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Converter module
Replacing the converter module
￭
WARNING!
Only qualified electricians are allowed to do this work. Read the complete safety
instructions of the converter. If you ignore the instructions, physical injury, death,
or damage to the equipment can occur.
WARNING!
If you ignore the following instructions, physical injury, death, or damage to the
equipment can occur:
•
The modules are heavy and have a high center of gravity. They topple over
easily if handled carelessly.
•
When removing a module, pull the module carefully out of the cubicle along
the installation stand. Prevent the module from falling.
•
Keep your fingers away from the edge of the module front plate to avoid
pinching them between the module and the cubicle.
•
Use protective gloves! The edges of the module are sharp!
•
Use protective eyewear when working with the liquid cooling system.
•
Beware not to drop the screws inside the module!
•
Do not tilt the module. Do not leave the module unattended on a sloping floor.
1.
Disconnect the converter from the all power sources and make sure it is safe to start
the work. See the safety instructions. Secure the main circuit breaker [Q1] to the
disconnected position. If the disconnecting equipment is located outside the cabinet,
make sure that it is in the disconnected position.
Close the inlet and outlet valves of the liquid cooling unit, and drain the cooling circuit.
See the instructions on draining the internal cooling circuit.
2.
Open the door of the module cubicle.
3.
Remove the shrouds on top and bottom of module cubicle.
4.
Remove the shroud supports.
5.
Remove the plastic covers in front of the fiber optic cables.
6.
Unplug the fiber optic cables and X50 connectors. Carefully place the cables on top of
the fan.
Maintenance 79
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