York SUNLINE 2000 Manual

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FACTORY-INSTALLED OPTIONSECONOMIZERS - Interlocked outdoor and return air dampersare positioned by a fully modulating, spring return damperactuator capable of introducing up to 100% outdoor air withnominal 1% leakage type dampers. As the outdoor air intakedampers open, the return air dampers close. The changeoverfrom compressor to economizer cooling is determined by oneor two solid state enthalpy controls.On single enthalpy, an outdoor air sensor determines when theoutdoor air is cool and dry enough to provide “free” cooling. Ondifferential enthalpy, one sensor monitors the outdoor air whilea second sensor monitors the return air. Whenever the outdoorair is cooler and drier than the return air, the unit will switch toeconomizer operation. For either option, the first compressorstage can provide additional cooling during economizeroperation if the room thermostat calls for second stage.The dampers and controls are installed and wired at the factory.Only the accessory rain hood needs to be assembled andinstalled in the field.These economizer options can be used on all duct configurations.POWER EXHAUST - Both the single and differentialeconomizer options are available with power exhaust.Whenever the outdoor air intake dampers are opened for freecooling, the exhaust fan will be energized to prevent theconditioned space from being over-pressurized duringeconomizer operation.The exhaust fan, motor and controls are installed and wired atthe factory. Only the back-draft damper assembly needs to befield installed and the accessory rain hoods need to beassembled and installed in the field.The power exhaust option can only be used on bottom ductconfigurations.MOTORIZED OUTDOOR AIR INTAKE DAMPER - Interlockedoutdoor and return air dampers are controlled by a 2-position,spring return damper actuator. The outdoor damper will opento some pre-set position whenever the supply air blower isoperating and will drive fully closed when the blower shutsdown.The damper and controls are installed and wired at the factory.Only the accessory rain hood needs to be assembled in the field.This damper option can be used on all duct configurations.FIELD-INSTALLED ACCESSORIESSINGLE INPUT ELECTRONIC ENTHALPY ECONOMIZERS- Includes a slide-in / plug-in damper assembly with fullymodulating spring-return monitor actuator capable ofintroducing up to 100% outdoor air with nominal 1% leakagetype dampers.The enthalpy system contains one sensor that monitors theoutdoor air and determines when the air is cool enough and dryenough to provide “free” cooling.The rainhood is painted to match the basic unit and must befield-assembled before installing.On units built prior to January 1995, an accessory field harnessmust be installed.Power exhaust is not available as a field installed option.DUAL INPUT ELECTRONIC ENTHALPY ECONOMIZERS -Includes a slide-in / plug-in damper assembly with fullymodulating spring-return monitor actuator capable ofintroducing up to 100% outdoor air with nominal 1% leakagetype dampers.This enthalpy system contain one sensor that monitors theoutdoor air and one sensor that monitors the return air. Thelogic module compares these two values and modulates thedampers providing the maximum efficiency of economizersystem.The rainhood is painted to match the basic unit and must befield-assembled before installing.On units built prior to January 1995, an accessory field harnessmust be installed.Power exhaust is not available as a field installed option.MOTORIZED OUTDOOR AIR INTAKE DAMPER - Includes aslide-in / plug-in damper assembly with a 2-position, springreturn motor actuator which opens to some pre-set positionwhenever the supply air blower is operating and will drive fullyclosed when the blower unit shuts down.The rain hood is painted to match the basic unit and must befield assembled before installing.On units built prior to January 1995 an accessory field harnessmust be installed.Power exhaust is not available as a field installed option.ROOF CURBS - 343mm (14") high roof curbs provide awater-tight seal between the unit and the finished roof. Thesefull perimeter curbs meet the requirements of the NationalRoofing Contractors Association (NRCA) and are shippedknocked-down for field assembly. They’re designed to fit insidethe base rails of the unit and include both a wood nailing stripand duct hanger supports.ANTI-RECYCLE TIMERS - Three solid state timers preventthe compressors from short-cycling. Once a compressor isde-energized, it will remain de-energized for approximately fiveminutes.HIGH ALTITUDE NATURAL GAS - Burner orifices and pilotorifices are provided for proper furnace operation at altitudesup to 1824m (6,000 ft).PROPANE - Burner orifices, pilot orifices and gas valve partsare provided to convert a natural gas furnace to propane.HIGH ALTITUDE PROPANE - Burner orifices and pilot orificesare provided for proper furnace operation at altitudes up to1824m (6,000 ft). This accessory supplements the basicpropane conversion kit.SIDE DUCT FLANGES - 25mm (1") flanges replace the supplyand return air panels on the rear of the unit to accommodatehorizontal duct connections. These flanges can also be usedindividually for bottom supply/horizontal return or horizontalsupply/bottom return. They cannot be used on units with powerexhaust.TABLE OF CONTENTSPhysical Data ....................................................................... 6Electrical Data - Clg. and Gas Heating................................ 6Electrical Data - Units with Electric Heating ........................ 6Field Wiring (DCE/DCG Units) ............................................ 7Unit Dimensions................................................................... 8Roof Curb Dimensions....................................................... 10Typical Applications ............................................................11Description ........................................................................... 1Factory-Installed Options..................................................... 2Field-Installed Accessories .................................................. 2Ratings................................................................................. 3Cooling Capacities............................................................... 4Blower Performance ............................................................ 5Static and Power Exhaust Resistances............................... 5Blower Motor and Drive Data .............................................. 5530.26-TG4YI2 Unitary Products Group