York GY8S Series User's Information, Maintenance And Service Manual

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York GY8S Series User's Information, Maintenance And Service Manual Manual pdf 1 page image

268893-UUM-A-0407USER’S INFORMATION,MAINTENANCE ANDSERVICE MANUALHIGH EFFICIENCYTUBULAR HEAT EXCHANGER SERIESMODELS: GY8S*UH/GM8S*UH/GR8S/LY8S*UH/LM8S*UH/LF8*UH(Single Stage Upflow / Horizontal / LowNOx)EFFICIENCYRATINGCERTIFIEDISO 9001Certified QualityManagement SystemThe manufacturer recommends that the user read all sec-tions of this manual and keep the manual for future refer-ence.SECTION I: USER’S INFORMATIONSAFETY1. The furnace area must be kept clear and free of combustible mate-rials, gasoline and other flammable vapors and liquids.2. Insulating materials may be combustible. The furnace must bekept free and clear of insulating materials. The furnace area mustbe examined when installed in an attic or other insulated space orwhen insulation is added to be sure that the insulation material hasbeen kept away from the furnace.3. The furnace needs air for combustion in order to operate properlyand safely. Do not block or obstruct air openings on the furnace,air openings to the area where the furnace is installed, or spacesaround the furnace.4. Follow the instructions exactly as shown on the OPERATINGINSTRUCTION LABEL or the Start-up and Shutdown Instructionson Page 3 of this manual when lighting the furnace or turning thefurnace off.5. Should the gas supply fail to shut off or if overheating occurs, shutoff the gas valve to the furnace before shutting off the electricalsupply.6. Do not use this furnace if any part has been under water. A flood-damaged furnace is extremely dangerous. Attempts to use the fur-nace can result in fire or explosion. A qualified service agencyshould be contacted to inspect the furnace and replace all gascontrols, control system parts, electrical parts that have been wetor the furnace if deemed necessary.FIRE OR EXPLOSION HAZARD - Failure to follow safetywarnings exactly could result in serious injury, death, or prop-erty damage.— Do not store or use gasoline or other flammablevapors and liquids in the vicinity of this or any otherappliance.— WHAT TO DO IF YOU SMELL GAS:• Do not try to light any appliance.• Do not touch any electrical switch; do not use any phone(including cell phone) in your building.• Leave the building immediately.• Immediately call your gas supplier from a neighbor’sphone. Follow the gas supplier’s instructions.• If you cannot reach your gas supplier, call the fire depart-ment.— Installation and service must be performed by a quali-fied installer, service agency or the gas supplier.CONTACT INFORMATION• Go to website at www.york.com click on “contact”, then click on “contact form” and follow the instructions.• Contact us by mail:York InternationalConsumer Relations5005 York DriveNorman, OK 73069TABLE OF CONTENTSCONTACT INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1USER’S INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1INSTRUCTIONS FOR EXAMINING THEFURNACE INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2HOW YOUR GAS FURNACE WORKS . . . . . . . . . . . . . . . . . . . . . . 3START-UP AND SHUTDOWN INSTRUCTIONS . . . . . . . . . . . . . . . 3Read the Instructions Below Before Trying to Start the Furnace . . 3Operating Instructions: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3To Turn Off the Appliance: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3FURNACE USER MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . 4Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Removing Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Blower Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Motor Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5SERVICE AND MAINTENANCE MANUAL . . . . . . . . . . . . . . . . . . . . 5SAFETY SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5FURNACE MAINTENANCE SECTION . . . . . . . . . . . . . . . . . . . . . . .5FURNACE CLEANING SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . .5Burner Removal/Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5Cleaning the Heat Exchanger . . . . . . . . . . . . . . . . . . . . . . . . . . . .5SEQUENCE OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6Continuous Blower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6Intermittent Blower - Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6Heating Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6Hot Surface Ignition System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7FURNACE CONTROL DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . .7DIAGNOSTIC FAULT CODE STORAGE AND RETRIEVAL . . . . . .8REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9REPLACEMENT PART CONTACT INFORMATION . . . . . . . . . . . . .10WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11