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Zigbee devices Thermostats and radiator valves

Sber SBDV-00205

Smart Thermostat. Works with Zigbee2MQTT with no vendor hub or cloud: it pairs with a Zigbee stick and shows up in Home Assistant.

Vendor
Sber
Model
SBDV-00205
Type
Thermostats and radiator valves
Power
mains: usually a router that extends the mesh
Firmware updates (OTA)
yes, through Zigbee2MQTT

Find it in shops: AliExpress

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What it exposes

FeaturePropertyValuesControl
Emergency overcurrentemergency_overcurrent—read only
Emergency overheatemergency_overheat—read only
Emergency no loademergency_no_load—read only
Sensor error remote disconnectedsensor_error_remote_disconnected—read only
Sensor error local disconnectedsensor_error_local_disconnected—read only
Sensor error short circuitsensor_error_short_circuit—read only
Status heat inefficientstatus_heat_inefficient—read only
Status antifroststatus_antifrost—read only
Status invalid timestatus_invalid_time—read only
Keypad lockoutkeypad_lockoutunlock, lock1settable
Climateoccupied_heating_setpoint, local_temperature, system_mode, local_temperature_calibration, control_sequence_of_operation, running_modeheating setpoint, room temperature, mode, local_temperature_calibration, control_sequence_of_operation, running_mode, running statesettable
Clear weekly scheduleclear_weekly_scheduleClearsettable
Programming operation modeprogramming_operation_modesetpoint, schedulesettable
Abs min heat setpoint limitabs_min_heat_setpoint_limit°Cread only
Abs max heat setpoint limitabs_max_heat_setpoint_limit°Cread only
Min heat setpoint limitmin_heat_setpoint_limit°C · 1…35settable
Max heat setpoint limitmax_heat_setpoint_limit°C · 5…50settable
Scheduleweekly_schedule—read only
Min local temperature limitmin_local_temperature_limit°C · 1…35settable
Max local temperature limitmax_local_temperature_limit°C · 5…50settable
Heating hysteresisheating_hysteresis°C · 1…10settable
Device temperaturedevice_temperature°Cread only
Temperaturetemperature°Cread only
VoltagevoltageVread only
CurrentcurrentAread only
PowerpowerWread only
Upper current thresholdupper_current_thresholdmA · 100…16000settable
Temperature thresholdtemperature_threshold°C · -200…200settable
Sensor typesensor_type4p7K, 6p8K, 10K, 12K, 15K, 33K, 47Ksettable
Sensor modesensor_modelocal, remote, bothsettable
Remote temperatureremote_temperature°C · -273.15…327.67settable
Remote temperature calibrationremote_temperature_calibration°C · -12.8…12.7settable
Remote sensor timeoutremote_sensor_timeout1…65535settable
Output modeoutput_modenormal, invertedsettable
Brightness operations modebrightness_operations_mode0…1000settable
Brightness steady modebrightness_steady_mode0…1000settable
Identifyidentifyidentifysettable
Rtc statusrtc_status—read only
Serial Numberserial_number—read only
Resets countresets_count—read only
Uptimeuptimesread only
Button clicks count 1button_clicks_count_1—read only
Button clicks count 2button_clicks_count_2—read only
Button clicks count 3button_clicks_count_3—read only
Relay switches count 1relay_switches_count_1—read only

MQTT: state and commands

Zigbee2MQTT publishes the device state to zigbee2mqtt/my_device (my_device is the name you give the device). An example message:

{
  "emergency_overcurrent": false,
  "emergency_overheat": false,
  "emergency_no_load": false,
  "sensor_error_remote_disconnected": false,
  "sensor_error_local_disconnected": false,
  "sensor_error_short_circuit": false,
  "status_heat_inefficient": false,
  "status_antifrost": false,
  "status_invalid_time": false,
  "keypad_lockout": "unlock",
  "occupied_heating_setpoint": 21,
  "local_temperature": 20.5,
  "system_mode": "heat",
  "clear_weekly_schedule": "Clear",
  "linkquality": 120
}

Send commands to zigbee2mqtt/my_device/set:

mosquitto_pub -t zigbee2mqtt/my_device/set -m '{"occupied_heating_setpoint":21.5}'
mosquitto_pub -t zigbee2mqtt/my_device/set -m '{"system_mode":"heat"}'
mosquitto_pub -t zigbee2mqtt/my_device/set -m '{"keypad_lockout":"lock1"}'
mosquitto_pub -t zigbee2mqtt/my_device/set -m '{"programming_operation_mode":"schedule"}'
mosquitto_pub -t zigbee2mqtt/my_device/set -m '{"sensor_type":"6p8K"}'

Watch the topics live from the browser: MQTT client.

Home Assistant automation example

Zigbee2MQTT creates Home Assistant entities from the device name. If it is called my_device, an automation in automations.yaml can look like this:

- alias: "Cooler at night"
  mode: single
  triggers:
    - trigger: time
      at: "23:00:00"
  actions:
    - action: climate.set_temperature
      target:
        entity_id: climate.my_device
      data:
        temperature: 18

Check the YAML: YAML checker.

How to pair it

  1. In Zigbee2MQTT click Permit join.
  2. Put the device in pairing mode: usually a long press of the reset button (5–10 s) until the LED blinks; bulbs: switch the power off and on 5–6 times.
  3. Keep the device close to the coordinator or a router while pairing.
  4. Give it a clear name: MQTT topics and Home Assistant entities are built from it.

Exact procedure and model notes: the device page in the Zigbee2MQTT docs. No coordinator yet: coordinator picker.

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