Electrical Connections - Kripsol HIDROJET JSH Betriebs- Und Wartungsanweisung

Hidrojet Sena:Hidrojet Sena.qxd 20/02/2012 10:21 Página 23

13. ELECTRICAL CONNECTIONS

WARNING
13.1 In general terms, the electrical
installation will fully comply with the
Regulations
Tecnichal provisions applicable and will
be performed by an authorised Installer.
The supply will have neutral and earth
wires.
The mains voltage must correspond to
that shown on the nameplate rating for
the equipment.
The cross section of the conductors
used must be sufficient to withstand
the load drawn by the unit without
deterioration.
All metal parts of the unit which are not
supposed to be under current, but
might do so accidentally and which are
accessible to people, must be electrically
connected to earth.
The electrical characteristics of the
protection devices and their regulation
must be in accordance with those
applicable to the motor to be protected
and the envisaged conditions of
operation. All the instructions given by
the manufacturer must be followed (see
motor name plate).
In the case of units with three-phase
motors, the interconnection bridges
between the motor windings must be
fitted in the right places.
and Complementary
Entry and exit of conductors from the
terminal box must be via glands
guaranteeing the absence of damp and
dirt in the box, which must also be fitted
with a watertight seal.
Conductors will have suitable terminals
for connection to the bushings.
The hydropneumatic panel must be
installed in a dry place, above water
level and at a distance not greater than
8 m. from the start / stop switch on the
front of the unit.
The transparent pipe (no.2, fig. 2) is to
be connected to the microswitch located
on the upper right-hand part of the
panel. It is very important to ensure that
the transparent pipe has no bends in it.
The hydropneumatic panel consists of:
- 1 thermal / magnetic circuit breaker.
- 1 Contact switch.
- 1 pneumatic cut-out switch.
- 1 operating fuse.
All these items are to be installed in a
water - tight plastic cabinet with degree
of protection IP 55.
Note: For more information about
installation, conservation and maintenance,
etc. see the instruction manual for the
use and maintenance of the KA type
pump included with the unit.
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