µRack NA

µRack NA
  • General characteristics

    With the µRack series, CAREL offers a range of compact, economical and easy-to-use and install parametric controllers for the complete management of small compressor racks.

    µRack offers:

    • the possibility to manage up to five relay outputs for controlling devices such as compressors and fans
    • immediate user interface with a LED display that shows the monitored values and icons indicating the status of the devices
    • quick-fit electrical connections for fast and safe connection to the controller, as well as possibility to create cable kits for mass production
    • PWM output for driving a condensing fan speed controller


    A series of optional modules extends the controller’s range of performance, allowing rapid programming by hardware key even when the device is powered off, as well as connection to the supervisory system for complete monitoring of the unit. 
    The controller can manage compressor racks with the floating condensing function if the system (cabinets-cold rooms) is equipped with electronic valves, as well as compressor racks two circuits, a single condenser and two suction set points. 
    The functions implemented, compact dimensions and easy installation and connection make these controller the best solution for the management of small compressor racks.

  • Plus

    • Simple and immediate use
      Developed with special attention to ease of use, with numerous features such as the icon-based display and easy wiring
    • Compact size, panel or DIN rail mounting
      Easy assembly in any type of electrical panel and unit
    • Complete management of the compressor rack
      Control of modulating fans and management of two suction lines are just some of the functions that make uRack a versatile and effective controller



  • Technical Leaflets
    Code Description Language Date * Release
    Code +05P002870
    Description MRK0000*: μRack Controllo elettronico per la gestione completa di centrali frigorifere fino a 4 compressori / Electronic controller for the complete management of compressor racks with up to 4 compressors
    Language ENG  ITA 
    Date 06/03/2009
    Release 1.1
  • Manuals
    Code Description Language Date * Release
    Code +03P220431
    Description μRack: Standard compressor racks single/two circuit
    Language ENG 
    Date 06/06/2012
    Release 2.3
    Code +03P220432
    Description μRack: Centrale Frigorifique Standard un/deux circuits
    Language FRE 
    Date 06/06/2012
    Release 2.3
    Code +03P220434
    Description μRack: Central Frigorífica Estándar Mono/Bicircuito
    Language SPA 
    Date 06/06/2012
    Release 2.3