Yuasa YUA3AMPCH User manual

English
Model YUA3AMPCH
3 AMP Automatic Battery Charger
& Maintainer
OWNER’S MANUAL
READ ENTIRE MANUAL BEFORE USIN THIS PRODUCT
Certified by
California BCS Regulations
READ ENTIRE MANUAL BEFORE USING THIS PRODUCT

English
- 1 -
MODEL NO. YUA3AMPCH
3 AMP Automatic Battery Charger &
Maintainer
Model
YUA3AMPCH
Input Voltage
110 –120Vac
Output Current (Max)
12V –3A
Charge Voltage (Max)
12V –14.8V
Weight
1.1 lbs
Size
6.63”L x 2.84”W x 1.87”H
1. Battery Clip Cable Assembly
2. Ring Terminal Cable Assembly
3. LED Indicators
4. Mounting Holes
FEA TURE
S
1
3
4
SPECIFICATIONS
2

English
- 2 -
PROP 65 WANING: Battery posts, terminals, and related
accessories contain lead and lead compounds, chemicals
known to the State of California to cause cancer and
reproductive harm. Batteries also contain other chemicals
knows to the State of California to cause cancer. WASH
HANDS AFTER HANDLING.
1. This manual contains important safety and operating
instructions for this battery charger/maintainer. Please read,
understandand follow these instructions and precautions
carefully.
2. Use this charger only on 12 volts LEADACID, AGM and
GELLED ELECTROLYTE (GEL-CELL) batteries. Donot
attempt to use on other voltages and types of batteries (DRY
CELL, NICKEL CADMIUM, NICKEL METALHYDRIDE, etc.)
commonly found in small home appliances. This may cause
chargers and batteriesto burst, resulting in damage or injury to
person and property.
3. Do not expose this charger to direct sunlight, rain orsnow.
4. If the battery is installed, please make sure that the
vehicleis turned off all loads and no loads are presented.
5. Do not use attachments to this charger that are not
recommended. Non-recommended attachments may result in
injury, electric shock,or fire and voids the warranty.
6. Toreduce risk of damage to electric plug and cord, pull
byplug rather than cord when disconnecting charger.
7. If it is necessary to use an extension cord, it should be
properly grounded cord. Use of improper extension cord
could result in arisk of fire and electric shock.
a) That pins on plug of extension cord are the same number,
size, and shape as those of plug on charger;
b) That extension cord is properly wired and in good electrical
condition;
I MPOR T ANT SAFETY INSTRUCTIONS

English
- 3 -
c) That wire size is large enough for ac ampere rating of
chargeras specified in Table.
8. Do not operate charger with damaged cord or plug –
replacethe cord or plug immediately.
9. Do not operate charger if it receives a sharp blow, been
dropped, or otherwise damaged in any way; take it to an
authorizedservice center for repair.
10. Do not disassemble charger; take it to an authorizedservice
center for repair when service or repair is required.
Incorrect reassembly may result in a risk of electric shock or
fire.
11. Toprevent injury during cleaning or maintenance,
disconnectall batteries and move them to clear access to the
unit. Unplugthis charger from the wall outlet. Use a slightly
dampened cloth toclean the housing and lead sets. Do not
use solvents or soaps.
12. Place the power cords in a location where will not be
steppedon, tripped over, or subjected to stress or abuse of
any kind.
13. Never attempt to charge a frozen battery. Allow the battery
to return to room temperature before connection. Suggested
operation range 0℃(32℉) to 50℃(122℉) in ambient
temperature.
14. Never use this charger in or on any boat or watercraft
directly. Youmust remove the battery from the boat or
watercraft andcharge the battery at the properly installed
location of thischarger.

