Heosone
Heos Series • Refrigeration Controller
Quick Info
Output Functions
Next-generation controller with IoT connectivity
Technical Specifications
Display & Interface
| Display Type | LED |
| Display Digits | 4 |
| Buttons | 4 |
| LED Indicators | Status (RGB), WiFi, BLE |
Power Supply
| Voltage | 230V AC |
| Voltage Range | 100-240V AC |
| Frequency | 50/60Hz |
| Power Consumption | 4VA |
Sensor Inputs
| Probe Inputs | 3 |
| Probe Type | NTC 10K / PT1000 |
| Temp Range | -50 to 150°C |
| Accuracy | ±0.3°C |
Relay Outputs
| Relay Outputs | 4 |
| Relay Rating | 8A/250VAC |
Physical
| Panel Size | 71x29 mm |
| Depth | 65 mm |
| IP Rating | IP65 (front) |
| Weight | 100 g |
Operating Conditions
| Operating Temp | -10 to 60°C |
| Storage Temp | -25 to 70°C |
Wiring Terminals
| Terminal | Function | Type | Wire Color |
|---|---|---|---|
| L | Power L | Input |
brown
|
| N | Power N | Input |
blue
|
| B1 | Room Probe | Input |
red/white
|
| B2 | Evap Probe | Input |
red/white
|
| B3 | Aux Probe | Input |
red/white
|
| DI | Digital Input | Input |
gray
|
| K1 | Compressor | Output |
black
|
| K2 | Defrost | Output |
black
|
| K3 | Fan | Output |
black
|
| K4 | Aux | Output |
black
|
| +/- | 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 |
|---|---|---|---|---|
| SP | Setpoint | -50 to 150 | 5 °C | Temperature setpoint |
| rd | Differential | 0.1 to 25.5 | 2 °C | Control band |
| d0 | Defrost Type | 0-4 | 1 | Defrost method |
| d3 | Defrost Interval | 0 to 99 | 8 h | Hours between |
| d4 | Max Defrost | 1 to 180 | 30 min | Maximum time |
| Cn | Cloud Connect | 0-1 | 1 | 0=Off, 1=On |
| WF | WiFi Enable | 0-1 | 0 | 0=Off, 1=On |
Error Codes
Solution: Check B1
Solution: Check B2
Solution: Check B3
Solution: Check system
Solution: Check network
Frequently Asked Questions
Enable WiFi, connect to Carel Boss platform
Yes, via Carel Boss web or mobile app
Alternative Models (Cross Reference)
Manufacturer Information
Brand: Carel
Country: Italy