RX4770 M1 Upgrade and Maintenance Manual 89
6 Power supply units
Safety notes
V CAUTION!
● Do not disassemble the power supply unit. Doing so may cause
electric shock.
● Areas around the power supply unit may remain extremely hot after
shutdown. After shutting down the server, wait for hot components to
cool down before removing the power supply unit.
● When installing a power supply unit, ensure that the connector of the
power supply unit is not damaged or bent.
● If the power supply unit is hard to remove, do not pull it out by force.
● The power supply unit is heavy, so handle it carefully. If you drop it by
mistake, injuries may result.
● For further safety information, please refer to chapter "Important
information" on page 31.
6.1 Basic information
The PRIMERGY RX4770 M1 server can be equipped:
– with up to four power supply units that automatically adjust to any mains
voltage in the range of 100 VAC to 240 VAC (only 1200 W PSUs)
or
– with up to four power supply units that automatically adjust to any mains
voltage in the range of 200 VAC to 240 VAC (only 1600 W PSUs).
I Power redundancy is possible with two or more power supply units. The
effective power of the power supply units may not differ.
V CAUTION!
The server supports a mains voltage in the range of 100 VAC to 240 VAC
(only 1200 W PSUs) respectively in the range of 200 VAC to 240 VAC
(only 1600 W PSUs). You may only operate the server if its rated voltage
range corresponds to the local mains voltage.
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