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Article #269: Correcting Poor Performance in Your Marine Refrigerator

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Having marine refrigerator can be a These problems are more common in used
pleasant luxury or a critical necessity units but even new marine refrigerators
depending on the kind of sailing you do. can be subject to them. Buy quality
However adding one to your galley causes merchandise from trusted vendors to
a substantial increase in electrical minimize these concerns.
demands. Unlike other appliances such as Daily use
a microwave, the draw is fairly constant As mentioned above, a boat refrigerator
so you need to ensure that you have the runs most efficiently when kept full.
power capacity to keep everything running However don't pack the unit tightly as
well. cool air must circulate inside to provide
As a result, it is important to make sure the best cooling.
your boat refrigerator is running as Adjust the thermostat as needed. Optimal
efficiently as possible. Occasional temperature is 37 degrees Fahrenheit for
maintenance will keep the unit running refrigerators and 0 degrees for freezers.
with as little power draw as possible. If yours doesn't have a built-in
Purchase and installation thermometer, get one so you can set it
The first thing is to make sure you buy a properly. A thermal barrier placed inside
unit appropriate to your needs and not the refrigerator can separate the
larger. Not only do larger refrigerators compartment into two areas. This allows
draw greater power but they are harder to one unit to act as both freezer and
keep full, another step to keep efficient refrigerator.
operation. Wash the door gasket with soap and water
The boat refrigerator must be installed every so often. This gasket wears much
so that it gets good airflow across the faster than on your refrigerator at home,
condenser and that air should be in the so replace it once the seal has been
range of 70-90 F. Warmer or cooler air compromised. Dust off the condenser as
will make the condenser work harder. One the dust acts as an insulating layer,
particular problem is that air, heated preventing the condenser from operating
after passing over the condenser, cycles properly.
around and passes over it again. Proper Other tips for proper use
installation allows only fresh air flows You should never run a marine
across the condenser then out of the refrigerator off the ship's main battery.
area. If your appliances drain the battery so
There are several technical problems that much that you can't start the engine,
can cause power issues from day one. An then you are in trouble! For best
improperly installed thermostat, too performance, attach it to an auxiliary,
little or even too much refrigerant, deep cycle battery that will recharge as
incorrect refrigerant/air mix, and so on. the engine is running.






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