#SS-210A and SE-210A
Battery
Charger
Models:
Fully Automatic Onboard Battery Charger
For One 12-Volt Battery At 10 Or 20 Amps
Or Two 12-Volt Batteries At 10 Amps
For 12V And 24V Battery Systems
Owner's Manual
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Important Safety Instructions
WARNING – RISK OF EXPLOSIVE GASES
Working in the vicinity of a lead-acid battery is dangerous. Batteries generate explosive gases during normal
battery operation. For this reason, it is of utmost importance that each time before using your charger, you
read this manual and follow the instructions exactly.
To reduce risk of battery explosion, follow these instructions and those published by the battery manufac-
turer of any equipment you intend to use in vicinity of battery. Review cautionary markings on these products
and on engine.
WARNING: Handling the cord on this product or cords associated with accessories sold with this product, will expose you to lead, a
chemical known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.
A.
GENERAL BATTERY SAFETY
9. To reduce risk of electric shock, unplug charger from outlet
before attempting any maintenance or cleaning.
10. Do not use an extension cord unless absolutely necessary.
Use of an improper extension cord could result in fire or
electric shock. If an extension cord must be used, make sure
that:
1. Before you use your battery charger, read and follow all
instructions and cautions printed on:
• Battery Charger
• Battery
• Unit using battery
2. Use battery charger on Flooded Wet Cell, Maintenance Free
and Starved Electrolyte batteries only. Charger is not intended
to supply power to low-voltage electrical system other than
for charging and maintaining batteries.
• Pins on plug of extension cord are the same number, size,
and shape as those of plug on charger.
• Extension cord is properly wired and in good electrical
condition.
• Wire size is large enough for AC ampere rating of charger,
as specified below:
WARNING: Do not use battery charger for charging dry-cell
batteries that are commonly used with home appliances.
These batteries may burst and cause injury to persons and
damage to property.
Length of cord (feet):
AWG size of cord:
25
16
50
14
100
12
3. Use only attachments recommended or sold by manufacturer.
Use of non-recommended attachments may result in fire,
electric shock, or injury.
4. When disconnecting the battery charger, pull by the plug not
by the cord. Pulling on the cord may cause damage to cord
or plug.
5. Locate battery power cord so it cannot be stepped on, tripped
over, or subjected to damage or stress.
6. Do not operate charger with damaged cord or plug. Have
cord replaced immediately.
7. Do not operate charger if it has received a sharp blow, been
dropped, or otherwise damaged in any way. Take it to a
qualified professional for inspection and repair.
8. Donotdisassemblecharger.Takeittoaqualifiedprofessional
when service or repair is required. Incorrect reassembly may
result in electric shock or fire.
11. Always charge battery in a well-ventilated area.
NEVER operate in a closed-in or restricted area without
adequate ventilation.
12. Locate charger as far away from battery as DC charger cables
permit.
13. NEVER charge a frozen battery. If battery fluid (electrolyte)
is frozen, bring into a warm area to thaw before charging.
14. NEVER allow battery acid to drip on charger when reading
specific gravity or filling battery.
WARNING: Battery chargers get hot during operation and
must have proper ventilation. Air needs to flow around the
charger. Do not set on flammable items like carpeting,
upholstery, paper, cardboard, etc. Will damage leather and
melt plastic and rubber.
SCHUMACHER ELECTRIC CORPORATION
801 BUSINESS CENTER DRIVE • MOUNT PROSPECT, ILLINOIS 60056-2179
Send Warranty Product Repairs to: 1025 E. Thompson, Hoopeston, IL60942-0280
Call Customer Service if you have questions: 1-800-621-5485
00-99-000329/0203
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F.
DC CONNECTION PRECAUTION
Connect and disconnect the DC output connections only after removing the AC cord from the electric outlet.
G.
DC CONNECTION PROCEDURE
When charging battery(ies) in boat, take care to determine the battery type and which pole is ground. To reduce risk of a spark near
battery, follow these general steps when battery is inside boat. WARNING: A spark near the battery may cause battery explosion.
