E170701X.01_ENG 16/04/18
10
9. ELECTRIC CONNECTION
Electric connections must be carried out by
qualified technicians and must comply with
local and National rules in force. Check if the
supply data corresponds to the data written on
the machine plate. (voltage tollerance ±10%,
frequency tollerance ±1Hz).
To connect the machine use a H05 VV –F cable
or superior and follow the data label and in the
technical data sheet to dimension it correctly.
Install before the machine an omni-polar
disconnecting device with interlocked padlock
(i.e.: a circuit breaker) which has a contact
opening that allows the complete disconnection in
case one of the conditions of the over tension III
category is verified. This device must comply with
the subject regulation in force.
Check the main switch; it must be in position “0”.
Open the electric supply door.
Pass the electric supply cable through the cable
holder supplied with the machine.
Before inserting the supply cable, verifiy that it
makes a dead neck lower than the entrance: in
this way eventual condensation drops, cannot get
in touch with electrical connections.
Electric supply cable connection must be done on
a series of marked terminal.
Following the kind of heating indicated on the
serial number plate, connect the cable to the
terminals, as indicated:
: Ground, color: yellow/green
L1, L2, L3: phase, color: brown
N: neutral, color: blue
In case of installation or replacement of the
supplying cable, the ground cable must be at least
5cm longer than the other cables. The electric
diagram is contained in an envelope, inside the
electric board.
On the back panel there’s an equipotential
born for the connection to be done according
to law,
ATTENTION!
Check the fan rotation direction: it must rotate in
the direction that allows the exhaust air discharge;
it means that the fan motor rotated in the direction
indicated by the arrow marked on the motor cover.
Check the correct connecting sequence of
phases.
The machine must be connected to an efficient
ground system: the supplier is not responsible in
case this connection is not operated in
compliance with the subject rules in force. Before
any maintenance, cut the electricity supply to the
machine: for the maintenance refer to the
machine electric diagram, which is inside the
machine; anyway, it can be retrieved at any
moment on manufacturer web site.
The minimum section for the electric cable is
indicated in the attached technical data sheet and
are expressed in mm2.
ATTENTION!
The technical data minimum sections can change
according to the connection length. In case the
cable is longer than 5 meters, the cable diameter
must be proportionally increased.
ATTENTION!
The machine connection must always be made
respecting the data written in the serial number
plate (power, supply tension, frequency).
For a different voltage from the one provided, ask
for more information to the manufacturer.
ATTENTION!
For a machine equipped with drum or fan speed
control, it means for machine equipped with
inverter, a protection by RCD type B device must
be provided (sensible to the current medium
value).
ATTENTION!
In case the machine is equipped with a supply
cable, and the cable is damaged, the
manufacturer must replace it or by the authorized
technical service; anyway only qualified personnel
can service the machine, in order to prevent any
