For instructions on how to install the external battery cabinet and battery power
cabling, see the instruction manual provided with the external battery cabinet.
Earth the external battery cabinet / customer-supplied battery system to the PE
terminal 16 shown in Figure
10
and Figure
11
.
Note: If batteries are wired outside the cabinets, follow the installation
instructions given in Section
4.3.2
. See Table
8
for the recommended cable
and fuse sizes.
5.4 Installing a remote EPO switch
A remote EPO switch can be used in case of an emergency to shut down the
UPS and remove power to the critical load from a location away from where the
UPS is installed.
EPO is connected to the UPS's top front panel, on connector EPO. Figure
16
shows the NO and NC connections of the EPO switch.
EPO connector (front view):
Figure 16. Connections of the EPO switch
A
Normally open
B
Normally closed
Table 12: Remote EPO wire terminations
From remote
EPO switch
To user interface ter-
minal block EPO in
UPS cabinet
Remarks
NO
3-4
NC
1-2
Wire jumper between 3-4 must be installed for
proper functions
5.5 Installing interface connections
93PS UPS contains a total of 5 signal input connectors for operators which can
be used for giving remote control commands to the UPS. User interface
Eaton 93PS UPS 8–40 kW
User's and installation guide
©
Eaton Corporation plc 2016. All rights reserved.
Revision: 003
Document ID: P-164000493
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