Submerged arc controller for
automatic welding (44 pages)
Summary of Contents for Miller RHC-TP
Page 1
MODEL. RHC-TP OWNER’S MANUAL Read and understand the entire contents of both this Miller Electric Mfg. Co. IMPORTANT: manual and the power source manual used with this unit, with special ~‘ emphasis on the safety material throughout both manuals, before in- P0.
LIMITED WARRANTY EFFECTIVE: FEBRUARY 16. 1988 This warranty supersedes all previous MILLER warranties and is exclusive with no other guarantees or warranties expressed or implied. LIMITED WARRANTY Subject to the terms and condi- In the case of Miller’s breach of warranty or any other duty co.,...
SECTION 1 INTRODUCTION 5-3/4 In. I1U mm) 7-3/4 (137 mm) TB.¶ IS 992 Figure 1 1. Specifications WARNING include installation, operation, statements 1. GENERAL INFORMATION AND SAFETY and maintenance procedures or practices which carefully followed could result in serious personal injury A.
IMPORTANT: Although the term CONTACTOR is 1. CONTACTOR SWITCH (Figure 3-1) used on the nameplate and throughout this manual, the output is not switched on or off by a physical output ELECTRIC SHOCK can kill. WARNING: contactor; rather the output is controlled by solid-state •...
2. PUSLE CONTROLS (FIgures 3-1 And 3-2) Rotating this control clockwise increases pulse frequen- cy. The scale surrounding the PULSES PER SECOND Pulsing refers to the alternate raising and lowering of control is calibrated in pulses per second from 0.5 to 25 the weld output at a periodic rate.
7. Turn on the welding power source. 4 -1. PUSLED GAS TUNGSTEN ARC WELDING (GTAW) 8. Turn on and adjust the high frequency, 1. Install and prepare welding power source accor- plicable. ding to its Owners Manual and Section 2 of this manual.
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Z ON TIME PEAK PLG3 ~AAA PC I A-N ON RC5O AA-AD ON RC5I OUTPUT/CONTACTOR BACKGROUND PULSES/SECOND CIrcuIt Dlagtem No. A-117 458 Figure 5 1. CIrcuit Diagram o~-sau PageS...
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March 1988 FORM: OM-888 EffectIve With Style No. JJ-29 PARTS LIST...
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Item Die. Part Mkgs. Description Quantity Complete Assembly Figure A CASE SECTION, front/end 117 078 117 327 CASE 019 663 MOUNT, 15/16ODx3/8 010 610 CONNECTOR, clamp-cable 1/2 inch S1,2 011 609 SWITCH, toggle SPDT 15 amp 125 volts NAMEPLATE (order by model number) 117 388 POTENTIOMETER, carbon 1 turn 2 watt 500K ohm 073 562...
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