Miller Dynasty 280 Series Owner's Manual
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Miller Dynasty 280 Series Owner's Manual

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Dynasty 280, 280 DX
Dynasty
Dynasty 280 DX Multiprocess
Maxstar
Maxstar 280, 280 DX
CE And Non-CE Models
CE And Non-CE Models
OWNER'S MANUAL
OM-253086Z
OM-253086AA
Processes
Processes
TIG (GTAW) Welding
TIG (GTAW) Welding
Stick (SMAW) Welding
Stick (SMAW) Welding
MIG (GMAW) Welding
MIG (GMAW) Welding
Flux Cored (FCAW) Welding
Description
Flux Cored (FCAW) Welding
Description
208 575 Volt Models w/Autoline
Arc Welding Power Source
280–575 Volt Models w/Autoline Arc
Welding Power Source
280 Series
®
280 Series
®
2020-10
2021-06

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Summary of Contents for Miller Dynasty 280 Series

  • Page 1 OM-253086Z 2020-10 OM-253086AA 2021-06 Processes Processes TIG (GTAW) Welding TIG (GTAW) Welding Stick (SMAW) Welding Stick (SMAW) Welding MIG (GMAW) Welding MIG (GMAW) Welding Flux Cored (FCAW) Welding Description Flux Cored (FCAW) Welding Description 208 575 Volt Models w/Autoline Arc Welding Power Source 280–575 Volt Models w/Autoline Arc Welding Power Source Dynasty 280, 280 DX...
  • Page 2 We know you don’t have time to do it any other way. That’s why when Niels Miller first started building arc welders in 1929, he made sure his products offered long-lasting value and superior quality.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION 1 – SAFETY PRECAUTIONS – READ BEFORE USING..............1 Symbol Usage .
  • Page 4 TABLE OF CONTENTS 10-1 Accessing Tech Menu For Dynasty/Maxstar 280 Models ..............55 10-2 Accessing Tech Menu For Dynasty/Maxstar 280DX Models .
  • Page 5 DECLARATION OF CONFORMITY for European Community (CE marked) products. MILLER Electric Mfg. LLC, 1635 Spencer Street, Appleton, WI 54914 U.S.A. declares that the product(s) identified in this declaration conform to the essential requirements and provisions of the stated Council Directive(s), Commission Regulation(s) and Standard(s).
  • Page 6 DECLARATION OF CONFORMITY For United Kingdom (UKCA marked) products. MILLER Electric Mfg. LLC, 1635 West Spencer Street, Appleton, WI 54914 U.S.A. declares that the product(s) identified in this declaration conform to the essential requirements and provisions of the stated Regulation(s) and Standard(s).
  • Page 7 EMF DATA SHEET FOR ARC WELDING POWER SOURCE Product/Apparatus Identification Product Stock Number DYNASTY 280 DX (AUTO-LINE 208-575), CPS, CE 907514002 DYNASTY 280 DX (AUTO-LINE 208-575), CPS, VS, CE 907514008 Compliance Information Summary Applicable regulation Directive 2014/35/EU Reference limits Directive 2013/35/EU, Recommendation 1999/519/EC Applicable standards IEC 62822-1:2016, IEC 62822-2:2016 Intended use...
  • Page 8 EMF DATA SHEET FOR ARC WELDING POWER SOURCE Product/Apparatus Identification Product Stock Number MAXSTAR 280 DX (AUTO-LINE 208-575), CPS, CE 907539002 Compliance Information Summary Applicable regulation Directive 2014/35/EU Reference limits Directive 2013/35/EU, Recommendation 1999/519/EC Applicable standards IEC 62822-1:2016, IEC 62822-2:2016 Intended use for occupational use for use by laymen...

  • Page 9: Section 1 - Safety Precautions - Read Before Using

    SECTION 1 – SAFETY PRECAUTIONS – READ BEFORE USING Protect yourself and others from injury—read, follow, and save these important safety precautions and operating instructions. 1-1. Symbol Usage DANGER! – Indicates a hazardous situation which, if not avoided, will result in death or serious injury. The possible hazards are shown in the adjoining symbols or explained in the text.
  • Page 10 HOT PARTS can burn. WELDING can cause fire or explosion. � Do not touch hot parts bare handed. � Allow cooling period before working on equipment. Welding on closed containers, such as tanks, drums, or pipes, can cause them to blow up. �...

