The KMD-7003/7053 is a direct digital controller, integrated into an actuator, designed primarily for VAV fan induction terminal units. This controller will operate independently in a stand-alone mode or jointly in a peer-to-peer network sharing system data and/or programs. Standard VAV fan control sequences have been incorporated to provide pressure independent control of a VAV fan induction unit. Accessible control basic programming allows customizing of the standard sequences for adding temperature setback, overrides and other user defined sequences. Each controller has an on board flow-through sensor for use with a single or multi-point differential pressure measuring station or Pitot tube. The sensor utilizes twin platinum-ceramic resistance temperature sensors for control accuracy to within 3% of the setpoint. Applications Typical Applications include cooling, heating, cooling with reheat, or cooling with time proportional reheat.
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