2021 OWNERS MANUAL / 254
out of the ballast overflow vents on the hull side.
To empty a tank press the EMPTY button. The button will light up
and the ballast pumps will begin to empty the desired ballast tank.
To stop emptying, press the EMPTY button again. The light will go
o and the ballast pumps will stop running. To resume emptying the
tank, press the EMPTY button again. When a ballast tank is at zero
(0) percent full, pressing the EMPTY button again will begin a 30
second override. The pumps will over-drain the tanks, excess water
is pumped out of the hull bottom.
The ballast system in X Series, XStar and ProStar models operates
on an automated system that shuts down automatically when the
emptying process has been completed.
Operation - NXT Series
The three-position switches are clearly marked: FILL, OFF (in
center), and EMPTY. Toggle the switch in the direction desired. Be
certain to return the switch to OFF when functions are complete.
When the tank(s) is/are full, operators will see water being
evacuated out of the ballast overflow vents on either the gunnel or
hull side (see Guide to Individual Models in this Owner’s Manual to
determine the location of the ballast overflow).
The NXT ballast system is not automatic. The ballast system on the
NXT is full and should be switched back to OFF when water can be
seen pumping out of the ballast thru-hull vent. When emptying the
tanks, water is pumped out of the hull-side vents. When tanks are
empty, the water flow o the side of the boat stops. When the water
flow out of the thru-hull vent stops, the switch must be shut OFF.
Failure to return the manual operation switch on an NXT ballast
system to OFF after emptying the tanks can cause the ballast
pumps to fail. Such failure is not covered under warranty.
On models equipped with optional plug-in bags, if the bags are
emptied and disconnected from the system, the original bridge
connector MUST be reinstalled. Failure to do so will allow any water
pumped into the rest of the ballast system to evacuate through the
quick connect, which can result in flooded storage compartments
which could sink the boat.
The original bridge connector in the ballast system must be rein-
stalled if the optional plug-in bags are removed from the system.
Failure to do so will result in any water in the ballast system
evacuating into the storage compartment, potentially flooding
the storage compartments. This could sink the boat, resulting in
serious injury or death.
In systems that operate on timers (XStar, ProStar, X Series and
XT Series models), note that the timer operation varies by model.
Timers may also be impacted by the addition of optional bags. See
your authorized MasterCraft dealer for assistance in determining
proper timer settings.
2021MCOwnerManualFINAL.indd 254 8/26/20 1:53 PM
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