This chapter valid replacing broken with newer revision (rev later) PCB.. Mount also the connector for Supply
Voltage. Discharge the package with the new PCB
by moving earth.
Fig. Disconnect the voltage from terminals 1L1,
3L2 and 5L3 (main supply). 6.
11.
4.
Fig.12
3.
8. Disconnect all cables from the terminals to. Remove the front cover.Start here if
Replacing PCB marked Rev revision (Not valid for 690V). Older PCB with connectors.
9.5) for the gate wires and other internal connections.
Please note that the gate wires have a
new connection position -
See colour marking Fig. Mount the cable the PCB from the
thyristors, fans and thermal switch. Remove the old PCB. Mount the front cover.
7. Connect the voltage and the other cable.
5.
6.
10.
1. Mount the new PCB. Please note that
the gate cable connections are different the new PCB, Check this following the cable colors figure 6
below.
13.
These PCB have white colored connectors (see Fig. Disconnect the cable the PCB from the
thyristors, fans and thermal switch. New PCB rev later
PS make sure that you are placing the jumper for supply voltage the
correct position, 110 120V 220 240V.
Step step.
2.
Also make sure that you have connected the cables from the thyristors
in the correct position differ from the old PCB DS
Ready for start!!
-. Discharge the tools and yourself by
touching earth (if you are not earthed)
