Flo Fab 1.25FFGP Series Manuale di installazione, funzionamento e manutenzione - Pagina 4
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Receiving inspection
Upon receiving the pump, it should
be
inspected
for
damage
shortages. If damage has occurred,
le a claim immediately with the
company that delivered the pump. If
the manual is removed from the
packaging, do not lose or misplace.
Storage
Any product that is stored for a
period longer than six (6) months
from the date of purchase should
be
bench
tested
installation. A bench test consists
of, checking the impeller to assure
it is free turning. DO NOT TURN
IMPELLER
WITH FINGERS
EDGES ARE SHARP, use
wrench in the impeller screw to
turn the impeller. Run test to assure
the
motor
(and
provided) operate properly.
Controls
FFBGP
series
grinders
a
separate
approved
control device
or
automatic operation. Be sure the
electrical
specification
control selected properly
the
electrical specifications of the
pump.
Submergence
The
pump
should
operated
in
the
condition. The minimum sump liquid
level should never be less than above
the pump's volute (See Figure 1).
IMPORTANT! - A clearance
u n d e r t h e p u m p f o r
entrance of sewage solids
must be a minimum of 3" to a
maximum of 4.5".
or
Figure 1
prior
to
Location
The grinder pump is designed to t
in basin or wetwell by using a slide
AS
rail coupling (SRC-1¼").
allen
Installation
There
are
switch
if
installing
contract plans and/or speci cation: A
slide rail in a package system or
concrete wet well is the most
common, which allows the pump(s)
to be installed or removed without
require
requiring personnel to enter the wet
pump
well.
panel
for
of
the
These pumps are recommended for
match
use in a sump, basin or lift station.
The sump, basin or lift station shall
be sealed and vented in accordance
with local plumbing codes. This
pump is designed to pump grinder
or wastewater, non-explosive and
non-corrosive liquids and shall
always
be
NOT be installed in locations
submerged
classi ed
accordance with the National
Electrical Code (NEC) ANSI/NFPA
70 or Canadian Electric Code (CEC).
The pump should never be installed
in a trench, ditch, or hole with a dirt
bottom. The legs will sink into the
dirt and the suction will become
plugged.
Recommendations and Warnings
Recommended
Submergence Level
Minimum
Submergence Level
5"
Bottom of Feet
several
methods
of
grinder
pumps.
See
as
hazardous
in
The installation should be at a
su cient depth to ensure that all
plumbing is below the frost line. If
this is not feasible, remove the check
valve
and
size
the
accommodate
the
back ow volume.
Discharge Piping
Discharge piping should be as short
as possible and sized no smaller than
the pump discharge. Do not reduce
the discharge pipe size below that
which is provided on the pump.
Both a check valve and a shut-o
valve are recommended for each
pump. The check valve is used to
prevent back ow into the sump. The
shut-o
valve is used to manually
stop system low during pump
servicing.
Liquid Level Controls
The level control(s) should be
mounted on the discharge piping, a
cable rack or l f oat pole. The level
control
should
have
clearance so it cannot hang up in it's
swing and that the pump is
completely submerged when the
level control is in the "Off " mode. By
adjusting the cord tether the control
level can be changed. One cycle of
operation should be observed, so
that any potential problems can be
corrected.
It is recommended that the level
control l f oat should be set to insure
that the liquid in the sump never
drops below the top of the motor
housing or a minimum level of 10
inches above the basin l f oor.
Electrical Connections
Power cable:
The power cable mounted to the
pump must not be modi ied in any
way except for shortening to a
speci ic application.
f
basin
to
additional
adequate
f
03