GE AKD-6 User manual

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INSTRUCTIONS
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AKD
-
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LOW
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SWITCHGEAR
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ELECTRIC
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Courtesy of NationalSwitchgear.com

GEK
-
7210
T
,
Low
Voltage
Switchgear
j
A
CONTENTS
K
)
Breaker
Insertion
and
Removal
Breaker
Operation
.
,
y
INTRODUCTION
16
,
17
2
22
RECEIVING
,
HANDLING
,
STORAGE
Receiving
Handling
Removing
Shipping
Skid
Indoor
Equipment
Only
2
2
TESTING
AND
INSPECTION
22
,
4
RACKOUT
MECHANISM
OPERATION
24
4
KEY
INTERLOCKS
For
Breakers
.
..
.
For
Fuse
Rollouts
26
Storage
5
26
DESCRIPTION
Front
Enclosure
Breaker
Compartments
Bus
Compartment
Feeder
Cable
and
Busway
Compartment
Ground
Bus
Outdoor
Equipment
h
EQUIPMENT
INSTALLATION
Prior
to
Installation
Location
Foundation
Requirements
Anchoring
.
.
..
..
Assembly
of
Equipment
6
27
6
6
,
7
DOOR
INTERLOCKS
28
8
8
RACKOUT
MECHANISM
PADLOCK
DEVICES
9
30
9
MAINTENANCE
Breaker
and
Instrument
Compartments
,
Bus
Compartment
Feeder
Cable
and
Busway
Compartment
Overall
Switchgear
Paint
Refinishing
10
30
10
30
10
31
10
31
11
31
12
31
INTRODUCTION
RECEIVING
,
HANDLING
AND
STORAGE
This
book
contains
instructions
for
installing
,
operating
and
maintaining
AKD
-
6
Low
Voltage
Switchgear
.
It
should
be
read
carefully
before
installation
and
initial
operation
.
RECEIVING
Every
package
leaving
the
factory
is
plainly
marked
with
case
number
,
requisition
number
and
customer
’
s
order
number
.
If
the
equipment
has
been
split
for
shipment
,
the
unit
numbers
of
the
equipment
enclosed
in
each
shipping
package
are
identified
.
For
application
and
specification
information
,
refer
to
Bulletin
GEA
-
10279
.
Separate
publications
will
be
supplied
for
breakers
,
re
-
lays
or
other
devices
not
described
in
this
manual
.
All
equipment
leaving
the
factory
is
carefully
inspected
and
packed
by
personnel
experienced
in
the
proper
handling
and
packing
of
electrical
equipment
.
Upon
receipt
of
any
apparatus
,
make
an
inspection
immediately
for
damage
sustained
while
en
route
.
In
addition
to
instruction
books
,
the
following
drawings
will
be
supplied
:
Front
View
and
Floor
Plan
drawings
.
These
show
the
general
arrangement
,
height
,
recommended
aisle
space
,
etc
.
Summary
of
switchgear
equipment
.
This
is
a
partial
parts
list
,
giving
catalog
numbers
of
all
breakers
,
de
-
vices
,
etc
.
Electrical
diagrams
(
when
required
)
.
1
.
Air
circuit
breakers
are
shipped
separately
in
individual
cartons
with
the
breaker
in
the
open
position
.
Circuit
breakers
should
be
unpacked
and
inspected
as
soon
as
possible
after
they
have
been
received
.
*
'
>
«
X
.
1
2
.
Be
sure
to
inspect
devices
mounted
in
compartments
in
-
side
the
hinged
doors
.
3
.
i
All
of
these
documents
are
needed
for
installation
,
op
-
eration
and
maintenance
&
f
the
equipment
.
They
will
be
found
in
a
packet
inside
the
auxiliary
unit
,
or
in
one
of
the
instrument
or
breaker
compartments
.
If
damage
is
evident
,
or
indication
of
rough
handling
is
visible
,
file
a
claim
for
damage
at
once
with
the
trans
-
portation
company
.
