
HF Series Generators
Installation
IN-1052R2 3
1.3 GENERAL CAUTIONS
MAKE SURE THAT THE MAIN STORAGE 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, APPROXIMATELY 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.
TO AVOID ELECTRIC SHOCK, DO NOT TOUCH ANY
HEATSINK OF THE CIRCUIT BOARDS EVEN THE
GENERATOR IS TURNED OFF. PREVIOUS TO
DISASSEMBLE ANY BOARD, REMOVE ALL CONNECTORS
PLUGGED TO IT.
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.