Installation video can be found here https://www.youtube.com/watch?v=iNEYCQQ8PZU
Parts List Shown Below.
If using the standard air pump and exhaust fan, these can be connected to the outlets controlled by the relay installed in diagram below.
If using an Air Compressor, it is best to have this running off of a separate mains outlet not controlled by the air assist relay. And the Exhaust fan can use the air assist relay outlet as shown in the diagram below.
This following diagram shows an example of the wiring configuration of the relay for the rear power outlets.