Williams 2503532 Owner'S Operation And Installation Manual Download | Manualshive

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Summary of Contents for 2503532

Page 1: ...ight any appliance Do not touch any electrical switch do not use any phone in your building Extinguish any open flame Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions 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 Improper i...

Page 2: ...as Connections 18 Connecting to Electrical Supply 19 Attaching Cabinet Front Cover 19 Operating Furnace 20 For Your Safety Read Before Lighting 20 Operating Instructions 21 To Tun_ OffGas to Furnace 22 Thermostat Control Operation 22 Inspecting Burner Flame 22 Normal Operating Sequence 23 Cleaning and Maintenance 24 Troubleshooting 25 Wiring Diagrams 28 Service Hints 28 Technical Service 28 Orderi...

Page 3: ...afe and proper operation of this furnace 1 A qualified service person must install furnace 2 Use only natural gas Do not convert furnace to use different fuel type 3 If you smell gas Shut off gas supply Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instr...

Page 4: ...eate a safety hazard 15 TtLrnOfffurnace and unplug and let cool before servicing Unless you need gas supply for testing shut off manual shutoff valve before servicing Only a qualified service person should service and repair furnace and venting system 16 Replace any safety screen or guard removed for servicing before running furnace 17 DO not use furnaceif anyparthas been underwater Immediately ca...

Page 5: ...ff valve If any of these items are missing promptly inform dealer where you bought furnace 4 Check furnace for any shipping damage If furnace is damaged promptly inform dealer where you bought furnace Hot Surface Ignitor This furnace has an electronic ignitor There is no standing pilot No matches or batteries are required Thermostatic Heat Control The thermostat is temperature sensitive It automat...

Page 6: ...re instalfing furnace make sure you have all items below electric drill drill bits Phillips screwdriver hammer pipe wrench stud locator or small finishing nails manual shutoff valve supplied test gauge connection see Figure 15 page 17 piping check local codes sealant resistant to propane gas ground joint union sediment trap tee joint LOCATING FURNACE This furnace is designed to be mounted in a wal...

Page 7: ...th furnace installation If you are installing thermostat in wall make sure there are no pipes or wiring in the hollow wall above the furnace The thermostat wires will pass through this wall from the attic Minimum Clearances Provide the following minimum clearances from furnace front cover to combus tibles as viewed from the front of furnace see Figure l Above Front Cover 12 inches Front 8 feet Bel...

Page 8: ... anchor cabinet to Cut across wall and through the next stud Stop cut at proper width IMPOR TANT You must install furnace horizontally Do not install furnace vertically 4 25 000 Btu Hr Model Mark screw locations on wall see Figure 2 Make sure screws will anchor into studs Make sure screw locations match screw holes on cabinet flange 40 000 Btu Hr Model Mark screw locations on wall see Figure 2 Mak...

Page 9: ... also use mortar to seal opening INSTALLING THERMOSTAT WARNING Unplug furnace before installing thermostat Mount the thermostat directly on the furnace or on a wall in another part of the room If you have solid or masonry walls mount the thermostat on the furnace Mounting Thermostat to Furnace 1 Unplug furnace 2 Locate red and white thermostat wires coming out of side of furnace These wires are la...

Page 10: ... plate between wall and cabinet flange Line up top notch on mounting plate with top screw on flange see Figure 5 IMPORTANT Thermostat for 25 000 Btu Hr model mounts on right side of furnace see Figure 5 Thermostat for 40 000 Btu Hr model mounts on left side of furnace see Figure 5 40 000 Btu Hr Models 25 000 Btu Hr Models Figure 5 Inserting Thermostat Mounting Plate Between Wall and Cabinet Flange...

Page 11: ...asement or crawl space 1 Unplug furnace 2 Before drilling hole in wall drive a small finishing nail through ceiling directly above thermostat location Pull nail out and push a small stiff wire through hole This helps you locate thermostat mounting location when in attic 3 In attic locate stiff wire Drill liT hole in center of ceiling wall plate next to stiff wire Remove wire 4 Probe through drille...

