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Effective January 1, 2000

(Equipment with a serial number preface of “LA” or newer)

This limited 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 conditions
below, Miller Electric Mfg. Co., Appleton, Wisconsin, warrants
to its original retail purchaser that new Miller equipment sold
after the effective date of this limited warranty is free of defects
in material and workmanship at the time it is shipped by Miller.
THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE
WARRANTIES OF MERCHANTABILITY AND FITNESS.

Within the warranty periods listed below, Miller will repair or
replace any warranted parts or components that fail due to
such defects in material or workmanship. Miller must be
notified in writing within thirty (30) days of such defect or
failure, at which time Miller will provide instructions on the
warranty claim procedures to be followed.

Miller shall honor warranty claims on warranted equipment
listed below in the event of such a failure within the warranty
time periods. All warranty time periods start on the date that
the equipment was delivered to the original retail purchaser, or
one year after the equipment is sent to a North American
distributor or eighteen months after the equipment is sent to an
International distributor.

1.

5 Years Parts – 3 Years Labor

*

Original main power rectifiers

*

Inverters (input and output rectifiers only)

2.

3 Years — Parts and Labor

*

Transformer/Rectifier Power Sources

*

Plasma Arc Cutting Power Sources

*

Semi-Automatic and Automatic Wire Feeders

*

Inverter Power Supplies

*

Intellitig

*

Engine Driven Welding Generators
(NOTE: Engines are warranted separately by
the engine manufacturer.)

3.

1 Year — Parts and Labor

*

DS-2 Wire Feeder

*

Motor Driven Guns (w/exception of Spoolmate
185 & Spoolmate 250)

*

Process Controllers

*

Positioners and Controllers

*

Automatic Motion Devices

*

RFCS Foot Controls

*

Induction Heating Power Sources

*

Water Coolant Systems

*

HF Units

*

Grids

*

Maxstar 140

*

Spot Welders

*

Load Banks

*

Miller Cyclomatic Equipment

*

Running Gear/Trailers

*

Plasma Cutting Torches (except APT & SAF
Models)

*

Field Options
(NOTE: Field options are covered under True
Blue

 

for the remaining warranty period of the

product they are installed in, or for a minimum of
one year — whichever is greater.)

4.

6 Months — Batteries

5.

90 Days — Parts

*

MIG Guns/TIG Torches

*

Induction Heating Coils and Blankets

*

APT, ZIPCUT & PLAZCUT Model Plasma Cutting
Torches

*

Remote Controls

*

Accessory Kits

*

Replacement Parts (No labor)

*

Spoolmate 185 & Spoolmate 250

*

Canvas Covers

Miller’s True Blue

 Limited Warranty shall not apply to:

1.

Consumable components; such as contact tips,
cutting nozzles, contactors, brushes, slip rings,
relays or parts that fail due to normal wear.

2.

Items furnished by Miller, but manufactured by others,
such as engines or trade accessories. These items are
covered by the manufacturer’s warranty, if any.

3.

Equipment that has been modified by any party other
than Miller, or equipment that has been improperly
installed, improperly operated or misused based upon
industry standards, or equipment which has not had
reasonable and necessary maintenance, or equipment
which has been used for operation outside of the
specifications for the equipment.

MILLER PRODUCTS ARE INTENDED FOR PURCHASE
AND USE BY COMMERCIAL/INDUSTRIAL USERS AND
PERSONS TRAINED AND EXPERIENCED IN THE USE
AND MAINTENANCE OF WELDING EQUIPMENT.

In the event of a warranty claim covered by this warranty, the
exclusive remedies shall be, at Miller’s option: (1) repair; or (2)
replacement; or, where authorized in writing by Miller in
appropriate cases, (3) the reasonable cost of repair or
replacement at an authorized Miller service station; or (4)
payment of or credit for the purchase price (less reasonable
depreciation based upon actual use) upon return of the goods
at customer’s risk and expense. Miller’s option of repair or
replacement will be F.O.B., Factory at Appleton, Wisconsin, or
F.O.B. at a Miller authorized service facility as determined by
Miller. Therefore no compensation or reimbursement for
transportation costs of any kind will be allowed.

TO THE EXTENT PERMITTED BY LAW, THE REMEDIES
PROVIDED HEREIN ARE THE SOLE AND EXCLUSIVE
REMEDIES. IN NO EVENT SHALL MILLER BE LIABLE FOR
DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGES (INCLUDING LOSS OF
PROFIT), WHETHER BASED ON CONTRACT, TORT OR
ANY OTHER LEGAL THEORY.

