12.1.1 FRESH WATER TANK FILLING PROCEDUR
The water tank is not a pressure
vessel. The fi lling procedure is
done via a water pressure sys-
tem and cannot be done without
available water under pressure.
Make sure the vent/overfl ow
drain located underneath the tank
area is open, free and clear of
any obstruction before attempting
to fi ll the tank. A blocked vent
during fi lling could cause serious
damage to the tank and even the
The water pump is designed to supply water from
the fresh water tank to the various areas of your
motorhome on demand. When a faucet is opened,
the pump comes on automatically and pressurizes
The water pump has an inlet screen type fi lter
mounted to the body. If water fl ow in your unit de-
teriorates, clear out this screen. (See pump owners
COMMANDER / EMBASSY
5. Check the Monitor System inside the mo-
torhome for levels as the tank is fi lling. When
the tank is close to full, check for overfl ow at
the overfl ow drain. Turn the supply off as soon
as water fl ows from the drain.
6. Turn the systems valve back to normal, after
external supply is turned off.
7. Turn pump switch back to on and the system is
IMPORTANT
Never allow a full fl ow at the over-
IMPORTANT
If you are starting from a dry system
or if some faucets have been open
during the tank fi lling procedure, you
may want to slowly open all faucets
one at a time to allow any trapped air
to escape from the system.
When fi lling fresh water tank:
1. Connect water hose to the
city water inlet connection.
2. Set the water pump switch
for the motorhome system to
3. Turn systems valve to “Tank
Fig. 12-2 FRESH WATER TANK FILLING (INLET)(Commander
shown, Embassy fi ll inlet located on sidewall of unit)
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