NRS ELC-12/20-D Installing, Operating And Service Instructions

MODEL ELC-12/20-S and ELC-12/20-D
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.

1. IMPORTANT SAFETY INSTRUCTIONS

a. Before using the battery charger, read all the
instructions and caution markings on the
battery charger, the battery, and all of the
products using the battery.
b. Do not touch the uninsulated parts of the AC
input or the DC wires, the charger's binding
posts, or the battery terminals, as there is a
possibility of electrical shock.
c. Batteries produce
operating, which can explode if ignited.
Never smoke, use an open flame, or create
sparks in the vicinity of the battery. Ventilate
the area well when the battery is charging in
an enclosed area.
d. Batteries contain caustic material which may
cause burns. Do not get in eyes, on skin, or
clothing. If the gelled or liquid content of the
batteries contacts the skin or clothing, wash
the area thoroughly with water. In the case
of contact with the eyes, flush immediately
with clean water for 15 minutes and obtain
medical attention.
e. Only qualified personnel should program or
service this equipment.
www.nationalrailwaysupply.com
1-800-357-3572
NATIONAL
RAILWAY
SUPPLY
BATTERY CHARGER
DO NOT DISCARD THIS MANUAL AFTER READING.
hydrogen gas while
f. De-energize
connections before servicing this unit.
injury does occur, apply standard treatment
for electrical shock and, if necessary, consult
with a physician.
g. The charger is not for outdoor use. Do not
expose the charger to rain or snow.
h. Do not operate the charger if it has received
a sharp blow, been dropped, or otherwise
damaged.
i. Do not disassemble the charger. Have the
charger examined
RAILWAY SUPPLY service agent.
charger is assembled incorrectly, damage to
the charger and the batteries or an electrical
shock may result.

2. DESCRIPTION

The NATIONAL RAILWAY SUPPLY charger, model
12/20, is a convection-cooled, solid state, SCR
regulated charger that provides either a constant
current or constant voltage output. The charger can
be set to charge batteries within a voltage range of
10.00 to 17.00 volts for gel-cell, liquid lead-acid,
nickel cadmium, nickel iron, and starved electrolytic
batteries.
1
*31318*
Installing, Operating and
Service Instructions for the
12/20 Solid State Charger
IT MEANS:
all AC and DC power
by a NATIONAL
If the
31318G
If