Schumacher Electric SE50 Operating instructions
ELECTRIC CORPORATION
801 BUSINESS CENTER DRIVE • MOUNT PROSPECT, ILLINOIS 60056-2179
Send Warranty Product Repairs to: 1025 E. Thompson Avenue, Hoopeston, IL 60942-0280
Call Customer Service if you have questions: 1-800-621-5485
A.
IMPORTANT SAFETY INSTRUCTIONS
1. SAVE THESE INSTRUCTIONS - This manual contains important safety
and operating instructions for battery charger models.
MODELS: SE-40MAP, SE-50MA-2 and SE-3004
A BATTERY CHARGER RECEIVES AC POWER FROM THE ELECTRIC OUTLET AND
DELIVERS DC CURRENT TO THE BATTERY.
2. Before using battery charger, read all instructions and cautionary markings on (1) battery
charger, (2) battery and (3) product using battery.
3. CAUTION - To reduce risk of injury, charge only lead acid type rechargeable batteries.
Other types of batteries may burst causing personal injury and damage.
4. Use of an attachment not recommended or sold by the battery charger manufacturer may
result in a risk of fire, electric shock, or injury to persons.
5. To reduce risk of damage to electric plug and cord, pull by plug rather than cord when
disconnecting charger.
6. Make sure cord is located so that it will not be stepped on, tripped over, or otherwise
subjected to damage or stress.
7. An extension cord should not be used unless absolutely necessary. Use of improper
extension cord could result in a risk of fire and electric shock. If extension cord must be
used, make sure:
(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; and
(c) That wire size is large enough for AC ampere rating of charger as specified below:
AC INPUT RATING, AMPERES
Equal to or
Greater than
0
2
3
but less than
2
3
4
AWG SIZE OF CORD
Length of Cord, Feet
25
50 100 150
18
18
18
18 18
18 16
18 16
16
14
14
8. Do not operate charger with damaged cord or plug - replace them immediately.
9. Do not operate charger if it has received a sharp blow, been dropped or otherwise damaged in any way; take it to a qualified service man.
10. Do not disassemble charger; take it to a qualified serviceman when service or repair is
required. Incorrect reassembly may result in a risk of electric shock or fire.
11. To reduce risk of electric shock, unplug charger from outlet before attempting any maintenance or cleaning. Turning off controls will not reduce this risk.
B.
WARNING - RISK OF EXPLOSIVE GASES
1. WORKING IN 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 INSTRUCTION EXACTLY.
2. To reduce risk of battery explosion, follow these instructions and those published by
battery manufacturer and manufacturer of any equipment you intend to use in vicinity of
battery. Review cautionary marking on these products and on engine.
C.
PERSONAL PRECAUTIONS
1. Someone should be within range of your voice or close enough to come to your aid when
you work near a lead-acid battery.
00-99-000161/0103
2. Have plenty of fresh water and soap nearby in case battery acid contacts skin, clothing or
eyes.
3. Wear complete eye protection and clothing protection. Avoid touching eyes while working
near battery.
4. If battery acid contacts skin or clothing, wash immediately with soap and water. If acid
enters eye, immediately flood eye with running cold water for at least 10 minutes and get
medical attention immediately.
5. NEVER smoke or allow a spark or flame in vicinity of battery or engine.
6. Be extra cautious to reduce risk of dropping metal tool onto battery. It might spark or shortcircuit battery or other electrical part that may cause explosion.
7. Remove personal metal items such as rings, bracelets, necklaces and watches when
working with a lead-acid battery. A lead-acid battery can produce a short-circuit current high
enough to weld a ring or the like to metal, causing a severe burn.
8. Use charger for charging a LEAD-ACID battery only. It is not intended to supply power to
a low-voltage electrical system other than in an automotive application. 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.
9. NEVER charge a frozen battery.
10. 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.
D.
PREPARING TO CHARGE
1. If necessary to remove battery from vehicle to charge, always remove grounded terminal
from battery first. Make sure all accessories in the vehicle are off, so as not to cause an arc.
