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EN
7
Espresso Machine Installation, GS/3
1) Fill Water reservoir with potable water.
Remove the drain tray and slide the
water reservoir until the water reservoir
ll cover is accessible. Remove the cover
and ll water reservoir with potable water.
Replace the ll cover and slide the water
reservoir to the operating position and
replace the drain tray. (See GS/3 Software
and Installation Guide for additional
instructions). In order to connect the
machine up to the water mains proceed
according to the indications given in the
Installation Guide and in compliance with
any local/national safety standards of the
location in which the machine is being
installed.
To guarantee a correct and safe functioning
of the machine and to maintain an
adequate performance level and a high
quality of the beverages being brewed it
is important that the incoming water be
of a hardness greater than 7°f (70ppm,
4°d) and less than 10°f (100ppm, 6°d),
pH should be between 6.5 and 8.5 and
the quantity of chlorides be less than
50mg/l . Respecting these values allows
the machine to operate at maximum
efciency. If these parameters are not
present, a specic ltration device should
be installed, while always adhering to the
local national standards in place regarding
potable water.
In order to enable
you to check
if your water
supply is within
the suggested
ranges, La
Marzocco
machines will be
equipped with
two units of a
quick water test
kit (see image
below) including
6 test-strips and
instruction cards.
The parameters that you can measure are
Total Hardness, Total Iron, Free Chlorine,
Total Chlorine, pH & Total Alkalinity,
Chlorides.
Ideally, you should perform a test on the
water BEFORE the water treatment system
and again AFTER the water system in
order to verify if this is actually matching
our suggested ranges.
Once the test has been performed,
learn which treatment system is most
appropriate for your particular water supply
by lling out the online water calculator
on our website: LA MARZOCCO WATER
CALCULATOR (http://www.lamarzocco.
com/water_calculator/).
2) Connect Espresso Machine to Power Supply.
Connect the espresso machine to a power
supply that is rated in accordance with the
serial plate on the espresso machine.
3) Filling the Boilers with Water.
Once the espresso machine has been
unpackaged, placed on a hard surface,
and with the water reservoir full, it will
be necessary to ll the boilers with water.
Complete the following steps to properly
ll the boiler tanks:
Steam Boiler: Turn the main switch to
position “1” or ON, the automatic steam
boiler level system will be switched on,
activating the auto-ll solenoid valve and
the water pump. This will ll the steam
4. Installation
WARNING
THE COFFEE MACHINE MUST BE PLACED IN A
HORIZONTAL POSITION ON A COUNTER HIGHER THAN 80
CM FROM THE GROUND
WARNING
THE MACHINE IS INTENDED TO BE PERMANENTLY
CONNECTED TO MAINS POWER SUPPLY.
IT IS MANDATORY THAT A RESIDUAL CURRENT DEVICE
(RCD) WITH A RATED RESIDUAL OPERATING CURRENT NOT
EXCEEDING 30 mA IS INSTALLED.
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