Schumacher 71323 50A 12V Battery Charger/Engine Starter

User Manual - Page 6

For 71323.

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6
11. OPERATING INSTRUCTIONS
WARNING: A spark near the battery may
cause an explosion.
IMPORTANT: Do not start the vehicle with
the charger connected to the AC outlet, or
it could result in damage to the charger.
NOTE: This charger is equipped with
an auto-start feature. Current will not be
supplied to the battery clamps until a
battery is properly connected. The clamps
will not spark if touched together.
CHARGING A BATTERY
IN THE VEHICLE
1. Turn off all the vehicle’s accessories.
2. Keep the hood open.
3. Clean the battery terminals.
4. Place the charger on a dry, non-
ammable surface.
5. Lay the AC/DC cables away from any
fan blades, belts, pulleys and other
moving parts.
6. For a negative-ground vehicle
(as in most vehicles), connect the
charger’s POSITIVE (RED) clamp
to the POSITIVE (POS, P, +) battery
post. Next, connect the charger’s
NEGATIVE (BLACK) clamp to the
vehicle chassis or engine block, away
from the battery.
7. For a positive-ground vehicle, connect
the charger’s NEGATIVE (BLACK)
clamp to the NEGATIVE (NEG, N, -)
battery post. Next, connect the
charger’s POSITIVE (RED) clamp
to the vehicle chassis or engine
block away from the battery. NEVER
connect any clamps to the carburetor,
fuel lines or sheet-metal body parts.
8. Connect the charger to an electrical
outlet.
9. Select the desired rate.
10. When charging is complete,
disconnect the charger from the AC
power, remove the clamps from the
vehicle’s chassis, and then remove
the clamp from the battery terminal.
CHARGING A BATTERY OUTSIDE
OF THE VEHICLE
1. Place battery in a well-ventilated area.
2. Clean the battery terminals.
3. Connect a 24-inch long, 6-gauge
(AWG) insulated battery cable to the
NEGATIVE (NEG, N, -) battery post
(i.e., jumper cable) (not provided).
4. Connect the POSITIVE (RED) clamp to
the POSITIVE (POS, P, +) battery post.
5. Position yourself and the “negative
post extension” cable as far away from
the battery as possible, and connect
the NEGATIVE (BLACK) clamp to the
cable’s free end.
6. Connect the charger to the electrical
outlet.
7. Select the desired rate.
8. When charging is complete,
disconnect the charger from the AC
power, disconnect the negative clamp,
and nally the positive clamp.
9. A marine (boat) battery must be
removed and charged on shore.
AUTOMATIC CHARGING MODE
When an Automatic Charge is performed,
the charger switches to the maintain
mode automatically after the battery is
charged.
BATTERY CHARGING TIMES
APPLICATION
BATTERY
SIZE
CHARGING TIME (Hours)
2A 6A 8A 10A
POWERSPORTS
6Ah 6
32 Ah 15
AUTOMOTIVE
300 CCA 12
1000 CCA 30
MARINE
50 Ah 15
105Ah 33
2
5
4
10
5
11
1.75
4.5
3.5
8.5
4.25
9.5
1.5
4
3
7
3.5
8
Times are based on a 50% discharged battery
and may change, depending on age and condition
of battery.
ABORTED CHARGE
If charging cannot be completed normally,
charging will abort. When charging aborts,
the charger’s output is shut off and the
CHARGING
(yellow/orange) LED will
ash. To reset after an aborted charge,
unplug the charger from the AC outlet,
wait a few moments and plug it back in.
DESULFATION MODE
Desulfation could take 8 to 10 hours. If
desulfation fails, charging will abort and the
CHARGING
(yellow/orange) LED will ash.
COMPLETION OF CHARGE
Charge completion is indicated by the
CHARGED/MAINTAINING (green) LED.
When pulsing, the charger has switched
to the maintain mode of operation.
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