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Effective January 1, 2006

(Equipment with a serial number preface of “LG” 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

2.

3 Years — Parts and Labor

* Transformer/Rectifier Power Sources
* Plasma Arc Cutting Power Sources
* Process Controllers
* Semi-Automatic and Automatic Wire Feeders
* Inverter Power Sources (Unless Otherwise Stated)
* Water Coolant Systems (Integrated)
* Intellitig
* Engine Driven Welding Generators

(NOTE: Engines are warranted separately by the

engine manufacturer.)

3.

1 Year — Parts and Labor Unless Specified

* Motor Driven Guns (w/exception of Spoolmate

Spoolguns)

* Positioners and Controllers
* Automatic Motion Devices
* RFCS Foot Controls
* Induction Heating Power Sources, Coolers, and

Electronic

Controls/Recorders

* Water Coolant Systems (Non-Integrated)
* Flowgauge and Flowmeter Regulators (No Labor)
* HF Units
* Grids
* Spot Welders
* Load Banks
* Arc Stud Power Sources & Arc Stud Guns
* Racks
* 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.)

* Bernard-Branded Mig Guns (No Labor)
* Weldcraft-Branded TIG Torches (No Labor)
* Subarc Wire Drive Assemblies

4.

6 Months — Batteries

5.

90 Days — Parts

* MIG Guns/TIG Torches and Subarc (SAW) Guns

* Induction Heating Coils and Blankets, Cables, and

Non-Electronic Controls

* APT & SAF Model Plasma Cutting Torches
* Remote Controls
* Accessory (Kits)
* Replacement Parts (No labor)
* Spoolmate Spoolguns
* 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. (Exception:

brushes, slip rings, and relays are covered on Bobcat,

Trailblazer, and Legend models.)

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 Intellifire 250

Page 1: ...Intellifire 250 Processes Description Induction Heating Power Source Induction Heating OM 184 227K 2006 05 Visit our website at www MillerWelds com File Induction Heating...

Page 2: ...inue the tradition They re just as committed to providing equipment and service that meets the high standards of quality and value established in 1929 This Owner s Manual is designed to help you get t...

Page 3: ...6 SECTION 3 INSTALLATION 7 3 1 Specifications 7 3 2 Connecting Head Coil to Power Source 7 3 3 Remote 14 Receptacle RC14 Information and Connections 8 3 4 Remote 14 Socket Information 8 3 5 Connectin...

Page 4: ......

Page 5: ...imum length of 18 inches 457 mm to provide isolation D Properly install and ground this equipment according to its Owner s Manual and national state and local codes D Always verify the supply ground c...

Page 6: ...ed person familiar with electronic equipment per form this installation D The user is responsible for having a qualified electrician promptly correct any interference problem resulting from the instal...

Page 7: ...systems While most of this work is of very high quality the results are complex Current scientif ic understanding does not yet allow us to interpret the evidence in a single coherent framework Even m...

Page 8: ...orrectement la terre conform ment au manuel utilisateur et aux codes nationaux gouvernementauxet locaux 8 V rifier souvent la terre de l alimentation contr ler et s assurer que le conducteur de terre...

Page 9: ...l unit s assurer que les fourches sont suffisamment longues pour d passer du c t oppos de l appareil LA PROJECTION DE PIECES DE METAL ou DE COLLE peut provoquer des blessures aux yeux 1 Porter des lu...

Page 10: ...nclusions d finitives en ce qui concerne les probl mes de risque possible ou de proposer des recommandations scientifiques claires pour des strat gies suivre en vue de minimiser ou de pr venir des ris...

Page 11: ...with radio navigation safety services computers and communications equipment Have only qualified person familiar with electronic equipment perform this installation The user is responsible for having...

Page 12: ...Contact closure to A completes 24 volts dc contactor control circuit C Command reference 10 volts dc Remote Output Control D Control circuit common Remote Output Control E Input command signal potent...

