Schneider Electric WDE002497

Floor heating thermostat

A flush-mounted 230 V Zigbee thermostat from Schneider Electric’s Exxact range that switches up to 16 A of electric heating through its own relay, controlling on room temperature or a floor probe, with a touch screen.

Also sold asSchneider Electric Exxact connected thermostat

Schneider Electric WDE002497
  • Zigbee

Floor heating thermostat

Compatibility

Compatible with EpiSensor Edge over Zigbee.

Pair it with the Zigbee radio on an EpiSensor Gateway. Edge reads it locally on the Gateway.

Edge reads 25 values from it, listed under Interface.

Connect it with

Specifications

It can control on the air temperature at the thermostat or on an external floor probe, which matters for underfloor heating where the floor surface must not overheat. The floor input accepts 2 kΩ, 10 kΩ, 12 kΩ, 15 kΩ, 33 kΩ and 47 kΩ probes, the values used by Alre, OJ, DEVI, Eberle and other makers, so a probe from another make can often stay in place. Control can be on/off or proportional (PI), and the setpoint and its limits run from 4 to 40 °C in 0.5 °C steps.23

Power
Mains. 230 V AC, 50 Hz, wired to screw terminals. The same supply feeds the heating load through the 16 A relay.1
Relay rating
16 A resistive1
Application
Electric floor and room heating1
Setpoint range over Zigbee
4 to 40 °C, 0.5 °C steps3
Floor probe types
2 kΩ, 10 kΩ, 12 kΩ, 15 kΩ, 33 kΩ, 47 kΩ3
Floor probe correction
-9 to 9 °C2
Control
On/off or PI2
Wireless
Zigbee, 2.4 GHz1
User interface
Touch screen, heating LED1
Mounting
Flush, fixed by screws, screw terminals1
Dimensions
72.5 × 72.5 × 43 mm1
Protection
IP311
Standards
EN 60730-1, EN 60730-2-9, EN 300 328, EN 505661

Where it is used

Interface

Readings and settings, with units and ranges where Schneider Electric publishes them. readable, readable and writable.

Download
ReadingUnitRange or valuesAccess
Measurements 8
Climate - - Read only
Local temperature °C - Read only
Running state - idleheat Read only
Pi heating demand % 0 to 100 % Read only
Control sequence of operation - cooling_onlyheating_only Read only
Power W - Read only
Energy kWh - Read only
Control status - Normal OperationNo TemperatureRemote Demand OverrideWindow OpenLocal Force OnMaintenanceOutput Temporal LimitSensor Fault Read only
Controls 2
Occupied heating setpoint °C 4 to 40 °C Read and write
System mode - offheat Read and write
Settings 15
Max heat setpoint limit °C 4 to 40 °C Read and write
Min heat setpoint limit °C 4 to 40 °C Read and write
Fixed load demand W 0 to 3,600 W Read and write
Display brightness active % 0 to 100 % Read and write
Display brightness inactive % 0 to 100 % Read and write
Display active timeout seconds 5 to 600 seconds Read and write
Local temperature source select - AmbientExternal Read and write
Control type - On/OffPINone Read and write
Thermostat application - Occupied SpaceFloorNot known Read and write
Heating emitter - NoneRadiatorFan Assisted RadiatorRadiant PanelFloorNot specified Read and write
Heating output mode - DisabledRelay Read and write
Temperature sensor correction floor °C -9 to 9 °C Read and write
Temperature sensor type floor - 2kΩ sensor from HRT/Alre10kΩ sensor from B+J12kΩ sensor from OJ15kΩ sensor from DEVI33kΩ sensor from EBERLE47kΩ sensor from CTMNo sensor Read and write
Temperature display mode - celsius Read and write
Child lock - Binary state Read and write

Fixed load demand is the heater load in watts, from 1 to 3600 W. The thermostat reports it as power while heating is on, and running state is derived from that power, so set it or running state stays idle.3

Local temperature source select chooses whether the local temperature comes from the ambient sensor or the external probe. The floor probe type and its correction sit on a separate floor endpoint.23

Control status reports why the output is in its current state: normal operation, no temperature, remote demand override, window open, local force on, maintenance, output time limit or sensor fault.2

Setup

  1. Wire and power it

    A qualified electrician wires the supply, the heating load and any floor probe to the screw terminals, then fits the thermostat flush in its frame and switches on.1

  2. Open pairing in Edge

    In Edge, open pairing on the Gateway’s Zigbee network.

  3. Start joining on the thermostat

    Hold the O button until the display shows Jn, then release it. A thermostat already joined to another Zigbee network, such as a Wiser system, has to leave it first: a factory reset, holding O until Fr appears, does that.2

  4. Set the load and the sensor

    From Edge, set Fixed load demand to the heater’s rated power, choose ambient or external sensing, and set the floor probe type if one is fitted.3

  5. Check one reading and one setting

    Compare the local temperature with a thermometer, then raise the setpoint above it and check the relay switches on and power reads the load you entered.

Common questions

Does the WDE002497 need a Wiser hub to work with Edge?
No. It is a Zigbee device, so it joins the Zigbee radio on an EpiSensor Gateway directly. In Schneider’s own system it pairs with the second-generation Wiser hub; Edge does not need that hub.12
Does it measure the energy the heating uses?
No. It reports a fixed load you set, up to 3600 W, as its power while heating is on. That gives a good picture of when heating runs, but it is not a measurement. Meter the circuit when you need measured energy.3
How do I reset it?
Hold the O button for more than 20 seconds for a soft reset, which clears the account details and restores the default setpoint. Hold it until Fr appears for a factory reset, which clears all settings and schedules.2

Sources

  1. Connected thermostat, Exxact, floor/room, 16A, Zigbee, white: WDE002497 product datasheet (opens in a new tab) Schneider Electric
  2. Schneider Electric WDE002497 (opens in a new tab) Zigbee2MQTT
  3. Schneider Electric device definitions (schneider_electric.ts), v26.111.0 (opens in a new tab) zigbee-herdsman-converters

Further reading

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