If I could make a suggestion, let's not install electrically driven air compressors (for a dry pipe system) on the floor co-located with a floor drain.
Below, a dry pipe air compressor feed is shown. Fast fill lines are closed (normal mode), slow fill lines are open (normal mode):
The photo below shows an air line strainer removed from a pre-action system, debris is evident:
Below, an unlisted pressure gauge is shown on the air line leading to a pre-action valve:
The photo below shows a pressure gauge on the air supply line. The gauge has an "X" on the face of the gauge. Gauge is unlisted.