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nominal.  The charger utilizes convection cooling 
which maximizes the reliability and minimizes any 
maintenance costs.  Only liquid electrolyte (wet) lead 
acid batteries should be recharged with this charger 
to ensure superior battery performance and life.  A 
patented electronic circuit turns the charger on and 
off automatically.  When the battery has reached its 
maximum state of charge, the circuitry will turn the 
charger off. 

 

RECEIVING AND INSTALLING THE CHARGER 

When the charger is received, portable chargers 
should be checked for possible in-transit damage.  If 
any damage is found, it should be reported as a 
claim to the carrier. 

Proper installation of the charger is important in 
order to achieve good charger performance and to 
prevent damage to the charger and batteries.  The 
charger should be located in a clean, cool, dry and 
well-ventilated area.  To permit free airflow for 
convection cooling, allow three inches (3") minimum 
between the charger and any wall and six inches 
(6") between the charger and other equipment.  
Position the charger on a foundation of stone, brick, 
concrete or grounded metal. 

DANGER:  TO REDUCE THE RISK OF FIRE, 

DO NOT USE THE CHARGER NEAR 
FLAMMABLE MATERIALS OR VAPORS. 

 

AC INPUT AND GROUNDING INSTRUCTIONS 

CAUTION:  TO REDUCE THE RISK OF 

ELECTRIC SHOCK OR FIRE, DISCONNECT 
POWER TO RECEPTACLE BEFORE INSTALLING 
OR REMOVING UNIT. 

For 120 VAC Nominal, 60 Hz Chargers: 

Chargers should be grounded to reduce the risk of 
electric shock.  Charger is equipped with an electric 
cord having an equipment-grounding conductor and 
a grounding plug.  The installed plug must be 
plugged into an outlet that is properly installed and 
grounded in accordance with all electrical codes and 
ordinances. 

DANGER:  NEVER ALTER AC CORD OR 

PLUG PROVIDED IF IT WILL NOT FIT OUTLET.  
HAVE A PROPER OUTLET INSTALLED BY A 
QUALIFIED ELECTRICIAN.  IMPROPER 
CONNECTION CAN RESULT IN A RISK OF 
ELECTRIC SHOCK. 

This battery charger is for use on a nominal 120 volt 
circuit and has a grounding plug, which looks like the 
adapter illustrated in Figure A.  A temporary adapter, 
which looks like the adapter illustrated in Figures B 
and C, may be used to connect this plug to a two-

pole receptacle as shown in Figure B if a properly 
grounded outlet is not available.  The temporary 
adapter should be used only until a grounded outlet 
can be installed by a qualified electrician. 

GROUNDING METHODS 

 

NOTE:  The use of the adapter shown in figures B 

and C is not permitted in Canada. 

DANGER:  BEFORE USING ADAPTER AS 

ILLUSTRATED, BE CERTAIN THE CENTER 
SCREW OF OUTLET PANEL IS GROUNDED. 

The green-colored rigid ear or lug extending from 
adapter must be connected to a properly grounded 
outlet.  If necessary, replace original outlet cover 
plate screw with a longer screw that will secure 
adapter ear or lug to outlet plate and make ground 
connection to grounded outlet. 

For 230 VAC Nominal, 50 Hz Chargers: 

This battery charger must be grounded to reduce the 
risk of electric shock.  This charger is equipped with 
an electrical cord having an equipment-grounding 
conductor, which must be connected to the ground 
prong of an appropriate plug for a nominal 230 Volt, 
50 Hertz circuit.  This plug must be connected to an 
appropriate AC outlet, which is properly installed and 
grounded in accordance with the National Electrical 
Code and all local codes and ordinances. 

 

EXTENSION CORD REQUIREMENTS 

Always use a three conductor No. 12 AWG heavy 
duty cord with ground, properly wired, in good 
electrical condition and keep it as short as possible.  
Make sure the pins on the plug of the extension cord 
are the same number, size and shape as the AC 
plug of the battery charger.  The use of an improper 
extension cord could result in a risk of fire or 
electrical shock.  Locate all cords so they will not be 
stepped on, tripped over or otherwise subjected to 
damage or stress. 

 

OPERATING INSTRUCTIONS 

1.  Connect AC supply cord to a properly grounded 

single phase outlet of the proper voltage and 
frequency as specified on the charger front. 

Содержание LESTRONIC II 19740

Страница 1: ...ing 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 Pins on plug of extension cord are the same number size and shape as those of p...

Страница 2: ...OF ELECTRIC SHOCK This battery charger is for use on a nominal 120 volt circuit and has a grounding plug which looks like the adapter illustrated in Figure A A temporary adapter which looks like the adapter illustrated in Figures B and C may be used to connect this plug to a two pole receptacle as shown in Figure B if a properly grounded outlet is not available The temporary adapter should be used...

Страница 3: ... operation examine and tighten if necessary all connections Be sure the chassis is securely grounded If any problems cannot be resolved consult a qualified service center Observe the following battery cycle maintenance procedures to obtain good performance and maximum cycle life 1 Always observe the following personal safety precautions when working with lead acid batteries a Someone should be wit...

Страница 4: ...HZ PART NO QTY DESCRIPTION 31211S 1 CASE ASSEMBLY FOR DC W 2 10 WIRES BASE WITH LOW VOLTAGE SWITCH 26838S 1 CASE ASSEMBLY FOR DC W 2 10 WIRES 27668S 1 CASE ASSEMBLY FOR DC W 1 10 2 CORD 19745S 1 TRANSFORMER ASSEMBLY 04401S 1 CAPACITOR 4 0 MFD 660 VAC 16354S 1 HEATSINK ASSEMBLY W DIODES 08776S 1 FUSE ASSEMBLY 24800S 1 ELECTRONIC TIMER KIT 24228S 1 RELAY FOR ELECTRONIC TIMER 23385S 1 RELAY FOR ELECT...

Страница 5: ...ry to the owner will be paid for by the owner All warranty work accomplished at the Lester factory will be completed with a reasonable time after receipt of defective items This warranty does not cover any semiconductor parts such as diodes which are vulnerable to electrical overloads beyond the control of Lester Warranty on parts not manufactured by Lester which include but are not limited to tim...

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