SECTION 3 - CHASSIS & TURNTABLE
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Lithium Powered Unities
36V Lithium Battery System
System Function
The level of charge of the lithium pack is shown by the
icon on the right lower corner of the display, while more
detail are reachable in service menu input SOC (State Of
Charge).
With the State of Charge (SOC) lower than 21%, the
remote control beeper is activated to inform the operator
that battery pack need to be charged.
When SOC is lower than 11%, inverter feeds the electric
motor to run at half of the usual revs speed.
When SOC is lower than 6%, inverter feeds the electric
motor to run at lowest rev speed, and the following icon
are displayed o remote control display:
With SOC at 0%, the machine could not be operate and
the icon "CONNECT TO THE ELECTRIC GRID” is displayed in
the middle of the remote control display.
Lithium Cells
Lithium cells are managed by BMS (Battery Management
System) that continuously manages charge and discharge
operations, monitors cells parameters including their ten-
sions and their temperatures, while in case of failure opens
the internal contactor insulating the Lithium pack.
Battery Charger
The on-board battery charged is activated when its
plugged, if present it has to be used the plug fitted on the
lithium pack, otherwise the one close to the magneto-
thermal switch.
DC-DC Transformer
The Lithium system works at 36 nominal Volt, while the
machine electrical components and electronic system
electronic boards are feed at 12 Volt, so Lithium system
includes a DC-DC transformer that convert the 36 Volt into
12 Volt.
Machine is equipped with a lead battery 12 Volt required
to switch ON the Lithium system.
“EXTRA LOW SPEED” ICON
“CONNECT TO THE ELECTRIC GRID” ICON
Number of cells in the battery pack
24 cells, 12 couples of cells
connected in series
Nominal voltage of each cell
3 Volt
Capacity of one cell
50 Amps/h
Nominal features of the complete pack
36 Volt -100 Amps/h
Max cell nominal voltage
3,7 Volt
Min cell operating voltage
2,5 Volt
DOD
90%
Charge cycles
2000 full cycles
Memory effect
NO
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