Case Of Gr4000-160E1 - Hitachi GR4000 Series Installation Manual

5.4.2 Case of GR4000-160E1

You can add or replace a power supply unit without powering off the device.
WARNING: THE ADDITIONAL INSTALLATION OR THE REPLACEMENT OF A POWER
*
(1) Detachment of a power supply unit
Step 1
Figure 5.4-7 Switch of the power supply unit set to OFF
520-10-014-20X
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.
GR4000 Installation Guide Version 1.00 - Preliminary
Power switch (set to OFF)
161