Step by step
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Create a project on iot.tuya.com
Create a cloud project with the IoT Core service and link your app account to it (Link App Account).
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Copy the access data
The project's Access ID and Access Secret and the device's Device ID from the project device list.
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Add the device in HEMS
Model “Rotenso heat pump — Tuya app” or “Tuya device (cloud)”, data centre region and access data (encrypted).
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Approve the map
On the device page read the device codes and confirm which code is which quantity.
Rotenso Windmi can also be read locally over RS485 (model “Rotenso Windmi”, read-only).