ESAB HC-4B Remote Hand Control Troubleshooting instruction

Brand: ESAB

Model: HC-4B Remote Hand Control

Category: Welding System

Type: Troubleshooting instruction

F-15-124

March, 1995

INSTRUCTIONS for

HC-4B REMOTE HAND CONTROL, P/N 33840

Be sure this information reaches the operator.

You can get extra copies through your supplier.

Fig. 2 - HC-4B Connection Diagram

HC-4B

Control

Cable

The HC-4B remote control is designed to operate with CV/

CC (constant voltage/constant current) inverter power sources

equipped with a matching (14) pin receptacle connector.

This compact multi-process remote control accessory incor-

porates the following features:

A. DESCRIPTION

A three position PROCESS switch allows you to select the

process you intend to use. The process selection sets the

correct power supply characteristic as follows:

The CC position sets a constant current characteristic

required for stick, tig or air carbon gouging applications.

The CV position sets a constant voltage characteristic

required for all conventional "non-digital" mig welding.

The DIGITAL MIG (Center) position of this switch totally

disables remote voltage control from the pendant. In

this position the power supply is set with a constant volt-

age characteristic required for use with "digital-type" mi-

croprocessor wire feeder/control.

A two position CONTACTOR switch allows you to turn the

power supply contactor On or Off in the constant current

(CC) mode for the Stick/Tig/Arc Gouging process. This

switch is disabled for all mig operations when a con-

stant voltage (CV) characteristic is set up.

The CURRENT/VOLTAGE control provides variable full

range control of power supply output. In the "CC" mode,

this potentiometer controls output current. In the "CV" mode

(non-digital), this potentiometer controls output voltage.

This function is disabled when the Process switch is in its

DIGITAL MIG (center) position.

This control also incorporates two additional control fea-

tures; a TIG/STICK selector, and an ARC FORCE potenti-

ometer, as follows.

The two-position TIG/STICK switch allows you to select

the "process mode" to be used. Both modes provide the

cc-type characteristic; however, the slope of the STICK

output can be further adjusted with the ARC FORCE con-

trol pot.

The ARC FORCE control, is only functional in the Stick

mode, and it allows you to control the Stick welding arc

characteristics. The lower settings provide less short

circuit (see Fig. 1) and a Globular Metal Transfer. The

higher settings provide more short circuit and a forcefull,

more penetrating arc; Globular Transfer is reduced and

Arc stability is improved. For most stick applications set

the control at 4 or 5 and readjust as needed. With the

control set at MIN. position, a longer arc length can be

maintained; and at MAX. setting, the arc will extinguish

much easier whrn drawing the rod away from the work.

0 100

300

200

400 500 600 700

Arc Force Range

@ a Medium

Current Setting

AF=Arc Force Setting

Amperes D.C.

Volts D.C.

Maximum Current

Min. AF

Minimum Current

Max. AF

Fig. 1 - Volt Ampere Curves

Make sure the HC-4B's Contactor On/Off switch is

placed in it's OFF position prior to and after each

welding operation. In this position, the power source

welding contactor is deenergized and the torch elec-

trode is electrically "cold".

B. STICK/TIG/ARC GOUGING (CC) OPERATION

Place the poower source's Panel/Remote switch in its RE-

MOTE position. Insert the HC-4B's control cable plug into

the power source's remote control receptacle.

Pick up and hold the torch or electrode holder away from

the work or other grounded oblects.

Place the Process switch in the CC position to provide a

constant current (CC) type characteristic.

Place the TIG/STICK switch to the process mode you plan

to use, Tig or Stick.

If the Stick mode is selected, set the ARC FORCE control

at 4 or 5 setting, and adjust as necessary for a softer or

harder welding arc (see section A, #4, part b).

F-15-124

Energize the main contactor by placing the Contactor switch

in its ON position.

Set the Current control potentiometer to provide the de-

sired current required (up to full range), and commence

welding.

