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4. Electrical connection and earthing
Electrical power supply
The installation and the electrical con-
nections must be carried out in con-
formity with the electrical rules in
force. These operations must be carried out by
qualified staff. The company declines any responsi-
bilities originated from the no observance of the
above rules in force.
See the blast chiller electric diagrams at the end of
this manual.
Before plugging in the blast chiller, it is necessary
to proceed with its complete and careful cleaning,
using warm water with no aggressive detergents
and drying with a soft cloth all the humid parts
(read with attention the chapter regarding the blast
chiller cleaning).
In order to carry out a correct plug in you must pro-
ceed as follow:
• Prearrange a thermal magnetic circuit breaker
switch and be sure that the frequency/tension of
EN
the line corresponds to that shown on the blast
chiller serial number label (see the label plac-
ing).
• Verify the supply tension at the socket, it must be
between +/- 10% when you start the compressor.
Starting the blast chiller
ATTENTION!
The first start up must be carried out by qualified
staff.
Before switching on the blast chiller, be sure that:
• Your hands must be dry
• The surface of the blast chiller must be dry
• The floor and the electrical socket must be dry
Furthermore, be sure that:
• The build in condensing unit blast chiller must be
carried only in upright position. If it had leaned,
we recommend to wait at least 8 hours before
proceeding with the start so that the oil will flow
in all the components, lubricating them again.
For the temperature setting make reference to the
8
• We recommend you to install a bipolar-switch (or
4 square pole switch) with contact opening of at
least 3 mm, at the head of the socket. This switch
is obligatory if the loading is over 1000 W or when
the blast chiller is connected directly without the
use of the plug. The mag thermic switch has to be
placed nearby the blast chiller in order to be well
seen by the technician in case of maintenance.
It is necessary that the power supply cable section
is adequate to the unit power consumption.
The earthing of the appliance is compul-
sory in conformity with the law. Therefore
it is necessary to connect it to an efficient
earthing system. If the power supply cable was, it
must be substituted by the technical qualified staff.
It is strongly recommended to avoid the use of elec-
trical appliance inside the blast chiller compart-
ment.
• If the compressor is damaged, it must be re-
placed exclusively by qualified staff, in order to
prevent any risks. In case of breakdown we sug-
gest to unplug the appliance and to use a high
sensitivity mag thermic anti-electrical shock
switch.
corresponding chart about product categories/ us-
age temperature, in addition For the working pa-
rameters regulation refer to the user instructions
of the control panel enclosed to this current manu-
al.
Once the blast chiller is connected with the power
cable (see the previous paragraph), proceed pow-
ering it with the switch closing.
For the built in unit, before plugging it in, verify that
the selector is open in 0, OFF or green position. In-
sert the socket and then turn off the switch. Before
placing inside the food to be chilled or frozen, it is
necessary to clean the chamber of the appliance
(see chapter about cleaning) and afterwards it will
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