Notify
the
General
Electric
Company
Sales
Office
promptly
.
Information
on
damaged
parts
,
part
number
,
case
number
,
requisition
number
,
etc
.
,
should
ac
-
company
the
claim
.
These
Instructions
do
not
purport
to
cover
aft
details
or
variations
in
equipment
nor
to
provide
for
every
possible
con
*
tingency
to
be
met
In
connection
with
installation
,
operation
or
maintenance
.
Should
further
information
be
desired
or
should
particular
problems
arise
which
are
not
covered
su
/
fic
/
ent
/
y
for
the
purchaser
'
s
purposes
,
the
matter
should
be
referred
to
the
General
Blectric
Company
.
\
•
>
fa
'
2
Courtesy of NationalSwitchgear.com

I
*
.
V
.
Low
Voltage
Switchgear
,
GEK
-
72101
f
'
which
they
are
stored
.
Large
items
(
such
as
hoist
dollies
and
hoist
carriages
used
with
indoor
equipment
)
will
always
be
shipped
in
separate
crates
or
cartons
.
To
avoid
the
loss
of
small
parts
when
unpacking
,
the
contents
of
each
case
should
be
carefully
checked
against
the
packing
list
before
discarding
the
packing
material
.
The
contents
of
each
shipping
package
are
listed
on
the
Master
Packing
List
,
This
list
indicates
the
number
of
the
case
in
which
miscellaneous
parts
needed
to
install
and
operate
the
equipment
(
such
as
contact
lubricant
,
touch
-
up
paint
,
breaker
closing
devices
,
etc
,
)
are
located
.
If
such
items
are
packed
in
a
switchgear
unit
Instead
of
a
separate
crate
,
the
list
will
indicate
the
appropriate
unit
number
in
y
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REAR
FRONT
2
,
«
>
§
V
NOT
FURNISHED
WITH
EQUIPMENT
JACK
HERE
TIE
CABLE
A
!
JV
•
N
u
o
M
n
or
Co
)
Co
;
M
!
1
SIDE
VIEW
FRONT
VIEW
RECOMMENDED
METHOD
OF
JACKING
AFTER
SHIPPING
SKIDS
ARE
REMOVED
ROLLERS
MAY
BE
USED
TO
ROLL
EQUIPMENT
PARALLEL
TO
FRONT
ONLY
LIFTING
8
PREADERS
MUST
BE
USED
AND
TOP
COVERS
MUST
BE
IN
PLACE
WHEN
LIFTING
EQUIPMENT
\
12
)
ANGLES
4
"
X
3
"
X
X
*
THK
,
FRONT
AND
REAR
)
NOT
FURNISHED
W
LIFTING
PLATE
ITH
EQUIPMENT
NOT
FURNISHED
WITH
EQUIPMENT
HOIST
RAIL
(
FRONT
ONLY
)
WHEN
FURNISHED
I
FRONT
CHANNEL
1
i
l
FRONT
ZJ
I
I
VIEW
A
-
A
ENLARGED
TIMBER
I
FRONT
RECOMMENDED
METHOD
OF
LIFTING
)
FIG
.
1
(
0673
D
0500
-
265
)
Methods
of
Handling
Indoor
Equipment
3
Courtesy of NationalSwitchgear.com

GEK
-
72101
,
Low
Voltage
Switchgear
5
'
bolt
holes
used
for
final
installation
.
The
bolts
in
the
rear
of
the
equipment
may
be reached
by opening
the
rear
doors
,
To
reach
the
bolts
in
the
front
,
the
inner
housing
in
the
bottom
breaker
compartment
must
be
brought
out
to
the
disconnected
position
,
Fig
.
3
shows
the
front
bolt
locations
,
and
the drawout
procedure
is
explained
on
Pages
16
and
17
.
HANDLING
.
c
The
switchgear
units
are
best
handled
by
crane
.
