Vanguard Managed Solutions 7300 Series installation manual Supply, Step

Connecting Vanguard 7300 DC Power

Wiring a Vanguard Use the procedures in this table for connecting DC power to the dual input terminal

7330 DC Power blocks on a Vanguard 7330 Version 1 :

Supply

Note

Obtain UL/CSA-approved power cables and connectors with insulated crimp-on terminals. Power cables must be rated for at least 8A input current. Use cable harnesses and terminal-connector assemblies that conform to applicable electrical codes.

Step Action

1Be sure the Power On/Off switch on the front panel is in the Off position.

2Connect the primary power input wires to the two terminals marked -48and INPUT RTN on the left of the terminal blocks.

3IMPORTANT: Connect the ground wire to the ground terminal with

the ground symbol at the right side of the terminal blocks.

4Connect the power cables to the DC power sources.

5Turn the Power On/Off switch on the front panel to the On position to apply power to the Vanguard 7330.

6Observe the DC OK LED at the rear of the power supply, under the terminal blocks. LED status shows:

•LED illuminated, the power supply is operating properly

•LED not illuminated, power supply is not operating properly

Vanguard 7300 Installation 3-25