Air Conditioner
Thoroughly read the owner’s manual supplied by the air conditioner
manufacturer for proper use, care and maintenance of the roof
mounted air conditioner. Air conditioners are capable of reducing
air temperature a maximum of 18 to 22 degrees in a 50% humidity
environment. As the humidity goes up, the cooling difference goes
down. If the temperature inside your coach is 100 degrees when
you turn on the air conditioner, it is capable of reducing the
temperature to approximately 80 degrees.
Eventually the air inside the coach will cool, and as it cools the air
put out by the air conditioner will also cool. However, when starting
out at 100 degrees, this cooling could take several hours before it
reaches your desired temperature. Therefore, if you know the
weather will be hot, turn your air conditioner on early.
The two most common complaints with roof air conditioners are
they won’t turn on at all, or when they do turn on, they won’t put out
cold air. If the unit won’t turn on you may have a problem with
something other than the air conditioner. Always make sure you
have sufficient power to run each air conditioner you plan on using.
If your power source has only 30-amp service, you can run only
one (1) air conditioner at a time. Using an adapter to plug in your
50-amp cord to 30-amp service doesn’t allow the use of both air
conditioners either.
Most air conditioners require a minimum of 13 amps to operate
properly. Although the amperage of two AC’s running at the same
time doesn’t add up to 30 amps, other components in the coach,
such as the converter, refrigerator, video, etc., draw enough
amperage to push the total amp load over the 30 amp mark. If you
desire to run both air conditioners in a 30-amp environment, try
running your generator instead of using shore power.
Run both air conditioners off the generator until the coach cools off,
then use shore power to run only one air conditioner, which by itself
will usually maintain a cool temperature inside the coach.
CAUTION: THE USE OF EXTENSION CORDS, “CHEATER”
CORDS OR ADAPTORS TO REDUCE THE SIZE OF THE
RECEPTACLE BEING USED TO PLUG IN YOUR RV WILL
CAUSE EXCESS AMPERAGE AND STRAIN ON YOUR RV
ELECTRICAL SYSTEM. THIS MAY RESULT IN TRIPPING
BREAKERS, PREMATURE FAILURE OF 110-VOLT AC
APPLIANCES, HOT OR MELTING CORD CONNECTIONS, OR
FIRE. ALWAYS PLUG YOUR SHORE POWER INTO A POWER
SUPPLY PROPERLY RATED FOR YOUR RV (30 or 50 amp
service).
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