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Ingeteam
6. Commissioning
6.1. Equipment inspection
The units are equipped with a series of thermomagnetic circuit breakers to protect their various components. These
should be closed prior to unit start-up.
Before working on the thermomagnetic circuit breakers, check that there are no electrical hazards
inside the unit.
When checking that there is no voltage, wearing dielectric gloves and safety goggles approved for
electrical hazards is required.
6.1.1. Inspection
Before inverter start-up, a general inspection of the units must be carried out involving mainly:
Wiring
•
Check that there are no loose wires. The insulation clearance is 0.79 in (20 mm) between cables.
•
Check that the protective switchgear such as thermomagnetic circuit breakers, switches, arresters and fuses
in general are in the correct position and in proper working condition.
Removing the perspex-type protections for performing this inspection is strictly forbidden.
DC feed
Check that the DC arresters are properly inserted into the base and that their "status window" is not red.
Equipment
•
Check that the protective thermomagnetic circuit breakers are in the correct position.
AC feed
The following checks must be made to the AC feed.
•
Auxiliary thermomagnetic circuit breaker switched to ON.
•
Arresters correctly inserted into their sockets. Check that the status window is not red.
6.1.2. Shutting down
During installation, make sure that the protection grade of the equipment has not been altered.
In all connections through cable glands, give cabling enough length inside the unit so they don't pull on the internal
electrical connection terminals.
Ensure that unused holes have been properly sealed.
60
Installation manual
ABB2000IKI01
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