Remov
-
able
lugs
are
provided
on
top
of
the
indoor
switchgear
.
When
using
a
crane
for
lifting
,
a
cable
spreader
must
be
used
to
obtain
a
vertical
pull
on
the
lifting lugs
.
Recom
-
mended
lifting
method
is
shown
in
Figure
1
.
CAUTION
:
IF
THE
SKID HAS
BEEN
RE
-
MOVED
,
BE
SURE
THE
ROLLERS USED
ARE
SPACED
SO
THAT
THE
THREE
CHAN
-
NELS
REST
ON TOP OF
THE
ROLLERS
,
A
DIRECT APPLICATION
OF
THE
ROLLERS
BETWEEN
THE
CHANNELS
MAY
TEAR
OR
DISTORT
THE
EQUIPMENT
.
If
practical
,
the
shipping
skid should be
left
on
the
equipment
until
it
is
at
or
near
its
final
location
.
If
crane
facilities
are
not
available
,
the
equipment
may
be
moved
into
position
by
means
of
construction
rollers
placed
under the
shipping
skid
,
Where
overhead
clearance
is
insufficient
,
the
shipping
skid
may
be
removed
and the
equipment
moved
by
rollers
placed
under the three channels
under
the
equipment
.
4
Jacks
may
also
be
used
to
handle
the
equipment
when
a
crane
is
not
available
.
See
Figures
I
and
2
.
i
The skid
is bolted
to
the
equipment
through
the
anchor
/
NOT
FURNISHED
WITH
6
WGR
,
Sf
^
APER
r
I
.
0
•
>
&
TIMBER
FRONT
4
)
3
*
•
V
9 9
9
9
REAR
J
SIDE
VIEW
FRONT
VIEW
RECOMMENDED
METHOD
OF
LIFTING
'
V
K
i
\
r
JACKING
TIMBER
NOT
FURNI
8
IIED
WITH
SWGR
.
REAR
OR
FRONT
S
9
FT
-
JACK
MERE
i
:
CABLE
PARTIAL
BIDE
VIEW
FOR
JACKING
PARTIAL
FRONT
OR
REAR
VIEW
FOR
JACKING
.
«
RECOMMENDED METHOD
OF
JACKING
I
FIG
.
2
(
0673
D
0500
-
266
)
Methods
of
Handling
Outdoor
Equipment
W
’
4
i
Courtesy of NationalSwitchgear.com

*
tow
Vo
/
/
age
Switchgear
,
GEK
-
72101
£
move
the
shipping
members
at
this
time
.
Methods
of
handling
outdoor
switchgear
,
shown
in
Fig
-
ure
2
,
are
much
the
same
as
for
indoor
equipments
except
that
lifting
plates
are
provided
at
the
base
of
the
structure
.
The
lifting
plates
should
be
removed
after
the
equipment
is
permanently
anchored
so
that
passageway
at
the
ends
of
the
equipment
will
not
be
obstructed
.
f
,
\
If
it
is
necessary
to
store
the
equipment
for
any
length
of
time
,
the
following
precautions
should
be
taken
to
pre
-
vent
corrosion
or
deterioration
.
1
.
Uncrate
the
equipment
Check
thoroughly
for
damage
.
2
.
Store
in
a
clean
,
dry
,
rodent
free
location
with
moderate
temperature
and
provide
protective
coverings
'
to
pre
-
vent
dirt
,
water
,
or
other
foreign
substances
from
enter
-
ing
the
switchgear
.
3
.
If
dampness
or
condensation
may
be
encountered
in
the
storage
location
,
heaters
must
be
placed
inside
the
units
to
prevent
moisture
damage
.
Approximately
250
watts
of
heat
in
each
unit
is
required
.
On
outdoor
switchgear
this
may
be
accomplished
by
making
a
temporary
power
supply
connection
to
the
heaters
al
-
ready
installed
in
the
equipment
.
