M5Stack relay M5-U131 or solid state relay M5-U122

[philipgo]

Hello,

has anyone tried using one of these relays? Will they work for thermostat control?

or

Thank you!

[my-SmarthomeGmx]

I am using the first (dual relay) one for the Smart Grid Control. See here
#17 (comment)
It works without issues.

[philipgo]

Thank you! I somehow missed your post in the other thread.

What is the diameter of the wires you use? They look pretty small on thd photo. Is there any signicant current flowing through these wires?

[my-SmarthomeGmx]

They are 0,8mm2
According Daikin Installation Manual for my Altherma they should be 0.5 mm2