Lincoln-electric IM770 IDEALARC CV-525 User Manual

CV-525OPERATOR’S MANUALIM770September, 2002Safety Depends on YouLincoln arc welding and cuttingequipment is designed and builtwith safety in mind. How

A-1CV-525A-1INSTALLATIONTECHNICAL SPECIFICATIONS CV-525 KA1454-1, KA1454-2Volts at Rated Amperes3436.53940.25AuxiliaryPower36VAC-10Ampsfor Gas Regula

A-2INSTALLATION CV-525A-2Read entire installation section before startinginstallation.SAFETY PRECAUTIONSSELECT SUITABLE LOCATIONThe machine should b

A-3INSTALLATION CV-525A-3Failure to follow these instructions can cause immedi-ate failure of components within the machine. When powering welder fr

A-4INSTALLATION CV-525A-4Installation of Equipment Required forRecommended ProcessesNote: Only one wire feeder should be connected to theCV-525 powe

B-1OPERATIONB-1CV-525MEANINGS OF GRAPHIC SYMBOLSThe CV-525 nameplate has been designed to use international symbols in describing the function of the

B-2OPERATIONB-2CV-525Circuit BreakerCIRCUIT BREAKERHigh TemperatureTHERMAL PROTECTION LIGHTVoltmeterVOLTMETER SWITCHPositive ElectrodeNegative Electro

B-3OPERATIONB-3CV-525Three Phase PowerTransformerRectifierRectified DC Output Constant Voltage Characteristic Line Connection Shielded Metal Arc Weldi

B-4OPERATIONB-4CV-525GENERAL DESCRIPTIONThe CV-525 is an SCR controlled DC power source witha single range potentiometer control of the voltage out-pu

B-5OPERATIONB-5CV-525INPUT CONTACTORThe power source is equipped with an input contactor.115 VAC and 42 VAC AUXILIARY POWER ANDCONTROL CONNECTIONS14-P

B-6OPERATIONB-6CV-525H2H3H4L1L2L3H1GNDINPUTLINESH2H4H3L1L2L3H1GNDINPUTLINESH3H4H2L1L2L3H1GNDINPUTLINESCONNECTION FOR 460 VOLTS 50/60Hz.1/ ON RECONN

FOR ENGINEpowered equipment.1.a. Turn the engine off before troubleshooting and maintenancework unless the maintenance work requires it to be running.

PARALLELINGThere are no provisions on the CV-525 to permit par-alleling.DIODE OPTION (Factory installed only)The CV-525 Diode option is required to ut

Displays include analog current & voltage meters, pilotlight, thermal light and feeder ready light. The threefeeder receptacles are for Lincoln’s

B-9OPERATIONB-9CV-52512431619181752210920 2162315871113121411. FEEDER READY LIGHTThe feeder ready light (green) will illuminate steady(READY) when a w

CONTROL FEATURES ON FEEDERINTERFACE BOARD1.ADJUSTABLE PRE-FLOW TIMES-The pre-flow timecan be set through R540 Pre-flow trimmer on theboard as 0.05 - 1

C-1ACCESSORIESC-1The CV-525 can be used to power any ofthe following Lincoln Wire feeders:SEMI-AUTOMATIC WIRE FEEDERS • LN-9* • LN-9 GMA• LN-7 GMA* •

D-1MAINTENANCED-1CV-525SAFETY PRECAUTIONSGENERAL MAINTENANCE1. The fan motor has sealed bearings which requireno service.2. In extremely dusty locat

CV-525E-1TROUBLESHOOTINGE-1If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your

CV-525If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact yourLocal Lincoln Author

E-3TROUBLESHOOTINGE-3CV-525Observe all Safety Guidelines detailed througout this manualIf for any reason you do not understand the test procedures or

E-4TROUBLESHOOTINGE-4CV-525Observe all Safety Guidelines detailed througout this manualIf for any reason you do not understand the test procedures or

iiSAFETYiiARC RAYS can burn.4.a. Use a shield with the proper filter and coverplates to protect your eyes from sparks andthe rays of the arc when weld

F-1DIAGRAMSF-1CV-525H2H3H4CHOKEOUTPUTL1206205225VM2312247521110K /2WOUTPUTCONTROLS2OUTPUT CONTROLSWITCH7621121377SWITCHPOWERS1J118743212012022032

F-2DIAGRAMSF-2CV-525POWER RECTIFIER BRIDGEDIAGRAM 1PLUG TO SNUBBER BOARDSHUNTP5221 222223204220204204204220D1 D2 D3SCR1 SCR2 SCR3G1 G2 G3D4ANODECATHOD

NOTESCV525

NOTESCV-525

WARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicREAD AND UNDERSTAND THE MANUFACTURER’S INSTRUC

WARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicLEIA E COMPREENDA AS INSTRUÇÕES DO FABRICANTE

• Sales and Service through Subsidiaries and Distributors Worldwide •The Lincoln Electric Company (Australia) Pty. Ltd. 35 Bryant Street, Padstow, Syd

FOR ELECTRICALLYpowered equipment.8.a. Turn off input power using the disconnectswitch at the fuse box before working onthe equipment.8.b. Install equ

ivSAFETYivPRÉCAUTIONS DE SÛRETÉPour votre propre protection lire et observer toutes les instruc-tions et les précautions de sûreté specifiques qui par

vSAFETYv L10093 3-1-96HConformancestandard: EN 50 199 Electromagnetic Compatibility (EMC) Product Standard for Arc Welding Equipment. ItAll elect

viSAFETYvi L10093 3-1-96HThe size of the surrounding area to be considered will depend on the structure of the building and other activitiesMethod

Thank Youfor selecting a QUALITY product by Lincoln Electric. We want youto take pride in operating this Lincoln Electric Company product••• as much p

viiiviiiTABLE OF CONTENTSPageInstallation...........................