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KMC Controls FlexStat™ from KMC Controls

In September 2010, Consulting-Specifying Engineer magazine announced winners of the annual Product of the Year award program. Among the winners, the FlexStat was awarded a Gold medal in the Networked/BAS category. The FlexStat was also chosen as an Editors' Choice product in In the (printed) October 2010 issue of Commercial Building Products (see below).

The KMC FlexStat is a (B-AAC) BACnet advanced application controller and sensor in a single, attractive package that creates a flexible solution to stand-alone control challenges or BACnet network challenges in any size of commercial and industrial buidlings. Temperature sensing is standard with optional humidity and motion sensing. Flexible input and output configurations and built-in or custom programming ensure that a variety of application needs can be met. Such applications include single- and multi-stage packaged, unitary, and split systems (including high SEER/EER variable speed packaged equipment), as well as factory-packaged and field-applied economizers, water-source and air-to-air heat pumps, fan coil units, central station air handling units, and other similar applications.

In addition, an on-board library of programs permits a single model to be rapidly configured for a wide range of HVAC control applications. Thus, a single “one size fits all” FlexStat model can replace multiple competitor models. A single BAC-10163CW, for example, can be configured for any and all of these application options:

  • Air handling unit, with proportional heating and cooling valves, and with optional economizer, dehumidification, and/or fan status
  • Fan coil unit, 2-pipe or 4-pipe, proportional or 2-position valves, with optional dehumidification (w/ 4-pipe option) and/or fan status
  • Heat pump unit, with up to two compressor stages, and with optional auxiliary heat, emergency heat, dehumidification, and/or fan status
  • Roof top unit, with up to two H/C stages, and with optional economizer, dehumidification, and/or fan status

FlexStats also provide the capability to customize the standard library of sequences using KMC’s BACstage (ver. or later) or TotalControl (ver. 2.0.5 or later). This enables a local authorized KMC installing contractor to adapt the standard library to the unique site needs and application specific requirements of a particular project.

Space temperature sensing is standard. Optional built-in sensors are humidity and motion/occupancy. The motion/occupancy sensor has a range of over 30 feet.

The BACnet programmable thermostat FlexStat is supported by a library of downloadable award-winning support documents. Among these are:

  • Brochure—A general overview of the FlexStat
  • Data Sheet—Product specifications and selection guide
  • Installation Guides (by type)—Basic installation instructions (per output configuration)
  • Operation Guide—Menu navigation, configuration, troubleshooting, and general information
  • Application Guide—Customized programming and application information, detailed diagrams for all the built-in applications, and sequences of operation (requires login to the Partners site)