Xylem FLYGT 3171 - Installation; General Installation Prerequisites

lnstallation
Insta llation
lnstallthe
pump
Be{ore
starting
work, make
sure
that the safety instructions in the chaptet
lntroduction
and
Safety
(page
3)
have
been
read
and understood.
DANGER: Electrical Hazard
Before
starting
work
on the
from the
power
supply and
unit,
make
sure
that the unit and the control
panel
are
isolated
cannot be energized.
This applies to the
control
circuit as well.
DANGER: lnhalation
Hazard
Before
entering
the work area, make
sure
that the atmosphere contains sufficient oxygen
and
no
toxic
gases.
Hazardous atmospheres
DANGER: Explosion/Fire Hazard
Special
rules
apply
to installations in
explosive or
flammable atmospheres. Do not install
the product
or any
auxiliary
equipment
in an explosive zone unless it is rated explosion-
proofor intrinsically-safe, llthe product
is EN/ATEX-,
MSHA-
or
FM-approved, then see
the
specific
EX information in the
Safety chapter
be{ore taking any further aclions.
WARNING : Explosion/Fire Hazard
Do not install
CSA-approved
products
in locations that are classified as hazardous
in
the
National Electric
code(TM),
ANSI/NFPA 70-2005.
General requirements
These requirements
apply:
.
Use the
pump
dimensional drawing
in
orderto ensure
proper
installation.
.
ln
S-,
T-,
and
Z-installations the pump must be equipped with cooling
jacket
Before installing
the
pump,
do
the following:
o
Provide
a suitable
barrier around the work area, for example, a
guard
rail.
o
Make
sure that eq uipment
is in place
so
that the
u
nit
can
not roll
or
fall over during the
installation
process.
.
Check
the
explosion
risk before you weld or use electric hand tools.
.
Check that the cable and cable entry
have not
been damaged during
transport.
.
Always remove
all
debris and waste materialfrom the sump, inlet
piping,
and
discharge connection, be{ore
you
install the
pump.
.
Always check the impeller rotation
before
lowering the
pump
into the
pumped liquid.
NOTICE:
.
Do not run
the
pump
dry.
.
Never force piping to make
a connection
with a
pump.
Authority reg
ulation
Ventthe
tank ofa sewage station
in
accordance
with local plumbing
codes-
Flygt
3171
lnstallation, Operation, and
Maintenance Manual
1l