VSD Series Drives User Manual Powered by Eaton Technology
7-2 For more information visit: www.johnsoncontrols.com LIT-1201828
November 2009
Sequence of Operation
1. Read and follow all safety precautions.
2. At installation ensure:
a. That the VSD Series drive and motor are connected to ground.
b. That the utility and motor cables are in accordance with the installation and
connection instructions as detailed in Chapter 3.
c. That the control cables are located as far as possible from the power cables as
detailed in Chapter 4 and Table 3-1. That control cable shields are connected to
protective ground. That no wires make contact with any electrical components in
the VSD Series drive.
d. That the common input of digital input groups is connected to 24V DC or ground of
the I/O terminal supply or an external supply as detailed in Chapter 4 and Figure 4-3.
3. Check the quality of the cooling air as detailed in Chapter 2.
4. Check that moisture has not condensed inside the VSD Series drive.
5. Check that all START/STOP switches connected to the I/O terminals are in the STOP
state.
6. Connect the VSD Series drive to the utility and switch the power on.
7. Use start-up wizard. It is active by default, if not keep STOP/RESET button pressed 5
seconds to activate it. Start-up wizard will guide you through correct application-specific
parameter settings, like motor nameplate values etc.
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