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4. INSTALLATION
4.1. Installing the VX-3150DS in the Cabinet Rack
4.2. Battery Installation
• Take special care to prevent the battery from being shorted by misconnection of the battery cable.
If the short occurs, the unit may fail.
Follow the instructions in this section for safe and secure connection.
• Be sure to switch off the system power before battery connection. For the procedure, refer to
“SWITCHING OFF SYSTEM POWER (DC).”
• After completing the battery connection, be sure to attach a terminal cover onto each battery terminal
to prevent shorts between positive and negative terminals.
[Cable end treatment]
To secure the connection between the battery terminal and cable, be sure to use the cable of specified diameter
and treat its end as follows.
Usable cable diameter: AWG 6 – AWG 0 (AWG 1/0)
(Line resistance should be within 4 mΩ in total.)
Stripped length: 30 mm ± 5 mm
Cross sectional area: 16 – 50 mm
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[Cautions on cable connection to the battery terminal]
• Before connecting the battery cable to the battery
terminal, be sure to fully open the cable clamp by turning
the terminal screw counterclockwise.
Battery terminal
Terminal screw
Cable clamp
Fully open.
Too narrow to
clamp the cable
Incorrect
Rack mounting screw
5 x 12
WARNING