  • Page 11: Additional Hazards For Installation, Operation, And Maintenance

    � Never weld on a pressurized cylinder — explosion will result. CYLINDERS can explode if � Use only correct compressed gas cylinders, regulators, hoses, damaged. and fittings designed for the specific application; maintain them Compressed gas cylinders contain gas under high and associated parts in good condition.

  • Page 12: California Proposition 65 Warnings

    � Have the installation regularly checked and maintained. � Be sure all equipment in the welding area is electromagnetically compatible. � Keep high-frequency source doors and panels tightly shut, keep spark gaps at correct setting, and use grounding and shielding to �...

  • Page 13: Section 2 - Consignes De Sécurité - Lire Avant Utilisation

    SECTION 2 – CONSIGNES DE SÉCURITÉ - LIRE AVANT UTILISATION Pour écarter les risques de blessure pour vous-même et pour autrui — lire, appliquer et ranger en lieu sûr ces consignes relatives aux précautions de sécurité et au mode opératoire. 2-1.
  • Page 14 � Porter un harnais de sécurité si l’on doit travailler au-dessus du � Ne pas souder des métaux munis d’un revêtement, tels que l’acier sol. galvanisé, plaqué en plomb ou au cadmium à moins que le revête- ment n’ait été enlevé dans la zone de soudure, que l’endroit soit �...

  • Page 15: Symboles De Dangers Supplémentaires En Relation Avec L'installation, Le Fonctionnement Et La Maintenance

    � Ne pas couper ou souder des jantes ou des roues. Les pneus peu- Les CHAMPS vent exploser s’ils sont chauffés. Les jantes et les roues réparées ÉLECTROMAGNÉTIQUES (CEM) peuvent défaillir. Voir OSHA 29 CFR 1910.177 énuméré dans les peuvent affecter les implants normes de sécurité.
  • Page 16 � Suivre les consignes du Manuel des applications pour l’équation � Lorsque cela est nécessaire pour des travaux d’entretien et de dé- de levage NIOSH révisée (Publication Nº94– 110) lors du levage pannage, faire retirer les portes, panneaux, recouvrements ou dis- manuelle de pièces ou équipements lourds.

  • Page 17: Proposition Californienne 65 Avertissements

    2-4. Proposition californienne 65 Avertissements AVERTISSEMENT – Ce produit peut vous exposer à des pro- Pour plus d’informations, consulter www.P65Warnings.ca.gov. duits chimiques tels que le plomb, reconnus par l’État de Californie comme cancérigènes et sources de malforma- tions ou d’autres troubles de la reproduction. 2-5.

  • Page 18: Section 3 - Definitions

    Reuse or recycle Waste Electrical and Electronic Equipment (WEEE) by disposing at a designated collection Some symbols are found only on CE products. Warning! Watch Out! There are possible hazards as shown by the symbols. Some symbols are found only on CE products. facility.
  • Page 19 Cutting sparks can cause fires. Have a fire extinguisher nearby, and have a watchperson ready to use it. Do not grip material near cutting path. � Complete Parts List is available at www.MillerWelds.com Safe1 Safe Do not fuel a hot engine. Do not fuel a hot engine.

  • Page 20: Miscellaneous Symbols And Definitions

    Connect Green Or Green/Yellow grounding conductor to ground terminal first. Connect input conductors (L1, L2, L3) to line terminals. � Complete Parts List is available at www.MillerWelds.com Safe36 2012 05 Safe67 2012 06 Move jumper links as shown on inside label to match input voltage at Wear hat and safety glasses.
  • Page 21 � Complete Parts List is available at www.MillerWelds.com Arc Striking without Conventional Load Contact (HF And Panel-Local Voltage Impulse) Shielded Metal Arc Primary Voltage Final Slope Welding (SMAW) A complete Parts A complete Parts L Degree of Protective Earth Final Amperage Protection 1-2.

  • Page 22: Section 4 - Specifications

    Information About Default Weld Parameters And Settings NOTICE – Each welding application is unique. Although certain Miller Electric products are designed to determine and default to certain typical welding parameters and settings based upon specific and relatively limited application variables input by the end user, such default settings are for reference purposes only;...
  • Page 23 � Complete Parts List is available at www.MillerWelds.com Amperes Input At Rated Output Output Ratings Input Power 50/60 Hz Input Proc- Type Cur- Volt- rent Duty 208V 220V 230V 380V 400V 460V 575V (Am- Cycle (DC) peres) 100% 26.5 13.4 12.8 11.1 15.7...
  • Page 24 � Complete Parts List is available at www.MillerWelds.com Amperes Input At Rated Output Output Ratings Input Power 50/60 Hz Input Proc- Type Cur- Volt- rent Duty 208V 220V 230V 380V 400V 460V 575V (Am- Cycle (DC) peres) 25.8 100% 13.4 12.6 27.2 17.3...

