Nilfisk SC750 User Manual

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Service Manual: SC750, SC800, SC 750 ST, SC800 ST

Form Number 56043150 Page 56

S.P.E Battery Charger Details

When the S.P.E baery charger is plugged in, “Non-ST” models will display text on the LCD screen describing the type of

baery charging prole in use. They will aslso communicate charging progress with an ICON on the LCD display. When

the S.P.E. baery charger is plugged in on ST models, charging progress is communicated using the Baery Indicator

LEDs. The charging prole in use is communicated using one of the other control panel LEDs.

ST Charging Prole in Use:

Wet 25A = Vacuum LED

AGM Discover 25A = Scrub High LED

Gel Excide 25A = Scrub Low LED

Gel-AGM 25A = Soluon High LED

Wet 15A = Soluon Medium LED

Gel-AGM 15A = Soluon Low LED

The S.P.E. baery charger and Main Machine Controller communicate with one another on the WHT/BLU wire that runs

between them. (This same circuit is also used for the brush head actuator posion 2 switch input) Each me the baery

charger is plugged in, the charger contacts the controller by sending out a posive voltage on the communicaon wire

to nd out what kind of baeries are on the machine. It needs to know this in order to use the correct charging prole.

The controller responds and provides the baery type informaon it has stored in memory. The charger then tells the

controller which charging prole it will use and begins charging the baeries. See the Control System, Program Opons

secon for informaon on how to tell the controller what kind of baeries are used in the machine. If the charger is un-

able to communicate with the controller it will use the prole for a wet baery at a 25 Amp rate as a default.

Delta-Q IC650 Battery Charger Details

The Delta-Q baery charger does not communicate with the main machine controller. It is a “stand-alone” unit. Models

that have the Delta-Q charger have a separate LED on a bracket to communicate charging progress. By pressing a buon

on the charger you can see what charging prole is in use. If you replace the baeries with a dierent type of baery or

replace the baery charger, you must select the correct charging prole to be compable with the baeries. There are a

set of proles stored inside the charger. You can interface directly with the charger to select the prole to be used from

that set. See the Delta-Q Product Manual (710-0138-Delta-Q.pdf) for complete instrucons on selecng the prole. Use

the Baery Charging Prole Table below to choose the prole to match the baeries that are in the machine.

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Nilfisk SC750 Heavy-Duty Cleaning