Manual Power Quality Filter PQFS
Operating instructions 167
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9
Operating instructions
9.1
What this chapter contains
This chapter contains the user operating instructions for the active filter. It is assumed
that the filter has been installed and commissioned correctly (cf. previous chapters). The
following operations are discussed:
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Starting and stopping the filter
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Modifying the user requirements
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Changing the system temperature unit and PQF-Manager contrast
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Consulting filter measurements
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Consulting filter statistics and manufacturer data
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Filter behaviour on faults – retrieving error information
Note that in the context of this manual, the PQF-Manager is used to operate the filter.
Background information on the PQF-Manager can be found in
Chapter 7
Alternative ways to operate the filter are:
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Using the optional PQ-Link software. Refer to the ‘PQ-Link installation and user’s
guide’ for more information on this subject
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Using Modbus RTU communication. Refer to document “2GCS212013A0050-RS-
485 Installation and Start-up guide” for more background information on this
subject and to the information provided by your system integrator.
WARNING: High AC and DC voltage may be present in the filter enclosure. Do not
operate the unit with the protective panels removed. Do not touch any filter parts
unless you have ascertained that they do not carry dangerous voltage levels.
9.2
Starting and stopping the filter
The PQFS contains a main contactor that is controlled by the filter controller. The main
contactor should never be activated manually for normal filter operation.