The LonMark® certified LTEC Variable Air Volume/Constant Volume (VAV/CV) Controller provides direct digital control of pressure independent, variable air volume, and constant volume zone level routines. The versatile LTEC VAV/CV Controller is designed to reside on the Siemens Building Technologies, Inc. APOGEE® for LonWorks® network, providing seamless interaction with all LonMark products. The LTEC offers cost-effective flexibility by allowing selection of the best-point configuration platform designed to meet any VAV/CV application requirement.