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