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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.
9.1 CTRL-A (accessory on request)
WARNING: regardless of the control system in place (potentiometer or ModBus), it’s strongly recommended to wire
the ModBus communication line and make it accessible from ground level, in order to ease troubleshooting via
ModBus anytime after the installation.
For the operating specifications, refer to the manual of the CTRL-HS touch control panel.
9.2 CTRL-HS (accessory on request)
3 ph.
POWER
SUPPLY
YELLOW-GREEN
BROWN
BLACK
GREY
L1
L2
L3
4-core power cable
6-core control cable
BROWN
YELLOW
GREEN
WHITE
GREY
PINK
MODBUS B
MODBUS A
YELLOW - GREEN
BROWN
BLACK
GREY
L3
L2
L1
3 ph.
POWER
SUPPLY
4-core power cable
6-core control cable
EXTERNAL
POTENTIOMETER
≥10kΩ
(NOT SUPPLIED)
YELLOW
GREEN
WHITE
GREY
MODBUS B
BROWN
PINK
MODBUS A
-
+
+
-
EXTERNAL DC POWER
SUPPLY
VAC/+
GND
VAC/-
CAN+/A+/1B
CAN-/B-/GND
CTRL-HS
BLUE
RED (N.C.)
POT.
YELLOW-GREEN
BROWN
BLACK
GREY
L1
L2
L3
3 ph.
POWER
SUPPLY
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
BLUE
RED (N.C.)
YELLOW - GREEN
BROWN
BLACK
GREY
L3
L2
L1
3 ph.
POWER
SUPPLY
4-core power cable
6-core control cable
EXTERNAL
POTENTIOMETER
≥10kΩ
(NOT SUPPLIED)
YELLOW
GREEN
WHITE
GREY
MODBUS B
BROWN
PINK
MODBUS A