Miller Electric RHC-3GD9A, RHC-3-GD34A, RHCS-3, RHC-3, RHC-3-2 User Manual

February 1992 FORM: OM-823G

Effective With Serial No. KB055102

MODEL: RHC-3

RHC-3-2
RHC-3GD9A
RHC-3GD25B
RHCS-3
RHC-3-GD34A
RHC-14
RHC-23

OWNER’S MANUAL

IMPORTANT: Read and understand the entire contents of both this manual
and the power source manual used with this unit, with special emphasis on
the safety material throughout both manuals, before installing, operating, or
maintaining this equipment. This unit and these instructions are for use only
by persons trained and experienced in the safe operation of welding equip­ment. Do not allow untrained persons to install, operate, or maintain this unit.
Contact your distributor if you do not fully understand these instructions.

SA-141 127 PRINTED IN U.S.A.

MILLER ELECTRIC Mfg. Co.

A Miller Group Ltd., Company

P.O. Box 1079
Appleton, WI 54912 USA
Tel. [phone]

RECEIVING-HANDLING

OM-823G - 2/92

Before unpacking equipment, check carton for any
damage that may have occurred during shipment. File
any claims for loss or damage with the delivering car-
rier. Assistance for filing or settling claims may be ob­tained from the distributor and/or the equipment manu­facturer’s Transportation Department.

When requesting information about this equipment, al­ways provide the Model Description and Serial or Style
Number.

TABLE OF CONTENTS

Section No. Page No.

SECTION 1 − SAFETY PRECAUTIONS AND SIGNAL WORDS

1-1. General Information And Safety 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-2. Safety Alert Symbol And Signal Words 1. . . . . . . . . . . . . . . . . . . . . . . . .

1-3. Description 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Use the following spaces to record the Model Designa­tion and Serial or Style Number of your unit. The infor­mation is located on the rating label or nameplate.

Model
Serial or Style No.
Date of Purchase

SECTION 2 − INSTALLATION

2-1. Location 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-2. Interconnections 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 3 − OPERATOR CONTROLS

3-1. Operation 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-2. Contactor Switch 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 4 − MAINTENANCE

SECTION 5 − ELECTRICAL DIAGRAMS

Diagram 5-1. Circuit Diagram For Remote Hand Control Used With

Transformer Arc Welding Power Source 3. . . . . . . . . . . . . . . .

Diagram 5-2. Circuit Diagram For RHCS-3 3. . . . . . . . . . . . . . . . . . . . . . . . . .

Diagram 5-3. Circuit Diagram For RHC-3-GD9A And RHC-3-GD34A 3. . . .

Diagram 5-4. Circuit Diagram For RHC-3-GD25B 4. . . . . . . . . . . . . . . . . . . .

Diagram 5-5. Circuit Diagram For RHC-14 And RHC-23 4. . . . . . . . . . . . . . .

SECTION 6 − PARTS LIST

Figure 6-1. Complete Assembly (RHC-3 Illustrated) 6. . . . . . . . . . . . . . . . . . . . .

LIST OF CHARTS AND TABLES

Table 2-1. Cord Conductor Length And Size 1. . . . . . . . . . . . . . . . . . . . . . . . . . .