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WARNING

WARNING

Read and understand this entire Service Manual and your
employer’s safety practices before installing, operating, or
servicing the equipment.

While the information contained in this Service Manual repre-
sents our best judgement, Thermal Dynamics Corporation
assumes no liability for its use.

MERLIN 6000 Plasma Cutting Master Power Supply
Service Manual Number 0-2569

Published by:
Thermal Dynamics Corporation
Industrial Park No. 2
West Lebanon, New Hampshire, USA  03784
(603) 298-5711

Copyright 1998 by
Thermal Dynamics Corporation

All rights reserved.

Reproduction of this work, in whole or in part, without written
permission of the publisher is prohibited.

The publisher does not assume and hereby disclaims any liabil-
ity to any party for any loss or damage caused by any error or
omission in the MERLIN 6000 Plasma Cutting Master Power
Supply Service Manual, whether such error results from negli-
gence, accident, or any other cause.

Printed in the United States of America

October 6, 1999

Summary of Contents for MERLIN 6000

Page 1: ...Manual No 0 2569 October 6 1999 MERLIN 6000 Plasma Cutting Master Power Supply Service Manual A 01497...

Page 2: ...mal Dynamics Corporation Industrial Park No 2 West Lebanon New Hampshire USA 03784 603 298 5711 Copyright 1998 by Thermal Dynamics Corporation All rights reserved Reproduction of this work in whole or...

Page 3: ...s Design Features 12 3 04 Theory Of Operation 13 3 05 Options And Accessories 14 SECTION 4 SERVICE TROUBLESHOOTING DIAGNOSTICS 15 4 01 Introduction 15 4 02 Periodic Inspection Procedures 15 4 03 Syste...

Page 4: ...HANIZED SYSTEM CABLE INTERCONNECTION DIAGRAM 80 APPENDIX V QUICK REFERENCE TO INTERCONNECTING CABLES AND HOSES 82 APPENDIX VI RECOMMENDED ROUTINE MAINTENANCE SCHEDULE FOR LIQUID COOLED PLASMA CUTTING...

Page 5: ...96 APPENDIX XX ARC STARTER BOX OPTION SYSTEM SCHEMATIC 97 APPENDIX XXI PARALLEL INTERFACE DIAGRAM 98 APPENDIX XXII GAS CONTROL GC3000 WIRING DIAGRAM 100 APPENDIX XXIII SYSTEM SCHEMATIC Rev B or Earlie...

Page 6: ...TABLE OF CONTENTS continued...

Page 7: ...ep your head out of the welding fume plume Use an air supplied respirator if ventilation is not adequate to remove all fumes and gases The kinds of fumes and gases from the plasma arc depend on the ki...

Page 8: ...yes always wear a welding hel met or shield Also always wear safety glasses with side shields goggles or other protective eye wear Wear welding gloves and suitable clothing to pro tect your skin from...

Page 9: ...uit NOTE Toute op ration proc dure ou renseignement g n ral sur lequel il importe d insister davantage ou qui contribue l efficacit de fonctionnement du syst me ATTENTION Toute proc dure pouvant r sul...

Page 10: ...9 D branchez l alimentation lectrique avant tout tra vail d entretien ou de r paration Lisez et respectez toutes les consignes du Manuel de consignes INCENDIE ET EXPLOSION Les incendies et les explos...

Page 11: ...ashington D C 20402 4 Norme ANSI Z87 1 PRATIQUES SURES POUR LA PROTECTION DES YEUX ET DU VISAGE AU TRAVAIL ET DANS LES ECOLES disponible de l InstitutAm ricain des Normes Nationales Ameri can National...

Page 12: ...LAPR PARATION LA COUPE ET AU SOUDAGE DE CONTENEURS ET TUYAUX AYANT RENFERM DES PRODUITS DANGEREUX disponible aupr s de la American Welding Society 550 N W LeJeune Rd Miami FL 33126 15 Norme ANSI Z88 2...