English
- 4 -
15. It is not suggested to expose the charger to moisture
andshould not be subjected to inclement weather.
WARNING – RISK OF EXPLOSIVE GASES
a) WORKING IN VICINITY OF A LEAD-ACID BATTERYIS
DANGEROUS. BATTERIES GENERATE EXPLOSIVEGAS
DURING NORMAL BATTERY OPERATION. FORTHIS
REASON, IT IS OF UTMOST IMPORTANCE THATYOU
FOLLOW THE INSTRUCTIONS EACH TIME YOUUSE
THE CHARGER.
b) Toreduce risk of battery explosion, follow these
instructionsand those published by battery manufacturer and
manufacturer ofany equipment you intend to use in vicinity of
battery.
RISK OF EXPLOSIVE GASES MIXTURE
1. Connect and disconnect battery leads only when supply
cord is disconnected.
2. For a battery installed in a vehicle, first connect charger
outputlead to ungrounded battery post –not connected to
automobile chassis –in accordance with polarity identification
and then oppositepolarity lead to chassis away from battery;
do not connect to carburetor orfuel lines. Disconnect chassis
lead first.
3. Do not overcharge battery.
4. Do not smoke, strike a match, or cause a spark in vicinity of
battery.
5. Use in well-ventilated area.
RISK OF EXPLOSIVE GASES
1. Working in the vicinity of a lead acid battery is dangerous.
Battery generate explosive gases during operation. For this
PERSONAL PRECAUTIONS

English
- 5 -
reason, it isof utmost importance that you follow the
instructions each time you use the charger.
2. Toreduce risk of battery explosion, follow these instructions
and those published by the battery manufacturer and
manufacturer ofany equipment you intend to use in the vicinity
of the battery.Observe cautionary markings on these items.
3. Someone should be within range of your voice or close
enoughto come to your aid when you work near a lead acid
battery.
4. Have plenty of fresh water and soap nearby in case
battery acid contacts skin, clothing or eyes.
5. Wear complete eye protection and protective clothing.
6. Avoid touching eyes while working near battery.
7. Be extra cautious to reduce risk of dropping a metal tool
ontothe battery. It could spark or short-circuit the battery or
otherelectrical parts and could cause an explosion.
8. Remove personal metal items such as rings, bracelets,
necklaces and watches when working with a lead acid battery.
It can producea short circuit current high enough to weld a
ring or the like tometal causing a severe burn.
9. This appliance is not intended for use by persons (including
children) with reduced physical, sensory or mental capabilities,
orlack of experience and knowledge, unless they have been
given supervision or instruction concerning use of the
appliance by aperson responsible for their safety.
10. Children should be supervised to ensure that they do not
playwith the appliance.
11. If battery acid contacts skin or clothing, wash immediately
with soap and water.If acid enters eye, immediately flood eye
withrunning cold water for at least 10 minutes and get medical
attention immediately.
12. NEVER smoke or allow a spark or flame in vicinity of
batteryor engine.
13. Use charger for charging a LEAD-ACID battery only. It is
not intended to supply power to a low voltage electrical system
otherthan in a starter-motor application. Do not use battery

English
- 6 -
charger forcharging dry-cell batteries that are commonly used
with homeappliances. These batteries may burst and cause
injury to persons and damage to property.
14. NEVER charge a frozen battery.
RISK OF CONTACT WITH BATTERY ACID. BATTERY ACID
ISA HIGHLY CORROSIVE SULFURIC ACID.
1. Be sure area around battery is well ventilated while battery
is being charged. Gas can be forcefully blown away by using a
pieceof cardboard or other nonmetallic material as a fan.
2. Clean battery terminals. Be careful to keep corrosion from
coming in contact with eyes.
3. Inspect the battery for cracked or broken case or cover. If
battery is damaged, do not use charger.
4. If the battery is not sealed maintenance free, add distilled
waterin each cell until battery acid reaches level specified by
themanufacturer This helps purge excessive gas from cells. Do
not overfill. For a battery without cell caps, carefully follow
manufacturer’s recharging instructions.
5. If necessary to remove battery from vehicle to charge,
always remove ground terminal from battery first. Make sure
allaccessories in the vehicle are off to ensure you do not
cause anyarcing.
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 voltage of battery by referring to car owner’s
manualand make sure it matches output rating of battery
charger.
8. If the battery and terminals have a white or bluish crust on
them,the charging system may be having problem. These
problems shouldbe corrected before the battery is replaced
after charging.
PREPARING TO CHARGE

