The LonMark® certified LTEC Fan Coil Unit (FCU) Controllers provide direct digital control of fan coil units. The LTEC FCU Controller is designed to reside on the Siemens Building Technologies, Inc. APOGEE® LonWorks® network, providing seamless interaction with all LonMark products. The LTEC offers cost-effective flexibility by allowing selection of the best point-configuration platform to meet any FCU application requirement