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BATTERY CHARGER - ELECTRIC VEHICLES
DANGER
• The charging area must be ventilated. Hydrogen level in the air must never exceed 2%. The total volume of
air in the charging area must be changed five times per hour. Exhaust fans should be located at the highest
point of the roof. Contact a local HVAC engineer.
• Do not charge the vehicle batteries with the vehicle covered or enclosed. Any enclosure or cover should be
removed or unzipped and pulled back when batteries are being charged. An accumulation of hydrogen gas
could result in an explosion.
WARNING
Only trained technicians should repair or service the charger.
Each charger should have its own dedicated 15 or 20 ampere separately protected (circuit breaker or fuse)
single phase branch circuit, in accordance with all applicable electrical codes for the location.
Connect the charger AC supply cord to a properly grounded, three-wire outlet of the proper voltage and
frequency as shown on the charger.
Do not use an adapter to plug the charger with a three-prong plug into a two-prong outlet. Improper
connection of the equipment-grounding conductor can result in a fire or an electrical shock.
An extension cord or electrical outlet must accept a three-prong plug. Extension cord should be a three-
wire No. 12 AWG (American Wire Gauge) or no. 14 (British Standard Wire Gauge), and be as short as
possible. The use of improper extension cord could result in fire or an electrical shock.
Do not operate the charger if it has received a sharp blow, was dropped, or otherwise damaged in any way.
Have worn, cut, or damaged power cords or wires replaced immediately.
Do not use near fuels, grain dust, solvents, thinners, or other flammables. Chargers can ignite flammable
materials and vapors.
Do not expose to rain or any liquid. Keep the charger dry.
Never push objects of any kind into the charger through cabinet slots. They may touch dangerous voltage
points or cause an electrical short circuit that could result in fire or electrical shock.
Do not connect a stationary charger to the receptacle if the charger cord, plug, or the vehicle receptacle is
broken, damaged, or does not make a good electrical connection. Fire or personal injury can result. Have a
qualified technician replace the parts.
When the charger is on, the charger DC cord may be disconnected from the vehicle receptacle slowly.
Jerking or pulling the DC cord out quickly could cause arcing and burning that could damage the plug and
receptacle and could cause batteries to explode.
Do not block or cover the charger ventilation slots. The slots provide ventilation and protect the charger
from overheating.
Do not allow clothing, blankets, or other material to cover the charger.
Do not allow the charger to operate for more than 30 minutes at 19 or more amperes.
Install surge arrestors on incoming AC power lines. Surge arrestors will help protect electrical components
in the charger and on the vehicle from all but direct or close lightning strikes.
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