English
- 7 -
RISK OF EXPLOSION AND CONTACT WITH BATTERY ACID.
1. Locate charger as far away from battery as DC cables permit.
2. Never place charger directly above battery being charged.
Gases from battery will corrode and damage charger.
3. Never allow battery acid to drip on charger when reading
gravity or filling battery.
4. Do not operate charger in a closed area or restrict
ventilation inany way.
5. Do not set a battery on top of charger.
1. Make sure the room has plenty of ventilation.
2. Mount this charger away from any vehicle repair or
service. Make sure never to start or run an engine near the
batteriesbeing charged.
3. Be sure the total amperage used by this charger should not
exceed the amperage capacity of the supply source. If you do
not know how to determine this, have a qualified electrician
determine thecapacity for you.
4. Connect and disconnect DC output clips only after setting
any charger switches to off position and removingAC cord
from electric outlet. Never allow clips to touch each other.
5. Make sure the battery terminals are clean. Wire brush them
if necessary. Clamp the black end (NEG, -) to the negative
battery terminal. Clamp the red end (POS, +) to the positive
batteryterminal.
6. Connect the charger to a grounded power receptacle
thatis wired in compliance with local electrical codes.
Note that side mounted batteries will require the insertion of a
lead post adapter. Plain bolts are not safe. They will not allow
SETTING UP & OPERA TIONS
CHARGER/MAINTAINER LOCA TION

English
- 8 -
for accurate reading and should not be used.
1. Connect and disconnect dc output clips only after removing
accord from electric outlet. Never allow clips to touch each
other.
2. FOR A CHARGER HAVING AN OUTPUT VOLTAGE
SELECTOR SWITCH, REFER TO THE CAR OWNER’S
MANUAL IN ORDERTO DETERMINE THE VOLTAGE OF
THE BATTERY AND TOMAKE SURE THE OUTPUT
VOLTAGE IS SET AT THECORRECT VOLTAGE. IF AN
OUTPUT VOLTAGE SELECTOR SWITCH IS NOT PROVIDED,
DO NOT USE THE BATTERY CHARGER UNLESSTHE
BATTERY VOLTAGE MATCHES THE OUTPUT VOLTAGE
RATINGOF THE CHARGER.
This charger has a rated output ofAmpere. (by models) These
outputs will vary with the age and condition of the battery being
charged.
Find your battery’s rating on the chart below, and note the
chargetime given for each charger setting.
Use the following table to more accurately determine the time it
will take to bring a battery to 80% charge. Identify where your
batteryfits into the chart.
CHARGE TIME CALCULA TION
DC CONNECTION PRECAUTIONS

English
- 9 -
Battery Size
MODEL NO.
Ampere Hours
(AH)
Cold Cranking Amps
(CCA)
YUA1203000
2
40
-
6
80
2 hrs
8
100
3 hrs
10
120
4 hrs
14
150
5 hrs
20
200
7 hrs
40
320
13 hrs
50
400
M
70
550
M
120
950
M
150
1170
M
200
1560
M
M: Maintenance
A SPARK NEAR BATTERY MAY CAUSE BATTERY
EXPLOSION. TO REDUCE RISK OF A SPARK NEAR
BATTERY:
1. Position the AC and DC cables to reduce the risk of
damage bythe hood, door and moving or hot engine parts.
NOTE that if it is necessary to close the hood during the
charging process, ensure that the hood does not touch the
metal part ofthe battery clips or cut the insulation of thecables.
2. Stay clear of fan blades, belts, pulleys and other parts
thatcan cause injury.
3. Determine which post of the battery is grounded (connected)
tothe chassis. If the negative post is grounded to the chassis
(as inmost vehicles), see step to negative-grounded vehicle.
If the positivepost is grounded to the chassis, see step to
positive-groundedvehicle.
4. Check polarity of battery posts. POSITIVE (POS, P, +)
batterypost usually has larger diameter than NEGATIVE (NEG,
N,–)post.
5. When disconnecting charger, disconnectAC cord, remove
CHARGING WHEN BATTERY IS INSTALLED IN VEHICLE

