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Safety
1.6
Operational safety and special dangers
– Pay attention to the safety and warning notes in the following chapters of this manual to
minimize health hazards and to avoid dangerous situations.
The following instructions are to be adhered for your own safety and the safety of
the unit:
Electric
potential
Improper
operation
8
DANGER!
Danger to life due to electric potential!
Contact with live components can be fatal.
Damage of the insulation of the individual components can be
dangerous to life.
Therefore:
-
For switching off the mains, the power supply cable must be
equipped with a fuse with a contact opening width corresponding
to the requirements of the excess voltage category III for total
disconnection.
-
Disconnect the unit from the mains before carrying out any work
on it (switch off the fuse in the distribution box) and secure
against restarting. Check for zero potential. The control device
should be disconnected from the mains before opening the casing.
-
In case of damage to the insulation, switch off the power supply
immediately and carry out the repair.
-
Work on electrical unit should be carried out by certified
electricians only.
-
Never bypass fuses or put them out of operation.
-
While replacing fuses, pay attention to correct current
specifications.
-
Keep moisture away from live components, since it can lead to
short circuit.
WARNING!
If a short circuit occurs in a 230V/400V load, the relay contact can
be welded by the high short-circuit current. Is turned on before
removing the short circuit, the safety relay can be also welded.
This can lead to the continuous operation of the load. Turn off the
circuit breaker in the distribuition box. Send the unit back to the
factory for check/repair.
WARNING!
Improper operation can result in serious injuries!
Therefore:
read and note the operating manual.
Installation instructions Sauna control Series FCUxx00 / Version V 2.27
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