Precautions - Powtran PI9000-S Series User Manual

and noise
Output side
with piezo-
resistor or
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capacitor for
improving
power factor
Contactor or
switch used in
7
the inverter
input/output
terminals
Use other
8
than the rated
voltage
Never change
3-phase input
9
to 2-phase
input
Lightning
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surge
protection
High altitude
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and derating
application
12
Special use

Precautions

for scrap
13
disposal of
the inverter
Adaptive
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motor
Chapter1.Inspection and Safety Precautions
certain amount of harmonics, so the temperature rise, noise
and vibration of motor show a slight higher than frequency
power frequency operation.
The inverter output is PWM wave, if the piezo-resistor for
lightning protection or the capacitor for improving power
factor is installed in the output side, which easily cause the
inverter instantaneous over-current or even cause damage to
the inverter. Please do not use.
If contactor is installed between power supply and inverter,
the contactor is not allowed to start/stop the inverter.
Necessarily need to use the contactor to control the inverter
start/stop, the interval should not be less than one hour.
Frequent charging and discharging may reduce the service
life of the inverter capacitor. If the contactor or switch is
equipped between output terminals and motor, the inverter
should be turned on/off without output status, otherwise
which easily lead to damage to the inverter module.
PI series inverter is not suitable for use beyond the allowable
operating voltage described in this manual, which easily
cause damage to the parts inside inverter. If necessary, please
use the corresponding transformer to change voltage.
Never change PI series 3-phase inverter to 2-phase one for
application. Otherwise it will lead to malfunction or damage
to the inverter.
The series inverter is equipped with lightning over-current
protection device, so it has the ability of self-protection to
lightning induction. For the area where lightning is frequent,
user should also install the extra protection in the front of the
inverter.
When the inverter is used in areas over 1000m altitude, it is
required to reduce frequency because the thin air will
decrease the cooling effect of inverter. Please consult our
technician for details on the application.
If the user need to use methods other than the suggested
wiring diagram provided in this manual, such as common DC
bus, please consult our technician.
When electrolytic capacitors on the main circuit and printed
circuit board as well as plastic parts are burned, it may produce
toxic gases.Please disposing as industrial waste.
1) Standard adaptive motor shall be four-pole asynchronous
squirrel-cage induction
synchronous motor. Apart from the said motors, please select
the inverter according to the motor rated current.
2) The cooling fan and the rotor shaft for non-inverter motor
are coaxially connected, the fan cooling effect is reduced
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motor or permanent magnet