Remember the "Warning", and place the Contactor switch

OFF after each operation.

C. MIG (CV) OPERATION

Place the power source's Panel/Remote switch in its RE-

MOTE position. Insert the HC-4B's control cable pluf into

the power source's remote control receptacle.

Place the Process switch as follows:

Set CV position for non-digital (conventional) feeder/con-

trol operations - to provide constant voltage type charac-

teristic and allow remote voltage control.

Set to DIGITAL MIG (center) position for digital micropro-

cessor feeder/control operations - this establishes re-

quired CV-type characteristic, but disables remote volt-

age pot.

Although the CONTACTOR switch is disabled when the

Process switch is in either its DIGITAL MIG or CV position,

it is suggested that you place it in the OFF position. Re-

member that in all Mig-CV operations, the main contactor

is controlled from the feeder/control.

Set the VOLTAGE control potentiometer as follows:

For non-digital (Conventional) feeder/control operations,

this pot provides variable full-range welding voltage con-

trol when the Process switch is in the CV position.

For digital-microprocessor mig feeder/control operations,

this pot is totally disabled when the Process switch is in

its DIGITAL MIG position.

Commence welding operation by energising the feeder/

control.

P2-3 BLU

P2-2 ORN

246

P2-4 BLK

SW 3

J1-B BLU

J1-A BLK

135

246

P2-4 BLK

SW 2

GRN P2-9

SW 1

P1-4 VIO

J1-C BRN

YEL J1-D

1 2

3 4

5 6

PCB

1 P2 10

1 P1 6

951009 Receptacle 6 Pole

1-RED J1-E

2-ORN J1-G

3-VIO J1-K

4-VIO SW1-3

5-WHT J1-F

6- NOT USED

1- NOT USED

2-ORN SW3-3

3-BLU SW3-5

4-BLK SW3-2

5-RED AFP-2

6-BLU AFP-2

7-ORN VCP-3

8-BRN VCP-2

9-GRN VCP-1,AFP-1,SW1-2

10- NOT USED

ARC FORCE

P2-5 RED

P2-6 BLU

GRN P2-9

CV/CC REF

P2-7 ORN

P2-8 BRN

GRN P2-9

VCP

AFP

A-BLK SW2-3

B-BLU SW2-5

C-BRN SW1-5

D-YEL SW1-4

E-RED P1-1

F-WHT P1-5

G-ORN P1-2

H-GRN GROUND

J- NOT USED

K-VIO P1-3

96W85 - STRAIN RELIEF

SW1

636702 -

SWITCH TOGGLE

DPDT 10A 250V

951474 -

SWITCH SEAL BLACK

SW2

634518 -

SWITCH TOGGLE

DPDT 10A 125V

951474 -

SWITCH SEAL BLACK

SW3

634518 -

SWITCH TOGGLE

DPDT 15A 125V

951474 -

SWITCH SEAL BLACK

34019 - COVER

951495 - CABLE ASSEMBLY

96W85 - STRAIN RELIEF

VCP

2062018 POTENTIOMETER

1k/2W

934518 - SWITCH

TOGGLE

DPDT 15A 125V

951086 -

HANDLE

182W12 - RUBBER BUMPER

31436-

BOARD ASS'Y. P.C.

951016 Receptacle 10 Pole

TR-1

ARC FORCE

MIN MAX

STICK/MMA

TIG

OFF

VOLTAGE

CURRENT

DIGITAL MIG

CONTACTOR

PROCESS

AFP

951154 - POTENTIOMETER

1k/2W

951502 - KNOB

F-15-124 3/95 1C

ESAB HC-4B Remote Hand Control Troubleshooting instruction

Brand: ESAB

Model: HC-4B Remote Hand Control

Category: Welding System

Type: Troubleshooting instruction

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ESAB HC-4B Remote Hand Control Troubleshooting instruction

ESAB HC-4B Remote Hand Control Troubleshooting instruction

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