Siemens GMI Series

Installation
Checks
and
Initial
Functional
Tests
As
-
Found
and
Vacuum
Check
Tests
-
Perform
and record
the
results
of
both
the
As
-
Found
insulation
test
and
the
vacuum
check
high
-
potential
test
.
Procedures
for
these
tests
are
described
in
the
Maintenance
Section
of
this
manual
.
Removal
from
Upper
and
Lower
Cell
in
Outdoor
Non
-
Walk
In
Enclosures
or
for
Indoor
Switchgear
Installed
on
a
Raised
Pad
-
Because the
floor
level
in
non
-
walk
in
outdoor
enclosures
is
approximately
6
inches above
grade
(
founda
-
tion
)
level
,
the
lower breaker
in
either
a one
-
high
or
two
-
high
section
of
switchgear
must
be
removed
using
the
preceding
procedure
for
upper
breaker
removal
.
The
approved
breaker
lifting
device should be used
for
re
-
moval
of
both lower and
upper
breakers
from
the extension
rails
of
outdoor
non
-
walk
in
enclosures
.
Physical
Inspections
1
.
Verify
that
rating
of
the circuit
breaker is
compatible
with
both
the
system
and the
switchgear
.
2
.
Perform
a
visual
shipping
damage
check
.
Clean
the breaker
of
all
shipping
dust
,
dirt
and
foreign
material
.
Manual
Spring Charging
Check
1
.
Insert the manual
spring charging
lever into
the manual
charge
handle
socket
as
shown
in
Figure
6
.
Operate
the
lever
up
and
down
until the
spring
condition indicator
shows
the
closing spring
is
Charged
.
2
.
Repeat
the
Spring
Discharge
Check
.
3
.
Verify
that
the
springs
are
discharged
and the
breaker
primary
contacts
are
open
by
indicator
positions
.
Automatic
Spring
Charging
Check
Note
:
A
temporary
source
of
control
power
and
test
leads
may
be
required
if
the
control
power
source
has
not
been
con
-
nected
to
the
switchgear
.
(
Refer
to
the
specific
wiring
informa
-
tion and
rating
label
for
your
circuit breaker
to
determine the
voltage
required
and
where the
control
voltage
signal
should
be
applied
.
Usually
,
spring
charging
power
is
connected
to
secondary
disconnect
fingers
SD
16
and
SD
15
,
closing
control
power
to
SD
13
and
SD
15
,
and
tripping
power
to
SD
1
and
SD
2
.
)
When
control
power
is
connected
to
the
GMI
circuit breaker
,
the
closing
springs
should
automatically
charge
.
The
automatic
spring
charging
features
of
the circuit
breaker
must
be
checked
.
Control
power
is
required
for
automatic
spring
charging
to
take
place
.
1
.
Open
control
power
circuit
by removing
pullout
fuse
holder
shown
in
Figure
1
,
2
.
Install
breaker end
of
split
plug
jumper
(
if
furnished
)
shown
in
Figure
7
to
the
circuit
breaker
.
The
plug
jumper
is
secured
by
means
of
screws
,
over
the circuit
breaker
'
s
secondary
contacts
.
A
CAUTIO
4
5
=
=
asns
»
21659
-
93
Figure
7
:
Split
Plug
Jumper
Connected
to
Circuit
Breaker
.
Figure
6
:
Manual
Charging
of
Closing Springs
.
6
Courtesy of NationalSwitchgear.com