15
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.
• Stabilize the fan with
the 4x Ø3mm stabilizing
wires (21) hooked with
the 5mm snap-hook
(22) to the motor support
holes.
• Securely fix the other
end of the stabilizing
wires to the ceiling (Fig.
XII) using the clamps
(23). Fixing plugs/screws
not supplied.
• With the aid of a spirit
level placed against the
downrod, tighten the
turnbuckles by hand
(Fig.X) in a crisscross
pattern.
Periodically check that
the fan works in the
correct position.
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
8-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)
BLUE
RED (N.C.)
21
22
22
21
Fig. X
Fig. X
45°
Fig. XI
23
Fig. XII
Fig. XII
Fig. XI
22
21
22
21
45°
23
