AC Pump Trips Main Breaker

I ended up using West Marine Descaler on all three of my AC units as well as my cockpit freezer compressor. Product is made by Starbrite. Fresh Water flush followed by recirculating Descaler for an hour plus then another fresh water flush with several buckets of fresh water. Had this existing pump set up that worked quite well.

New pump is ready to go as well as new hoses and sea strainer. Since I am doing AC system strainer I decided to also replace generator sea strainer that is on the opposing stringer. Waiting on schedule 80 fittings to build manifold and the support braces to get back from powder coat shop that AC units sit on. Removed them to get pump out and couldn't put them back the way they were. Welcome to winter in Washington. Fly out to FLIBS tonight on red eye with my wife.

Was able to finally finish up the HVAC project last night and everything ran great. Biggest hold up in the project was waiting for brackets to get back from powder coat and back order on the pvc fittings that were unique and couldn't source locally. Since I also did some maintenance to cockpit freezer I ran that a bit as well as Generator that received a new sea strainer. Replaced all the incoming AC water hoses with new Trident hoses and built a new manifold out of Schedule 80 PVC and moved it to a nearby bracket to not have that strain placed on the March pump. Ran a short section of 3/4 hose to the manifold that was sized at 3/4 then 5/8 hose to each compressor. Hard to make it look pretty given so much going on in a small space.

A few more pics



Now onto the next project which will be removing both transmission MOTA gear coolers and taking them for service and replacing components as needed.

I did threaded npt for nipples to 5/8 hose but felt sockets with primer and glue would work best building manifold and connecting the pieces. I could be wrong. I would have thought there would be more composite manifolds out there for marine hvac systems to choose from.

Noted. Was unaware glued schedule 80 was worse than threaded. Was trying to reduce connections and opportunities for leaks. It is not mounted to fixed point where it will flex as it is tie wrapped in three places and floats on the support brace. I also saw glued pvc on some other Sporties and seemed a normal option for Manifold. Will be easy enough to build with threaded connections.

Saw the attached at FLIBS on a new Sporty. I think it is from McMaster Carr.