NOTE!
COMMENT!
REFERENCE!
1.3 Installation, startup and operation
General hazards and warnings
WARNING!
CALEC
ST II
®
NOTE indicates an action or measure which, if performed
incorrectly, may have an indirect effect on the operation of
the device, or trigger an unexpected response.
COMMENT provides information and recommendations for
efficient and trouble-free operation.
REFERENCE refers to additional documents.
Danger of electrocution!
Touching or gripping live electrical parts can cause an electric
shock, which may result in burns, paralysis or death.
• The device should only be opened, installed or repaired when
the power has been switched off.
• Only specialist technicians are authorised to work on or with
mains voltage.
They must comply with the applicable regulations.
• Only the intended terminals should be used to connect the
device to the mains supply.
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