Chapter 1 Safety
1.1 Safety
Operations without following
instructions can cause personal injury
or death.
Operations without following
instructions can cause moderate injury
or damage the products or other
equipment
1.2 Notes for Installations
· Please install the drive on fire-retardant material like
metal, or it may cause fire.
· Keep the drive away from combustible material and
explosive gas, or it may cause fire.
· Only qualified personnel shall wire the drive, or it
may cause electric shock.
· Never wire the drive unless the input AC supply is
totally disconnected, or it may cause electric shock.
· The drive must be properly earthed to reduce
electrical accident
· Install the cover before switching on the drive, to
reduce the danger of electric shock and explosion.
· For drives that have been stored for longer than 2
years, increase its input voltage gradually before
supplying full rated input voltage to it, in order to avoid
electric shock and explosion
· Don't touch the live control terminals with bare
hands
· Don’t operate the drive with wet hands
· Perform the maintenance job after confirming that
the charging LED is off or the DC Bus voltage is
below 36V, or it may cause electric shock.,
· Only trained professionals can change the
components, it is prohibited to leave wires or metal
parts inside the drive so as to avoid the risk of fire.
· Parameter settings of the control panel that has
been changed must be revised, otherwise accidents
may occur.
· The bare portions of the power cables must be
bound with insulation tape
· Don’t carry the drive by its cover. The cover can not
support the weight of the drive and may drop.
· Please install the drive on a strong support, or the
drive may fall off.
· Don’t install the drive in places where water pipes
may leak onto it.
· Don't allow screws, washers and other metal foreign
matters to fall inside the drive, otherwise there is a
danger of fire or damage;
· Don't operate the drive if parts are damaged or not
complete, otherwise there is a danger of a fire or
human injury;
· Don't install the drive under direct sunshine,
otherwise it may be damaged;
· Don’t short circuit +//B1 and terminal (-), otherwise
there is a danger of fire or the drive may be damaged.
· Cable lugs must be connected to main terminals
firmly
· Don’t apply supply voltage (AC 220V or higher) to
control terminals except terminals R1a, R1b and R1c.
·B1 and B2 are used to connect the brake resistor, do
not shortcut them, or the brake unit may be damaged
1.3 Notes for Using FV20
Pay attention to the following issues when using
FV20.
1.3.1 About Motor and Load
Compared to the power frequency operation
FV20 series drives are voltage type variable
frequency drive. The output voltage is in PWM wave
with some harmonics. Therefore, temperature rise,
noise and vibration of motor are higher compared to
the power frequency.
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