York G8C - Manuals - manualsarea.com

Page 2 - Unitary Products Group; FIRE OR EXPLOSION HAZARD

035-19992-001 Rev. A (0404) 2 Unitary Products Group 7. NEVER … Store flammable materials of any kind near your fur- nace. Gasoline, solvents, and other volatile liquids should bestored only in approved containers outside your home. Thesematerials vaporize easily and are extremely dangerous. 8. NEVE...

Page 3 - Examine the furnace casing for obvious signs of deterioration.; Furnace Examination Checkpoints - Downflow

035-19992-001 Rev. A (0404) Unitary Products Group 3 INSTRUCTIONS FOR EXAMINING THE FURNACE INSTALLATION It is the owner’s responsibility to ensure that an annual inspection of theentire heating portion of the unit is made by a qualified service agency.Examine the furnace as outlined below in steps ...

Page 4 - Operating Instructions:; FURNACE USER MAINTENANCE

035-19992-001 Rev. A (0404) 4 Unitary Products Group HOW YOUR GAS FURNACE WORKS Your furnace is a very easy appliance to take for granted. Season afterseason, it sits there in your home, keeping you warm and comfortable.For this reason, you may never have given much thought to the wayyour furnace op...

Page 5 - Air Filters; Externally Mounted Air Filters

035-19992-001 Rev. A (0404) Unitary Products Group 5 If, during the inspection of your furnace, you find any of the followingconditions: • Excessive amounts of dust and lint on components. • Damaged or deteriorated components or surfaces. • Leaks or blockage in the vent pipe passages. • Water on any...

Page 6 - Blower Care; SECTION II: SERVICE AND MAINTENANCE; SAFETY SECTION; Burner Removal/Cleaning; ELECTRIC SHOCK, FIRE OR EXPLOSION HAZARD

035-19992-001 Rev. A (0404) 6 Unitary Products Group To remove the filter you must do the following: 1. Before proceeding, be sure the area is well ventilated. Followinstruction “To turn off the appliance”. Check all metal parts andsurfaces to be sure they have cooled to room temperature beforeyou b...

Page 7 - Cleaning the Heat Exchanger; Lower Heat Exchanger Access; SEQUENCE OF OPERATION; Continuous Blower

035-19992-001 Rev. A (0404) Unitary Products Group 7 4. Disconnect wires from flame sensor, rollout switch and HSI ignitor.Remove ignitor carefully, as it is easily broken. 5. Remove the screws that hold the burner box assembly to the vestpanel and remove the assembly. 6. Remove burners from the bur...

Page 8 - Hot Surface Ignition System; TROUBLESHOOTING; CONTINUOUS FLASH; Never adjust pressure switch to allow furnace operation.

035-19992-001 Rev. A (0404) 8 Unitary Products Group If the flame is not detected within 2 seconds of the gas valve opening,the gas valve is shut off and a retry operation begins. If the flame is lostfor 2 seconds during the 10-second stabilization period, the gas valve isshut off and a retry operat...

Page 9 - FLASH

035-19992-001 Rev. A (0404) Unitary Products Group 9 6 FLASH : This indicates that after the unit was operating, the pressure switch opened 4 times during the call for heat. If the main blower is in a"Delay on" mode it will complete it, and any subsequent delay offperiod. The induced draft m...

Page 10 - SECTION III: REPLACEMENT PARTS LIST; Heat Exchanger Assembly; ITEM

035-19992-001 Rev. A (0404) 10 Unitary Products Group SECTION III: REPLACEMENT PARTS LIST 26 26 6 21 21 13 13 15 15 15 19 20 17 18 21 8 4 4 1 2 7 11 11 26 12 7 29 5 10 9 24 31 27 OF F OFF ON ON 28 22 23 32 33 ITEM DESCRIPTION 1 Casing, Top Cap 2 Heat Exchanger Assembly 3* Gasket, Vent Blower 4 Blowe...

Page 11 - Field Installed Accessories-Non-Electrical; REPLACEMENT PART CONTACT INFORMATION; York International

035-19992-001 Rev. A (0404) Unitary Products Group 11 FIELD INSTALLED ACCESSORIES - NON-ELECTRICAL Field Installed Accessories-Non-Electrical Part Number Description Used With 1FB0318 Combustible Floor Sub-Base 50, 7512 1FB0319 7516,10016 1FB0320 10020,125 1BR0312 Bottom Filter Rack 50,7512 1BR0316 ...

Page 12 - SECTION IV: WIRING DIAGRAM; Wiring Diagram

035-19992-001 Rev. A (0404) 12 Unitary Products Group SECTION IV: WIRING DIAGRAM FIGURE 15: Wiring Diagram

Page 13 - NOTES

035-19992-001 Rev. A (0404) Unitary Products Group 13 NOTES

Page 16 - Copyright; Limited Warranty; Cleaning or replacement of filters.

Subject to change without notice. Printed in U.S.A. 035-19992-001 Rev. A (0404) Copyright © by York International Corp. 2004. All rights reserved. Supersedes: 035-15243-005 Rev. B (0902) Unitary 5005 Norman Products York OK Group Drive 73069 Limited Warranty UPG warrants this product to be free from...