Putting Into Service - ABB SafeGear MCC Installation, Operation And Maintenance Manual

I N S TA L L AT I O N , O P E R AT I O N A N D M A I N T E N A N C E M A N U A L
Final inspection
DANGER
The contactor or cutout device of the local control power circuit must be opened when is used a separated
control power source.
Once installed and all connections made, perform a final check and test on the equipment and its controls.
Check for correct equipment installation and that all connections are complete. Take extreme care to prevent
the controlled equipment (load) from being connected to the system while performing preliminary tests.
Disconnect the line wirings if the line contactors are not in the system according to the connection diagram
supplied with the equipment.
Typical circuit diagram HCV-5HA
Fig. 6 Standard operation circuit diagram of normally energized type

Putting into service

Safety precautions
DANGER
There are hazards of electrical shocks and/or burns whenever working in or around electrical equipment.
Turn off power of the MCC before performing any inspection or maintenance operations.
Check incoming line terminals to verify that the equipment is de-energized and grounded.
Check outgoing terminals to ensure that no back feed condition exists.
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