Miller Electric XMS 4000 manual Installation, Specifications, Duty Cycle And Overheating

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SECTION 3 − INSTALLATION

3-1. Specifications

				Maximum		Amperes Input
	Rated Welding	Voltage	Amperage	Maximum		at Rated Load
	Rated Welding	Voltage	Amperage	Open-Circuit	IP Rating	Output 50/60 Hz
	Output	Range	Range	Open-Circuit	IP Rating	Output 50/60 Hz
	Output	Range	Range	Voltage DC
				Voltage DC		400 V	KVA	KW
						400 V	KVA	KW

	300 A @					17.0	12.4	11.5
	32 Volts DC,	10 − 35	5 − 400	90	23C	17.0	12.4	11.5
	32 Volts DC,	10 − 35	5 − 400	90	23C	(0,15*)	(0,09*)	(0,04*)
	60% Duty Cycle					(0,15*)	(0,09*)	(0,04*)
	60% Duty Cycle

	*While idling

3-2. 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 5-3), and cooling fan runs. Wait fifteen minutes for unit to cool. Reduce amperage or duty cycle be- fore welding.

Y Exceeding duty cycle can damage unit and void war- ranty.

60% Duty Cycle

6 Minutes Welding

4 Minutes Resting

Overheating

0	A
	15
	OR
Minutes	Reduce Duty Cycle
Minutes

Ref. SA-178 651

OM-224 043 Page 9

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Contents Xmsr From Miller to You Table of Contents Declaration of Conformity for European Community CE Products Marks a special safety message Symbol UsageArc Welding Hazards Magnetic Fields can affect pacemakers ARC Rays can burn eyes and skinFire or Explosion hazard California Proposition 65 WarningsEMF Information Principal Safety StandardsAbout Pacemakers Manufacturer’s Warning Label Definitions − Definitions60 s 100 h. std I1max Manufacturer’s Rating Labels Symbols And DefinitionsI1eff Specifications − InstallationDuty Cycle And Overheating Volt-Ampere Curves Remove wire spool Turntable ScrewMovement Do not move or operate unit where it could tip Dimensions and WeightSelecting a Location LocationRemote 7 Receptacle Information TIG And Stick Only Weld Output Terminals And Selecting Cable SizesARC Welding can cause Electromagnetic Interference 120 mFilling Coolant Tank Circuit BreakersConnecting Input Power Electrical Service Guide50/60 Hz Three Phase = GND/PEFront Panel Controls − OperationWelding Process Selection Switching On the Unit and Recalling Factory ParametersBe aware that the wire type selection is Gas Selection in Synergic MIG or Synergic Pulsed MIG Welding Trigger Mode Selection TIG and Stick OnlySetting Menu Type TIG and Stick only Setup Push Button And Advanced ProgrammingSetting Cooler Status During SettingPreparing Unit For MIG Welding Selecting Manual MIG WeldingSelecting Synergic MIG Welding Setting Cooler Status see SectionDuring Synergic MIG Welding Selecting Synergic Pulsed MIG Welding Setting Postflow only in Menu Full Setting Initial And Final Amperage only in Menu FullSetting Cooler Status only in Menu Full Preparing Unit For TIG WeldingPreparing Unit For Stick Welding TIG Lift-Arc WeldingMonths − Maintenance & TroubleshootingBlowing Out Inside Of Unit Do not remove case when blowing out inside of unitHelp Displays Software problems TroubleshootingIs displayed OM-224 043 − Electrical Diagram Unit Outer Assembly − Parts ListDia Part Description Quantity Mkgs Unit Main Assembly CR5,6,R1 Page Effective January 1 ITW Welding Products Italy S.r.l. Via Privata Iseo, 6/E Owner’s Record