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UPS SYSTEM INSTALLATION
Eaton
Power Xpert 9395P-600 (380V-600V) UPS Installation and Operation Manual
S
P-164000710 Rev 1
www.eaton.com/powerquality
4-14
4.8
Installing UPS External and Battery Power Wiring
NOTE
The ISBM and UPM sections are shipped with debris shields covering the ventilation grills on top of
the sections (see Figure 4‐11). Do not remove the debris shields until installation is complete. However,
remove the shields before operating the UPS. Once the debris shields are removed, do not place objects on
the ventilation grills.
NOTE
Remove the ISBM section top or bottom conduit landing plate to drill or punch conduit holes (see
Use the procedures in the following paragraphs to connect the external and battery
power wiring.
4.8.1
2-Hole Barrel Lug Terminations for Transformer Bus Bar Installation
Paragraphs 4.8.2 and 4.8.3 require connecting input, output, and battery power wiring
using 2-hole barrel lugs. See Figure 4‐10 for the hardware sequence when installing
the lugs to the bus bars. Tighten the nut to the torque value listed in Table 3‐18.
NOTE
Conical washers are special purpose washers that look similar to flat washers, except for a slight
conical shape. When installing conical washers, the top of the dome should be next to the nut and the base of
the washer should be against a flat surface such as a bus bar, flat washer, or large terminal.
C
A
U
T
I
O
N
One set of bolts secure the bus bar. (See Single and Double Lug Installation in Figure 4‐10). Other bolts are
used for the input and output cable connections. (See Cable Connection Bolt Orientation in Figure 4‐10).
Always insert the cable connection bolt with the the bolt head side closest to the transformer. This avoids
interferrence with the bolt that holds the bus bar.
Double Lug Installation
Cable Connection Bolt Orientation
Hex Nut
Conic al Washer
Lug
Bus Bar
Flat Washer
Bolt Head
Lug
Flat Washer
Single Lug Installation
Hex Nut
Conic al Washer
Lug
Bus Bar
Flat Washer
Bolt Head
Flat Washer
Transformer Side
Connector
Sleeves
Conical Washer
Nut and Flat Washer
Bolt Head
and Flat Washer
Figure 4‐10. Typical Bus Bar Barrel Lug Mounting
–
Hardware Assembly Sequence