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manual abstract
2 Breathing welding fumes can be hazardous to your health. 2.1 Keep your 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 from welding. Don’t weld near flammables. 3.2 Welding sparks can cause fires. Have a fire extinguisher nearby and have a watch person ready to use it. 3.3 Do not weld on drums or any closed containers. 4 Arc rays can burn eyes and injure skin. 4.1 Wear hat and safety glasses. Use ear protection and button shirt collar. Use welding helmet with correct shade of filter. Wear complete body protection. 5 Become trained and read the instructions before working on the machine or welding. 6 Do not remove or paint over (cover) the label. 2-2. Manufacturer’s Rating Label For CE Products OM-356 Page 10 2-3. Symbols And Definitions Some symbols are found only on CE products. NOTE A Amperes Panel–Local Gas Tungsten Arc Welding (GTAW) V Volts Do Not Switch While Welding Arc Force (DIG) Output Circuit Breaker Remote Protective Earth (Ground) Alternating Current High Frequency Start Postflow Timer Preflow Timer High Frequency Continuous Gas (Supply) Gas Input Gas Output On Off Percent Balance Control Maximum Cleaning Maximum Penetration Electrode Negative Crater Time Meter U0 Rated No Load Voltage (Average) U1 Primary Voltage U2 Conventional Load Voltage I1 Primary Current I2 Rated Welding Current X Duty Cycle IP Degree Of Protection I1eff Maximum Effective Supply Current I1max Rated Maximum Supply Current Electrode Work Thickness Gauge S Seconds Final Current Start Time Peak Time Spot Sequence Start/Crater Sequence Pulser Background Amps Crater Sequence 4T 4 Step Trigger Operation Sequence Shielded Metal Arc Welding (SMAW) Spot Timer Temperature Input High Frequency Increase/Decrease Of Quantity Direct Current Electrode Positive Single-Phase Line Connection Single-Phase Combined AC/DC Power Source Hz Hertz Spark Gap Start Amperage Start Sequence Pulse Frequency OM-356 Page 11 OM-356 Page 12 SECTION 3 – INSTALLATION OR Location And Airflow Falling Unit Can Cause Injury. Use lifting eye to lift unit only, NOT running gear, gas cylinders, or any other accessories. Use equipment of adequate capacity to lift and support unit. If using lift forks to move unit, be sure forks are long enough to extend beyond opposite side of unit. 1 Lifting Eye 2 Lifting Forks Use lifting eye or lifting forks to move unit. If using lifting forks, extend forks beyond opposite side of unit. 3 Rating Label Use rating label to determine input power needs. 4 Line Disconnect Device Locate unit near correct input power supply. Special installation may be required where gasoline or volatile liquids are present – see NEC Article 511 or CEC Section 20. Be careful when placing or moving unit over uneven surfaces. 3-1. Selecting A Location 1 2 Movement Ref. ST-117 264-C / ST-801 971 4 1 3 18 in (460 mm) 18 in (460 mm) OM-356 Page 13 3-2. Dimensions And Weights Dimensions A Height 38-1/4 in (972 mm) with retractable lifting eye down D C B Width 22-1/2 in (572 mm) Length 25 in (635 mm) A 25 in (635 mm) B 23-5/8 in (600 mm) Front E C 1-3/8 in (35 mm) F D 7/8 in (22 mm) E 19-15/16 (506 mm) F 22-1/4 (565 mm) G 1/2 in (13 mm) Dia Weight G 4 Holes Ref. ST-184 046 515 lbs (234 kg) 3-3. Specifications Rated Amperes Input at AC Balanced Rated Load Output, 50/60 Hz, Single-Phase Amperage Range Max OCV Welding Output PFC ** 200V 220V 230V 400V 440V 460V 520V 575V KVA KW NEMA Class I (60) – 300 No PFC 129 5* 117 5* 112 4* 65 3* 58 2* 56 2* 49 2* 45 2* 21.8 0.9* 14.3 0.4* Amperes, 32 Volts AC, 60% Duty Cycle With PFC 98 69* 89 63* 85 60* 49 35* 44 31* 43 30* 37 26* 34 24* 19.3 14.0* 14.0 0.4* 3 – 400A 80V NEMA Class II (40) – 350 No PFC 150 5* 137 5* 131 4* 75 3* 68 2* 66 2* 57 2* 53 2* 24.5 0.9* 17.7 0.4* Amperes, 34 Volts AC, 40% Duty Cycle With PFC 118 69* 107 63* 103 60* 59 35* 53 31* 52 30* 45 26* 41 24* 23.9 14.0* 17.7 0.4* 3 – 400A 80V *While idling **Power Factor Correction OM-356 Page 14 4 Minutes Welding 6 Minutes Resting 6 Minutes Welding 4 Minutes Resting 3-4. Duty Cycle And Overheating Duty Cycle is the percentage of 10 minutes that the unit can weld at rated load without overheating. If unit overheats, output stops, front panel voltmeter/ammeter displays a HLP3 or HLP5 message (see Section 5-4), and cooling fans run. Wait fifteen minutes for unit to cool. Reduce amperage or duty cycle before welding. Exceeding duty cycle can damage unit and void warranty. 40% Duty Cycle At 350 Amperes (60 Hz Models Only) Overheating 0 15 A OR Minutes Reduce Duty Cycle duty1 4/95 / SB-190 276 60% Duty Cycle At 300 Amperes ssb1.1 10/91 – STThe volt-ampere curves show the minimum and maximum voltage and amperage output capabilities of the welding power source. Curves of other settings fall between the curves shown. 3-5. Volt-Ampere Curves 3-6. Weld Output Terminals And Selecting Cable Sizes . ARC WELDIN...