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L Connection® Integrated Modular Controller

L Connection® Integrated Modular Controller

Standard on every L Series® and S-Class™ rooftop unit.

Features and Benefits

  • Simplifies diagnostics and problem-solving.
  • Pre-programmed with more than 200 control parameters that are factory-set for typical applications.
  • Controls constant volume bypass or single zone units, or variable air volume units with factory variable frequency drives.
  • Over 90 unit alarm and diagnostic codes.
  • Interfaces directly to L Connection® Network, standard thermostats or electro-mechanically controlled third-party automation systems.
  • Built specifically to provide optimum control of L Series and S-Class units.
  • Optional BACnet® or LonTalk® capability for integration with third-party automation systems.


  • 3-Year Limited Warranty on Integrated Modular Controller.
  • 1-Year Limited Warranty on all other controls components.

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