Modbus Opentherm WIFI 16 zones Wireless communicator for water underfloor centralized control heating system

Short Description:

HR-03 wireless communicator is designed to control the actuators (servo drives) of valves that control the circulation of the coolant through the heating system circuits (floor and radiator), based on radio signals
received from room thermostats, measuring the temperature in the room and comparing the values with the set ones. The communicator ensures optimal energy consumption, a comfortable climate for each individual room and the correct operation of all elements of the heating system. Performs simultaneous temperature control of  max. 16 rooms (zones).

The communicator has relay outputs for controlling the operation of the boiler and circulation of pump.

Only wireless thermostats as WT-08/WT-11/WT-18/WT-20 can be used with this communicator.


  • Item No.: HR-03
  • Supply voltage: 230Vac
  • Boiler Ouput: Voltage-free (default) or 230V
  • Thermal actuator/Valves Output: 230V
  • Multi-Zones: 16 Zones
  • WIFI Function : Optional
  • Opentherm Protocal : Optional
  • Modbus: Optional
  • Certificate : CE, ROHS
  • Product Detail

    Technical Data

    FAQ

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  • Name  16 Zones Wireless Communicator for water underfloor heating 
    Power Supply 230Vac
    Boiler Output Voltage-free output
    Pump Output 230Vac output
    Boiler & Pump Delay Time N/A
    Thermal actuators  Each zone control up to 5pcs; NO/NC, support 230Vac or 24Vac
    Ambient Temp. 0~50 ℃
    Relative Humidity 85%
    RF Distance N/A
    Protection Class IP20
    Thermostat Dimension 353x158x60mm
    Materils  ABS+PC (Rohs certificated)
    Optional Function WIFI; Opentherm
    Certificate CE(RED/EMC/LVD), Rohs
    OEM  1. Customized logo and package
    2. Customzied software ( change to customer’s user interface and control logic
    3. Customized hardware ( change the PCB and schematic based on the request)

    Q1: Are you a manufacturer or trading company?
    A:We are professional manufacturer of electric heating boiler, electric heating faucet and electric water heater with over 10 years experiences.

    Q2: What is your sample policy?
    A:Our sample fee is refundable, the sample cost can be returned to you with your bulk order.

    Q3: What is the production lead time?
    A:The delivery time will be according to the purchase quantity 25-35 working days.

    Q4: Will you provide technical promotion support?
    A:Of course, we can provide corresponding pictures and videos to you

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