Electrical Requirements; Line Voltage; Branch Circuit Breakers; Frequency - HP StorageWorks XP10000 Site Preparation Manual

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Electrical requirements

Line voltage (AC) at the wall power outlet is a function of the local power

utility and your building power distribution network. Voltages outside of

the operating range of the disk array can cause intermittent system errors or

a complete system shutdown. If required, an HP representative and your

electrician can determine the current line voltage and make

recommendations. See

requirements.

Avoid the use of a line voltage conditioner.

Make sure that a power distribution unit (if used) provides the correct

voltage to support your entire system.

See

Appendix A

for specific branch circuit requirements for your power

situation.

Single-phase branch circuit breakers

The power cords supplied are specified for connection to a single-phase,

20-amp circuit.

Usually, AC line frequency is determined by your local power providers. In

some cases, electrical power is supplied by generators. Shifts in AC line

frequency can cause system errors. An HP representative can monitor the

frequency of the input AC line power and make recommendations, if

necessary. The disk array requires that the line frequency be within 0.5 Hz

of the rated line frequency (50 Hz or 60 Hz). See

information.

HP StorageWorks XP10000 Disk Array Site Preparation Guide

Appendix A

for specific AC line voltage

Appendix A

for more

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