Power-Sonic PSC-241000A - Manual (Page 3)

3
GENERAL DESCRIPTION
This unit is a two stage, constant voltage battery charger with current limiting, current fold back, and
automatic temperature compensation of the output voltage. It is protected against shorting the out-
put terminals and reversing the output terminals on a battery. It is equipped with an IEC-320 type
power input module with fuse holder and a spare fuse. A 6' long detachable power cord with NEMA
5-15P plug is provided for use in North America. Other power cords can be ordered with plugs de-
signed to mate with receptacles in other countries. There is an input voltage selection switch located
above the input module to select between 115 V~ and 230 V~. The standard output cable is 3' long
with insulated boots and spring clips. There is one indicator light on the front panel. It lights green to
indicate when power is applied and, when a battery is attached, that the charger is in float mode. It
lights yellow when the unit is charging the battery. It lights red to indicate a fault condition (shorted
or reversed output connector). The unit has a full metal enclosure to ensure field reliability.
This unit is designed to automatically switch into a single stage, float charge mode when the battery is
charged. A single stage, parallel charger version is available for keeping a battery fully charged when
used with a permanent or intermittent parallel load. The use of an optional low voltage cut out is
recommend when using parallel loads. This unit is not designed to operate as a standalone power
supply.
OPERATING INSTRUCTIONS
Before using this battery charger, make sure it is compatible with your battery. Refer to the ratings on
the battery charger, the specifications in this manual, and your battery documentation.
Determine the battery polarity. Most batteries identify the positive terminal with a "+" sign or the
color red and identify the negative terminal with a "-" sign or the color black. Connect the red insu-
lated output clip to the positive battery terminal and connect the black insulated output clip to the
negative battery terminal. If the charger is provided with a polarized connector, make sure your bat-
tery connector is wired to match the output connector.
The input voltage setting is displayed on the selection switch on the back of the unit. If this setting
must be changed, make sure the power cord is disconnected while operating the switch. Operating
the switch while power is applied may cause damage to the switch or charger. Plug the power cord
into a properly grounded outlet which supplies the correct input voltage.
The indicator light should now be yellow, indicating that the charger is operating and in charge mode.
The yellow charge light will stay on until the battery is about 95% recharged. At this point the indica-
tor will turn green and the battery may be used. The battery should be left connected to the charger
for an additional three hours to ensure a 100% recharge. To insure a full charge and to help your bat-
tery keep its full capacity, we recommend the battery be left connected to the charger, in float charge
mode, until ready to use. The battery may be left connected to the charger indefinitely, in float
charge mode, without danger of overcharging.