Smart Refrigeration Pack Control
Designed for efficient, reliable and intelligent compressor and condenser management.
Compressor Protection
Integrated safeguards help protect compressors against potentially harmful operating conditions.
Condenser Management
Controls condenser pressure to support efficient and stable refrigeration performance.
Temperature Monitoring
Monitors important suction and discharge gas temperatures during system operation.
MODBUS Communication
Communication support allows integration with compatible refrigeration management systems.
Energy Optimization
Supports heat recovery, load management and P0 optimization functions.
Built-In Buzzer
Audible alerts help operators identify important system conditions quickly.
LCD Display
Built-in LCD interface provides convenient monitoring and controller operation.
Flexible Pack Control
Supports several different compressor configurations and capacity-control strategies.
Product Information
Click below to explore the AK-PC 351.
Danfoss AK-PC 351 Overview
The Danfoss AK-PC 351 Pack Controller (080G0289) is designed for managing compressor and condenser systems in professional refrigeration applications.
It combines compressor capacity control, condenser management, system monitoring and safety functions within a compact DIN-rail mounted controller.
Multiple analog and digital inputs allow the controller to monitor important refrigeration parameters, while MODBUS communication enables connection to compatible refrigeration management systems.
A built-in LCD display provides a convenient interface for system monitoring and operation, making the AK-PC 351 suitable for commercial refrigeration compressor pack applications.
Key Features & Benefits
- Low-pressure protection
- Comprehensive compressor safeguards
- Efficient condenser pressure management
- Suction gas temperature monitoring
- Discharge gas temperature protection
- High-pressure safety functions
- Heat recovery support
- Smart load management
- P0 optimization
- Built-in alarm buzzer
- Built-in LCD user interface
- MODBUS communication
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Danfoss |
| Product Type | Pack Controller |
| Model | AK-PC 351 |
| Part Number | 080G0289 |
| AC Supply | 24 V AC ±15%, 50/60 Hz, 9 VA |
| DC Supply | 24 V DC (20–60 V), 9 VA |
| Analog Inputs | 4 |
| Digital Inputs | 8 |
| Capacity Control Outputs | 5 × SPST relay outputs + 1 × solid-state PWM output |
| Voltage Outputs | 2 × 0–10 V DC |
| Communication | MODBUS |
| Operating Temperature | -20°C to +60°C |
| Transport Temperature | -40°C to +70°C |
| Protection Rating | IP20 |
| Mounting | DIN Rail |
| Weight | Approx. 0.2 kg |
| Connection Terminal | Maximum 2.5 mm² multi-core |
Supported Compressor Applications
The AK-PC 351 supports different compressor arrangements, making it suitable for various commercial refrigeration pack configurations.
Single Step
Single-step compressors of the same size.
Speed on Lead
Speed-controlled lead compressor combined with single-step compressors.
Digital Scroll on Lead
Digital scroll lead compressor combined with single-step compressors.
Stream 4 Cycle on Lead
Stream 4-cycle lead compressor combined with single-step compressors.
Multistep Compressors
Multistep compressors with the same number of unloader valves and the same size.
AK-PC 351 Technical Datasheet
View the technical specifications, applications, product details and additional information for the Danfoss AK-PC 351.
View / Download DatasheetDanfoss AK-PC 351 Pack Controller 080G0289
The Danfoss AK-PC 351 Pack Controller 080G0289 provides professional compressor and condenser control for commercial refrigeration systems. Featuring MODBUS communication, multiple analog and digital inputs, capacity-control outputs, compressor protection, condenser management, temperature monitoring and a built-in LCD interface, it provides a compact solution for refrigeration compressor pack management.
Suitable for commercial refrigeration systems, refrigeration racks, compressor packs, cold room refrigeration systems and applications requiring coordinated compressor and condenser capacity control.
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