Prestolite Power AC1000 Charger Control
AC1000
Programmable Charger Control
Full-featured control provides
useful options and maximum
protection.
s Interchangeable with other compatible
controls
s 10 programmable functions
s Reviews each charge cycle and
displays 9 items of cycle information
for the last charge cycle
s User-selectable charge termination
s Programmable delayed start, cool down
and refresh options
s Programmable automatic or manual
start operation
s Programmable 80% voltage point
s Battery/charger voltage mismatch
protection
s Quality built for years of trouble-free
service
AC1000
Programmable Charger Control
Digital Ammeter
Charge
Status LEDs
Manual
Equalize Key
Stop Key
Feature
Selector
Switch
Micro-Computer
Cell
Selector
Switch
Plug-In Wiring Harness
Charge cycle review
Displays 9 items of cycle information for the
last charge cycle including:
1. Amp-hours returned
2. Start to 80% time
3. 80% to termination time
4. Battery open circuit voltage
5. Start current
6. Start volts/cell
7. Finish current
8. Finish volts/cell
9. Charge termination code
User adjustable 80%
voltage point
The AC1000 control may be set for an average
80% voltage point of 2.31 volts/cell to 2.59
volts/cell. In cold storage applications, ensure
a complete charge by using the dip switch
on the PC board to program the proper 80%
point.
Automatic or manual equalize
operation
An equalize charge of three hours beyond a
normal charge termination can be selected
manually or automatically. Automatic equaliza-
tion can be programmed by the number of
charge cycles, from 0 to 30. When the automatic equalize function is selected, the manual
pushbutton is disabled to prevent unnecessary
equalize charges.
Delayed start
Program the AC1000 to delay the start of
charge for up to 24 hours. With the selection of delayed start and upon connection of
a battery “dS” appears on the digital display
and flashes until the delay time reaches zero
at which time charging will start. Use delayed
start for battery cool-down before recharging to increase battery efficiency and extend
battery life. Program different delay times to
stagger-start charging of batteries to ease
high-peak energy demands.
Refresh charge
Featuring an adjustable 8 to 99 hour refresh
charge timer, the AC1000 can be used to
provide a refresh charge to stored batteries to
replace normal losses associated with storage.
Similarly, in situations where it is anticipated
that the battery and charger will be left connected for a period of time after charging – for
instance, in the event of a long weekend or a
week-long company shutdown – the AC1000
can be programmed to automatically provide a
refresh charge to ensure a fully charged battery when you need it.
Push-to-start operation
In push-to-start operation, the charge cycle
will not start until the stop/review pushbutton is
pressed. This allows the operator to have complete control when starting the charge cycle.
Fault lock-out operation
With fault lock-out, in the event of an abnormal
shutdown, disconnecting and reconnecting
a battery will not clear the status lamp and
the charger will not resume normal operation.
Pressing the stop/review pushbutton will clear
the status lamp and the charger will begin
normal operation.
Cool down option
The AC1000 can be programmed to delay
illumination of the “Charge Complete” LED until
after a specified cool down time has elapsed.
Adjustable from 0-8 hours, this efficient feature helps to prevent battery overheating and
extend battery life.
In severe battery applications such as cold storage,
the AC1000 can be programmed to extend charge
time for up to one additional hour past normal
termination.
Back-up timer protection
The AC1000 is equipped with two backup timers for
additional battery protection. These backup timers
terminate the charge if (1) the battery is not 80%
charged in 10 hours or (2) the charge is not completed within 5 hours after reaching 80% charged.
These timers protect the battery from excessive
overcharging – and possible permanent damage.
New battery recognition after AC fail
After an AC fail during the battery charging process,
charging will resume provided there has not been a
battery change. If a change occurred, the AC1000 will
recognize the presence of a “new” battery and begin
a new charge operation.
AC power charge cycle reset option
When this option is enabled the charge cycle will
completely restart anytime AC power is removed and
then restored. This is valuable in situations where the
battery and charger are hard wired together.
Quality built for years of
trouble-free service with
energy-saving options
One control for 6, 12, 18, 24,
36 or 40 cell batteries with
100, 200, or 400 ampere
full-scale digital ammeter
The AC1000 can be programmed
to charge 6, 12, 18, 24, 36 or 40 cell
batteries with 100, 200, or 400 ampere
full-scale digital ammeter. The AC1000 is
pre-programmed at the factory when it is
purchased with a charger. If the control
is purchased separately or needs to be
changed to match a battery, it is
programmed by simply selecting the
appropriate cell’s dip switch and
programming the appropriate
ammeter scale on the control
printed circuit board. This flexibility
reduces spare parts inventory expense.
PROGRAMMING
S1–1 – 80% VOLTS/CELL–––––––––––––––––––––––––––––
S1–2 – DVDT/VT––––––––––––––––––––––––––––––––
S1–3 – DELAYED START–––––––––––––––––––––––––––
S1–4 – REFRESH DELAY–––––––––––––––––––––––––
S1–5 – PUSH TO START/FAULT LOCKOUT––––––———
S1–6 – FORMING CYCLES–––––––––––––––––––––––––
S1–7 – COOL DOWN––––––––––––––––––––––––––––
S1–8 – EXT. RUN TIME–––––––––––––––––––––––––––
S1–9 – AC RESET OPTION–––––––––––––––––––––––––
S1–10 – 100 A SH–––––––––––––––––––––––––––––––––––
S1–11 – 400 A SH––––––––––––––––––––––––––––––––
S1–12 – AUTO-EQ––––––––––––––––––––––––––––––––
6 7 8 9 10 11 12
SELECTION
S2–1 – 6 CELL––––––––––––––––––––––––––––––––––
S2–2 – 12 CELL–––––––––––––––––––––––––––––––––
S2–3 – 18 CELL–––––––––––––––––––––––––––––––––
S2–4 – 24 CELL–––––––––––––––––––––––––––––––––
S2–5 – 36 CELL–––––––––––––––––––––––––––––––––
S2–6 – 40 CELL/OPTION––––––––––––––––––––––––––
1 2 3 4 5 6
When the battery is connected to the charger, the
AC1000 automatically begins charging after an initial
5 second delay to allow for safe connection. The
AC1000 also automatically terminates the charge
cycle when complete – and the green CHARGE
COMPLETE LED is illuminated for easy identification.
Should the user prefer a voltage/time charge termination, the AC1000 can be set
for this popular termination method through available programming options.
2 3 4 5
Automatic start/stop
The AC1000 utilizes our patented
2.6
charge termination technique, DV/DT,
or rate of change of battery voltage
2.5
0%
with respect to time, with proportional
20%
2.4
time (PT) to determine when to
40%
60%
terminate a charge cycle. The length
80%
2.3
of time it takes the battery to reach
100% DEPTH OF DISCHARGE
the 80% charged point determines
2.2
the sampling rate. This termination
method ensures a precise charge
2.1
CHARGE CYCLE TERMINATION
every time, never under or over
2.0
charging, even on lightly discharged
0
1
2
3
4
5
6
7
8
batteries. This technique used in
TIME (HOURS)
conjunction with the tapered curve of
the ferroresonant chargers, ensures that the rate of change for both battery voltage
and current always provides an efficient and accurate termination of charge.
1
Quality is the driving force behind our products.
Engineered to be the best, our chargers and controls
are designed to meet the many challenges associated
with charging batteries. Unmatched in reliability and
value, our products are subject to intensive quality
control and test procedures to ensure many years
of trouble-free service. Reduce charging costs with
programming options that can result in savings of
time and energy.
PT/DV/DT Charge Termination
VOLTAGE (PER
Extended run time
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