Page 13: ...andardsAssociation standard C22 2 number 60 forArc welding equipment UL Underwriters Laboratory rating 94VO flammability testing for all printed circuit boards used ISO IEC 60974 1 BS 638 PT10 EN 60 9...

Page 14: ...roducts shall be as follows with the exception of XL Plus Series CutMaster 80XL Cougar and DRAG GUN A maximum of three 3 years from date of sale to an authorized distributor and a maximum of two 2 yea...

Page 15: ...ccessories or Factory approved updates are to be made to this equipment C Customer Operator Responsibilities It is the customer operators responsibility to maintain the equipment and peripheral Access...

Page 16: ...INTRODUCTION 10 Manual 0 2569...

Page 17: ...e same power circuits as the Master Power Supply The Master Power Supply can also be connected to a second Master Power Supply and the equipment will automatically be configured when the parallel cabl...

Page 18: ...ith Slave Power Supply Continuously adjustable by potentiometer from 100 to 300 amps 5 Duty Cycle 100 6 Pilot Modes Auto Restart Pre Flow Delay Recycle Required 7 CNC Signals Enable Start Stop OK To M...

Page 19: ...h settings inside the Power Supply Refer to Operating Manual 0 2568 Section 4 07 D Main Cutting Arc The Power Supply accepts 50 or 60 Hz three phase line input An internal changeover switches input li...

Page 20: ...trol For mechanized systems this low profile unit provides full CNC capability and allows the operator to con trol all system functions from a remote location B SC 10 or SC11 Standoff Controls For mac...

Page 21: ...tion B Routine Maintenance The only other routine maintenance required for the power supply is a thorough cleaning and inspection with the frequency depending on the usage and the operating environmen...

Page 22: ...panels 4 03 System Theory A System Description The Merlin 6000 is designed for mechanized cutting only and consists of the following Merlin 6000 Master Power Supply Maximizer 300 Torch Torch Supply L...

Page 23: ...of pulses which are filtered back into pure DC volt age by the output network The output network consists primarily of the main inductor L2A and L2B resistor R13 and capacitor C23 D Switching Control...

Page 24: ...SC11 is used The OK TO MOVE signal is sent to the remote control standoff control or direct to the cutting machine controller It also controls theArc Hour and Starts Counter Meters and the optional H...

Page 25: ...ion of plasma and secondary gases The Gas Control GC 3000 can be mounted at the opera tors control station Plasma and secondary select switches activate the gas select solenoids in the Master Power Su...

Page 26: ...e Selection PC Board a Refer to 4 05 A Voltage Selection PC Board Check Replace Voltage Selection PC Board if necessary 5 Faulty motor contactor MC1 MC2 or MC3 a Refer to Section 4 05 D Motor Control...

Page 27: ...the Merlin 6000 connect a jumper wire across the Pressure Switch PS1 If the gas indicator comes ON the switch was faulty If gas indicator is OFF refer to Section 4 05 G Pressure Sensing Circuit 3 Fau...

Page 28: ...ry 3 Faulty Logic PC Board a Refer to Section 4 05 J Coolant Conductivity Circuit Replace Logic PC Board if necessary 4 Faulty LED Current Control PC Board a Refer to Section 4 05 J Coolant Conductivi...

Page 29: ...ircuit Check and replace if necessary 3 Broken conductor in torch lead a Check and replace if necessary 4 Shorted torch lead a Check and replace if necessary 5 Dirty or wet torch lead a Clean and dry...

Page 30: ...s A Voltage Selection PC Board Check The Merlin transformer has three input voltage ranges 200 230 380 460 and 500 575 selected by buss bars Within each range there are transformer taps for the up per...

Page 31: ...hen goes through the Parallel Cable to J15 on the Slave Power Supply Refer to Section 4 05 T Isolation PCB and Parallel Interface Check Enable Relay K1 circuit per the following NOTE This procedure ap...

