AK-PC 530
AK-PC Series • Refrigeration Controller
Quick Info
Output Functions
Basic pack controller for small compressor racks
Technical Specifications
Display & Interface
| Display Type | LCD |
| Display Digits | 4 |
| Buttons | 6 |
| LED Indicators | Run, Alarm, Network |
Power Supply
| Voltage | 230V AC |
| Voltage Range | 100-240V AC |
| Frequency | 50/60Hz |
| Power Consumption | 10VA |
Sensor Inputs
| Probe Inputs | 4 |
| Probe Type | NTC / PT1000 / 4-20mA |
| Temp Range | -50 to 200°C |
| Accuracy | ±0.2°C |
Relay Outputs
| Relay Outputs | 6 |
| Relay Rating | 16A/250VAC (x2), 8A (x4) |
Physical
| Panel Size | DIN Rail mm |
| Depth | 120 mm |
| IP Rating | IP20 |
| Weight | 450 g |
Operating Conditions
| Operating Temp | -10 to 55°C |
| Storage Temp | -25 to 70°C |
Wiring Terminals
| Terminal | Function | Type | Wire Color |
|---|---|---|---|
| L/N | Power 230VAC | Input |
brown/blue
|
| S1 | Suction Pressure | Input |
4-20mA
|
| S2 | Discharge Pressure | Input |
4-20mA
|
| S3 | Suction Temp | Input |
PT1000
|
| S4 | Ambient Temp | Input |
NTC
|
| K1-K3 | Compressors 1-3 | Output |
black
|
| K4 | Fan Low | Output |
black
|
| K5 | Fan High | Output |
black
|
| K6 | Alarm | Output |
red
|
| LON | LON Bus | Comm |
shielded
|
| A/B | RS485 | Comm |
yellow/green
|
Important: Always disconnect power before wiring. Verify terminal numbers with the actual controller label before connecting.
Parameter Settings
| Code | Parameter | Range | Default | Description |
|---|---|---|---|---|
| P01 | Suction SP | -1.0 to 20 | 2.5 bar | Suction pressure setpoint |
| P02 | Neutral Band | 0.1 to 3 | 0.5 bar | Dead band |
| P03 | Discharge SP | 5 to 40 | 18 bar | Discharge pressure setpoint |
| c01 | Compressors | 1 to 3 | 3 | Number of compressors |
| c03 | Start Delay | 0 to 10 | 2 min | Min time between starts |
| F01 | Fan Control | 0-2 | 1 | 0=Off, 1=Stepped, 2=VFD |
| A01 | LP Alarm | -1.0 to P01 | 0.5 bar | Low pressure alarm |
| A02 | HP Alarm | P03 to 50 | 28 bar | High pressure alarm |
Error Codes
Solution: Check charge, leaks
Solution: Check condenser
Solution: Check thermal
Solution: Check 4-20mA
Frequently Asked Questions
Up to 3 compressors with basic staging
Yes, adjusts P03 based on ambient
Alternative Models (Cross Reference)
Manufacturer Information
Brand: Danfoss
Country: Denmark