Miller ps-100 소유자 매뉴얼 - 페이지 14
{카테고리_이름} Miller ps-100에 대한 소유자 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Miller ps-100 26 페이지. Arc welding power source
페이지 인쇄B.
Matching
The
Welding
Power Source To The
Available
Input Voltage
a
WARNING: ELECTRIC SHOCK
can
kill.
Do
not
touch live electrical
parts.
Shut
down unit and
disconnect
input
power
employing lockout/Tagging procedures
before
inspecting
or
seivicing.
Lockout/tagging
procedures
consist
of
padlocking
line
disconnect switch
in
open
posi
tion,
removing
fuses from fuse
box,
or
shutting
off
and
red-tagging
circuit breaker
or
other dis
connecting
device.
This unit is
equipped
with
input voltage jumper
links
either installed
or
in
a
bag
on
the
input
terminal board
to
allow
operation
from different line
voltages.
If
installed,
the
jumper
links
are
positioned
for the
highest voltage
stated
on
the
nameplate
or
input
data label.
II in
a
bag,
proper installation is necessary
before
operation.
a
WARNING: ELECTRIC SHOCK
can
kill.
Do
not
touch live electrical
parts.
Install
a
fusible line disconnect switch
in
the
input
circuit
to
the
welding
power
source.
This
provides
a
sate and convenient
means
to
completely
remove
all electrical power from the
welding
power
source
whenever It Is
necessary
to
inspect
or
service the unit.
Employ lockoutiTagging procedures
on
in
put
line before
making input
connections
to the
welding
power
source.
Lockout/tagging
procedures
consist
of
padlocking
line disconnect switch in
open
posi
tion,
removing
fuses from fuse
box,
or
shutting
off and
red-tagging
circuit breaker
or
other dis
connecting
device.
When
making input
power
connections,
work
from the
welding
power
source
to
deenergized
line disconnect switch.
Always
work
on
deener
gized
circuits when
making input
powerconnec
tions.
Remove the
top
cover
and
reposition
or
Install,
If
appli
cable,
the
jumper
links onto the terminal board to match
the available line
voltage positions
shown
on
the
input
voltage
label.
C.
Input
Conductor Connections
Table
3-2
provides guidelines
for
selecting
the propet
size
input
conductors and line fuses.
The
input
conduc
tor
should be covered with
an
insulating
material that
complies
with
national,
state,
and local electrical codes.
Table 3.2.
Input
Conductor And
Fuse Size
Input
Conductor Size
-
AWG
Fuse Size
In
Amperes
200V
I
230V
1460V1575V
500MCML~MCM~
110
1
(1)
(2)
(4)
(6)
200VI230V
I~0%hI
575V
600
500
300
200
lnputconckictor
sizes
are
based
on
National Electrical Code
specifi
caflons for allowable
ampacWesof
insulated copper
conductors,
hav
ing
a
temperature
rating
of 75
degrees
C.
with
not
more
than three
conductors in
a
racoway
or
cable. Numbers in
( )
are
equipment
ground
onductor sizes.
Install terminal
tugs
of
adequate
amperage
capacity
and
correct
stud size
onto the
Input
and
ground
conductors.
a
WARNING: ELECTRIC SHOCK
can
kill.
Do
not connect
an
input
conductor
to
the
ground
terminal in the unit.
Do
not connect
the
ground
conductor
to
an
in
put
line terminal.
Install and connect
Input
and
ground
conductors
as
fol
lows:
1.
Obtain and Install
a
proper strain relief
connector
into
rear
panel
access
hole
(
hole
accepts
standard
conduit
fittings).
2.
insert
input
conductors and
ground
conductor
through
rear
panel
access
hole and
route
conduc
tors to contactor.
3.
Connect
input
conductors
to line
terminals
on con
tactor.
4.
Connect
ground
conductor
to
ground
terminal
next
to contactor.
5.
Connect
remaining
end of
ground
conductor
to
a
proper
ground.
Use
a
grounding
method that is
ac
ceptable
to
the local electrical
Inspection authority.
6.
Reinstall and
secure
top
cover
onto
unit.
F2544
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