MCX15B
MCX Series • Refrigeration Controller
Quick Info
Output Functions
Programmable single compressor controller
Technical Specifications
Display & Interface
| Display Type | LCD |
| Display Digits | 4 |
| Buttons | 6 |
| LED Indicators | Comp, Defrost, Fan, Alarm, Network |
Power Supply
| Voltage | 24V AC/DC |
| Voltage Range | 20-28V AC/DC |
| Frequency | 50/60Hz |
| Power Consumption | 8VA |
Sensor Inputs
| Probe Inputs | 6 |
| Probe Type | NTC/PT1000/4-20mA |
| Temp Range | -60 to 150°C |
| Accuracy | ±0.2°C |
Relay Outputs
| Relay Outputs | 6 |
| Relay Rating | 8A/250VAC |
Physical
| Panel Size | 96x96 mm |
| Depth | 75 mm |
| IP Rating | IP65 (front) |
| Weight | 320 g |
Operating Conditions
| Operating Temp | -30 to 60°C |
| Storage Temp | -40 to 80°C |
Wiring Terminals
| Terminal | Function | Type | Wire Color |
|---|---|---|---|
| +24V | Power +24V | Input |
red
|
| 0V | Power 0V | Input |
blue
|
| AI1-AI6 | Analog Inputs | Input |
various
|
| DI1-DI4 | Digital Inputs | Input |
gray
|
| K1 | Compressor | Output |
black
|
| K2 | Defrost | Output |
orange
|
| K3 | Fan | Output |
green
|
| K4 | Light | Output |
yellow
|
| K5 | Alarm | Output |
red
|
| K6 | Aux | Output |
white
|
| AO1 | 0-10V Output 1 | Output |
orange
|
| AO2 | 0-10V Output 2 | Output |
orange
|
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 | -60 to 50 | 0 °C | Temperature setpoint |
| r02 | Differential | 0.1 to 20 | 2 °C | Switching differential |
| d01 | Defrost Type | 0-4 | 1 | Defrost method |
| d02 | Defrost End | 0 to 25 | 8 °C | Termination temp |
| d03 | Max Defrost | 0 to 180 | 30 min | Maximum duration |
| d10 | Defrost Schedule | 0-8 | 4 | Times per day |
| F01 | Fan Mode | 0-3 | 1 | Fan control mode |
| A01 | High Alarm | r01 to 50 | 10 °C | High temp alarm |
| A02 | Low Alarm | -60 to r01 | -10 °C | Low temp alarm |
| o01 | Network Address | 1 to 247 | 1 | Modbus address |
Error Codes
Solution: Check AI1 sensor
Solution: Check AI2 sensor
Solution: Check network connection
Solution: Check refrigeration system
Solution: Check condenser
Solution: Check charge
Frequently Asked Questions
Press SET for 5 seconds to enter menu
Use MCX Tool software to configure IP address
Alternative Models (Cross Reference)
Manufacturer Information
Brand: Danfoss
Country: Denmark