ENGLISH – 13
ELECTRICAL CONNECTIONS
4
4 ELECTRICAL CONNECTIONS
4.1 PRELIMINARY CHECKS
f
All electrical connections must be made with the
system disconnected from the mains electricity and
with the back-up battery (if present) disconnected.
a
The connection operations must only be carried out
by qualied personnel.
f
Mount a device on the electric power line that
completely disconnects the automation from the
grid.
– The disconnection device must have contacts with a
sufcient gap to ensure complete disconnection, under
the Category III overvoltage conditions, in accordance
with the installation instructions.
To make the electrical connections:
1. open the gearmotor’s cover (A)
A
35
2. lift the control unit (B) of the gearmotor
B
36
3. pass the power cable and the other electrical cables
through the hole on the lower part of the gearmotor
37
4. rst connect the motor’s power cable with control units
HK7024 and HK7024HS: loosen the cable clamp (C)
C
38
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