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Lester 13820 24EL8 Safety And Operating Instructions Manual
Lester 13820 24EL8 Safety And Operating Instructions Manual

Lester 13820 24EL8 Safety And Operating Instructions Manual

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WHEELCHAIR BATTERY CHARGER
AC Supply:
DC Output:
Battery Capacity:
PLEASE SAVE THESE IMPORTANT SAFETY AND OPERATING INSTRUCTIONS
For correct operation of the equipment, it is important to read and be familiar
with this entire manual before installing and operating the charger.
LOOK FOR THIS SYMBOL TO POINT OUT SAFETY PRECAUTIONS.
BECOME ALERT—YOUR SAFETY IS INVOLVED. IF YOU DO NOT FOLLOW THESE
SAFETY INSTRUCTIONS, INJURY OR PROPERTY DAMAGE CAN OCCUR.
• Charger output characteristics are adjustable to charge gel cell and sealed or conventional replaceable liquid electrolyte
deep-cycle lead-acid batteries. Different charge characteristics are selected by a switch on the front of the charger.
• Patented electronic circuit monitors battery state of charge and automatically turns charger off when the batteries reach full
charge.
• Line voltage compensation produces consistent charger output for AC supply voltage variations of + 10% from nominal.
• Convection cooled design for maximum reliability and minimum maintenance.
IMPORTANT SAFETY INSTRUCTIONS
Before using battery charger, read all instructions
and cautionary markings on the battery charger,
battery, and wheelchair. Use of an attachment not
recommended
or
sold
manufacturer may result in a risk of fire, electric
shock, or injury to persons.
Operating Instructions
24 VOLT DUAL MODE
MODEL 13820
120 volts, 60 Hertz, single-phase, 4 amps maximum
24 volts, 8 amps, tapering to 3 amps or less
Two series connected 6 cell, 12 volt deep-cycle motive power batteries. Gel cell and
sealed or conventional replaceable electrolyte deep-cycle batteries
Battery Size
28 to 55 amp hours
56 to 85 amp hours
DO NOT DISCARD THIS MANUAL AFTER READING.
by
battery
charger
TYPE 24EL8
Specifications
Normal Recharge Time
8 hours
12 hours
Features
INTRODUCTION
The Dual-Mode wheelchair battery charger is
designed to recharge deep-cycle batteries of
conventional replaceable electrolyte or gel cell and
sealed design. The different charge characteristics
required by these different types of battery design
are selected by sliding the BATTERY TYPE selector
1
IT MEANS:
01056G

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Summary of Contents for Lester 13820 24EL8

  • Page 1 24 VOLT DUAL MODE WHEELCHAIR BATTERY CHARGER MODEL 13820 TYPE 24EL8 Specifications AC Supply: 120 volts, 60 Hertz, single-phase, 4 amps maximum DC Output: 24 volts, 8 amps, tapering to 3 amps or less Battery Capacity: Two series connected 6 cell, 12 volt deep-cycle motive power batteries. Gel cell and sealed or conventional replaceable electrolyte deep-cycle batteries Battery Size Normal Recharge Time...
  • Page 2 switch to the correct setting. A patented electronic WARNING: KEEP DRY; DO NOT EXPOSE TO circuit turns the charger on and off automatically. RAIN OR SPRAY. FOR STORAGE, KEEP Batteries used on wheelchairs are subjected to CHARGER IN A BUILDING. REPLACE WORN, severe deep-cycle duty on a daily basis.
  • Page 3 Replaceable liquid electrolyte deep-cycle batteries CAUTION: MAKE SURE THE BATTERY gave removable cell caps. Water electrolyzed by PACK 24-VOLT, 12-CELL, SERIES discharging and charging the battery is replaced CONNECTED, 28-85 AMP-HOUR (20 HR. RATE), through these openings. RECHARGEABLE DEEP-CYCLE BATTERY Gel cell and sealed deep-cycle, maintenance free SYSTEM.
  • Page 4 batteries are fully charged, check to be sure all WARNING: ALWAYS SHIELD EYES WHEN ventilation openings are free from obstructions. WORKING NEAR BATTERIES. DO NOT PUT After charger cools down to a safe temperature, WRENCHES OTHER METAL OBJECTS it will automatically restart. If charger repeatedly ACROSS BATTERY TERMINAL OR BATTERY overheats, refer to a qualified service agent.
  • Page 5: Personal Precautions

    2. Have plenty of fresh water and soap nearby in CAUTION: ALWAYS WEAR PROTECTIVE case battery acid contacts skin, clothing, or EYE SHIELDS AND CLOTHING WHEN WORKING eyes. WITH BATTERIES. BATTERIES CONTAIN ACID 3. Wear complete eye protection and clothing WHICH CAN CAUSE BODILY HARM.
  • Page 6 Charger is not plugged into a live AC outlet. The decrease in wheelchair range where the chair loses power earlier and earlier in the day indicates c. Fault in Wheelchair Wiring. Poor or open one of the following: connections in the wheelchair wiring that connects batteries;...
  • Page 7: Wiring Diagram

    WIRING DIAGRAM POWER SHUNT RESISTOR AMMETER SWITCH TRANSFORMER WHITE WHITE OUTPUT BLACK BLACK INPUT PLUG ORANGE BLUE BLUE BLACK WHITE BLUE YELLOW BLUE BROWN BROWN ELECTRONIC TIMER L2115S19 PARTS LIST FOR MODEL 13820 TYPE 24EL8 120 VAC / 60 HZ PART NO.
  • Page 8 Lester Electrical warrants each new Lester Battery Charger for defects in material and workmanship for a period of two (2) years from the date of manufacture of the complete unit. Repairs can be made at the Lester factory. To do so, first obtain a "Return Material Authorization"...