Page 32: ...is supplied to the Motor Control Con tactor MC1 and MC2 coils from the Voltage Selec tion PC Board which selects the proper tap on the Main Transformer T1 The return path travels from wire 110 through...

Page 33: ...diode fails check the potential causes of diode failure to make sure the replacement diode will not also fail when it is installed 1 Isolate and check each diode separately to deter mine which indivi...

Page 34: ...SOL4 Air Plasma 300 SOL5 Nitrogen Plasma 300 SOL6 Oxygen Plasma 300 SOL7 Argon Hydrogen Plasma 300 Normal operation is for one plasma gas solenoid to be ON when ever the power supply is ON 3 Optional...

Page 35: ...ndary Water Problems With or Without Optional Gas Control GC3000 The Secondary Water Solenoid SOL3 is located at the rear panel of the power supply The secondary to be used is selected by the mode swi...

Page 36: ...t also uses the origi nal Secondary H2 0 Control SOL3 to both select and control secondary water In addition two new solenoids SOL8 SOL9 are added to the Merlin 6000 Power Supply Rear Panel to select...

Page 37: ...19 and J1 18 turning ON the Slave Power Supply START LED D18 If the Master Power Supply starts but the Slave Power Supply does not get a START signal START LED is OFF refer to Section 4 05 T Isolatio...

Page 38: ...Standoff Control SC10 or the ribbon cable Refer to Section 5 Customer Operator Service in the Standoff Control Instruction Manual If the Standoff Control SC10 isn t used or the Power Supply didn t st...

Page 39: ...read about 6 to 7 VAC from J8 2 to both J8 1 and J8 3 If 0 VAC is measured at both J8 1 and J8 3 with the enables J10 9 and J10 23 and shunt amp J9 5 input low replace the Switching Control PC Board...

Page 40: ...oblem is no DC then the W contactor should now stay ON for 3 seconds then go OFF No DC may be caused by a faulty Q1 refer to Section 4 05 M If contactor still drops out in less than 1 2 second problem...

Page 41: ...ng the CNC cable and connecting a start switch into the TB2 Start input and operate it manually That takes both the remote and con troller interface out of the system If problem persists go to step 2...

Page 42: ...For the Arc Starter Box confirm that the OCV measured at the torch bulkhead is also present at E1 and E2 on the Arc Starter PC Board If not the torch leads extension may be open Check for 24 VAC from...

Page 43: ...am The Remote Control RC 6010 has front panel con trols for OUTPUT AMPS and CSD The upper and lower limits of the current control range are set by the POT HI 10 vdc and POT LOW 3 3 vdc signals from J5...

Page 44: ...tage is incorrect then the Switching Con trol PCB is faulty When cutting each Power Supply Master and Slave monitors the actual output amps with their own Shunt Amp PCB Each Power Supply Shunt Amp PCB...

Page 45: ...able from the Remote Control RC6010 or the Standoff Control SC11 depending on remote used Temporally jumper TB2 1 to TB2 2 for enable For the Remote Control RC 6010 measure for 48 5 vdc from J37 16 35...

Page 46: ...revi sion letter C or later at the end of the serial num ber on the data tag Slave Power Supplies with the revision letter E or later at the end of the serial number on the data tag Slave Power Suppl...

Page 47: ...high or low tap on the transformer secondary This is based on the input AC line voltage at the time the Power Supply is turned ON If the line voltage is near one of these points the voltage might mea...

Page 48: ...between the two units The Isolation PCB in the Master Power Supply accom plishes this using both digital and analog optoisolator intergated circuits IC NOTE For a simplified diagram refer to Appendix...

Page 49: ...the copper foil at the opposite end 3 Attach the copper foil to a convenient and exposed electrical ground 4 Connect the equipment primary cable ground to the same electrical ground as the wrist stra...

Page 50: ...p and out on the Side Panel 4 Reinstall the replacement Side Panel by reversing the above procedure B Top Panel Replacement 1 Remove the Left and Right Side Panels per para graph B above 2 On the top...

