Miller Electric Big 40 CAT manual Connecting To Weld Output Terminals, Selecting Weld Cable Sizes

Page 34
S-0007-E−

5-8. Connecting To Weld Output Terminals

Tools Needed:

3/4 in

1

802 311

2

 

YStop engine.

1Positive (+) Weld Output Terminal

2Negative (−) Weld Output Terminal

Stick and TIG Welding

For Stick and TIG welding Direct Current Elec- trode Positive (DCEP), connect electrode holder cable to Positive (+) terminal on left and work cable to Negative (−) terminal on right.

For Direct Current Electrode Negative (DCEN), reverse cable connections.

If equipped with optional Polarity switch or op- tional Polarity/AC switch, connect electrode holder cable to Electrode (+) terminal on left and work cable to Work (−) terminal on right.

MIG and FCAW Welding

For MIG and FCAW welding Direct Current Electrode Positive (DCEP) on CC/CV models, connect wire feeder cable to Positive (+) termi- nal on left and work cable to Negative (−) ter- minal on right. Use Process/Contactor switch to select type of weld output (see Section 7-3).

For Direct Current Electrode Negative (DCEN), reverse cable connections.

If equipped with optional Polarity switch or op- tional Polarity/AC switch, connect wire feeder cable to Electrode (+) terminal on left and work cable to Work (−) terminal on right.

5-9. Selecting Weld Cable Sizes*

 

 

 

 

 

Weld Cable Size** and Total Cable (Copper) Length in Weld Circuit

 

 

 

 

 

 

 

 

 

 

 

 

Not Exceeding***

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100 ft (30 m) or Less

150 ft

200 ft

250 ft

300 ft

 

350 ft

400 ft

 

 

 

 

 

(45 m)

(60 m)

(70 m)

(90 m)

 

(105 m)

(120 m)

 

Weld Output

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Terminals

 

 

 

 

 

 

 

 

 

 

Y Stop engine before

Welding

10 − 60%

60 − 100%

 

 

 

 

 

 

 

connecting to weld out-

Duty

Duty

 

10 − 100% Duty Cycle

 

 

put terminals.

Amperes

 

 

 

Cycle

Cycle

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YDo not use worn, dam- aged, undersized, or poorly spliced cables.

100

4 (20)

4 (20)

4 (20)

3 (30)

2 (35)

1 (50)

1/0 (60)

1/0 (60)

 

 

 

 

 

 

 

 

 

 

150

3 (30)

3 (30)

2 (35)

1 (50)

1/0 (60)

2/0 (70)

3/0 (95)

3/0 (95)

 

 

 

 

 

 

 

 

 

 

200

3 (30)

2 (35)

1 (50)

1/0 (60)

2/0 (70)

3/0 (95)

4/0 (120)

4/0 (120)

 

 

 

 

 

 

 

 

 

 

250

2 (35)

1 (50)

1/0 (60)

2/0 (70)

3/0 (95)

4/0 (120)

2 ea. 2/0

2 ea. 2/0

(2x70)

(2x70)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

300

1 (50)

1/0 (60)

2/0 (70)

3/0 (95)

4/0 (120)

2 ea. 2/0

2 ea. 3/0

2 ea. 3/0

(2x70)

(2x95)

(2x95)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

350

1/0 (60)

2/0 (70)

3/0 (95)

4/0 (120)

2 ea. 2/0

2 ea. 3/0

2 ea. 3/0

2 ea. 4/0

(2x70)

(2x95)

(2x95)

(2x120)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

400

1/0 (60)

2/0 (70)

3/0 (95)

4/0 (120)

2 ea. 2/0

2 ea. 3/0

2 ea. 4/0

2 ea. 4/0

(2x70)

(2x95)

(2x120)

(2x120)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

500

2/0 (70)

3/0 (95)

4/0 (120)

2 ea. 2/0

2 ea. 3/0

2 ea. 4/0

3 ea. 3/0

3 ea. 3/0

(2x70)

(2x95)

(2x120)

(3x95)

(3x95)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*This chart is a general guideline and may not suit all applications. If cable overheating occurs (normally you can smell it), use next size larger cable.

**Weld cable size (AWG) is based on either a 4 volts or less drop or a current density of at least 300 circular mils per ampere. ( ) = mm2 for metric use