Page 12: ...i nal 2 Push any excess wire back through hole in wall and plug hole with insulation to prevent drafts Drafts affect the thermostat operation 3 Use thermostat base to mark mounting screw locations 4 Drill proper sized holes for wall anchors 5 Attach thermostat to wall using screws provided see Figure 7 White Wire Figure 6 Connecting Thermostat Wires to Thermostat Figure 7 Mounting Thermostat to Wa...

Page 13: ...l occur Refer to chart on page 16 CAUTION Lightly apply pipe joint sealant to male threads before connecting Use pipe joint sealant that is resistant to liquid petroleum LP gas All piping must comply with local codes and ordinances or with the National Fuel Gas Code ANSI Z223 1 NFPA No 54 whichever applies Yon can connect furnace to gas supply at front of furnace inside or at rear of furnace outsi...

Page 14: ...e parts list page 31 for location Removing two screws will detach bottom shield Furnace Cabinet Flange Flange a Figure 11 Removing Screws on Lower Flange 40 000 Btu Hr Model Shown 3 Slide furnace out of furnace cabinet 4 Locate gas inlet pipe on lower right front of furnace 5 40 000 Stu Hr Model Only Remove screw holding gas inlet pipe clamp to furnace 6 Disconnect gas inlet pipe from 3 8 manifold...

Page 15: ...nace flange and furnace cabinet lower flange together 40 000 BttdHr Model Place bottom shield back in place Replace two screws removed in step 2 Attach bottom shield furnace flange and furnace cabinet lower flange together 11 Run 3 8 pipe or nipple through knockout hole Connect 3 8 pipe or nipple to manifold elbow see Figure 14 See Providing Gas Piping to Furnace pages 16 and 17 for correct gas pi...

Page 16: ...10 20 30 40 50i 60 70 80 gO 100 125 150 175 200 3 8 72 49 40 34 30 27 25 23 221 21 18 17 15 14 I 2 132 92 73 63 56 50 46 43 401 38 34 31 28 26 3 4 278 190 152 130 115 105 96 90 84 79 72 64 59 55 1 520 350 285 245 215 195 180 170 160 150 130 120 110 100 1 V4 1050 730 590 500 440 400 370 350 320i 305 275 250 225 210 1 _h 1600 1100 890 760 670 610 560 530 490 460 410 380 350 320 2 3050 2100 1650 1450...

Page 17: ... sediment trap traps moisture and contami nants This keeps them from going into furnace controls If sediment trap is not installed or is installed wrong furnace may not run properly IMPORTANT Locate sediment trap where trapped matter will not freeze Install sediment trap in a vertical run of pipe If gas piping enters furnace from rear outside you must locate sediment trap in crawl space see Figure...

Page 18: ...rming show a leak 5 Correct all leaks at once Test Pressures Equal To or Less Than 1 2 PSIG 1 Close manual shutoff valve see Figure 16 2 Pressurize supply piping system by either using compressed air or opening main gas valve located on or near gas meter 3 Check all joints from gas meter to manual shutoff valve Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak 4 Corr...

Page 19: ...furnace 2 Turn off electricity to outlet 3 Reverse 120 volt connections inside outlet 4 Turn on electricity to outlet 5 Plug in furnace Ignitor should turn off after main burner ignites If ignitor does not turn off or if valve continues to chatter turn off furnace and unplug Call a qualified service person A n ACHING CABINET FRONT COVER ACAUTION Do not operate furnace with front cover removed or m...

Page 20: ...is appliance does not have a pilot It is equipped with an ignition device which automatically lights the burner Do not try to light the burner by hand B BEFORE OPERATING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electr...

