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9. WIRING DIAGRAM
• Make sure that the mains supply to the unit is disconnected before performing any installation, service, maintance or electrical work!
• The installation and service of the unit and complete ventilation system must be performed by an authorized installer and in
accordance with local rules and regulations.
• Fan must be earthed.
POT.
YELLOW-GREEN
BROWN
BLACK
GREY
L1
L2
L3
400 Vac
3 ph.
50/60 Hz
BROWN
YELLOW
GREEN
COIL
230V
BIPOLAR
SWITCH
230V
+
U
-
CTRL - A
6-core control cable
EXTERNAL CONTACTOR
(NOT SUPPLIED)
4-core power cable
WHITE
GREY
PINK
X
MODBUS B
MODBUS A
9.1 CTRL-A (accessory on request)
400 Vac
3 ph.
50/60 Hz
L3
L2
L1
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Fig. XIV
Cavo di controllo
a 6 conduttori
Cavo di alimentazione
a 4 conduttori
Linee potenza e controllo
(da allestire)
Cavi per alimentazione
e controllo
(Forniti di serie)
Scatola di derivazione
(Non fornita)
Power / control cable
(supplied)
Junction box
(not supplied)
Fig. XIV
Power and control lines
(to be installed)
6-core control cable
4-core power cable
400Vac
3ph.
50/60Hz
• Make the connection to
the power supply/control
network by connecting
the wired cables to the
motor through a junction
box (not supplied) to be
placed near the ventilation
unit. Size the cables
appropriately taking into
account the distance
between the ventilation
unit and the power supply
point. The complete
electrical system must be
carried out by a qualified
and authorized installer, in
accordance with the local
requirements.
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