I'd definitely find a way to keep it secure and harder to tamper with. Tamper proof screws and maybe even liquid nails if I got really annoyed and knew it had been messed with.


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Mark an outline in hidden areas and photograph it. Write on the paperwork if unit is moved or tampered with in any way this will void all warranties, and all visits and charges will apply.

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How's the unit getting moved? Those brackets seem to snap the unit in place. Could the problem be some coating on the coil that you can't see holding the water on it. Lightly spray evap coil cleaner on it or a few drops of dish soap in a spray bottle of warm water to break the surface tension

 

Thats right! I only do Daikin, and the wall unit snaps in place and gets secured with extra screws. If they bump in to it, the plastic cover would brake, before the unit moves! That being said, the condensate drain is very finicky. The line has to have a positive slope, no sagging and no P-trap. Stay away from vinyl tubing, it will pinch the flow.

 

I had a problem with a Gree new install/ replacement. I tied the new drain line into an the existing drain and it would not always drain. Had to put a tee inline with riser to stop what appeared to be slight back pressure not allowing free drain of condensate. Never had this issue before?

 

It's a house that's being remodeled. It was being moved to paint behind...

 

That explains it. Bad thinks happen when painters show up.