Remove the front cover.12
3.
13.
7.
9.
11.
These PCB have white colored connectors (see Fig. Discharge the tools and yourself by
touching earth (if you are not earthed). Please note that
the gate cable connections are different the new PCB, Check this following the cable colors figure 6
below.
4. Mount the new PCB.
Please note that the gate wires have a
new connection position -
See colour marking Fig.Start here if
Replacing PCB marked Rev revision (Not valid for 690V). Discharge the package with the new PCB
by moving earth.
Step step.
8.
Fig. Remove the old PCB. Mount also the connector for Supply
Voltage.
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!!
-. Disconnect all cables from the terminals to.5) for the gate wires and other internal connections. Connect the voltage and the other cable.
Fig. New PCB rev later
PS make sure that you are placing the jumper for supply voltage the
correct position, 110 120V 220 240V. Mount the cable the PCB from the
thyristors, fans and thermal switch.
10.
2.
This chapter valid replacing broken with newer revision (rev later) PCB.
5.
1.
6. Older PCB with connectors. 6. Disconnect the cable the PCB from the
thyristors, fans and thermal switch. Mount the front cover.. Disconnect the voltage from terminals 1L1,
3L2 and 5L3 (main supply)
