ATLAS 9 of 44 User’s Manual
4. AC INPUT
WARNING: FAILURE TO PROPERLY CONNECT THE AC VOLTAGE CONDUCTORS COULD CAUSE
SERIOUS DAMAGE TO THE CHARGER.
WARNING: DO NOT OPERATE THE CHARGER WITHOUT PROPER GROUNDING. IMPROPER
GROUNDING CAN RESULT IN THE RISK OF AN ELECTRIC SHOCK.
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK OR FIRE, DISCONNECT AC POWER
FROM THE CHARGER BEFORE INSTALLING OR REMOVING UNIT.
WARNING: DO NOT TOUCH THE CHARGER'S TERMINALS OR AN ELECTRICAL SHOCK COULD
OCCUR. A VOLTAGE IS PRESENT ON THE DC TERMINALS EVEN AFTER THE AC IS DISCONNECTED
BECAUSE OF THE ENERGY STORED IN THE CAPACITORS.
The charger has an AC input rating of 100-240 volts, 50-200 hertz, single-phase. The charger has an AC
operating range of 90-264 volts, 45-205 hertz. Below 100 volts, the charger may reduce output power.
Use an appropriate size wire for the AC input. Quarter-inch (1/4") ring terminals are required for proper
connection to the AC input binding posts (A.A.R.) located on the front of the charger. Open the access door
cover on the front of the charger. Route the AC wires and/or conduit in accordance with the National
Electrical Code and all local codes and ordinances. Dress field installed Class 2 or Class 3 circuits at
least 1/4 inch (6.3 mm) away from power, light, or Class 1 circuits. Connect the AC input terminals on
the two right-most posts, as marked on the A.A.R. terminal board, inside of the access door. Connect the AC
ground to the terminal lug provided, as also marked on the inside of the access door. Close the access door
after tightening all of the binding post nuts.
5. DC OUTPUT
WARNING: DO NOT TOUCH THE CHARGER'S TERMINALS OR AN ELECTRICAL SHOCK COULD
OCCUR.
WARNING: BATTERIES GENERATE EXPLOSIVE GAS. CHARGE ONLY IN WELL VENTILATED
AREAS. TO PREVENT ARCING OR BURNING NEAR BATTERIES, DO NOT DISCONNECT THE DC
CHARGING CONNECTOR(S) FROM THE BATTERIES WHEN THE CHARGER IS OPERATING. IF THE
CHARGE CYCLE MUST BE INTERRUPTED, UNPLUG THE AC POWER CORD BEFORE
DISCONNECTING THE DC OUTPUT CONNECTOR(S) FROM THE BATTERIES. KEEP SPARKS, FLAME,
AND SMOKING MATERIALS AWAY FROM BATTERIES. TO REDUCE THE RISK OF FIRE, DO NOT USE
THE CHARGER NEAR FLAMMABLE MATERIALS OR VAPORS.
Use Table 5-1 to select the appropriate gauge and length DC output cable for your application. Maximum
wire gauge is 4 AWG to fit the openings for the DC wiring above the binding posts (A.A.R.). Dress field
installed Class 2 or Class 3 circuits at least 1/4 inch (6.3 mm) away from power, light, or Class 1
circuits.
Quarter-inch (1/4") ring terminals are required for proper connection to the DC output binding posts (A.A.R.)
located on the front of the charger. Open the access door cover on the front of the charger. Connect the DC
output terminals on the two left-most posts, with positive (+) on the left and negative (-) on the right, as
marked on the A.A.R. terminal board, inside of the access door. Check to make sure that the polarity of the
DC output wires are the same as those connected to the battery. The charger will not operate in a reversed
polarity condition. If the DC polarity is reversed, the main DC output fuse will protect the charger from internal
damage. Correct the reversed wires and replace the fuse. Close the access door after tightening all of the
binding post nuts.
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