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1-8 General Information MN894
Safety Notice This equipment contains voltages that may be as high as 600 volts! Electrical shock can
cause serious or fatal injury. Only qualified personnel should attempt the start-up
procedure or troubleshoot this equipment.
This equipment may be connected to other machines that have rotating parts or parts
that are driven by this equipment. Improper use can cause serious or fatal injury. Only
qualified personnel should attempt the start-up procedure or troubleshoot this equipment.
PRECAUTIONS
WARNING: Do not touch any circuit board, power device or electrical connection before you
first ensure that power has been disconnected and there is no high voltage present
from this equipment or other equipment to which it is connected.
Electrical shock can cause serious or fatal injury.
WARNING: Be sure that you are completely familiar with the safe operation of this equipment.
This equipment may be connected to other machines that have rotating parts or
parts that are controlled by this equipment. Improper use can cause serious or
fatal injury. Only qualified personnel should attempt the start-up procedure or
troubleshoot this equipment.
WARNING: Be sure the system is properly grounded before applying power. Do not apply AC
power before you ensure that all grounding instructions have been followed.
Electrical shock can cause serious or fatal injury.
Caution: To prevent equipment damage, be certain that the electrical service is not capable
of delivering more than the maximum line short circuit current amperes listed for
the control rating.
Caution: Do not “Megger” test the motor while it is connected to the control. Failure to
disconnect motor will result in extensive damage to the control. The control is
tested at the factory for high voltage / leakage resistance as part of Underwriter
Laboratory requirements. Do not megger any part of the control.
Caution: Do not connect power factor correction capacitors to motor terminals. If power
factor correction capacitors are necessary, contact Baldor.
Caution: If a brake motor is used, the initial starting voltage may not be sufficient to release
the brake. It may be necessary to provide separate power for the brake and soft
start control.
Caution: Do not connect AC incoming line power to the Motor terminals T1, T2 and T3.
Connecting AC power to these terminals may result in damage to the control.
Caution: Do not supply any power to the “Close To Run” terminals. Power on these leads
can damage the control. Use a dry contact type that requires no external power to
operate.
Caution: Do not change the position of any switch while power is applied. Changing the
position of a switch during operation can damage the control and cause erratic
behavior of the load.
Caution: To prevent equipment damage, be certain that the electrical service is not capable
of delivering more than the maximum line short circuit current amperes rating.
Caution: This equipment is shipped as a multipurpose apparatus. Before power is applied,
the line voltage selection and the full load current calibration must be correctly set.
Failure to select the proper line voltage or to calibrate the full load current may
cause damage.