IBM Uninterruptible Power Supply IBM UPS 7500XHV - Manual (Page 10)

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2. Switch the uninterruptible power supply input circuit breaker (see A in the diagram that follows) and the utility circuit
breakers off.
3. Remove the access panel (see B in the diagram).
4. Remove the circular knockouts on the access panel.
5. Run wires through the access panel to the terminal blocks. Connect the wire to the ground block first. Adhere to all national
and local electrical codes. (See tables and diagram.)
6. Use appropriate cable fitting to achieve strain-relief on the hardwired input and output power cables.
7. For three-phase input, set the Input Phase Selector switch (see C in the diagram) to ‘3’. For single-phase input, leave the
switch in the default position of ‘1’.
8. Switch the circuit breakers on.
9. Check the line voltages.
10. Replace the access panel.
Mounting the Uninterruptible Power Supply in a Rack and Attaching the Front Bezel
!
Attach the mounting brackets.
"
Install the rails per the rail installation diagram in the Rail
Kit. Referencing the chart below, install the cage nuts (or clip
nuts). The solid squares indicate the cage nut or clip nut loca-
tion. Mount the uninterruptible power supply at the bottom of
the rack.
Note: Leave 3 U of space below the uninterruptible power
supply for each battery pack that you plan to install.