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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 Spectrum 2050

Page 1: ...Visit our website at www MillerWelds com Spectrum 2050 Processes Description Air Plasma Cutting and Gouging Air Plasma Cutter OM 2220 190 444H November 1999 R...

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: ...2 Duty Cycle and Overheating 10 2 3 Cutting Speed 10 2 4 Selecting a Location 11 2 5 Connecting Work Clamp and Gas Air Supply 12 2 6 Electrical Service Guide 12 2 7 Extension Cord Data 13 2 8 Connect...

Page 4: ......

Page 5: ...cause fatal shocks or severe burns The torch and work circuit are electrically live whenever the output is on The input power circuit and machine internal circuits are also live when power is on Plas...

Page 6: ...d respirator Fumes from cutting and oxygen deple tion can alter air quality causing injury or death Be sure the breathing air is safe D Do not cut in locations near degreasing cleaning or spraying ope...

Page 7: ...not overload building wiring be sure power supply system is properly sized rated and protected to handle this unit STATIC ESD can damage PC boards D Put on grounded wrist strap BEFORE handling boards...

Page 8: ...10018 Cutting And Welding Processes NFPA Standard 51B from National Fire Protection Association Batterymarch Park Quincy MA 02269 1 5 EMF Information Considerations About Welding Or Cutting And The Ef...

Page 9: ...nants qui ont d j re u des combustibles D Portez des v tements de protection exempts d huile tels que des gants en cuir une veste r sistante des pantalons sans revers des bottes et un casque D Ne plac...

Page 10: ...a Sheets MSDS et les instructions du fabricant pour obtenir plus de renseignements sur les m taux couper les enrobages et les nettoyants D Travaillez dans un espace restreint uniquement s il est bien...

Page 11: ...f rences avec les quipements de ra dio navigation et de communication les services de s curit et les ordinateurs D Demander seulement des personnes qualifi es familiaris es avec des quipements lectron...

Page 12: ...ours en cours et les preuves continuent tre examin es En attendant que les conclusions finales de la recherche soient tablies il vous serait sou haitable de r duire votre exposition aux champs lectrom...

Page 13: ...V KVA KW Output Output Gas Cutting Capacity Circuit Voltage DC Single Phase 36 33 16 13 7 5 7 4 55 A 110 Volts DC 50 Duty Cycle Direct Current Air Or 0 875 in 3 Phase 21 20 9 8 7 6 7 9 for 575 V inpu...

Page 14: ...ranty Three Phase Input Power 60 Duty Cycle Overheating 0 15 A OR Reduce Duty Cycle Minutes duty1 4 95 Single PhaseInput Power 50 Duty Cycle 5 Minutes Cutting 5 Minutes Resting 2 3 Cutting Speed The c...

Page 15: ...ng data to determine input power needs 4 Line Disconnect Device Locate unit near correct input power supply Y Special installation may be required where gasoline or volatile liquids are present see NE...

Page 16: ...utput is the same for 50 Hertz or 60 Hertz input power For example the amperes input for 230 V 50 Hz single phase input power is 33 amperes The amperes input for 230 V 60 Hz single phase input power i...

Page 17: ...Conductor Size Max Cord Length 208 V 1 60 Time Delay 2 45 A Normal Operating 3 50 A 10 AWG 72 ft 22 m 230 V 1 60 Time Delay 2 40 A Normal Operating 3 50 A 10 AWG 89 ft 27 m 460 V 1 60 Time Delay 2 20...

Page 18: ...ut And Grounding Conductors 2 Line Disconnect Device See Section 2 6 For single phase operation 3 Black And Brown Input Conductor 4 Blue Input Conductor 5 Insulation Sleeving 6 Electrical Tape Insulat...

Page 19: ...switch to control pilot arc Place switch in Expanded Metal position for continuous pilot arc Use while cutting ex panded metals only The Expanded Metal position keeps the pilot arc in the circuit at a...

Page 20: ...nd turn to adjust pressure Push knob in to lock setting Select desired cutting output with Output Control 3 2 Setting Gas Air Pressure Ref ST 802 183 Ref ST 802 185 Ref SB 192 441 1 Set Controls Turn...

Page 21: ...c can be instantly restarted during postflow by pressing trigger Check Torch Tip Electrode And Retaining Cup Check Gas Air Pressure Set Controls Begin Cutting Turn On Power Source The pilot arc starts...

Page 22: ...e conditions Each Use Check Torch Tip Electrode And Shield Cup Check Gas Air Pressure Every Week Check Shield Cup Shutdown System 3 Months Service Air Filter Regulator Assembly Filter Replace Unreadab...

Page 23: ...s if power source overheats see Section 2 2 1 2 3 Difficulty establishing pilot arc may indicate consumables need to be cleaned or replaced 4 3 Checking Shield Cup Shutdown System Ref ST 801 300 A 1 T...

Page 24: ...ory Authorized Service Agent check for proper torch connections Check operation of gas valve GS1 and check gas air system for leaks Pressure Trouble light On Ready light off Check for correct gas air...

Page 25: ...OM 2220 Page 21 Notes...

Page 26: ...OM 2220 Page 22 SECTION 5 ELECTRICAL DIAGRAM Figure 5 1 Circuit Diagram For Power Source...

Page 27: ...OM 2220 Page 23 197 286 A...

Page 28: ...OM 2220 Page 24 SECTION 6 PARTS LIST ST 802 184 E Hardware is common and not available unless listed 4 5 6 10 11 16 22 23 37 39 43 52 53 19 12 13 15 49 50 27 28 51 28 25 Figure 6 1 Main Assembly...

Page 29: ...CUIT CARD ASSY driver pwm 1 26 196 163 WINDTUNNEL 1 27 193 675 RESISTOR bleeder 1 28 190 313 INSULATOR pc card 2 29 FM 175 084 FAN 1 30 PM1 191 591 KIT IGBT 914016 002 IGBT 1 31 195 947 HEATSINK 2 32...

Page 30: ...Notes...

Page 31: ...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 32: ...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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