La Marzocco LEVA X, Руководство пользователя

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EN
20
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
efficiency. If these parameters are not
present, a specific filtration device should
be installed, while always adhering to the
local national standards in place regarding
potable water.
Then connect the inlet of the water filter/
softener (if present) to the drinking water
supply using one of the supplied stainless
steel braided hoses. Before connecting
the filter to the water pump, flush the
water supply line and the filtration system
in order to eliminate any residual particles
which could otherwise get stuck in taps or
valves thus preventing them from working
properly. Connect the water supply
connection of the espresso machine to
the water pump outlet using one of the
supplied stainless steel braided hoses.
Then connect the water pump inlet to the
water filter/softener outlet (if present).
Note: The water pump is a differential
pressure volumetric pump and has been
designed to be used exclusively with cold
water. Make sure that water is always
present while the pump is operating,
otherwise air can be introduced into the
brew boiler causing an undesireable
condition and the pump can be damaged.
5) Electrical connections
a) Power supply cord
• This is the main power supply cable
that provides power to the entire espresso
machine. There are different types of cable
based upon the electrical requirements of
the espresso machine purchased:
• 200/220VAC 1 Phase 3-core cable
with 4/6/10mm2 cross section or AWG
12/10/8 for 2,3 4 group versions, secured
to espresso machine via a strain relief
connector
• 220VAC 3 Phase 4-core cable with 4
mm2 cross section for 2 , 3 and 4 group
versions, secured to espresso machine via
a strain relief connector
• 380 VAC 3 Phase 5-core cable with
2.5mm2 cross section for 2, 3 and 4 group
versions, secured to espresso machine via
a strain relief connector.
b) Water pump motor power cord
This is the power supply for the water pump
motor. The internal electronics will switch
the pump motor on when needed.
• 3-core cable with 1.5 mm2 cross section
or 3-core AWG 16 (for UL version) secured
to espresso machine via a strain relief
connector.
c) Quick connection between the water pump and
the espresso coffee machine
The electrical connection must be made
through the use of the connectors, as
shown in the following figures:
- View of the connectors;
- Cable connection;
- Cable tightening;
Machine connector Pump connector