Carel

Heosone

Heos Series • Refrigeration Controller

Heosone

Quick Info

Type Refrigeration
Application Commercial Refrigeration
Probe Inputs 3
Relay Outputs 4
Communication WiFi / BLE / RS485 Modbus
Panel Size 71x29 mm

Output Functions

R1 Compressor
R2 Defrost
R3 Fan
R4 Aux

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

E1 Probe 1 error

Solution: Check B1

E2 Probe 2 error

Solution: Check B2

E3 Probe 3 error

Solution: Check B3

Hi High temp

Solution: Check system

WFE WiFi error

Solution: Check network

Frequently Asked Questions

Alternative Models (Cross Reference)

Heez IR33+ Danfoss MCX06D

Manufacturer Information

Brand: Carel

Country: Italy

Visit Manufacturer Website