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UPS with Bypass Electrical Installation
ROO and On Generator
BPM Signal
Terminals
Figure 19. UPS Input Control Signal Wiring for Maintenance Bypass
NOTE
EPO and external bypass circuits are not isolated from line voltage, and wiring must be installed
according to local codes using conduit or suitable primary supply cables.
3.
Attach the supplied cable connectors to the ends of the input wires.
4.
Install the supplied wiring connectors to the UPS input control signal wires and connect to the terminals
as shown in Figure 20. See Chapter 8, "UPS Communication Ports" from signal terminal identification.
5.
When all connections have been made and checked, reinstall the bypass switch front cover using the
original screws.
6.
If floor anchor brackets were installed and not secured, install the floor bolts (see Chapter 2, "Anchor
Bracket Installation (Twelve-Slot Cabinet Only)" on page 11).
7 .
After electrical installation is complete, you must also set the output settings menu (See Figure 53 on
page 62) for the required output voltage as shown in the wiring configuration drawings (See Figure 20 on
page 24).
22
Eaton 9PXM UPS (4-20 kVA) User's Guide P-164000669—Rev 05
Building Input
Maintenance Bypass
(CN5)
(CN13)
(CN6)
4 3 2 1
4 3 2 1
3 2 1
Attach supplied
Input signal
wire connectors to input wires
wires
and plug into UPS
FORCED
BYPASS
MAINTENANCE
BYPASS IN
NEUTRAL
BYPASS IN
Bypass Module
Terminal
UPS NO AUX NO AUX NC
BPM
(Install conduit
over signal wires)
Do not strain relieve EPO or external bypass wiring with the same cable tie used for
Generator On wires.
EPO
External CAN to EBM
(CN7)
(CN4)
4 3 2 1
7 6 5 4 3 2 1
UPS
CN13
UPS Signal
Terminals
CAUTION
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