HCA151DW-3 Exigo Ardo - Configurable 24 V heating controller

This product is discontinued

Exigo Ardo are controllers for heating and boiler control that make every step from installation to operation and maintenance easier than ever. Simply connect the controller, enter any settings as desired and start up. It can be used either stand-alone or integrated into a network. It has built-in support for many different languages and is designed for mounting on a DIN-rail or in a cabinet door.

The Exigo* controllers are BTL listed, click here to go to the BACnet International website where you'll find PICS documents and more information.

Click here to visit our application selector site where you can find pre-programmed application examples. If you like, you can use them as they are or modify them for your needs using Application tool. There are pictures showing each example to help you find the right one.

Specifications for HCA151DW-3
Inputs/Outputs 15
Communication ports 1
Specifications for Exigo Ardo - Configurable 24 V heating controller
Supply voltage 24 V AC ± 15 %, 50...60 Hz or 21...36 V DC
Ambient temperature 0…50°C
Storage temperature -20…+70°C
Ambient humidity Max. 95 % RH
Protection class IP20
Connection Disconnectable terminal strips, 4 mm2
Memory backup Built-in long life battery gives long backup time of all settings incl. real time
Display Backlit LCD, 4 rows of 20 characters
Mounting DIN-rail or cabinet
Casing Standard Euronorm (8.5 modules wide)
Dimensions (WxHxD) 149 x 121 x 60mm
Ethernet EXOline, Modbus, BACnet/IP, CLOUDigo
RS485 EXOline, Modbus, BACnet MS/TP
M-Bus M-Bus communication
Analogue inputs (AI) For PT1000 sensors (accuracy ± 0.4°C), Ni1000 sensors or 0...10 V DC (accuracy ± 0.15 % of full output signal). 12 bit resolution in the A/D conversion.
Digital inputs (DI) For potential-free contacts
Universal inputs (UI) AI or DI
Analogue outputs (AO) 0...10 V DC, 1 mA, short-circuit protected
Digital outputs (DO) Mosfet outputs, 24 V AC or DC, 2 A continuous. Max. 8 A in total.

External display


3 m cable for connecting an external display


10 m cable for connecting an external display


External touch screen display




Ardo expansion unit with15 I/O:s


Ardo expansion unit with 28 I/O:s


Vido expansion unit with 19 I/O:s


Cable for RS232 connection


Cable for USB connection


Cable for TCP/IP connection directly to a PC


Set of plug-in terminals for models with 15 I/O:s


Set of plug-in terminals for models with 28 I/O:s


Front mounting kit, room for one controller