4.3
External Battery Cabinet
Installation
Before
connecting
the
external battery, please
read the notice and warning label on the
battery cabinet.
W
ARNING
•
In the
event
of
malfunction,
the
battery cabinet chassis
or
battery cabinet frames
may
become
liv
e!
•
Special care should be taken
when
working with the
battery cabinet associated
with
the
equipment. Ensure
the
battery number
is
suited
to the
setting
of the
battery
charging v
olt
age
before
installing the
bat
ter
y
.
When the
battery cabinet
is
connected
the overall voltage
e
x
ceeds
nominal voltage. It is very
important
to
ensure
that the
batteries
are installed
separately,
in
a
dedicated battery cabinet.
•
Battery back-up time do not
exceed
one hour, if the
battery setting
shall be
exceeded
one
hour
,
consult
to the
professional
personnel.
CAUTION
•
The
most common battery
type
used
in UPS
installations
is the valve
regulated bat
ter
y
.
Valve
regulated
cells are not
sealed.
The
amount
of gas given off is less than for flooded cells,
but
when
planning the
battery
installation,
allowance must
be
made
for
adequate
ventilation
and
heat
dissipation.
Valve
regulated
cells are not
completely maintenance-
free. They
must
be k
ept
clean and their
connections checked
periodically to
ensure
they are tight, and that
there
is
no
evidence
of
corrosion.
It is inevitable that the
batteries
will lose
charge
during
transportation and
storage; before attempting
to carry out an
autonomy test, ensure
that the
batteries
are fully
charged
as this may take
several
hours. Cell
performance
typically
improves
after a f
e
w
discharge/recharge
cy
cles.
•
The
requirements
of the EC
directives
are
satisfied when battery cabinet
are
used
with
original
accessories.
If
alternative batteries
are
used,
you
must ensure
that the applicable EC
directiv
es
are met and
declare
conf
ormit
y
.
Connect
the
battery cabinet
as follo
ws:
1. Tu rn o ff th e
UPS
.
2. Check all the
external battery breakers
are
open.
3.
Connect
PE
first.
4.
Connect
the
battery cabinet(s)
with
cables
sized
according
to cable
cross section
and
protective
de
vice.
5.
Specification
to
terminals
+ (positive pole) and
-
(negative pole).
Refer to
instructions
provided with the
battery cabinet
or by v
endor
.
W
ARNING
ENSURE CORRECT POLARITY!
Eaton 93E MK2 UPS (10-40kVA, 380/400/415V) Installation and Operation
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