Miller SRH-444 Mode D'emploi
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Miller SRH-444 Mode D'emploi

Miller SRH-444 Mode D'emploi

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Arc Welding Power Source
SRH-444
OM-2230
199 954N
August 2005
Processes
Stick (SMAW) Welding
Air Plasma Cutting
and Gouging
Air Carbon Arc (CAC-A)
Cutting and Gouging
Description
File: Stick (SMAW)

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  • Page 1 OM-2230 199 954N August 2005 Processes Stick (SMAW) Welding Air Plasma Cutting and Gouging Air Carbon Arc (CAC-A) Cutting and Gouging Description Arc Welding Power Source SRH-444 File: Stick (SMAW) Visit our website at www.MillerWelds.com...
  • Page 2 We know you don’t have time to do it any other way. That’s why when Niels Miller first started building arc welders in 1929, he made sure his products offered long-lasting value and superior quality.

  • Page 3: Table Des Matières

    TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING ........1-1.
  • Page 4 Notes...

  • Page 5: Section 1 − Safety Precautions - Read Before Using

    SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som _3/05 Y Warning: Protect yourself and others from injury — read and follow these precautions. 1-1. Symbol Usage Means Warning! Watch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols.
  • Page 6 ARC RAYS can burn eyes and skin. BUILDUP OF GAS can injure or kill. D Shut off shielding gas supply when not in use. Arc rays from the welding process produce intense visible and invisible (ultraviolet and infrared) rays D Always ventilate confined spaces or use that can burn eyes and skin.

  • Page 7: Additional Symbols For Installation, Operation, And Maintenance

    D Read Owner’s Manual before using or servic- support unit. ing unit. D If using lift forks to move unit, be sure forks are D Use only genuine Miller/Hobart replacement long enough to extend beyond opposite side of parts. unit.

  • Page 8: Principal Safety Standards

    1-5. Principal Safety Standards Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, Boulevard, Rexdale, Ontario, Canada (phone: from Global Engineering Documents (phone: 1-877-413-5184, website: 800−463−6727 or in Toronto 416−747−4044, website: www.csa−in- www.global.ihs.com). ternational.org). Practice For Occupational And Educational Eye And Face Protection, Recommended Safe Practices for the Preparation for Welding and Cut- ANSI Standard Z87.1, from American National Standards Institute, 11 ting of Containers and Piping, American Welding Society Standard...

  • Page 9: Section 2 − Consignes De Sécurité − À Lire Avant Utilisation

    SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION som _3/05 Y Avertissement : se protéger et protéger les autres contre le risque de blessure — lire et respecter ces consignes. 2-1. Symboles utilisés Symbole graphique d’avertissement ! Attention ! Cette pro- cédure comporte des risques possibles ! Les dangers éven- tuels sont représentés par les symboles graphiques joints.
  • Page 10 LES RAYONS D’ARC peuvent entraî- ACCUMULATIONS ner des brûlures aux yeux et à la peau. risquent de provoquer des blessures ou même la mort. Le rayonnement de l’arc du procédé de soudage génère des rayons visibles et invisibles intenses D Fermer l’alimentation du gaz protecteur en cas (ultraviolets et infrarouges) susceptibles de provo- de non-utilisation.
  • Page 11 D Utiliser un équipement de levage de capacité D Utiliser uniquement des pièces de rechange suffisante pour lever l’appareil. Miller/Hobart. D En utilisant des fourches de levage pour déplacer l’unité, s’assu- rer que les fourches sont suffisamment longues pour dépasser du côté...

  • Page 12: Principales Normes De Sécurité

    2-5. Principales normes de sécurité Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, Boulevard, Rexdale, Ontario, Canada M9W 1R3 (téléphone : de Global Engineering Documents (téléphone : 1-877-413-5184, site In- 800-463-6727 ou à Toronto 416-747-4044, site Internet ternet : www.global.ihs.com). www.csa-international.org).

  • Page 13: Section 3 − Definitions

    SECTION 3 − DEFINITIONS 3-1. General Precautionary Label OM-2230 Page 9...

  • Page 14: Input Connection Label

    3-2. Input Connection Label 3-3. Electric Shock And Airflow Label Warning! Watch Out! There are possible hazards as shown by the symbols. Electric shock from wiring and exposed weld terminals can kill. Close door before turning on unit. S-179 563 1/96 OM-2230 Page 10...

  • Page 15: Nameplate Safety Symbols

    3-4. Nameplate Safety Symbols Warning! Watch Out! There are possible hazards as shown by the symbols. Electric shock from welding electrode or wiring can kill. Sparks from arcing electrode can cause explosion or fire − disconnect cable for process not in use. Read Owner’s Manual for connection procedures.

  • Page 16: Section 4 − Installation

    SECTION 4 − INSTALLATION 4-1. Specifications Amperes Input at Rated Load Output, 60 Hz, Three-Phase Rated Welding Rated Welding Amp Range Amp Range Max OCV Max OCV Output 208 V 230 V 460 V 575 V Model IP Rating A (Low) 400 A @ 36 30 −...

  • Page 17: Volt-Ampere Curves

    4-3. Volt-Ampere 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. va_curve1 − 4/95 − 144 521-A 4-4. Selecting A Location Lifting Eye Lifting Forks Use lifting eye or lifting forks to move unit.

  • Page 18: Dimensions And Weights

    4-5. Dimensions And Weights Inches Millimeters 30-1/4 22-1/2 35-3/4 1-1/4 1-1/2 4-1/2 29-3/4 1/2 Dia 13 Dia 6 Holes 6 Holes Weight 755 lb (342 Kg) 800 039 4-6. Tipping Y Be careful when placing or moving unit over uneven surfaces.

