La Marzocco kb90 Series, Manual

Page: 15 / 144

EN
15
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;
6) 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.
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