ANY EXPRESS WARRANTY NOT PROVIDED HEREIN
AND ANY IMPLIED WARRANTY, GUARANTY OR
REPRESENTATION AS TO PERFORMANCE, AND ANY
REMEDY FOR BREACH OF CONTRACT TORT OR ANY
OTHER LEGAL THEORY WHICH, BUT FOR THIS
PROVISION, MIGHT ARISE BY IMPLICATION,
OPERATION OF LAW, CUSTOM OF TRADE OR COURSE
OF DEALING, INCLUDING ANY IMPLIED WARRANTY OF
MERCHANTABILITY OR FITNESS FOR PARTICULAR
PURPOSE, WITH RESPECT TO ANY AND ALL
EQUIPMENT FURNISHED BY MILLER IS EXCLUDED AND
DISCLAIMED BY MILLER.

Some states in the U.S.A. do not allow limitations of how long
an implied warranty lasts, or the exclusion of incidental,
indirect, special or consequential damages, so the above
limitation or exclusion may not apply to you. This warranty
provides specific legal rights, and other rights may be
available, but may vary from state to state.

In Canada, legislation in some provinces provides for certain
additional warranties or remedies other than as stated herein,
and to the extent that they may not be waived, the limitations
and exclusions set out above may not apply. This Limited
Warranty provides specific legal rights, and other rights may
be available, but may vary from province to province.

 

Summary of Contents for KC237900

Page 1: ...lser And Electroslope Processes Description TIG GTAW Welding Enables Welding Power Source to provide TIG as well as Stick capability OM 530J May 1993 Eff w Serial Number KC237900 Stick SMAW Welding Sh...

Page 2: ...alue established in 1929 This Owner s Manual is designed to help you get the most out of your Miller products Please take time to read the Safety precautions They will help you protect yourself agains...

Page 3: ...Gas Coolant Postflow Control 12 4 5 Remote Hand Controls 13 4 6 High Frequency Switch 13 4 7 High Frequency Control 14 4 8 Meters Optional 14 4 9 Pulser Switch Pulser Models Only 14 4 10 On Time Contr...

Page 4: ...8 5 General Installation Procedures 29 8 6 Guidelines For Installation Of High Frequency Assisted Arc Welding Power Sources 31 8 7 Installation Guidelines Checklist 31 SECTION 9 PARTS LIST Figure 9 1...

Page 5: ...power source Owner s Manual 1 2 SAFETY ALERT SYMBOL AND SIGNAL WORDS The following safety alert symbol and signal words are used throughout this manual to call attention to and identify different lev...

Page 6: ...ges 3 2 TRANSPORTING METHODS This unit is equipped with a lifting eye for moving during installation Weight capacity of the lifting eye only allows for supporting the unit and welding power source WAR...

Page 7: ...n a proper manner The valves are labeled ensure that connections are cor rect see Figure 4 1 and Sections 3 11 and 3 12 7 Install proper welding cables see welding power source s Owner s Manual for co...

Page 8: ...allation is com plete and the TIG Unit is ready to be put in oper ation 9 Open access door on lower front of TIG Unit re move component bag and route short intercon necting cord approximately 4 ft or...

Page 9: ...in a proper manner 10 Maintain a proper lead dress around fan and wind tunnel and route leads through access hole in cover into TIG Unit 11 Connect the two leads to the terminal labeled 230V on rear...

Page 10: ...n of lead harnesses etc 4 Carefully slide Electroslope unit into opening on front panel of TIG Unit Secure Electroslope with the four screws removed from blank panel in Step 2 5 Route leads from Elect...

Page 11: ...t be employed 3 Route cord through supplied connector on rear of TIG Unit and attach it to terminals labeled 115V on terminal strip TE1 located on center mounting panel toward back of TIG Unit see Fig...

Page 12: ...ng operation 2 Mount Preflow ON OFF switch S200 in the 1 2 in 12 7 mm diameter hole using supplied hardware 3 Mount Preflow Time control with attached printed circuit card assembly TD2 in the 3 8 in 9...

Page 13: ...a proper lead dress inside the unit l Replace left side panel and top cover 9 For Models Prior to Serial No HK261770 a Locate lead 32 between transformer T1 and in tegrated rectifier SR2 Splice lead 3...

Page 14: ...controls 5 Attach supplied knob to Spot Time control shaft B Electrical Installation Figure 3 2 IMPORTANT Before preceeding with this installation familiarize yourself with the circuit diagram provid...

