# Device setup

1. Insert the USB port of the air conditioner
2. Wait for the **AC-wifi** network to appear
3. Connect to it with the password **slwf01pro**
4. Go from the browser to the address **http://192.168.4.1**
5. In the menu, select the home WiFi network
6. Enter the password and connect.
7. Home Assistant will see the device automatically and prompt you to add it

Optionally, you can solder a FOLLOW ME pad to use additional functionality that is only available via IR:

<p class="callout warning">Don't forget to turn off the AC power before doing soldering!</p>

FOLLOW ME pad location

[![image.png](https://smlight.tech/support/manuals/uploads/images/gallery/2026-07/scaled-1680-/fWHimage.png)](https://smlight.tech/support/manuals/uploads/images/gallery/2026-07/fWHimage.png)

Soldering location

[![image.png](https://smlight.tech/support/manuals/uploads/images/gallery/2026-07/scaled-1680-/NUdimage.png)](https://smlight.tech/support/manuals/uploads/images/gallery/2026-07/NUdimage.png)