Miller Electric STi 160 Owner's Manual

Visit our website atwww.MillerWelds.comProcessesDescriptionTIG (GTAW) WeldingStick (SMAW) WeldingOM-250 147B 2011−04Arc Welding Power SourceSi 160, ST

OM-250 147 Page 62-2. Symbols And DefinitionsAAmperes Voltage InputSSuitable For AreasOf IncreasedShock HazardShielded Metal ArcWelding (SMAW)VVoltsIn

OM-250 147 Page 7SECTION 3 − SPECIFICATIONS AND INSTALLATION3-1. Important Information Regarding CE Products (Sold Within The EU)A. Information On Ele

OM-250 147 Page 83-3. SpecificationsModel Input PowerSingle-PhaseACRated WeldingOutputWeldingAmperageRangeMaxOCV DC(Uo)Amperes In-put At RatedLoad Out

OM-250 147 Page 93-5. Volt-Ampere CurvesVolt-ampere curves show minimum andmaximum voltage and amperage outputcapabilities of welding power source.Cur

OM-250 147 Page 103-6. Duty Cycle And OverheatingDuty Cycle is percentage of 10 min-utes that unit can weld at rated loadwithout overheating.If unit o

OM-250 147 Page 113-8. Electrical Service GuideFailure to follow these electrical service guide recommendations could create an electric shock or fire

OM-250 147 Page 123-9. Connecting 1-Phase Input Power For 230 VAC! Installation must meet allNational and Local Codes − haveonly qualified persons mak

OM-250 147 Page 13SECTION 4 − OPERATION! Weld output terminals are energizedwhen power is On and Ready Light(LED) is lit.1 Ready Light (LED)Light com

OM-250 147 Page 144-3. Preparing Unit For Stick Welding (Si Model)! Weld output terminals areenergized when power is On,and Ready Light is lit.1 Pos

OM-250 147 Page 15! Weld output terminals are energizedwhen power is On, and Ready Light islit.1 Ready Light (LED)Light comes on approximately two

Thank you and congratulations on choosing Miller. Now you can get thejob done and get it done right. We know you don’t have time to do it anyother way

OM-250 147 Page 164-5. Preparing Unit For Stick Welding (STi Model)! Weld output terminals are ener-gized when power is On, andReady Light is lit.1 P

OM-250 147 Page 174-6. Preparing Unit For TIG Welding (STi Model)! Weld output terminals are ener-gized when power is On, andReady Light is lit.1 Pos

OM-250 147 Page 18! Weld output terminals are energizedwhen power is On, and Ready Light islit.1 Ready Light (LED)Light comes on approximately two

OM-250 147 Page 194-8. Preparing Unit For Stick Welding (STH Model)! Weld output terminals are ener-gized when power is On, andReady Light is lit.1 P

OM-250 147 Page 204-9. Preparing Unit For TIG Welding (STH Model)1 Positive Weld Output Terminal2 Remote Control Receptacle3 Negative Weld Output Term

OM-250 147 Page 214-10. Gas Connections (STH Models)956142809_3-6_D1 Remove cap, stand to side ofvalve, and open valve slightly.Gas flow blows dust an

OM-250 147 Page 224-11. 2T Or 4T Trigger Mode Settings (STH Models)1 Process/Set-Up SelectorSwitch2 TIG HF Start3 TIG Lift Arc Start Light (LED)4 Rea

OM-250 147 Page 234-12. Sequence Controls And Slope Down Settings (STH Models)Sequencing is only available whileusing a TIG process.Select TIG process

OM-250 147 Page 244-13. Pulser Control Settings (STH Models)Pulsing is only available while usinga TIG process.Select TIG process according toSection

OM-250 147 Page 254-14. Resetting Unit To Factory Default Settings (STi And STH Models). This procedure will delete all operatorspecified parameters,

TABLE OF CONTENTSSECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1...1-1. Symbol Usage 1...

OM-250 147 Page 26SECTION 5 − MAINTENANCE AND TROUBLESHOOTING5-1. Routine Maintenance. Maintain more often during severe conditions.! Disconnect power

OM-250 147 Page 275-3. TroubleshootingTrouble RemedyNo weld output; unit completely inop-erative; ready light (LED) Off.Place line disconnect switch i

OM-250 147 Page 28SECTION 6 − ELECTRICAL DIAGRAMFigure 6-1. Circuit Diagram For Si 160956 142810-A

OM-250 147 Page 29956 142811-BFigure 6-2. Circuit Diagram For STi 160

OM-250 147 Page 30Figure 6-3. Circuit Diagram For STH 160956 142812-C

OM-250 147 Page 31Notes

OM-250 147 Page 32SECTION 7 − PARTS LIST FOR Si MODELS. Hardware is common andnot available unless listed.956 142809_4-6_D2134191817162312141520272126

OM-250 147 Page 33DescriptionPartNo.Dia.Mkgs.ItemNo. Quantity7-1. Main Assembly For Si 160 (Continued)25 156005158 Bracket, pcb assy support 1... ...

OM-250 147 Page 34SECTION 8 − PARTS LIST FOR STi MODELS. Hardware is common andnot available unless listed.956142809_5-6_F1918171623431224262551011136

OM-250 147 Page 35DescriptionPartNo.Dia.Mkgs.ItemNo. Quantity8-1. Main Assembly For STi 160 (Continued)26 PC2 057084160 Circuit Board, Pwm 1... .. ..

DECLARATION OF CONFORMITY for European Community (CE marked) products. ITW Welding Products Italy S.r.l Via Privata Is

OM-250 147 Page 36SECTION 9 − PARTS LIST FOR STH MODELS. Hardware is common andnot available unless listed.956142809_6-6_F3321201527282930252212987651

OM-250 147 Page 37DescriptionPartNo.Dia.Mkgs.ItemNo. QuantityFigure 9-1. Main Assembly For STH 160 (Continued)26 PC2 057084160 Circuit Board, Pwm 1..

Notes

milan_warr 2011−01Effective January 1, 2011(Equipment with a serial number preface of MB or newer)This limited warranty supersedes all previous Miller

ORIGINAL INSTRUCTIONS − PRINTED IN USA  2011 Miller Electric Mfg. Co. 2011−01ITW Welding Products Italy S.r.l.Via Privata Iseo, 6/E20098 San Giuliano

OM-250 147 Page 1SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USINGsom _2010−037Protect yourself and others from injury — read and follow these precau

OM-250 147 Page 2D Keep your head out of the fumes. Do not breathe the fumes.D If inside, ventilate the area and/or use local forced ventilation at th

OM-250 147 Page 31-3. Additional Symbols For Installation, Operation, And MaintenanceFIRE OR EXPLOSION hazard.D Do not install or place unit on, over,

OM-250 147 Page 41-4. California Proposition 65 WarningsWelding or cutting equipment produces fumes or gaseswhich contain chemicals known to the State

OM-250 147 Page 5SECTION 2 − DEFINITIONS2-1. Warning Label Definitions956.142.819-A1 1.122.32.12.233.23.144.15