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W
P
ATER
RESSURE
(C
S
USTOMER
UPPLIED
CAUTION
Not using a water pressure regulator when
using city water may cause the o-rings to
blow. To prevent damage to the plumbing
system or components when using the city
water connection, a 45 lb. (315 KPa) rated
water pressure regulator is recommended.
Excessive
pressure
systems may be encountered in some parks,
especially
in
mountain
pressure regulators are available to protect the
water system agains such high pressure.
Water
pressure
supplied) are available from your RV dealer to
protect the RV plumbing system against such
high pressure.
12-
W
P
VOLT
ATER
When you want to use water in your RV and
the RV is not hooked up to city water, you will
need sufficient 12-volt DC power to run the
water pump. Depending on your model, the
pump will be located under the bed, in a
cupboard, under the RV or under the sink. The
switch to operate the water pump is located on
the command center panel.
Once activated, the
water pump (also
known
as
the
demand pump) will
self-prime,
and
provide water. The
water
pump
continues
to
run
until approximately
45 lbs. of pressure is achieved then shut off.
The water pump will automatically re-start
when pressure drops. Some cycling may
occur, depending on the volume of water being
released. The water pump has a built-in check
valve to prevent water from back flowing.
R
EGULATOR
)
from
water
supply
regions.
Water
regulators
(customer
& S
UMP
WITCH
Fig. 5.3 Water Pump
PLUMBING SYSTEM
The water pump switch should be in the
OFF position when the RV is unattended
for any amount of time. If something would
happen to the water system, this may help
limit water damage to a smaller area.
For more information
Read the OEM operator's manual.
W
H
ATER
EATER
WARNING
Do not replace any component part with an
accessory part that is not authorized by the
water heater OEM (i.e., an "add-on" electric
heating element, etc.). Such items are not
approved to be installed, could create an
unsafe
condition
warranties.
The water heater is designed to heat water
quickly and efficiently. The water heater OEM
has preset the sensing limit to maintain the
water temperature when the water heater is
activated. If you have not used the water
heater for two weeks or more it may result in
hydrogen gas in the water lines. To reduce the
risk of injury under these conditions, open the
hot water faucet for several minutes at the
kitchen sink before you use any electrical
appliance connected to the hot water system.
If hydrogen is present, you probably will hear
an unusual sound such as air escaping
through the pipe as the water begins to flow.
Hydrogen gas may be present even after
water has been drained from the tank. Open
faucet at the sink and allow the water system
to vent for five to ten minutes (or as needed).
WARNING
HYDROGEN
GAS
FLAMMABLE. Do not smoke or have any
open flame near the open faucet. On DSI
water heater models make sure the interior
control switch is OFF during the above
listed procedure.
SECTION 5
and
will
void
all
IS
EXTREMELY
39
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