Fan Coil & HVAC Control

ECL 300

The Distech ECL-300 Series controllers are microprocessor-based programmable HVAC controllers designed to control various building automation applications.


These controllers use the LonTalk® communication protocol and are LonMark certified.

Air handling units, chillers, boilers, pumps, cooling towers, and roof top units.


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LONMARK® Certified 18-Point Programmable Controllers

The ECL-300 can also be used for lighting control and power measurement applications. This controller uses the LonTalk® communication protocol and is LONMARK certified as a Static Programmable Device, guaranteeing compatibility and interoperability with other manufacturers’ LONMARK certified controllers.

These controllers meet the requirements of the following applications:

  • Air handling units
  • Chillers
  • Boilers
  • Cooling towers
  • Heat-exchangers
  • Pumps
  • Lighting control

This controller has various software configurable universal inputs and software configurable universal outputs, and covers all medium to large-size industry-standard HVAC applications.

Rugged hardware inputs and outputs eliminate need for external protection components, such as diodes for 12V DC relays.

ECL-350 Model

The ECL-350 model has a full-color backlit display and a jog dial for turn and select navigation to access a wide range of internal controller functions:

  • View and override values. The status is color coded to show if the value is overridden.
  • Visually tune PID loops with system response graphing.
  • View and modify schedules and calendars through a graphic interface. Also create or delete schedule events, special events, and calendar entries.
  • Create a list of favorites to provide quick access to commonly-used values.
  • Multi-User access management.
  • Multilingual interface: English, French, German, etc

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