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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
MILLER ELECTRIC Mfg. Co.
and the power source manual used with this unit, with special emphasis on A Miller Group Ltd., Company
the safety material throughout both manuals, before installing, operating, or
P.O. Box 1079
maintaining this equipment. This unit and these instruc
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OM-823G - 2/92 RECEIVING-HANDLING Before unpacking equipment, check carton for any Use the following spaces to record the Model Designa- damage that may have occurred during shipment. File tion and Serial or Style Number of your unit. The infor- any claims for loss or damage with the delivering car- mation is located on the rating label or nameplate. rier. Assistance for filing or settling claims may be ob- tained from the distributor and/or the equipment manu- Model facturer’s Transportation De
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SECTION 1 − SAFETY PRECAUTIONS AND SIGNAL WORDS 1-1. GENERAL INFORMATION AND SAFETY identify different levels of hazard and special instruc- tions. A. General This safety alert symbol is used with the signal Information presented in this manual and on various la- words WARNING and CAUTION to call atten- bels, tags, and plates on the unit pertains to equipment tion to the safety statements. design, installation, operation, maintenance, and troubleshooting which should be read, understood, and fol
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SECTION 3 − OPERATOR CONTROLS 3-1. OPERATION B. Remote Hand Control Of Two Welding Power Sources A. General Remote amperage or voltage control of two welding When a Remote Hand Control is being used, it should power sources from one Remote Hand Control is made be noted that on most welding power sources or welding possible through the use of Remote Hand Control hav- generators, the Remote Hand Control functions as a ing two rheostats. These Remote Hand Controls are fine amperage or voltage adjus
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SECTION 5 − ELECTRICAL DIAGRAMS Circuit Diagram No. SA-150 670 Diagram 5-1. Circuit Diagram For Remote Hand Control Used With Transformer Arc Welding Power Source Circuit Diagram No. SA-150 671 Diagram 5-2. Circuit Diagram For RHCS-3 Circuit Diagram No. SA-094 231-A Diagram 5-3. Circuit Diagram For RHC-3-GD9A And RHC-3-GD34A OM-823 Page 3
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Circuit Diagram No. SA-094 232-A Diagram 5-4. Circuit Diagram For RHC-3-GD25B Circuit Diagram No. SA-053 656-A Diagram 5-5. Circuit Diagram For RHC-14 And RHC-23 OM-823 Page 4
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SECTION 6 − PARTS LIST OM-823 Page 5
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Quantity Model Item Dia. Part RHC- RHC- RHC- RHC- RHCS- Description No. Mkgs. No. 3 3-2 14 23 3 Figure 6-1. Complete Assembly . . 1 . R1 . . 030 653 . . RHEOSTAT, WW 150W 15 ohm . . . . . . . . . . . . . . . . . . . . . . 1 . . 1 . R1 . . 107 363 . . RHEOSTAT, WW 150W 15 ohm . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 . . 1 . R1 . . 035 897 . . POTENTIOMETER, C sltd sft 1/T 2W 1000 ohm . . . . . . . . . . . . . . . . . . . 1 . . . 1 . . 1 . R1 . . 039 272 . . RHEOSTAT, WW 150W 1250
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Quantity Model RHC-3-GD Item Dia. Part 9A 25B 34A Description No. Mkgs. No. Complete Assembly (Use Fig 6-1 View) . . 1 . . . R1 . 005 355 . . RHEOSTAT, WW 50W 9 ohm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 . . 1 . . . R1 . 605 049 . . RHEOSTAT, WW 300W 25 ohm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 . . 1 . . . R1 . 605 960 . . RHEOSTAT, WW 300W 34 ohm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 . . 2 .