  • Page 25: Dimensions, Weights, And Mounting Options

    SECTION 2 INSTALLATION A. Welding Power Source � 2-1. Dimensions, Weights, And Mounting Options Complete Parts List is available at www.MillerWelds.com 4-5. Dimensions, Weights, And Mounting Options A. Welding Power Source A. Welding Power Source Dimensions 13–5/8 in. (346 mm) 8–5/8 in.
  • Page 26 � Complete Parts List is available at www.MillerWelds.com C. Mounting Options Dimensions A complete Parts List is available at www.MillerWelds.com 15–7/16 in. (392 mm) 9–19/32 in. (244 mm) Center-To-Center 5/16 in. (8 mm) 17–15/32 in. (444 mm) 3–3/4 in. (95 mm) 13/64 in.

  • Page 27: Duty Cycle And Overheating

    A complete Parts List is available at www.MillerWelds.com 1-1. Duty Cycle And Overheating � Complete Parts List is available at www.MillerWelds.com 4-6. Duty Cycle And Overheating Duty Cycle is percentage of 10 minutes that unit weld rated load without overheating. If unit overheats, output stops, a Help mes- sage is displayed (see Section 11-4), and cooling fan runs.

  • Page 28: Environmental Specifications

    � Complete Parts List is available at www.MillerWelds.com 4-8. Environmental Specifications A. IP Rating IP Rating IP23 This equipment is designed for outdoor use. B. Temperature Specifications Operating Temperature Range* Storage/Transportation Temperature Range 14 to 104°F (-10 to 40°C) -4 to 131°F (-20 to 55°C) *Output is derated at temperatures above 104°F (40°C).
  • Page 29 � Complete Parts List is available at www.MillerWelds.com E. EU Ecodesign Information 1-1. Additional Safety Symbols And Definitions Minimum Power Source Maximum Idle State Model Input Efficiency Power Consumption Some symbols are found only on CE products. Dynasty 280, 280 DX 400V Three Phase 79.5% 47.7 W...

  • Page 30: Section 5 - Installation

    � Complete Parts List is available at www.MillerWelds.com SECTION 5 – INSTALLATION 18 in. (460 mm) 5-1. Selecting A Location Do not move or operate unit where Movement it could tip. Special installation may be re- quired where gasoline or volatile liquids are present - see NEC Ar- ticle 511 or CEC Section 20.

  • Page 31: Selecting Cable Sizes

    � Complete Parts List is available at www.MillerWelds.com 5-2. Selecting Cable Sizes NOTICE – The Total Cable Length in Weld Circuit (see table below) is the combined length of both weld cables. For example, if the power source is 100 ft (30 m) from the workpiece, the total cable length in the weld circuit is 200 ft (2 cables x 100 ft). Use the 200 ft (60 m) column to determine cable size.

  • Page 32: Connections

    A complete Parts List is available at www.MillerWelds.com � Complete Parts List is available at www.MillerWelds.com A complete Parts List is available at www.MillerWelds.com 5-4. Connections Turn off power before connecting Dynasty Front Panel to weld output terminals. Do not use worn, damaged, under- sized, or repaired cables.

  • Page 33: Cooler Connections

    � Complete Parts List is available at www.MillerWelds.com 5-5. Cooler Connections � Cart cooler optional equipment. 1 Coolmate 1.3 Power Receptacle 2 Cooler Power Cord Provides 115 VAC to power cooler. 3 Electrode Weld Output Terminal (-Weld Output Terminal On Maxstar Models) Connect TIG torch to electrode weld output terminal.

  • Page 34: Electrical Service Guide (Dynasty)

    � Complete Parts List is available at www.MillerWelds.com 5-6. Electrical Service Guide (Dynasty) A. Electrical Service Guide For Three-Phase Operation Failure to follow these electrical service guide recommendations could create an electric shock or fire hazard. These recommen- dations are for an individual branch circuit sized for the rated output and duty cycle of one welding power source. In individual branch circuit installations, the National Electrical Code (NEC) allows the receptacle or conductor rating to be less than the rating of the circuit protection device.
  • Page 35 � Complete Parts List is available at www.MillerWelds.com B. Electrical Service Guide For Single-Phase Operation Failure to follow these electrical service guide recommendations could create an electric shock or fire hazard. These recommen- dations are for an individual branch circuit sized for the rated output and duty cycle of one welding power source. In individual branch circuit installations, the National Electrical Code (NEC) allows the receptacle or conductor rating to be less than the rating of the circuit protection device.

