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Installation, A-6 auxiliary power and control connections – Lincoln Electric IM669 RED-D-ARC DC-600 User Manual

Page 14

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A-6

INSTALLATION

A-6

AUXILIARY POWER AND
CONTROL CONNECTIONS

Located at the left side of the front of the welder
behind a hinged cover is a 115VAC GFCI receptacle
for auxiliary power. On the right side of the case front
is a 14 Pin MS type receptacle for connection of auxil-
iary equipment such as wire feeders. Also, terminal
strips with 115VAC and connections for auxiliary
equipment are located behind the hinged access
panel on the right side of the case front. (see Auxiliary
Power Table for details)

115VAC GFCI RECEPTACLE (60 HERTZ MODELS
ONLY)

The 115VAC GFCI receptacle is protected by a circuit
breaker located on the nameplate. The receptacle is a
NEMA 5-15R.

AUXILIARY POWER TABLE

Voltage and Circuit Breaker Ratings at Auxiliary Power

Connections for Various Models

Auxiliary

60 Hz

Power

Models

Connections

At GFCI

115V 15A

Receptacle

Terminal strip

115V 15A

terminals 31 & 32

MS-Receptacle

115V 15A

pins A & J

MS-Receptacle

42V 10A

pins I & K

FIGURE A.6 FRONT VIEW OF 14-PIN
CONNECTOR RECEPTACLE

PIN

LEAD NO.

FUNCTION

A

32

115 VAC

B

GND

Chassis Connection

C

2

Trigger Circuit

D

4

Trigger Circuit

E

77

Output Control

F

76

Output Control

G

75

Output Control

H

21

Work Sense Connection

2

I

41

42 VAC

J

31

115 VAC

1.

K

42

42 VAC

L

---

---

M

---

---

N

---

---

F = 7 6

G = 7 5

H = 2 1

I = 4 1

J = 3 1

K = 4 2

A = 3 2

B = G N D

C = 2

D = 4

E = 7 7

L

N

M

1.

115VAC circuit is on all models.

2.

As shipped from the factory Lead #21 from the 14 Pin connector is
connected to “-21” on the terminal strip (T.S.2). This is the config-
uration for positive welding. If welding negative polarity, connect
lead #21 to the “+21” connection point on the terminal strip
(T.S.2).

14 PIN MS TYPE RECEPTACLE

(For MS3106A-20-27PX Plug. L.E.C. Part #S12020-32)

Refer to the figure A.6 for the available circuits in the
14 pin receptacle.

42 VAC is available at receptacle pins I and K.
A 10 amp circuit breaker protects this circuit.

115 VAC is available at receptacle pins A and J (All
Models). A 15 amp circuit breaker protects this circuit.
Note that the 42 VAC and 115 VAC circuits are electri-
cally isolated from each other.

DC-600 RED-D-ARC