Miller Electric 12VS manual Operation, Controls With Meters

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SECTION 5 − OPERATION

5-1. Controls With Meters

 

2

3

OFF

1

4

5

6

Front Panel

97 8

Internal Control Panel

Internal Side View

1Power Control Switch

2Trigger Hold Switch

Trigger hold allows operator to weld without holding gun trigger.

To use trigger hold function, place trigger hold switch in the ON position.

The operator must hold the trigger for a mini- mum of 2 seconds, but no longer than 6 sec- onds before releasing it. Welding will contin- ue when trigger is released.

To stop welding, press and release the trig- ger.

3 Jog/Purge Switch

Pressing the Jog switch allows the operator to jog wire without energizing the contactor or gas valve.

Pressing the Purge switch allows the opera- tor to purge gas lines before welding and to preset gas flow rate at the flowmeter.

4 Voltmeter

Displays actual arc voltage or open circuit voltage at the feeder.

5 Wire Speed / Amperage Meter

Displays wire speed in Inches per Minute. To display wire speed in Meters per Minute, see Section 4-10.

Amperage displayed at the feeder is approxi- mate. Refer to power source for actual am- perage. To display Amperage, see Section 4-10.

6 Wire Speed Control

Use control to adjust wire speed within the speed range selected by the wire speed range switch, located on the inner control panel.

7 HI/LO Speed Range Switch

Use switch to select speed range. High range is 50 to 780 Inches per minute. Low range is approximately half of high range.

8 CC/CV Switch

Use switch to match feeder with the output of the power source.

9 Soft Start Switch

The Soft Start feature provides a smooth start during most weld conditions. When the trigger is pulled, the wire speed is approxi- mately 25% of the weld wire speed, as set by the wire speed control knob. After an arc is established, the wire speed increases to the weld wire speed.

When using small diameters wire, or with in- verter power sources, it may be necessary to turn switch off to obtain smooth starts.

After adjusting the switches, close and latch the door before welding.

Ref. 804 006-B

OM-1500-19 Page 21

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Contents Processes OM-1500-19 219 185PDescription File MIG GmawFrom Miller to You Table of Contents Standards DirectivesDecstat1/07 Arc Welding Hazards Symbol UsageElectric Shock can kill HOT Parts can cause severe burnsARC Rays can burn eyes and skin Fumes and Gases can be hazardousWelding can cause fire or explosion Flying Metal or Dirt can injure eyesFire or Explosion hazard Welding Wire can cause injuryFalling Unit can cause injury Moving Parts can cause injuryCalifornia Proposition 65 Warnings Principal Safety StandardsEMF Information About Implanted Medical DevicesUNE Décharge Électrique peut entraîner la mort Symboles utilisésLES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures gravesLE Soudage peut provoquer un in cendie ou une explosion LES Bouteilles peuvent exploser si elles sont endommagées LE Bruit peut endommager l’ouïeRisque D’INCENDIE OU D’EXPLO- Sion LA Chute DE L’APPAREIL peut blesserLES Fils DE Soudage peuvent provoquer des blessures Proposition californienne 65 AvertissementsLE Soudage À L’ARC risque de provoquer des interférences Information EMF Principales normes de sécuritéEn ce qui concerne les implants médicaux OM-1500-19 − Definitions Disconnect input plug or power before working on machineKeep your head out of the fumes Weee Label For Products Sold Within The EU Manufacturer’s Rating Label For CE ProductsSymbols And Definitions Specifications − InstallationPower WeightEquipment Connection Diagram Installing Wire Guide And Drive Rolls Installing And Aligning Wire Guide And Drive RollsAligning Wire Guide And Drive Rolls Cleaning Drive RollsConnecting Shielding Gas Connecting Welding Gun And Voltage Sensing ClampWeld Cable Sizes Connecting Weld Cable150 mm Pull and hold wire cut off end Tighten Clockwise Installing And Threading Welding WireInstalling Wire And Adjusting Hub Tension Threading Welding WireDisplay Board PC20 DIP Switch Settings Controls With Meters − OperationControls Without Meters Gun Consumables Information Wire Speed Control Settings Overload Protection And Thermostat Protection − Maintenance & TroubleshootingThermostat Protection Troubleshooting Error Indications DiagnosticsCommunication Error Motor Overload ErrorOM-1500-19 Circuit Diagram For Wire Feeder − Electrical Diagram19 20 51 68 − Parts ListDiagram Part Marking Description Quantity 207 Front Panel Assembly without Meters Front Panel Assembly with Meters Drive Roll & Wire Guide Kits 2 Drive Roll Start Your Professional Welding Career Now SOCKET/WRENCH Selection Table Standard Metric Material Thickness Gauge Your distributor also gives ServiceSupport Miller Electric Mfg. Co To locate a Distributor or Service Agency visitFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s