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(no email)
Date: Mon Oct 25 2004 - 13:01:08 EDT
Hi Jeff,
Good questions.
Yes, the sea water just replaces the air in the normal home unit. The sea
water is the medium that is used to either furnish the heat the unit needs
for the heating cycle or the to absorb the heat during the cooling cycle.
Since our boats are setting in a huge amount of water and water is a better
conductor of heat than air, marine units use water. Very large commercial
units use water. Many of the ponds and fountains that are placed in office
parks and commercial centers are actually furnishing the water for the heat
exchangers in the AC systems. The water is pumped thru the heat exchangers
and circulates back to the ponds where it gives up or absorbs its heat to
the air. The fountains help dissipate/absorb the heat to/from the air.
Eventually it all gets back to the air.
Yes, all AC systems have some kind of refrigerant. What is in yours depends
a lot on how old it is. There should be a tag somewhere on it telling what
it is charged with and how much. Maybe in the install/instruct manual.
As far as you having a cannister of whatever, that depends. If its one of
the older refrigerants you may not be able to get it if you wanted to.
Federal regs dictate that a certification is needed to buy some
refrigerants.
Also there is a little more to it than just adding some Freon. It is
possible to get too much in a system so you need to have a bit of a passing
notion about what you're doing.
If a unit is not leaking there is no reason to charge it. Refrigerant
doesn't wear out. (It does get contaminated but that's a different subject.)
Bill
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