CAUTION
:
REMOVE
ALL
CARTONS
AND
OTHER
MISCELLANEOUS
PACKING
MA
-
TERIAL
FROM
INSIDE
THE
UNITS
BEFORE
ENERGIZING
ANY
HEATERS
.
Store
the
circuit
breakers
in
a
clean
,
dry
location
in
an
upright
position
,
They
must
be
properly
supported
to
pre
-
vent
bending
of
the
studs
or
damage
to
any
of
the
breaker
parts
.
Do
not
remove
any
protective
grease
until
they
are
ready
to
be
installed
,
A
covering
of
kraft
or
other
non
-
absorbent
paper
will
prevent
dust
from
settling
on
the
breakers
.
i
STORAGE
If
breakers
are
not
to
be
placed
in
service
at
once
,
remove
them
from
their
shipping
cartons
and
thoroughly
inspect
them
.
If
everything
is
in
satisfactory
condition
,
replace
the
breakers
in
their
shipping
cartons
for
storage
.
Do
not
re
-
£
7
I
I
I
ONTROL
WIRE
WAY
.
I
I
FULL
HE
6
HT
BREAKER
OR
INSTRUMENT
COMPARTMENT
BUS
COMPART
-
MENT
.
WIRE
TROUGH
WHEN
REQUIRED
.
1
A
m
•
I
i
epf
1
V
4
-
I
3
HARDWARE
FOR
ANCHORING
Sf
CABLE
CABLE
OF
BUSWAY
COMPART
-
MENT
.
/
BREAKER
COMPARTMENT
l
.
j
.
FLOOR
PLATE
?
V
t
PT
.
it
t
B
a
X
w
!
(
OPTIONAL
I
V
N
i
L
\
TYPICAL
BOTTOM
BREAKER
COMPARTMENT
SHOWN
WITH
INNER
HOUSING
MOVEO
TO
THE
DISCONNECTED
P
08
ITI
0
N
FOR
REMOVAL
OF
SKID
D
0
LT
8
OR
INSERTION
OF
ANCHOR
BOLTS
l
B
ISOLATIN
'
5
BARRIER
MAIN
a
TIE
UNITS
LOAD
STU
(
OPTIONAL
)
"
C
"
E
i
BREAKER
COMPARTMENT
.
POSITION
i
i
:
C
IT
t
b
r
FIG
.
4
(
0148
A
5073
-
0
)
Side
View
showing
Compartmentatlon
FIG
,
3
(
0673
D
0500
-
265
)
Location
of
skid
bolts
(
and
anchor
bolts
)
in
front
of
Indoor
Equipment
r
5
Courtesy of NationalSwitchgear.com

9
\
GEK
-
72101
,
Low
Voltage
Switchgear
LOAD
CENTER
UNIT
SUBSTATION
AKD
-
6
LOW
VOLTAGE
SECTION
SHIPPING
PACKAGE
PRIMARY
SECTION
-
—
SHIPPING
PACKAGE
-
TRANSFORMER
SHIPPING
PACKAGE
BREAKER
UNITS
SWITCH
AUXILIARY
|
UNIT
UNIT
|
014
UNIT
NO
'
S
.
001
Oil
012
013
015
COMPARTMENT
IDENT
^
ICATION
4
4
V
FIG
.
5
(
0102
C
5207
-
0
)
Outline
of
a
typical
Load
Center
Unit
Substation
showing
nomenclature
DESCRIPTION
General
Electric
AKD
-
6
Lovil
'
Voltage
Switchgear
is
free
-
standing
assembly
of
metal
-
enclosed
units
of
Power
Circuit
Breakers
and
other
auxiliary
power
circuit
protec
-
tive
devices
.
It
may
also
be
a
part
of
a
single
-
ended
or
double
-
ended
Load
Center
Unit
Substation
.
FRONT
ENCLOSURE
a
The
front
enclosure
of
each
unit
is
divided
into
in
-
dividual
compartments
.
