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