Page 1 of 16507388-01 Issue 1732Save these instructions for future reference(P) 507388-01*P507388-01*Manufactured ByAllied Air Enterprises LLCA Lennox International, Inc. Company215 Metropolitan DriveWest Columbia, SC 29170This manual must be left with the homeowner for future reference.This is a safety alert symbol and should never be ignored. When you see this symbol on labels or inmanuals, be alert to the potential for personal injury or death.Improper installation, adjustment, alteration, serviceor maintenance can cause property damage, personalinjury or loss of life. Installation and service must beperformed by a licensed professional installer (orequivalent), service agency or the gas supplier.WARNINGFor your safety, do not store or use gasoline or otherflammable vapors and liquids in the vicinity of this or anyother appliance. Such actions could result in propertydamage, personal injury, or death.WARNINGDo not store combustible materials near the furnace orwarm air ducts. The material may ignite by spontaneouscombustion creating a fire hazard.WARNINGThese units are not approved for mobile homeapplications. Such use could result in property damage,personal injury, or death.WARNINGIf these instructions are not followed exactly, a fireor explosion may result causing property damage,personal injury, or loss of life.CAUTIONInstallation shall be made in accordance with therequirements of the local utility and other authoritieshaving jurisdiction, or with the National Fuel GasCode, ANSI Z223.1 (latest edition) and the NationalElectrical Code. Any alteration of internal wiring will voidcertification and warranties.CAUTIONTable of ContentsInstallation ...................................................................2Electrical Connections .................................................6Start-Up .....................................................................10Operation ...................................................................10Maintenance ..............................................................11Wiring Diagrams ........................................................15INSTALLATION INSTRUCTIONSHWC8 V-Series TM Models