Marathon Power TRTC-2002-N1, Installation, Operation And Maintenance Manual

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
4.7 Shutting Down the UPS
Purpose: Describes how to shut down the system components for removal or maintenance.
Shutting down the TRTC-2002-N1 does not necessarily disconnect power to the loads.
ace Mnual Bypass Switch in Bypass.
Place Manual Bypass Switch in
Bypass.
Turn OFF the Battery Circuit
Breaker.
Turn
OFF
the
AC Input & Output
Circuit Breaker.
Unplug the
b attery connector
.
Disconnect the
AC input & Output
wires and insulate.
Disconnect, mark and insulate wires
at the Green Control Terminal Block,
the plug for Ext. Fan, the plug for
battery temperature sensor
and
the RS232 or USB connector.
Remove and perform maintenance
on the TRTC-2002-N1.
Perform this procedure in the reverse
order to reinstall the unit.
ATTENTION!
TIP:
IMPORTANT: Place the Manual
Bypass Switch in BYPASS before
doing any maintenance on the unit
or PTS to prevent accidentally losing
power to the traffic signals.
DANGER!
The AC input wires from PTS are
still HOT or Live. Insulate the bare
wires using wire nuts.
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