Sequence of operation – J. T. Eaton Liquid-Cooled Drives LCX9000 User Manual

Page 108

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LCX9000 Liquid-Cooled Drives User Manual

6-2

For more information visit: www.EatonElectrical.com

MN04005001E

January 2007

Sequence of Operation

1. Carefully read the safety instructions in the front of this manual and above and follow

them.

2. After the installation, make sure that:

both the drive and the motor are grounded.

the mains and motor cables comply with the requirements given in Chapter 3.

the control cables are located as far as possible from the power cables (see
Chapter 2) and the shields of the shielded cables are connected to protective ground.
The wires may not touch the electrical components of the drive.

the common inputs of digital input groups are connected to +24V or ground of the
I/O terminal or the external supply.

3. Check liquid cooling connections and system operation.

Open the shut-off valves.

Check the quality and quantity of the cooling liquid (Chapter 2).

Ensure the proper operation of liquid circulation system.

4. Perform the cable and motor insulation checks, see Page 3-11.

5. Check the drive for condensation.

6. Check that all Start/Stop switches connected to the I/O terminals are in Stop position.

7. Connect the drive to mains.

8. Set the parameters of group 1 according to the requirements of your application (see

application manual). At least the following parameters should be set:

motor nominal voltage

motor nominal frequency

motor nominal speed

motor nominal current

You will find the values needed for the parameters on the motor rating plate.

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