Room thermostat II 230 V help

You can connect a cable with an external temperature sensor to the sensor input and use it as a floor sensor, for example. The sensor cable is available as an optional accessory.

Your Room thermostat II / Room thermostat II 230 V is still functional. It logs on to the Smart Home controller again only after a short time.

Our Bosch Smart Home Room thermostat II has a protection class of IP 20.

• The first digit "2" stands for "protected against solid foreign bodies with a diameter of less than 12.5 mm" and "protected against access with a finger".
• The second digit "0" indicates that the electrical device is not protected against water and moisture.

Our Bosch Smart Home Room thermostat II 230 V has a protection class of IP 21.

• The first digit "2" stands for "protected against solid foreign bodies with a diameter of less than 12.5 mm" and "protected against access with a finger".
• The second digit "1" indicates that the electrical device is additionally protected against vertically falling dripping water.

No, the display does not allow the thermostat to be mounted upside down (upside down is not readable).

Use the labeling as a guide when mounting the flush-mounted unit.

When placing the operating unit, pay attention to the guide elements on the flush-mounted unit and proceed carefully to avoid damage to the rear.

Please ask your heating installer or look for the type plate of your valve in the heating circuit manifold.

Alternatively, connect the thermostat first, set the temperature to maximum and wait several minutes. If it gets warm, you have the correct valve type. Otherwise, you must select the alternative type (normally closed/open) in the device settings.

To adjust the valves of your underfloor heating, proceed as follows:

If you have not yet connected the Room thermostat II 230 V to the Smart Home controller, call up the configuration menu with a long button press (at least 3 seconds) on the setting wheel and set or change the valve type. For this, see Installer mode in the Quick Start Guide on page 15.

After connecting to the smart home system, the adjustment of the setting is possible at any time in the app via the device settings of the thermostat.

Due to the potential-free contact, electric floor heating systems can be connected in addition to water-bearing floor heating systems with servomotors, provided that the maximum load is 3A. In addition, we recommend the use of a floor sensor as a protective function for electric underfloor heating.

Please make sure that there is a flush-mounted box with a depth of min. 35mm behind the thermostat. If this is not the case, please get assistance from a qualified electrician.

Currently we cannot offer you any historical data yet.

The pause symbol in the display of the Room thermostat II / Room thermostat II 230 V means that the valve is closed and no more control takes place. This is the case, for example, when the "Heating pause" is active in the "Climate manager" service.

The frost protection function and the limescale protection remain active during this time.

To activate the parental control of the Room thermostat, please open the Bosch Smart Home App and then the device settings. Then select the corresponding Room thermostat II / Room thermostat II 230 V and set the "Child lock" option to "on".

In addition, the child lock can also be activated by pressing the system key for 3 seconds until the "LCK" display appears.

The sensor in the Twinguard is a multiple sensor that can measure temperature and humidity in addition to VOC. Due to the specific requirements for Smoke alarms, the measurement of temperature is only possible at regular intervals and not dynamically after temperature changes.

The humidity is shown on the display of the device, as well as in the Bosch Smart Home app under the room overview.

To activate the lighting of your Bosch Smart Home Room thermostat II or Room thermostat II 230 V, briefly press the system button on the control unit.

With the Room thermostat II 230 V, you can also turn the system key for this purpose.

Under Menu >> Services >> Climate Manager>> Heating Pause & Cooling you can activate or deactivate the heating pause room by room.

After activation, the heating pause is indicated by a pause symbol on the display of the corresponding thermostats and a note in the Smart Home app.

The thermostats are then switched off in summer, for example. Scenarios and automations then ignore the temperature settings for the corresponding room.

The prerequisite for using the cooling function on the Room thermostat II 230V is Underfloor-heating in connection with a heat pump.

The heat pump must also support a cooling function.

Yes, this is possible. Please refer to the notes on "Installer mode" on page 12 in the enclosedQuick guide.

Yes, the Room thermostat II 230 V has, like the Radiator thermostat II, an automatic valve protection function or a calcification protection. This starts every Saturday at 11 o'clock.

The display shows the measured actual temperature by default. By turning the dial, you can set the desired target temperature, which changes back to the actual temperature after a short appearance.

This setting can be made in the installation wizard or on the device configuration page in your Bosch smart home system app.

To reset the Room thermostat II 230 V, remove the operating unit from the flush-mounted component.

When resetting, keep the setting wheel pressed until "RES" appears in the display.

Release the setting wheel and press it again until the LED strip flashes green. The device will then restart.

Check whether the display on the device shows error indications, such as the connection status by means of the radio symbol. Follow the corresponding instructions in the enclosedInstruction manual. Also watch out for error messages in the app.

If the display no longer shows anything and gives no further indications, the power supply may have been interrupted.

The communication between Room thermostat II / Room thermostat II 230 V and the Bosch Smart Home controller takes place via the radio standard Zigbee (2,4Ghz)

Room thermostat II 230 V requires a 230 V power supply. It has a switch actuator(Relay) to switch air conditioning systems with wired control (with and without potential).

Room thermostat II is powered by 4xAAA batteries. It does not have its own Relay (no switching actuator) and can only send information to other smart end devices via radio, through the controller.

Each device records the sensor values for itself at its location. Due to measurement tolerances and local conditions as well as different positions in the room (ceiling, wall, windows, doors), the measured values can be different.

No, this is currently not possible for technical reasons

Instructions for installing the Bosch Smart Home Room thermostat II 230 V are included in theQuick Start Guideto be taken from the operating instructions. Installation may only be carried out by a qualified electrician.

If your heating does not work in a room, please have an electrician check the connections on the Room thermostat II 230 V for correct wiring. When using 230V actuators, please use the included jumper. Please also note the max. ohmic switching capacity of 3A.

If your Room thermostat II 230 V does not go off, check and change the valve type setting (de-energized open/de-energized closed) in the Smart Home App according to your heater type.

In addition, the wiring at the Room thermostat II 230 V and the actuator should be checked by a qualified electrician.

When using actuators, perform a visual inspection on the valve for possible defects. Please also check whether the cooling mode has been activated by mistake.

The heater type setting in the app adjusts parameters and control for boiler (floating), floor heating (or other 230V application) and radiator (radio-only application, switching output is not used) respectively.

Yes, temperature adjustment is also possible with our Room thermostats, just like with our Bosch Smart Home Radiator thermostats. To do so, open the device settings of your Bosch Smart Home app and select the corresponding device under "Room thermostats". You now have the option of setting up the temperature adjustment according to your needs, for example, to compensate for differences between the measured values at the Room thermostat and a reference sensor.

Note that underfloor heating, for example, requires a little more time to heat up a room due to its energy-efficient way of heating. Plan for this heating time when you store different heating times or heating profiles via the Bosch Smart Home app.

Our Room thermostat II 230 V can switch a resistive load of up to 3A. Inductive loads can be switched up to 1A.

No, the "fast heat up" function in the Smart Home app is intended for our smart Radiator thermostats.

The thermostat itself does not have ventilation detection. However, in combination with a Door/window contact from Bosch Smart Home, it indicates an open window and can automatically turn off the heating in the room.

Room thermostat II 230 V controls, for example, an actuator on the existing heating circuit manifold. In some systems, several heating loops are controlled via an actuator, which do not necessarily have to run in the same room (e.g. open first floor without partition walls). Likewise, it would theoretically be possible to run a heating loop across several rooms (e.g. if an open kitchen is subsequently separated from the living room by a wall). Only in the constellations described would control across room boundaries be possible, due to the structural requirements.

Room thermostat II 230 V is not suitable for installation in switch series due to the product's external dimensions of 86 x 87 mm.