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SECTION 2-INTRODUCTION
Model
Welding
Current
Ranges
Amperes
Mao.
Open
Ciruuit
Vollugo
Rated
Wsldieg
Current
Amperes
Amperes
Input
At
Ruled
LoS
Output
60Hz.
208)260
Vults
230
Volts
460
Volts
hoe
kw
Ooerull
Oimensions
Inches)
.
Weight
Net
Ship
Without
Power
Poctor
Correction
With
Power
Pector
Correction
ec
Low
25-125
High
105-325
dc
Low
20-88
High
70-250
oc
78
dc
75
250W
30
Volts,
30%
Outy
Cycle
103
90
45
20.7
11.8
.
~
H
ht
-
26-1/4
Wdth
-
15
0
th
25
~
-
.
332
340
342
350
200
@
28
Volts,
50%
Ooty
Cycle
go
io
65
35
34
16.1
8.2
25051
30
Volts.
30%
Ouly Cycle
78
15.6
11.8
20051
28
Volts,
50%
Outy Cycle
~y
5~
25
11.5
8.2
~NEMA RATIN~jthe
above electrical
specifications
Conform with
Nema
Rating
EW
1-1971,
Nema Class
11(30)
and
comply
with ANSI Standard
C87.1-1971.
Figure
2-1.
Specifications
This manual has been
prepared especially
for
use
in
familiar
izing personnel
with the
design,
installation,
operation,
main
tenance,
and
troubleshooting
of
this
equipment
All
information
presented
herein
should be
given
careful
con
sideration
to assure
optimum performance
of this
equipment
Prior
to
installing
this
equipment,
clean all
packing
material
from around the unit and
carefully inspect
for
any
damage
that
may
have occurred
during shipment. Any
claims for loss
or
damage
that
may
have occurred in transit
must
be filed
by
the
purch~er
with
the carrier. A copy of the bill of
lading
and
freight
bill
will be furnished
by
the carrier
on
request if
occasion
to
file claim arises.
When
requesting
information
concerning
this
equipment,
it is
essential
that M0%Jel
Designation
and/or
Stock Number and
Serial
(or
Style)
Number of the
equipment
be
supplied.
This unit
is
a
single phase powered welding
power
source,
which
produces
both
ac
and dc
welding
current.
This
welding
power
source
is
capable
of
operation
on
either
200,
230
or
460
volt
60
Hertz
primary
electricel power.
Jumper
links
are
provided
with the
welding
power
source
for
the purpose of
matching
the machine
to
one
of the above
available
input voltages.
AA-gol g73-4
Before the
equipment
is
put into
operation,
the
safety
sec
tion
at
the front of this manual should be read
completely.
This will
help
avoid
possible injury
due
so
misuse
or
improper
welding applications.
The
following
definitions
apply
to
CAUTION,,
IMPORTANT,
and
NOTE blocks found
throughout
this manual:
Installation,
operating,
and maintenance
procedures,
practices,
etc., which will result in
personnel injury
or
~.
loss of life if
not
carefully
followed.
I
Installation,
operating,
and maintenance
procedures,
practices,
etc., which will
result in
damage
to
equip-
men
t.
Proper
installation
can
contribute
materially
to
the satisfac
tory and trouble-free
operation
of the
welding
power
source.
It is
suggested
that each step in this section be studied
care
fully
and followed in detail.
Installation,
operating,
and maintenance
procedures,
practices.
etc., which it is essential
to
emphasize
3-1.
LINE DISCONNECT SWITCH
SECTION 3
-
INSTALLATION
CAUTION
I
A
precautionary
measure
should
be
toprovide
maximum
protection against
electrical shock. Before
electrical
connections
are
made from the
switch,
be
sure
that the line disconnect switch has been
opened
or
the
primary input
circuit fuses have been removed
and
remain
that
way
until the installation has been
completed.
.
Proper
installation
can
contribute
materially
to
the satisfac
tory and trouble.free
operation
of
the
welding
machine.
It is
suggested
that each
step in this section be studied
carefully
and followed in detail.
3-2.
LOCATION
A
good
installation is essential if the
welding
power
source
is
to
provide satisfactory
and
dependable
service.
2-1.
GENERAL
Figure
2-2.
Block
Diagram
24.
SAFETY
2-2.
RECEIVING-HANDLING
2-3.
DESCRIPTION
I
NOTE
OM-313
Page
5
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