Williams 1773512, 1773511 Troubleshooting Starting Sequence Electrical, Troubleshooting Step

Contents Williams Furnace Co., 250 West Laurel Street, Colton, CA 92324 U.S.A Direct-Vent Wall FurnaceTable of Contents General Information and Technical Data Instructions to InstallerSafety Rules and General Warnings Safety Information for Users of LP GasLP Gas Warning Odor That’s your signal to go into immediate actionTechnical Data Some Points to RememberInstallation Wall InstallationFlue outlet tube length = wall thickness + 1-5/16-inches 7.9 mm Outside Location for Vent TerminalAir inlet tube length = wall thickness + 3/32-inches 2.4 mm A + 33.3 mm 13. Relocate the vent cap and attach it with the screws. Figure Gas Conversions Gas TypeNozzle Part Number Nozzle DiameterHigh Altitude Adjustment Installing a New Main Gas Shutoff ValvePressure Testing of the Gas Supply System Gas SupplyFirst Firing the Furnace Checking the Gas Inlet PressureChecking the Gas Manifold Pressure A B CElectrical Wiring Diagram Key FOR YOUR SAFETY READ BEFORE OPERATING Operating InstructionsOPERATING INSTRUCTIONS TO TURN OFF GAS TO APPLIANCEWHAT TO DO IF THE RED LAMP IS LIT HOW TO SHUT OFF THE APPLIANCEUSING THE FEATURES OF YOUR FURNACE Checking and Adjusting the Gas Manifold Pressure ServicingChecking, Removing and Reassembling of the Vent Air Intake System Lubrication of Moving PartsAnnual Maintenance Requirements Programmable Timer OverviewSetting and Adjustment Initial Conditions Day and Time SettingProgramming the Timer Manual OperationCancelling a Single Program Cancelling of all Preset ProgramsUsing the Skip Function Skip Function Procedure During OperationTroubleshooting Starting Sequence Electrical Troubleshooting StepStep Summer Mode StepTroubleshooting Step Starting Sequence Gas Electric Box Replacement PartsGas Assembly RP8 Flame Sensor RP7 Spark Igniter 2 pieces S - Combustion Blower Motor M1 - Overheat ThermostatM2 - Fan Thermostat Fan Blades 4 pieces M - Fan Motor 2 Pieces Part NumberJLTT015 Part Number JLTT023 Part Number JMTR017