Miller Electric Subarc DC 650 Owner'S Manual Download Page 1

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Processes

Description

Multiprocess Welding

Arc Welding Power Source

OM-236 684D

2008

−

Subarc DC 650/800

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www.MillerWelds.com

File: Submerged (SAW)

Submerged (SAW) Welding

Summary of Contents for Subarc DC 650

Page 1: ...Processes Description Multiprocess Welding Arc Welding Power Source OM 236 684D 2008 08 Subarc DC 650 800 Visit our website at www MillerWelds com File Submerged SAW Submerged SAW Welding...

Page 2: ...tinue the tradition They re just as committed to providing equipment and service that meets the high standards of quality and value established in 1929 This Owner s Manual is designed to help you get...

Page 3: ...late Safety Symbols 12 3 5 Symbols And Definitions 13 SECTION 4 INSTALLATION 14 4 1 Specifications 14 4 2 Duty Cycle And Overheating 14 4 3 Volt Ampere Curves 15 4 4 Selecting A Location 16 4 5 Dimens...

Page 4: ...t Subarc DC 800 conforms to the following Directives and Standards Directives Electromagnetic compatibility Directives 89 336 EEC 92 31 EEC Low Voltage Directive 73 23 EEC Machinery Directives 89 392...

Page 5: ...cramped positions such as sitting kneeling or lying or when there is a high risk of unavoid able or accidental contact with the workpiece or ground For these conditions use the following equipment in...

Page 6: ...s they are properly prepared according to AWS F4 1 see Safety Standards D Do not weld where the atmosphere may contain flammable dust gas or liquid vapors such as gasoline D Connect work cable to the...

Page 7: ...ans D Keep all doors panels covers and guards closed and securely in place D Have only qualified persons remove doors panels covers or guards for maintenance as necessary D Reinstall doors panels cove...

Page 8: ...York NY 10036 8002 phone 212 642 4900 website www ansi org Standard for Fire Prevention During Welding Cutting and Other Hot Work NFPA Standard 51B from National Fire Protection Association P O Box 91...

Page 9: ...source lectrique courant lectrique s av re n cessaire se servir de la fonction de t l commande si l appareil en est quip D D autres consignes de s curit sont n cessaires dans les condi tions suivantes...

Page 10: ...de protection Le soudage effectu sur des conteneurs ferm s tel que des r servoirs tambours ou des conduites peu provoquer leur clatement Des tincelles peuven tre projet es de l arc de soudure La proje...

Page 11: ...e pour usage ult rieur D Utiliser les quipements corrects les bonnes proc dures et suffi samment de personnes pour soulever et d placer les bouteilles D Lire et suivre les instructions sur les bouteil...

Page 12: ...de provoquer des interf rences D L nergie lectromagn tique risque de provo quer des interf rences pour l quipement lec tronique sensible tel que les ordinateurs et l quipement command par ordinateur t...

Page 13: ...O Box 371954 Pittsburgh PA 15250 7954 t l phone 1 866 512 1800 il y a 10 bureaux r gionaux le t l pho ne de la r gion 5 Chicago est 312 353 2220 site Internet www osha gov 2 6 Information EMF Consid r...

Page 14: ...OM 236 684 Page 10...

Page 15: ...ur head out of the fumes 2 2 Use forced ventilation or local exhaust to remove the fumes 2 3 Use ventilating fan to remove fumes 3 Welding sparks can cause explosion or fire 3 1 Keep flammables away f...

Page 16: ...ide label double check all connections jumper link positions and input voltage before applying power S 179 290 1 4 5 3 2 V A V 3 1 96 1 2 3 4 5 6 8 7 9 3 3 Electric Shock And Airflow Label S 179 563 1...

Page 17: ...e Low In ductance Weld Output Terminal Negative Weld Output Terminal Input On Off Percent Direct Current U0 Rated No Load Voltage Average U1 Primary Voltage U2 Conventional Load Voltage Line Connectio...

Page 18: ...4 1 4 50 1 52 34 8 0 76 10 65 V In CV Mode 70 66 VDC In CV Mode While idling Indicates specification differences for CE models 4 2 Duty Cycle And Overheating Duty Cycle is percentage of 10 min utes t...

Page 19: ...e Curves Volt ampere curves show mini mum and maximum voltage and amperage output capabilities of unit Curves of other settings fall be tween curves shown High inductance connection A CC Mode B CV Mod...

Page 20: ...ermine input power needs Label located under front access door 4 Rating Label Typical CE Models Only Use rating label to determine input power needs Label located on rear access door 5 Line Disconnect...

Page 21: ...801 530 Front Dimensions A 30 in 762 mm Including lift eye B 23 in 584 mm C 38 in 965 mm Including strain relief D 35 in 889 mm E 1 1 4 in 32 mm F 21 1 8 in 537 mm G 1 1 8 in 29 mm H 7 16 in 11 mm Dia...

Page 22: ...4 volts ac portion of RC8 and Remote Power On Off from overload Press button to reset protector Ref 800 166 C 3 1 2 4 8 Weld Output Terminals Turn Off power before connectingto weld output ter minals...

Page 23: ...0 3 0 4 0 2 2 0 2 3 0 2 3 0 2 4 0 400 1 0 2 0 3 0 4 0 2 2 0 2 3 0 2 4 0 2 4 0 500 2 0 3 0 4 0 2 2 0 2 3 0 2 4 0 3 3 0 3 3 0 600 3 0 4 0 2 2 0 2 3 0 2 4 0 3 3 0 3 4 0 3 4 0 700 4 0 2 2 0 2 3 0 2 4 0 3...

