Miller ps-100 Manuale d'uso - Pagina 12

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SECTION 3- INSTALLA11ON
3.1.
LOCATION
a
WARNiNG:
FALLING
EQUIPMENT
can
cause
serious
personal Injury
and
equip
ment
damage.
Use
lifting
eye
to
lift unit
only,
NOT
running
gear, gas
cylinders,
trailer,
or
any
other
heavy
options,
accessories,
or
devices.
Use
equipment
of
adequate capacitytoliftthe
unit.
If
using
lift forks
to
handle this
unit,
be
sure
the
lift forks
are
long enough
to
extend out of the op
posite
side of the base.
Using
lift forks too short will
expose
internal
components
to
damage
should the
tips
of the lift
forks
penetrate
the bottom of the unit.
RESTRICTED
AIR
FLOW
causes
overheat
Ing
and
possible damage
to
Internal
parts.
Maintain
at
least 18 inches
(457mm)
of
unre
stricted space
on
all
sides of
unit,
and
keep
un
derside free of obstructions.
Do not
place
any
filtering
device
over
the in
take
air
passages of this
welding
power
source.
Warranty
Is void If any
type
of
filtering
device Is
used.
This
welding
power
source
has
a
lifting
device for
mov
ing
the unit and holes in the base for
mounting
purposes.
The location should
allow sufficient
room
to
remove
the
top
cover
and side
panels
for
installation, maintenance,
and
repair procedures.
IMPORTANT:
The
welding
power
source
must be lo
cated
so
that the
Control Module cord
can
reach the
welding
power
source.
The control module may be
in
stalled into
a
control console.
The service life and
operating efficiency
of this unit
are
reduced when the unit
Is
subjected
to
high
levels
of
dust,
dirt, moisture, corrosive
vapors, and
extreme
heat.
3-2.
WELD
OUTPUT CONNECTIONS
OUTPUT
To obtain the full rated
output
from
this
unit,
It is
neces
sary
to
select, install,
and maintain
proper
welding
ca
bles.
Failure
to
comply
in
any of these
areas
may result
in
less than
satisfactory
welding performance.
A.
Welding
Cables
If
welding
cables
were
not
ordered with this
unit,
the
steps
listed should be followed
to
ensure
the best weld
ing performance:
1.
Keep
cables
as
short
as
possible,
and
place
cables
close
together.
Excessive
cable
length
adds resis
tance which
may reduce
output
or cause
overload
ing
of the unit.
2.
Select
adequate
size
welding
cable for the antici
pated
maximum weld
current.
Use total
length
of
welding
cable
in the
circuit to determine cable size.
For
example:
lithe cable
to
spray gun is 25 feet
(7.5
mm)
long
and work cable is 25 feet
(7.5 mm)
long,
select the size cable recommended in Table 3i
for
50 feet
(15 m).
Table 3-1.
WeldIng
Cable Size
WELDING
AMPERES
TOTA LLEN GTH OF CABLE
(COPPERHN
WELD
CIPC%JIT
50
100
150
200
250
300
350
400
100
4
4
2
2
2
1
1/0
1/0
150
2
2
2
1
1/0
2/0
3/0
3/0
200
1
1
1
1/0
2/0
3/0
4/0
4/0
260
1/0
1/0
1/0
2/0
3/0
4/0
4/0
2-2(0
300
2/0
2/0
2/0
3/0
4/0
4/0
2-2/0
2-3/0
350
3/0
3/0
3/0
4/0
4/0
2.2/0
2-3/0
2-3/0
400
3/0
3/0
3/0
4/0
2.2/0
2.3/0
3-2/0
2-4/0
500
4/0
4/0
4/0
2.2/0
2-3/0
2-3/0
2-4/0
3-3(0
600
2-210
2-2(0
2-2/0
2-3/0
3-2/0
24/0
3-3/0
3-4/0
700
2-3/0
2-310
2-3/0
24/0
3-3/0
3-4/0
44/0
4-4/0
600
2-3/0
2-3/0
2-3/0
24/0
3-3/0
3-4/0
4-4/0
4-4/0
900
3-2/0
3-2/0
24/0
3-3/0
34/0
4-4/0
4.4/0
1000
24/0
24/0
24/0
24/0
4-3/0
4-4/0
1250
3-3/0
3-3/0
3-3/0
4-3/0
4-4/0
1500
3-4/0
3-4/0
3-4/0
44/0
A~2 623
NOTE:
A.
SOFEETOR LESS.
B.
CABLE SIZE IS BASED ON DIRECT CURRENT
(DC).
100% DUTY CYCLE
AND
EITHER
A 4
VOLTS OR LESS
DROP OR
A
CURRENT DENSITY OF NOT OVER
300
CIRCULAR MILS PER AMP.
C.
WELD
CABLE
INSULATION
WITH
A
VOLTAGE
RATING TO WITHSTAND
THE
OPEN-CIRCUIT VOLT
AGE 4OCV) OF THE WELDING POWER SOURCE MUST
BE USED. WHILE MOST WELDING POWER SOURCES
HAVE
AN
OPEN-CIRCUIT VOLTAGE OF LESS
THAN
100 VOLTS. SOME WELDING POWER SOURCES
OF
SPECIAL DESIGN
MAY
HAVE HIGHER OPEN-CIRCUIT
VOLTAGE.
3.
Do
not
use
damaged
or
frayed
cables.
A-002 623
-
4.
Install
correct
size
lugs
of
adequate
amperage
ca
pacity
onto
ends
of both cables for
connecting
to
work
clanp,
spray gun, and weld
output
terminals.
5.
Install spray gun
onto
cable
following
manufactur
ers instructions. An insulated spray
gun
must
be
used
to
ensure
operator
safety.
6.
Install work
clamp
onto
cable.
.~
~