Electrical Connection - Ariston NRA 640 E B Operating Instructions Manual

Fixing
The appliance must be installed
supporting surface.
Any deformities caused by improper fixing could
affect the features and operation of the hob.
The thickness of the supporting surface
taken into account when choosing
screws for the fixing hooks:
• 30 mm thick: 17.5 mm screws
• 40 mm thick: 7.5 mm screws
Fix the hob as follows:
1. Use short flat-bottomed screws to fix the 4
alignment springs in the holes provided at the
central point of each side of the hob.
2. Place the hob in the cavity, make sure it is in a
central position and push down on the whole
perimeter until the hob is stuck to the supporting
surface.
3. For hobs with raised sides: After inserting the hob
into its cavity, insert the 4 fixing hooks (each has its
own pin) into the lower edges of the hob, using the
long pointed screws to fix them in place, until the
glass is stuck to the supporting surface.
! The screws for the alignment springs must remain
accessible.
! In order to adhere to safety standards, the
appliance must not come into contact with electrical
parts once it has been installed.
All parts which ensure the safe operation of the
!
appliance must not be removable without the aid of
a tool.

Electrical connection

! The electrical connection for the hob and for any
built-in oven must be carried out separately, both for
safety purposes and to make extracting the oven
easier.
Terminal board
On the lower part of the
appliance there is a
UNDERSIDE OF HOB
connection box for the
different types of electricity
supply (the picture is only an
indication and is not an exact
representation of the
purchased model).
on a perfectly level
should be
the length of the
Single-phase connection
The hob is equipped with a pre-connected electricity
supply cable, which is designed for single-phase
connection. Connect the wires in accordance with
the instructions given in the following table and
diagrams:
Voltage and
Electrical cable
mains frequency
230-240V 1+N ~
220-240V 1+N ~
50/60 Hz
Other types of connection
If the mains supply corresponds with one of the
following:
Voltage and mains frequency
• 400V - 2+N ~ 50/60 Hz
• 220-240V 3 ~ 50/60 Hz
• 230-240V 3 ~ 50/60 Hz
• 400V - 2+2N ~ 50/60 Hz
Separate the wires and connect them in accordance
with the instructions given in the following table and
diagrams:
Voltage and
Electrical cable
mains frequency
400V - 2+N ~
50/60 Hz
230-240V 3 ~
220-240V 3 ~
50/60 Hz
400V - 2+2N ~
50/60 Hz
If the mains supply corresponds with one of the
following:
Voltage and mains frequency
• 400V 3 - N ~ 50/60 Hz
proceed as follows:
! The cable provided is not suitable for the following
types of installation.
1. Use a suitable supply cable, H05RR-F or higher,
with the right dimensions (cable cross section: 25
mm).
2. To open the terminal board, use a screwdriver as
a lever under the side tabs of the cover ( see
Terminal board picture ).
3. Loosen the cable clamp screw and the terminal
board screws in accordance with the type of
GB
Wire connection
: yellow/green
N
: the two blue wires together
L
: brown and black together
Wire connection
: yellow/green;
N: the two blue wires
together
L1: black
L2: brown
: yellow/green;
N1: blue
N2: blue
L1: black
L2: brown
3