Laying out the Mermaid Marine Air 5200 BTU AC\Heat unit (HVAC ) in her (aft hanging locker) seemed the place to be.
March 2012 - Marina Kona Kai Shelter Island San Diego, CA
Gusts up to 50 MPH!
Debbie first emptied most of the stuff from her locker – closet. Not all is hears some is storage stuff like bead sheets etc.
That day I had been
reading about our Mermaid Marine Air 5200 BTU AC\Heat setup. I came to think that I installed the March Pump (sea water pump) facing the wrong direction. That meant we had to remove the sea strainer and the March Pump and relocate it. It said it is IMPERATIVE that the pump output be higher than
the impute. That meant that by putting the March Pump on the other forward rib would
fix the problem. That would turn the pump around. Or laying it flat instead of
on it’s side would fix it. So thinking that laying it flat would work we tried
to install it in the hanging locker on the deck under the shelf. We could possibly
cut a hole in the shelf so the pump could be serviced if need be.
Mermaid Manual
“Ideally, the pump
should be mounted with the external 5/8” water discharge (the line that
goes TO the air
conditioner) pointed vertically. However, there is an alternative position.
The pump can be
mounted with the external 5/8” water discharge on the side. To
accomplish this
successfully, it is IMPERATIVE to have the actual pump discharge at
the highest level. In
this position, the external 5/8” discharge will be located on the
upper right corner of
the pump with the ¾” intake facing you. In this alternative position,
the pump will still
operate as originally designed. Failure”
So after thinking
again about this I realized that we are not using Mermaids installation
kit. We are doing a custom installation and we bought a March LC-3CP-MD pump
and this pump does not care what orientation it is mounted in.
We called Mermaid support and they confirmed the thinking this time was correct.
Mermaid Support (U.S. Toll Free: 800.330.3553).
But back to the AC installation. We wanted to layout the Mermaid Marine Air 5200 BTU AC\Heat unit so we could start cutting holes and move on to mount the
unite sometime soon.
Debbie un-screwing the shelf.
Shelf turned on its end, then decide to remove it completely for the pump orientation.
Locker - 1978 Islander Freeport.
After Debbie cleared
her hanging locker she removed the shelf that is on the deck. This shelf was
made by the previous owner (PO) for the house batteries. While it was a good
place for the battery weight is did not afford enough room for a modern day battery
setup with buses and fuses etc. Not without losing the hanging locker to
clothes and storage. We move the batteries and charger. The shelf remained as
it is handy. Check other posts on the battery move.
After messing with the March pump in different locations we came to realize it would not be the best spot for the March Pump. The serving would be hard and the hose routing would not be ideal.
We still wanted to try the layout more so Debbie removed the water hose clamps so we could push them over and try the pump position more.
I am trying different positions for the March Pump.
The holes are the PO owners way of venting the locker because of the wet cell batteries that were there.
OK enough of that, we decide the March Pump would go back in the bilge.
Carried over the Mermaid Marine Air 5200 BTU ac from the settee storage to the hanging locker.
Some porn here 😏
Side ways is not going to work for us.
This seems the best spot and the hoses will be orientated the best way.
Also we will have room on the sides to service it. The only bad thing is the weight is all on the back side which is closest to the hull but this needs to be a compromise. It will also give use enough room to remove the filter and clean it.
Debbie had placed the shelf back in the hanging locker and we are positioning the AC unite.
The PO had moved the dorad hose over to make room for the old battery charger.
That may be a help or not. We will need to determine if we can use this for the supply or if we need to move the dorad hose back over to this location and use the hole he cut. Either the hole will need to be enlarged.
Sea water imput.
Sea water output.
Supply output.
Condensation drain.
Return air filter.
Before cutting any hole we decide to make some mock-ups of the return air grill and thermostat placement.
Debbie replacing the water hoses to their original location.
Debbie had to use other tie downs as the original plastic ones broke.
Debbie making template for return air grill and the holes to be covered the PO made.
This grill will be to supply the return air to the hanging locker and must be 10x10 square or 100 cubic inches.
Nice job Debbie!
We decided on this location for the FX-1 Digital Comfort Control Thermostat.
We will be replacing this fan with a black fan like in the salon and the state room.
We like this because it is easily accessible from the bed and is hidden from view for the most part. Also it does not require cutting a hole in some nice teak wood on the side of the hanging locker or such.
The LED lights will be less visible and less intrusiveness. The LED light can be dimmed. The FX-1 Digital Comfort Control Thermostat will be away from the supply air so it will get a more accurate reading of where we want to be cool at, the bed.
That's our thinking.
Now we were still thinking the pump needed moving so we tried the other rib, forward.
We have two March LC-3CP-MD pumps, one for each AC unit. We just used the second pump to try out the layout.
This would work but of course now we know we do not need to move it. Now to re-install the pump and sea strainer back it it's original location 😕
All done and my girl putting back the second March LC-3CP-MD pump, .
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