Page 2 - From Miller to You
Miller Electric manufactures a full lineof welders and welding related equipment.For information on other quality Millerproducts, contact your local Miller distributorto receive the latest full line catalog orindividual catalog sheets. To locate your nearestdistributor or service agency call 1-800-4...
Page 3 - TABLE OF CONTENTS; WARNING
TABLE OF CONTENTS SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2. Plasma Arc Cutting Haz...
Page 5 - SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING; Symbol Usage; Plasma Arc Cutting Hazards; CUTTING can cause fire or explosion.
OM-2220 Page 1 SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING pom _nd_9/98 1-1. Symbol Usage Means Warning! Watch Out! There are possible hazardswith this procedure! The possible hazards are shown inthe adjoining symbols. Y Marks a special safety message. . Means “Note”; not safety related. This...
Page 7 - Additional Symbols For Installation, Operation, And Maintenance
OM-2220 Page 3 1-3. Additional Symbols For Installation, Operation, And Maintenance HOT PARTS can cause severe burns. D Do not touch hot parts bare handed. D Allow cooling period before working on torch. MOVING PARTS can cause injury. D Keep away from moving parts such as fans. D Keep all doors, pan...
Page 9 - SECTION 1 – CONSIGNES DE SÉCURITÉ – LIRE AVANT UTILISATION; Signification des symboles; Dangers liés au coupage à l’arc au plasma
OM-2220 Page 5 SECTION 1 – CONSIGNES DE SÉCURITÉ – LIRE AVANT UTILISATION pom_nd_fre_5/97 1-1. Signification des symboles Signifie Mise en garde ! Soyez vigilant ! Cette procédureprésente des risques de danger ! Ceux-ci sont identifiéspar des symboles adjacents aux directives. Y Identifie un message...
Page 10 - LE BRUIT peut endommager l’ouïe.
OM-2220 Page 6 D N’approchez pas le tube du chalumeau et l’arc pilote lorsque la gâchette estenfoncée. D Le câble de masse doit être pincé correctement sur la pièce à couper, métalcontre métal (et non de telle sorte qu’il puisse se détacher), ou sur la tablede travail le plus près possible de la lig...
Page 11 - Principales normes de sécurité
OM-2220 Page 7 1-3. Dangers supplémentaires en relation avec l’installation, le fonctionnement et la maintenance DES PIECES CHAUDES peuvent pro-voquer des brûlures graves. D Ne pas toucher des parties chaudes à mains nues. D Laisser refroidir avant d’intervenir sur la torche. DES ORGANES MOBILES peu...
Page 12 - Information sur les champs électromagnétiques
OM-2220 Page 8 1-5. Information sur les champs électromagnétiques Données sur le soudage électrique et sur les effets, pour l’organisme,des champs magnétiques basse fréquence Le courant de soudage ou de coupage passant dans les câbles de puis-sance crée des causera des champs électromagnétiques. Il ...
Page 13 - SECTION 2 – INSTALLATION; Specifications; NOTE
OM-2220 Page 9 SECTION 2 – INSTALLATION 2-1. Specifications For any single or three phase voltage from 208 V to 575 V, the Amperes Input atRated Load Output is the same for 50 Hertz or 60 Hertz input power. For example,the amperes input for 230 V, 50 Hz, single-phase input power is 33 amperes. Theam...
Page 14 - Duty Cycle and Overheating; Cutting Speed
OM-2220 Page 10 6 Minutes Cutting 4 Minutes Resting 2-2. Duty Cycle and Overheating Duty Cycle is percentage of 10 min-utes that unit can cut at rated loadwithout overheating. If unit overheats, thermostat(s)opens, output stops, and coolingfan runs. Wait fifteen minutes forunit to cool. Reduce amper...
Page 15 - Selecting a Location
OM-2220 Page 11 2-4. Selecting a Location loc_2 3/96 - Ref. ST-151 556 / ST-802 183 1 Lifting Handles Use handles to lift unit. 2 Hand Cart Use cart or similar device to moveunit. 3 Rating Data on RearNameplate Use rating data to determine inputpower needs. 4 Line Disconnect Device Locate unit near ...
