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Class 8839 Econoflex™ AC Drives
Factory Modifications
188
09/2003
© 2000–2003 Schneider Electric All Rights Reserved
FACTORY MODIFICATIONS
The tables below define the factory modifications.
Control Options
Mod Door-mounted Controls
A07
Hand-Off-Auto selector switch, Speed Potentiometer
• Hand mode is for local control.
— In Bypass operation, as soon as Hand mode is
selected, the motor will start with a full-voltage across
the line start.
— In AFC operation, as soon as Hand mode is selected,
the power converter starts the motor. The manual
speed potentiometer is used to control the speed of the
drive controller.
• Auto mode is for remote control.
— In Bypass operation, a full-voltage across-the-line start
will occur when the user-supplied run contact is closed.
— In AFC operation, the power converter starts the motor
when the user-supplied run contact is closed. Motor
speed is varied by adjusting the user-supplied auto
speed reference 4-20 mA signal or a 0-10 Vdc signal if
Mod J09 is selected.
• Off commands the motor to stop. Set to the off position for
fault reset.
B07
Hand-Off-Auto selector switch, Start-Stop pushbuttons,
Speed Potentiometer
• Hand mode is for local control.
— In Bypass operation, when Hand mode is selected, the
motor will start with a full-voltage across the line start
when the start pushbutton is pressed.
— In AFC operation, when Hand mode is selected, the
power converter starts the motor when the start
pushbutton is pressed. The manual speed
potentiometer is used to control the speed of the drive
controller.
• Auto mode is for remote control.
— In Bypass operation, a full-voltage across-the-line start
will occur when the user-supplied run contact is closed.
— In AFC operation, the power converter starts the motor
when the user-supplied run contact is closed. Motor
speed is varied by adjusting the user-supplied auto
speed reference 4-20 mA signal or a 0-10 Vdc signal if
Mod J09 is selected.
• Off commands the motor to stop. Set to the off position for
fault reset.
• The start pushbutton starts the motor in Hand mode.
• The stop pushbutton stops the motor in Hand mode. The
stop pushbutton is not active in the Auto mode.