Goodrive270 series VFD for fan and pump Safety precautions
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 Protect the VFD against physical shock or vibration during the delivery and installation.
 Do not carry the VFD only by its front cover as the cover may fall off.
 The installation site must be away from children and other public places.
 When the altitude exceeds 1000m, derate by 1% for every increase of 100m.
 Use the VFD in proper environments. (For details, see section 4.2.1 Installation environment.)
 Prevent the screws, cables and other conductive parts from falling into the VFD.
 As leakage current of the VFD during running may exceed 3.5mA, ground properly and ensure
the grounding resistance is less than 10Ω. The conductivity of PE grounding conductor is the
same as that of the phase conductor (with the same cross sectional area).
 R, S and T are the power input terminals, and U, V and W are the output motor terminals.
Connect the input power cables and motor cables properly; otherwise, VFD damage may occur.
1.4.2 Commissioning and running
 Cut off all power supplies connected to the VFD before terminal wiring, and
wait for at least the time designated on the VFD after disconnecting the power
supplies.
 High voltage presents inside the VFD during running. Do not carry out any
operation on the VFD during running except for keypad setup. The VFD control
terminals form extra-low voltage (ELV) circuits. Therefore, you need to prevent
the control terminals from connecting to accessible terminals of other devices
when there is no isolation protection mechanism configured.
 The VFD may start up by itself when power-off restart is enabled (P01.21=1).
Do not get close to the VFD and motor.
 The VFD cannot be used as an "Emergency-stop device".
 The VFD cannot act as an emergency brake for the motor; it is a must to install
a mechanical braking device.
 During driving a permanent magnet SM, besides above-mentioned items, the
following work must be done before installation and maintenance:
 All input power supplies have been disconnected, including the main power
and control power.
 The permanent-magnet SM has been stopped, and the voltage on output
end of the VFD is lower than 36V.
 After the permanent-magnet SM has stopped, wait for at least the time
designated on the VFD, and ensure the voltage between + and - is lower
than 36V.
 During operation, it is a must to ensure the permanent-magnet SM cannot
run again by the action of external load; it is recommended to install an
effective external braking device or cut off the direct electrical connection
between the permanent-magnet SM and the VFD.
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