Active Filter Door Components And Protective Grid - ABB PQFS Installation, Operation And Maintenance Instructions

Must be High (H) for the units that are at the extremity of the CAN bus
(maximum 2 units in a multi-unit filters, typically the first one and the last
one of the chain). This setting is also applicable to single-unit filters.
Must be Low (L) for units in the middle of a chain.
The default factory setting is H.
Remark:
(a)
For physical locations of customer CT connection terminals, please refer to
4.6.2

Active filter door components and protective grid

The active filter master panel door contains the PQF-Manager and a protective grid
connected to the filter frame. At the bottom of the protective grid a cooling fan is
mounted.
Manual Power Quality Filter PQFS  Hardware description 29
Figure 14
, item 4.