GE IAC

GEK
-
86054
Next
,
remove
the
screw
from
stationary
contact
and
place
it
in
the
desired
tap
.
the
first
,
undesired
,
tap
and
place
it
on
the
left
hand
stationary
contact
where
the
first
screw
was
removed
.
prevent
the
right
-
hand
stationary
contact
from
getting
out
of
adjustment
,
should
never
be
left
in
both
taps
at
the
same
time
.
This
procedure
is
necessary
to
Screws
See
Figure
1
A
.
Pickup
and
Dropout
Test
Connect
relay
studs
1
and
2
(
See
Internal
-
Connections
Diagram
)
to
a
DC
source
,
ammeter
and
load
box
so
that
the
current
can
be
controlled
over
a
range
of
0.1
to
2.0
amperes
.
1
.
Turn
the
time
dial
to
the
ZERO
(
0
)
TIME
DIAL
position
.
2
.
See
Table
XI
.
Increase
the
current
slowly
until
the
seal
-
in
unit
picks
up
.
3
.
Move
the
time
dial
away
from
the
ZERO
TIME
-
DIAL
position
;
the
seal
-
in
unit
should
remain
in
the
picked
-
up
position
.
4
.
Decrease
the
current
slowly
until
the
seal
-
in
unit
drops
out
.
See
Table
XI
.
5
.
TABLE
XI
DROPOUT
CURRENT
PICK
-
UP
CURRENT
TAP
0.15
-
0.195
1.50
-
1.95
.
050
OR
MORE
.
55
OR
MORE
0.2
2.0
INSTALLATION
The
following
tests
are
to
be
performed
at
the
time
of
installation
.
TIME
-
OVERCURRENT
UNIT
Using
the
test
circuit
in
Figure
9
,
Reduce
the
This
Set
the
tap
screw
in
the
desired
tap
.
apply
approximately
twice
tap
value
until
contacts
just
close
,
current
until
the
light
in
series
with
the
contacts
begins
to
flicker
,
value
of
current
is
defined
as
pickup
,
and
should
be
within
5
%
of
tap
value
.
1
.
Check
the
operating
time
at
some
multiple
of
tap
value
.
This
multiple
of
tap
value
may
be
five
times
(
5
x
)
the
tap
rating
,
or
the
maximum
fault
current
for
which
the
relay
must
coordinate
.
The
value
used
is
left
to
the
discretion
of
the
user
.
The
operating
time
should
be
the
time
shown
on
the
time
-
current
curve
±
7
%
.
2
.
TARGET
AND
SEAL
-
IN
UNIT
Make
sure
that
the
tap
screw
is
in
the
desired
tap
.
Perform
pickup
and
dropout
tests
,
as
outlined
in
the
ACCEPTANCE
TESTS
section
.
1
.
2
.
13
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