www.tornadovac.com 4 01515J
prevent damage to the charger and batteries. The
charger should be located in a clean, cool, dry, and
well ventilated area. To permit free air flow 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
CAUTION: TO REDUCE RISK OF ELECTRIC
SHOCK OR FIRE, DISCONNECT POWER TO
RECEPTACLE BEFORE INSTALLING OR
REMOVING UNIT.
This battery charger must be connected to a 120
VAC, 60 Hertz, single-phase AC power source.
GROUNDING INSTRUCTIONS
Charger should be grounded to reduce risk of
electric shock. Charger is equipped with an electric
cord having an equipment-grounding conductor.
The installed 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 IF IT WILL A NOT FIT OUTLET. HAVE A
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, 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 properly
grounded outlet can be installed by a qualified
electrician.
GROUNDING METHODS
NOTE: Use of an 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 PLATE 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 cover plate and make
ground connection to grounded outlet.
EXTENSION CORD REQUIREMENTS
Always use a three-conductor, No. 14 AWG (1.5mm)
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 electric
shock. Locate all cords so they will not be stepped
on, tripped over or otherwise subjected to damage
or stress.
DC OUTPUT
This battery charger is designed to produce a 24-volt
DC output with an initial charge current of 20 amps.
ONLY 24 VOLT, 12 CELL, SERIES CONNECTED,
168 TO 275 AMP-HOUR, LIQUID-ELECTROLYTE
(WET) LEAD-ACID BATTERIES SHOULD BE
USED. The charge current will decrease gradually
to about 6 amps as the battery reaches full charge
and will remain there until the charger turns off. As
the battery ages the charge current may no longer
decrease to the 6 amp finish current. Liquid
electrolyte batteries will normally be charged to 2.5-
2.6 volts per cell.
OPERATING INSTRUCTIONS
1. Connect AC supply cord to a properly grounded
120 volt, 60 Hertz, single phase outlet.
2. Connect the DC output plug by grasping the
plug body and pushing it straight into the
receptacle until it is fully engaged. The BLACK
wire must be connected to battery negative (-),
and the RED or WHITE wire to battery positive
(+). Make sure all connections are clean and
tight.
3. The charger will start after a short delay as
indicated by the transformer hum and the
ammeter movement.
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