Xylem FLYGT 3171 - Electrical Connections and Cabling

lnstallation
4.
5.
Con
nect the motor cable
and the sta rter a
nd monitoring equipment
accord ing to the
separate
instructions.
Make sure that the
impeller rotation
is
correct.
For more information,
see Chec(
the
impeller rotation
(page
33).
Make
sure
that the
weight
of
the
pump
does
not
put
strain on the
piping.
Make the electrical
connections
General
precautions
DANGER:
Electrical Hazard
Be{ore starting
work
on
the unit, make sure
that the unit and the control
panel
are
isolated
from the
power
supply and
cannot be energized.
This applies
to the control circuit as
well
DANGER: ExplosionlFire
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'
proof
or intrinsically-safe.
l{the
product is EN/ATEX-, MSHA- or
FM-approved, then see
the
specific
EX
information in the Safety chapter
before taking any
further actions.
WARNING:
Electrical Hazard
Risk
of
electrical shock
or burn. A certified electrician
must supervise
all electrical work.
Comply
with all local codes and
regulations.
WARNING:
Electrical Hazard
There is a risk of electrical
shock or explosion
if the elearical connections
are not correctly
carried out, or
ifthere is {ault or damage
on the
product. Visually inspect equipment
for
damaged cables,
cracked casings
or other signs of damage-
Make sure that electrical
conections
have been correctly
made.
WARNING: Crush
Hazard
Risk of automatic
restart.
Requirements
CAUTION:
Electrical
Hazard
Prevent cables from becoming
sharply bent or damaged.
NOTICE:
Leakage into the electrical
parts
can cause damaged
equiPment or a blown
fuse. Keep
the
cable
ends dry at alltimes.
These
general requirements apply
for electrical
installation:
.
The supply authority
must be
noti{ied before installing
the pump if it will be
connected
to the
public
mains. When
the
pump
is connected
to the
public power
supply,
it may cause
flickering o{ incandescent
iamps when started-
.
The mains voltage
and frequency
must
agree
with the specifications
on the data
plate.
lf the
pump
can be connected
to dif{erent
voltages, then
the
connected
voltage is
specified by a
yellow sticker close
to the cable entry.
.
The
fuses
and circuit
breakers
must have the
proper rating,
and
the
pump
overload
protection
(motor
protection breaker)
must be connected and
set to the
rated
current
Flygt 31 7
1 Insta llation, Operation, a
nd lMaintenance
Man ual
21