New PCB rev I
or later.
4. Disconnect all cables from the terminals to.
1.12.
8.
10.
Fig. Disconnect the cable the PCB from the
thyristors, fans and thermal switch. DS
Ready for start!!
-.
2. Mount the front cover. Mount the new PCB. Disconnect the voltage from terminals 1L1,
3L2 and 5L3 (main supply).Start here if
Replacing PCB marked Rev later (also for 690V Rev I)
These PCB have white colored connectors (see Fig.
3. Discharge the tools and yourself by
touching earth (if you are not earthed).
7. Connect the voltage and the other cable.
5.7) for the gate wires and other internal connections.
11. Mount the cable the PCB from the
thyristors, fans and thermal switch.
See Fig 6
9.
PS make sure that you are placing the jumper for supply voltage the
correct position, 110 120V 220 240V.
This part valid replacing broken PCB with new PCB with the same revision newer,
Step step.
Mount also the connector for Supply
Voltage. Discharge the package with the new PCB
by moving earth. Remove the old PCB.
6. Remove the front cover
