Bosch BTH-RM

Model	BTH-RM
Vendor	Bosch
Description	Room thermostat II (Battery model)
Exposes	climate (local_temperature, occupied_heating_setpoint, local_temperature_calibration, system_mode, running_state), humidity, boost, window_detection, lock (state), display_ontime, display_brightness, battery_low, voltage, linkquality
Picture

Notes

Pairing

To pair this device you have to install the device via its installation code. The installation code can be obtained by scanning the QR-code on the inside of the battery cover with your smartphone. Then get the device into pairing mode. In zigbee2mqtt navigate to "Settings" --> "Tools" and click on "Add install code". Paste the code you got from the QR-code and confirm by clicking "OK" which will get zigbee2mqtt into pairing mode automatically. Wait for your device to be joined.

Factory resetting

To factory reset the device remove one of the batteries. While pressing and holding the device's main button on the front, insert the battery back. As soon as the device's LED is starting to blink orange while showing "RES", release the main button and press and hold it again until the device's LED is lighting up green. The device will then restart into the calibration process and look for a Zigbee network to join. In case something went wrong, the device's LED will start to blink red. The process has then to be start all over again.

Options

How to use device type specific configuration

• humidity_calibration: Calibrates the humidity value (absolute offset), takes into effect on next report of device. The value must be a number.

• humidity_precision: Number of digits after decimal point for humidity, takes into effect on next report of device. This option can only decrease the precision, not increase it. The value must be a number with a minimum value of 0 and with a with a maximum value of 3

• thermostat_unit: Controls the temperature unit of the thermostat (default celsius). The value must be one of celsius, fahrenheit

Exposes

Climate

This climate device supports the following features: local_temperature, occupied_heating_setpoint, local_temperature_calibration, system_mode, running_state.

• occupied_heating_setpoint: Temperature setpoint. To control publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"occupied_heating_setpoint": VALUE} where VALUE is the °C between 5 and 30. To read send a message to zigbee2mqtt/FRIENDLY_NAME/get with payload {"occupied_heating_setpoint": ""}.
• local_temperature: Current temperature measured on the device (in °C). To read send a message to zigbee2mqtt/FRIENDLY_NAME/get with payload {"local_temperature": ""}.
• system_mode: Mode of this device. To control publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"system_mode": VALUE} where VALUE is one of: off, heat, auto. To read send a message to zigbee2mqtt/FRIENDLY_NAME/get with payload {"system_mode": ""}.
• running_state: The current running state. Possible values are: idle, heat. To read send a message to zigbee2mqtt/FRIENDLY_NAME/get with payload {"running_state": ""}.
• local_temperature_calibration: Offset to add/subtract to the local temperature. To control publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"local_temperature_calibration": VALUE}.To read send a message to zigbee2mqtt/FRIENDLY_NAME/get with payload {"local_temperature": ""}.The minimal value is -12 and the maximum value is 12 with a step size of 0.5.

Humidity (numeric)

Measured relative humidity. Value can be found in the published state on the humidity property. It's not possible to read (/get) or write (/set) this value. The unit of this value is %.

Boost (binary)

Activate Boost heating. Value can be found in the published state on the boost property. To read (/get) the value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/get with payload {"boost": ""}. To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"boost": NEW_VALUE}. If value equals ON boost is ON, if OFF OFF.

Window detection (binary)

Window open. Value can be found in the published state on the window_detection property. To read (/get) the value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/get with payload {"window_detection": ""}. To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"window_detection": NEW_VALUE}. If value equals ON window detection is ON, if OFF OFF.

Child lock (lock)

The current state of this lock is in the published state under the child_lock property (value is LOCK or UNLOCK). To control this lock publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"child_lock": "LOCK"} or {"child_lock": "UNLOCK"}. To read the current state of this lock publish a message to topic zigbee2mqtt/FRIENDLY_NAME/get with payload {"child_lock": ""}.

Display ontime (numeric)

Specifies the display On-time. Value can be found in the published state on the display_ontime property. To read (/get) the value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/get with payload {"display_ontime": ""}. To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"display_ontime": NEW_VALUE}. The minimal value is 5 and the maximum value is 30.

Display brightness (numeric)

Specifies the brightness value of the display. Value can be found in the published state on the display_brightness property. To read (/get) the value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/get with payload {"display_brightness": ""}. To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"display_brightness": NEW_VALUE}. The minimal value is 0 and the maximum value is 10.

Battery low (binary)

Indicates if the battery of this device is almost empty. Value can be found in the published state on the battery_low property. It's not possible to read (/get) or write (/set) this value. If value equals true battery low is ON, if false OFF.

Voltage (numeric)

Voltage of the battery in millivolts. Value can be found in the published state on the voltage property. It's not possible to read (/get) or write (/set) this value. The unit of this value is mV.

Linkquality (numeric)

Link quality (signal strength). Value can be found in the published state on the linkquality property. It's not possible to read (/get) or write (/set) this value. The minimal value is 0 and the maximum value is 255. The unit of this value is lqi.