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68 Electrical installation
Connecting the external power supply cable for the
auxiliary circuit
The cabinet builder must arrange 230/115 V AC auxiliary power supply for the auxiliary
circuit and cabinet fan.
See also section
Auxiliary circuit current consumption (page
Connection diagram
￭
See the final circuit diagrams for details. The ABB-defined installation example is
shown in the example circuit diagrams.
Connecting power supply for the control unit
The cabinet builder must connect 24 V DC auxiliary power supply for the ZCU control
unit.
See also section
Auxiliary circuit current consumption (page
Connection diagram
￭
See the final circuit diagrams for details. The ABB-defined example installation is
shown in chapter
Example circuit
a battery that further supplies the supply unit control unit. The customer must acquire
the 24 V power supply and the battery.
Connecting the control cables
For technical data and default I/O connections of the control unit, see
unit (page
131).
WARNING!
Obey the safety instructions given in
cabinets and modules safety instructions (3AXD50000048633
If you ignore the safety instructions, injury or death, or damage to the
equipment can occur.
If you are not a qualified electrical professional, do not do installation
or maintenance work.
diagrams. It also contains a 24 V power supply and
ACS880 liquid-cooled multidrive
124).
124).
The control
[English]).
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