Vanguard Managed Solutions Vanguard 7300 Series User Manual

Vanguard 7300 Installation 

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Use the procedures in this table for connecting DC power to the dual input terminal 
blocks on a Vanguard 7330 Version 1 :

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.

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

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

IMPORTANT: Connect the ground wire to the ground terminal with 
the ground symbol at the right side of the terminal blocks.

Connect the power cables to the DC power sources.

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

Observe 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