AKC 115A
AKC Series • Refrigeration Controller
Quick Info
Output Functions
Display case controller with night blind and light control
Technical Specifications
Display & Interface
| Display Type | LED |
| Display Digits | 3 |
| Buttons | 4 |
| LED Indicators | Cool, Defrost, Fan, Light |
Power Supply
| Voltage | 230V AC |
| Voltage Range | 100-240V AC |
| Frequency | 50/60Hz |
| Power Consumption | 5VA |
Sensor Inputs
| Probe Inputs | 3 |
| Probe Type | NTC 10K |
| Temp Range | -50 to 90°C |
| Accuracy | ±0.5°C |
Relay Outputs
| Relay Outputs | 4 |
| Relay Rating | 8A/250VAC |
Physical
| Panel Size | 72x72 mm |
| Depth | 60 mm |
| IP Rating | IP65 (front) |
| Weight | 130 g |
Operating Conditions
| Operating Temp | -10 to 55°C |
| Storage Temp | -25 to 70°C |
Wiring Terminals
| Terminal | Function | Type | Wire Color |
|---|---|---|---|
| L | Power L | Input |
brown
|
| N | Power N | Input |
blue
|
| S1 | Air Probe | Input |
red/white
|
| S2 | Evap Probe | Input |
red/white
|
| S3 | Product Probe | Input |
red/white
|
| DI | Blind Sensor | Input |
gray
|
| K1 | Solenoid | Output |
black
|
| K2 | Defrost | Output |
black
|
| K3 | Fan | Output |
black
|
| K4 | Light | Output |
white
|
| LON | LON Bus | Comm |
shielded pair
|
Important: Always disconnect power before wiring. Verify terminal numbers with the actual controller label before connecting.
Parameter Settings
| Code | Parameter | Range | Default | Description |
|---|---|---|---|---|
| r01 | Setpoint Day | -50 to 50 | -2 °C | Daytime setpoint |
| r03 | Setpoint Night | -50 to 50 | -4 °C | Night setpoint with blind |
| r02 | Differential | 0.1 to 10 | 2 °C | Switching band |
| d01 | Defrost Type | 0-3 | 1 | 0=Off, 1=Electric, 2=Hot gas, 3=Off-cycle |
| L01 | Light Mode | 0-2 | 1 | 0=Off, 1=Scheduled, 2=With blind |
| L02 | Light On Time | 00:00 to 23:59 | 07:00 | Light turn on |
| L03 | Light Off Time | 00:00 to 23:59 | 21:00 | Light turn off |
| n01 | Night Blind | 0-1 | 0 | 0=Off, 1=Enabled |
Error Codes
Solution: Check S1
Solution: Check S2
Solution: Check S3
Solution: Check system
Frequently Asked Questions
Lower setpoint when blind is down saves energy
Schedule via L02/L03 or link to night blind
Alternative Models (Cross Reference)
Manufacturer Information
Brand: Danfoss
Country: Denmark