External Power Wiring Installation; Figure 4-3. Typical Bus Bar Barrel Lug Mounting - Hardware Assembly Sequence - Eaton Power Xpert Plus 1 Installation And Operation Manual

4.6.2

External Power Wiring Installation

To install wiring to connections:
1.
2.
3.
t
Power Xpert 9395 UPS (450–550 kVA) Installation and Operation Manual
Figure 4‐3. Typical Bus Bar Barrel Lug Mounting – Hardware Assembly Sequence
Remove one top screw and two bottom screws securing the UPS left front panel
(see Figure 4‐2 on page 4-4). Lift the panel straight up to remove it from the
panel hanger bracket at the top of the cabinet.
Remove the screws securing the internal safety shield panel and remove the
panel to gain access to the input, output, and battery terminals. Retain the
hardware for later use.
Route the input and output cables through either the top or bottom of the cabinet
to the UPS terminals. See Figure 4‐4 for wiring access information and Figure 4‐6
and Figure 4‐7 for common rectifier feed terminal locations or Figure 4‐8 through
Figure 4‐10 for separate rectifier feed terminal locations.
Top Access Wiring. Remove the top conduit plate from the top of the UPS.
Identify all conduit requirements and mark their location. Drill and punch all
conduit holes in the top conduit plate prior to mounting on the UPS. Install the
conduit plate and install all conduit runs into the plate. Pull the wiring through the
conduit into the wiring area.
Bottom Access Wiring. Remove the bottom conduit plate from the inside bottom
of the UPS. Identify all conduit requirements and mark their location. Drill and
punch all conduit holes in the bottom conduit plate prior to mounting on the UPS.
Install the conduit plate and install all conduit runs into the plate. Pull the wiring
through conduit into the wiring area.
Single Lug Installation
Double Lug Installation
S
www.eaton.com/powerquality
164201701 Rev 4
UPS SYSTEM INSTALLATION
Hex Nut
Conical Washer
Flat Washer
Lug
Bus Bar
Flat Washer
Bolt Head
Hex Nut
Conical Washer
Flat Washer
Lug
Bus Bar
Lug
Flat Washer
Bolt Head
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