English
- 10 -
clip from vehicle chassis, and then remove clip from battery
terminal.
Connect the POSITIVE (red) clip from the battery charger to
the POSITIVE (POS, +) ungrounded post of the battery.
Connect the NEGATIVE (black) clip to the vehicle chassis or
engine blockaway from the battery. Do not connect the clip to
the vehicle chassis or engine block sheet-metal body parts.
Connect to a heavy gaugemetal part of the frame or engine
block.
Connect the NEGATIVE (black) clip from the battery charger
tothe NEGATIVE (NEG, -) ungrounded post of the battery.
Connectthe POSITIVE (red) clip to the vehicle chassis or
engine block awayfrom the battery. Do not connect the clip to
the carburetor, fuel lines or sheet-metal body parts. Connect
to a heavy gauge metal part ofthe frame or engineblock.
Connect theAC supply cord to the electrical outlet for
processing the charging.
A SPARK NEAR BATTERY MAY CAUSE BATTERY
EXPLOSION. TO REDUCE RISK OF A SPARK NEAR
BATTERY:
--Check polarity of battery posts. POSITIVE (POS, P, +)
battery post usually has a larger diameter than
NEGATIVE (NEG, N, –) post.
--Attach at least a 60 CM-long 6-gauge (AWG) insulated
battery cable to NEGATIVE (NEG, N, –) batterypost.
--Do not face battery when making finalconnection.
CHARGING WHEN BATTERY IS OUTSIDE VEHICLE
FOR A POSITIVE-GROUNDED VEHICLE
FOR A NEGATIVE-GROUNDED VEHICLE

English
- 11 -
--POSITION YOURSELF AND THE FREE END OF CABLE AS
FAR AWAY FROM BATTERY AS POSSIBLE, THEN
CONNECTTHE NEGATIVE (BLACK) CHARGER CLIP TO
FREE END OF CABLE;
1. Connect the POSITIVE (red) charger clip to the POSITIVE
(POS,+) post of the battery.
2. Connect the NEGATIVE (black) charger clip to the
NEGATIVE (NEG, -) post of the battery.
3. Connect the AC supply cord to the electricaloutlet.
4. When disconnecting the charger, always do so in the
reverse order of the connecting procedure and break the first
connection whileas far away from the battery as practical.
NOTE that a marine battery must be removed and charged on
shore. Tocharge it onboard requires equipment specially
designed for marine use.
1. This battery charger is for use on 110-120 Vac. Check your
ACvolt and make sure the version you take is correct.
2. The plug must be plugged into an outlet that is properly
installed and grounded in accordance with all local codes
andordinances.
3. The plug pins must fit the receptacles. Do not use
withan ungrounded system.
4. Never alterAC cord or plug provided. If it does not fit the
outlet, have prosper grounded outlet installed by a qualified
electrician. Improper connection can result in a risk of an
electric shockor electrocution.
AC CONNECTIONS

English
- 12 -
When the charger is being used, it shows LED lights asfollows,
indicating the status of the charging.
NO AC Power (all lightsoff)
There is noAC power applied. Check theAC end.
STAND BY (green blinking only)
The clamps are not connected to battery properly.
CHARGING (green & red lit)
The charger is charging the battery.
DEEPLY DISCHARGED BATTERY (yellow
blinking, green & red lit)
It takes more time to charge a deeply discharged
battery. The indication goes to “yellow (defective
battery)” after36 hours’ charging.
DEFECTIVE BATTERY (yellow litonly)
The battery cannot hold a charge.
Immediate replacement is recommended.
75% CHARGED (green lit & red light
blinking)
The battery is 75% charged and ready for load test
orcan be returned to serve.
FULLY CHARGED (green lit only)
The battery is fully charged. The charger will shift tothe
maintenance mode.
CHARGING INDICA TION
75%

