7
Step 6
Float adjustment for simplex
systems:
Adjust floats so that the water
level is above the pump motor
housing, and the pump shuts off
when the water level is 2 inches
above the pump volute discharge.
Pump
Troubleshooting
Below is a list of common problems
and possible solutions. Refer to the
pump and panel installation and
service manuals for details regarding
any necessary adjusting, dismantling
or repair work.
Risk of electrical shock or
electrocution. May result
in serious injury or death or
fire hazard. Installer must
disconnect all electrical sources
prior to installation. Only
qualified personnel may install
or service this system. NFPA 70/
National Electric Code (NEC)
or local codes must be followed.
System must be properly
grounded according to NEC or
local codes.
Cutting risk. Risk of serious
cutting or amputation exists.
Disconnect all power sources
prior to handling or servicing
pump or grinding mechanism.
Pump may start without
warning. Grinding mechanism
is extremely sharp. Use
caution when handling grinder
mechanism.
Pump runs but does not pump
down the basin with the H-O-A
switch on either Hand or
Automatic position.
Step 3
With power off, turn radial cutter
with a screwdriver to be sure
it rotates freely. If necessary
to adjust, refer to pump service
manual.
BLACK WHITE GREEN
230 VOLT - 1 PHASE PUMP
GREEN
230
VAC
POWER
CORD
Pump
Operations
Step 1
Run clear water into the basin
until motor housing is covered.
Step 2
Open the shut-off valve to the
discharge line.
Step 3
Turn on main breaker.
Step 4
Start the pump by pushing the
“Push-to-run” push button inside
the control panel.
Step 5
Check the pump amperage with
clamp on ammeter on black
pump lead. Readings higher than
nameplate indicate clogged pump,
miswiring, or improper voltage.
If basin is not being pumped
down and amperage readings are
considerably lower than nameplate,
then the pump is air locked.
1. Cutters may be clogged.
Amperage higher than
nameplate may indicate this
problem.
2. Discharge gate valve may be
closed.
3.
Clogging anywhere from
cutters to check valve. This is
evident if no water discharged
out of the check valve after
raising the pump to disconnect
the sealing flange. Pull pump
assembly and check for cause
of clogging.
4. Discharge head may be too
high. Check elevation against
design point of pump.
5. Clogging beyond the sealing
flange. This is evident if
water is discharged through
the check valve when raising
the pump to disconnect the
sealing flange. Inspect system
basin piping or discharge
piping from basin to locate
clogging.
Basin level is pumped down when
the “Push-to-run” push button
is pushed, but is not pumped
down in Automatic position.
1. Floats are not hanging free in
the basin or are covered with
grease. Pump the level down
with the “Push-to-run” push
button, so that the floats can be
observed. Relocate and clean
float(s) as necessary.
2. If this is a new installation and
original start-up, the floats may
be miswired into the control
panel. If the On and Off floats
are reversed, the pump will
short cycle on and off and will
not pump the level down.
3. Floats are malfunctioning. Pull
the floats out of the basin and
hang the Off and On floats from
your hand. Tilt the Off float so
that the large end is above the