York YCS18 THRU 60 Technical Manual

Contents

5006080-YTG-B-121542 Johnson Controls Unitary ProductsMECHANICAL SPECIFICATIONSMANUFACTURE AND CERTIFICATIONS• Units shall be manufactured in an ISO 9001 certified facility.• Units shall be certified by CSA to UL 1995 / CSA 22.2 andperformance certified to ANSI/AHRI Standard 210/240.• Units shall be sound tested according to ANSI/AHRI Stan-dard 270.• Certified matched system ratings will be available for down-load from the AHRI online directory at www.ahridirectory.org• Unit packaging shall be marked, “Assembled in the USA”UNIT APPLICATION• Units shall be approved for cooling operation between 55ºFand 125°F without modification.• Units shall be approved for linesets up to 80 feet equivalentlength without modification.• Units shall be approved for installation within 6 inches of aflat vertical wall without modification, according to theinstructions in the technical literature.• Units shall be certified to the 5th Edition (2014) of the FloridaBuilding Code for a combined allowable lateral and upliftwind force of 200 psf and 100 psf, respectively, for bothground-mounted and rooftop-mounted applications up to 200feet above grade with approved mounting kit.• Units shall be designed to 76dBA or less to minimize soundpollution.UNIT ACCESS• Units shall have a removable fan guard that can be removedindependently of the top for interior access through the top ofthe unit without damaging the coil.• Units shall have two removable stamped steel coil guards forexterior coil access.• Units shall have a separate compartment for electrical con-trols that can be accessed without disturbing the unit airflow.• Units shall have a blockoff panel that can be removed to pro-vide interior unit access through the side of the unit.• Units shall have a removable blockoff panel and a swingaway removable electrical panel that provides sufficient inte-rior unit access for removing the compressor through theside of the unit.UNIT CONSTRUCTION• Units shall be shipped completely wired, piped and assem-bled. Wiring pigtails shall be provided for field control wiringconnections. Service valves shall be provided for field refrig-erant line connections.• Units shall be factory leak checked, run tested, and shippedwith a holding charge of R-410A refrigerant.• Unit cabinet components shall be G90 equivalent steel fin-ished with powder-coat paint rated at a minimum of 500hours under ASTM B117 testing.• Unit base pan shall be stamped G90 equivalent steel fin-ished with powder-coat paint rated at a minimum of 500hours under ASTM B117 testing.• Units shall have a single corner post opposite the electricalcontrol box and two independently removable steel coilguard panels to optimize cabinet strength and serviceability.• Units shall have L-shaped stamped sheet metal coil guardswith punched and extruded slots for maximum panel durabil-ity and stiffness.• Units shall have a factory installed filter-drier for faster instal-lation and improved system reliability.• Unit base valves shall be mounted diagonally on the unitbase pan with service ports that provide sufficient clearancefor low-loss hose fittings.• Units shall be constructed with a high pressure switch forsystem protection.• Units shall be constructed with all badging and labels appliedat the factory.UNIT COMPONENTS• Compressor shall be hermetic with internal electrical over-load protection and internal overpressure protection.• Compressor shall be mounted on rubber vibration isolatorsthat do not require the removal of transportation clips orbrackets.• Units shall be constructed with scroll compressors.• Condenser fan shall be direct drive with vertical air dischargefor low sound levels.• Condenser fan motor shall be totally enclosed with perma-nently lubricated ball bearings motors approved for verticalshaft applications.• Condenser coil shall be air cooled and constructed of zinc-coated aluminum microchannel construction for small sizeand low weight.UNIT WARRANTIES• Unit manufacturer shall provide a 10-Year compressor war-ranty without a requirement for unit registration.• Unit manufacturer shall provide a 5-Year parts warranty with-out a requirement for unit registration.