Page 21: ...burner Do not try to light the burner by hand 8 Plug in furnace 9 Set thermostat to desired setting If thermostat is set above room temperature the blower will come on 10 Allow approximately 45 seconds for ignition to occur When ignition occurs the glo bar will stay on for a short period of time The flame sensing probe will sense the burner flame and shut off glo bar If ignition does not occur wit...

Page 22: ...tat turns the furnace burner and blower on When the room temperature goes above the thermostat setting the thermostat turns the furnace burner off The blower will continue to blow about two to three minutes after the burner goes out The thermostat keeps the room at a constant temperature To observe burner flame remove furnace front cover Remove the two screws at the lower edges of front cover Lift...

Page 23: ...s the presence of flame This opens the circuit to the glo bar The glo bar shuts down 6 The circulating room air blower pulls return air in from the living area This air is heated as it flows past the combustion chamber The heated air is then blown out into the room 7 When the room temperature rises above the thermostat setting the circuit to the valve opens and the burner shuts off 8 The blower co...

Page 24: ...AUST AND INTAKE VENTS Make sure the exhaust and intake vents are not blocked The intake combustion air and the exhaust gases must be expelled to the outside Have a qualified service person clean dirt and loose debris from vents annually GASKETS Inspect all gaskets_ If any gaskets show signs of leakage or damage replace them Safe operation of furnace depends on all gaskets being tight FRONT COVER R...

Page 25: ...restriction of return air to the furnace B Faulty microswitch Replace switch ifcircuit to ignition control is not completed when switch is manually engaged Switch should also be replaced if blower motor running at top speed fails to engage switch within six or seven seconds Note To service switch combustion chamber must be pulled out Follow steps 1 2 3 9 and 10on pages 14 and 15 to remove combusti...

Page 26: ... wires at the ignition control are the 120 volt input for the glo bar circuit When the 24 volt circuit is completed the ignition control will complete the 120 volt circuit to the glo bar and it begins to glow Check this circuit across the two white wires at the ignition control 3 After approximately 20 seconds a 24 volt circuit is completed through the igmtion control to the gas valve This circuit...

Page 27: ...ns at the wall receptacle A If polarity is okay yet burner continues to go off check thermostat to be sure it is still completing the valve circuit If not check for excessive amp draw in valve circuit B If thermostat okay check for 24 volt A C circuit completion across yellow and orange wires at ignition control If no voltage check for circuit comple tion through limit switch and microswitch C Vol...

Page 28: ...ndset or ribbed wire incord set TGS 150_ C blad_ Probe Figure 21 Wiring Diagram 40 000 Btu Hr Model When gas pressure is too low glo bar glows but burner will not ignite When gas quality is bad burner will not stay lit burner will produce flames and soot You may feel your gas pressure is too low or gas quality is bad If so contact your local gas supplier You may have further questions about instal...

Page 29: ...in your furnace When ordering parts follow the instructions above KEY PART NO NUMBER 1 030643 2 121520 3 191240 4 160912 5 100892 6 070509 7 121224 8 062242 A 070542 A 070508 A 191244 191246 A 531010 A 191293 DESCRIPTION QTY Front Cover Assembly 1 Screw 8 x 3 8 2 Front Cover Trim 1 Thermostat 1 Cabinet Assembly 1 Cabinet Insulation right and left sides 1 Screw 10 x 3 4 4 Thermostat Mounting Plate ...

Page 30: ...60912 9 121224 10 O62242 070541 A 070510 191245 191247 A 531010 191293 Bottom Shield 1 Screw 8 x 3 8 2 Front Cover Tdm 1 Front Cover Assembly 1 Cabinet Assembly 1 Cabinet Insulation right and left sides 1 Screw 8 x 3 8 2 Thermostat includes 2 screws 1 Screw 10 x 3 4 4 Thermostat Mounting Plate 1 Cabinet Insulation back 1 Cabinet Insulation top 1 Operating Instructions Decal English 1 Operating Ins...

