Williams 1773511, 1773512 installation instructions Direct-Vent Wall Furnace

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Installation Instructions and Owner’s Manual

MODEL:

Natural Gas

1773512

MODEL:

Propane Gas

1773511

Installation Instructions and Owner’s Manual

Direct-Vent Wall Furnace

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 supplier.

WARNING: Installation and repair must be done by a qualified service person. The furnace should be inspected before use and at least annually by a professional service person.

WARNING: If not installed, operated and

maintained in accordance with the manufacturer’s instructions, this

product could expose you to substances in fuel or from fuel combustion which can cause death or serious illness and which are known to cause cancer, birth defects or other reproductive harm.

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.

-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 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.

Williams Furnace Co., 250 West Laurel Street, Colton, CA 92324 U.S.A.

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Contents Direct-Vent Wall Furnace Williams Furnace Co., 250 West Laurel Street, Colton, CA 92324 U.S.AInstructions to Installer Table of Contents General Information and Technical DataSafety Information for Users of LP Gas Safety Rules and General WarningsLP Gas Warning Odor That’s your signal to go into immediate actionSome Points to Remember Technical DataWall Installation InstallationAir inlet tube length = wall thickness + 3/32-inches 2.4 mm Outside Location for Vent TerminalFlue outlet tube length = wall thickness + 1-5/16-inches 7.9 mm A + 33.3 mm 13. Relocate the vent cap and attach it with the screws. Figure Gas Type Gas ConversionsNozzle Part Number Nozzle DiameterInstalling a New Main Gas Shutoff Valve High Altitude AdjustmentPressure Testing of the Gas Supply System Gas SupplyChecking the Gas Inlet Pressure First Firing the FurnaceChecking the Gas Manifold Pressure A B CElectrical Wiring Diagram Key Operating Instructions FOR YOUR SAFETY READ BEFORE OPERATINGOPERATING INSTRUCTIONS TO TURN OFF GAS TO APPLIANCEUSING THE FEATURES OF YOUR FURNACE HOW TO SHUT OFF THE APPLIANCEWHAT TO DO IF THE RED LAMP IS LIT Servicing Checking and Adjusting the Gas Manifold PressureChecking, Removing and Reassembling of the Vent Air Intake System Lubrication of Moving PartsAnnual Maintenance Requirements Overview Programmable TimerDay and Time Setting Setting and Adjustment Initial ConditionsProgramming the Timer Manual OperationCancelling of all Preset Programs Cancelling a Single ProgramUsing the Skip Function Skip Function Procedure During OperationTroubleshooting Step Troubleshooting Starting Sequence ElectricalStep Summer Mode StepTroubleshooting Step Starting Sequence Gas Gas Assembly Replacement PartsElectric Box S - Combustion Blower Motor M1 - Overheat Thermostat RP8 Flame Sensor RP7 Spark Igniter 2 piecesM2 - Fan Thermostat Fan Blades 4 pieces M - Fan Motor 2 Pieces Part NumberJLTT015 Part Number JLTT023 Part Number JMTR017