Page 17 - Extension Cord Data
OM-2220 Page 13 50 Hz Models Single Phase Three Phase Input Voltage 230 230 380 400 415 Input Amperes At Rated Output 33 20 10 10 10 Max Recommended Standard Fuse Rating In Amperes 1 Time-Delay 2 40 20 10 10 10 Normal Operating 3 50 30 15 15 15 Min Input Conductor Size In AWG/Kcmil 10 14 14 14 14 Ma...
Page 18 - Connecting Input Power
OM-2220 Page 14 2-8. Connecting Input Power L1 input_2 3/96 - Ref. ST-144 221 / Ref. ST-070 399-C / ST-802 183 Check input voltage available atsite. . The Auto-Line E circuitry in this unit automatically adapts thepower source to the primaryvoltage being applied, from 208to 575 volts, single- or thr...
Page 19 - SECTION 3 – OPERATION; Controls
OM-2220 Page 15 SECTION 3 – OPERATION 3-1. Controls 1 Gas/Air Pressure Gauge 2 Gas/Air Pressure Control 3 Output Control Use control to select cutting output in am-peres. Gas/air automatically flows at the setpressure. Use Gas/Air Set area of control range for set-ting gas/air pressure (see Section ...
Page 21 - Sequence of Operation
OM-2220 Page 17 3-3. Sequence of Operation Put On Personal Safety Equipment After cutting arc starts, slowly start moving torch across metal. Adjust torch speed so sparks go thru metal and out bottom of cut. Pause briefly at end of cut before releasing trigger. Install & Connect Equipment EXAMPL...
Page 22 - SECTION 4 – MAINTENANCE & TROUBLESHOOTING; Routine Maintenance
OM-2220 Page 18 SECTION 4 – MAINTENANCE & TROUBLESHOOTING 4-1. Routine Maintenance Y Disconnect power before maintaining. . Maintain more oftenduring severe conditions. Each Use Check Torch Tip, Electrode, And Shield Cup Check Gas/Air Pressure Every Week Check Shield Cup Shutdown System 3 Months...
Page 23 - Trouble Lights; Checking Shield Cup Shutdown System
OM-2220 Page 19 4-2. Trouble Lights 1 Pressure Light Lights if gas/air pressure is below40 PSI (276 kPa). Turn power Off, and check for prop-er gas/air pressure (see Section3-2). 2 Cup Light Lights if shield cup is loose. Turn power Off, and check shieldcup connection (see torch Owner’sManual). Powe...
Page 24 - Troubleshooting
OM-2220 Page 20 4-4. Troubleshooting Trouble Remedy No pilot arc; difficulty in establishing anarc. Clean or replace worn consumables as necessary (see torch Owner’s Manual). Check for damaged torch or torch cable (see torch Owner’s Manual). No cutting output; Power light off;Trouble lights off; Rea...
Page 25 - Notes
Page 26 - SECTION 5 – ELECTRICAL DIAGRAM; Figure 5-1. Circuit Diagram For Power Source
OM-2220 Page 22 SECTION 5 – ELECTRICAL DIAGRAM Figure 5-1. Circuit Diagram For Power Source
Page 28 - SECTION 6 – PARTS LIST
OM-2220 Page 24 SECTION 6 – PARTS LIST ST-802 184-E . Hardware is common andnot available unless listed. 4 5 6 10 11 16 22 23 37 39 43 52 53 19 12 13 15 49 50 27 28 51 28 25 Figure 6-1. Main Assembly
Page 31 - (Equipment with a serial number preface of “LA” or newer)
Warranty Questions? Call1-800-4-A-MILLERfor your localMiller distributor. miller_warr 7/00 Your distributor also givesyou ... ServiceYou always get the fast,reliable response youneed. Most replacementparts can be in yourhands in 24 hours. SupportNeed fast answers to thetough welding questions?Contac...
Page 32 - Please complete and retain with your personal records.; For Service
PRINTED IN USA 2000 Miller Electric Mfg. Co. 6/00 Miller Electric Mfg. Co. An Illinois Tool Works Company1635 West Spencer StreetAppleton, WI 54914 USA International Headquarters–USAUSA Phone: 920-735-4505 Auto-AttendedUSA & Canada FAX: 920-735-4134International FAX: 920-735-4125 European Head...
