Contents Preface ......................2 General ..............2 Location ......................3 Position of the regulator ........3 Installation and connection .........3 Commissioning ..................5 Fitted control unit ..........5 3.1.1 Control ..............5 3.1.2 Default setting ............5 Settings .......................6 Changing the settings ..........6 4.1.1 Modifying the temperature ........6 4.1.2 Menu structure ............6 User settings ............7...
1. Preface Preface General The Opentherm Modulating room thermostat is a simple modulating room thermostat based on the OpenTherm SmartPower protocol. Certain De Dietrich boiler types offer other functions in addition to the room thermostat function. These functions include setting parameters.
Installation and connection Before you can connect the controller, you must first: 1. Adjust the boiler so that it can be connected to a OpenTherm controller. See the installation and service manual for the boiler. 2. Shut down the boiler.
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Opentherm Modulating room thermostat 2. Location 5. Connect the controller to the OpenTherm connection of the boiler, and to the OT connection of the controller. OpenTherm is not sensitive to polarity. The wires are interchangeable. R000080-A 6. Place the front panel back in the housing.
3. Commissioning Opentherm Modulating room thermostat Commissioning Fitted control unit 3.1.1. Control Display Rotary and push button for setting the controller The controller is menu-controlled, which means it is very simple to operate. The controller has just 1 button. The button is both a rotary button and a push button.
Opentherm Modulating room thermostat 4. Settings Settings Changing the settings 4.1.1. Modifying the temperature Set temperature Measured temperature 4 Turn the button to set the ambient temperature. 4 Press the button to confirm. R000077-A 4.1.2. Menu structure To access the menu, proceed as follows: 4 Press the rotary and push button for at least 3 sec.
4. Settings Opentherm Modulating room thermostat User settings User menu W 4.2.1. Code Meaning Information Settings Factory setting Zvt; = Automatic position The ECO mode turns off the DHW standby DHW standby function. In combi boilers the waiting time 0M = Start Zvt;...
Opentherm Modulating room thermostat 4. Settings Symbol Meaning Current water pressure (Only boilers with a water pressure sensor) Current heat output of boiler 5;ft Control system software version Installer menu ? 4.3.2. In this menu, the installer can—depending on the boiler—adjust some of the functions and access information.
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4. Settings Opentherm Modulating room thermostat Settings > Service menu K WARNING Reset the service message after the boiler service has been carried out. This can be the active message or the next message. If zzzz is displayed in the service menu, the boiler will not show a service code.
Top up the water in the central heating system. See the f217 installation and service manual for the boiler. Your boiler may not support OpenTherm SmartPower is required for the backlight. the OpenTherm In boilers without OpenTherm SmartPower, the Opentherm SmartPower.
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