GE Limitamp CR194 - Installation Guide; Installation General Information; Controller Receiving Procedures; Handling and Lifting Recommendations

CR
194
Vacuum
Limitamp
400
Ampere
Control
Installation
Placement
of
Enclosure
Ic
is
essential
that
the controller be
securely
fastened
in
an
upright
position
on
a
level
surface
to
allow
proper
functioning
of
the
internal devices
.
While
there
are
no
roll
-
out
components
,
access
will
be
improved
if
the
controller is located
at
floor level with
plenty
of
room
allowed
for
doors
to
swing fully
open
as
shown
on
the
drawings
supplied
with the
equipment
.
After
the controller
has been
placed
in
position
,
the
floor
mounting
bolts
may
be installed and
tightened
.
The location
of
these bolts is
shown
on
the
outline
drawing
furnished with
each
controller
.
These bolts
are
'
/
2
-
inch
bolts and
are
usually
located
in
each
corner
of
the
controller
base
.
General
This
section
contains
information
on
receiving
and
handling
,
disassembly
,
power
-
cable
termination
,
ground
-
ing
,
and
reassembly
to
make
the
equipment
ready
for
operation
.
Receiving
Vacuum
Limitamp
controllers
are
fabricated
as
rigid
,
floor
-
mounted
,
self
-
supporting
steel sections
requiring
no
floor
sills
.
They
are
crated
and
shipped
in
an
upright
position
and
,
when received
,
should be
kept
upright
.
Some
components
may
be
shipped
separately
,
such
as
tdp
-
mounted resistors
or
potential
transformers
.
These
components
are
identified
by
catalog
number
coinciding
with
that
of
the section
on
which
they
are
to
be
mounted
.
Plastic
film
wrap
or
corrugated
cardboard is
normally
used
for
domestic
crating
with the
steel
enclosure
sections
bolted
to
a
wooden
skid
.
See
Figure
19
.
After
receiving
,
the
packing
may
be
removed
and
the
equip
-
ment
handled
on
the wooden skid
.
See
Figure
20
.
Disassembly
After
the
equipment
has been
set
in
place
where
it
is
to
be
permanently
connected
,
some
internal
disassembly
is
required
to
make
the
necessary
external
power
-
cable and
control
-
wire connections
.
Disassembly
should be done
in
a
definite
sequence
by following Figure
23
through
Figure
34
,
and
as
described
below
:
Disassembly
Sequence
of
Operation
Warning
:
Remove
all
power
from
the
equipment
before
proceed
-
ing
with
disassembly
.
1
.
Move
the manual
isolator handle
to
the
OFF
position
.
Refer
to
the
nameplate
attached
to
the
high
-
voltage
door
near
the
handle
.
Figure
23
-
2
shows the method
of
first
depressing
the
pusher
with
one
hand
and
moving
the
handle
with the
other
.
Refer
to
page
27
and
29
for
normal
and
emergency
door
opening
procedures
.
2
.
Open
both
the
top
(
low
-
voltage
)
and
bottom
(
high
-
voltage
)
doors
.
Handling
It
is
always
preferable
to
handle
Limitamp
controllers
by
the
lifting
means
provided
.
Figure
21
shows the
recom
-
mended method
of
lifting
a
single
section
,
while
Figure
22
shows
the
recommended method
of
lifting
a
lineup
.
Note
that
the
lineup
in
figure
22
is
suspended
from
an
equalizing
bar
.
A
lineup
should be
supported
at
as
many
points
as
possible
.
If
there is
not
enough
headroom
to
lift
the
panel
by
its
lifting
beam
,
then
a
track
jack
can
be
used
.
The controller
can
be
raised
by
placing
a
track
jack
under
the
shipping
skid
.
Rollers
can
then be
placed
under
the
skid
for
rolling
the
equipment
to
its
final
location
.
The
panel
should
then be raised
by
its
lifting
beam
,
the
shipping
skid
removed
,
and the
panel
set
into
place
.
The
use
of
fork
-
lift
trucks
is
not
recommended
,
since
the
forks
may
damage
the
enclosure
or
interior
parts
of
the
equipment
,
and
the
equipment
becomes
very
unstable
when
lifted
from
the
bottom
.
If
no
other
method
of
handling
is
available
,
the
forks
must
go
under
the
skid
bottom
to
avoid
damaging
the
equipment
,
and
the
assembly
lifted
only
slightly
to
allow
the
skid
to
be slid
along
a
flat
,
level
surface
.
However
,
the
recommended
method
is
by
crane
as
pictured
.
Contactor
Removal
Normally
it
is
not
necessary
to
remove
the
contactor
from
its
mount
in
order
to
make
external
power
-
cable
and
control
-
wire
connections
.
If
the
contactor
is
not
to
be
removed
proceed
to
Step
4
.
Otherwise
,
follow
the
steps
outlined
below
to
remove
the
contactor
from
the controller
.
3
.
Contactor
removal
.
a
.
Remove
.
the
wing
nuts
holding
the
contactor
umbilical
cord
and
connectors
in
place
and
save
the
hardware
.
This hardware will be reused
to
remount
the
connector
when the
contactor
is
reinstalled
.
Unplug
the
connector
and
place
the
bracket
in
the
lower
front
channel
to
the
left
of
the
contactor
for
safe
keeping
.
See
Figure
24
.
13
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