Samlexpower SEC-2415E Owner's Manual

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AUTOMATIC BATTERY CHARGER www.samlex.com

www.samlex-solar.com

Model No.

SEC - 1215E

SEC - 1230E

SEC - 2415E

OWNER’S MANUAL

Please read this manual before operating your charger

CONTENTS

IMPORTANT SAFETY PRECAUTIONS ................................................. 2

DESCRIPTION AND FEATURES .......................................................... 3

CHARGING STAGES ................................................................................ 4

PROTECTIONS ......................................................................................... 5

INSTALLATION ........................................................................................ 6

CHARGER OPERATION ...............................................................7,8,9,10

TROUBLESHOOTING ........................................................................11,12

INTERNAL FUSE RATINGS ................................................................. 12

SPECIFICATIONS ................................................................................... 13

WARRANTY ............................................................................................ 14

IMPORTANT SAFETY PRECAUTIONS

Hazardous conditions may result if the charger is not installed or operated correctly.

Please read the following instructions to prevent personali njury or damage to the charger:

BatteryRelated r To reduce the risk of battery explosion, follow these instructions and those marked on the battery r Never smoke or allow an open spark or flame in the vicinity of the battery or engine r Charge only Lead Acid type of batteries (AGM/Wet/Gel/Fleece).

Do not charge other type of batteries like Nickel Cadmium( NiCad) ,

Nickel-MetalHydride(Ni-MH),Dry-Celletc. Other types of batteries might burst causing personal injury r Never charge a frozen battery r Working in the vicinity of Lead Acid batteries is dangerous. Batteries generate explosive gases during normal operation. Take necessary safety precautions when installing the charger near a battery or in a battery compartment (Follow safety instructions given by the battery manufacturer) r Never place the charger directly above or below the battery being charged; gases or fluids from the battery will corrode and damage the charger. Locate the charger as far away from the battery as DC cables permit. Do not install in the same compartment as batteries

ChargerRelated r Do not operate the charger in a closed-in area or restrict ventilation in any way.

Install in a well ventilated, cool, dry place. r The charger must not be operated in a damp or wet environment. When mounting in a boat, make sure it is not subjected to bilge watersplash. r Do not block the ventilation openings/openings for the coolingfan. There should be at least 15 cm. clearance all around the unit.

r Installation and wiring must comply with the local and the national electrical codes.

It is recommended that installation and wiring may be done by a certified electrician r Wrong installation on a boat may lead to corrosion of the boat. It is recommended that installation on the boat must be carried out by a boat electrician. r Disconnect the AC input power to the charger before connecting/disconnecting the batteries or other DC loads or when working on the charger. r Disconnect the AC input power before changing setting of the Dip Switch. r The chassis of the charger is connected to the earth ground pin of the power cord plug.

Ensure that the earth ground pin of AC receptacle feeding the charger is connected to earth ground r Do not use an adapter. If a grounding type of receptacle is not available, do not use this charger until the proper outlet is installed by aqualified electrician.

Do not operate the charger if the power cordis damaged

DESCRIPTION

These chargers are used to charge Lead Acid Batteries (Fle ece/AGM/Gel/Wet). SEC-1215E

(Maximum charging current 15A) and SEC-1230E ( Maximum charging current 30A) are used to charge 12Vbatteries. SEC-2415E (Maximum charging current 15A) is used to charge

24V batteries. These chargers can be powered from AC power source of 230 V, 50Hz.

FEATURES r State of the art switched mode technology is used for very high efficiency, light weight and quiet operation. r User selectable 2 or 3 stage charging algorithm ensures rapid and safe charging of all types of lead acid batteries-Fleece, AGM, Wet, Gel or batteries with external load.

(Through externally accessible Dip Switch- see pages 7 & 8 for instructions ) r Fully automatic —”Connectand Forge” operation r 3banksofbatteriescanbecharged simultaneously without use of an external battery isolator r Monitoring through ON status LED and Amp meter r Temperature controlled cooling fan (SEC-1230E, SEC-2415E) r Protectionsagainst short circuit, overcurrent, reverse battery connection and over temperature (over temperature for SEC-1230E and SEC-2415E) r 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“)

COOLING

SEC-1215E is cooled by convection and does not have any thermal overload shut down.

SEC-1230E and SEC-2415E are cooled by convection and in addition, have a temperature 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 transformer reaches 70 degrees C.

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 ifthe power transformer reaches 100 degrees C.

The red LED will switch off. The unit will automatically recover on removal of thermal overload condition.