  • Page 19: Selecting And Preparing Weld Output Cables

    4-7. Selecting And Preparing Weld Output Cables Weld Output Cable Determine total cable length in weld circuit and maximum welding am- peres. See Section 4-8 to select proper cable size. Use shortest cables possible. Do not use damaged cables. Terminal Lug Use lugs of proper amperage capacity and hole size for connect- ing to work clamp, electrode holder,...

  • Page 20: Connecting Weld Output Cables

    4-9. Connecting Weld Output Cables Do not place anything between weld cable terminal and copper bar. Tools Needed: 3/4 in (19 mm) 803 778-A Correct Installation Incorrect Installation Y Turn off power before connecting to Weld Output Terminal minal. Slide weld cable terminal onto weld weld output terminals.

  • Page 21: Remote Amperage Control Receptacle

    4-11. Remote Amperage Control Receptacle Remote Amperage Control Receptacle RC1 Keyway To connect remote amperage con- trol to receptacle, insert plug and turn clockwise until tight. Ref. 802 927 4-12. Electrical Service Guide Input Voltage Input Amperes At Rated Output Max Recommended Standard Fuse Rating In Amperes Time-Delay Normal Operating...

  • Page 22: Connecting Input Power

    4-13. Connecting Input Power A. Placing Jumper Links Y Disconnect and lockout/tagout input power before installing or moving jumper links. Jumper links allow operation on differ- ent input voltages and are factory set for the highest input voltage. Tools Needed: Check input voltage available at site.
  • Page 23 B. Connecting 3-Phase Input Power For Models With Customer Supplied Cord Y Installation must meet all National and Local Codes − have only quali- fied persons make this installation. Y Disconnect and lockout/tagout in- put power before connecting input conductors from unit. Y Make input power connections to = GND/PE Earth Ground the welding power source first.

  • Page 24: Section 5 − Operation

    SECTION 5 − OPERATION 5-1. Controls Power Switch Amperage Adjustment Control (see Section 5-2) Remote Amperage Control Receptacle (See Section 4-11) Supplementary Protector CB1 (See Section 6-2) Remote Amperage Switch (See Section 5-3) 122 035-B 5-2. Amperage Adjustment Control Amperage Adjustment Control Use control to adjust amperage within range for Negative Weld Out- put terminal (see Section 4-10).

  • Page 25: Remote Amperage Switch

    5-3. Remote Amperage Switch Y Arcing can damage switch. Do not change Remote Am- perage switch position while power is on. Arcing inside switch can damage con- tacts, causing switch to fail. Remote Amperage Switch Remote Amperage Control Use switch to select way of control- ling amperage adjustment.

  • Page 26: Section 6 − Maintenance & Troubleshooting

    SECTION 6 − MAINTENANCE & TROUBLESHOOTING 6-1. Routine Maintenance Y Disconnect power before maintaining. 3 Months Clean Repair or Replace tighten weld replace unreadable terminals. cracked labels. weld cable. 6 Months Sealed Blow out or vacuum inside. Bearings During heavy service, clean −...

  • Page 27: Troubleshooting Table

    6-3. Troubleshooting Table Trouble Remedy No weld output; unit completely Place line disconnect switch in On position (see Section 4-13B). inoperative. Check and replace line fuse(s), if necessary, or reset circuit breaker (see Section 4-13B). Check for proper input power connections (see Section 4-13B). Check for proper jumper link position (see Section 4-13A).
  • Page 28 Notes OM-2230 Page 24...

  • Page 29: Section 7 − Electrical Diagram

    SECTION 7 − ELECTRICAL DIAGRAM For Primary Circuit Diagram Portion, refer to Circuit Diagram located inside wrapper of welding power source. 143 314-E Figure 7-1. Circuit Diagram OM-2230 Page 25...

  • Page 30: Section 8 − Parts List

    SECTION 8 − PARTS LIST Hardware is common and not available unless listed. 139 447-G Figure 8-1 Main Assembly OM-2230 Page 26...
  • Page 31 Item Dia. Part Mkgs. Description Quantity Figure 8-1 Main Assembly ....006 016 PANEL, side ............
  • Page 32 Hardware is common and not available unless listed. 802 928 Figure 8-2 Panel, Front w/Components Item Dia. Part Mkgs. Description Figure 8-2 Panel, Front w/Components (Fig 8-1 Item 14) ....+202 923 PANEL, front .
  • Page 33 Hardware is common and not available unless listed. 018 370-E Figure 8-3 Panel, Rear w/Components Item Dia. Part Mkgs. Description Quantity Figure 8-3 Panel, Rear w/Components (Fig 8-1 Item 11) ... . . 208 402 MOTOR, 1/12HP 230V 1550RPM 50/60Hz .83A .
  • Page 34 Notes...
  • Page 35 Effective January 1, 2005 (Equipment with a serial number preface of “LF” or newer) This limited warranty supersedes all previous Miller warranties and is exclusive with no other Warranty Questions? guarantees or warranties expressed or implied. Call LIMITED WARRANTY − Subject to the terms and conditions Induction Heating Coils and Blankets below, Miller Electric Mfg.

  • Page 36: For Service

    Contact the Delivering Carrier to: File a claim for loss or damage during shipment. For assistance in filing or settling claims, contact your distributor and/or equipment manufacturer’s Transportation Department. © PRINTED IN USA 2005 Miller Electric Mfg. Co. 1/05...

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