2. Be sure area around battery is well ventilated while battery is being charged. Gas can be
forcefully blown away by using a piece of cardboard or other non-metallic material as a fan.
3. Clean battery terminals. Be careful to keep corrosion from coming in contact with eyes.
4. Add distilled water in each cell until battery acid reaches level specified by battery manufacturer. This helps purge excessive gas from cells. Do not overfill. For a battery without cell
caps, carefully follow manufacturer’s recharging instructions.
5. Study all battery manufacturer’s specific precautions, such as removing or not removing
cell caps while charging, and recommended rates of charge.
6. Determine voltage of battery by referring to car owner’s manual and make sure that output
of charger is the same. If charger has adjustable charge rate, charge battery initially at
lowest rate.
E. CHARGER LOCATION
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 specific gravity or filling battery.
4. Do not operate charger in a closed-in area or restrict ventilation in any way.
5. Do not set a battery on top of charger.
6. Do not expose charger to rain or snow.
F. DC CONNECTION PRECAUTIONS
1. Connect and disconnect DC output clips only after seeing any charger switches to off
position and removing AC cord from electric outlet.
2. Attach clips to battery posts and twist or rock back and forth several times to make a good
connection. This tends to keep clips from slipping off terminals and helps to reduce risk of
sparking.
G.
FOLLOW THESE STEPS WHEN BATTERY IS INSTALLED IN VEHICLE. A SPARK NEAR
BATTERY MAY CAUSE BATTERY EXPLOSION. TO REDUCE RISK OF SPARK
NEAR BATTERY:
1. Position AC and DC cords to reduce risk of damage by hood, door, or moving engine
parts.
2
2. Stay clear of fan blades, belts, pulleys, and other parts that can cause injury to persons.
3. Check polarity of battery posts. POSITIVE (POS, P. +) battery post usually has larger
diameter than NEGATIVE (NEG, N. -) post.
4. Determine which post of battery is grounded (connected) to the chassis. If negative post
is grounded to chassis (as in most vehicles), see #5. If positive post is grounded to the
chassis, see #6.
5. For negative-grounded vehicle, connect POSITIVE (RED) clip from battery charger to
POSITIVE (POS, P. +) ungrounded post of battery. Connect NEGATIVE (BLACK) clip 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 gage metal part of the frame or engine
block.
6. For positive-grounded vehicle connect NEGATIVE (BLACK) clip from battery charger to
NEGATIVE (NEG, N. -) ungrounded post of banery. Connect POSITIVE (RED) clip 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 gage metal part of the frame
or engine block.
7. When disconnecting charger, turn switches to off, disconnect AC cord, remove clip from
vehicle chassis, and then remove clip from battery terminal, in that order.
8. See operating instructions for length of charge information.
H.
FOLLOW THESE STEPS WHEN BATTERY IS OUTSIDE VEHICLE. A SPARK NEAR
THE BATTERY MAY CAUSE BATTERY EXPLOSION. TO REDUCE RISK OF A SPARK
NEAR BATTERY:
1. Check polarity of battery posts. POSITIVE (POS, P. +) battery post usually has a larger
diameter than NEGATIVE (NEG, N. -) post.
2. attach at least a 24 inch-long 6-gauge (AWG) insulated battery cable to NEGATIVE
(NEG, N. -) battery post.
3. Connect POSITIVE (RED) charger clip to POSITIVE (POS, P. +) post of battery.
4. Position yourself and free end of cable as far away from battery as possible - then connect NEGATIVE (BLACK) charger clip to free end of cable.
5. Do not face battery when making final connection.
6. When disconnecting charger, always do so in reverse sequence of connecting procedure and break first connection while as far away from battery as practical.
7. A marine (boat) battery must be removed and charged on shore. To charge it on board
requires equipment specially designed for marine use.
I.