Page 15: ...and recirculating coolant system make connections from the coolant system directly to the torch hoses Do not use water connections on the TIG Unit The COOLANT IN and COOLANT OUT fittings have 5 8 18...

Page 16: ...DJUSTMENT control on the TIG Unit al ways functions as a fine amperage adjustment cali brated in percent of the AMPERAGE ADJUSTMENT control on the welding power source If a remote control is used and...

Page 17: ...r is deenergized the postflow timer begins to time out the selected period of postflow time Once the timer has timed out the gas and coolant valves close and thereby cut off shielding gas and cool ant...

Page 18: ...g as the momentary contact switch is held closed Provided that an arc has been established releasing the momen tary contact switch will deenergize the high frequency If an arc is not established the h...

Page 19: ...is operational only when the PULSES switch is in the ON position Rotating the PULSES SECOND control in a clockwise direction increases the pulse frequency The scale surrounding the PULSES SECOND contr...

Page 20: ...OM 530 Page 16 ST 009 477 D ST 007 648 G...

Page 21: ...nit is in the PANEL position whenever the Electroslope is to be utilized The AMPERAGE ADJUSTMENT control on the TIG Unit has complete control of the amperage at this point 4 15 PERCENTAGE INITIAL AMPE...

Page 22: ...ding the PREFLOW TIME control is calibrated in seconds to aid in the selec tion of a preflow time period suited to the individual weld ing operation As soon as the remote contactor control switch has...

Page 23: ...safety information 5 1 GAS TUNGSTEN ARC WELDING WARNING Read and follow safety informa tion at beginning of entire Section 5 before proceeding 1 Make all necessary connections as instructed in Section...

Page 24: ...Select and obtain proper electrode and insert into electrode holder 7 Depress the POWER switch on the welding power source to the ON position 8 Connect the 115 volts ac plug from the TIG Unit to its p...

Page 25: ...used for ac or dc electrode positive welding before beginning the welding operation Weld amperage causes the tungsten elec trode to form the balled end The diameter of the end should not exceed the d...

Page 26: ...RECOMMENDED The figures listed are intended as a guide and are a composite of recommendations from American Welding Society AWS and electrode manufacturers S 0009 8 88 Green Band Red Band Brown Band 6...

Page 27: ...ncy out put A Fuse F1 Fuse F1 is a 3 ampere glass fuse located on the center mounting panel below terminal strip 1T If this fuse should open there would be no remote control of the contactor B Fuse F2...

Page 28: ...to welding power source output terminals Check connections Be sure that they are correct and secure see Sections 3 3 and 3 4 No output from welding power source See welding power source Owner s Manual...

Page 29: ...OM 530 Page 25 SECTION 7 ELECTRICAL DIAGRAMS Circuit Diagram No SC 121 852 A Diagram 7 1 Circuit Diagram For TIG Unit With Options...

Page 30: ...OM 530 Page 26 Circuit Diagram No SA 045 288 C Diagram 7 2 Circuit Diagram For Postflow Timer Circuit Diagram No SB 088 800 A Diagram 7 3 Circuit Diagram For Pulser Optional...

Page 31: ...OM 530 Page 27 Circuit Diagram No SC 080 063 E Diagram 7 4 Circuit Diagram For Electroslope Optional...

Page 32: ...OM 530 Page 28 Circuit Diagram No SA 096 935 A Diagram 7 5 Circuit Diagram For Preflow Timer Optional Circuit Diagram No SA 049 109 A Diagram 7 6 Circuit Diagram For Spot Timer Optional...

Page 33: ...GTAW process In these cases it will take several thousand volts to cause an electrical spark to jump this gap between the electrode and the work creating an in itial path of ionization that the arc c...

Page 34: ...ungrounded metal objects or unshielded wiring in the immediate vicinity conducted some distance and reradiated This can be a troublesome source of inter ference 8 4 LOCATION Locate the high frequency...

Page 35: ...ogether as by welding each piece of metal to all other adjacent pieces For metal buildings adjacent metal panels should be bolted or welded together at fre quent intervals All windows and doorways sho...

Page 36: ...p setting to the minimum setting given in this manual 8 Secure all service and access doors before operat ing 9 Visualize the welding zone as a sphere with a 50 ft 15 m radius centered on a point betw...

Page 37: ...ower source 1 1 1 1 2 006 017 COVER box used when unit is mounted on power source 1 1 1 1 3 026 627 GASKET lifting eye cover 1 1 1 1 4 008 267 LIFT EYE 1 1 1 1 5 Fig 9 2 PANEL control rear w component...

