Effects Of Prolonged Occupancy - Airstream 2011 FLYING CLOUD Owner's Manual

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holding tank is below floor, insulated and a 2" duct from the furnace supplies
heat to it. The black tank is insulated, however no heat is ducted to it. Use RV
approved anti-freeze in the black holding tank to prevent damage to it and
below floor drain plumbing if used in temperatures below the freezing point.
NOTICE
: Drain and winterize all models if the water systems are not
being used during winter traveling. See winterizing section in this manual
for instructions.
Some states do not allow LPG to be turned on while moving. While traveling
in these states you must use your common sense. How cold is it? How long
will it be before you can turn the heat back on? Is the temperature dropping or
raising? Remember, when towing at 50 MPH the wind chill factor will cause the
interior of the trailer to cool much faster than a trailer that is parked.
When parked in sub-freezing temperatures make sure you keep a full supply
of LP gas and plug into a 110 volt power source whenever possible. A fully
charged battery will not last more than 8 to 10 hours if the furnace is running
almost constantly and 110-volt power is not available.
Leave cabinet doors, wardrobes and bed doors partially open to allow warm
air to circulate around plumbing lines and fixtures. Insulate and/or wrap your
exterior water lines with heat tape.

EFFECTS OF PROLONGED OCCUPANCY

Your trailer was designed primarily for recreational use and short-term occu-
pancy. If you expect to occupy the trailer for an extended period, be prepared
to deal with condensation and the humid conditions that may be encountered.
The relatively small volume and tight compact construction of modern recre-
ation vehicles mean that the normal living activities of even a few occupants
will lead to rapid moisture saturation of the air contained in the trailer and the
appearance of visible moisture, especially in cold weather.
Just as moisture collects on the outside of a glass of cold water during humid
weather, moisture can condense on the inside surfaces of the trailer during
cold weather when relative humidity of the interior air is high. This condition is
increased because the insulated walls of a recreation vehicle are much thinner
than house walls. Estimates indicate that a family of four can vaporize up to three
gallons of water daily through breathing, cooking, bathing, and washing. Unless
the water vapor is carried outside by ventilation, or condensed by a dehumidifier,
it will condense on the inside of the windows and walls as moisture, or in cold
weather as frost or ice. It may also condense out of sight within the walls or the
ceiling where it will manifest itself as warped or stained panels.
Appearance of these conditions may indicate a serious problem. When you
recognize the signs of excessive moisture and condensation in the trailer,
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