Power and cooling equipment
17
NT6D53AA Junction Box
System Hardware-All (DC
version)
Purpose-The
Junction Box is
required
when the distance from the rectifier
to the pedestal is over 0.74 m (8 ft), which requires wire larger than 10
AWG. It provides a set of connection terminals for the 4-AWG wire that
comes from the rectifier, and a set of connection terminals for the
lo-AWG
wire that goes into the pedestal.
Refer to

Power

engineering (553-3001-152) for more information.
Quantity--&e
per DC pedestal
NT6D5303 Logic Return Equalizer
System Hardware-System
option 71 (DC version)
Purpose-The
Logic Return Equalizer (LRE) mounts on top of the QCA13
cabinet. It is used as the single point ground for System option 7 1.
Quantity--One per system
NT7D0003 Fan and Sensor Panel
System Hardware-System
option 21A
Purpose-The
NT7DOOO3
Fan and Sensor Panel contains a 230 VAC
tubeaxial fan (A0367754) and a thermal sensor for a high
temperature/shutdown alarm to the option 21A System Monitor. The fan
provides cooling for the NT7D14AA Common/Peripheral Equipment Power
Supply. It is on continously and receives power directly from the Power
distribution Unit via the module power harness.
The N’l7DOOO3 Fan and Sensor Panel consists of the following:
-
a perforated top shield (PO703062)
-
a Top Cap Fan (A0367754)
-
a fan power harness
(NT7DOOO4)
-
a thermostat harness (NT8D46AC)
Quantity--One
per system
Equipment identification and ordering information 553-3001-154
.
.