York LY8S Technical Manual

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York LY8S Technical Manual Manual pdf 1 page image

TECHNICAL GUIDEMODELS: GY8S/LY8SGAS-FIREDHIGH EFFICIENCY SINGLE STAGEUPFLOW/HORIZONTAL FURNACESSTANDARD & Low NOxNATURAL GAS40 - 130 MBH INPUTDue to continuous product improvement, specifica-tions are subject to change without notice.Visit us on the web at www.york.com for the mostup-to-date technical information.Additional information can be found atwww.gamanet.org.EFFICIENCYRATINGCERTIFIEDISO 9001Certified QualityManagement System036-21618-003 Rev. A (1205)FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALEDESCRIPTIONThese high efficiency, compact units employ induced com-bustion, reliable hot surface ignition and high heat transferaluminized tubular heat exchangers. The units are factoryshipped for installation in upflow or horizontal applications.These furnaces are designed for residential installation in abasement, closet, alcove, attic, recreation room or garageand are also ideal for commercial applications. All units arefactory assembled, wired and tested to assure safe depend-able and economical installation and operation.These units are Category I listed and may be common ventedwith another gas appliance as allowed by the National FuelGas Code.WARRANTY20-year limited warranty on the heat exchanger.10-year heat exchanger warranty on commercial applica-tions.5-year limited parts warranty.FEATURES• Easily applied in upflow, horizontal left or horizontal rightinstallation with no conversion necessary.• 100% shut off main gas valve for added safety.• Rollout safety control.• Low unit amp requirement for easy application.• High quality inducer motor for quiet operation.• Built-in self diagnostics with fault code display.• Electronic Hot Surface Ignition saves fuel cost withincreased dependability and reliability.• Standard terminals for controlling humidifiers and EAC's.• 40 VA control transformer fuse protected.• Easy to connect power and control wiring.• Efficiency ratings of 80 AFUE attained by using tubularheat exchangers.• Cooling relay supplied for easy installation of add-oncooling.• Multi-speed PSC, large, quiet direct-drive blower motorto match cooling requirements.• Adjustable fan-off settings to eliminate “cold-blow”.• Compact 40-in height allows installation in small spaceconfines.• Low NOx models have been designed to meet specificcode requirements. Low NOx units may not be convertedto propane.