Schneider Electric · EnvironmentalMEG5779

Merten Connected Room Temperature Controller. Exposes a heating setpoint and an operating mode.

Schneider Electric MEG5779 device photograph
Photograph: Zigbee2MQTT (GPL-3.0)

Connection

EpiSensor Gateway with Zigbee radio running Edge

Documented Zigbee support describes the path Edge would use. It is not an EpiSensor compatibility claim for this model.

Readings and controls

What the pinned upstream definition exposes for this exact model. Units and ranges are only shown when that source states them.

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Name Type Access Unit Range
climate climate
local_temperature numeric Read °C
occupied_heating_setpoint numeric Read and write °C 4–30
unoccupied_heating_setpoint numeric Read and write °C 4–30
occupied_cooling_setpoint numeric Read and write °C 4–30
unoccupied_cooling_setpoint numeric Read and write °C 4–30
system_mode enum Read and write
running_state enum Read
pi_heating_demand numeric Read and write % 0–100
max_heat_setpoint_limit numeric Read and write °C 4–30
min_heat_setpoint_limit numeric Read and write °C 4–30
max_cool_setpoint_limit numeric Read and write °C 4–30
min_cool_setpoint_limit numeric Read and write °C 4–30
display_brightness_active numeric Read and write % 0–100
display_brightness_inactive numeric Read and write % 0–100
display_active_timeout numeric Read and write seconds 5–600
temperature_display_mode enum Read and write
keypadLockout enum Read and write
thermostat_application enum Read and write
heating_fuel enum Read and write
heat_transfer_medium enum Read and write
heating_emitter enum Read and write

Commissioning

A live socket is not a live measurement. Prove the decode, then keep the map.

  1. Pair the device on the Gateway Zigbee radio in Edge.

  2. Confirm the reported manufacturer and model match this page.

  3. Prove one known reading or control before enabling the rest of the points.

Sources

  1. Schneider Electric/MEG5779 (opens in a new tab) zigbee-herdsman-converters · v26.111.0

Built from the pinned Device Directory snapshot. Product names and trademarks belong to their respective owners; publication does not imply endorsement, a commercial relationship, or that EpiSensor has tested this model.