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0 TRANE- <br /> Mechanical Specifications <br /> Electric Heaters <br /> Electric heat modules shall be available for installation within basic unit. Electric heater elements <br /> shall be constructed of heavy-duty nickel chromium elements internally delta connected for 240 <br /> volt,wye connected for 480 and 600 V. Staging shall be achieved through ReliaTelT". Each heater <br /> package shall have automatically reset high limit control operating through heating element <br /> contactors.All heaters shall be individually fused from the factory,where required,and shall meet <br /> all NEC and CEC requirements when properly installed. Power assemblies shall provide single- <br /> point connection. Electric heat modules shall be cULus listed. <br /> FrostatTM <br /> This option is to be utilized as a safety device.The FrostatT"^ opens when temperatures on the <br /> evaporator coil fall below 100F.The temperature will need to rise to 50°F before closing.This option <br /> should be utilized in low airflow or high outside air applications (cooling only). <br /> LonTalk@ Communication Interface <br /> This option shall be provided to allow the unit to communicate as aTracerT"LCI-R device or <br /> directly with generic LonTalk@ Network Building Automation System Controls. <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 /> BACnet@ Communication Interface <br /> This option shall be provided to allow the unit to communicate directly with a generic open <br /> protocol BACnet@ MS/TP Network Building Automation System Controls. <br /> Reference or Comparative Enthalpy <br /> Reference Enthalpy is used to measure and communicate outdoor humidity.The unit receives and <br /> uses this information to provide improved comfort cooling while using the economizer. <br /> Comparative Enthalpy measures and communicates humidity for both outdoor and return air <br /> conditions,and return airtemperature.The unit receives and usesthis information to maximize use <br /> of economizer cooling,and to provide maximum occupant comfort control. Reference or <br /> Comparative Enthalpy option shall be available when a factory or field installed Downflow <br /> Economizer is ordered.This option is available on all downflow models. <br /> Tool-less Hail Guards <br /> Tool-less, hail protection quality coil guards are available for condenser coil protection. <br /> Trane@ Communication Interface <br /> This option shall be provided to interface ReliaTelTI controlled units with theTrane@ Integrated <br /> Comfort TM systems. <br /> Field Installed Options <br /> CO2 Sensing <br /> The CO2 sensor shall have the ability to monitor space occupancy levels within the building by <br /> measuring the parts per million of CO2(Carbon Dioxide)in the air.As the CO2 levels increase,the <br /> outside air damper modulates to meet the CO2 space ventilation requirements. <br /> 84 PKGP-PRC013K-EN <br />