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Use and Maintenance Manual
Residential Vacuum Units
7. Safety Compontents
7.1 Protection Fuse
All main vacuum units are protected by a fuse that interrupts the power supply to the motor in case of
malfunctions or electrical problems.
To replace the fuse, unscrew the fuse-holder located above the power supply cable (see Fig. 2 - chap. 2.3).
Caution
the fuse replacement is an operation that only a service centre can perform. The
service centre will replace it with a short-burn fuse. Consult the chap. 2.2.
7.2 Cut-out breaker against overheating
All main vacuum units are fitted with a thermal cut-out breaker that stops the motor in case of overheating.
In case of unit stop due to thermal cut-out breaker, allow the motor to cool down to normal operating
temperature (about 25-30 minutes).
Then trace the cause of overheating (e.g. clogged filter, full dust container, partial obstruction of a brush or
flexible hose, etc).
To restore power to the control unit must send a new wireless control or remove and reinsert the working
tube from the intake inlet.
7.3 Protection for accidental starts
This protection system, stops the operation of the control unit if the same receives more than eight
commands on / off in a minute, see chap. 5.6.2.
7.4 Suction prevention of a system obstructed
In the case of operation with all the suction inlet are closed, the main control unit, will turn off
automatically, see chap. 5.6.2.
>>> Safety Components
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