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3320030_inst_GB_rev.1
ENGLISH
GB
ELECTRICAL CONNECTION
Important
The connection must be made by authorised,
skilled personnel, in accordance with the rel-
evant legal requirements, using appropriate
and specifi ed materials.
The appliance is supplied with operating
voltage 400V/3N which can be switched to
230V/3 (see attached wiring diagrams). Spec-
ify the correct voltage for your device; it can-
not be modifi ed after purchase.
For direct connection to the mains one must en-
visage a device that ensures disconnection from
the mains, with a contacts opening distance that
ensures complete disconnection in the conditions
of category III over-tension, in compliance with the
installation rules.
Caution - Warning
Before doing any work, cut off the mains
electricity supply.
Connect the appliance to the mains electricity
supply as follows.
1)
If not already present, install a circuit-breaker
(A)
, close to the appliance, with the following
characteristics:
– Thermal breaker device ( to adjust see table
Annexes).
– Magnetic circuit breaker curve B(IEC 60898-1).
– Residual current protection set at 30 mA.
1)
Undo the screws
(B)
to remove the electrical
equipment box
(C)
.
2)
Undo the screw
(D)
to remove the guard
(E)
.
3)
Connect the circuit-breaker
(A)
to the terminal
board
(F)
as shown in the diagram and in the
electrical system diagram at the back of the
manual and using a cable with the following
characteristics:
– Weight: ≥ than H05RN-F (designation 245 IEC
57).
– Temperature of use: ≥ 70°C.
Important
When connecting, take care to connect the
neutral and earth lines.
4)
Tighten the cable gland
(G)
.
5)
Replace all when the operation is complete.
A
B
B
C
D
D
E
F
G
