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Danfoss Universal Refrigeration Controller AK-CC 250A (084B8528)



Danfoss AK-CC 250A Universal Refrigeration Controller

Smart and flexible refrigeration control for cold rooms, refrigerated cabinets and commercial refrigeration applications. The AK-CC 250A combines temperature control, defrost management, fan control, compressor control and MODBUS communication in one compact controller.

Danfoss Code: 084B8528

One Controller – Multiple Refrigeration Functions

The Danfoss AK-CC 250A (084B8528) is a universal refrigeration controller designed for temperature control of refrigeration appliances using thermostatic expansion valves (TXV).

Its multiple predefined applications make the controller suitable for both new refrigeration installations and service or replacement applications where flexible control is required.

🌡 Temperature Control Accurate refrigeration temperature management using compatible Pt1000 or PTC1000 temperature sensors.
❄ Defrost Control Supports refrigeration applications requiring automatic defrost management.
🌀 Fan Control Dedicated relay functionality allows evaporator fan operation to be coordinated with the refrigeration system.
⚙ Compressor Control Flexible refrigeration control for applications with up to two compressors.
🔗 Integrated MODBUS Built-in MODBUS data communication allows integration with compatible refrigeration monitoring and control systems.
🖥 Front Display Integrated front display provides convenient access to operating information and controller settings.

Technical Specifications

Product Danfoss Refrigeration Controller
Model AK-CC 250A
Part Number 084B8528
Application Refrigeration Control
Control Type Temperature / Multi-Application
Expansion Valve Application TXV – Thermostatic Expansion Valve
Supply Voltage 230 V AC
Frequency 50 / 60 Hz
Power Consumption 2.5 VA
Relay Outputs 4
Analog Inputs Up to 3
Digital Inputs Up to 2
Sensor Compatibility Pt1000 / PTC1000
Communication Integrated MODBUS
Maximum Evaporators 1
Maximum Compressors 2
Front Display Yes
Important: Danfoss identifies 084B8528 specifically as the AK-CC 250A. When replacing an existing controller, always confirm the part number, sensor type, wiring and configured application before installation.

Designed for Flexible Refrigeration Control

Instead of requiring separate basic controls for individual refrigeration functions, the AK-CC 250A provides multiple control functions through one refrigeration controller.

Refrigeration Controls the refrigeration function according to the selected application and temperature conditions.
Defrost Provides programmable defrost control for applicable refrigeration systems.
Evaporator Fan Controls fan operation as part of the refrigeration sequence.
Alarm Functions Allows refrigeration operating conditions to be monitored and alarm functions configured.
Digital Inputs Inputs can be used for selected external signals depending on the configured application.
System Communication Integrated MODBUS provides data communication capability for compatible supervisory systems.

Typical Applications

❄ Cold Rooms
🧊 Freezer Rooms
🛒 Supermarket Refrigeration
🥶 Refrigerated Cabinets
🍎 Food Storage
🏪 Commercial Refrigeration

Why Choose Danfoss AK-CC 250A?

✓ Multiple predefined refrigeration applications
✓ Integrated MODBUS communication
✓ Supports Pt1000 and PTC1000 sensors
✓ Four relay outputs for flexible control
✓ Integrated front display
✓ Refrigeration, defrost and fan management
✓ Suitable for new installations and service applications
✓ Part of the Danfoss ADAP-KOOL® refrigeration control platform

Danfoss AK-CC 250A 084B8528 Supplier in Malaysia

Looking for a Danfoss universal refrigeration controller for your cold room, freezer or commercial refrigeration system?

Contact us with your existing controller model, Danfoss part number and refrigeration application for product matching and availability.



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