GE Limitamp CR194 - Page 30

w
CR
194
Vacuum
Limitamp
400
Ampere
Control
I
WARNING
:
Defeating
the
door
interlock
leaves the controller
connected
to
the
bus
.
The bus
power
must
be removed
.
©
Til
NOTE
To
check
if
sufficient
(
or
safe
)
interlocking
between
door
and
door
interlock
bar
exists
,
the
following
should
be
done
:
A
.
Open
high
-
voltage
door
.
B
.
With
the
door
open
,
close the
isolator
switch
by
manually
depressing
the door
operated
release
.
See
Figure
49
.
C
.
Close
door
against
interlock
bar
.
D
.
Look
through
door
cutout
below
handle
and
visually
determine
If
there is
a
minimum
of
0.50
-
inch
overlap
(
see
sketch
)
.
E
.
For
a
final
check
,
close the
door
,
close the
disconnect switch
,
and
try
to
pull
the
door
open
.
The door
should
not
open
.
DOOR
INTERLOCK
BAR
APPROX
0.50
"
k
-
n
H
—
L
.
©
—
li
B
rjn
_
.
=
j
|
§
>
a
?
-
p
—
J
-
KJ
J
\
„
Ji
ADJUST
STOP
NUT
BEHIND
DOOR
SO
THAT
I
LATCH
MAY
PIVOT
|
FREELY
.
LOOK
-
THROUGH
CUTOUT
i
i
i
tA
!
!
!
L
—
:
:
i
LATCH
ASSEMBLY
FRONT
VIEW
Figure
56
.
Checking
procedures
for
mechanical
door
interlock
.
HANDLE
WARNING
:
Defeating
the
door
Interlock
leaves
the controller
connected
to
the
bus
.
The
bus
power
must
be
removed
.
CONTROL
POWER
INTERLOCK
0.12
NOTE
1
.
Set
0.12
-
inch
gap
(
as
shown
)
with
pusher
extended
(
out
position
)
.
See
0.60
-
lnch
reference
.
2
.
Then
,
check
the Interlock
operation
with
the
pusher
depressed
.
3
.
Both
contacts
must
be
open
and
have
a
contact
gap
of
at
least
Yw
Inch
.
4
.
Insure
the
pusher
pops
out
fully (
see
0.60
-
Inch
reference
)
in
both the
down
(
off
)
and
up
(
on
)
positions
.
CPI
2
N
.
C
.
SWITCH
0.60
V
REF
f
4
-
+
7
PUSHER
ROD
4
HANDLE
LATCH
RELEASE
(
PUSHER
)
5
/
64
"
3
?
Figure
57
.
Checking
for
proper
operation
of
pusher
and control
power
interlock
(
CPI
)
.
30
V
—
v
r
•
Courtesy of NationalSwitchgear.com