English
- 13 -
1. Problem: No LED lit.
Possible Cause: AC end is not making a goodconnection.
Solution: Check for poor connection at ACside.
2. Problem: Green LED keeps blinking.
Possible Cause: Clamps are not making a good
connection.
Solution: Check for poor connection at battery and frame.
3. Problem: Yellow LED illuminated right away when
connecting onto a battery.
Possible Cause:
a. Incorrect battery voltage.
b. Battery is at full charge capacity
Solution:
a. Determine if the battery is a 12V battery. The
charger will give you a warning if you are
connecting to theincorrect application.
b. The battery is currently at full charge and will
continuein maintenance/float mode until voltage drop
occurs. At the time of voltage drop, charger will resume
in maintenancecharging mode.
NOTE that if the troubleshooting cannot fix the issue you have,
please contact the distributor for theinformation.
WARNING: Keeping the battery attached to the charger without
AC power could unintentionally discharge the battery.
TROUBLESHOOTING

English
- 14 -
YUASA INC., READING PENNSYLVANIAoffers this limited
warranty to the original purchaser. This warranty is NOT
TRANSFERABLE.FIVE YEARS LIMITED WARRANTY
YuasaInc. (Yuasa) warrants exclusively to the original
purchaserthat this charger willbe replaced or repaired at
Yuasa’s option, if it fails during the first five years after date of
purchase due to defect in material or workmanship. It is the
responsibility of the purchaser to contact Yuasa Customer
Service for warranty consideration.
YUASA BATTERY INC.
1-866-431-4784
www.yuasabattery.com
A$5.95 handling feemust accompany the battery charger after
120 days from date of purchase. A copy of the original bill of sale
is required for the limited warranty to be honored. If a copy of the
original bill ofsale is lost, a $12.95 handling fee must accompany
the battery charger for the limited warrantyto be honored. This
warranty does not cover failures arising out of improper use,
maintenance or operation of the product. Repair or replacement
as provided under this warranty isthe exclusive remedy of the
consumer.Yuasashall not be liable for any incidental or
consequential damages for breach of anyexpressed or implied
warranty on this product. Except to the extent providedby
applicable law,any implied warranty of merchantability or fitness
for a particular purpose on this product is limited to the
duration ofthis warranty. Some states do not allow the
exclusion or limitation of incidental or consequential damages,
or allow limitations on-how long an implied warrantylasts, so
the above limitations or exclusion may not apply to you. This
limited warranty gives you specific legal rights, and you may
also have other rights which vary from state to state.
WARRANTY

English

French
- 1 -
NO. MODELE YUA3AMPCH
CHARGEUR DE PILE INTELLIGENT MULTI-USAGE
CHA DSPECIFICATIONS
Model
Tension d’Entrée (110-
120Vac)
YUA3AMPCH
Courant de Sortie (Max.)
12V - 3A
Tension de Charge (Max.)
12V - 14.8V
Poids
1.1lbs
Taille
6.63” L x 2.84” W x 1.87” H
CARACTERISTIQUES
1 Assemblage de Câble
d’attache de pile
2 Assemblage de Câble de
Terminal de Bague
3 Indicateurs LED
4 Trous de Montage

French
- 2 -
IMPORTANTES INSTRUCTIONS DE SECURITE
LISEZ ET GARDEZ CE MANUEL DE SECURITE ET
D’INSTRUCTION
1. Ce manuel contient d’importantes instructions de sécurité et
d’utilisation pour ce chargeur/mainteneur de pile. Veuillez
lire, comprendre et suivre avec attention ces instructions et
précautions.
2. N’utilisez le YUA3AMPCH que sur des batteries 12 volts, de
type ACIDE-PLOMB, d’AGM et d'ELECTROLYTE DE GEL
(CELLULES GEL). N’essayez pas d’utiliser avec d'autres
tensions et d'autres types de batteries (CELLULES
SECHES, CADMIUMNICKEL, NICKEL METAL HYBRIDE,
etc.) généralement trouvées dans les appareils
électroménagers. Ceci pourrait endommager le
YUA3AMPCH et entraîner une explosion des batteries,
endommageant ou blessant les biens et personnes.
3. N’exposez pas directement le YUA3AMPCH aux rayons du
soleil, à la pluie ou à la neige.
4. Si la pile est installée, veuillez vous assurer que le véhicule
est éteint et qu’il n’y a aucune charge.
5. N’utilisez pas de connexions non recommandées avec le
YUA3AMPCH Ces connexions non recommandées
pourraient entraîner des dommages corporels, électrocution,
incendie et annuler toute garantie.
6. Afin de ne pas endommager la prise et son cordon, retirez la
prise plutôt que le câble lors de la coupure secteur chargeur.
7. Une rallonge câble ne doit pas être utilisée à moins d'être
absolument indispensable. L’utilisation d’une rallonge câble
inadaptée peut entraîner un risque d’incendie et
d'électrocution.