4. Determine which post of battery is ground.
5. Connect POSITIVE (RED) ring terminal from battery charger
to POSITIVE (POS, P, +) post of battery.
6. Connect NEGATIVE (BLACK) ring terminal to NEGATIVE
(NEG, N, -) post of battery
7. When disconnecting the charger, disconnect the AC power
cord from the electric outlet first.
8. While disconnecting output leads from the batteries, always
do so in reverse order of the connection procedure.
1. Position AC power cord and DC charging cords to reduce
risk of damage.
2. Stay clear of fan blades, belts, pulleys, and other parts that
can cause injury.
3. Check polarity of battery posts. Battery case will be marked
to indicate each post’s polarity: POSITIVE (POS, P, +) and
NEGATIVE (NEG, N, -). NOTE: The positive battery post
usually has a larger diameter than the negative post.
H.
DC WIRING DETAILS
When connecting the ring terminals to the battery, remove nuts
on battery posts, place the ring terminal on corresponding posi-
tive and negative post, and replace each nut tightly to ensure a
good connection.
positive post of the battery. Connect both negative leads from
each charging bank to the negative post of the battery.
When connecting the charger to TWO batteries, connect the posi-
tive lead from charging bank one to the positive post of battery
one. Connect the negative lead from charging bank one to the
negative post of battery one. Connect the leads from charging
bank two to battery two in the same fashion. NOTE: Removal of
a strap between two batteries in a 24V system is not necessary.
When connecting the ring terminals, connect the black 12 volt
lead to the negative battery post and the red 12 volt lead to the
positive battery post.
When connecting the charger to ONE battery at the 20A charge
rate, connect both positive leads from each charging bank to the
FOR DETAILED WIRING – SEE DIAGRAMS BELOW
12V
20A
COMBINED
12V
10A
EACH
24V
10A
EACH
STRAP
NOT
INCLUDED
+
+
+
+
+
–
–
–
–
–
12V
12V
12V
12V
12V
I.
INLINE FUSES
Inline fuses, located close to the ends of the red leads, protect the charger from extremely high voltage surges, lightning strikes or other
high current surges. If a fuse blows, replace only with AGC-30 30A 32V 1 ¼” glass fuse.
J.
GROUNDING AND AC POWER CORD CONNECTION INSTRUCTIONS
Charger should be grounded to reduce risk of electric shock. Charger is equipped with an electric cord having a grounding plug. The plug
must be plugged into an outlet that is properly installed and grounded in accordance with all local codes and ordinances.
DANGER – Never alter AC cord or plug provided – if it will not fit outlet, have proper outlet installed by a qualified electrician. Improper
connection can result in a risk of an electric shock.
CAUTION – To reduce risk of fire or electric shock, connect battery charger directly to grounding receptacle (three-prong). An adapter
should not be used with battery charger.
K.
OPERATING INSTRUCTIONS
Once the unit has been properly connected to the battery(ies), plug in the charger to AC power. Initially all 4 LEDs on both charging
banks will turn on in sequence. The battery charger will perform a self test and light the two yellow LEDs in sequence next. The charger
will then go into a battery diagnostic mode to determine if the battery(ies) are independent or connected in series (24V) or parallel (12V).
NOTE: It is important to not operate any electrical devices on the boat during the first 30 seconds after plugging in the charger while it is
diagnosing the battery(ies). Once the diagnostics are complete, the charger will begin charging the battery(ies) if needed. Each bank has
an independent display of LEDs and will show the charge status of the battery. NOTE: When both output leads are connected to one
battery, only charging bank one will display the charge status of the battery.
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L.
LED DISPLAY
Red blinking (slow) – indicates check battery connection or
blown fuse
NOTE: When both output leads are connected to one battery,
only channel one will display the charge status of the battery.
Red blinking (fast) – indicates error, abort stage
Red solid
Yellow #1 solid
– charger is charging, current at maximum
– charger is charging, voltage >14.2 volts
Yellow #1 blinking – desulfation mode
Yellow #2 solid
Green solid
– charger is charging, constant voltage
– charger is in final 3-hour charge.