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 an equipment-grounding conductor and 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. This battery charger is for use on a nominal 120-volt circuit and has a grounding
plug that looks like the plug illustrated in sketch A in figure 1. A temporary adapter, which
looks like the adapter illustrated in sketches B and C, may be used to connect this plug to a
two-pole receptacle as shown in sketch B if a properly grounded outlet is not available. The
temporary adapter should be used only until a properly grounded outlet can be installed by
a qualified electrician.
DANGER - Before using adapter as illustrated, be certain that center screw of outlet plate
is grounded. The green colored rigid ear or lug extending from adapter must be connected
to a properly grounded outlet - make certain it is grounded. If necessary, replace original
outlet cover plate screw with a longer screw that will secure adapter ear or lug to outlet cover
plate and make ground connection to grounded outlet.
Use of an adapter is not allowed in Canada. If a grounding type receptacle is not available,
do not use this appliance until the proper outlet is installed by a qualified electrician.
3
FIGURE 1
GROUNDING METHODS
J.
OPERATING INSTRUCTIONS
This battery charger is equipped with a self-reseeing circuit breaker. This device protects
the charger from tempory overloads. In the event of an overload, the circuit breaker will trip
open and after a short cooling off period will reset automatically. This process is known as
cycling and can be recognized by an audible clicking sound.
K.
OUTPUT VOLTAGE SELECTOR SWITCH
Set output voltage selector switch to match voltage of battery to be charged. For models
without voltage selector switch make sure voltage of battery matches that of the charger.
Battery charger models having a voltage selector switch are for charging a 6 or 12 volt
battery. Those having no voltage switch are intended for charging a 12 volt battery or
two 6 volt batteries connected in series.
CHARGE RATE SWITCH: Provided on model SE-50 MA-2 only. For smaller batteries, 30
AMP hours (Ah) or less, use only the 2 AMP rate. If time is not a factor, the 2 AMP rate is
also ideal for charging and maintaining larger batteries.
L.
This battery charger is equipped with an electronic control circuit which automatically govern the charge rate to your battery, (except when switch near ammeter is in its left hand
position, marked “MANUAL’ in that position charger will not automatically shut off and user
must guard against overcharging battery).
This charger has optional charging for Low Maintenance/Conventional and Maintenance
Free/Deep Cycle batteries. These chargers employ a selector switch marked correspondingly.
It is important when using this battery charger to determine initially if the battery being charged
is of (1) Maintenance Free/Deep cycle type or (2) Low Maintenance/Conventional type. Refer to section Q for additional information.
Before making any connections to battery, set selector switches for type battery being charged,
read instructions F, G and H carefully.
M.
Indication of proper operation to a discharged battery but otherwise in good condition:
1. The amp meter should initially indicate the maximum output ampere rating of the charger.
2. Charge current will gradually taper to approximately one half maximum rating.
During this period the battery is approaching full charge state.
3. As the battery continues to charge the charge rate should taper to approximately 3 amp or
less. Now your battery should be fully charged.
4
4. The battery will continue to charge at this low rate and gradually shut off completely. The
charger will turn back on automatically when the battery needs to be charged again.
5. At no time during the charge cycle should there be any sign of vigorous bubbling of the
battery fluid. If that occurs, see Problem Checklist Item 4.
N.
CHARGE PERIOD
The approximate required time to bring a battery to a full charge state depends upon the
number of ampere-hours (AH) depleted from the battery. AH’s are determined by multiplying
the number of hours times the number of amps supplied by a battery to a load. For example
- If a load was connected to a battery. which drew 7 amps for a period of 5 hours, the battery
will have supplied 35 AH. The approximate recharge time would then be calculated by dividing the 35 AH depleted from the battery, by the ampere charge rate of the charger. To allow
for tapering of the charge rate add 25 percent to the charge time.
Indications of a fully charged battery are:
1. When the ammeter indicates the charge rate has tapered to approximately one half the
charger rated output.
2. A hydrometer reading of the specific gravity of the electrolyte (fluid) of the battery in good
condition should be between 1.250 and 1.285.