Page 51: ...ng components from the Ac cess Panel Current Knob per paragraph A above ON OFF Switch per paragraph B above RUN SET PURGE Switch per paragraph C above LED Current Control PC Board per paragraph D abov...

Page 52: ...he above procedure F Fuse Holder Internal Replacement 1 Remove the Left Side Panel per Section 5 04 A 2 Remove the Fuse from the holder 3 Disconnect the two wires connected to the Fuse Holder 3 Remove...

Page 53: ...ve Assembly 5 Remove the Panel Nut securing the assembly to the Rear Panel Assembly 6 Pull the old Secondary Water Solenoid Valve As sembly from the Rear Panel Assembly 7 Install the replacement Secon...

Page 54: ...m the wiring harness at J25 4 Disconnect the hose connected to the bottom of the Flow Switch Assembly in the unit 5 Secure the end of the hose to prevent coolant from draining out of the Coolant Tank...

Page 55: ...echanical lift 6 Install the replacement DC Inductor Assembly by reversing the above procedure B 29KVA Transformer T1 Assembly Replacement WARNING The removal of this Assembly requires the use of a me...

Page 56: ...are all replaced in the same way To replace a Ther mostat Assembly use the following procedure 1 Remove the Left and Right Panels per Section 5 04 A 2 Locate the Thermostat Assembly to be replaced and...

Page 57: ...viewed from the front of the unit Driver PC Board Rear of Front Panel A 01083 5 Note and label the two wiring connectors that con nect to the Driver PC Board 6 Disconnect the two wiring connectors fr...

Page 58: ...atsink surface under the Transistor Assembly 19 Remove the faulty Switching Transistor Assem bly from the unit by sliding it towards the center of the Main Heatsink CAUTION DO NOT damage Heatsink 20 I...

Page 59: ...ntation of the gauge dial 3 Unscrew the Pressure Gauge from the fitting 4 Reinstall the replacement Pressure Gauge Assem bly by reversing the above procedure NOTE Be sure that the Pressure Gauge orien...

Page 60: ...e above procedure J Control Logic PC Board Assembly Replacement 1 Open the front panel access panel cover at the front of the Power Supply 2 Fasten the access cover open with string or rubber band 3 N...

Page 61: ...lve 5 10 Main Heatsink Assembly Parts Replacement NOTE Refer to Section 6 09 Main Heatsink Assembly Re placement Parts for parts list and overall detail drawing A 70 Amp STR Diode Replacement The Diod...

Page 62: ...ly ON OFF switch and at the main power disconnect 2 Wait at least two minutes to allow the input ca pacitors to discharge 3 Open the Power Supply to gain access to the faulty Diode Assembly 4 Locate t...

Page 63: ...ndary Gas Pressure Gauge at the front panel Replace the Hose Assembly using the following procedure NOTE Refer to Subsection 6 08 Upper Chassis Replace ment Parts for part numbers and detail drawing 1...

Page 64: ...the unit 5 Install the replacement Hose Assembly by revers ing the above procedure F Plasma Gas Hose PLASMA GAS to T Fitting Assembly Replacement The Plasma Gas Hose Assembly goes from the front pane...

Page 65: ...rs ing the above procedure J Secondary Water Gas Hose T Fitting to T Fitting Assembly Replacement The Secondary Water Gas Hose Assembly goes from the T Fitting at the Secondary Gas Check Valve to the...

Page 66: ...REPLACEMENT PROCEDURES 60 Manual 0 2569...

Page 67: ...placement Parts Section 6 10 Power Supply Options And Accessories NOTE Parts listed without item numbers are not illus trated but may be ordered by the catalog numbers shown B Returns If a Thermal Dyn...

Page 68: ...Catalog 1 Complete Merlin 6000 Master Power Supply With Running Gear and Work Cable Without Gas Control 3 6800 With Gas Control 3 6802 1 1 Work Cable with Ring Lug 25 ft 7 6 m 9 6892 2 1 Panel Top 9...