  • Page 36: Electrical Service Guide (Maxstar)

    � Complete Parts List is available at www.MillerWelds.com 5-7. Electrical Service Guide (Maxstar) A. Electrical Service Guide For Three-Phase Operation Failure to follow these electrical service guide recommendations could create an electric shock or fire hazard. These recommen- dations are for an individual branch circuit sized for the rated output and duty cycle of one welding power source. In individual branch circuit installations, the National Electrical Code (NEC) allows the receptacle or conductor rating to be less than the rating of the circuit protection device.
  • Page 37 � Complete Parts List is available at www.MillerWelds.com B. Electrical Service Guide For Single-Phase Operation Failure to follow these electrical service guide recommendations could create an electric shock or fire hazard. These recommen- dations are for an individual branch circuit sized for the rated output and duty cycle of one welding power source. In individual branch circuit installations, the National Electrical Code (NEC) allows the receptacle or conductor rating to be less than the rating of the circuit protection device.

  • Page 38: Connecting 3-Phase Input Power

    � Complete Parts List is available at www.MillerWelds.com 5-8. Connecting 3-Phase Input Power A complete Parts List is available at www.MillerWelds.com 2-3. Connecting Three-Phase Input Power Installation must meet all National and Local Codes—have only quali- fied persons make this installation. Disconnect and lockout/tagout in- put power before connecting input = GND/PE Earth Ground...

  • Page 39: Connecting 1-Phase Input Power

    � Complete Parts List is available at www.MillerWelds.com 5-9. Connecting 1-Phase Input Power A complete Parts List is available at www.MillerWelds.com -4. Connecting Single-Phase Input Power Installation must meet all National and Local Codes—have only quali- fied persons make this installation. Disconnect and lockout/tagout in- put power before connecting input conductors from unit.

  • Page 40: Remote 14 Receptacle Information

    � Complete Parts List is available at www.MillerWelds.com 5-10. Remote 14 Receptacle Information Remote 14 Socket Socket Information Contactor control +15 volts DC, referenced to G. 15 Volts DC Output Contact closure to A completes 15 volts DC con- Contactor tactor control circuit and enables output.

  • Page 41: Software Updates

    � Complete Parts List is available at www.MillerWelds.com 5-12. Software Updates ads Of Software Updates A. Downloading Software Updates 2-13. Software Updates A. Reasons For Downloads Of Software Updates Reasons To Download Software Updates: B. Requirements � To get the latest feature and software improvements with future...

  • Page 42: Section 6 - Dynasty 280 Operation

    SECTION 3 DYNASTY 280 OPERATION � Complete Parts List is available at www.MillerWelds.com SECTION 6 – DYNASTY 280 OPERATION 3-1. Dynasty 280 Controls 6-1. Dynasty 280 Controls 247222-D 4 Voltmeter Blue indicator illuminates when output is on. 1 Standby Button 8 Process Selector Control Displays actual rectified average voltage Use to put machine into low power con-...

  • Page 43: Accessing Control Panel Menu: Ac Tig

    150A � Complete Parts List is available at www.MillerWelds.com A complete Parts List is available at www.MillerWelds.com 6-2. Accessing Control Panel Menu: AC TIG 3-2. Accessing Control Panel Menu: AC TIG ailable at www.MillerWelds.com 1 Menu Button Press Menu button to cycle through parame- ters that can be set.

  • Page 44: Accessing Control Panel Menu: Dc Tig

    � A complete Parts List is available at www.MillerWelds.com Complete Parts List is available at www.MillerWelds.com 6-3. Accessing Control Panel Menu: DC TIG 3-3. Accessing Control Panel Menu: DC TIG 1 Menu Button Press Menu button to cycle through parame- ters that can be set.

  • Page 45: Accessing Control Panel Menu: Ac And Dc Stick

    � Complete Parts List is available at www.MillerWelds.com 6-4. Accessing Control Panel Menu: AC And DC Stick 247222-D 3-4. Accessing Control Panel Menu: AC And DC Stick 1 Menu Button Press Menu button to cycle through parame- ters that can be set. 2 Parameter Display 3 Setting Display 4 Amperage Adjustment Control...

