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Eaton 93E Generation 2 UPS 100-200 kVA
(380/400/415V)
5.3.4
(OVT)
See Figure
and breaker state information.
The battery shunt trip signals from up to down are +24V, BAT_OVT, FD_A and
FD_B. The +24V OVT output should connect to a battery breaker +24 V input.
The BAT_OVT output should connect to a battery breaker Trip/GND input.
External battery breaker state information should be connected to the shunt trip
terminals FD_A, FD_B.
5.4
A latching-type remote emergency power-off (remote EPO) switch can be used
in an emergency to shut down the UPS and remove power to the critical load
from a location away from where the UPS is installed.
Note: Before you install a remote EPO switch, make sure that the UPS was
installed according to the instructions in Sections
When you install the remote EPO switch, install a conduit between the device
and the UPS cabinet for wiring the switch.
The remote EPO switch must be a normally-open or normally-closed latching-
type switch that is not tied to any other circuits.
This procedure is intended for installing the Eaton-supplied remote EPO
switch. If you are installing another manufacturer's switch, use this procedure,
and Figure
Make sure that the wiring of the remote EPO switch is in accordance with
local regulations.
To install a remote EPO switch:
1.
Make sure that the UPS system is turned off and all power sources are
removed. See Chapter
2.
Mount the remote EPO switch securely. Recommended locations for the
remote EPO switch include the operator's consoles or near exit doors.
3.
To locate the appropriate terminals and review the wiring and termination
requirements, see Section
©
Eaton Corporation plc 2019. All rights reserved.
Installing external battery breaker and +24 V battery shunt trip
22
for the UPS terminal for the external battery breaker OVT-relay
Installing a remote EPO switch
29
30
and Figure
as a guide.
7
for shutdown instructions.
4.3.3
16
, Table
Revision: 002
Document ID: P-164000848
User's and installation guide
4.4
5.3
through
.
22
, and Figures
and
28
.
68 (118)
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