压缩机和冷凝器控制

AK-PC 420

The AK-PC 420 is a sophisticated capacity controller designed for dry coolers. It offers advanced functionalities to optimize the performance and efficiency of cooling systems. This controller is equipped with multiple features that ensure precise regulation and control, making it an ideal choice for various cooling applications.

AK-PC 551

The AK-PC 551 is a versatile pack controller designed for managing 1 or 2 suction groups of compressors and a common condenser. It supports a variety of compressor combinations, including variable speed, Digital scroll, and Stream 4 cylinder compressors. The controller offers numerous energy-saving functions and optimization features, making it highly adaptable to any pack application. It can be fully configured through an LCD display, which can be built-in or remotely connected. The compact size of 8 DIN modules ensures easy integration, and the controller can be connected to a MODBUS communication network. It is available with 24 Vac or 110-230 Vac power supply options.

AK-PC 572

The AK-PC 572 MiniPack controller is a comprehensive solution designed for small store retailers who want to leverage the benefits of using CO₂ as a refrigerant. This compact and cost-effective controller incorporates much of the advanced technology found in the AK-PC 781A pack controller, which has a decade-long track record of reliability in CO₂ applications. The AK-PC 572 simplifies the use of CO₂, making it accessible even to those with minimal experience. It offers essential functionalities of a dedicated CO₂ controller with unique ease of use and minimal complexity.

AK-PC 651A

The AK-PC 651A is an advanced pack controller designed for managing compressors and condensers in refrigeration systems. It offers a comprehensive suite of features to optimize system performance, ensure safety, and enhance energy efficiency. The controller supports both fixed and variable reference modes, making it adaptable to various operational requirements. It is equipped with multiple inputs and outputs, allowing for flexible configuration and precise regulation of system parameters. The AK-PC 651A also includes a web interface for remote monitoring and control, providing users with easy access to system data and settings.

AK-PC 772A

The AK-PC 772A units are advanced regulating systems designed for precise capacity control of compressors and gas coolers in small CO₂ refrigeration systems. These units can function either as a compressor and condenser control on Medium Temperature (MT) systems or as a booster system, and they support regulation with one parallel compressor. The controller includes sophisticated oil management, a heat recovery function, and CO₂ gas pressure control to ensure optimal performance and energy efficiency.The primary function of the controller is to manage compressors and gas coolers, ensuring that the system operates at energy-optimum pressure conditions at all times. This is achieved by controlling both suction pressure and gas pressure through signals from pressure transmitters and temperature sensors.

AK-PC 772B

The AK-PC 772B units are designed for efficient capacity control of compressors and gas coolers in small CO₂ refrigeration systems. These units can function either as a compressor and condenser control on Medium Temperature (MT) systems or as a booster system. They also support regulation with one parallel compressor. The controller includes oil management, heat recovery function, and CO₂ gas pressure control.
The controller’s main function is to control compressors and gas coolers so that operation always takes place at the energy-optimum pressure conditions. Both suction pressure and gas pressure are controlled by signals from pressure transmitters and temperature sensors.

AK-PC 781A

The AK-PC 781A is a comprehensive regulating unit designed for capacity control of compressors and condensers in refrigeration systems. It integrates oil management, heat recovery functions, and CO₂ gas pressure control. The controller can provide signals to other controllers about the operating conditions, such as forced closing of expansion valves, alarm signals, and alarm messages.

AK-PC 781B

The AK-PC 781B is a comprehensive pack controller designed for the capacity control of compressors and condensers in refrigeration systems. It integrates several advanced features, including oil management, heat recovery functions, and CO₂ gas pressure control. This controller is capable of providing signals to other controllers regarding operating conditions, such as forced closing of expansion valves, alarm signals, and alarm messages.

AK-PC 782A

The flexible AK-PC 782A pack controller delivers highest efficiency.AK-PC 782A is a powerful and flexible controller that provides precise regulation, improved efficiency, and enhanced user friendliness for pack control in transcritical CO₂ booster packs.The controller flexibility and efficiency makes it the obvious choice for all sizes of packs in all climates.

AK-PC 782B

The flexible AK-PC 782B pack controller delivers highest efficiency. AK-PC 782B is a powerful and flexible controller that provides precise regulation, improved efficiency, and enhanced user friendliness for pack control in transcritical CO₂ booster packs. The controller flexibility and efficiency makes it the obvious choice for all sizes of packs in all climates.

AK-PC 783A

The AK-PC 783A is a comprehensive regulating unit designed for capacity control of compressors and condensers in refrigeration plants with a cascade function. This controller manages the high-pressure circuit, low-pressure circuit, and cascade circuit, ensuring optimal operation at energy-efficient pressure conditions. It includes oil management, simple heat recovery functions, and coordination between high-pressure and low-pressure controls. The AK-PC 783A is capable of providing signals to other controllers about operating conditions, such as forced closing of expansion valves and alarm messages.

EKE 80

The EKE 80 controller can drive a number of High Pressure (HP) or Low Pressure (LP) Industrial Large Ejectors (ILE), Multi-ejectors (ME), and ICAD B actuators that operates the Danfoss ICMTS motor operated valve, in order to facilitate lifting of the Medium Temperature (MT) suction flow to offload the MT compressor thereby decreasing the overall energy consumption of a cooling system.
It is compatible with the Danfoss AK-PC 782A, AK-PC 782B, and is Modbus RTU interoperable with PLCs. The EKE 80 driver is able to integrate into existing cooling solutions with minimal effort both in terms of physical working conditions and regulatory compliance.
The EKE 80 driver requires 2 input signals (1 x DI enabling signal and 1 x AI capacity reference signal) from the main controller/PLC. It will then be responsible for providing the appropriate output signals to the ejectors and valve-actuators.
The EKE 80 is also responsible for driving its expansion module when more than 4 ejectors require driving. The EKE 80 and the EKE 80 expansion module are able to support the use of:

• up to 8 Industrial Large Ejectors, or 7 Industrial Large Ejectors and 1 Multi-ejectors, and
• 2 ICAD B units that operate Danfoss ICMTS
• Modbus communication

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