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NFX9000 Adjustable Frequency Drives
MN04002003E
For more information visit:
www.EatonElectrical.com
iii
February 2006
Safety
Read this manual thoroughly and make sure you understand the procedures before you
attempt to install, set up or operate this Cutler-Hammer
®
NFX9000 Adjustable Frequency
Drive from Eaton’s electrical business.
Definitions and Symbols
WARNING
This symbol indicates high voltage. It calls your attention to items
or operations that could be dangerous to you and other persons
operating this equipment. Read the message and follow the
instructions carefully.
This symbol is the “Safety Alert Symbol.” It occurs with either of
two signal words: CAUTION or WARNING, as described below.
WARNING
Indicates a potentially hazardous situation which, if not avoided,
can result in serious injury or death.
CAUTION
Indicates a potentially hazardous situation which, if not avoided,
can result in minor to moderate injury, or serious damage to the
product. The situation described in the CAUTION may, if not
avoided, lead to serious results. Important safety measures are
described in CAUTION (as well as WARNING).
Hazardous High Voltage
WARNING
Motor control equipment and electronic controllers are connected
to hazardous line voltages. When servicing drives and electronic
controllers, there may be exposed components with housings or
protrusions at or above line potential. Extreme care should be taken
to protect against shock.
• Stand on an insulating pad and make it a habit to use only one
hand when checking components.
• Always work with another person in case an emergency occurs.
• Disconnect power before checking controllers or performing
maintenance.
• Be sure equipment is properly grounded.
• Wear safety glasses whenever working on electronic controllers
or rotating machinery.
