P-164000427 SMALL and LARGE BATTERY CABINET 14
Revision 2 User's and Installation Guide
3 M
aintenance
The
components
inside the
cabinet
are
secured
to a sturdy metal frame.
All
repairable
parts
and
assemblies
are
located
for easy removal, with very little
disassembly.
This
design
allows
authorized
service personnel
to
perform
routine
maintenance
and servicing quickly. You
must
schedule periodic performance checks
of your UPS
system
to keep it running properly. Regular
routine
checks of operation
and
system parameters enable
your
system
to function efficiently for
many
trouble-free
years.
3.1
Important
safety instructions
Remember that your UPS system is designed to supply power
EVEN WHEN DISCONNECTED
FROM THE UTILITY POWER.
The UPS module interiors are unsafe until the DC power source is
disconnected and the electrolytic capacitors are discharged. After disconnecting the utility
power and the DC power, authorized service personnel should wait at least five minutes for
capacitor bleed-off before attempting internal access to the UPS module.
CAUTION
•
Servicing
and
maintenance should
be
performed
by
qualified service personnel only.
•
LETHAL VOLTAGE
PRESENT.
This unit should not be operated with the cabinet
doors open or protective panels removed. Do not make any assumptions about
the electrical state of any cabinet in the UPS system.
Since each battery string is an energy source in itself, opening the battery circuit breaker
does not de- energize the voltage within the battery string
. DO NOT ATTEMPT TO ACCESS
ANY INTERNAL AREA OF THE BATTERY STRING YOURSELF. VOLTAGES ARE ALWAYS
PRESENT IN THE BATTERY STRING.
If you suspect that a battery string needs service, you
should contact your service representative.
If the string requires service, refer to the battery manufacturer’s operating manual for instructions on
battery maintenance or contact your service representative.
Observe these precautions when
working on or around
batteries:
Remove watches,
rings, or other metal
objects.
Use tools with
insulated handles.
Wear rubber gloves and
boots.
Do not lay tools or metal parts on top of
batteries
or
battery cabinets.
Disconnect
the charging
source
prior to
connecting
or
disconnecting terminals.
Determine
if the
battery
is
inadvertently grounded.
If it is,
remove
the
source
of the
ground.
Contact
with any part of a
grounded battery
can result in electrical shock. The
likelihood of
such
shock is
reduced
if such
grounds
are
removed
during installation and
maintenance.
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