York DF 072 Technical Manual
                        | |
Contents
| 
254599-YTG-C-0807Unitary Products Group 21FIGURE 11 - ROOF CURB DIMENSIONSGUIDE SPECIFICATIONSGENERALUnits shall be manufactured by York International UnitaryProducts Group in an ISO 9001 certified facility.York's Sunline PlusTM units are convertible single packageunits. Although the units are primarily designed for curb mount-ing on a roof, they can also be slab-mounted at ground level orset on steel beams above a finished roof. Cooling only, coolingwith gas heat and cooling with electric heat models are availablewith a wide variety of factory-mounted options and field-installedaccessories to make them suitable for almost every application.All units are self-contained and assembled on full perimeterbase rails with holes in the four corners for overhead rigging.Every unit is completely piped, wired, charged and tested at thefactory to simplify the field installation and to provide years ofdependable operation. All models (including those with an econ-omizer) are suitable for either bottom or horizontal duct connec-tions. Models with power exhaust are suitable for bottom ductconnections only. For bottom duct, remove the sheet metal pan-els from the supply and return air openings through the base ofthe unit. For horizontal duct, remove the supply and return airpanels on the rear of the unit.All compressors include crankcase heaters and all compres-sors have internal pressure relief. Every refrigerant circuitincludes a liquid line filter-drier, a discharge line high pres-sure switch and a suction line with a freezestat and low pres-sure/loss of charge switch.The unit control circuit includes a75 VA transformer, a 24-volt circuit breaker and a relay boardwith a compressor lockout circuit, a terminal strip for thermo-stat wiring, plus an additional set of pin connectors to simplifythe interface of additional field controls. All units have longlasting powder paint cabinets with 1000 hour salt spray testapproval under ASTMB117 procedures. All models are CSAlisted. All models include a 1-year limited warranty on thecomplete unit. Compressors and electric heater elementscarry a 5-year warranty. Aluminized steel and Stainless steeltubular heat exchangers carry a 10-year warranty.DESCRIPTIONUnits shall be factory-assembled, single packaged, ElectricCooling/Gas Heat, Electric Cooling/Optional Electric Heatand designed for outdoor mounted installation.The 6 ton unit is rated at 10.4 EER. They shall have built-infield convertible duct connections for down discharge supply/return or horizontal discharge supply/return, and be availablewith factory installed options or field installed accessories. Theunits shall be factory wired, piped, charged with R-22 refriger-ant and factory tested prior to shipment. All unit wiring shall beboth numbered and color coded. All units the cooling perfor-mance shall be rated in accordance with DOE and ARI testprocedures. Units shall be CSA listed, classified to ANSIZ21.47, UL 1995/CSA No. 236 standards.UNIT CABINETUnit cabinet shall be constructed of G90 galvanized steel,with exterior surfaces coated with a non-chalking, powderedpaint finish, certified at 1000 hours salt spray test perASTMB117 standards. Indoor blower section shall be |
Related manuals for York DF 072
This manual is suitable for:
manualsdatabase
Your AI-powered manual search engine