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Mechanical Specifications <br /> Fully Modulating Economizer Start Kit <br /> This accessory shall be field installed and be composed Extra compressor starting capacity for single phase <br /> of the following items:0-100%fresh air damper, equipment. <br /> damper drive motor,fixed dry bulb enthalpy control, Control Options <br /> and low voltage pigtails for electrical connections. Standard Indoor Thermostats <br /> Solid state enthalpy or differential enthalpy control is <br /> optional. Economizer operations shall be controlled by Two stage heating/cooling or one stage heating/ <br /> the preset position of the enthalpy control.A cooling thermostats shall be available in either manual <br /> barometric relief damper shall be standard with the or automatic changeover. <br /> economizer and provide a pressure operated damper Programmable Electronic Night Setting Thermostat <br /> that shall be gravity closing and prohibit entrance of Programmable electronic thermostat shall provide <br /> outside air on equipment"off'cycle. Economizer heating setback and cooling setup with 7-day <br /> requires BAYRLAY004A relay kit to interface the programming capability. 1 H/1C or 2H/2C models <br /> economizer to the heat pump. available. <br /> Manual Outside Air Dampers <br /> Rain hood and screen shall be field installed. Suitable <br /> for up to 25%outside air. <br /> 12 4WCC4024E-SUB-1A-EN <br />