Step step..
5. Mount the front cover. Remove the front cover.
This chapter valid replacing broken with newer revision (rev later) PCB.
9.
11.
Please note that the gate wires have a
new connection position -
See colour marking Fig. Discharge the package with the new PCB
by moving earth. New PCB rev later
PS make sure that you are placing the jumper for supply voltage the
correct position, 110 120V 220 240V. Mount also the connector for Supply
Voltage.
1.
7.
13.12
3.
8. Mount the new PCB.
10.
4. 6.
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 the voltage from terminals 1L1,
3L2 and 5L3 (main supply). Older PCB with connectors.
These PCB have white colored connectors (see Fig. Disconnect all cables from the terminals to.
2.
6.5) for the gate wires and other internal connections. 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.
Fig. Connect the voltage and the other cable.Start here if
Replacing PCB marked Rev revision (Not valid for 690V). Disconnect the cable the PCB from the
thyristors, fans and thermal switch. Remove the old PCB.
Fig. Mount the cable the PCB from the
thyristors, fans and thermal switch