These
compartments
either
house
a
power
circuit
breaker
or
are
used
to
mount
instruments
and
other
protective
devices
and
control
components
.
Figure
4
is
an
outline
of
a
side
view
of
a
typical
unit
showing
compartmentation
,
and
Figure
5
is
an
outline
of
a
typical
single
-
ended
Load
Center
Unit
Substation
illus
-
trating
the
nomenclature
used
for
all
equipment
.
4
BREAKER
COMPARTMENTS
—
AK
BREAKERS
—
MOUNTING
CODE
2
A
,
3
A
,
4
A
,
OR
5
A
All
of
the
switching
and
protective
devices
,
control
and
metering
devices
,
control
fuses
and
instrument
trans
-
formers
are
mounted
in
the
enclosure
.
The
breaker
positions
are
all
of
the
drawout
type
.
The
breakers
are
provided
with
self
-
coupling
primary
and
secondary
disconnecting
contacts
and
incorporate
positive
and
indirect
interlocks
to
insure
proper
operating
sequence
.
Each
of
the
individual
units
,
compartments
and
devices
is
described
in
the
following
paragraphs
.
These
breakers
are
supported
within
their
compartments
by
a
rollout
track
which
is
part
of
the
drawout
mechanism
attached
to
the
sides
of
the
compartment
.
See
Figure
6
.
The
drawout
mechanism
is
shown
in
an
exploded
view
,
Figure
19
,
and
its
operation
is
explained
in
detail
under
“
Drawout
Mechanism
Operation
.
”
-
v
.
>
•
6
Courtesy of NationalSwitchgear.com

Low
Voltage
Switchgear
,
GEK
-
72101
c
BREAKER
COMPARTMENTS
—
AKR
,
AKRU
,
AKRT
BREAKERS
-
MOUNT
1
NG
CODE
3
A
,
4
A
OR
5
A
rating
which
have
duplicate
wiring
may
be
interchanged
.
Each
breaker
compartment
has
four
positions
.
They
are
illustrated
in
Figure
18
and
described
below
.
1
.
CONNECTED
POSITION
—
The
breaker
is
in
operating
position
,
both
primary
and
secondary
contacts
made
and
the
door
closed
.
2
.
TEST
POSITION
—
The
primary
contacts
are
separated
by
a
safe
distance
,
but
the
secondary
contacts
are
made
.
Any
breaker
test
not
involving
power
may
be
made
in
this
position
.
The
door
may
be
closed
in
this
posi
-
tion
,
and
must
be
closed
before
charging
the
spring
on
a
manually
operated
AKR
breaker
because
an
open
door
will
interfere
with
the
breaker
handle
travel
.
3
.
DISCONNECTED
POSITION
—
Neither
the
primary
nor
the
secondary
contacts
are
made
,
The
door
may
be
closed
.
4
.
WITHDRAWN
POSITION
—
The
breaker
is
completely
out
of
its
compartment
ready
for
removal
from
the
equipment
.
The
door
must
be
open
.
NOTE
;
ALTHOUGH
THE
BREAKER
COM
-
PARTMENT
DOOR
MAY
BE
OPENED
IN
ANY
POSITION
,
IT
IS
RECOMMENDED
THAT
THE
DOOR
ONLY
BE
OPENED
WHEN
THE
BREAKER
IS
IN
THE
DISCONNECT
OR
WITHDRAWN
POSITION
.
CAUTION
;
NEVER
OPEN
THE
BREAKER
DOOR
WHEN
THE
BREAKER
IS
CLOSED
AND
IN
THE
CONNECTED
POSITION
.
These
breakers
are
supported
on
a
rollout
track
in
the
same
manner
as
the
AK
breakers
,
However
,
since
the
rackout
mechanism
is
mounted
on
the
breaker
,
there
are
no
jackshafts
in
the
enclosure
.
