Diagrams, Dc-600 red-d-arc – Lincoln Electric IM669 RED-D-ARC DC-600 User Manual
Page 40
F-5
DIAGRAMS
F-5
DC-600 RED-D-ARC
N
.C
.
Tape up bolted connection if lead #
21
is extended.
N
.D
.
C
onnect the control cable ground lead to the frame terminal
marked near the power source terminal strip.
The power
source grounding terminal
(marked and located near the power
source input power connections
) must be properly connected to
electrical ground per the power source operating manual.
N
.A
.
W
elding cables must be of proper capacity for the current and
A
bove diagram shows electrode connected positive.
To change polarity,
turn power off, reverse the electrode and work leads at the power
NEGATI
V
E
POSITI
V
E
32 31 2 4
GND
21
N
.A
.
N
.D
.
ELECTRODE
CABLE
TO
WIRE
FEED
UNIT
TO
WORK
POWER
SOURCE
N
.E
.
Only qualified persons should install, use or
service this machine.
Do not operate with covers removed.
Disconnect power source before
servicing.
Do not touch electrically live parts.
CABLE
21
FOR
CONTROL
CABLE
WITH
14
PIN
MS-T
Y
PE
PLUG
CONNECTOR
OR
FOR
CONTROL
CABLE
WITH
TERMINAL
STRIP
LEAD
CONNECTORS
CONTROL
CABLE
S22
977
source and position the switch on wire feeder
(if equipped
)
to proper polarity.
Also refer to note
N.
F.
N
.B
. &
N
.C
.
14-PIN
RECEPTACLE
A
B
C
N
.E
.
If using an older
LN-8
control cable
: connect lead #
75
to #
75
on
terminal strip, connect lead #
76
to #
76
on terminal strip, connect
lead #
77
to #
77
on the terminal strip.
the #
21
terminal that matches work polarity.
This connection must be
changed whenever the electrode polarity is changed.
N
.G
.
If lead #
21
is to be connected to the terminal strip, connect to
N
.F
.
The
LN-
9 voltage control jumpers must be connected as follows
(refer to
LN-
9
O
perating
M
anual
):
W
hite jumper on voltage board to pin "
S
" .
B
lue jumper on voltage board
(later units only
),
or on start board
(earlier units
), to pin "
B
".
remote voltage sensing work lead may be ordered for this purpose.
N
.B
.
E
xtend lead #
21
from control cable with terminal strip connectors or
from
14-
pin receptacle using #
14
AWG
or larger insulated wire
duty cycle of immediate and future applications.
C
onnect it directly to the work piece keeping it electrically
convenience, this extended #
21
lead should be taped to the
welding work lead.
(If the length of work lead circuit is
short, and connections can be expected to be reliable, then
control cable lead #
21
does not need to be extended and can be
directly connected to terminal #
21
on the terminal strip.
N
ote
that this is not the preferred connection because it adds error
separate from the welding work lead circuit and connection.
For
to the wire feeder voltmeter reading.
)
physically suitable for the installation.
A
n
S16586-
[LENGTH
]
TO
LN-8
OR
LN-
9
CONTROL
N
.F
.
INPUT
CABLE
PLUG
41
423
1
32
75
76
77
N
.E
.
N
.G
.
21
-
21
+
REMOTE
V
OLTAGE
SENSING
LEAD
10
-3
0-
98F
N
.H
.
Illustration does not necessarily represent actual position of appropriate
output studs.
R
efer to power source instruction manual for more info.
N
.H
.
CONNECTION OF LN-8 OR LN-9 TO THE CV-655, DC-655 OR DC-600 POWER SOURCE
For proper setting of switches on power source,
see power source operating manual.