42
CS
It must be verified that electric supply is corresponding to the unit electric nominal data (tension,
phases, frequency) reported on the label in the front panel of the unit.
Power connections according to the electric diagram.
Ground connection is compulsory. Installer must connect ground cable with a dedicated terminal
on the apposite terminal block.
MAIN SUPPLY CONNECTION
The Electric Power Supply Connection must be carried out according to the indications given in
the Electric Diagram, by connecting the cable supplied with the machine and according with
safety norm and national rules regarding plants.
Electrical connections therefore must be always done according to the instructions
reported on the wiring diagram enclosed with the unit and norms and laws.
Electric supply must be in the limits shown: in the opposite case warranty will
terminate immediately.
The line voltage fluctuations must not be more than ±5% of the nominal value, while
the voltage unbalance between one phase and another must not exceed 2%. If those
tolerances should not be respected, please contact our Firm to provide proper
devices.
Power cable must be inserted in the slots of the disconnector like in figure.
Power cable and line protection must be sized according norm and laws according
with absorbed current of the machine (see technical data).
When lateral panels must be removed for installation or maintenance, keep the internal
wires at a proper distance from lateral panels in order to avoid contacts.
Close to the unit, a multi-pole power switch must be present. It must ensure the
complete disconnection in the conditions of the III overtension category and the respect
of the rules regarding plants and installation.
Main supply must be protected with a differential switch.
Before every operation on the electric section, be sure that the electric supply is
disconnected.
This machines series belongs to the electric appliances functioning at low tension
(230/400 V).
