La Marzocco Linea PB, Operating Manual

Page: 9 / 64

EN
8
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.
3) 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.
3) Waste water drain connection
The espresso machine drain is to be
connected by means of the included
reinforced plastic tubing. Connect one end
of the reinforced plastic tubing to the drain
hose connection on the left side of the
espresso machine, secure with included
hose clamp. Connect the other end to a
suitable waste water collection system.
In case such a system is not available,
drained liquids may be collected in a
suitable bucket and any necessary drain
pipe extensions shall be made using steel-
lined PVC tubing and suitable hose clamps.
WARNING
HAZARDOUS VOLTAGE!
DISCONNECT FROM
POWER SUPPLY BEFORE SERVICING
CAUTION
BEFORE MAKING ANY ELECTRICAL CON-
NECTIONS MAKE SURE THAT THE 2 STRAIN
RELIEF CONNECTORS ARE FIRMLY SECURED
TO THE BODY OF THE MACHINE IN ORDER
TO PREVENT INADVERTENT STRESS ON THE
POWER CABLES.
THE MOTOR PUMP MUST BE SITUATED
CLOSE TO THE MACHINE IN AN ACCESSIBLE
PLACE FOR MAINTENACE BUT NOT FOR
ACCIDENTAL INTERFERENCE AND WHERE
THERE IS AN OPTIMAL AIR CIRCULATION
WARNING
THE MOTOR PUMP MUST BE SITUATED
CLOSE TO THE MACHINE IN AN ACCESSIBLE
PLACE FOR MAINTENACE BUT NOT FOR
ACCIDENTAL INTERFERENCE AND WHERE
THERE IS AN OPTIMAL AIR CIRCULATION
WARNING
REPLACE FUSES WITH THE SAME SIZE, TYPE
AND RATING F1 = 2A, 250V
WARNING
- U.S.A. AND CANADA ONLY -
DO NOT CONNECT TO A CIRCUIT OPERATING AT
MORE THAN 150V TO GROUND ON EACH LEG.
WARNING
IN ORDER TO PREVENT CRACKS OR LEAK-
AGE: DO NOT STORE OR INSTALL THE
COFFEE MACHINE IN PLACES WHERE TEM-
PERATURE MAY CAUSE WATER IN BOILER OR
HYDRAULIC SYSTEM TO FREEZE.
WARNING
THE MANUFACTURER DECLINES ANY RE-
SPONSIBILITY FOR ANY EVENT LEADING TO
LIABILITY SUITS WHENEVER GROUNDING HAS
NOT BEEN COMPLETED ACCORDING TO CUR-
RENT LOCAL, NATIONAL, AND INTERNATION-
AL REGULATIONS AND ELECTRICAL CODES,
OR OTHER ELECTRICAL PARTS HAVE BEEN
CONNECTED IMPROPERLY.