OT/USB Communication System


It is an electronic module that supports OpenTherm communication protocol and makes heating products, especially combi boilers, remotely configurable. By communicating with the boiler via OpenTherm, it can change its settings, read error messages, update operating parameters and control it. It has internet access using MQTT protocol with WiFi connection. In this way, remote monitoring and control of the boiler can be provided with Cloud Server integration. It is a communication module suitable for use in production lines or field service personnel.

Fields of Application

  • Boiler Production and Test Lines
  • OpenTherm Product Development Equipment
  • Service Personnel Field Vehicle Kits


Main Features

  • Universal OpenTherm protocol support
  • Cloud Server integration with WiFi internet access
  • Power and PC communication via USB port
  • WiFi connection setting button
  • Status notification LED


Technical Specifications

Supply Voltage 5VDC (USB)
Storage Temperature -20°C … +80°C
Operating Temperature -10°C … +60°C
Connections Boiler Connection Term. Blk. 3.81mm 4P Male

USB Connection: Micro USB

Communication PC: USB 2.0

Kombi: OpenTherm

WiFi: 802.11b, 802.11g, 802.11n, 2.4GHz

Accessories USB and OpenTherm Communication Cables

Cloud Server Software

PC Diagnostics Software


Standards and Regulations

EN 60335, EN 55014, EN 55032

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    Bağlantı Şeması Talep Et / Request Diagram

    Ürünlerimize ait bağlantı şemalarını talep etmek için lütfen formu doldurunuz. <strong>Please fill out the form to request connection diagrams of our products.</strong>