  • Page 46: Accessing User Setup Menu: Ac And Dc Tig

    � Complete Parts List is available at www.MillerWelds.com A complete Parts List is available at www.MillerWelds.com 6-5. Accessing User Setup Menu: AC And DC TIG 3-5. Accessing User Setup Menu: AC And DC TIG 1 Menu Button Press and hold Menu button for approxi- mately 2 seconds to access machine User Setup menu.

  • Page 47: Accessing User Setup Menu: Ac And Dc Stick

    � Complete Parts List is available at www.MillerWelds.com A complete Parts List is available at www.MillerWelds.com 6-6. Accessing User Setup Menu: AC And DC Stick 3-6. Accessing User Setup Menu: AC And DC Stick 1 Menu Button Press and hold Menu button for approxi- mately 2 seconds to access User Setup menu.

  • Page 48: Section 7 - Dynasty 280 Dx Operation

    A complete Parts List is available at www.MillerWelds.com � Complete Parts List is available at www.MillerWelds.com SECTION 4 DYNASTY 280 DX OPERATION SECTION 7 – DYNASTY 280 DX OPERATION 4-1. Dynasty 280 DX And Dynasty 280 DX Multiprocess Controls 7-1. Dynasty 280 DX Controls 280589-A This port is used to add features to the ma-...

  • Page 49: Accessing Control Panel Menu

    A complete Parts List is available at www.MillerWelds.com A complete Parts List is available at www.MillerWelds.com � Complete Parts List is available at www.MillerWelds.com 4-2. Accessing Control Panel Menu 4-2. Accessing Control Panel Menu 7-2. Accessing Control Panel Menu 1 Amperage Button 2 Parameter Display 3 Setting Display 4 Amperage Adjustment Control...
  • Page 50 � Complete Parts List is available at www.MillerWelds.com Output (Trigger Mode Selection) 247220-D � See Section 10 for additional trigger function options. Parameter/Setting Description Display [RMT] [STD] Typical setting for a remote foot or hand control. RMT STD requires a maintained contact closure to enable weld output.

  • Page 51: Accessing User Setup Menu

    � Complete Parts List is available at www.MillerWelds.com Gas/DIG Control With Optional V-Sense Feeder [IND] [30%] [IND] Arc Control (Inductance) (Multiprocess Models) Controls the dynamic properties of the arc to control the puddle. The 0% setting gives a minimum inductance, that is a stiff, fast responding arc, and a small, fast freezing puddle.

  • Page 52: Ac Independent Expansion

    � Complete Parts List is available at www.MillerWelds.com Output Trigger Mode Functions [RMT] [2T] See Section 10-4 to reconfigure RMT functions. Independent Amperage Control (CE Models Only) Parameter/Setting Display Description [ENEP] [SAME] Standard mode of operation for controlling AC amperage setting. [ENEP] [INDP] For AC TIG welding allows the user to set the EP amperage independently from the EN amperage.
  • Page 53 � Complete Parts List is available at www.MillerWelds.com AC Independent Amperage Press AC Waveshape button until desired function is selected. � Both Balance and AC Frequency LEDs light when either EN or EP Amperage is selected. Parameter/Setting Display Description Example [EN] [150A] EN Amperage: Use with AC TIG only to select electrode negative amperage value.

  • Page 54: Section 8 - Maxstar 280 Operation

    � Complete Parts List is available at www.MillerWelds.com SECTION 5 MAXSTAR 280 OPERATION SECTION 8 – MAXSTAR 280 OPERATION 5-1. Maxstar 280 Controls 8-1. Maxstar 280 Controls LIFT ARC HF START Schedule 2 Schedule 1 247218-C OM-253086 Page 16 This port is used to add features to the ma- 7 Output ON Indicator �...

  • Page 55: Accessing Control Panel Menu: Dc Tig Hf And Lift-Arc

    � Complete Parts List is available at www.MillerWelds.com A complete Parts List is available at www.MillerWelds.com 8-2. Accessing Control Panel Menu: DC TIG HF And Lift-Arc 5-2. Accessing Control Panel Menu: DC TIG HF And Lift Arc 1 Menu Button Press Menu button to cycle through parame- ters that can be set.

  • Page 56: Accessing Control Panel Menu: Dc Stick

    � Complete Parts List is available at www.MillerWelds.com A complete Parts List is available at www.MillerWelds.com 8-3. Accessing Control Panel Menu: DC Stick 5-3. Accessing Control Panel Menu: DC Stick 1 Menu Button Press Menu button to cycle through parame- ters that can be set.

