Legacy: Develco ZHWR202

Get started

Step 1. Plug the Wall Plug into a power outlet.

Step 2. Wall Plug will now start looking for a Zigbee network it can connect to.

Step 3. The LED button will flash red while the Wall Plug searches for a gateway.

Scan for Wall Plug

Step 1. Scan for new device in Wattle to connect it to your gateway. (Settings–>Manage devices)

Step 2. When the LED button stops blinking, the Wall Plug is connected to Wattle.


Configure Wall plug

Step 1. Set a device name

Step 2. Add the device to a room.

Select the room you want from the list or add a new room.

Settings for: Smart plug

Step 3. Select Usage

Generic The function is separated from any system logic. You can view and control the status of the function in the “generic” tab in the room view.

Light The function is connected to a light source and is connected to the light logic of the selected room. You can control the lights as part of the room or invidiually in the “lights” tab in the room view.

Climate control The function is connected to a heating or cooling device and is connected to the climate logic. You can control the climate settings from the “temperature” tab in the room view. Usage option choose between heating device and cooling device.

Step 4. Choose Apply when satisfied with configuration.

Placement of Wall plug

The wall plug should be placed indoors at a temperature between 0 and 50 celsius. The Smart Plug is not intended for outdoor use.
f the signal is weak, move the sensor closer to the gateway, or set a signal amplifier between the gateway and the smart plug.
If the device is used as a signal amplifier, the device should be located between the gateway and the sensor (s).


Searching for gateway – The red light flashes every second.

Normal mode – A green LED indicates that Smart Plug is active and in status ON. The relay can be switched on and off by pressing the LED button in addition to control via Wattle.

OFF mode – If the LED is not lit, it means that the relay is turned off. The release can be turned on by pressing the button in addition to Wattle control.

Technical specifications

Dimensions: 107 x 49 x 59 mm
Colour: White
Power consumption, Relay ON: 0.6W
Power consumption, Relay OFF: 0.2W
Max. switch voltage: 250VAC
Max. switch current: 13A
IP-class: 20
Storage temperature: -20°C to +80°C
Operation temperature: 0 to +50°C
Supply voltage: 92 – 264 VAC
Sensitivity: -101 dBm @ 1% PER
Output power: up to +12 dBm in EU
Frequency band: 47 to 53 Hz

Power Meter functionality in relays:

Voltage range: 207 to 253VAC
Voltage accuracy: typ. 0.5%
Current range: 13A
Current accuracy: typ. 0.3%
Accuracy: typ. ± 1%

Resetting Wall plug

Reset may be required if you want to connect the smart plug to another gateway or reset it to factory settings to eliminate abnormal behavior.

Step 1. Plug the Wall Plug into a power outlet.

Step 2. Press and hold the button on the device.

Step 3. Hold the button until the red LED light blinks continuously (about 20 seconds). Then release the button.

Step 4. The red LED light will be on for 2-5 seconds and then flash a orange and then green light after releasing the button. Do not turn off or disconnect the device while the light is on.

Step 5. The LED will now start blinking red every second. This means that the device is reset and is searching for a gateway to connect.


In case of power failure, the device will be reset to the on / off status before the power failure.

In case of bad or weak signal (see signal level in Wattle), try moving the Wall Plug or Gateway to another location.

If the search for a gateway has timed out, you can start it again by briefly pressing once on the LED button. The wall plug will be in search mode for 15 minutes or until it finds a gateway.

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