Page 69: ...ription Reference Catalog 1 Access Panel Assembly Includes 1 1 Access Panel With Overlay 9 7008 2 1 ON OFF Rocker Switch DPST SW1 8 3258 3 1 LED Current Control PC Board Assembly 9 5759 4 1 Knob Inner...

Page 70: ...ght Adapter 8 1251 11 1 Horizontal Chassis Panel 9 6655 12 1 Arc Starts Counter Option 8 8020 13 1 Arc Hour Meter Option 8 8021 14 1 Resistor 8 ohm 9 3431 15 1 Resistor Mounting Bracket Kit 8 4234 16...

Page 71: ...Manual 0 2569 65 PARTS LISTS 1 2 4 5 6 7 8 9 10 11 12 13 14 15 16 19 18 17 20 21 A 02341 22 23 3 3 25 24 26...

Page 72: ...0262 19 1 Check Valve 1 8 NPT Female 8 1787 20 4 1 8 NPT Close Nipple 8 0354 21 2 Assembly Solenoid Valve Connection 8 1196 22 1 Fitting Adapter 3 8 NPT 9 16 18 O Ring 9 1412 23 1 Assembly Flow Switc...

Page 73: ...Manual 0 2569 67 PARTS LISTS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 21 21 22 23 24 25 26 27 28 29 30 31 18 18 20 32 20 20 3 A 02342 11 37 35 38 39 40 35 33 36 34...

Page 74: ...4 1 Coupling Spider 9 4019 15 1 Body Coupling 7 16 Diameter Bore 8 6146 16 2 8 JIC x 3 8 NPT Straight Adapter 8 1251 17 2 1 2 x 3 8 NPT Reducer 8 0353 18 1 Pump Procon Type 2507XH 8 1328 19 1 Plate Pu...

Page 75: ...9 PARTS LISTS 9 10 1 2 11 12 3 4 13 14 5 6 15 16 7 8 17 18 19 20 21 22 23 24 21 20 A 02048 26 25 9 27 28 29 29 29 NOTE Illustration is for Units with the letter C or later at the end of the serial num...

Page 76: ...1 Adapter Bulkhead 3 8 NPT Inert B L H 8 6148 13 1 Body Bulkhead 1 8 NPT 8 4509 14 1 Body Bulkhead 1 8 NPT LH 8 4510 15 1 Receptacle Square Flanged 14 Circuit CPC Rev Sex 9 3293 16 1 Fuse Holder For 1...

Page 77: ...embly Bulkhead to Coolant Pressure Gauge 8 4516 45 1 Hose Assembly Secondary Water Inlet to Gauge 8 4517 46 1 Hose Assembly Plasma Gas Inlet to Regulator 8 4515 47 1 Hose Assembly Plasma Gas Regulator...

Page 78: ...d 8 6316 15 1 Assembly Heatsink Suppression PC Board 9 1410 16 1 Support Capacitor Bracket PC Board 8 6315 17 3 Resistor 100 Ohm 100W Style J 9 1405 18 1 Internal Wire Assembly Package 9 6661 19 2 Res...

Page 79: ...Manual 0 2569 73 PARTS LISTS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 29 30 31 32 33 34 11 19 9 2 2 2 17 17 11 11 28 A 00971 32 32 32 32 32 32...

Page 80: ...en Regulator 9 3053 8 1 Oxygen Regulator 9 4379 9 1 Water Regulator Not required if item 4 is used 8 6118 The following are not shown 1 Merlin 6000 Slave Power Supply 3 6801 1 Master to Slave Parallel...

Page 81: ...PL AS MA ON AR C VO LT S RE MO TE ST AN DO FF CO NT RO L T H C AC TIV E PIE RC E HT inc hes 0 1 0 3 0 4 0 5 0 2 EN D OF CU T RE TRA CT 0 25 75 100 UP DN TO RC H TO RC H MO DE MO DE LIF TE R LIF TE R...