Page 13: ...d through strain re lief and tighten screws 3 Fuse Block Cover Remove fuse block cover 4 Machine Grounding Terminal 5 Green Or Green Yellow Grounding Conductor Connect green or green yellow grounding...

Page 14: ...flexible cord and cable requirements SECTION 4 OPERATION Ref ST 801 826 C 4 1 Controls 1 2 3 4 1 Power Adjust Control Use control to select power between the mini mum and maximum output of the power s...

Page 15: ...or TP3 opens and output stops The fan keeps running to cool the heat sink s Wait several minutes before trying to heat 5 3 Automatic Shutdown Protection This unit automatically shuts down upon sensing...

Page 16: ...they have discharged before working on unit 3 8 in Turn Off power source and disconnect input power Remove wrapper 1 Tuning Capacitor C1 2 Tuning Capacitor C2 3 Tuning Capacitor C3 4 Voltmeter Check t...

Page 17: ...using the conductor to come into contact with the workpiece or a heating coil touches the workpiece causing a short in the output circuit The supplied ground lead must be connectedbetween the workpiec...

Page 18: ...y have discharged before working on unit Turn Off power source and disconnect input power Remove wrapper 1 Input Capacitor C2 2 Input Capacitor C1 3 Input Capacitor C4 4 Input Capacitor C3 5 Voltmeter...

Page 19: ...d 9 Over Temp Lights when contactor is energized and over temperature condition is present Also indicates top cover is removed from unit 10 Tank Current Fault Value Preset At Factory 11 Ground Fault L...

Page 20: ...upling between coil or blanket and workpiece or pipe Over Temperature Fault LED yellow on Check door switch Check for fan operation Clean unit Current Source Limit LED yellow on Check coupling between...

Page 21: ...OM 184 227 Page 17 Notes...

Page 22: ...OM 184 227 Page 18 SECTION 6 ELECTRICAL DIAGRAM Figure 6 1 Circuit Diagram...

Page 23: ...OM 184 227 Page 19 204 963 A...

Page 24: ...ON 7 PARTS LIST Hardware is common and not available unless listed Figure 7 1 Main Assembly 801 828 F 1 Fig 7 2 3 4 5 6 7 8 9 10 11 13 14 15 16 17 18 19 20 21 22 23 24 25 27 38 39 40 12 33 31 32 30 34...

Page 25: ...PANEL front 1 23 S1 159 039 SWITCH rocker SPDT 15A 125VAC 1 24 NAMEPLATE order by model and serial number 1 25 S2 120 376 SWITCH rocker SPDT 4A 250VAC 1 26 135 299 LOCK shaft pot 1 27 171 007 KNOB 1 2...

Page 26: ...USE mintr gl slo blo 2A 250V 2 6 098 376 HOLDER fuse mintr 1 7 CT1 184 840 TRANSFORMER current primary 1 PLG13 135 635 HOUSING PLUG PINS 1 155 748 BUS BAR lem 1 8 PC1 229 245 CIRCUIT CARD current sour...

Page 27: ...PLUG SKTS 1 PLG28 131 054 HOUSING RCPT SKTS 1 PLG29 115 094 HOUSING PLUG SKTS 1 29 025 248 STAND OFF insul 250 20 x 1 250 4 30 179 875 BUS BAR diode RH 2 31 179 876 BUS BAR diode LH 2 32 C8 10 170 86...

Page 28: ...Notes...

Page 29: ...Notes...

Page 30: ...Notes...

Page 31: ...Heating Coils and Blankets Cables and Non Electronic Controls APT SAF Model Plasma Cutting Torches Remote Controls Accessory Kits Replacement Parts No labor Spoolmate Spoolguns Canvas Covers Miller s...

Page 32: ...retain with your personal records Always provide Model Name and Serial Style Number Contact a DISTRIBUTOR or SERVICE AGENCY near you Welding Supplies and Consumables Options and Accessories Personal...

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