Electrical System 43Service Manual – SCRUBTEC R466 ... FOCUS II Micro Rider
Electrical System
Functional Description
The batteries (two 12V or four 6V) are connected in series by bridge cables.
The battery charger (CH) is connected to the machine by two connectors (C) (power connection to the batteries)
and C3 (3-way signal connection). The grey cables (terminals 1 and 2 of connector C3) are short-circuited in
battery charger CH when it is not connected to the electrical mains. If this connection is not made, all machine
functions are disabled.
If the optional battery charger has not been installed, the relevant bridge must be used on connector C3.
The yellow cable (terminal 3 of connector C3) is the data cable between board EB1 and battery charger CH.
This connection is used to set battery charger charging curves directly on the machine dashboard (see User
Manual) and displays the state of the battery charger when charging, on the 3 battery dashboard LEDS:
Red LED lit = main charging phase
Yellow LED lit = equalization phase (charge completion)
Green LED lit = charging phase successfully completed
Wiring Diagram
Power supply for key circuit
Return from key
Consent for battery charger
Enabling from battery charger
Battery charger data communication
24 V battery
box (BAT)
Main electronic
board fuse (F2)
Function
electronic
board (EB1)
Signal circuit
fuse (F3)
Ignition
switch (K1)
Battery
charger (CH)
P100699
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