La Marzocco kb90 Series, Manual

Page: 20 / 144

EN
20
1) Cleaning groups and drain wells
- Put a tablespoon of detergent powder
for coffee machines into the blind filter,
supplied with the machine, and tighten it
onto the group you want to clean by using
a normal filter holder.
- Activate the automating rinsing
(backflushing) routine (see the Software
Programming Manual for more detailed
instructions).
- Rinse the group using a normal filter, by
running hot water through it several times
6. Maintenance and Periodic Cleaning Operations
WARNING
The machine must be installed so
that qualified technical presonnel
can easily access it for eventual
maintenance.
WARNING
Jets of water should not be used
to clean the machine, nor should
it be placed where water jets are
used.
WARNING
This machine is for professional
use only and should be installed
in locations where its use and
maintenance is restriced to
trained personnel.
WARNING
The machine is intended to be
permanently connected to fixed
wiring, and it is advisable that
a residual current device (RCD)
with a rated residual operating
current not exceeding 30mA is
installed.
WARNING
The machine must not be dipped
in, nor splashed with, water in
order to clean it. For cleaning
operations, please follow the
instructions listed below very
carefully.
WARNING
In order to prevent cracks or
leakage: do not store or install
the coffee machine in places
where temperature may cause
water in boiler or hydraulic
system to freeze.
WARNING
Do not remove the filter holder
while relative group is brewing
hot liquids.
The Coffee Boiler contains
water at elevated temperature.
Water temperature over 125°F
/ 52°C can cause severe
burns instantly or death from
scalding.
WARNING
If the above-mentioned
instructions are not adhered
to the manufacturer cannot be
held responsible for damage to
persons or things.