  • Page 57: Accessing User Setup Menu: Dc Tig And Lift-Arc

    � Complete Parts List is available at www.MillerWelds.com A complete Parts List is available at www.MillerWelds.com 8-4. Accessing User Setup Menu: DC TIG And Lift-Arc 5-4. Accessing User Setup Menu: DC TIG HF And Lift-Arc 1 Menu Button Press and hold Menu button for approxi- mately 2 seconds to access User Setup menu.

  • Page 58: Accessing User Setup Menu: Ac And Dc Stick

    � Complete Parts List is available at www.MillerWelds.com A complete Parts List is available at www.MillerWelds.com 8-5. Accessing User Setup Menu: AC And DC Stick 5-5. Accessing User Setup Menu: DC Stick 1 Menu Button Press and hold Menu button for approxi- mately 2 seconds to access User Setup menu.

  • Page 59: Section 9 - Maxstar 280 Dx Operation

    A complete Parts List is available at www.MillerWelds.com � Complete Parts List is available at www.MillerWelds.com SECTION 6 MAXSTAR 280 DX OPERATION SECTION 9 – MAXSTAR 280 DX OPERATION 9-1. Maxstar 280 DX Controls 6-1. Maxstar 280 DX Controls 247216-D Use amperage adjustment control in con- also used to display parameter descriptions �...

  • Page 60: Accessing Control Panel Menu

    6-2. Accessing Control Panel Menu A complete Parts List is available at www.MillerWelds.com � Complete Parts List is available at www.MillerWelds.com 9-2. Accessing Control Panel Menu 4-2. Accessing Control Panel Menu 1 Amperage Button 2 Parameter Display 3 Setting Display 4 Amperage Adjustment Control A complete Parts List is available at www.MillerWelds.com Rotate amperage adjustment control to ad-...
  • Page 61 � Complete Parts List is available at www.MillerWelds.com A complete Parts List is available at www.MillerWelds.com Output (Trigger Mode Selection) A complete Parts List is available at www.MillerWelds.com [OUT] [ON] Output on. (Stick and Lift-Arc TIG Only) A complete Parts List is available at www.MillerWelds.com Weld output terminals are energized at all times when displays read [OUT] [ON].

  • Page 62: Accessing User Setup Menu

    A complete Parts List is available at www.MillerWelds.com � 6-3. Accessing User Setup Menu Complete Parts List is available at www.MillerWelds.com 9-3. Accessing User Setup Menu 1 Amperage Button 2 Gas/Dig Button 3 Parameter Display 4 Setting Display 5 Amperage Adjustment Control USER MENU To access the User Setup menu, press and...

  • Page 63: Section 10 - Advanced Menu Functions

    � Complete Parts List is available at www.MillerWelds.com A complete Parts List is available at www.MillerWelds.com SECTION 10 – ADVANCED MENU FUNCTIONS SECTION 7 ADVANCED MENU FUNCTIONS 10-1. Accessing Tech Menu For Dynasty/Maxstar 280 Models 7-1. Accessing Tech Menu For Dynasty/Maxstar 280 Models 1 Menu Button Press and hold Menu button for approxi- mately four seconds to scroll past User Menu...

  • Page 64: Accessing Tech Menu For Dynasty/Maxstar 280Dx Models

    � Complete Parts List is available at www.MillerWelds.com A complete Parts List is available at www.MillerWelds.com 10-2. Accessing Tech Menu For Dynasty/Maxstar 280DX Models 7-2. Accessing Tech Menu For Dynasty/Maxstar 280 DX Models 1 Amperage Button 2 Gas/Dig Button Press and hold Amperage and Gas/Dig but- tons for approximately two seconds to scroll past User Menu to Tech Menu.

  • Page 65: Sequencer And Weld Timer For Dx Models

    � Complete Parts List is available at www.MillerWelds.com Parameter/Setting Display Description [ARC] [T/CY] Arc Timer: Monitors hours, minutes, and cycles of valid arc on. To view, rotate amperage adjustment con- trol. To reset, rotate amperage adjustment control until [RESET] [YES] is displayed. Press Menu button to display [RESET] [Done].

