lnstallation
Alternatively, the
pump
can be suspended
with a lifting chain
just
above the sumP
bottom.
Make sure
that the
pump
cannot
rotate at startup or during operation.
5. Connect
the motor cable
and the starter and
monitoring equipment according
to the
separate instructions.
Make
sure
that the
impeller rotation is correct.
For more information, see Check
the
impeller rotation
lpage
33).
lnstall
with T/Z-installation
ln
the
T-installation,
the
pump
is installed
in
a
vertical
position in
a dry
well next to the wet
sump. These requirements
and instructions
only apply when the
installation is made
according to
the dimensional drawing.
ln the Z-installation,
the
pump
is installed
in
a
horizontal
position
on a support
stand
in
a
dry well next to
the wet sump, and a bell-mouth
is connected
to the inlet
pipe.
These
requirements and
instructions are
for Z-installations that comPly
to the dimensional
drawing.
g
;
Fioure 7: Z-installation
Figure
6:
T-installation
These items are
required:
.
Support stand
and anchor bolts
for anchoring the
pump to a base
.
lnlet elbow
for
connecting
the suction
line
and
discharge
line
r
Shut-off
valves that allow
you
to
remove the
pump
from service
r
Air vent
on
the discharge side between
the
pump
and
the check valve
.
Level
regulators or other control equipment
{or start, stop,
and alarm
NOTICE:
The risk of freezing
is particularly high
in T-
or
Z-installations.
1. Fasten the
pump:
a) Use the anchor
bolts to bolt the su
pport
stand to the concrete
base.
b) Bolt the
pump
to the support stand
and the suction connection.
2. Make sure that
the
pump
is vertical
for the T'installation or
horizontal {or the Z-
installation.
3.
Connect the suaion
line and discharge
line.
20
Flygt 3171
lnstallation,
Operation,
and
Maintenance lManual
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