Vertiv
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+24 VDC Power System User Manual (Section 6013)
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Rev. G
188
Restarting the Power System
1.
Reconnect DC and AC power to Power System.
2.
Start the Power System. Refer to "Initially Starting the System" in the separate INSTALLATION
INSTRUCTIONS (SECTION 6012) for a startup procedure.
3.
Verify no Fuse Alarms are active.
4.
Close the Distribution Cabinet's front door. The door can be shut without turning the captive fasteners.
Figure 26:
(Detail A) Replacing List JA (List AA, AM, JB, JC, JD, KA, LB and LC Similar)
SYSTEM
BUSBAR CONNECTION
Remove / Install
1/4-20 X 7/8" Bolt
1/4" Belleville Washer
1/4" Flat Washer
(4) Places.
Torque to 60 In. Lbs.
GROUND
BUSBAR CONNECTION
Remove / Install
1/4-20 X 7/8" Bolt
1/4" Belleville Washer
1/4" Flat Washer
(4) Places.
Torque to 60 In. Lbs.
Remove / Install
10-32 X 5/8" Screw
No. 10 Flat Washer
(2) Places.
Remove / Install
10-32 X 5/8" Screw
No. 10 Flat Washer
(2) Places
FRONT
VIEW
SUBSYSTEM INPUT JUMPERS
To DC-DC Converters
Lists JA, JB, JC, KA, LB, LC Only
(Location varies. List JA shown.)
Warning: Observe correct polarity.
-48V JUMPERS
Remove / Install
1/4-20 x 5/8" Bolt
1/4" Lock Washer
1/4" Flat Washer
(2) Places Per Jumper
Torque to 84 In. Lbs.