Hi.
You can find info on this post:
My solenoid valve is something like this:
https://www.amazon.es/gp/product/B0731466HZ/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1
(make sure it has a diode to prevent the inverse current return to the controller. Otherwise you MUST put one)
My air pressure regulator is like this one:
https://www.aliexpress.com/item/32952569072.html?spm=a2g0o.productlist.0.0.48e17a45MkmQSS&algo_pvid=de90db7a-4de2-43c7-befe-22ab6dd7e4a2&algo_expid=de90db7a-4de2-43c7-befe-22ab6dd7e4a2-3&btsid=0b0a119a15831620655353434ee4ba&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_
You must connect as in this pic (on CN1 → 5 Wind, the negative. On CN1 ->6 +24V, the positive)
And I used this picture as guide, although it’s not mine.
Hope it helps 