Hitachi GR4000 Series Installation Manual page 197

Figure 5.4-29 Power supply unit being inserted
Step 2
the slot, and fasten the screws of the power supply unit.
Screws
Figure 5.4-7 Power supply unit fixed into its position
!
Step 3
(See the section 4.5.5, which gives you the instruction related to the
attachment/detachment of the GR4000-160E2/GR4000-320E (DC) power cable.)
WARNING: MAKE SURE THAT THE CIRCUIT BREAKER OF A POWER FACILITY IS SET
WARNING: AFTER ATTACHING A POWER CABLE, ATTACH THE COVER TO THE
520-10-014-20X
Insert the power supply unit into the slot deeply until it reaches the end of
Caution: Use a driver when screwing up a power supply unit, and make sure that it is
fixed into its position firmly.
Attach the power cable to the power supply.
TO OFF BEFORE ATTACHING OR REMOVING A DC POWER CABLE.
ATTACHING OR REMOVING A DC POWER CABLE WITH THE CIRCUIT
BREAKER SET TO ON WILL CAUSE AN ELECTRIC SHOCK.
TERMINAL PLATE WHEN USING DC POWER SUPPLY UNIT. OTHERWISE ONE
OF THE POWER SUPPLY UNIT TERMINALS COULD SHORT OUT OR YOU
COULD RECEIVE A SHOCK.
GR4000 Installation Guide Version 1.00 - Preliminary
Screws
179