White side PST Black side
-.
23. Mount the LV-Board with the six screws.
24.
20. Mount the new HV-Board with the five
screws.
22. careful avoid
damage the pins. Mount the cables from the Display and the
Keypad the LV-Board (new old).
21. Mount the connector.
Be careful how you connect the cables
from the current transformers (correct
phase sequence). Mount the cables from the thyristors and
fans the HV-Board. careful how you
connect the cables from the thyristors. careful
how you connect the Red (L) and Brown
(N) cable.
On PSTB units, reconnect the cables from
the built by-pass contactor. Mount the cables from the thermal switch
and current transformers the LV-Board.19