3. When a battery reaches 80-85% of full charge, bubbles will appear on the surface of the
fluid. As the battery nears full charge, bubbling will become more noticeably vigorous.
O.
DISCONNECTING FROM BATTERY:
Before disconnecting from battery read instructions F. G and H carefully.
P.
STORAGE: Store battery charger in a dry area.
Q.
Distinguishing Maintenance free from Low Maintenance and Conventional batteries can
be difficult.
1. Maintenance Free batteries are usually constructed with calcium and lead as primary
materials. If the battery is known to be of a calcium/lead construction it should be charged
with the battery charger switch in the “Maintenance Free” position.
2. Low Maintenance and Conventional batteries use antimony/lead in their construction.
IMPORTANT When antimony is known to be one of the materials used in the battery’s
construction, that battery is a Low Maintenance/Conventional type.
If primary battery materials are unknown, the following information may be helpful in determining the kind of battery to be charged.
MAINTENANCE FREE batteries will not normally require water additions, therefore, filler
caps have been removed from the battery surface. These batteries will have a smooth or
sealed appearance.
CAUTION: Some Low Maintenance batteries have a relatively smooth top without any apparent battery filler caps. If, however, the battery manufacturer/distributor recommends periodic checking of electrolyte level and provides access to the battery for water additions, the
battery is probably a Low Maintenance/ Conventional type.
R.
LOW MAINTENANCE/CONVENTIONAL batteries will require periodic addition of water.
Filler caps, either individual or ganged removable type, are provided. Normally (see CAUTION above) these filler caps are visible above the battery surface. When charging, should
the output rate not taper (see section M-3), when using the Maintenance Free mode the
battery being charged may not be maintenance free. We then suggest reviewing the above
information concerning identifying Maintenance Free and Low Maintenance/Conventional
and attempting to recharge the battery as a Low Maintenance/Conventional battery.
PROBLEM CHECKLIST
1. If no meter reading, check the following:
a. Remove the charger power cord from the AC outlet and recheck the battery charger
clips for clean, tight connections.
b. Check voltage selector switch for proper setting.
c. Check for voltage at the AC outlet by plugging in a lamp or other appliance.
5
d. The battery may already be fully charged.
2. If Ammeter pointer moves to extreme right, remains a short time, then returns to zero,
accompanied by a clicking sound, check the following:
a. A severly discharged, but otherwise good battery. In this situation, the circuit breaker
will continue to cycle and the ammeter pointer will swing from one side to the other
until the battery has recovered sufficiently to allow a normal charging.
b. A defective battery may cause repeated circuit breaker cycling. A battery in this
condition will not accept a charge and should be replaced.
c. Check voltage switch for proper setting.
3. If charging current is less than full output rating of the charger, check the following:
a. Perhaps battery is partially charged.
b. Perhaps battery is sulphated and will not accept full charge rate.
c. Perhaps power line is providing low AC supply voltage.
4. If vigorous bubbling of battery fluid occurs, battery should be tested for shorted cell.
This charger is polarity protected; it will not turn on if connected Improperly to the batteries
or if the batteries have no voltage or if not connected to battery. This charger is protected
against short circuit and sparks when you make your connections to the battery. This charger
will shut off completely when the battery is fully charged and will turn back on automatically
when the battery needs to be charged again.
LIMITED WARRANTY
SCHUMACHER ELECTRIC CORPORATION, 801 BUSINESS CENTER DRIVE, MT. 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 WARRANTY AND THE MANUFACTURER NEITHER
ASSUMES NOR AUTHORIZES ANYONE TO ASSUME 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 PRODUCT AND EXPRESSLY EXCLUDES SUCH FROM THIS
LIMITED WARRANTY.
SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR
CONSEOUENTIAL DAMAGES OR LENGTH OF IMPLIED WARRANTY SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU.
THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE
OTHER RIGHTS WHICH VARY FROM STATE TO STATE.
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