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PLUMBING
Fresh Water Valves
The article provides a basic overview for the Fresh Water Valves in a coach. The rotating “Fresh Water Valve” located in the
water compartment is used to pressurize the fresh water system in your coach, as well as to fill the fresh water tank when
the coach is connected to city water.
If you leave this valve in the manual tank fill position,
you may experience low water pressure while
operating the water pump.
IMPORTANT
!
The Fresh Water Valve position determines whether the
water supply fills the tank or pressurizes the fresh water
system in the coach. Simply rotate the “Fresh Water
Valve” to the appropriate position to perform the desired
function.
FRESH WATER VALVE EXAMPLES
Auto Fill
For coaches equipped with an Auto Fill function, the
coach must be connected to a pressurized water source
and have the Fresh Water Valve in the “Auto Fill” position.
In addition to turning the valve, the coach must also have
the Auto Fill function enabled within the tank monitoring
system. This function is used to automatically fill the fresh
water tank and shut off the water supply based on the
tank levels. The system will turn on the Auto Fill valve
when necessary and turn it off when the tank reaches
capacity.
Both the Precision Circuit Digi-level and the KIB TMSC-
100 systems control the electric auto fill valve via the
monitor panel in an overhead panel and are fused in the
12 volt house fuse panel. The KIB TMSC-100 system’s
circuit board is typically located in the shore cord
compartment, and the Digi-Level does not use a separate
circuit board.
The SilverLeaf system allows the Auto Fill feature to
be activated via the touchscreen or the SPX-300 panel
located in the water compartment. It is controlled by the
TM102 module and uses the fuse panel and relay board
typically located in the shore cord compartment. For more
information about the coach’s tank monitoring system,
refer to the sub-category within the Electronics section.
Water Pump
The water pump is used to pressurize the fresh water
system when the unit is not connected to city water. The
city water supply is under pressure, so the water pump
is not necessary while you are connected to city water.
Once the city water fill valve is not in the manual fill
position, the water is supplied to the fresh water system
components, including the hot water heater and faucets.
To disconnect from the city water supply, close the valve
from the water supply. Release the pressure by rotating
the fresh water valve to the tank fill position. Remove the
hose from the city water supply, and store it in the water
compartment. Once the pressure is relieved, rotate the
fresh water valved to the appropriate operating position.
Use a water hose manufactured and labeled for
potable water to ensure that the hose is drinking
water-safe and will not alter the taste of the water.
IMPORTANT
!
City Water Connection
Before connecting to your coach, use a potable water
source to purge any remaining air and stale water in the
hose. Then, connect the hose from the potable water
source to your coach or the hose from your coach to
the city water supply (if equipped with a hose reel). Turn
on the supply valve at the water source, and open each
of the faucets to remove any air pockets in the coach
plumbing lines. Once the water flows freely, close the
faucet(s).
Summary of Contents for Bay Star 2022
Page 1: ...SM 2022...
