Miller Electric TM-353E manual Electrical Diagrams

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SECTION 9 – ELECTRICAL DIAGRAMS

.The circuits in this manual can be used for troubleshooting, but there might be minor circuit differences from your machine. Use circuit inside machine case or contact distributor for more information.

The following is a list of all diagrams for models covered by this manual.

Model	Serial Or Style Number	Circuit Diagram	Wiring Diagram

Syncrowave 250	JJ339876 thru JJ351864	SC-114 914	D-116 884-B♦♦

	JJ351865 thru JJ365633	SC-120 877	D-120 878-B♦♦

	JJ365634 thru JJ503983	SC-121 280	D-121 281-D♦♦

	JJ503984 thru JK572897	SC-124 314	D-124 307-C♦♦

	JK572898 thru JK617846	SC-124 785-B	D-124 786-B♦♦

	JK617847 thru JK682713	SC-124 785-B	D-129 200-B♦♦

	JK682714 thru JK690986	SC-124 785-B	D-130 576-B♦♦

	JK690987 thru KA806712	SC-132 697-A	D-132 431-D♦♦

	KA806713 thru KA877024	SC-137 431	D-137 430-A♦♦

	KA877025 thru KB010829	SC-135 581	D-135 734-A♦♦

	KB010830 thru KB110694	SC-142 524	D-142 525-A♦♦

	KB110695 thru KC252675	SC-148 144	D-148 145-A♦♦

	KC252676 thru KG029204	SC-154 649-C	D-154 648-E♦♦

	KG029205 thru KG062109	SC-178 835	D-174 039-A♦♦

	KG062110 thru KG170300	SC-179 303-A	D-179 305-A♦♦

	KG170301 thru KH526230	SC-181 109-E	SD-181 110-F♦♦

	KH526231 and following	SC-188 161-A	SD-188162-A

Circuit Board PC1

JJ339876 thru JJ399987	D-118 765♦♦

JJ399988 thru JK682713	D-122 270♦♦

JK682714 thru KA797306	D-130 691-A♦♦

KA797307 thru KG062109	D-135 253♦♦

KG062110 thru KH508254	SD-178 975♦♦

KH508255 and following	SD-187644

RFC Circuit Board PC2

JJ365634 thru KB010829

SA-121 282

Remote 14 Filter Board PC2

KF959379 and following

SA-158 763

Circuit Board PC3♦

JJ351865 and following

SA-120 872

Timer TD1

JJ339876 and following

SA-044 725-C

Timer TD3♦

JJ339876 and following

SA-045 288-D

♦Optional

♦♦Not included in this manual

Syncrowave 250

TM-353 Page 41

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Contents SyncrowaveR Table of Contents Declaration of Conformity For European Community CE Products Page Symbol Usage Safety Precautions for ServicingMarks a special safety message Servicing HazardsAbout Pacemakers EMF InformationDefinitions + + +Rating Label For CE Products ISO/IECSome symbols are found only on CE products Symbols And DefinitionsSpecifications InstallationVolt-Ampere Curves 220 230 260 380 415 460Duty Cycle And Overheating 60% Duty Cycle At 200 AmperesOverheating Dimensions And Weights Selecting a LocationMovement Location And Airflow Tipping Be careful when placing or moving unit over uneven surfacesWeld Output Terminals And Selecting Cable Sizes ARC Welding can cause Electromagnetic InterferenceRemote 14 Receptacle Turn Off power before connecting to receptacleVolts AC Duplex Receptacle And Shielding Gas Connections SocketAll values calculated at 60% duty cycle Electrical Service GuideCheck label inside your unit- only one label is on unit Placing Jumper Links And Connecting Input PowerControls OperationMeters Output Selector SwitchCrater Time Controls Spot Time ControlsApplication Setting Output Waveforms AC Balance ControlBalance Control AC Gtaw Output Contactor Control Switch Amperage Adjustment ControlsArc Controls Postflow Time ControlFor AC And DC Smaw Welding Preflow Time Control Optional High Frequency ControlsSCR Theory of OperationHD1 Troubleshooting Table TroubleshootingNecessary parts Dition of contacts. Replace CR5 if necessary Contacts. Replace CR2 if necessary Troubleshooting Circuit Diagram For Welding Power Source HD1 location See -1 forV24 D, EGnd Waveforms For SectionAC Output, 100 Amperes, 24 Volts AC Re- sistive Load Control Board PC1 Testing Information Use With Section Reference for gate pulse to SCR4 RC54 Not used Control Board PC1 Test Point ValuesReceptacle Pin Value Remote Board PC2 Testing Information Use With Section RC3 Meter Calibration Input Voltage Labels And Connections Routine Maintenance MaintenanceMonths Circuit Breaker CB1Adjusting Spark Gaps Turn Off power before adjusting spark gapsFuses F1 And F2 Welding Processes Using HF Sources Of HF Radiation From Incorrect InstallationHigh Frequency HF Correct Installation Model Serial Or Style Number Circuit Diagram Wiring Diagram Electrical DiagramsSC-114 SC-120 SC-121 SC-124 SC-124 785-B SC-132 697-A SC-137 SC-135 SC-142 SC-148 SC-154 649-C SC-178 SC-179 303-A SC-181 109-E SC-188 161-A Syncrowave TM-353 TM-353 SD-188 162-A TM-353 SD-187 644 1 TM-353 SD-187 644 2 SA-121 SA-044 725-C TM-353 Description Main Assembly Parts ListPLG51 114 BASE, Prior to KE727074 170 Panel, Front w/Components Panel, Front w/ Components Rectifier, Si Diode -1 Item Panel, Mtg Components -1 Item Control Panel, Lower Front 126 Capacitor ASSEMBLY, Eff w/JK537589 thru JK690986 C14 124 COIL, HF coupling Eff w/JK572898 thru KF959378 174 Optional Equipment Page Miller