Electrical Connections To The Pqf-Manager User Interface - ABB PQFS Installation, Operation And Maintenance Instructions

− Restore the top cover(s) of the filter units

6.12 Electrical connections to the PQF-Manager user interface

The PQF-Manager is the user interface between the outside world and the filter
controller. It is mounted on the filter cover panel. Depending on the user requirements,
less or more electrical connections have to be made to it.
layout of the PQF-Manager. In order to get access to the rear side of the PQF-Manager,
remove the PQFS top cover (Cf. guidelines in
When looking at the PQF-Manager from the rear, on the left side can be found a 15-pole
terminal block and on the right side an 8 pole terminal block (top-right) and a 45-pole
terminal block (bottom right). Intermediate contacts are not used. In order to make
control connections to any of these terminals, the following procedure has to be applied:
1. Push the lever of the connector backwards with a screwdriver.
2. Insert the control wires (from 0.75 mm² to 2.5 mm² single core without cable shoe or
max. 1.5 mm² for multi-strand wire) in the corresponding connection hole while keeping
the pressure on the lever.
3. Release the screwdriver.
4. The wire is then properly connected.
56 Electrical design and installation  Manual Power Quality Filter PQFS
Figure 39: Rear side layout of the PQF-Manager user interface
Figure 39
Section 3.3.)
shows the rear side