Fujitsu ASYG07KMCC Integration

Third party integrations
1

Hello,

I’ve been looking around the forum and couldn’t/missed the answer i was looking for, so my hopes are here.

In the first place i’m trying to get my AC units on the WIFI without the overprices Fujitsu adapter (€110!!)
I’ve had success with ESPHome and an IR board, now i just need to tap 5v somewere from withing the AC.

There is a 4-pin output from were the WIFI adapter has to be connected, but can’t find an answer if that delivers 5v or more, and what pin to use.

2

IMG_0016
IMG_00164032×3024 1.88 MB

IMG_0017
IMG_00173024×4032 2.46 MB

3

AC units re inductive loads. You are not going to find a relay to control them that is 5v controlled that will last more than a week. That 110 relay that is made to handle the load specifically is actually a very good price. By the time you add contactor , the control circuit, and the snubber circuit to keep it all from blowing up you will probably be higher than that.

4

But the most left PIN of the 4 is 12v. Isn’t it possible to use a Step-Down buck converter?