TOSHIBA
2.2
Operating Safety Precautions
1)
Do not apply power and attempt to use the inverter until this entire operation
manual has been carefully reviewed.
2)
The input voltage must be /-10% of the specified input voltage. Voltages
outside of this permissible tolerance range may cause internal protection
devices to turn on or can cause damage to the unit. Also, the input frequency
should be /-2 Hz of the specified input frequency.
3)
Do not use this inverter with a motor whose rated input is greater than the rated
inverter output.
4)
This inverter is designed to operate NEMA B motors. Consult the factory before
using the inverter for special applications such as an explosion proof motor or
one with a repetitive type piston load.
5)
Do not touch any internal part with
power applied to the inverter. First
remove the source power and check that the charge and power LED's are out.
A hazard exists temporarily for electrical shock even if the source power
is removed.
6)
Do not apply commercial power to the output terminals T1 (U), T2 (V), or T3 (W)
even if the inverter source power is off. Disconnect the inverter from the motor
before applying a test or bypass voltage to the motor.
7)
Do not operate this unit with the cabinet door open.
8)
Use caution when setting output frequency. Overspeeding of the motor can
cause serious damage to the motor and/or the driven load equipment.
9)
Use caution when setting the acceleration and/or deceleration time.
Unnecessarily short acc/dec time can cause undue stress and tripping of the
drive.
10)
Interface problems can occur when this inverter is used in conjunction with
some types of process controllers.
Signal isolation may be required to
prevent controller and/or inverter damage.
Contact Toshiba or the process controller manufacturer for further
information about compatibility and signal isolation.
11)
Use red STOP or OFF button on inverter keypad to stop the motor.
Use the
input circuit breaker for an emergency stop only.
12)
Only qualified personnel should have access to the adjustments and
operation of this equipment. They should be familiar with the drive operating
instructions and with the machinery being driven.
13)
Only properly trained and qualified personnel should be allowed to service
this equipment.
14)
Follow all warnings and precautions; do not exceed equipment ratings.
2 - 2
DANGER
CAUTION
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