York G8C, GF8 service manual 035-19992-001Rev. A, Unitary Products Group

Models: G8C GF8

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035-19992-001 Rev. A (0404)

Unitary Products Group

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Contents

SAFETY TABLE OF CONTENTSSECTION I USER’S INFORMATION CONTACT INFORMATIONDESCRIPTION 150 MBH INPUT MODELS DESCRIPTION 50-125MBH INPUT MODELS035-19992-001Rev. A FIRE OR EXPLOSION HAZARD035-19992-001Rev. A Unitary Products GroupHOW YOUR GAS FURNACE WORKS FURNACE USER MAINTENANCESTART-UPAND SHUTDOWN INSTRUCTIONS Operating InstructionsRemoving Filters Air FiltersExternally Mounted Air Filters 035-19992-001Rev. ASAFETY SECTION SECTION II SERVICE AND MAINTENANCE MANUALFURNACE MAINTENANCE SECTION FURNACE CLEANING SECTIONLower Heat Exchanger Access Cleaning the Heat ExchangerUpper Heat Exchanger Access SEQUENCE OF OPERATIONFURNACE CONTROL DIAGNOSTICS TROUBLESHOOTINGHot Surface Ignition System 035-19992-001Rev. AUnitary Products Group 035-19992-001Rev. ADESCRIPTION SECTION III REPLACEMENT PARTS LIST035-19992-001Rev. A DESCRIPTIONField Installed Accessories-Non-Electrical FIELD INSTALLED ACCESSORIES - NON-ELECTRICALPart Number DescriptionFIGURE 15 Wiring Diagram SECTION IV WIRING DIAGRAM035-19992-001Rev. A Unitary Products GroupUnitary Products Group 035-19992-001Rev. A035-19992-001Rev. A Unitary Products Group 035-19992-001Rev. AUnitary EXCLUSIONS5005 Norman