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ArcReach
12 CE and Non-CE
Models
OWNER'S MANUAL
OM-278792M
Processes
MIG (GMAW) Welding
Flux Cored (FCAW) Welding
Description
Wire Feeder
SuitCase
®
2021-06
®

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Summary of Contents for Miller ArcReach SuitCase 12 CE

  • Page 1 OM-278792M 2021-06 Processes MIG (GMAW) Welding Flux Cored (FCAW) Welding Description Wire Feeder ArcReach SuitCase ® ® 12 CE and Non-CE Models OWNER’S MANUAL For product information, Owner’s Manual translations, and more, visit www.MillerWelds.com...
  • 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 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 5 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: 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 8 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 9: 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 10: 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 11: 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 12 � 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 13: 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 14 � 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 15: 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 16: Section 3 - Definitions

    Some symbols are found only on CE products. Some symbols are found only on CE products. � Complete Parts List is available at www.MillerWelds.com 1-1. Additional Safety Symbols And Definitions 1-1. Additional Safety Symbols And Definitions 1-1. Additional Safety Symbols And Definitions SECTION 3 –...
  • Page 17 at job site. Double-check all connections, relinking board posi Keep your head out of the fumes Keep flammables away from welding. Do not weld near flammables. input voltage before applying power. Welding sparks can cause fires. Have a fire extinguisher nearby, and have a watchperson ready to use it. Do not cut on drums or any closed containers.
  • Page 18: Miscellaneous Symbols And Definitions

    igger Intermittent (Stitch) Welding � Complete Parts List is available at www.MillerWelds.com 3-2. Miscellaneous Symbols And Definitions Wire Burnback Control Some symbols are found on CE products. Wire Run-In Speed Control Wire Run In Speed Filter Percent Initial Current Amperage Purge By Gas Final Current Voltage...
  • Page 19: 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 20: Gun Recommendation Table

    � Complete Parts List is available at www.MillerWelds.com 4-7. Gun Recommendation Table Process GMAW - Hard or Cored Wires Bernard Q-Gun, S-Gun Tregaskiss Tough Gun Roughneck C-Series FCAW - Self-Shielding Wires Bernard Dura-Flux Gun Ironmate Series OM-278792 Page 14...
  • Page 21: Section 5 - Installation

    � Complete Parts List is available at www.MillerWelds.com SECTION 5 – INSTALLATION 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 22: Connection Diagram

    � Complete Parts List is available at www.MillerWelds.com 5-2. Connection Diagram Ref. 278805-A Turn Off wire feeder and welding Weld cable and work cable connections to 7 Gun power source (DCEN/DCEP) are dependant power source. Stop engine on weld- 8 Gun Trigger Receptacle ing generator.
  • Page 23: Equipment Setup

    � Complete Parts List is available at www.MillerWelds.com 4 Dependent on the capabilities of the ArcReach power source, the feeder may set the mode switch to the correct wire mode. The wire mode is determined by the polarity of the connections to the feeder. 5 Use voltage control on feeder to adjust preset weld voltage.
  • Page 24: Installing Drive Rolls

    � Complete Parts List is available at www.MillerWelds.com 5-6. Installing Drive Rolls Ref. 257817-B 3 Drive Roll Cleaning Drive Rolls: Installing Drive Rolls: Remove drive rolls, and clean grooves using Slide drive roll onto drive roll carrier. Turn 1 Drive Securing Roll Nut a wire brush.
  • Page 25: Connecting Welding Gun And Voltage Sensing Clamp

    � Complete Parts List is available at www.MillerWelds.com 5-7. Connecting Welding Gun And Voltage Sensing Clamp Turn Off wire feeder and welding power source. Stop engine on welding generator. Weld voltage is present at voltage sensing clamp when wire feeder and welding power source are on.
  • Page 26: Connecting Shielding Gas

    � Complete Parts List is available at www.MillerWelds.com 5-8. Connecting Shielding Gas NOTICE – This feeder has a shielding gas filter that requires special attention when cleaning. See Section 7-3 for proper clean- ing instructions. 1 Gas Hose With 5/8-18 Right-hand Thread Fittings (Customer Supplied) �...
  • Page 27: 5-10. Selecting Cable Sizes

    � Complete Parts List is available at www.MillerWelds.com 5-10. Selecting Cable Sizes* Turn off power before connecting to weld output terminals. Do not use worn, damaged, undersized, or repaired cables. 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).
  • Page 28: 5-11. Installing And Threading Welding Wire

    � Complete Parts List is available at www.MillerWelds.com 5-11. Installing And Threading Welding Wire 6 in. (150 mm) philips head wrench crescent wrench Ref. 257806-B nutdriver chippinghammer workclamp wirecutter frontcutter Step 2. Threading Welding Wire. Lay gun one half turn past the point where the wire Installing Wire Adjusting...
  • Page 29: 5-12. Motor Board (Pc1) Dip Switch Settings

