Additional Installation/Replacement Of Power Supply Units; Case Of Gr4000-80E1 - Hitachi GR4000 Series Installation Manual

GR4000 Installation Guide Version 1.00 - Preliminary
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5.4 Additional Installation/Replacement of Power Supply Units

5.4.1 Case of GR4000-80E1

You can add or replace a power supply unit without powering off the device.
WARNING: THE ADDITIONAL INSTALLATION OR THE REPLACEMENT OF A POWER
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(1) Detachment of a power supply unit
Step 1
Figure 5.4-1
156
Caution: Use a driver when screwing up the front panel, and make sure that it is fixed
into its position firmly.
NOTE: In the GR4000-320E (AC)/GR4000-320E (DC), the front panel attached to FAN0/
FAN1 and that attached to FAN2/FAN3 are different Make sure that each front
panel is set back to the right position where it was before being removed.
SUPPLY UNIT SHOULD BE DONE BY A TRAINED ENGINEER OR A QUALIFIED
MAINTENANCE PERSON.
NOTE: When installing another power supply unit, remove the dummy panel.
Store the removed dummy panel safely, so that it doesn't get bent or lost.
Set the switch of the power supply unit targeted for replacement to OFF.
Power switch（set to OFF）
Switch of the power supply unit set to OFF
520-10-014-20X