See
Figure
7
,
Racking
arms
on
both
sides
of
the
breaker
frame
engage
the
drawout
mechanism
pins
fastened
to
both
sides
of
the
compartment
.
i
Note
that
extra
items
shown
in
Figures
6
and
7
(
such
as
secondary
disconnects
,
position
switches
and
ground
sensor
secondary
disconnects
)
may
appear
in
any
compartment
or
not
be
included
at
all
,
depending
on
the
equipment
spec
-
ified
.
Also
note
that
the
bracing
for
the
primary
disconnects
shown
in
Figure
7
may
be
a
single
piece
of
insulating
material
instead
of
three
separate
pieces
,
i
•
\
.
•
:
•
-
1
i
A
stop
link
is
located
on
each
side
of
all
AK
breaker
compartments
.
These
links
prevent
an
operator
from
manu
-
ally
pushing
a
breaker
set
on
the
tracks
all
the
way
into
the
compartment
when
the
racking
mechanism
is
in
the
connected
position
.
In
a
compartment
made
for
AKR
breakers
,
the
latches
that
rest
on
the
drawout
mechanism
pins
prevent
the
inner
house
from
being
manually
moved
all
the
way
into
the
compartment
when
no
breaker
is
set
on
the
tracks
.
i
:
i
Ml
:
f
•
I p
All
AK
or
AKR
circuit
breakers
of
the
same
type
and
?
)
SECONDARY
DISCONNECTS
*
t
KEY
INTERLOCK
-
STOP
LINK
TRACK
LOCK
LINK
ROLLOUT
TRACK
OPERATING
SHAFT
ROLLOUT
-
TRACK
—
JACK
SHAFT
INDICATOR
CHAIN
COVER
k
CURRENT
*
TRANSFORMER
GROUND
SENSOR
SECONDARY
DISCONNECT
LH
T
FIG
.
6
(
8042645
)
Typical
AK
breaker
compartment
!
'
•
V
'
1
'
jj
A
7
Courtesy of NationalSwitchgear.com

GEK
-
72101
,
Low
Voltage
Switchgear
r
SECONDARY
DISCONNECTS
AMMETER
SWITCH
INNER
HOUSE
PADLOCK
DEVICE
-
AMMETER
INDICATOR
CLOSE
FUSES
STOP
LINK
KEY
INTERLOCK
INDICATING
LIGHTS
TEST
SWITCHES
DRAWOUT
MECHANISM
PIN
TRIP
KEY
INTERLOCK
SLIDE
FUSES
DOOR
INTERLOCK
TRACK
LOCK
LINK
CURRENT
TRANSFORMER
LATCH
ROLLOUT
TRACK
ROLLOUT
TRACK
GROUND
SENSOR
SECONDARY
DISCONNECT
POSITION
SWITCH
AND
COVER
-
.
COVER
REQ
'
D
,
IN
FUSED
'
•
/
-
'
V
BRKR
,
COMPT
.
ONLY
«
V
•
FIG
.
7
(
8041585
)
Typical
AKR
breaker
compartment
BUS
COMPARTMENT
another
.
At
shipping
splits
,
or
where
connections
are
to
be
made
to
other
equipment
during
installation
,
provision
is
made
for
a
bolted
joint
.
Copper
buses
have
bolted
joints
between
each
unit
.
The
bus
compartment
,
between
,
the
front
enclosure
and
the
rear
cable
compartment
,
goqj
&
ins
all
of
the
bus
and
necessary
bus
supports
for
a
particular
section
.
This
bus
compartment
is
isolated
from
the
breaker
and
instrument
compartments
by
barriers
.
Isolation
barriers
between
the
bus
and
cable
compartments
are
optional
,
A
typical
ar
-
rangement
with
an
all
-
welded
aluminum
bus
is
shown
in
Figure
8
.
Bolts
are
used
for
supports
or
at
connections
which
must
be
made
in
the
field
.
Bolted
copper
buses
are
optional
.
FEEDER
CABLE
AND
BUSWAY
COMPARTMENT
The
rear
cable
and
terminal
compartment
provides
ade
-
quate
room
for
cable
installation
.
