Safety instructions 13
WARNING!
• Use extreme caution when manoeuvring heavy converter or filter modules.
• Beware of hot surfaces. Some parts inside the converter cabinet, such as power
modules or crowbar(s), remain hot for a while after the disconnection of input power.
• Pay attention to rotating cooling fans. The cooling fans may continue to rotate for a
while after the disconnection of the electrical supply.
• Make sure that dust from drilling does not enter the converter when installing.
Electrically conductive dust inside the converter cabinet may cause damage or lead to
malfunction.
• Recommendation: Do not fasten the cabinet by riveting or welding. However, if
welding is necessary, ensure that the return wire is properly connected close to the
weld in order not to cause damage to the electronic equipment in the cabinet. Also
ensure that welding fumes are not inhaled.
Grounding
These instructions are intended for all who are responsible for the grounding of the
converter. Incorrect grounding can cause physical injury, death or equipment malfunction
and increase electromagnetic interference.
WARNING!
• Ground the converter, the generator and adjoining equipment to ensure personnel
safety in all circumstances, and to reduce electromagnetic emission and interference.
• Make sure that grounding conductors are adequately sized as required by local safety
regulations.
Note:
• Power cable shields are suitable for equipment grounding conductors only when
adequately sized to meet safety regulations.
General safety
Printed circuit boards
WARNING! The printed circuit boards contain components sensitive to
electrostatic discharge. Wear a grounding wrist band when handling the boards.
Do not touch the boards unnecessarily.
Fiber optic cables
WARNING! Handle the fiber optic cables with care. When unplugging optic
cables, always grab the connector, not the cable itself. Do not touch the ends of
the fibers with bare hands as the fiber is extremely sensitive to dirt. The minimum
allowed bend radius is 35 mm (1.38 in.).
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