  • Page 66: Output Control And Trigger Functions For Dx Models

    � Complete Parts List is available at www.MillerWelds.com 10-4. Output Control And Trigger Functions For DX Models A. Remote (Standard), 2T, And 4TE Torch Trigger Operation Current (A) Current (A) Current (A) Current (A) Main Amps Initial Slope Main Amps Final Slope Main Amps Main Amps...
  • Page 67 � Complete Parts List is available at www.MillerWelds.com B. 3T Specific Trigger Method 3T Trigger Operation Definitions: 2 Press initial switch to start arc at initial * Arc can be extinguished at any time by amps. Holding switch will change amper- pressing and releasing both initial and final Initial slope rate is the rate of amperage age at initial slope rate (release switch to...
  • Page 68 Main Amps � Initial Slope Complete Parts List is available at www.MillerWelds.com Final Slope C. 4T, 4Tm, And 4TL Specific Trigger Method C. 4T, 4Tm, And 4TL Specific Trigger Method Initial Amps Final Amps Postflow Preflow *P/R *P/R 4T And 4Tm Application: 4T And 4Tm Torch Trigger Operation Current (A) Use 4T or 4Tm (modified) trigger method...

  • Page 69: Lockout Functions

    A complete Parts List is available at www.MillerWelds.com � Complete Parts List is available at www.MillerWelds.com 10-5. Lockout Functions See Section 10-2 for information on how to access Lockout Functions. There are four (1-4) different lockout levels. Each successive level allows the operator more flexibility.

  • Page 70: Lockout Levels Defined

    � Complete Parts List is available at www.MillerWelds.com 10-6. Lockout Levels Defined Minimum Adjustability Degree of Adjustability Maximum Adjustability Lock Level 1 Lock Level 2 Lock Level 3 Lock Level 4 Adjustable Locked Adjustable Locked Adjustable Locked Adjustable Locked Panel Amps Panel Amps Panel Amps Remote Amps...

  • Page 71: Section 11 - Maintenance And Troubleshooting

    � Complete Parts List is available at www.MillerWelds.com SECTION 11 – MAINTENANCE AND TROUBLESHOOTING 11-1. Routine Maintenance A complete Parts List is available at www.MillerWelds.com Disconnect power before maintaining. SECTION 12 MAINTENANCE AND TROUBLESHOOTING � Maintain more often during severe conditions. A complete Parts List is available at www.MillerWelds.com A complete Parts List is available at www.MillerWelds.com A.

  • Page 72: Blowing Out Inside Of Unit

    � Complete Parts List is available at www.MillerWelds.com 11-2. Blowing Out Inside Of Unit ng Out Inside of Unit Do not remove case when blowing Do not remove case when out inside of unit. blowing out inside of unit. To blow out unit, direct airflow through front To blow out unit, direct airflow and back louvers as shown.

  • Page 73: Voltmeter/Ammeter Display Messages

    � Complete Parts List is available at www.MillerWelds.com 11-4. Voltmeter/Ammeter Display Messages � All directions are in reference to the front of the unit. All circuitry referred to is located inside the unit. Message Type Display Message Description Release Trigger [RELE] [ASE] / Remote 14 receptacle contactor control (Pins A-B) must be opened before [TRIG] [GER]...

  • Page 74: Troubleshooting Table

    � Complete Parts List is available at www.MillerWelds.com 11-5. Troubleshooting Table Trouble Remedy No weld output; unit completely Place line disconnect switch in On position (see Section 5-9 or 5-8). inoperative. Check and replace line fuse(s), if necessary, or reset circuit breaker (see Section 5-9 or 5-8). Check for proper input power connections (see Section 5-9 or 5-8).

  • Page 75: Section 12 - Parts List

    � Complete Parts List is available at www.MillerWelds.com SECTION 12 – PARTS LIST 12-1. Recommended Spare Parts Recommended Spare Parts Dia. Mkgs. Part No. Description Quantity 239494 Screen, Filter Lp Cyl 100x100x0.0045 SST A 043810 Coolant +When ordering a component originally displaying a precautionary label, the label should also be ordered. Labels available separately or as part of label kit.

  • Page 76: Section 13 - Electrical Diagrams

    SECTION 13 – ELECTRICAL DIAGRAMS SECTION 8 ELECTRICAL DIAGRAMS 255980-G Figure 13-1. Circuit Diagram For Dynasty 280 OM-253086 Page 26 OM-253086 Page 68...
  • Page 77 255981-H Figure 13-2. Circuit Diagram For Maxstar 280 OM-253086 Page 27 OM-253086 Page 69...

