Commissioning And Operation; Maintenance And Component Replacement - Kruger Ecowatt Drive K120 Series Operation Manual

Ecowatt ® Drive K120 series
 R, S and T are the input terminals of the power supply, while U, V and W are the
motor terminals. Please connect the input power cables and motor cables with
proper techniques; otherwise, the damage to the VFD may occur.

1.3.2 Commissioning and operation

 Disconnect all power supplies applied to the VFD before the terminal
 High voltage is present inside the VFD during running. Do not carry
 The VFD may start up by itself when P01.21=1. Do not get close to the
 The VFD cannot be used as "Emergency-stop device".
 The VFD cannot be used to break the motor suddenly. A mechanical
Note:
 Do not switch on or off the input power supply of the VFD frequently.
 For VFDs that have been stored for a long time, check and fix the capacitance and
try to run it again before utilization.
 Cover the front board before running; otherwise, electric shock may occur.

1.3.3 Maintenance and component replacement

 Only qualified electricians are allowed to perform the maintenance,
 Disconnect all power supplies to the VFD before the terminal wiring.
 Take measures to avoid screws, cables and other conductive
Note:
 Please select proper torque to tighten screws.
 Keep the VFD, parts and components away from combustible materials during
maintenance and component replacement.
 Do not carry out any isolation and pressure test on the VFD and do not measure the
control circuit of the VFD by megameter.
wiring and wait for at least the designated time after disconnecting
the power supply.
out any operation except for the keypad setting.
VFD and motor.
braking device should be provided.
inspection, and components replacement of the VFD.
Wait for at least the time designated on the VFD after disconnection.
matters to fall into the VFD during maintenance and component
replacement.
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Safety precautions