Siemens 7VK512

)NSTALLATION INSTRUCTIONS6+
6

#
' #
 #ONNECTIONS
'ENERAL AND CONNECTION DIAGRAMS ARE SHOWN IN !P
PENDIX ! AND " 4HE MARSHALLING POSSIBILITIES OF THE
BINARY INPUTS AND OUTPUTS ARE DESCRIBED IN 3ECTION

 #HECKING THE CONNECTIONS

7ARNING
3OME OF THE FOLLOWING TEST STEPS ARE CARRIED
OUT IN THE PRESENCE OF HAZARDOUS VOLTAGES
4HEY SHALL BE PERFORMED BY QUALIFIED PER
SONNEL ONLY WHICH IS THOROUGHLY FAMILIAR
WITH ALL SAFETY REGULATIONS AND PRECAUTION
ARY MEASURES AND PAY DUE ATTENTION TO
THESE
.ON
OBSERVANCE CAN RESULT IN SEVERE PER
SONAL INJURY
"EFORE INITIAL ENERGIZATION WITH SUPPLY VOLTAGE THE
RELAY SHALL BE SITUATED IN THE OPERATING AREA FOR AT
LEAST TWO HOURS IN ORDER TO ENSURE TEMPERATURE
EQUALIZATION AND TO AVOID HUMIDITY INFLUENCES AND
CONDENSATION
3WITCH OFF THE CIRCUIT BREAKERS FOR THE DC SUPPLY
AND THE VOLTAGE TRANSFORMER CIRCUITS
#HECK THE CONTINUITY OF THE VOLTAGE TRANSFORMER
CIRCUITS AGAINST THE PLANT AND CONNECTION DIA
GRAMS
C !RE THE VOLTAGE TRANSFORMERS CORRECTLY EARTHED
C !RE THE POLARITIES OF THE VOLTAGE TRANSFORMER CIR
CUITS CORRECT
C )S THE PHASE RELATIONSHIP OF THE VOLTAGE TRANS
FORMERS CORRECT
)F TEST SWITCHES HAVE BEEN FITTED IN THE SECONDARY
CIRCUITS CHECK THEIR FUNCTION
&IT A DC AMMETER IN THE AUXILIARY POWER CIRCUIT
RANGE APPROX  ! TO  !
#LOSE THE BATTERY SUPPLY CIRCUIT BREAKER CHECK
POLARITY AND MAGNITUDE OF THE VOLTAGE AT THE TERMI
NALS OF THE UNIT OR AT THE CONNECTOR MODULE
4HE MEASURED CURRENT CONSUMPTION SHOULD BE
CORRESPOND TO APPROXIMATELY  7 4RANSIENT
MOVEMENT OF THE AMMETER POINTER ONLY INDICATES
THE CHARGING CURRENT OF THE STORAGE CAPACITORS
4HE UNIT STARTS UP AND ON COMPLETION OF THE RUN
UP PERIOD THE GREEN ,%$ ON THE FRONT COMES ON
THE RED ,%$ GETS OFF AFTER AT LAST  SEC
/PEN THE CIRCUIT BREAKER FOR THE DC POWER SUPPLY
2EMOVE DC AMMETER RECONNECT THE AUXILIARY
VOLTAGE LEADS
#LOSE THE VOLTAGE TRANSFORMER MCB SECONDARY
CIRCUIT
#HECK THE DIRECTION OF THE VOLTAGES AT THE RELAY TER
MINALS
/PEN THE MCB S FOR VOLTAGE TRANSFORMER SEC
ONDARY CIRCUITS AND DC POWER SUPPLY
#HECK THROUGH THE CLOSING CIRCUITS TO THE CIRCUIT
BREAKER
#HECK THROUGH THE CONTROL WIRING TO AND FROM OTH
ER DEVICES
#HECK THE SIGNAL CIRCUITS
#LOSE THE PROTECTIVE MCB S