HV580L Series Frequency Inverter
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● Terminals (+) and (-) of DC bus have residual voltage after the AC drive is switched off. After indicator
CHARGE goes off, wait at least 10 minutes before touching the equipment Otherwise, you may get electric
shock.
● Connecting external braking components for the AC drive of 18.5 kW and above (220 V) and 37 kW and
above (other voltage classes), do not reverse poles (+) and (-). Otherwise, it may damage the AC drive and
even cause a fire.
● The cable length of the braking unit shall be no longer than 10 m. Use twisted pair wire or pair wires for
parallel connection.
● Do not connect the braking resistor directly to the DC bus. Otherwise, it may damage the AC drive and even
cause fire.
3
）
Braking resistor connecting terminals (+), PB:
● 30kW and above (220 V) and 15 kW and the connecting terminals of the braking resistor are effective only
for the AC configured with the built-in braking unit.
● The cable length of the braking resistor shall be less than 5 m. Otherwise, it may damage the AC drive.
4
）
External reactor connecting terminals P, (+):
● For the AC drive of 37 kW and above (220 V) and 75 kW and above (other voltage classes), remove the
jumper bar across terminals P and (+) and install the reactor between the two terminals.
5
）
AC drive output terminals U, V, W:
● The specification and installation method of external power cables must comply with the local safety
regulations and related IEC standards.
● The capacitor or surge absorber cannot be connected to the output side of the AC drive. Otherwise, it may
cause frequent AC drive fault or even damage the AC drive.
● If the motor cable is too long, electrical resonance will be generated due to the impact of distributed
capacitance. This will damage the motor insulation or generate higher leakage current, causing the AC drive
to trip in over current protection. If the motor cable is greater than 100 m long, an AC output reactor must be
installed close to the AC drive.
6
）
Terminal PE:
● This terminal must be reliably connected to the main earthing conductor, ground wire resistance must be
less than 0.1Ω. Otherwise, it may mal-function or even damage to the AC drive.
● Do not connect the earthing terminal to the neutral conductor of the power supply.
● The impedance of the PE conductor must be able to withstand the large short circuit current that may arise
when a fault occurs.
