You can enter the first few letters of your model to narrow the list. To order, contact the Miller Literature Department - Have your serial number ready. To activate your FREE subscription today, simply select which newsletter s you would like to receive and complete the form below. Miller respects your privacy concerns. Read our privacy policy for more information. Already signed up? Manage your subscription s by signing into your account.
Or if you don't have a Miller account, create one today. Thank you for subscribing to our eNewsletters. You can manage your subscription s by signing into your account. Know Your Serial Number? Electric shock from wiring can kill. Disconnect input plug or power before working on machine. Hazardous voltage remains on input capacitors after power is turned off.
Do not touch fully charged capacitors. Page Manufacturer's Rating Label Page Symbols And Definitions Page Dc Volt-Ampere Curves Curves of other set- tings fall between curves shown. Stick Max. TIG Max. DIG Max. Page Ac Volt-Ampere Curves Page Duty Cycle And Overheating Duty Cycle And Overheating Duty Cycle is percentage of 10 min- utes that unit can weld at rated load without overheating.
If unit overheats, output stops, a Help message is displayed see Section , and cooling fan runs. Wait fifteen minutes for unit to cool. Reduce amperage or voltage, or duty cycle before welding. Page Selecting A Location Cylinder Valve Open valve slightly so gas flow blows dirt from valve. Close valve. Page Stick Connections Stick Connections Y Turn off power before mak- ing connections. Remote 14 Receptacle If desired, connect remote control to Remote 14 receptacle see Sec- tion Features and options referenced may not be available on your machine.
Verify the model you have before using this section. Page Encoder Control Encoder Control Encoder Control Use control in conjunction with ap- plicable front panel function switch pad to set values for that function. Press Amperage switch pad and turn Encoder control to set weld amperage. Page Voltmeter Voltmeter Volt Meter Displays output or open circuit volt- age. Open circuit voltage is dis- played if power is on and output is available.
Page Process Control Make connections according to Section Controls can be ad- justed while welding. Press switch pad to enable pulser. Encoder Control Ammeter Turn encoder see Section to set ap- propriate value for active Adjust parame- ter. Value selected is shown on the am- meter see Section Value se- lected is shown on the ammeter see Section See Section for all AC Wave- shape parameter ranges.
Encoder Control Press Amperage switch pad. Page 43 D. Page 45 Notes OM Page Page 46 C. Torch trigger operation is as shown. Page 49 E. While in mini logic, the operator may use the trigger on the remote Mini Logic device to toggle between initial slope or main amps and initial amps Page 50 F. NOTE: When a remote switch is connected to the welding power source, use the remote switch to control the weld cycle. Page 51 G. NOTE: When a remote switch is connected to the welding power Spot source, use the remote switch to control the weld cycle.
Page 52 H. When main amperage level is reached, Page Lockout Functions Lockout Functions A. You may Section Page 56 B. Parameter adjustment is limited while lock out levels are active.
Routine Maintenance Y Disconnect power before maintaining. Maintain more often during severe conditions. Gas Hose labels. Indicates a malfunction in the secondary front of the unit. All circuitry referred to power circuit of the unit. Page Troubleshooting Troubleshooting Trouble Remedy No weld output; unit completely Place line disconnect switch in On position see Section or Check and replace line fuse s , if necessary, or reset circuit breaker see Section or Check for proper input power connections see Section or No weld output; Work Wear clean gloves to prevent contamination of tungsten electrode.
Do not use wheel for other jobs or tungsten can become contami- nated causing lower weld quality. Page 68 B. Page Positioning The Torch Positioning The Torch Y Grinding the tungsten elec- trode produces dust and fly- ing sparks which can cause injury and start fires. Use lo- cal exhaust forced ventila- tion at the grinder or wear an approved respirator. Read MSDS for safety information. Consider using cerium or lanthanum based tungsten instead of thoriated.
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