Samlexpower SEC-2440A Owner's Manual Page 1

SEC - 1260ASEC - 1280ASEC - 2440AModel No.AUTOMATIC BATTERY CHARGEROWNER’S MANUALPlease read this manual before operating your chargerSwitch Mode, Aut

CAUTION!When 2 or more batteries / battery strings are connected in parallel and are then connectedto a charger (See Figs. 2 and 3 given above), atten

CHARGING BATTERIESThe batteries can be charged by using good quality AC powered battery charger or fromalternative energy sources like solar panels, w

CHARGING STAGESNOTE: Voltage reading on no load. The output terminals of the charger consist of onecommon white / black negative terminal (3) and tw

BATTERY VOLTAGES – CHARGED AND DISCHARGED CONDITIONSThe cell voltage of a battery depends upon the temperature of the battery and has a negativetemper

Stage 2 - Constant Overcharge Voltage, Timed Absorption / Boost Charge Mode (UoPhase): When the charger enters Stage 2 from Stage 1, the battery is ap

CAUTION!3 stage charging is recommended for charging stand-alone unloaded batteries (there is no loadconnected to the battery when it is being charged

PROTECTIONSThe charger has the following protections:SHORT CIRCUIT SHUT DOWNIn case of a short circuit on the output side, the output of the charger w

INSTALLATIONLOCATION, MOUNTING AND SAFETYThe charger is required to be installed in a safe, well ventilated and dry location. Please seethe details gi

PREPARING THE CHARGER FOR OPERATIONSELECTING AC INPUT VOLTAGEThe charger is pre-set to operate from AC input voltage of 120 VAC, 50 / 60 Hz.To operate

CHARGING MORE THAN ONE BANK OF BATTERIESCAUTION! When charging more than one bank of batteries at the same time using 3 StageCharging, ensure that the

Important safety precautions...2Description...

DIP Switch Setting for SEC-2440AS1 S2 Float Boost Battery Type Charging Stages / ApplicationStand-alone chargingOFF * ON * 27 V * 28.8 V * Flooded /

REDUCTION OF MAXIMUM CHARGING CAPACITY TO HALF TO CHARGELOWER CAPACITY BATTERIESBatteries should not be charged at very high currents to ensure long l

REMOTE PANEL - MODEL NO. 900-RCAn optional wired Remote Panel Model No. 900-RC (15) can be ordered. It comes with 10metres of flat ribbon cable (14) t

OPERATIONSWITCHING ON / OFFThe charger is switched on /off with the illuminated AC input power on / off switch (9) locatedon the rear panel of the uni

CHARGING A BATTERY INSTALLED IN A VEHICLEFollow these steps when the battery is installed in a vehicle. A spark near a battery maycause battery explos

POWERING OTHER DC LOADSThe charger can be used as a power supply or as a DC UPS (DC Un-interruptible PowerSupply. For both these applications, first s

TROUBLESHOOTINGThe symptoms of abnormal operation and the possible cause(s) and remedies are given in thesucceeding paragraphs.There is no output. The

When the charger is powered and is being used as a DC power supply / UPS, theoutput voltage drops when the DC load is switched on or increased.The cha

The battery is taking excessively long time to fully rechargeorWhen the charger is powered and is being used as a DC power supply / UPS, theoutput vol

SPECIFICATIONSPARAMETER SEC-1260ANominal Input Voltage Factory Preset 120 VAC/50-60 Hz(105 to 125 VAC) By changing internal 230 VAC/50-60 Hz jum

IMPORTANT SAFETY PRECAUTIONSHazardous conditions may result if the charger is not installed or operated correctly.Please read the following instructio

SPECIFICATIONSNotes: * The charging voltages shown are applicable at battery temperature of 80o FThe above specifications are subject to change with

SPECIFICATIONSNotes: * The charging voltages shown are applicable at battery temperature of 80o FThe above specifications are subject to change with

WARRANTY INFORMATION2 YEAR Limited WarrantySEC-1260A / SEC-1280A / SEC-2440A battery chargers manufactured by Samlex America,Inc. (the “Warrantor”) ar

Notes

Attach receipt

Samlex America Inc.110-17 Fawcett RoadCoquitlam B.C., Canada V3K 6V2e-mail: [email protected]: www.samlexamerica.comSEC-1260A_SEC-1280A

DESCRIPTIONSEC-1260A/SEC-1280A (for 12 V batteries) and SEC-2440A (for 24 V batteries) are highcurrent, 3 Stage Chargers that deliver 60 A, 80 A and 4

COMPONENTS AND ACCESSORIES1. Output Connnector + Bank 12. Output Connector + Bank 23. Output Connector - Common4. Charging Indicator LED5. DIP Switche

SPECIFYING LEAD ACID BATTERIES AND CHARGERSFLOODED / WET CELL AND SLA (SEALED LEAD ACID) BATTERIESThere are two categories of lead acid batteries – Fl

REDUCTION IN USABLE CAPACITY AT HIGHER DISCHARGE RATESAs stated above, the rated capacity of the battery in AH is generally applicable at a discharger

DEPTH OF DISCHARGE AND BATTERY LIFEThe more deeply a battery is discharged on each cycle, the shorter the battery life. Usingmore batteries than the m

Page 8Parallel ConnectionWhen two or more batteries are connected in parallel, their voltage remains the same buttheir AH capacities add up. Fig. 2 ab