Page 82: ...PARTS LISTS 76 Manual 0 2569...

Page 83: ...B ased on National E lectric Code and Canadian E lectrical Code NOTES Refer to Local and National Codes or local authority having jurisdiction for proper wiring requirements Cable size is de rated bas...

Page 84: ...indicator ON Pilot contactor closes PILOT indicator ON Pilot arc established PILOT ARC ACTION Torch de activated by torch switch released or remote device RESULT Main arc stops Main contactor opens D...

Page 85: ...e Control or Standoff Control Earth Ground Master Power Supply Work Cable Workpiece Earth Ground 3 Phase Input A 01512 CNC Control Slave Power Supply Work Cable 3 Phase Input Earth Ground NOTE Work Ca...

Page 86: ...AM NOTE Refer to Appendix V for complete data on the Cables and Hoses SLAVE POWER SUPPLY J15 J54 J63 J15 PCR OR OR MASTER POWER SUPPLY RC 6010 SC10 RC 6010 J37 J37 J29 CNC CNC CNC A 01517 Bulkhead J14...

Page 87: ...APPENDIX PILOT CABLE PILOT CABLE WORK CABLE TORCH CABLE WORK CABLE SHIELD ARC STARTER PCB ARC STARTER BOX TORCH CABLE COOLANT COOLANT PLASMA GAS SECONDARY GAS WORKPIECE A 01517 J2 D Arc Starter Contro...

Page 88: ...10 ft 3 0 m 9 6910 1 2 13 15 ft 4 6 m 9 6911 1 2 13 20 ft 6 1 m 9 6912 1 2 13 25 ft 7 6 m 9 6913 1 2 13 30 ft 9 1 m 9 6914 1 2 13 35 ft 10 7 m 9 6915 1 2 13 40 ft 12 2 m 9 6916 1 2 13 50 ft 15 2 m 9 6...

Page 89: ...Weekly or Every 30 Arc Hours 1 Blow or vacuum dust and dirt out of the entire machine Six Months or Every 720 Arc Hours 1 Remove and clean in line filter screens 2 Check cables and hoses for leaks or...

Page 90: ...1 A K5 K3 K4 K2 HFWS 110 110 93 24 24 LOGIC BOARD 23 50 5 75 SW3 A 88 89 SEC 02 N C SOL1 PLASMA GAS SOL3 SECONDARY WATER SOL2 SECONDARY GAS K5 HV K5 LV 21 22 4 3 K4 HV K3 LV K3 LV K4 HV VOLTAGE SELECT...

Page 91: ...R SUPPLY 120 VAC CIRCUIT DIAGRAM 5A 250 VAC AC T1 MC1 MC2 W1 W2 K2 110 24 LOGIC PC BOARD 23 K5 HV K5 LV 21 22 4 3 K4 HV K3 LV K3 LV K4 HV VOLTAGE SELECTION PC BOARD NEON IND1 14 15 10 9 8 K1 SWITCHING...

Page 92: ...ISABLE Only after main con tactor initially closes SENSE BRIDGE VOLTAGE 60VDC SENSE BRIDGE VOLTAGE 60VDC TP1 TP4 To disable this circuit for troubleshooting short test points together PILOT CONTROL HF...

Page 93: ...tandoff Control FIND HEIGHT DISABLE HEIGHT CONTROL OK TO MOVE DELAY VOLTS DISPLAY POWER SUPPLY POWER SUPPLY MAIN CSD AMP DISPLAY AMP Display Signal Demand 48 vdc Torch Volts Signal OK To Move START St...

Page 94: ...3 TB2 4 J15 24 J15 25 J37 9 J37 10 Internal Ribbon Cable PLASMA ON J5 17 J7 15 START D79 Height Found or Find Ht OFF FIND HEIGHT START D103 With SC10 No Yes J5 13 J7 13 Internal Ribbon Cable ENABLE ON...