Straight
cable
runs
can
be
made
from
the
bars
at
the
load
side
of
the
feeder
breakers
to
conduits
entering
above
or
below
.
Various
arrangements
of
single
or
double
cable
terminals
are
pro
-
vided
,
depending
upon
the
purchaser
’
s
requirements
.
One
typical
terminal
arrangement
is
shown
in
Figure
9
.
tto
On
main
breaker
and
tie
breaker
units
the
bus
compart
-
ment
may
be
divided
into
an
upper
and
lower
section
by
an
optional
isolation
barrier
.
For
main
breakers
,
the
upper
section
contains
the
incoming
line
bus
,
fed
from
the
bus
connections
in
the
auxiliary
unit
,
while
the
lower
section
contains
the
main
bus
which
connects
with
the
other
units
.
Optional
barriers
at
tie
breakers
isolate
the
two
main
bus
sections
from
each
other
.
An
add
-
on
unit
,
18
inches
deep
,
is
available
for
extending
the
cable
compartment
of
the
22
inch
wide
unit
.
The
com
-
partment
is
extended
when
more
than
two
busway
runs
from
above
or
below
are
used
,
and
also
when
the
quantity
of
conduits
leaving
the
unit
cannot
be
accommodated
in
the
normal
available
space
.
•
Aluminum
buses
run
continuously
from
one
unit
to
W
'
8
Courtesy of NationalSwitchgear.com

!
h
;
>
i
'
Law
Voltage
Switchgear
,
GEK
-
72101
t
‘
jpSjtflf
i
«
|
f
V
.
m
r l
*
.
_
•
/
.•
.
r
*
T
;
;
-
r
^
.
:
v
’
v
teci
*
.
:
•
V
<
,
'
;
>
:
:
*
.
„
>
•
‘
.
"
;
i
•
*
V
-
’
.
•
•
•
'
.
•
illstef
^
4
S
;
;
nt
pi
»
ffi
®
Ji
*
tes
ip
,
-
-
;
mm
ms
^
rn
-
m
»
v
•
:
u
i
-
•
§
§
§
g
|
p
‘
i
•
V
.
*
v
FIG
,
9
(
8042651
)
Typical
Terminal
Arrangement
In
a
4
-
blgh
unit
FIG
.
8
(
8042652
)
Bus
Compartment
M
.
i
The
ground
bus
is
bolted
to
the
rear
of
.
the
cable
com
-
partment
near
the
bottom
.
A
4
/
0
connector
is
included
on
each
equipment
for
making
the
connection
to
the
station
ground
.
A
recommended
location
for
this
connection
is
shown
on
the
floor
plan
drawing
.
Conduits
for
large
cables
should
be
near
the
rear
of
the
cable
compartment
to
provide
space
for
bending
these
cables
as
necessary
.
*
‘
A
Beside
power
cable
connections
,
some
equipments
in
-
clude
an
enclosed
wiring
trough
on
the
left
side
(
rear
view
)
of
the
cable
compartment
,
providing
for
control
circuit
connections
.
Terminal
boards
are
provided
in
this
trough
for
making
control
wiring
connections
during
installation
,
>
•
>
.
i
Where
AKD
-
6
switchgear
is
shipped
in
more
than
one
package
,
the
ground
bus
must
be
connected
at
the
.
ship
-
ping
splits
.
!
i
.
A
neutral
bus
is
provided
in
the
cable
compartment
on
switchgear
designed
for
four
wire
systems
.
It
consists
of
bars
with
plated
connection
areas
,
and
is
installed
at
either
a
height
of
about
18
Inches
from
the
floor
or
at
about
6
feet
.
In
most
equipments
the
neutral
bus
is
insulated
from
ground
,
!
OUTDOOR
EQUIPMENT
Outdoor
switchgear
is
constructed
as
a
basic
indoor
equipment
completely
enclosed
in
a
weatherproof
housing
with
a
walk
-
in
front
aisle
,
Figure
10
.
