5755000K
Copyright © Liberty Pumps, Inc. 2020 All rights reserved.
5 | EN
Macerating Unit
User Interface
The macerator has a user
interface (touchpad with LEDs)
located on the top left side of
the unit.
This interface has three LEDs:
ALARM
: unit is unable to
evacuate the holding tank or
cannot keep up with the
incoming flow. Audible alarm
also activates.
LOW BATTERY
: 9V battery needs
to be replaced.
POWER
: unit has power.
The interface also has two
pushbuttons:
PUSH to Silence:
silences the
audible alarm.
PUSH to Run:
overrides the
internal switch to manually run
the macerator and pump.
Alarm
The macerator has an integral alarm that will sound if the unit
cannot remove liquid or keep up with incoming water. If the alarm
sounds, a number of conditions could exist. Refer to the
Troubleshooting section to determine the cause and solution.
A silence button located on the user interface touchpad stops the
audible alarm. The red alarm LED will continue to illuminate.
Discontinue using the product until the problem has been
identified and resolved.
IMPORTANT:
In the event of a power outage, a 9V battery will
power the alarm, and if necessary, the macerator will accept two
flushes prior to alarm activation. After that,
the unit should not be
used again until the power is restored
. The alarm automatically
resets once a normal cycle is performed.
Low Battery
If the yellow LED is illuminated, the 9V battery needs to be
replaced. The expected life of the supplied battery is 5 to 7 years.
Power
The LED will be green when power is applied, but LED must be
steady to operate. Both decorative covers must be properly in
place to engage safety switch.
Decorative Covers
The decorative covers are shipped
from the factory assembled on the
unit. However, during the installation
both covers must be removed from
the macerator.
Battery Access
The battery receptacle is accessible
under the left decorative cover. Do not
install battery until the unit has been
installed, connected, and ready for
operation.
Auxiliary Inlets
The macerator unit is equipped with
two inlet ports, one on each side.
These ports are designed for standard
PVC pipe. Included with the system are
two 2” flexible PVC couplers and
1-1/2” reducing bushings. These inlets,
which incorporate an internal check
valve, are used to connect the
drainpipe of other sanitary fixtures to
the macerating pump unit.
Typically, the 2” drain is used with
shower stalls only. A tub, shower/tub
combo, or sink would use a 1-1/2”
drain line. From the factory, the
auxiliary inlets are plugged; if the port
is to be used, the plug must be removed by rotating until the rib is
vertical and then pulling outward. If the unit has been stored for
some time, pliers may be needed to assist in removal.
Access Cover
The macerator has an access cover that
can be removed to gain access to the
pumping and macerating cartridge to
remove debris or perform service. The
auxiliary inlet couplers, Allen wrench,
grease packet, clamps, and 9V battery
are shipped in the access cover
beneath the right access cover.
Preparation
The pump shall be plugged into a properly fused electrical
outlet with a ground fault circuit interrupter (GFCI) that
conforms to current National Electric Code (NEC) and all
applicable local codes. All wiring must be performed by
qualified personnel.
Pump shall be properly grounded using its supplied
grounding conductor. Do not bypass grounding wires or
remove ground prong from attachment plugs. Failure to
properly ground the pump system can cause all metal
portions of the pump and its surroundings to become
energized.
The electrical power supply shall be located within the length
limitations of the pump power cord, and for below grade
installations it shall be at least 4 ft (1.22 m) above floor level.
Replace 9V battery
under this cover
If blinking, decorative
covers not in place
See instructions
under main cover
RISK OF ELECTRIC SHOCK
