ACH580 E-Clipse bypass and packaged drive user manual
209
Technical data
Motor connections
Motor Terminals
See
on page
Bypass Contactors
The bypass circuit available with the ACH580 E-Clipse Bypass includes two
contactors. One contactor is the bypass contactor (2M) that can be used to manually
connect the motor directly to the incoming power line in the event that the ACH580 is
out of service. The other contactor is the ACH580 output contactor (1M) that
disconnects the ACH580 from the motor when the motor is operating in the Bypass
mode. The drive output contactor and the bypass contactor are interlocked to
prevent “back feeding,” applying line voltage to the ACH580 output terminals.
Motor Overload Protection
Motor overload protection is set using the ACH580 drive control panel. Refer to the
ACH580 HVAC control program firmware manual
(3AXD50000027537). The
overload protection parameters set on the ACH580 drive are used by both the drive
and the bypass.
In the
Drive
mode, motor overload protection is provided by the ACH580.
In the
Bypass
mode, motor overload protection is provided by the bypass control
board.
WARNING!
If power is applied and the switches and contacts in the control circuit
are commanding the motor to run, the motor will start as soon as the overload
protection is reset.
Use caution when resetting the overload protection to make sure it is safe to start the
motor.
Maximum recommended motor cable length
Operational functionality and motor cable length
The drive is designed to operate with optimum performance with maximum motor
cable lengths found in the
ACH580-01 Hardware Manual
(3AXD50000044839) or
ACH580 Installation, Operation and Maintenance Manual
(3AXD50000049127).
Содержание ACH580 Series
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