User's Manual

Chapter 4: Connecting the Power System

4.4. C onn ecting to G rou nd

The cabinet must be connecte d to earth ground at the installation site.

CAUTION:

Failure to properly connect the cabinet to ground could result in permanent

damage to the equipme nt.

If this connection is made , all of the followin g c o nd itions must be met:

• This equipment shall b e connected directly to the d.c. supply system earthing

electrode conductor or to a bonding jumper from an e arthing terminal bar or

bus to which the d.c. supply system ea rthing electrode conductor is connected.

• This equipment shall be located in the same immediate area (such as, adjacent

cabinets) as any other equipment that has a connection between the earthed

conductor of the same d.c. supply circuit and the earthing conductor, and also

the point of earthing of the d.c. system. T he d.c. system shall not b e eart hed

elsewhere.

• T he d.c. su pply source is to be located within the same premises as the

equipm ent.

• Switching or disconnecting devices shall not be in the earthed circuit conductor

between the d.c. source and the point of connection of the earthing electrode

conductor.

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