GE 239 Instruction Manual

Also see for 239: Instruction manual

iv239 Motor Protection RelayGE MultilinINDEXINDEXSWITCH INPUTS SIMULATION ...................................4-41SWITCH STATUS ........................................................ 5-5SYSTEM FREQUENCY ...............................................4-10SYSTEM STATUS ....................................................... 5-4TTEMPERATURE .................................................. 4-29, 5-8TEMPERATURE DISPLAY ........................................... 4-4TEST CONFIGURATION .............................................4-38TEST OUTPUT RELAYS & LEDS ................................4-38TESTINGAnalog Output ........................................................... 8-6Ground alarm and trip test ......................................... 8-5ground current accuracy test ...................................... 8-5phase current accuracy test ....................................... 8-2phase current overload test ....................................... 8-3Phase unbalance test ................................................ 8-3power failure and memory test ................................... 8-7primary injection test ................................................. 8-1RTDs measurement test ............................................ 8-7secondary injection test ............................................. 8-1switch inputs ............................................................. 8-6Thermistor alarm test ................................................ 8-7THERMAL CAPACITY USED ........................................ 5-7calculating ...............................................................4-12THERMAL CAPACITY USED ALARM ..........................4-26THERMISTOR ............................................................4-29input temperature ...................................................... 5-8THERMISTOR ALARM TEST ....................................... 8-7THERMISTOR INPUT .................................................. 2-9programming ............................................................4-29testing ...................................................................... 8-7THERMISTOR SIMULATION .......................................4-41TIME TO OVERLOAD RESET .......................................5-4TIME TO TRIP ..............................................................5-4TIMED OVERLOAD CURVES ...................................... 4-21TIMING ........................................................................7-4TRIP2nd last trip ................................................................5-5cause of last trip ........................................................5-4record ........................................................................5-5TRIP IN PROGRESS ....................................................5-4TRIP OPERATION ...................................................... 4-14TRIP RECORD .............................................................5-5TRIP RELAY .............................................................. 4-14TWO SPEED MOTOR WIRING DIAGRAM ................... 4-35TYPICAL APPLICATIONS .............................................1-5TYPICAL CT RATINGS .................................................2-5TYPICAL WIRING DIAGRAM ........................................2-4UUNBALANCE .............................................................. 4-25actual values ..............................................................5-5calculating ........................................................ 4-26, 8-4formula ......................................................................5-7testing .......................................................................8-3UNDERCURRENT ...................................................... 4-25UPGRADING FIRMWARE .............................................6-9USER DEFINABLE MEMORY MAP .............................. 7-11WWARRANTY ................................................................ A-1WIRING DIAGRAM .......................................................2-4

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