10 11
carburetor, fuel lines, or sheet-metal body parts. Connect to heavy
gauge metal part of the frame or engine block.
7. For a positive-grounded vehicle, connect the negative (black) clamp
from the battery charger to the negative (NEG, N, –) ungrounded
post of battery. Connect positive (red) clamp to vehicle chassis or
engine block away from battery. Do not connect clip to carburetor,
fuel lines or sheet-metal body parts. Connect to a heavy gauge
metal part of the frame or engine block.
8. See operating instructions for length of charge information.
9. When disconnecting charger, unplug the AC Power Cord, remove
the clamp from vehicle chassis, and then remove the clamp from
the battery terminal.
FOLLOW THESE STEPS WHEN THE BATTERY HAS BEEN
REMOVED FROM A VEHICLE
WARNING – A spark near the battery may cause an explosion. To
reduce risk of a spark near the battery:
1. Check polarity of the battery posts. The positive post (marked
POS, P, +) usually has a larger diameter than the negative battery
post (marked NEG, N, –).
2. Attach a 24-inch (minimum length) AWG #6 insulated battery cable
to the negative battery post (marked NEG, N, –).
3. Connect the positive (red) clamp to the positive battery post (red
or marked POS, P, +).
4. Stand as far back from the battery as possible, and do not face
the battery when making final connection.
5. Carefully connect the negative (black) clamp to the free end of the
battery cable connected to the negative terminal.
6. When disconnecting the charger, always do so in reverse sequence
of connecting procedure and break first connection while as far
away from battery as practical.
Charging the Battery
IMPORTANT: If a problem is encountered during the battery charging
process, refer to the “Indications and Faults” section that follows the
battery charging directions.
1. Connect the battery charger to the battery using the battery clamps,
following the appropriate directions in the “Preparing to Charge”
section of this Instruction Manual.
2. Plug the unit’s AC Power Cord into a functioning AC outlet.
IMPORTANT: If the battery clamps are not yet connected to
a battery, a beep will sound and the LCD Screen will show the
following (the empty Battery Icon will light solid):
3. If the clamps are properly connected with regard to polarity, the
LCD Screen will show the following, indicating the unit is in Standby
Mode:
The Digital Display shows the voltage of the connected battery.
The bars on the Battery Icon represent the charge level of the
connected battery. The Clamp Icons and the Battery Icon light
solid.
NOTE: In Standby Mode, the Digital Display shows the voltage
(V) of the connected battery by default. Press the Battery Voltage
Preparing to Charge
1. Be sure the area around battery is well ventilated while the battery
is being charged.
2. Remove the battery completely from a boat/airplane or any confined
area before charging.
3. If it is necessary to remove battery from a vehicle to charge or to
clean terminals, always remove the grounded terminal from the
battery first. Make sure all accessories in the vehicle are turned
off, so as not to cause an electrical arc.
4. Clean the battery terminals, taking care to avoid getting corrosive
material in your eyes.
5. Add distilled water in each cell until battery acid reaches the
level specified by the battery manufacturer. This helps purge
excessive gas from cells. Do not overfill. For a battery without cell
caps (maintenance free), carefully follow manufacturer’s charging
instructions.
6. Study all battery manufacturer’s specific precautions, such
as removing or not removing cell caps while charging, and
recommended rates of charge.
7. Determine the voltage of the battery to be charged by referring to
the vehicle manual. This unit is for charging a 12 volt battery only.
CHARGER LOCATION
• Locate the charger as far away from the battery as cables permit.
• Never place the charger directly above the battery being charged;
gases from the battery will corrode and damage the charger.
• Never allow battery acid to drip on the charger when reading gravity
or filling the battery.
• Never operate the charger in a closed-in area or restrict ventilation
in any way.
• A marine (boat) battery must be removed and charged on shore.
To charge it on board requires equipment specifically designed for
marine use. This unit is NOT designed for such use.
• Do not set a battery on top of the charger.
CONNECTING THE CHARGER
CONNECTION PRECAUTIONS
• Connect and disconnect output clamps only after removing AC Power
Cord from electric outlet.
• Never allow the clamps to touch each other.
• Attach the clamps to the battery and chassis as indicated in the
appropriate section (“Charging a battery installed in a vehicle” or
“Charging a battery that has been removed from a vehicle”).
FOLLOW THESE STEPS WHEN THE BATTERY IS INSTALLED
IN A VEHICLE
WARNING – A spark near the battery may cause an explosion. To
reduce risk of a spark near the battery:
1. Do not charge the battery while the engine is operating.
2. Position AC and clamp cords to reduce risk of damage by hood,
door, or moving engine part.
3. Stay clear of fan blades, belts, pulleys, and other parts that can
cause injury to persons.
4. Check polarity of the battery posts. The positive post (marked
POS, P, +) usually has a larger diameter than the negative battery
post (marked NEG, N, –).
5. Determine which post of battery is grounded (connected) to
the chassis. If negative post is grounded to chassis (as in most
vehicles), see 6. If positive post is grounded to the chassis, see 7.
6. For a negative-grounded vehicle, connect the positive (red) clamp
from the battery charger to the positive (POS, P, +) ungrounded
post of battery. Connect the negative (black) clamp to vehicle
chassis or engine block away from battery. Do not connect clip to
DXAEC801B_DXAEC801BCA_ManualENFRSP_080320.indd 10-11 10:30 AM
English
11/04/20
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