Installation
Line Voltage Selection and
Fuse
Replacement
Model 89048
BEFORE
PLUGGING THIS INSTRUMENT into
the
Mains (line) voltage,
be sure the correct voltage
has
been selected
A rear-panel switch permits operation
from
100
to 120Vac when used in the
115V
position,
or
from
220
to
240Vac when used in the 230V position. The number visible on the switch indicates which
range of line voltage
to
supply
to
the instrument. Verify that the line voltage selection switch
is
matched
to
the power
source.
Table 2-1
lists
the ratings and the
HP
part number for the replaceable
fuse.
One fuse
is
supplied
with
each instrument.
It
has the proper rating for
100,
120, 220,
or
240Vac
operation.
The fuse is installed
in
the instrument
at
the time of shipment. The position of the line voltage
selection switch is set according
to
the line voltage specified by the customer.
If
the voltage is not
specified, the selection
switch
will
be set according
to
the
country of
destination.
Forprotection against fire hazard, the line fuse should only be a
250V
fuse
with the correct current rating.
Table
2-1.
Line Fuse Rating and
HP
Part Number
Power Cables
BEFORE CONNECTING
THIS
INSTRUMENT, the protective earth
terminal
of
the instrument
must
be connected to the protective conductor
of
the
(Mains) power cord. The Mains plug shall only be inserted in
a
socket outlet provided with
a
protective earth contact. The protective
action must not be negated
by
the
use
of
an extension cord (power cable)
without
a
protective conductor (grounding). Grounding one conductor of a
two-conductor outlet is not sufficient protection.
This instrument is equipped with a three-wire power cable. When connected
to
an
appropriate
ac
power receptacle,
this
cable grounds the instrument cabinet. The type of power cable plug shipped
with each instrument depends on the country of destination. Refer
to
Table
2-2
for the part numbers
of the power cables and
Mains
plugs available.
2-2
rev.
01
JULSI
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