95% charged
Green blinking
– charge complete maintain stage
M.
AUTOMATIC CHARGE MODE
The automatic charger uses a three-step charging process. During the BULK charge phase, the charger attempts to deliver 10/(20) amps
of current to the battery(ies) until the battery voltage levels off. At this point, the charger enters the ABSORPTION charge phase. In this
phase, the charger will hold the battery voltage constant and let the battery determine the charging current. When the charging current
stabilizes, the charger will continue to charge for three hours to bring the battery up to full charge. The charger will then automatically
enter the MAINTAIN MODE. During this phase, the charger will hold the battery voltage constant at 13.2 volts to guard against self-
discharge of the battery. The charge current will typically be a few tenths of an amp.
N.
DESULFATION MODE
If the battery has been left discharged for an extended period of time, it may have become ‘SULFATED’. If the battery voltage is less than
12.2 volts prior to being charged, and the voltage climbs rapidly when charging begins, the battery may be SULFATED. Under this
condition, the charger enters DESULFATION MODE; this is indicated by the first YELLOW LED blinking. In DESULFATION MODE, the
initial charging current is very small. The charger will stay in DESULFATION MODE for up to 24 hours, attempting to break down the
sulfation. If the battery current increases to normal in this time, the charger will enter the normal AUTOMATIC MODE. If the current does
NOT increase to normal, the charger will enter the ABORT state and will shut off. The rapid flashing of the RED LED indicates the ABORT
state and the battery may need to be replaced. The charger will remain in abort until the AC power is removed.
O.
EXTENDED BATTERY STORAGE
The charger will draw a small amount of current from the battery(ies), a few milliamps, when not charging or maintaining. If the
battery(ies) are going to be stored for an extended period of time (several months) without being charged, it is best to disconnect the
leads or remove the fuse to keep the charger from discharging the battery(ies) over time.
P.
MAINTENANCE / CLEANING INSTRUCTIONS
Very little maintenance is required for the battery charger. Use common sense in wiping the charger clean and store in a clean, dry area.
1. After use, use a dry cloth to wipe all battery corrosion and
other dirt or oil from terminals, cords, and the charger case.
2. Coil charger cords to prevent damage.
3. Have any cracked or frayed cords replaced by a qualified
professional.
4. Store battery charger in a clean, dry area.
LIMITED WARRANTY
SCHUMACHER ELECTRIC CORPORATION, 801 BUSINESS CENTER DRIVE, MOUNT PROSPECT, ILLINOIS 60056-2179 MAKES THIS LIMITED
WARRANTY TO THE ORIGINAL PURCHASER AT RETAIL OF THIS PRODUCT. THIS LIMITED WARRANTY IS NOT TRANSFERABLE.
Schumacher Electric Corporation warrants this battery charger for two years from date of purchase at retail against defective material or workmanship. If
such should occur, the unit will be repaired or replaced at the option of the manufacturer. It is the obligation of the purchaser to forward the unit together with
proof of purchase, transportation and/or mailing charges prepaid to the manufacturer or its authorized representative.
This limited warranty is void if the product is misused, subjected to careless handling, or repaired by anyone other than the manufacturer or its authorized
representative.
The manufacturer makes no warranty other than this limited warranty and expressly excludes any implied warranty including any warranty for consequential
damages.
THIS IS THE ONLY EXPRESS LIMITED WARRANTYAND THE MANUFACTURER NEITHERASSUMES NORAUTHORIZESANYONE TOASSUME
OR MAKE ANY OTHER OBLIGATION TOWARDS THE PRODUCT OTHER THAN THIS EXPRESS LIMITED WARRANTY. THE MANUFACTURER
MAKES NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR PURPOSE OF THIS PRODUCTAND EXPRESSLY EXCLUDES SUCH FROM
THIS LIMITED WARRANTY.
SOME STATES DO NOTALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LENGTH OF IMPLIED
WARRANTY SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOTAPPLY TO YOU.
THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAYALSO HAVE OTHER RIGHTS, WHICH VARY FROM STATE TO STATE.
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