Page 38: ...tg hole Field installed units only 3 3 3 3 057 359 BLANK snap in nyl 375mtg hole 2 2 2 2 110 089 CABLE interconnecting consisting of 1 1 1 1 141 162 CONNECTOR PINS consisting of 1 1 1 1 134 731 CONNEC...

Page 39: ...r 115 250V 1 1 1 1 6 Shunt 030 081 SHUNT meter 50MV 500A 300A 1 1 1 1 6 Shunt 030 084 SHUNT meter 50MV 600A 400A 1 1 1 1 6 Shunt 079 388 SHUNT meter 50MV 800A 500 600A 1 1 1 1 7 012 571 HOLDER fuse mi...

Page 40: ...ilm 10uf 250VAC 2 8 C3 17 096 761 CAPACITOR mica 002uf 10000VDC 2 9 010 885 STRIP conductor 4 602 042 SCREW 10 32 x 1 00 rndhd slt brs 1 10 111 181 LINK connecting 1 11 020 623 SPARK GAP ASSEMBLY cons...

Page 41: ...3 3 5 019 603 KNOB ball 1 1 1 1 6 129 060 PANEL front 1 1 1 1 7 P1 025 701 FILTER HF dc volts amp meter 2 2 2 2 8 S4 011 611 SWITCH tgl DPDT 15A 125V 1 1 1 1 9 R1 072 462 POTENTIOMETER w shaft lock co...

Page 42: ...1 1 1 21 C1 113 501 CAPACITOR 1 1 1 1 22 RC1 604 176 RECEPTACLE str dx grd 2P3W 15A 125V 1 1 1 1 073 690 PLUG str grd armd 2P3W 15A 125V P S 5266DF 23 039 047 TERMINAL pwr output red consisting of 2 2...

Page 43: ...isting of 1 5 011 645 CONTACT ASSEMBLY movable switch consisting of 2 6 011 075 SPRING pressure contact switch 1 7 011 953 CONTACT switch 2 8 011 074 SPRING pressure contact switch 1 9 010 805 HANDLE...

Page 44: ...NNECTOR rect skt 24 18ga Amp 350980 1 12 5 073 756 STAND OFF 6 32 x 625 lg 5 6 010 116 GROMMET rbr 375 ID x 500mtg hole 1 7 072 307 CIRCUIT CARD filter 1 8 027 144 TUBING nylon 150 ID x 250 OD x 250 2...

Page 45: ...NECTOR SOCKETS consisting of 1 079 747 CONNECTOR rect skt 24 18ga Amp 350980 1 12 079 748 CONNECTOR rect 18skt plug Amp 1 640250 8 1 079 747 CONNECTOR rect skt 24 18ga Amp 350980 1 18 5 073 756 STAND...

Page 46: ...itch plrt 1 8 601 836 NUT brs hex 250 20 jam hvy 4 9 052 413 STUD brs 250 20 x 875 2 10 103 633 BUS BAR shorting switch plrt 4 11 103 634 MOUNTING BOARD cmpnt plrt switch 1 12 024 694 BEARING plrt swi...

Page 47: ...A 1 1 4 SR2 005 882 RECTIFIER integ 6A 600V 1 1 5 052 194 TIMER delay on make 0 60 sec consisting of 1 1 6 039 449 BRACKET mtg circuit card 1 1 7 TD1 045 874 CIRCUIT CARD timer 1 1 8 CR1 070 744 RELAY...

Page 48: ...ect skt 24 18ga Amp 350980 1 7 097 922 KNOB pointer illustrated on Fig 9 4 1 006 301 BRACKET mtg component 1 106 625 SPACER nyl 250 OD x 140 ID x 1 000mtg hole 4 See Fig 9 4 for additional parts 041 4...

Page 49: ...Notes...

Page 50: ...mperage and weld with 1 8 in 3 2 mm Stick electrode without returning to the power source AMPSET can be considered when cable connected box type remote hand controls are impractical when operating a l...

Page 51: ...ting Torches Remote Controls Accessory Kits Replacement Parts No labor Spoolmate 185 Spoolmate 250 Canvas Covers Miller s True Blue Limited Warranty shall not apply to 1 Consumable components such as...

Page 52: ...complete and retain with your personal records Always provide Model Name and Serial Style Number Call 1 800 4 A Miller or see our website at www MillerWelds com to locate a DISTRIBUTOR or SERVICE AGEN...

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