Page 31: ... Control Mounting Bracket Screw 6 x 1 2 Time Delay Relay Bushing Screw 8 x 3 8 Limit Switch Terminal Block Screw 10 x 3 4 Exhaust Tube Gasket Transformer Assembly Screw 10 x 3 8 QTY 4 1 2 1 1 4 1 1 2 1 1 6 KEY PART NO NUMBER 14 020983 15 070606 16 070398 17 290120 18 310026 19 030893 20 230844 21 231950 22 121502 23 090211 24 121388 25 063018 26 231844 27 070909 DESCRIPTION Combustion Chamber Heat...

Page 32: ... 10 x 1 2 Glass Disc Cover Plate Burner Access Door Gasket GIo Bar GIo Bar Gasket Bushing with Terminals Heat Shield Gasket Combustion Chamber Heat Shield Assembly Wire Clamp Screw 10 x 3 8 Limit Switch KEY PART QTY NO NUMBERI 2 18 062563 1 1 19 231954 6 1 20 121357 4 21 121224 1 22 070537 1 23 121372 1 24 231144 1 25 230625 1 26 231164 1 27 062837 1 28 062694 1 29 230555 2 30 090211 12 31 121577 ...

Page 33: ...n page 29 of this manual 4 7 9 8 10 12 KEY NO 1 2 3 4 5 6 7 8 9 10 11 12 PART NUMBER 120717 121459 010701 180220 121388 070408 171174 170545 16O968 170012 171170 170082 DESCRIPTION Hex Nut 10 24 Screw 10 24 x 112 Burner Assembly Main Burner Orifice Screw 10 x 1 2 Manifold Gasket Manifold Assembly Reducer Fitting 3 8 NPT to 1 8 NPT Valve 90 Street Elbow Gas Inlet Pipe 90 Elbow QTY 2 2 1 1 4 1 1 1 1...

Page 34: ...29 of this manual 13 KEY NO 1 2 3 4 5 6 7 8 9 10 11 12 13 PART NUMBER 120717 010621 010623 070591 171167 180189 121388 160968 170012 171170 121388 062180 170082 DESCRIPTION Hex Nut 10 24 Left Burner Assembly Right Burner Assembly Manifold Gasket Manifold Assembly Main Bumer Orifice Screw 10 x 1 2 Valve 90 Street Elbow Gas Inlet Pipe Screw 10 x 1 2 Gas Inlet Pipe Clamp 90 Elbow QTY 4 1 1 1 1 2 6 1 ...

Page 35: ...crew 2 56 x 5 8 2 Microswitch Assembly 1 Intake Tube Gasket 1 Tinnerman Nut 2 Blower Housing room air 1 Hex Lock Nut 10 24 3 Crossover Tube 1 Screw 10 x 1 2 4 Crossover Tube Gasket 2 Screw 10 24 x 1 2 2 Universal Bushing 1 Motor Bushing 2 Combustion Air and Motor Cover Assy Housing 1 KEY PART NO NUMBER 16 070386 17 231389 18 062307 19 120717 20 121712 21 350117 22 390424 23 120615 24 231036 25 062...

Page 36: ... Air Wheel CW Rotation 1 18 120158 Room Air Blower Housing 19 061663 left side 1 20 231036 Hex Nut 10 24 keps 5 21 062691 Tinnerman Nut 2 22 231231 Microswitch Assembly 1 23 070563 Screw 2 56 x 5 8 2 24 231136 Intake Tube Gasket 1 25 062307 Screw 8 x 1 2 1 26 070165 Combustion Air Cover Assy 1 27 350085 Screw 10 x 1 2 3 28 390201 Combustion Air Crossover Gasket 1 29 350087 Combustion Air and Motor...

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Page 40: ...he unit This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack of proper maintenance or defects caused by improper installation Travel diagnostic cost labor transportation and any and all such other costs related to repairing a defective furnace will be the responsibility of ...

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