French
- 3 -
a) Les broches de la prise du câble d’extension sont du
même nombre, taille, et forme que celles de la prise
sur le chargeur;
b) Le câble d’extension est correctement connecté et de
bonne condition électrique;
c) La taille du câble est assez large pour l’ampérage ac
du chargeur comme spécifié dans le Tableau.
8. Ne faites pas fonctionner le chargeur avec un câble
d'alimentation ou prise endommagée –remplacez-les
immédiatement.
9. Ne faites pas fonctionner le chargeur s’il a reçu un coup, est
tombé par terre ou endommagé; confiez-le à un technicien
de maintenance qualifié.
10. Ne désassemblez pas cet appareil, amenez-le dans un
centre de réparation autorisé pour réparation quand une
réparation est requise. Un réassemblage incorrect peut
entrainer un risque de choc électrique ou d’incendie.
11. Afin d'éviter tout dommage pendant le nettoyage ou
l’entretien, débranchez toutes les batteries et placez-les
dans un endroit dégagé. Débranchez le YUA3AMPCH de la
prise secteur. Utilisez un tissu légèrement humide pour
nettoyer les éléments et les cellules. N’utilisez pas de
dissolvant ou de savon.
12. Placez les câbles d’alimentation de telle façon à ce qu'ils ne
soient pas écrasés, ne gênent pas le passage, ou tendus de
façon anormale.

French
- 4 -
13. N’essayez jamais de charger une batterie gelée. Autorisez le
retour de la batterie à la température ambiante avant la
connexion. La fourchette d’utilisation suggérée va de 0°C
(32°F) to 50°C (122°F) à température ambiante.
14. N’utilisez jamais cet équipement dans ou sur un bateau ou
véhicule à moteur directement. Vous devez retirer la batterie
du bateau ou du véhicule à moteur et la charger à l’endroit
correctement installé de ce chargeur.
15. N’installez pas le YUA3AMPCH dans un endroit exposé à
l’humidité ou un climat tropical, ou à proximité d’un
combustible comme des déchets, des liquides inflammables
ou de la vapeur.
AVERTISSEMENT –RISQUE DE GAZ EXPLOSIFS
a) TRAVAILLER A PROXIMITE D’UNE BATTERIE PLOMB
ACIDE EST DANGEREUX. LES BATTERIES GENERENT
DES GAZ EXPLOSIFS LORS DU FONCTIONNEMENT
NORMAL DE LA BATTERIE. POUR CETTE RAISON, IL
EST EXTREMEMENT IMPORTANT DE SUIVRE LES
INSTRUCTIONS CHAQUE FOIS QUE VOUS UTILISEZ LE
CHARGEUR.
b) Pour réduire le risque d’une explosion de batterie, suivez
ces instructions et celles publiées par le fabriquant de la
batterie et fabriquant de tout équipement que vous
envisagez d’utiliser à proximité d’une batterie.
AVERTISSEMENT –RISQUE DE MELANGE DE GAZ
EXPLOSIFS
1. Connectez et déconnectez les fils des batteries seulement
lorsque le câble d’alimentation est déconnecté.
2. Pour une batterie installée dans un véhicule, connectez
d’abord le fil de sortie du chargeur à un poste de batterie
non mis à terre –non connecté à un châssis automobile –
en conformité avec l’identification de polarité puis branchez