Description, Features & Cooling - Samlexpower SEC-1215UL Owner's Manual

SECTION 3 |
3.1 DESCRIPTION
These chargers are used to charge Lead Acid Batteries (Flooded, AGM or Gel Cell). SEC-
1215UL (Maximum charging current 15A) and SEC-1230UL (Maximum charging current
30A) are used to charge 12 V batteries. SEC-2415UL (Maximum charging current 15A) is
used to charge 24 V batteries. These chargers can be powered from AC power source of
either 120 V, 60 Hz (Pre-set) or 230 V, 50 Hz (By changing jumper position inside the unit -
See Section 5.2.1 for instructions).
3.2 FEATURES
• State of the art switched mode technology is used for very high efficiency, lightweight
and quiet operation.
• User selectable AC input voltage - 120 V , 60 Hz (Pre-set) or 230 V , 50 Hz
[By changing jumper position inside the unit (See Section 5.2.1 for instructions)].
• User selectable 2 or 3 stage charging algorithm ensures rapid and safe charging of all
types of lead acid batteries - Flooded, AGM, Gel Cell or batteries with external load.
(Through externally accessible DIP Switches - see Section 5, Tables 5.1 and 5.2 for
instructions)
• Fully automatic "Connect and Forget" operation
• 3 banks of batteries can be charged simultaneously without use of an external battery
isolator
• Monitoring through ON status LED and Ammeter
• Temperature controlled cooling fan (SEC-1230UL, SEC-2415UL)
• Protections against short circuit, over current, reverse battery connection and over
temperature (over temperature for SEC-1230UL and SEC-2415UL)
• Can be used as a power supply or as a DC UPS (Uninterruptible DC Power Supply)
when used with a battery (DIP Switch set at "Battery with load" - See Section 5,
Tables 5.1 and 5.2 for instructions)
3.3 COOLING
SEC-1215UL is cooled by convection and does not have any thermal overload shut down.
SEC-1230UL and SEC-2415UL are cooled by convection and in addition, have a tempera-
ture controlled fan for forced air cooling. Two temperature sensors mounted on the
power transformer control the switching of the fan and over temperature shut down.
The fan will be switched on by the first temperature sensor when the power transform-
er reaches 60°C / 140°F.
Hence, at lower loads, the fan may not cut in and will be off. This is normal.
In case the fan fails or if the cooling is not adequate, the second temperature sensor will
shut down the unit if the power transformer reaches 105°C / 221°F. The red LED will switch
OFF. The unit will automatically recover on removal of thermal overload condition.
8 | SAMLEX AMERICA INC.
Description, Features & Cooling