High Water AC Pump Cutoff

[480ces]

I've read one too many stories about AC Lines, Fittings or Pumps flooing or skining boats and got to thinking.

Why isn't the high water alarm(s) tied to a latching relay that kills the AC pump?

Most of us leave our units in humidity control mode while away, meaning the pump will run!

I'd much rather come back to a humid boat than a sunk one!

 

[Mike Blake]

Why?

 

[480ces]

Well if an AC line fails it will fill the boat with water. If the bildge pumps fail or can't keep up it will eventually trip the high water alarm. I think it would be wise to stop the AC pump if the water in the bildge were that high.

 

[Mike Blake]

The A/C pump is 120V, the bilge pump is 12V................

 

[Hifirush]

The A/C pump is 120V, the bilge pump is 12V................

I didn’t realize that. I thought they were 12v. Are we talking about the raw water pump in the bilge that cools the AC compressor?

Matt

 

[Mike Blake]

That's what you said the A/C cooling pump.=120V

 

[480ces]

Yeah the AC pump is usually 120v. It wouldn't be hard to switch off a 120v or 240v line via a 12v signal...

 

[Mike Blake]

Every boat I have seen uses a 120V pump.

 

[carterchapman]

As an ME/AE graduate, I can assure you, I HATED EE courses, but I bet you could easily set up a 12v DC relay that would interrupt a 120v AC circuit when it (the 12v circuit) was activated....

 

[Hifirush]

Every boat I have seen uses a 120V pump.

Thanks, now I know.

Matt