In the Abacos and would like some AC advice

Are all 5 units discharging out a single outlet or 5 separate outlets?
Can you compare the 5 outlets and note a difference in out flow?

Can you "back" flush from the hose end at the discharge to the hose at the bump manifold or pump.
My idea here is restrictions are not always at the condensing station.
Found silt settling in the bottom of hose bends (low dips) and restrictions at the pump manifold a few times thru the years.
Found one restriction at the hull discharge fitting also.

106° degree water in is not to impressive either.
How does that compare to water temps on other stations.
Where that blue cap is, is that tube cold when running?
Top of the compressor to hot to touch or just warm?

I assume no pressure gauges on board?
Is that is a soft start cap kit or freq start on the control box?

A C just serviced before your trip? A lil extra freon added?

BACK flush with water pressure from the discharge manifold, which I assume you have since you said all five go to a single thru hull, to the intake manifold by disconnecting the hoses at the manifold. Out the discharge hose in a bucket to see what come with.

flushing in the direction of the flow doesn’t do much, it just forces the whatever debris you have further in.

Also, poke thru the Tees at the manifolds to make sure you don’t have some shells stuck in there.

to check for actual flow after you restart, disconnect the. Discharge hose at the discharge manifold and put it in a bucket to time how long it takes to flow a couple of gallons.

then if that doesn’t solve it, you may need to descale it with BB

I have wireless temp sensors on my coils and monitor temperatures. In summer starting now I have to back flush every week

Also what kind of pump do you have ? Crusair / Oberdorfers as well as Scott pumps have bronze housing and impellers which erode with time loosing capacity. 5 to 7 years is about the life expectancy for these. Depending on the manifold design, that unit maybe getting a little less water.

been there, done that.

Please give them a call and ask if they added any freon to this station.
With the increase water temps, The head pressure may go a lil taller than local waters..

Now the big woo, on R410 systems, Low freon may offer HP errors.
But you state the return line is cold. Real cold and sweating?

Just trying to help trouble shoot from far away.

Have you been in "Marsh Harbor" all these times of failures?
Sadly, the most polluted and heated water in all the Abacos.

In those hot basins I understand. like sitting in a pot of hot water.

Please look at that picture above, where you labeled 106. Is that an outflow label with water flowing out?

Rite now I'm thinking you are ever so slightly overcharged on freon.
In those hot water basins, head pressure will get higher.
Get out of those harbors into cooler flowing water.

It's always better on a hook than dock anyway.