HF Series Generators
Maintenance
MA-1004R4
4
2.2 GENERAL CAUTIONS
MAKE SURE THAT THE MAIN CAPACITORS OF THE HIGH
VOLTAGE INVERTER DO NOT CONTAIN ANY RESIDUAL
CHARGE. WAIT UNTIL THE LIGHT EMITTING DIODES ON
THE CHARGE-DISCHARGE MONITOR BOARDS ARE OFF,
APPROX. 3 MINUTES AFTER THE UNIT IS TURNED OFF.
ALWAYS
HAVE THE “IPM DRIVER BOARD” CONNECTED IN
THE GENERATOR PREVIOUS TO MAINS POWER IS
ACTIVATED IN IT. IF THE “IPM DRIVER BOARD” IS NOT
CONNECTED, PERMANENT DAMAGE WILL OCCUR TO
IGBTS.
LINE POWERED GENERATOR
:
THIS GENERATOR IS PERMANENTLY CONNECTED TO THE
POWER LINE, AND POWERED ON UNLESS THE SAFETY
SWITCH INSTALLED IN THE ROOM ELECTRICAL CABINET
IS OFF. WHEN THE GENERATOR IS POWERED, THE NEON
LAMP (GREEN) LOCATED ON THE TRANSFORMER 6T2
(GENERATOR CABINET) IS ON.
INTERNAL PARTS OF THE GENERATOR (ALL FUSES, LINE
CONTACTOR (6K5), INPUT TRANSFORMER (6T2), ON/OFF
RELAY (3K3) AND LF-RAC MODULE) ARE PERMANENTLY
POWERED ON THROUGH POWER LINE ALTHOUGH THE
CONTROL CONSOLE IS OFF. BE SURE THAT THE SAFETY
SWITCH IS OFF BEFORE HANDLING ANY INTERNAL PART
OF THE EQUIPMENT.
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