Case Of Gr4000-80E2 - Hitachi GR4000 Series Installation Manual

GR4000 Installation Guide Version 1.00 - Preliminary

5.4.4 Case of GR4000-80E2

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
Breaker (set to OFF)
Figure 5.4-19
Step 2
172
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 breaker of the power supply unit targeted for replacement to OFF.
Breaker set to OFF
Set the circuit breaker of the power facility to OFF.
520-10-014-20X