Fuji Electric frenic-hvac Instruction Manual page 7

Maintenance and inspection, and parts replacement
• Before proceeding to maintenance or inspection, turn OFF the power and wait at least 10 minutes.
Further, make sure, using a multimeter or a similar instrument, that the DC link bus voltage between the
terminals P(+) and N(-) has dropped to the safe level (+25 VDC or below).
Otherwise, an electric shock could occur.
• Maintenance, inspection, and parts replacement should be made only by qualified persons.
• Take off the watch, rings and other metallic objects before starting work.
• Use insulated tools.
Otherwise, an electric shock or injuries could occur.
• Never modify the inverter.
Doing so could cause an electric shock or injuries.
Disposal
• Treat the inverter as an industrial waste when disposing of it.
Otherwise injuries could occur.
Drawings in this manual may be illustrated without covers or safety shields for explanation of detail parts.
Restore the covers and shields in the original state and observe the description in the manual before starting
operation.
Icons
The following icons are used throughout this manual.
This icon indicates information which, if not heeded, can result in the inverter not operating to full
efficiency, as well as information concerning incorrect operations and settings which can result in
accidents.
This icon indicates information that can prove handy when performing certain settings or operations.
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This icon indicates a reference to more detailed information.
GENERAL PRECAUTIONS
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