
/ / FP PUMP SERIES / / /
12
►
Versions B and D:
Screw the pump on the compact bearing support with base
to the foundation.
Model L
►
Versions A and C:
Set up the pump on the spherical cap bearings and align.
►
Versions B and D:
Screw the pump on the base frame to the foundation.
Carriage (Optional)
1. Set up the pump at the installation location. Lock the locks
on the rollers (if present) or secure the carriage with chocks.
2. Ground the carriage to dissipate electrostatic charge.
3. Position hose line to ensure that it cannot be damaged.
6.4.1
Installation of Pipes
►
Lay and connect pipes as follows:
– Keep the pipe resistance as low as possible: Avoid unnec-
essary installation of valves, elbows, and abrupt pipe
transitions.
Fig. 15
Pipe transitions
– Design pipe cross section so that no unnecessary pres-
sure losses or cavitation occurs in the suction area and so
that the condition
NPSH
a
> NPSH
r
is fulfilled.
Verify this in the project planning stage.
– Install the suction lines in horizontal position or at a con-
stant dropping angle towards the pump unit. Rule out
the possibility of air pockets and dips in the pipes.
Fig. 16
Air pocket
Fig. 17
Dip in pipe
– Pipe bends upstream of suction connection: Heed mini-
mum clearance and minimum bend radius:
Fig. 18
Laying of the suction line
– Connect the pipes to the pump so that they are free of
tension and compression to ensure that no stresses are
applied to the pump.
– Secure pipes to ceilings, walls, or floor using pipe clamps.
– Align pipes flush with pump connections using a bracket.
6.5
Electrical Connection
Electrical connection may only be performed by a qualified
electrician.
1. Heed the connection values on the motor's rating plate. The
specified voltage must not be exceeded.
2. Connect the motor according to the circuit diagram in the
terminal box of the motor.
3. Protect cable feedthroughs against penetration by moisture.
4. Turn on the motor for 2 to 3 seconds. Compare the direction
of rotation of the motor fan wheel against the direction indi-
cated by the arrow on the pump head.
5. Reverse the polarity if necessary.
5 - 10 x D
R ≥ 2 x D
D
Содержание FP
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