Assessments - 4, GPA: 3.5
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Capacitors 310 Amp Single Phase 358 Amp Scott-connection Idle Current With P.F. Capacitors 70 Power Factor @ Rated load With P.F. Capacitors 71% RECOMMENDED INPUT WIRE GROUNDING CONDUCTOR AND FUSE SIZES* Input Volts/ Hz. Input Amps Copper Wire Size - 75C in Conduit Super Lag Fuses Size in Amps Power Input Wires Grounding Conductor 1 Phase Scott Conn. 1 Phase T&B Term. Scott Conn. T&B Term. 1 Phase T&B Term. Scott Conn. T&B Term. 1 Phase Scott Conn. 380/50 310 358 500MCM (250mm2) 31013 600MCM (300mm2) 31015 #3 (25mm2) 31007 #2 (35mm2) 31007 400 500 RATED OUTPUT Duty Cycle AMPS AC 100% 1500 @ 44 Volts Current Range 240/1500 OUTPUT (SMAW) “MIN” Terminal “MED” Terminal “MAX” Terminal Volts 30-44 38-44 44 Amps 240-600 460-1060 890-1500 Maximum Open Circuit Voltage 86 PHYSICAL DIMENSIONS Height Width Depth Weight 53.50 in. ( 1358.9mm.) in. m.) 0 m .3 .4 2. 6. 26 (5 38.00in. (965.2mm.) lbs. g.) 9lb (kg 48 64 17 * Thomas & Betts wire terminals (or equal) recommended above are required to comply with applicable U.L. standards for safety. A #30 hex (Allen) key wrench is required for assembly of terminals to wire. Based on National Electrical Code - 100% Duty Cycle 40°C (104°F) Ambient. RATING: IP21 ENCLOSURE, INSULATION 155°(F) IDEALARC™ AC-1500 M uw.iut ELECTRIC INSTALLATION LOCATION Install the welder in a dry location where there is free circulation of air in through the louvers in front and out through the louvers in the back of the case. A location which minimizes the amount of smoke and dirt drawn into the machine reduces the chance of dirt accumulation that can block air passages and cause overheating. INPUT WIRING Failure to fuse the input lines per the specifications in this manual will constitute customer abuse and void the warranty. Have a qualified electrician make the complete input connection in accordance with the National Electrical Code, all local codes and the connection diagram located inside the machine. Be sure the voltage, phase and frequency of the input power is as specified on the welder nameplate. For most installations, connect the AC-1500 to single phase power or to one phase of a three phase line. Unbalanced line conditions can be easily avoided by properly balancing the AC-1500 with other machinery on the lines. When installing two or four Scott connected AC-1500 machines for AC-AC tandem arc welding, three phase input power must be used. The terminals for connections to provide an output phase angle less than or greater than the usual 90° phase angle are included on the input panel. The AC-1500 does not have an input contactor. Therefore, include an external starter or disconnect switch when planning the input circuit. Remove the right side panel of the AC-1500 and bring the input power lines through the hole in the back of the case. See the table below for reccomended sizing of input leads and overcurrent protection. The frame of the welder must be grounded, A stud marked with the symbol ® located on the welder base below the panel is provided for this purpose. See the National Electrical Code for details on proper grounding methods. OUTPUT CONNECTIONS WIRE FEEDER CONNECTION Turn the input power to the welder off. Remove the screw and lift the hinged door on the front of the control panel to expose the terminal strips. Connect the leads of the wire feeder input control cable to the terminal strips exactly as specified in the appropriate connection diagram. The AC-1500 to NA-4 connection diagrams are included in the NA-4 Operating Manual IM-278. Attach the control cables to the panel at the right of the terminal strip using the clamps provided. If connecting the AC-1500 to an older NA-4 with the toggle switch type ‘Current Control’ (below code 7532), a K-775 ‘Remote Control’ must be purchased and installed in accordance with the connection diagram S-15667 on page 5. The ‘Remote Control’ cord can be lengthened to any length by properly splicing a four conductor cord to the standard 25’ cord before connecting to the AC-1500 terminal strip. To connect the AC-1500 to any other wire feeder, write to the factory for instructions giving complete nameplate information for the specific equipment. When connection to the terminal strips are completed, close the door and replace the screw. IDEALARC™ AC-1500 IMEEK ELECTRIC | A-3 INSTALLATION A-3 Connection of AC-1500 to NA-4 with switch for ‘Current Control’ 5-15667 6-18-76A Connection of AC-1500 to NA-4 with rheostat for current control. WARN ING: Turn power source off before making these connections. Connect the control cable ground lead to the frame terminal marked near the power source terminal strip. The power source grounding terminal (marked and located near the power source Input power connections) must also be connected to electrical ground per the power source Operating Manual. N.A. Welding cables must be of proper capacity for the current and duty cycl...