***For distances longer than those shown in this guide, call a factory applications representative at 920-735-4505.

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Contents Processes OM-4406Description From Miller to You Table of Contents − Maintenance & Troubleshooting Standards DirectivesDeccon111/02 Sound Level Information Deccon1sound11/02Symbol Usage Arc Welding HazardsEngine Hazards Compressed Air Hazards EMF Information Principal Safety StandardsCalifornia Proposition 65 Warnings Radiation can cause interferenceUN Choc Électrique peut tuer Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation LES Fumées ET LES GAZ peuvent être dangereuxDES Pièces Chaudes peuvent provoquer des brûlures graves LE Soudage peut provoquer un in- cendie ou une explosionDES Particules Volantes peuvent blesser les yeux LE Bruit peut affecter l’ouïeLA Chaleur DU Moteur peut pro- voquer un incendie ’EXPLOSION DE LA Batterie peutDES Organes Mobiles peuvent provoquer des blessures ’AIR Comprimé peut provoquer des blessuresPrincipales normes de sécurité Information sur les champs électromagnétiques− Definitions + − Starting InstructionsFalling equipment can cause Are possible hazards asCan cause severe burns. Do Serious injury and damageReturn To Table Of Contents Std Manufacturer’s Rating Labels For CE Products− 50 h Std CC Models CC/CV ModelsSymbols And Definitions Weld, Power, And Engine Specifications − SpecificationsDimensions, Weights, And Operating Angles Volt-Ampere Curves For CC Models TIG Mode Stick ModeMIG Mode Volt-Ampere Curves For CC/CV ModelsFuel Consumption Duty Cycle And Overheating12 kVA/kW Single-Phase AC Output No Weld Load AC Generator Power CurveOptional Three-Phase Generator Curves 15 kVA/kW Three-Phase AC Output No Weld LoadVolt-Ampere Curve For CC/CV Models In AC TIG Mode Location Grounding − InstallationInstalling Welding Generator See Sections 5-2And Airflow ClearanceUsing Lifting Eye Mounting Surface Mounting Welding GeneratorSupporting The Unit To Bolt Unit In PlaceStop engine and let cool Installing Exhaust PipeTools Needed 1/2 Point exhaust pipe in desired diRead and follow all instruc Activating The Dry Charge Battery If ApplicableDo not overfill battery cells ChargerReinstall cover after connecting battery Connecting The BatteryConnect Negative − Cable Last Coolant Recovery Tank Engine Prestart ChecksConnecting To Weld Output Terminals Selecting Weld Cable SizesConnecting To Remote 14 Receptacle RC14 On CC/CV Models Socket− Operating Welding Generator − CC Models Front Panel Controls For CC Models See SectionEngine Starting Controls Engine Indicator LightsDo not switch under load To Start Do not use etherExample Remote Amperage Control On CC Models OptionalWeld Control/Arc Condition Information Label Set weld controls as shown toReturn To Table Of Contents − Operating Welding Generator − CC/CV Models Front Panel Controls For CC/CV Models See SectionVoltage/Amperage Adjust Switch And Remote 14 Receptacle Use switch to select weld amperage rangeEngine Oil Pressure Light Process/Contactor Switch On CC/CV Models Process/Contactor Switch SettingsExample Combination Remote Amperage Control Stick Remote Voltage/Amperage Control On CC/CV Models OptionalExample Combination Remote Amperage Control TIG At least once a month, run en − Operating Auxiliary EquipmentVolt And 240 Volt Receptacles Open, contact Factory AuthoRear Of Panel Three-Phase Power ConnectionClose panel opening if no connections are made to generator 240 V 15 a AC South African Receptacle RC1 Optional Generator Power ReceptaclesCircuit Breaker CB2 Circuit Breaker CB3 − Maintenance & Troubleshooting Maintenance LabelEvery 50 h Routine MaintenanceEvery 8 h Every 100 hEvery 2000 h ServiceEvery 1000 h Caterpillar Customer AssistanceTo clean air filter Servicing Air CleanerBy the warranty Do not clean housing with air hoseStop engine and let cool. Reinstall cleanout plug Inspecting And Cleaning Optional Spark Arrestor MufflerTools Needed 3/8 Weld/Power Speed Adjustment Adjusting Engine SpeedIdle Speed Adjustment Engine Speed No LoadServicing Fuel And Lubrication Systems Overload Protection Diagnostic Checks While Running Diagnosing Causes Of Engine Fault ShutdownsPre-Start Diagnostic Checks Start Engine With No Load AppliedTroubleshooting Welding − CC ModelsWelding − CC/CV Models Optional Three-Phase Generator Power CC/CV Models Standard Generator PowerEngine Temperature is too high see Sections 5-7and Wiring harness and componentsShutdown switch is released Out Air in fuel system. See engine manual− Electrical Diagrams Circuit Diagram For CC Welding Generator215 296-B Circuit Diagram For CC/CV Welding Generator 215 297-B Wetstacking − RUN-IN ProcedureWelding Generator Stop engine Do not touch hot exhaust Run-In Procedure Using Load BankProcedure at less than From flammables Do not PerformFrom flammables Run-In Procedure Using Resistance GridBank/grid Do not perform run-inSelecting Equipment − Generator Power GuidelinesHas this symbol Grounding Generator To Truck Or Trailer FrameEarth ground if supplying Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Use ground device as stated Electrical codesIndustrial Motors Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Farm/Home Equipment Rating Starting Watts Running WattsApproximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running WattsSingle-Phase Induction Motor Starting Requirements Power Required To Start MotorHow Much Power Can Generator Supply? KVA/HP x HP x 1000 = Starting AmperageTypical Connections To Supply Standby Power Selecting Extension Cord Use Shortest Cord Possible Current Load Watts Amperes117 116 103 102 115 FIG 114 105 104 101 120 − Parts List113 108 100 CC only 119 110 109 111 -4 or 51 52 85 FigDia Part Description Quantity Dia Part Description Quantity Mkgs 095 Control Box Assembly − CC Models Control Box Assembly − CC/CV Models Control Box Assembly − CC/CV Models -1Item Panel, Front w/Components − CC Models MS1 Panel, Front w/Components − CC/CV Models Panel, Front w/Components − CC/CV Models -1ItemPC6 192 PLG6 Hardware is common Not available unless listed 34 36 27 26Main Rectifier Assembly -1Item Main Rectifier Assembly Page Your distributor also gives SupportYour distributor and/or equipment manufacturer’s Miller Electric Mfg. CoFor assistance in filing or settling claims, contact Transportation Department
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