CHARGING STAGES

NOTE ! - VOLTAGE READINGS ON NO LOAD

The output has one common negative terminal and three positive terminals for charging 3 banks of batteries. Each positive terminal has an internal isolating diode in series which has a forward voltage drop of 0.8 to1.1V. On no load (that is when no battery or other dc load is connected to any of the 3 terminals), the voltage reading will read 0.8to1.1V higher than the specified float voltage. Note that thes pecified float voltage is at a load of1A. Also, the voltage on the terminals not connected to the load (forexample,whenone bank of battery is connected to one positive terminal, the other 2 positive terminals will remain disconnected) will read

0.8to1.1Volt higher than the voltage of the loaded terminal.

These chargers can be manually selected to operate in 3 stage or 2 stage modes (Please see

“Selecting the Type of Battery and Charging Stages“ at page 7 ). The charging stages are described below :

STAGE 1 -CONSTANT CURRENT OR BULK CHARGE STAGE

When the battery is low, it will try to draw larger charging current. The charger senses the current draw and limits this to the maximum permissible value (15A for SEC-1215E/

SEC-2415E and 30A for SEC-1230E). Bulk charging takes place at this constant current.

In this condition of constant current, the voltage measured at the charger or battery terminals will be the battery ‘s own voltage. The constant current injected into the battery starts restoring the battery capacity and it‘svoltage starts rising. When this voltage approaches the threshold of battery “gassing“, termed “boost or absorption voltage“, the charger automatically switches over to Stage 2 -”Boost or Absorption Stage“. The value of this voltage depends upon the type of battery being charged (See Dip Switch Settings). By this time, approximately 80% of the battery capacity will normally have been restored (Note: The percentage capacity restored till the point the battery reaches the boost or absorption voltage is inversely proportional to the value of the bulk charge current.)

STAGE 2 -CONSTANT VOLTAGE BOOST OR ABSORPTION STAGE

As explained above, whenthebatteryvoltageapproaches the pointwhere battery ”gassing“ can begin, the charger automatically switches over to the ”Boost or Absorption Stage“. The charger applies a constant voltage whose value depends upon the type of battery selected

(See Dip Switch Settings). This controlled overcharge restores the balance 20% of the capacity in a minimum amount of time. As the capacity is fully restored, the charging current starts reducing. When the current reduces below the preset threshold, the charger automatically switches to the “Float or Maintenance Stage“.

STAGE 3 -CONSTANT VOLTAGE, FLOAT OR MAINTENANCE CHARGING STAGE

As explained above, as the charging current drops below the preset threshold ( 1.5 to 2 amps for

SEC-1215E / SEC-2415E and 2.5A to 3A for SEC-1230E ), it signals that the battery is 100% charged. In this “Float or Maintenance Charging Stage“, the charger outputs a constant voltage of 13.8V for 12V system and 27.6V for 24V system. This helps in maintaining 100% capacity of the battery and also compensates for self discharge. The battery can remain connected in this stage in definitely without the risk of overcharging or excessive loss of electrolyte.

CAUTION!

3 stage charging is recommended for charging stand-alone unloaded batteries(there is no load connected to the battery when it is being charged).

If a load is also connected simultaneously, a part of the charger‘s output current will be diverted to this load. Thus, the charger may remain locked in the ”Boost or Absorption Mode“ if the current drawn by the load is more than the preset value of threshold current determining change over between the Boost and Float Stages. This will lead to overcharging and loss of

electrolyte.

For charging a battery when a load is also connected simultaneously, the “Boost or Absorption

Stage“ is required to be disabled. Select ”Battery with Load“ using the Dip switch. See details under “powering other DC loads“ at page 10.

PROTECTIONS

The charger has the following protections:

Short Circuit Shut Down

In case of a short circuit on the output side, the charger will shut down. The red LED will switch off. The charger will automatically recover once the short circuit condition is removed.

OverloadCurrentLimiting

The current drawn by the load is automatically limited to a maximum of 15A for SEC-1215E /

SEC-2415E and 30A for SEC-1230E. If the load tries to draw a higher current than these limits, the output voltage of the unit will start to drop. The unit will automatically recover when the overload condition is removed.

Reverse Battery Connection Cut Off

The output is internally fused on the DC side. In case, the polarity of the battery connection is reversed, the fuse(s) will blow. The red LED will switch off. The fuse(s) will be required to be replaced for the unit to function again.

Thermal Overload Shutdown

CAUTION: Keep the charger in a well ventilated, cool and open area. Do not block the vent holes

on the sides or the discharge openings of the cooling fan.

SEC-1215E is cooled by convection and does not have any thermal overload shut down.

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 100 degrees C. The red LED will switch off.

The unit will automatically recover on removal of thermal overload condition.

INSTALLATION

Location, mounting and safety

The charger is required to be installed in a safe, well ventilated and dry location. Please see the details given under “Important Safety Instructions“ on page 2.

