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The Carel pRACK pR300 series is designed for comprehensive management of compressor units and assemblies. This series is intended for use with traditional refrigerants like HFC and HFO, as well as subcritical CO2 cascade systems. These controllers are available in four different sizes and various configurations, featuring either built-in or external PGD1 terminals. The user-friendly interface simplifies controller configuration, and the extensive range allows for flexible adaptation to installation needs. These controllers are equipped with features that streamline the configuration for different compressor types (screw, piston, scroll) and can be integrated with the boss family of supervisory systems and remote control systems for optimal monitoring, especially in retail applications.

Ideal for most standard applications, the pR300 controller is distinguished by its ability to adapt its functions to the type of system and characteristics of the electrical panel.

Features of pRACK pR300 Controllers:

  • Oil management (cooling, injection, separation).
  • Heat recovery (dual heat exchanger and gas cooler bypass).
  • Integration with the Chilbooster system (adiabatic cooling for air-cooled condensers).

Characteristics of Carel pRACK pR300 Controllers:

  • Various equipment versions: Small, Medium, Medium + Driver, Large.
  • Up to 6 analog outputs (depending on the version).
  • Up to 18 digital outputs (depending on the version).
  • Up to 10 analog inputs.
  • Up to 18 digital inputs.
  • Available with a built-in or external PGD1 terminal or a built-in RS485 interface.
  • Supports piston, scroll, digital scroll, and screw compressors.
  • User-configurable functions (ON/OFF, modulation, alarms, time ranges).
  • Communication via Carel and Modbus protocols.
  • Heat recovery and ChilBooster integration.

Advantages of Carel pRACK pR300 Controllers:

  • Supports up to two independent suction lines and two condensers.
  • Innovative management algorithms for energy savings.
  • Supports up to 12 scroll or piston compressors per unit, up to 2 screw compressors per unit (maximum one unit with screw compressors), and up to 16 fans per unit.
  • Faster operation due to the new technology based on pCO 5+ controllers.
  • Easy to use, featuring numerous technical details, procedures, and tools to assist users.
  • Modulation and energy savings.
  • Multiboard system: pRACK boards can be interconnected in a highly versatile way to serve various unit configurations on the market.
  • Heat recovery, oil management, and synchronization between compression lines.
  • Advanced local and remote monitoring through integration with Boss and RED systems.

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