Care, Maintenance And Disposal; Safety; General - Fronius CU 1100i Operating Instructions Manual

Care, maintenance and disposal

Safety

Danger due to work that has been carried out incorrectly.
All the work described below must only be carried out by trained and qualified personnel.
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Danger from electric current.
An electric shock can be fatal.
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Danger from inadequate ground conductor connection.
This can result in serious injury and damage to property.
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Danger from hot coolant.
This can result in severe scalds.
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Risk from coolant leakage.
This can result in serious damage to property.
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General

Under normal operating conditions, the device requires only a minimum of care and
maintenance. However, it is vital to observe some important points to ensure the welding
system remains in a usable condition for many years.
WARNING!
Fully read and understand this document.
Fully read and understand all the Operating Instructions for the system components,
especially the safety rules.
WARNING!
Turn the power source mains switch to the "O" position.
Disconnect the power source from the mains.
Ensure that the power source remains disconnected from the mains until all work
has been completed.
After opening the device, use a suitable measuring instrument to check that electric-
ally charged components (e.g. capacitors) have been discharged.
WARNING!
The housing screws provide a suitable ground conductor connection for earthing the
housing and must NOT be replaced by any other screws that do not provide a reli-
able ground conductor connection.
CAUTION!
Wait until the coolant has cooled down before carrying out any of the activities
described below.
CAUTION!
Make sure that no coolant gets into the device.
If there is any coolant on the exterior of the cooling unit, remove it immediately.
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