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Household Appliance
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Furnace
York
GF8, G8C
service manual
035-19992-001 Rev. a
Models:
G8C
GF8
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Troubleshooting
Section IV Wiring Diagram
Maintenance
Furnace Cleaning Section
Page 14
Image 14
035-19992-001
Rev. A (0404)
NOTES
14
Unitary Products Group
Page 13
Page 15
Page 14
Image 14
Page 13
Page 15
Contents
Section I USER’S Information
Table of Contents
Safety
Contact Information
Description 50-125 MBH Input Models
Description 150 MBH Input Models
Instructions for Examining the Furnace Installation
Burner Flame Drawing
START-UP and Shutdown Instructions
Furnace User Maintenance
HOW Your GAS Furnace Works
Operating Instructions
Externally Mounted Air Filters
Air Filters
Removing Filters
Furnace Maintenance Section
Section II Service and Maintenance Manual
Safety Section
Furnace Cleaning Section
Continuous Blower
Cleaning the Heat Exchanger
Sequence of Operation
Intermittent Blower Cooling
Hot Surface Ignition System
Troubleshooting
Furnace Control Diagnostics
Ignition Control
Section III Replacement Parts List
Description
Replacement Part Contact Information
Field Installed Accessories NON-ELECTRICAL
Section IV Wiring Diagram
Wiring Diagram Unitary Products Group
035-19992-001 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
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