Miller Electric Spectrum 1250 Owner'S Manual Download Page 1

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Processes

Description

Air Plasma Cutting
and Gouging

Air Plasma Cutter

OM-217

168 808F

October 1998

Spectrum 1000 And 1250

Summary of Contents for Spectrum 1250

Page 1: ...Visit our website at www MillerWelds com Processes Description Air Plasma Cutting and Gouging Air Plasma Cutter OM 217 168 808F October 1998 Spectrum 1000 And 1250 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: ...SECTION 3 INSTALLATION 12 3 1 Specifications 12 3 2 Duty Cycle And Overheating 13 3 3 Cutting Speed 13 3 4 Selecting A Location 14 3 5 Dimensions And Weight 15 3 6 Tipping 15 3 7 Connecting Work Clamp...

Page 4: ...Directives 89 336 EEC 92 31 EEC Standards Arc Welding Equipment Plasma Cutting Systems prEN 50192 1995 Safety Requirements for Arc Welding Equipment part 1 EN 60974 1 1990 Arc Welding Equipment Part 1...

Page 5: ...o not cut pressurized cylinders pipes or vessels D Do not cut containers that have held combustibles D Wear oil free protective garments such as leather gloves heavy shirt cuffless trousers high shoes...

Page 6: ...D Read the Material Safety Data Sheets MSDSs and the manufac turer s instruction for metals to be cut coatings and cleaners D Work in a confined space only if it is well ventilated or while wearing an...

Page 7: ...ot overload building wiring be sure power supply system is properly sized rated and protected to handle this unit STATIC ESD can damage PC boards D Put on grounded wrist strap BEFORE handling boards o...

Page 8: ...0018 Cutting And Welding Processes NFPA Standard 51B from National Fire Protection Association Batterymarch Park Quincy MA 02269 1 5 EMF Information Considerations About Welding Or Cutting And The Eff...

Page 9: ...nts 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 cas que D Ne place...

Page 10: ...a 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: ...f 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 lectron...

Page 12: ...sont complexes Cette d marche scientifique ne nous permet pas d tablirun tableau d ensemble coh rent Pire encore elle ne nous per met pas de tirer des conclusions finales concernant les risques ventu...

Page 13: ...3 1 Wear dry insulating gloves Do not wear wet or damaged gloves 3 2 Protect yourself from electric shock by insulating yourself from work and ground 3 3 Disconnect input plug or power before working...

Page 14: ...inside labels for connection points and procedures 3 Move jumper links as shown on inside label to match voltage at job site 4 Having a loop of extra length connect grounding conductor first 5 Connec...

Page 15: ...n 3 4 S 174 462 A 3 EN 60974 1 X 80 100 30A 120V 100A 120V U0 270V I2 100A 80A U2 120V 120V 78A 64A IP 21S 50 Hz U1 V 220V I1 45A 37A 380V 41A 34A 415V 3 S 174 463 A 3 EN 60974 1 X 100 30A 120V 70A 12...

Page 16: ...ifier IP Degree Of Protection Loose Shield Cup Torch Tip To Electrode Short Hz Hertz Air Gas Pressure Adjustment Work Low Air Pressure Light Nitrogen Gas Input Connection Adjust Air Gas Pressure SECTI...

Page 17: ...duce amperage or duty cycle before cutting or gouging Y Exceeding duty cycle can damage unit and void warranty 70 Ampere Models 100 Duty Cycle At 70 Amperes Overheating 0 15 duty1 4 95 Ref ST 159 463...

Page 18: ...opposite side of unit 6 Rating Label Non CE Models Only 7 Rating Label CE Models Only See Section 2 2 Use rating label to determine input power needs 8 Plate Label CE Models Only 9 Line Disconnect De...

Page 19: ...C Length 20 in 508 mm C A 22 1 16 in 560 mm B 21 1 32 in 210 mm D C 1 1 32 in 26 mm E D 18 13 16 in 478 mm E 17 11 16 449 mm F 5 5 8 143 mm F G 1 1 8 29 mm H ST 159 464 B G Bottom Front H 7 16 in 11 m...

Page 20: ...lose to cutting area as possible Use only clean dry air or nitro gen gas Do not use any other gas or combination of gases 2 Air Filter Regulator 3 Gas Air Inlet Opening 4 Hose 5 Teflon Tape Obtain hos...

Page 21: ...l Connections 4 Jumper Link For remote output control remove jumper link between terminals 9 and 10 and reinstall between termi nals 8 and 9 as shown This dis ables front panel Output Control and enab...

Page 22: ...212 65 389 119 413 126 Min Grounding Conductor Size In AWG Kcmil 8 10 10 6 6 10 10 Reference 1993 National Electrical Code NEC S 0092 J 50 Hertz Models 70 Ampere Model 100 Ampere Model Input Voltage 2...

Page 23: ...ze of overcurrent protection using Section 3 9 Reinstall side panel Y Special installation may be required where gasoline or volatile liquids are present see NEC Article 511 or CEC Section 20 Tools Ne...

Page 24: ...ction 5 3 7 Trigger Hold Switch To cut without holding torch trigger place switch up and begin cutting by pressing and releasing torch trigger To stop cutting press and release trigger When set in dow...

