Battery Connections; Remote Emergency Power Off Connections; Battery Control Connections; Typical Power Connections - MGE UPS Systems 40-75KVA Installation And User Manual

Galaxy 4000
Figure 2-1: Typical Power Connections.
REAR AREA
C
B
A
BUSBARS
2.3.5

Battery Connections

The connections to be made are the positive, negative, and ground cables from the battery cabinet to the UPS. The
battery cables are terminated at the positive, negative, and ground busbars. See Figure 2-1.
2.3.6

Remote Emergency Power Off Connections

The control connections are available for Remote Emergency Power Off (REPO) through a customer-supplied
(normally closed) pushbutton. With REPO connected, the jumper on the REPO terminal blocks must be removed.
See Figure 2-1.
1. Remove the jumper from terminal block TB4 located across terminals 7 and 8.
2. Connect the remote emergency power off NC contact to terminals 7 and 8.
IMPORTANT
2.3.7

Battery Control Connections

The battery control connections are made with the battery control cables from the external battery cabinet to the
UPS terminal block TB4-1 to TB4-4. See Figure 2-1.
2 — 4
A
B
C
A
B
C
FRONT
The UPS is also equipped with a local Emergency Power Off (EPO) button on the
front of the UPS cabinet. This switches all UPS critical power off. EPO or REPO
should be used for emergency only!
Installation
FRONT VIEW
TB4
TB1
TB2
GROUND
NEUTRAL
NEGATIVE
POSITIVE
BUSBARS
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