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Nilfisk-Advance SC6500 45C User Manual

Nilfisk-Advance SC6500 45C
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Electrical System 59Service Manual – SC6500
Electrical System
The electrical system chapter contains information on the battery and electrical components which are
foundational such as circuit protection, wiring harnesses and electrical items that do not have a more clear
home in another chapter. For instance, see the solution system chapter for information on the solution
solenoid.
Functional Description
Overview
This section includes information on battery installation and maintenance, a description of the low-voltage
cut-out function, and descriptions of the battery condition displays.
For information on the A2 Control Board Assembly, refer to the Control System section.
For information on the A1 (Curtis) Speed Controller, refer to the Wheel System, Traction section.
Low-voltage Cut-out Feature
All models discussed in this manual are equipped with a low-voltage cutout feature to prevent over-
discharging of the batteries. When a machine’s battery pack voltage falls below a specically dened
threshold (voltage settings), the scrub system automatically shuts down. The drive motor will still operate in
the low-voltage cut-out mode to allow the machine to be driven to a charging location.
The low-voltage cut-out level is adjustable. The standard lead-acid battery (wet cell) setting is 1.72 volts per
cell. The alternate maintenance-free battery (gel cell) setting is 1.81 volts per cell. The standard lead-acid
battery setting is factory-selected and should be used unless the battery manufacturer species the higher
cut-out voltage.
Service Note: A minimum recharge voltage of 2.13 volts per cell must be reached to allow the
scrub and solution systems to function again (reset). A 36-volt battery pack must
increase to a 38.6-volt minimum.
Battery Condition Indicator
The battery indicator displays the state of battery charge. Five vertical bars indicates a fully-charged
battery after a complete charging cycle. The battery indicator will retain the state-of-charge even if the key
switch has been turned off. The state-of-charge indicator is reset to full charge when the batteries have been
recharged. It is also possible to choose between two different low-voltage thresholds depending on whether
maintenance-free or standard (lead-acid) batteries are being used (Have a qualied service engineer perform
this selection*.)

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Nilfisk-Advance SC6500 45C Specifications

General IconGeneral
BrandNilfisk-Advance
ModelSC6500 45C
CategoryScrubber
LanguageEnglish

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