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Danfoss

Case/room Controller AK-CC 55

The AK-CC55 is a cutting-edge solution for precise control of refrigeration appliances and cold storage rooms.

Case/room Controller AK-CC 55
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01 Overview

Available in Compact, Single Coil, and Multi Coil variants, it seamlessly manages refrigerated display cases and cold rooms using electronic expansion valves (EEVs) like the AKV. Engineered for versatility, the AK-CC55 supports multiple temperature sensors, ratiometric pressure transmitters, and customizable inputs and outputs, offering unmatched flexibility for refrigeration professionals. Its built-in MODBUS communication and optional LON RS485 ensure easy integration with modern systems, enabling remote monitoring and efficient diagnostics. With features like MSS injection control and CO₂ compliance, the AK-CC55 is tailored for energy-efficient performance. Its robust design meets stringent global standards, ensuring reliability and compliance across applications. Whether for precise temperature management or advanced system control, the AK-CC55 empowers you to achieve optimal efficiency and peace of mind in every refrigeration setup.

Case/room Controller AK-CC 55 — view 2

01

The AK-CC 55 is a highly flexible and precise controller designed for refrigeration appliances and cold storage rooms. Available in Compact, Single Coil, and Multi Coil variants, it is ideal for managing refrigerated display cases or cold rooms using electronic expansion valves (EEVs), such as the AKV series.

02

Key Features and Capabilities

  • Comprehensive Monitoring

    The controller supports multiple temperature sensors to monitor air temperatures before and after the evaporator. It also allows additional sensors for food proximity, evaporator temperature, and defrost monitoring, ensuring a thorough overview of system performance.
  • Flexible Inputs and Outputs

    With six digital outputs, three digital inputs, and one analog output, the AK-CC55 can control various refrigeration components, including fans, heaters, and alarms. It also features a pressure input to support ratiometric pressure transmitters for precise system adjustments.
  • Advanced Refrigeration Control

    Designed for modern refrigeration needs, the controller supports CO₂ systems and features MSS injection control for optimal refrigerant flow, enhancing energy efficiency and system reliability.

03

Connectivity and Integration

The AK-CC 55 comes with built-in MODBUS communication and an optional LON RS485 card, allowing integration with broader system networks. This enables remote monitoring, diagnostics, and seamless operation in complex refrigeration setups.

04

Technical Highlights

  • Wide Voltage Range

    Operates efficiently at 115–230 V AC with low power consumption (5 VA).
  • Sensor Compatibility

    Supports NTC 5000, NTC 10000, PTC 1000, and Pt 1000 sensors, offering flexibility in sensor selection.
  • Regulatory Compliance

    Certified under CE, C-TICK, and other standards, meeting global safety and performance requirements.

05

Applications

The AK-CC55 excels in controlling refrigerated display cases and cold rooms, especially in CO2-based systems. It combines reliable control functions, robust hardware, and modern connectivity to ensure efficient, compliant, and precise refrigeration management.

Professionals seeking an adaptable and efficient solution will find the AK-CC55 an excellent choice for meeting contemporary refrigeration challenges.

Learn more about Danfoss’ CO2  product portfolio here

02 Technical dossier

Specifications

15 data points · as published by Danfoss

Refrigerant
CO₂
Category
Controllers & inverter drives

01Operating limits

2 entries

Metrics controlled (temperature, pressure)
Temperature and pressure
Operating temperature range
Not explicitly stated

02Refrigerant

3 entries

Refrigerants applied to
CO₂ compliant
Sensor: ppm range of gas detected
Not applicable
Refrigerant
CO₂

03Components & options

1 entry

Valves controlled
AKV (Electronic Expansion Valves)

04Controls & electrical

7 entries

Remote monitoring
Yes, via built-in MODBUS communication
Proprietary or open architecture
Open architecture (supports MODBUS and optional LON RS485)
Variable-speed control
Not specified
Automatic fault detection
Not explicitly mentioned
Communication type
MODBUS (built-in) with an optional LON RS485 card
Power consumption
5 VA
Type of sensor
NTC 5000, NTC 10000, PTC 1000, Pt 1000

05Build & dimensions

1 entry

Equipment focus (racks, cases, etc)
Cases/rooms

06Certification & markets

1 entry

Region
Global
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Talk to Danfoss about the Case/room Controller AK-CC 55.

Send your enquiry to Danfoss — ask for specifications, pricing and availability for your project.

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