York GY9 Technical Manual

Also see for GY9: User's information, maintenance and service manual Service manual

York GY9 Technical Manual Manual pdf 1 page image

FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALETECHNICAL GUIDEMODELS: GY9GAS-FIREDCONDENSING / HIGH EFFICIENCYDOWNFLOW/HORIZONTAL FURNACES91% AFUENATURAL GAS60 - 120 MBH INPUTEFFICIENCYRATINGCERTIFIEDThis product was manufacturedin a plant whose quality systemis certified/registered as beingin conformity with ISO 9001.Heating Air ConditioningR036-21560-001 Rev. A (0204)DESCRIPTIONThese Category IV, highly efficient, compact, condensingtype furnaces are designed for residential and commercialinstallations in a basement, closet, alcove, recreation room orgarage where the ambient temperature is above 32°F, orhigher. They may be either side wall or thru-roof vented usingapproved plastic type combustion air and vent piping. Allunits are factory assembled, wired and tested to assuredependable and economical installation and operation.WARRANTYLifetime limited warranty on the heat exchanger.10-year warranty on the heat exchanger in commercialapplications.5-year limited parts warranty.FEATURES• Compact, easy to install, ideal height 40" cabinet• Blower-off delay for cooling SEER improvement.• Easy to connect power/control wiring.• Built-in, high level self diagnostics with fault code display.• Low unit amp requirement for easy replacement applica-tion.• Integrated control module for reliable, economical opera-tion.• May be installed as either two-pipe (sealed combustion)or single pipe vent (using indoor combustion air)• Top intake & vent connection allows downflow installa-tion in narrow locations.• Electronic Hot Surface Ignition saves fuel cost withincreased dependability and reliability.• Induced combustion system with inshot main burners forquiet, efficient operation.• No special vent termination kit required.• 100% shut off main gas valve for extra safety.• PSC -four speed, direct drive motor with large, quietblower.• 24V, 40 VA control transformer and blower relay suppliedfor add-on cooling.• Hi-tech tubular aluminized steel primary heat exchanger.• Secondary (condensing) heat exchanger of 29-4C high-grade stainless steel.• Timed on, adjustable off blower capability for maximumcomfort.• Easy toolist access from front of unit for cleaning, main-tenance or service.• Protection from intake, exhaust or condensate blockage.• High velocity filter provided for field installation.