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0 TRWE" <br /> Features and Benefits <br /> Electric Heaters <br /> Electric heat modules are available within the basic unit.If ordering theThrough-the-Base Electrical <br /> option with an Electrical Heater,the heater must be factory installed. <br /> Fresh Air Options— Dampers and Economizer <br /> 0-25% manual or 0-50% motorized outside air hoods are available. <br /> Economizers are equipped with either dry bulb or reference or comparative enthalpy sensing. <br /> These economizers provide free cooling as the outdoor temperature and/or humidity decreases. <br /> Correctly installed,they offer a valuable energy savings. Factory-installed economizers save time <br /> and ensure proper installation. <br /> Due to varying supply fan speed 0-50% motorized damper is not available with multi-speed or <br /> SZVAV applications. <br /> The economizers come with three control options—dry bulb is standard,enthalpy and differential <br /> enthalpy are optional. <br /> FrostatT"" <br /> This capillary bulb embedded in the face of the evaporator coil monitors coil temperature to <br /> prevent evaporator icing and protect the compressor. Recommended for applications with low <br /> leaving air temperatures, low airflow and or high latent load applications. <br /> Low Leak Economizer <br /> This accessory meets low leak requirements for ASHRAE 90.1, IECC, and CATitle 24 standards <br /> (3 cfm/ft^2@1"wg exterior air,4 cfm/ft^2@1"wg return air).This option allows 100%outdoor air <br /> supply from 0-100% modulating dampers and is standard with barometric relief. It can be paired <br /> with powered exhaust for additional building pressure relief.This option can be paired with or <br /> without Fault Detection&Diagnostics(FDD)to meet current mandatory CATitle 24 requirements. <br /> Available on downflow units only. <br /> Reference or Comparative Enthalpy <br /> Measures and communicates humidity while maximizing comfort control. <br /> Tool-less Hail Guards <br /> Tool-less, hail protection quality coil guards shall be <br /> I either factory or field-installed for condenser coil <br /> PC__ - protection.This option protects the condenser coil from <br /> ` - vandalism and/or hail damage. <br /> Field Installed Optionsi <br /> CO2 Sensing Kits <br /> Two field installed kits are offered:CO2 sensor and wiring or CO2 sensor only.The CO2 sensor only <br /> kit should be ordered with factory installed CO2 sensorwiring. Factory installed CO2 sensor wiring <br /> saves set-up time and ensures proper unit connections for the CO2 sensor. <br /> The CO2 sensor has the abilityto monitor space occupancy levels within the building by measuring <br /> the parts per million of CO2(Carbon Dioxide) in the air.As the CO2 levels increase,the outside air <br /> damper modulates to meet the CO2 space ventilation requirements. <br /> Refer to Model Number Description for option availability. <br /> PKGP-PRC013K-EN 13 <br />