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NORMAL OPERATING
CYCLE
As the flush is operated or as the bath,
shower and lavatory discharge, the water
and waste enter the unit and the water
level begins to rise, triggering the micro-
switch in the pressure chamber. This in
turn activates the motor. The shredded
waste is picked up by the impeller and
discharged through a 3/4" or 1" outlet
pipe to a sanitary sewer or soil stack.
Safety note : For safety, the macerating
unit should never be activated with the
lid removed.
CONNECTION OF THE
DISCHARGE PIPE
These systems are provided with a
discharge elbow which has a built-in
check valve (A), a flexible discharge
hose (B), a plastic coupling (C) and
a step-down rubber connection (D).
Follow these steps to connect to your
discharge pipe.
1. Insert the larger end of the plastic
discharge elbow (A) into the rubber
discharge hose coming out from the top
of the pump.
2. Rotate the discharge to any direction
and secure the base of the elbow with a
clamp (N).
3. Connect the flexible hose (B) to the
smaller end of the discharge elbow and
secure with a clamp (L).
For 3/4" CPVC (22 mm)
4. Insert the discharge pipe inside the
flexible hose (B) and secure with a
clamp (L).
For 3/4" PVC (28 mm)
4. Insert the smaller end of the plastic
coupling (C) inside the flexible hose (B);
secure with clamp (L).
5. Connect the step-down rubber
connection (D) to the other end of the
plastic coupling (C); secure with a clamp
(M).
6. Insert the discharge pipe inside the
step-down rubber connection (D) and
secure with clamp (M).
For 1" PVC (32 mm)
4. Insert the smaller end of the plastic
coupling (C) inside the flexible hose (B);
secure with clamp (L).
5. Connect the step-down rubber
connection (D) to the other end of the
plastic coupling (C); secure with a clamp
(M).
6. Cut off the end of the step-down
rubber connection to fit the 1" pipe;
secure with clamp (M).
Note : Install a ball valve in the discharge
line in order to facilitate the removal of
the unit.
If you want the unit to pump vertically
and horizontally, you may calculate that
3 Ft of vertical lift is equivalent to 30 Ft
of horizontal run. Note that all horizontal
runs require a 1/4" per foot gravity fall.
Each bend or change in direction causes
minor losses which must be deducted
from the discharge performance (i.e.
reduce discharge height by 3 Ft for each
90 degree turn). Use long sweeping 90
degree elbows or two 45 degree elbows
back-to-back to create the 90 degree
turn. Do not use 90 degree elbows.
PREPARING THE
MACERATING UNIT
Follow steps on page 3.
CONNECTION TO
A VENT SYSTEM
The macerating unit must be vented. It
has a 1-1/2" inlet on the top of the cover
meant for this connection. It must be
connected to a vent system according
to your local plumbing codes.
Install the provided 90 degree rubber
elbow (K) on this inlet to connect to the
vent pipe and secure with clamps (N).
Note that all fixtures connected to the
system must also be vented.
Warning : Do not use an air ad-
mittance valve or a mechanical
spring-loaded venting device, as
these devices are one-way valves.
The air pressure in and outside the
macerating unit must be equal.
CONNECTION OF
SANITARY FIXTURES
The macerating unit is equipped with
two additional 2" inlets, one on either
side of the case. These inlets, which
incorporate an internal check valve, are
used to connect the drainpipe of other
sanitary fixtures to the macerating unit.
2
Use the pvrovided 2" x 2" coupling (J)
when connecting a shower/bathtub
or the 1-1/2" x 2" coupling (I) when
connecting a sink. Secure these
connections with clamps (O, N) once
they are installed.
Note : In case one of the inlets is not
used by a fixture, you will need to block
off this inlet with the plugs provided (R).
Any standard shower stall or bathtub
may be used as only the drainpipe
connects to the macerating system.
Note that when installing either one of
these fixtures, a platform would need to
be built in order to raise the shower or
bathtub.
It is required that when connecting a
shower or bathtub to the macerating
unit, the base of the shower tray
or bathtub, be raised by at least 6"
(recommended 8") from the floor. A
platform can be build out of 2" x 8"
lumber on which the tub or shower
tray would be placed.
Note : The actual distance between
the p-trap of the additional fixture
and the macerating unit determines
the necessary clearance to install the
p-trap and elevation required to ensure
a minimum gravity flow of 1/4-inch per
foot. Therefore, the further the pump
is away from the connecting fixture,
the higher the platform would need to
be raised considering the gravity fall
required.
CONNECTION TO THE
ELECTRICAL SUPPLY
All wiring should be in accordance
with the applicable electrical code in
your territory. The macerating system
requires a single-phase 120-volt,
15 amp. supply. When installed in a
bathroom, the receptacle should be 40
inches away (in a straight line) from a
shower or bathtub. Connect only to a
receptacle protected by a ground fault
circuit interrupter (GFCI).
Warning : Risk of electric shock - this
pump is supplied with a grounding
conductor and grounding type at-
tachment plug to reduce the risk of
electrical shock. Be certain that it is
connected only to a properly grounded -
type receptacle.
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