35

6.1 Starting the machine

The control current outlet (low voltage) is connected to a
control current lead running the length of the pipes. Both
ends of the low-voltage lead should be connected to the
connection panel on the vacuum unit. One lead to each outlet.
The central vacuum cleaner’s power cable must be connected
to a 230 volt mains socket. The appliance is double-insulated
and does not need to be earthed.
The vacuum cleaner starts and stops
automatically. When the vacuum hose is connected to a
vacuum socket, (Fig. 17) a metal ring on the end of the hose
closes the control circuit and the vacuum cleaner starts up.
When the hose is removed from the vacuum socket, the
vacuum cleaner stops. You should allow the hose to empty of
dust and dirt before switching the vacuum cleaner off.
If you use a hose with remote control, you can start and stop
the vacuum cleaner using the switch on the handle, Fig. 18.

6.2 Servicing

Always unplug the power cable before doing any service work!
If suction is poor, it indicates that the fl ow of air through the
machine is restricted. This may be due to the following:
• The dust bag is full and should be replaced.
• The fi lter is clogged and should be cleaned of dust.
The vacuum cleaner has a thermal cut-out that trips if the
vacuum cleaner becomes overheated. If this happens - unplug
the main power cored to reset the vacuum cleaner. Wait 5-
10 minutes to allow the machine to cool down. While you are
waiting, check the hose, dust bag and fi lter to be sure that
nothing is blocking the fl ow of air through the machine. The
vacuum cleaner should now start again. If the cut-out trips
again, you need to get a service fi rm to remedy the fault.
The Centix 40/Centix 50 Premium can be run with or
without the installation of a dust bag - the choice is yours.
These products must always be operated with a bag fi lter
fi tted.

6 Operating instructions Centix 40 / Centix 50 Premium

6.3 Centix 50 Premium Display

The Centix 50 Premium model has a display giving information
about the machine, Fig. 19. The display is illuminated and lights
up on start-up. The display remains illuminated for 15 minutes
after the machine has been switched off. This allows you to
check the current status of the machine after it has been in
operation.
The following information is shown on the display:
* Run: Shows the machine’s total operating hours, ie, the
period of time the motor has been in operation. The time is
shown in hours, minutes and seconds. When the machine has
been in operation for approximately 700 hours, it will stop.
You must then make immediate contact with an authorised
service workshop for a replacement motor to be installed. You
can reset the machine temporarily and run the motor for an
additional 100 hours (approximately) by unplugging the power
cable and then reconnecting it to the mains socket. Once you
reach the end of the 100 hours of operating time, the machine
will stop again. It will now be necessary for an authorised
service workshop to replace the motor and reset the clock.
* Filter/Bag: Shows the remaining capacity of the dust bag
and bag fi lter. The indication is shown as a percentage. 0% is
displayed when the bag/bag fi lter is empty. Indication is then
given in increments of 10% at a time. When 90% capacity has
been reached, the display will warn you with the following
fl ashing message: Check fi lter. You should then replace the
dust bag and bag fi lter as soon as possible; see section on fi lter
and dust bag. Once the dust bag has been replaced, reset the
machine by starting it up again. The indication should then
12
Fig. 17
Fig. 18
Fig. 19
Run: 301h 01m 11sFilter / Bag: 80%Filter / Bag: 80%Run: 301h 01m 11s
display 0% again.
The panel on the Centix 50 Premium displays relevant
information about the machine.