Page 24: ...lt age sense wire is 12 gauge or larger For better performance for most Sub Arc SAW applica tions make connections to the high inductance weld output terminal Polarity For DCEP Reverse Polarity connec...

Page 25: ...emote control Turn on welding power source flux system wire drive assembly and HDC Sub Arc controller When Control switch is in Remote position Adjust control does not function Set desired preset volt...

Page 26: ...nse leads detect arc voltage ac curately Best starts arcs and most reliable results BAD Sense lead is affected by weld current Due to voltage drops across work piece arc voltage may be low causing nee...

Page 27: ...g need for deviation from standard procedures BAD Current flow from lead affects trail sense Current flow from trail affects lead sense Neither sense lead picks up the correct work voltage causing sta...

Page 28: ...onnections For better performance for most gas shielded FCAW DCEP applications it is recommended that weld output connections be made to the Low Inductance weld output ter minal Make connections as sh...

Page 29: ...10 volts dc input command signal from remote control F Current feedback 1 volt per 100 amperes H Voltage feedback 1 volt per 10 arc volts 115 VOLTS AC I I 115 volts 15 amperes 60 Hz ac Protected by su...

Page 30: ...Off and disconnect in put power before opening terminal strip cover 2 Terminal Strip 1T 3 Remote Control Cord 4 Strain Relief Customer Supplied Secure cord in strain relief Reinstall and secure access...

Page 31: ...e a circuit breaker with time current curves comparable to the recommended fuse 2 Time Delay fuses are UL class RK5 3 Normal Operating general purpose no intentional delay fuses are UL class K5 up to...

Page 32: ...Ground Current Sensor Optional Connect green or green yellow grounding conductor to welding power source groundingterminal first If unit is equipped with optional ground current sensor route grounding...

Page 33: ...ad 0 zero with contactor off Digital me ters will display actual output voltage and amperage with contactor on With Process Selector switch in the Constant Voltage position voltmeter dis plays preset...

Page 34: ...2 Fuse F1 Ref ST 800 101 C Disconnect and lockout tag out input power before checking or changing fuse 1 Fuse F1 See Parts List For Rating Fuse F1 protects control transform er from overload If F1 ope...

Page 35: ...t connections Unit provides only maximum or minimum weld output Have Factory Authorized Service Agent check control board PC1 and hall device HD1 Check position of Remote Amperage Voltage Control swit...

Page 36: ...OM 236 684 Page 32 SECTION 7 ELECTRICAL DIAGRAM Figure 7 1 Circuit Diagram...

Page 37: ...OM 236 684 Page 33 228 467 B...

Page 38: ...34 SECTION 8 PARTS LIST 804 628 A Figure 8 1 Main Assembly 650 Model Illustrated Hardware is common and not available unless listed 30 29 22 28 27 24 23 4 3 22 1 21 20 19 18 17 14 16 15 13 12 11 10 9...

Page 39: ...18 Fig 8 4 PANEL rear w components 1 19 F1 156 065 FUSE crtg 5A 600V time delay 1 20 W 160 794 CONTACTOR def prp 75A 3P 24VAC 1 21 CR4 140 750 SWITCH reed 1 22 217 136 LABEL warning electric shock 2 2...

Page 40: ...UIT CARD control 50Hz 1 PLG1 158 720 CONNECTOR SOCKETS see Fig 8 3 PLG3 169 240 CONNECTOR SOCKETS 1 PLG4 148 439 CONNECTOR SOCKETS 1 PLG5 152 249 CONNECTOR SOCKETS 1 PLG16 158 719 CONNECTOR SOCKETS 1...

Page 41: ...218 ID brs 1 27 038 887 STUD pri bd brs 10 32 x 1 375 1 28 CR2 116 592 RELAY encl 24VDC 3PDT 1 29 PC2 232 116 CIRCUIT CARD ASSY display w program 1 PLG10 153 501 CONNECTOR SOCKETS 1 PLG11 148 439 CON...

Page 42: ...091 THYRISTOR SCR 865A 300V hockey puck 6 6 166 667 CLAMP spring thyristor rectifier 5 500 3 PLG1 158 720 CONNECTOR SOCKETS 1 TP3 192 673 THERMOSTAT rectifier 1 TP6 192 674 THERMOSTAT rectifier 1 802...

Page 43: ...NNECTOR clamp cable 1 250 1 8 602 177 SCREW set 250 20 x 250knrlpt sch stl 2 10 124 274 BRACKET mtg fan motor 1 11 R3 097 459 RESISTOR WW fxd 375W 20 ohm 1 12 FM 237 398 MOTOR 1 12HP 230V 1550 RPM 50...

Page 44: ...Notes...

Page 45: ...Notes...

Page 46: ...Notes Work like a Pro Pros weld and cut safely Read the safety rules at the beginning of this manual...

Page 47: ...ns and Subarc SAW Guns Induction Heating Coils and Blankets Cables and Non Electronic Controls APT SAF Model Plasma Cutting Torches Remote Controls Accessory Kits Replacement Parts No labor Spoolmate...

Page 48: ...retain with your personal records Always provide Model Name and Serial Style Number Contact a DISTRIBUTOR or SERVICE AGENCY near you Welding Supplies and Consumables Options and Accessories Personal...

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