Miller Spectrum 300 Owner'S Manual Download Page 24 | Manualshive

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OM-2210 Page 20

SECTION 6 − ELECTRICAL DIAGRAM

Figure 6-1. Circuit Diagram For Power Source

SC-189 005

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Summary of Contents for Spectrum 300

Page 1: ...Visit our website at www Miller Welds com Processes Description Air Plasma Cutting Air Plasma Cutter OM 2210 176 876H October 1998 Spectrum 300 R...

Page 2: ...ner s Manual is designed to help you get the most out of your Miller products Please take time to read the Safety precautions They will help you protect yourself against potential hazards on the works...

Page 3: ...ts Connected to a 20 Ampere 115 Volt Circuit or a 10 Ampere 230 Volt Circuit 9 2 2 Specifications For Units Connected to a 30 Ampere 115 Volt Circuit or a 15 Ampere 230 Volt Circuit 9 2 3 Duty Cycle A...

Page 4: ......

Page 5: ...or matches from your person before doing any cutting Touching live electrical parts can cause fatal shocks or severe burns The torch and work circuit are electrically live whenever the output is on Th...

Page 6: ...orm highly toxic and irritating gases D Do not cut on coated metals such as galvanized lead or cadmium plated steel unless the coating is removed from the cutting area the area is well ventilated and...

Page 7: ...park gaps at correct setting and use grounding and shielding to minimize the possibility of interference ARC CUTTING can cause interference D Electromagnetic energy can interfere with sensitive electr...

Page 8: ...magnetic fields is a human health hazard However studies are still going forth and evidence continues to be examined Until the final conclusions of the research are reached you may wish to minimize y...

Page 9: ...ts qui ont d j re u des combustibles D Portez des v tements de protection exempts d huile tels que des gants en cuir une veste r sistante des pantalons sans revers des bottes et un casque D Ne placez...

Page 10: ...ta Sheets MSDS et les instructions du fabricant pour obtenir plus de renseignements sur les m taux couper les enrobages et les nettoyants D Travaillez dans un espace restreint uniquement s il est bien...

Page 11: ...rences avec les quipements de ra dio navigation et de communication les services de s curit et les ordinateurs D Demander seulement des personnes qualifi es familiaris es avec des quipements lectroni...

Page 12: ...urs en cours et les preuves continuent tre examin es En attendant que les conclusions finales de la recherche soient tablies il vous serait souhaitable de r duire votre exposition aux champs lectromag...

Page 13: ...is operated from a 30 ampere 115 volt circuit or a 15 ampere 230 volt circuit a different input power plug must be installed on the power cord See Section 3 4 for instructions NOTE Amperes Input at R...

Page 14: ...es 6 Minutes Welding 4 Minutes Resting Continuous Welding 60 Duty Cycle At 21 Amperes 88 volts dc 100 Duty Cycle At 17 Amperes 87 volts dc 35 duty cycle 60 duty cycle 100 duty cycle For Units Connecte...

Page 15: ...vice to move unit 3 115 Or 230 VAC Receptacle Locate unit near correct input power supply Y Special installation may be required where gasoline or volatile liquids are present see NEC Article 511 or C...

Page 16: ...le Use only clean dry air with 70 to 150 psi 483 to 1034 kPa pressure 3 Air Filter Regulator 4 Gas Air Inlet Opening 5 Hose 6 Teflon Tape Obtain hose with 1 4 NPT right hand thread fitting Wrap thread...

Page 17: ...operly sized plug installed and the circuit must be protected by properly sized fuses or cir cuit breakers Connect plug to proper receptacle Be sure receptacle can handle load Tools Needed Rear Of Uni...

Page 18: ...out put and or the cut time or find more ade quate power see Section 3 3 2 Trouble Lights See Section 5 2 3 Ready Light Use light to tell if unit is ready for operation Ready light comes on when Powe...

Page 19: ...8 B Turn On Power Source Put On Personal Safety Equipment The pilot arc starts immediately when trigger is pressed Place torch tip on edge of metal Do not clean torch by hitting it against a hard surf...

Page 20: ...ten during severe conditions Each Use Check Gas Air Pressure Check Torch Tip Electrode And Shield Cup Every Week Check Shield Cup Shutdown System 3 Months Replace Damaged Or Unreadable Labels Service...

Page 21: ...utdown is activated Check shield cup shutdown sys tem once a week 3 Temperature Light Lights if power source overheats see Section 2 3 4 Torch Shield Cup Turn Power On and loosen shield cup If shutdow...

Page 22: ...gas valve 5 Plug PLG18 6 Safety Control Board PC2 7 Receptacle RC18 Connect PLG18 to RC18 Route leads along existing lead bundle 8 Female Friction Terminals 9 Male Friction Terminal 10 Power Control B...

Page 23: ...s air system for leaks No cutting output Power light on Ready light off Trouble lights off fan motor FM running Reset Power switch Have Factory Authorized Service Agent check safety control board PC2...

Page 24: ...OM 2210 Page 20 SECTION 6 ELECTRICAL DIAGRAM Figure 6 1 Circuit Diagram For Power Source SC 189 005...

Page 25: ...OM 2210 Page 21 Notes...

Page 26: ...OM 2210 Page 22 SECTION 7 PARTS LIST Figure 7 1 Main Assembly ST 801 412 D 1 2 4 5 6 7 8 9 10 11 3 12 13 14 16 17 18 19 20 21 22 23 15 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39...

Page 27: ...NG pneumatic 250 OD x 170 ID x 13 500 1 17 176 122 FITTING plstc Qdisc straight 1 8NPT x 1 4 OD 1 18 174 670 SWITCH pressure air 40PSI fixed 1 19 602 965 FITTING pipe brs tee 1 8NPT 1 20 073 655 FITTI...

Page 28: ...2 182 486 THERMISTOR PTC 8A 250V 1 178 956 MAGNET adhesive mounted 1 C1 2 178 981 CAPACITOR 1 183 805 LABEL warning precautionary 1 179 190 LABEL warning electric shock 1 PLG20 167 640 CONNECTOR SOCKE...

Page 29: ...OM 2210 Page 25 Notes...

Page 30: ...OM 2210 Page 26 Notes...

Page 31: ...ered by the manufacturer s warranty if any 2 Consumable components such as contact tips cutting nozzles contactors brushes slip rings relays or parts that fail due to normal wear 3 Equipment that has...

Page 32: ...ss City State Zip Please complete and retain with your personal records Always provide Model Name and Serial Style Number Contact your Distributor for To locate distributor nearest you call 1 800 4 A...

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