Space
heaters
are
provided
in
all
outdoor
equipments
.
There
is
one
115
v
,
ac
250
watt
heater
located
in
the
bus
compartment
of
each
unit
.
These
heaters
should
be
energized
at
all
times
to
reduce
condensation
in
the
equipment
.
GROUND
BUS
CAUTION
;
IT
IS
VERY
IMPORTANT
THAT
EQUIPMENT
BE
ADEQUATELY
GROUNDED
FOR
SAFETY
,
t
J
"
~
V
^
k
-
v
/
;
v
i
9
Courtesy of NationalSwitchgear.com

GEK
-
72101
,
Low
Voltage
Switchgear
wmm
wmm
iMI
m
m
FIG
,
10
(
8042659
)
Typical
Outdoor
Shipping
Section
i
EQUIPMENT
INSTALLATION
FOUNDATION
REQUIREMENTS
PRIOR TO
INSTALLATION
Indoor
Equipment
—
Suitable
means
must
be
provided
by
the
purchaser
for
mounting
and
anchoring
the
switchgear
to
the floor
.
Before
any
installation work
is
performed
,
study
all
drawings
furnished
by
G
.
E
.
Co
.
for
the
particular
installa
-
tion
,
These
include
arrangement
drawings
(
front
and
plan
view
)
,
connection
and
elementary
diagrams
,
installation
drawings
and
a
summary
of
th
^
quipment
.
When
request
-
fa
ctqvy
on
any
specific
item
furnished with
the
equipment
,
refer
to
the
item
by
sum
-
mary
and
identification
number wherever
possible
.
Any
material external
to
the
equipment
which
may
be
required
to
meet
local
codes
(
such
as
mats
,
screens
,
railings
,
etc
.
)
is
not
furnished
.
CAUTION
:
IF
THE
FOUNDATION IS SUB
-
JECT
TO
VIBRATIONS
,
SPECIAL
MOUNTING
MUST
BE
PROVIDED
TO
PREVENT
THE
TRANSMITTAL
OF VIBRATIONS
TO
THE
EQUIPMENT
.
ing
information
from
the
Although
the
equipment
is furnished with
built
-
in
chan
-
nels
so
that
it
can
be mounted
directly
on
a
smooth
,
level
floor
,
it
is
recommended
that
recessed
steel
channels be
installed
by
the
purchaser
for
supporting
the
equipment
.
The floor
channels
under
the
front
and
rear
switchgear
channels should
be embedded
in
a
level
concrete
slab
with
their
top
surfaces
flush with
the
finished
floor
.
It
is
es
-
sential
that
these
steel channels
be
level
and
aligned
with
each other
prior
to
final
anchoring
,
and
that
the
center
switchgear
channel
be
supported
by
the finish floor
to
avoid
distortion
of
the
switchgear
structure
.
If
the
gear
is raised
above
the
floor
level
by
the
mounting
channels
,
the
center
switchgear
channel
must
be
supported
at
the
same
level
.
If
other
equipment
is
installed
in
the
same
lineup
,
all
channels
must
be
level
and
aligned
with
each
other
,
LOCATION
In
locating
AKD
-
6
switchgear
,
provide
adequate
aisle
space
at
the
front
and
rear
of
the
equipment
.
The
recom
-
mended
aisle
space
is
shown
on
the floor
plan
drawing
,
and is
in
accordance
with
N
.
E
.
C
.
Article
110
.
Local
codes
should be checked
for
any
special
aisle
requirements
.
The
equipment
should
be
placed
in
an
area
where
clean
air
is
free
to
circulate around
and above
it
.
Since
air
is
taken
into
the
units
at
the
bottom
and is
exhausted
at
the
top
,
a
location
with
good
air
flow
will
provide
more
effi
-
:
;
j
cient
operation
.
k
*
10
Courtesy of NationalSwitchgear.com