  • Page 78: Section 14 - High Frequency

    SECTION 14 – HIGH FREQUENCY SECTION 1 HIGH FREQUENCY 14-1. Welding Processes Requiring High Frequency SECTION 1 HIGH FREQUENCY 1 High-Frequency Voltage TIG – helps arc jump air gap between torch and workpiece and/or stabilize the arc. 14-2. Installation Showing Possible Sources Of HF Interference 11, 12 Best Practices Not Followed 11, 12...

  • Page 79: Recommended Installation To Reduce Hf Interference

    14-3. Recommended Installation To Reduce HF Interference Best Practices Followed 50 ft (15 m) 50 ft (15 m) 1 High-Frequency Source (welding power Conduit Joint Bonding and Grounding Ground workpiece if required by codes. source with built-in HF or separate HF Electrically join (bond) all conduit sections 9 Nonmetal Building unit)

  • Page 80: Section 15 - Tig Procedures

    SECTION 5 TIG PROCEDURES SECTION 15 – TIG PROCEDURES SECTION 5 TIG PROCEDURES SECTION 5 TIG PROCEDURES Lift-Arc And HF TIG Start Procedures 15-1. Lift-Arc And HF TIG Start Procedures Lift-Arc And HF TIG Start Procedures Lift-Arc And HF TIG Start Procedures Lift-Arc Start Lift-Arc Start Method When Lift-Arc...

  • Page 81: Pulser Control

    15-2. Pulser Control 9-4. Pulser Control (main amperage). Peak amperage is set 1 Pulser Control Percent with the Amperage control (see Operation (%) Peak Pulsed Output section). If one pulse per second is being Time Con- Waveforms Pulsing is available while using the TIG used, and peak time is set at 50%, one-half trol Setting process.

  • Page 82: General (Gen) Tungsten To Change Programmable Tig Starting Parameters

    15-3. General (GEN) Tungsten To Change Programmable TIG Starting Parameters 9-5. General (GEN) Tungsten Programmable TIG Starting Parameters (DX Models Only) 1 Amperage Adjustment Control 2 Parameter Display 3 Amperage Button Once inside the machine set up menu, tung- sten parameter values can be manually changed by pressing the Amperage switch pad to step through each adjustable parame- TUNG...

  • Page 83: Section 16 - Selecting And Preparing A Tungsten For Dc Or Ac Welding With Inverter Machines

    SECTION 16 – SELECTING AND PREPARING A TUNGSTEN FOR DC OR AC WELDING WITH INVERTER MACHINES 16-1. Selecting Tungsten Electrode Whenever possible and practical, use DC weld output instead of AC weld output. NOTICE – Wear clean gloves to prevent contamination of tungsten. A.

  • Page 84: Preparing Tungsten Electrode For Dc Electrode Negative (Dcen) Welding Or Ac Welding With Inverter Machines

    1-1. Preparing Tungsten Electrode For DC Electrode Negative (DCEN) Welding Or AC Welding With Inverter Machines Grinding the tungsten electrode produces dust and flying sparks which can cause injury and start fires. 16-2. Preparing Tungsten Electrode For DC Electrode Negative (DCEN) Welding Or AC Use local exhaust (forced ventilation) at the grinder or wear an approved respirator.

  • Page 85: Section 17 - Stick Welding (Smaw) Guidelines

    SECTION 17 – STICK WELDING (SMAW) GUIDELINES 17-1. Electrode And Amperage Selection Chart 6010 DEEP 3/32 MIN. PREP, ROUGH HIGH SPATTER 6011 DEEP 6010 5/32 & 6013 EP,EN GENERAL 3/16 6011 7/32 SMOOTH, EASY, 7014 EP,EN FAST 1/16 LOW HYDROGEN, 7018 5/64 STRONG...
  • Page 86 Notes...

  • Page 87: Warranty

    Effective January 1, 2021 (Equipment with a serial number preface of NB 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 TIG Torches (No Labor) below, Miller Electric Mfg.
  • Page 88 Appleton, WI 54914 USA tact your distributor and/or equipment manu- facturer’s Transportation Department. International Headquarters–USA USA Phone: 920-735-4505 USA & Canada FAX: 920-735-4134 International FAX: 920-735-4125 For International Locations Visit www.MillerWelds.com ORIGINAL INSTRUCTIONS – PRINTED IN USA © Miller Electric Mfg. LLC 2021-06...

This manual is also suitable for:

Maxstar 280 seriesDynasty 280 dxMaxstar 280 dx907514002907514008907539002

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