York GF8, G8C service manual 035-19992-001 Rev. a

Page 14

035-19992-001 Rev. A (0404)

NOTES

14	Unitary Products Group

Image 14

Contents Section I USER’S Information Table of ContentsSafety Contact InformationDescription 50-125 MBH Input Models Description 150 MBH Input ModelsInstructions for Examining the Furnace Installation Burner Flame DrawingSTART-UP and Shutdown Instructions Furnace User MaintenanceHOW Your GAS Furnace Works Operating InstructionsExternally Mounted Air Filters Air FiltersRemoving Filters Furnace Maintenance Section Section II Service and Maintenance ManualSafety Section Furnace Cleaning SectionContinuous Blower Cleaning the Heat ExchangerSequence of Operation Intermittent Blower CoolingHot Surface Ignition System TroubleshootingFurnace Control Diagnostics Ignition Control Section III Replacement Parts List DescriptionReplacement Part Contact Information Field Installed Accessories NON-ELECTRICALSection IV Wiring Diagram Wiring Diagram Unitary Products Group035-19992-001 Rev. a Unitary Products Group 035-19992-001 Rev. a 035-19992-001 Rev. a Unitary Products Group Exclusions Unitary 5005 Norman Products York Group Drive 73069