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Figure 40
Ground and logic return distribution – Large and Small Candeo power systems
Large System
See
Note 1
Optional
Batteries
+
Candeo
–
power
system
(rectifiers,
distribution/
Rack
battery
connection
modules,
System
Manager)
NN43021-310
Standard 06.01
Installing DC power
Service
panel
120 V
receptacle
IG or ACEG
Safety ground (#6 AWG, min)
BRE/LRE
Note 1: DC power feeds, battery returns, and logic return for Large System
pedestals. Standard practice is to provide two load feeds for each
pedestal, but each pedestal can support up to four load feeds for
higher reliability, if required. Each BAT(-) feed is paired with a
BATRTN(-), and there is one LRTN(+) for each pedestal.
Note 2: The Large Candeo power system delivers up to 500 A from a single
42" (1050 mm) frame and up to 1000 A from a single 84" (2100 mm)
frame. The Small Candeo power system, which comes in
51" (1275 mm) and 84" (2100 mm) racks, delivers up to 300 A.
Note 3: Batteries may be installed in two optional battery trays located
under the rectifier shelves.
March 2013
AC input
Battery / logic
return reference
AC conduit
553-AAA1512
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