137
20 08 CONTESSA
WATER SYSTEMS — 6
Tank Flush
The motorhome comes equipped with a power
ush nozzle, located in the black tank to help
reduce solid build-up. Flush the tank each drain
cycle. Failure to thoroughly rinse the black tank
each drain cycle may result in accumulated
solids and a clogged spray nozzle.
NOTE:
The spray nozzle is a maintenance item,
and as such is not a warrantable item.
Keeping the spray nozzle clean and
functioning is the sole responsibility of
the owner.
Dumping the Tanks:
1. Close the grey water valve.
2. Fill the grey tank to at least 50% by
running water in the shower or sinks.
3. Use the tank monitor in the service bay
to observe tank levels. Stop lling the
tank when the grey tank is half full.
4. Open the black water valve and allow
the black tank to drain.
5. Connect a non-potable water hose with
pressure regulator to the ush system
tting located in the service center.
6. Turn on the faucet and allow water to
rinse the black tank for at least three
minutes. Never operate the system
unattended. Ensure water ows freely
though the drain hose.
7. Turn off the faucet and close the black
water valve when completed.
8. Open the grey water valve. Water in the
grey tank will ush remaining solids
from the hose. The grey valve remains
open until the next drain cycle or time
of departure.
WARNING:
DO NOT operate the flush system
unattended. Flooding may occur. Use the
tank flush system each time the holding
tanks are cycled. Failure to routinely use
the flush system will result in a clogged
spray nozzle. Turn off the water supply
when finished flushing the tank.
9. Close both valves when preparing for
travel. Undo restraining devices from
the hose. Disconnect the hose from
the termination outlet by rotating the
tting counterclockwise 90º.
10. Install sewer hose in carrier and lock door.
11. If desired, add chemicals to the tanks to
control odor. Follow directions given by
the manufacturer of the chemical.
NOTE:
Dump the black tank before traveling.
WASTE PUMP (Optional)
The waste pump is a self-priming impeller
pump designed to minimize clogging when
draining the tanks.
To Empty the Black Tank:
Wear disposable gloves, safety glasses
and protective clothing as necessary.
Remove the drip cap at the 1½" hose end
(see illustration).
WARNING:
Be sure to remove the drip cap from
the Sani-Con hose end (see illustration).
Failure to do so will result in damage to
the Sani-Con system.
NOTE:
If the pump is activated while the drip
cap is on the hose end, switch the pump
off and wait at least 30 seconds to allow
pressure to dissipate before removing
the drip cap.
Insert hose end into sewer connection.
Periodically tighten all hose clamps.
The waste pump hose end can be
connected to a 3" or 4" threaded or non-
threaded sewer connection. Ensure the
hose end is installed correctly prior to
operation (see illustration).
Open the solid waste drain valve at
the plumbing service center by pulling
outward.
040460s
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