    � Complete Parts List is available at www.MillerWelds.com 5-12. Motor Board (PC1) DIP Switch Settings 1 Motor Control Board PC1 2 DIP Switch SW1 3 LED5 � DIP switch SW1 is used to match the performance of PC1 to the characteris- tics of the motor used in the feeder.
  • Page 30: 5-13. Meter Board (Pc22) Dip Switch Settings

    � Complete Parts List is available at www.MillerWelds.com 5-13. Meter Board (PC22) DIP Switch Settings 1 Factory default DIP switch settings to dis- play wire speed as inches per minute 2 Factory default DIP switch settings to dis- play wire speed as meters per minute Accessing DIP Switch 3 Lens DIP switch is located under the lens next to...
  • Page 31 � Complete Parts List is available at www.MillerWelds.com DIP Switch Settings Display Hold OFF - Set switch 1 so the depressed section is toward OPEN as labeled on the switch. Displays will not hold values. The voltage displayed while welding is an average reading over a time span of 6 to 8 seconds.
  • Page 32 � Complete Parts List is available at www.MillerWelds.com DIP Switch Settings Display Feeder Information - Set switch 5 so the depressed section is toward OPEN as labeled on the switch. With switch in ON position, at feeder power up, feeder will display various sets of information. Each set of information will be displayed for three seconds.
  • Page 33 Notes...
  • Page 34: Section 6 - Operation

    � Complete Parts List is available at www.MillerWelds.com SECTION 6 – OPERATION 6-1. Controls (See Section 6-2) Internal Control Panel Ref. 278794-A OM-278792 Page 28...
  • Page 35: Description Of Front Panel Controls (See Section 6-1)

    � Complete Parts List is available at www.MillerWelds.com 6-2. Description Of Front Panel Controls (See Section 6-1) Amperage displayed at the feeder is approx- 7 CC/CV Switch 1 Voltmeter imate. Refer to power source for actual amperage. Use switch to match feeder with the output When not welding and the wire feeder is not of the power source.
  • Page 36: Cable Length Compensation (Clc)

    � Complete Parts List is available at www.MillerWelds.com 6-3. Cable Length Compensation (CLC) � CLC will only work with a compatible power source. � Having a good clean connection with the v-sense clamp will ensure CLC works properly. 1 Cable Length Compensation (CLC)
  • Page 37: Wire Speed Dual Schedule

    � Complete Parts List is available at www.MillerWelds.com 6-4. Wire Speed Dual Schedule Ref. 278798-A whether it is standard wire speed or reduced 4 Weld Gun With External Mounted Dual Wire Speed Dual Schedule allows the oper- wire speed. Schedule Switch Comparable To DSS- ator to switch between standard wire speed 9-15 (071833) and a reduced wire speed.
  • Page 38: Wire Speed Control Settings

    � Complete Parts List is available at www.MillerWelds.com 6-5. Wire Speed Control Settings Ref. 257488-A OM-278792 Page 32...
  • Page 39: Section 7 - Maintenance And Troubleshooting

    � Complete Parts List is available at www.MillerWelds.com SECTION 7 – MAINTENANCE AND TROUBLESHOOTING 7-1. Routine Maintenance 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 SECTION 17 MAINTENANCE &...
  • Page 40: Cleaning Debris From Shielding Gas Filter Fitting

    allen_wrench allen_set flathead philips head wrench crescent wrench � Complete Parts List is available at www.MillerWelds.com 7-3. Cleaning Debris From Shielding Gas Filter Fitting Disconnect Power before maintaining. 1 Shielding Gas Filter Fitting pliers needlenose knife steelbrush nutdriver Remove fitting from gas valve on back panel chippinghammer of feeder.
  • Page 41 � Complete Parts List is available at www.MillerWelds.com Have Factory Authorized Service Agent check Control board PC1. Check DIP switch settings on Meter Board PC22 (see section 5-13) Wire stubbing on low end using a con- Ensure that CC/CV switch in feeder is in CC position (see Section 6-1). stant current power source or feeder Increase power source inductance setting if available.
  • Page 42: Diagnostics

    � Complete Parts List is available at www.MillerWelds.com 7-5. Diagnostics Error Indicators Shown On Display RED LED on Motor Board PC1 Error HLP 11 1 Blink Communication Error HLP 12 2 Blinks Trigger Error HLP 13 3 Blinks Tach Error HLP 14 4 Blinks Motor Overload Error...
  • Page 43 OM-278792 Page 37...
  • Page 44: Section 8 - Electrical Diagrams

    SECTION 8 – ELECTRICAL DIAGRAMS Figure 8-1. Circuit Diagram OM-278792 Page 38...
  • Page 45 OM-278792 Page 39...
  • Page 46 Notes...
  • Page 47: 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 48 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...

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