xvi
PowerXL DH1 series variable frequency drives
POWERXL DH1 SERIES ADJUSTABLE FREQUENCY DRIVES
MN040041EN—August 2019 www.eaton.com
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.
Warnings and cautions
This manual contains clearly marked cautions and warnings
which are intended for your personal safety and to avoid
any unintentional damage to the product or connected
appliances. Please read the information included in cautions
and warnings carefully.
WARNING
The relay outputs and other I/O-terminals may have a
dangerous control voltage present even when PowerXL
Series is disconnected from mains.
WARNING
Be sure not to plug the Ethernet/BACnet/IP cable to
the terminal under the keypad! This might harm your
personal computer.
WARNING
Be sure not to plug the Modbus TCP cable to the
terminal under the keypad! This might harm your
personal computer.
CAUTION
Remove external control signal before resetting the fault to
prevent unintentional restart of the drive.