Disconnect all cables from the terminals to. Discharge the package with the new PCB
by moving earth. New PCB rev I
or later. DS
Ready for start!!
-. Remove the old PCB.
5.7) for the gate wires and other internal connections. Mount the cable the PCB from the
thyristors, fans and thermal switch.
PS make sure that you are placing the jumper for supply voltage the
correct position, 110 120V 220 240V. Remove the front cover.
1.
4.
10.
Fig.Start here if
Replacing PCB marked Rev later (also for 690V Rev I)
These PCB have white colored connectors (see Fig. Discharge the tools and yourself by
touching earth (if you are not earthed). Mount the new PCB.
11.12. Disconnect the cable the PCB from the
thyristors, fans and thermal switch.
6.
This part valid replacing broken PCB with new PCB with the same revision newer,
Step step.
2.
8. Mount the front cover.
See Fig 6
9. Disconnect the voltage from terminals 1L1,
3L2 and 5L3 (main supply).
3.
7.
Mount also the connector for Supply
Voltage. Connect the voltage and the other cable
