next stud should be about 14 1 2 inches from the one found Drive a finishing nail on the inside edge of this stud then another nail on the outside edge Using a level draw vertical lines that will represent the two stud center lines Cut Vent Opening After locating the studs use the cardboard template Figure 4 Line up the center of the stud lines on the template with the center lines you have drawn on the wall Use the template to draw the 9 1 4 inch diameter circle on the wall Then mark the location of the gas supply line Using a window door or wall corner for reference measure to find where the vent will be on the outside wall Check to be sure of the proper clearances Figures 1 and 2 If necessar
42. to the air inlet tube and over the vent tube Important The top of the vent cap is embossed TOP Install it in the correct position to prevent water from entering the wall Level the vent cap and attach it to the outside wall with four 4 8 roundheaded long screws Figure 6 8 If the wall surface is not flat shiplapped siding etc or less than 5 inches thick use a Thin Wall Collar Kit 9307 or build up a flat surface with wood strips Do not tilt or bend the cap to fit uneven surfaces The vent cap flange must be tight against the wall to prevent rain or wind penetration Use standard caulking compound if required not provided For brick masonry or plaster walls it may be necessary to use lag screws or expanding anchor bolts which are not furnished with the furnace When the vent cap is to be installed on vinyl siding or a projection within 6 inches of any side that could block the air inlet the entire vent should be supported away from the wall at least the distance of the projection A 2 x 4 frame with outside dimensions that match the overall dimensions of the mounting plate is recommended The 2 x 4 frame protects vinyl siding from possible damage Seat and paint all joints The wall depth plus the additional 2 x 4 frame depth should not exceed a total depth of 13 inches FASTEM LEG I B TO WALL iA AIR INLET SHIELD F Fi TRIM FLUSH WITH C ea i EXTERIOR WALL met RS p inci a AE
43. wer operation within 4 to 5 minutes after the furnace burner is in operation Model 2303 You must select ON for continuous blower operation or AUTO for automatic blower operation If blower is set on AUTO when the furnace heats up the heat sensor switch is activated and the blower will turn off The blower will not operate if the fan switch is set in the OFF center position Blower Accessory 2302 and 2303 KIT No 2302 C NOTE ATTACH BLOWERS USING THESE 2 HOLES NEUT Salactor Switch Fan Switch Note If any of the original wire as a Factory wired t supplied with the appliance has to line voltage be replaced use only de KERISE ROUNDING SCREW FINISHED FLOOR 18 Ga 4 64 insulation 105 C N M MIE akis NG AWM wire or its equivalent 115V Screw termled RIGHT SIDE 60Hz less than 3 amps lias voltage Figure 1 KIT NO 2303 SWITCH LEGEND 1 7 AUTO 2 OFF 3 ON SENSOR SWITCH 115V 60Hz HEAT GND SENSOR SWITCH i BK Ww 2 FAN W SWITCH 9 Factory wired line voltage LEGEND Wire connector for factroy wiring line voltage 1 4 quick connect terminals for factory wiring connections BK BLACK W WHITE NOTES G GREEN 1 Motor is thermally protected 2 If any of the original wires as supplied with the appli ance must be replaced it must be replaced with 105 or its equivilant WARNING DISCONNECT APPLIANCE FROM SUPPLY CIRCUIT BEFORE SERVICING OR CLEANING
44. will be found on the name plate ZNWILLIAMS Williams Furnace Company 250 West Laurel Street Colton CA 92324 909 825 0993 FAX 909 824 8009 www wfc fc com Manufactured in the U S A Established 1916 ALL RIGHTS RESERVED P322101 July 2014 28
45. y relocate the furnace for proper clearances Drill a 1 4 inch hole in the wall at the vent opening center mark all the way through to the outside Cut the 9 1 4 inch diameter hole through the inside wall Using the 1 4 inch hole as center cut a matching hole in the outside wall It may be better to work from the outside when breaking through brick stone or tile Make sure the wall openings are aligned so vent tubes and vent will fit properly In new construction frame in 9 1 4 inch x 9 1 4 inch opening centered between the studs spaced 16 inches on centre and the center point located as noted in Figure 3 FIGURE 3 NOTE 98 1 4 x 9 1 4 OPENING MAY BE ROUND OR SQUARE CUT FRAME IN OPENING EXISTING CONSTRUCTION ON NEW EC CONSTRUCTION CUT 9 1 4 ROUND USE TEMPLATE 1 22 2 24 1 8 foe aa EM 5 1 14036 Series 2 22036 30036 Series Gas and Electrical Supply Openings Holes must be drilled for the gas line and electrical supply if you use an optional blower kit Drill a 1 1 2 inch hole in the wall for the gas line where indicated on the cardboard template Figure 4 You will have to determine whether the gas line will enter the home through the outside wall or the floor plate These instructions can only guide you to where the gas line will enter the furnace Installation The gas line can be run at this time or after the furnace is mounted See Gas Supply and Piping section No electr
Download Pdf Manuals
Related Search