The Danfoss AK‑CC A (part number B) is a high-performance case/room controller designed for industrial refrigeration applications. It features adaptive superheat and defrost control, designed to optimize energy usage for single or multiple evaporator setups, including CO₂ systems. Equipped with five configurable relay outputs and support for up to six RTD sensors, it offers full HVAC control including fans, lights, defrost, alarms, electronic valves, and cleaning cycles, with an integrated -digit display and MODBUS communication.

Key Features:

Model / P/N: AK‑CC A (B)
Supply Voltage:  V AC, / Hz, ≈ VA consumption
Control Outputs: relay outputs & electronic expansion valve (AKV) control
Sensor Inputs: Supports – Pt/PTC temperature sensors, ±. K accuracy in – … + °C range
Key Functions:
- Temperature control (thermostat & alarm)
- Adaptive superheat (ALC/CALM) and defrost management
- Fan, light, alarm, door and cleaning cycle control
Communications: RTU MODBUS, optional Danfoss DanBUS or LON integration
Interface: Built-in digital display with front‑panel buttons for setup
Construction: DIN‑rail or wall mount; screw‑terminal connectors; IP enclosure; ~ g

Danfoss – AK-CC 550A (084B8030) – 230 V Case/Room Controller with MODBUS

Danfoss – AK-CC 550A (084B8030) – 230 V Case/Room Controller with MODBUS