Page 25: ...itions Each Use Check Torch Tip Electrode And Shield Cup Check Gas Air Pressure Every Week Check Shield Cup Shutdown System 3 Months Service Air Filter Regulator Replace Unreadable Labels Clean And Ti...

Page 26: ...mer Control Board PC1 3 PC1 Fuse F1 4 PC1 Fuse F2 5 PC1 Fuse F4 6 Isolator Filter Board PC5 7 PC5 Fuse F1 Fuses on PC1 and PC5 protect the circuit boards from overload If any fuse opens Ready light go...

Page 27: ...wn system once a week as shown 2 Torch To Tip Short Light Lights if a short exists between tip and electrode Check tip and elec trode see torch Owner s Manual 3 Temperature Light Lights if power sourc...

Page 28: ...n or dress tungsten 2 Spark Gap Normal spark gap is 0 030 in 0 762 mm If adjustment is needed proceed as follows 3 Adjustment Screw Loosen screw Place gauge of proper thickness in spark gap 4 Pressure...

Page 29: ...erminal Strip 1T 8 Connection Label 9 Torch Switch Leads For hand held torches refer to label to connect leads Reinstall side panel 10 Nut 11 Hose Clamp For machine held torches tighten nut and clamp...

Page 30: ...on timer control board PC1 and isolator filter board PC5 see Section 5 2 Check for proper torch connections see torch Owner s Manual No gas air flow Power light on Ready light off Trouble lights off...

Page 31: ...k for sufficient gas air supply pressure and correct gas air pressure adjustment see Section 4 1 Have Factory Authorized Service Agent check reed switch RS1 high air solenoid AS2 and air circuitry Fan...

Page 32: ...OM 217 Page 28 SECTION 6 ELECTRICAL DIAGRAMS Figure 6 1 Circuit Diagram For 60 Hertz Power Sources SC 183 062 A...

Page 33: ...OM 217 Page 29 Figure 6 2 Circuit Diagram For 50 Hertz Power Sources SC 176 919 A...

Page 34: ...ces Of High Frequency Radiation From Incorrect Installation 50 ft 15 m S 0754 Sources Of Direct High Frequency Radiation 1 High FrequencySource Plasma Arc Cutting Power Source 2 Cables 3 Torch 4 Work...

Page 35: ...d water pipes every 50 ft 15 m 7 External Power Or Telephone Lines Locate high frequency source at least 50 ft 15 m away from power and phone lines 8 Grounding Rod Consult the National Electrical Code...

Page 36: ...TS LIST 1 Figure 8 1 Main Assembly ST 800 934 B 3 2 4 5 6 7 8 Fig 8 4 9 10 11 12 13 14 15 16 17 18 19 Fig 8 3 22 21 20 34 33 32 31 30 29 28 27 26 25 23 24 35 36 37 Fig 8 2 38 39 Hardware is common and...

Page 37: ...4 CONNECTOR SOCKETS consisting of 1 113 746 CONNECTOR rect skt 24 18ga 4 15 168 850 FRAME center base 1 16 T2 174 308 TRANSFORMER kVA 1 3 24 24 200 230 460 1 16 T2 174 304 TRANSFORMER kVA 1 3 24 24 23...

Page 38: ...32 161 860 HOSE SAE 250 ID x 500 OD 1 33 161 308 FITTING brs barbed M 1 4tbg x 1 4NPT 059 ID 1 34 132 753 HOSE air 27 in 1 35 168 851 BASE 1 36 Z1 140 118 STABILIZER 1000 models 1 36 Z1 139 709 STABIL...

Page 39: ...s 28V snap mtg 1 7 R1 035 897 POTENTIOMETER CP std slot 1 T 2W 1K linear 1 8 S1 111 997 SWITCH rocker SPST 10A 250VAC 1 9 110 375 STAND OFF SUPPORT PC card No 6 screw 16 10 PC1 188 870 CIRCUIT CARD co...

Page 40: ...113 746 CONNECTOR rect skt 24 18ga Molex 39 00 0038 2 PLG12 115 092 CONNECTOR SOCKETS consisting of 1 113 746 CONNECTOR rect skt 24 18ga Molex 39 00 0038 8 PLG13 115 093 CONNECTOR SOCKETS consisting...

Page 41: ...0 160psi 1 4NPT 1 12 188 962 HOSE vinyl braided 125 ID x 312 OD 1 13 015 733 FITTING pipe brs nipple L 1 4NPT x 2 000 1 14 602 963 FITTING pipe brs coupling 1 4NPT 1 15 044 426 CONNECTOR clamp cable...

Page 42: ...ng 2 13 T4 162 884 COIL HF coupling 1 14 C3 16 096 761 CAPACITOR mica 002uf 10000V 2 15 010 886 STRIP conductor 2 16 T3 074 398 TRANSFORMER high voltage 115V pri 3600V sec 30mA 1 17 103 947 TUBING stl...

Page 43: ...OM 217 Page 39 Notes...

Page 44: ...OM 217 Page 40 Notes...

Page 45: ...OM 217 Page 41 Notes...

Page 46: ...OM 217 Page 42 Notes...

Page 47: ...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 48: ...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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