AKC 114A
AKC Series • Refrigeration Controller
Quick Info
Output Functions
Display case controller for multiplexed refrigeration
Technical Specifications
Display & Interface
| Display Type | LED |
| Display Digits | 3 |
| Buttons | 4 |
| LED Indicators | Cooling, Defrost, Fan, Alarm |
Power Supply
| Voltage | 230V AC |
| Voltage Range | 100-240V AC |
| Frequency | 50/60Hz |
| Power Consumption | 4VA |
Sensor Inputs
| Probe Inputs | 2 |
| Probe Type | NTC 10K |
| Temp Range | -50 to 90°C |
| Accuracy | ±0.5°C |
Relay Outputs
| Relay Outputs | 3 |
| Relay Rating | 8A/250VAC |
Physical
| Panel Size | 72x72 mm |
| Depth | 60 mm |
| IP Rating | IP65 (front) |
| Weight | 120 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
|
| K1 | Solenoid Valve | Output |
black
|
| K2 | Defrost | Output |
black
|
| K3 | Fan | Output |
black
|
| 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 | -50 to 50 | -2 °C | Air temperature setpoint |
| r02 | Differential | 0.1 to 10 | 2 °C | Switching band |
| o01 | Control Type | 0-1 | 0 | 0=Thermostat, 1=Modulating |
| d01 | Defrost Type | 0-3 | 1 | 0=Off, 1=Electric, 2=Hot gas, 3=Off-cycle |
| d02 | Defrost Interval | 1 to 48 | 8 h | Hours between defrosts |
| d06 | Defrost Sync | 0-1 | 1 | 0=Local, 1=Network sync |
| F01 | Fan Mode | 0-2 | 1 | 0=Off during defrost, 1=On, 2=With valve |
Error Codes
Solution: Check S1 probe
Solution: Check S2 probe
Solution: Check refrigeration
Solution: Check heater
Frequently Asked Questions
LonWorks network for connecting to AK system manager
Yes, set d06=1 for network synchronized defrost
Alternative Models (Cross Reference)
Manufacturer Information
Brand: Danfoss
Country: Denmark