Page 95: ...gh 10 VDC Pot Low 3 3 VDC J10 17 J10 15 J10 13 J5 17 J5 15 J5 13 LED and Current Control PCB J37 11 J37 12 J37 1 J37 2 DISPLAY 150 300A J15 26 J15 27 J15 3 J15 4 Shunt Amp PCB J11 5 J11 6 J9 5 J9 6 J7...

Page 96: ...APPENDIX 90 Manual 0 2569 APPENDIX XIII CORNER SLOWDOWN CSD CIRCUIT DIAGRAM A 01140...

Page 97: ...00GST with Remote Control RC6010 Standoff Control SC10 OK To Move Circuit OK Logic PCB J2 14 J2 16 J15 11 J15 10 J42 12 J42 14 OK PS D82 OK OUT D37 Pierce Delay 0 3 Seconds OK Standoff Control SC11 K1...

Page 98: ...T DIAGRAM Torch Control Connector Merlin 6000 Power Supply F3 1A 250V 24 VAC J14 5 J14 8 J1 1 J1 3 Arc Starter PC Board 24 VAC Present Red LED On J2 1 J2 2 Arc Starter Box Panel Connector Arc Starter...

Page 99: ...se Assembly Tank To Coolant Filter Coolant Supply Hose Assembly Coolant Filter To Pump Coolant Return Hose Assembly Internal Filter To Flow Switch Coolant Return Hose Assembly Bulkhead To Radiator Coo...

Page 100: ...APPENDIX 94 Manual 0 2569 APPENDIX XVII INTERFACE CABLE FOR REMOTE CONTROL RC6010 A 01513 Remote Control RC6010 RC6010 Remote Cable Merlin 6000...

Page 101: ...CE CABLE A 01514 Cable Connections Used With Remote Control RC6010 Cutting Machine CNC Cable Remote Control RC6010 Contact 24 VAC Source Refer to Remote Control RC6010 Manual for Station Select and CS...

Page 102: ...J54 Slave Power Supply J15 Cable 1 2 7 11 3 4 14 12 8 9 10 5 13 1 2 32 33 24 25 17 15 3 4 31 30 19 35 36 26 27 DEMAND 3 3 10 VDC ENABLE START STOP SLAVE IS ON SLAVE OUTPUT Signal This Is Slave Remote...

Page 103: ...Manual 0 2569 97 APPENDIX APPENDIX XX ARC STARTER BOX OPTION SYSTEM SCHEMATIC A 01575...

Page 104: ...gnal CSR CSR To PWM 20 ma Current Source J7 8 J7 20 J7 19 Parallel Cable Installed J7 16 J7 2 J7 18 0 10 v Demand to Slave 0 10 v output sig To Master Switching Control PCB 120 119 J15 35 J15 36 124 1...

Page 105: ...S J3 29 This is Slave 15 V J3 27 Slave is On J4 6 J3 9 J3 23 Start to Slave PWM Enable 2 PWM Enable Start Stop J1 19 J1 20 Slave is On Logic PCB 47 J15 25 J1 18 J15 J15 32 J15 33 Enable Relay 3 3 to...

Page 106: ...APPENDIX 100 Manual 0 2569 APPENDIX XXII GAS CONTROL GC3000 WIRING DIAGRAM A 01129...

Page 107: ...Manual 0 2569 101 APPENDIX...

Page 108: ...APPENDIX 102 Manual 0 2569 APPENDIX XXIII SYSTEM SCHEMATIC Rev B or Earlier A 01573...

Page 109: ...Manual 0 2569 103 APPENDIX NOTE System Schematic for units with the letter B or earlier at the end of the serial number on the data tag A 01573...

Page 110: ...APPENDIX 104 Manual 0 2569 APPENDIX XXIV SYSTEM SCHEMATIC Rev C or Later A 01947...

Page 111: ...Manual 0 2569 105 APPENDIX NOTE System Schematic for units with the letter C or later at the end of the serial number on the data tag A 01947...

Page 112: ...APPENDIX 106 Manual 0 2569...

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