With the help of 4 screws, mount the charger on a vertical bulkhead with the output terminal side facing down.

Output connectors

A terminal block with tubular, screw down type of terminals is used for output connection.

The diameter of the tubular holes is as follows:

SEC-1215E 4mm

SEC-2415E/ SEC-1230E 6mm

CAUTION!

For firm connection when using stranded cable, crimp / solder”pin” style terminal on the charger end of the DC cables used for connecting to the battery / other DC loads.

Cables

To avoid polarity errors and possible damage, never use wires of only one color. Use red insulated wire(s) for positive connection(s) and black for negative connection(s)

Recommended DC cable sizes are given below. The length in feet is the length of the pair of the positive and negative DC cables from the charger to the battery / other DC load:

Length of the pair of the

Positive & negative cables

SEC-1215E/ SEC-2415E SEC-1230E

0 to 1,80 mtr

1,80 to 3 mtr

3 to 6 mtr

6 Mmq

10 Mmq

16 Mmq

10 Mmq

16 Mmq

25 Mmq

PREPARING THE CHARGER FOR OPERATION

Selecting the Type of Battery and Charging Stages

The Float Voltage and Boost Voltage (Also called Absorption or Overcharge Voltage) of different types of Lead Acid Batteries are different. Also, when a charger is used to charge a battery and simultaneously supply a load, the Boost Stage is required to be disabled to prevent overcharging of the battery. A Dip Switch is provided on top of the output terminals for selecting the battery type and for disabling the Boost Stage when charging loaded batteries. The following selections can be made with the help of the

Dip Switch.

CAUTION! (Do not change the Dip Switch setting when the charger is operating.

Always change the Dip Switch setting when the charger is off, i.e. after disconnecting

the charger from the AC input power)

NOTE : The voltages are for a temperature of 80 Degrees F

DIPSWITCH SETTINGS -SEC-1215E/ SEC-1230E

OFF* ON*

OFF

Float

13.8 V*

13.8 V

Boost

14.8 V*

14.4 V

Disabled

Battery Type

Fleece/AGM*

Wet/Gel

Battery with load

Caution!!! Do not use this setting

Charging Stages

3 Stages (Stages 1, 2, 3)

2 Stages (Stages 1, 3)

DIPSWITCH SETTINGS -SEC-2415E

S1 S2

OFF* ON*

OFF

Float

27.6 V*

27.6 V

Boost

29.6 V*

28.8 V

Disabled

Battery Type

Fleece/AGM*

Wet/Gel

Battery with load

Caution!!! Do not use this setting

* Factory pre set in this position.

CAUTION!

PLEASE ENSURE THAT POSITION NO 4 OF THE DIP SWITCH

(S1-ON AND S2-ON) IS NEVER SELECTED

Charging Stages

3 Stages (Stages 1, 2, 3)

2 Stages (Stages 1, 3)

Connecting the batteries or other DC loads

The output has a common Negative(-) terminal and 3 Positive terminals for connection of 3 banks of batteries. Each Positive connector has it‘s own internal isolating diode which works as a battery isolator. If more than one bank of batteries is connected, these will be charged at the sametime (The maximum charging current of 15 A of SEC-1215E / SEC 2415E and 30 A of

SEC-1230E will be shared among the connected banks of the batteries depending upon their discharged states) as long as the AC power is available to the charger. In case the AC power fails or if there is no output from the charger, the isolating diodes will prevent charging/discharging among the batteries connected to the banks.

CAUTION! When a bank consisting of more than one battery in parallel is to be charged, make sure that their negatives are connected to the common negative terminal of the charger and their positives are connected to the same positive terminal of the charger. For example, when charging a bank consisting of 3 batteries connected in parallel, their 3 negative terminals should be connected to the common negative terminal of the charger and all their 3 positive terminals should be connected to the same (one of the 3) positive terminals of the charger. Alternatively, the negative terminals of the 3 batteries should first be shorted and then connected to the common negative terminal of the charger and similarly, the 3 positive terminals of the battery should first be shorted

and then connected to one of the 3 positive terminal sof the charger.

When connecting a single battery or other DC load, it can be connected to the common negative and any one of the 3 positive terminals.

OPERATION

When the charger is switched on, the red LED lights up indicating that output voltage is available. When the batteries are being charged or when the charger is supplying other DC load, the current fed by the charger will be indicated by the ammeter.

When the batteries are discharged, they will draw charging current proportional to their discharged condition (up to a maximum current rating of the charger) and this current draw will be shown by the ammeter. When the batteries are fully charged, they will draw very low current (may not be registered by the ammeter) to compensate for their self discharge.

Charging a Battery Installed in aVehicle

Follow these steps when the battery is installed in a vehicle. A spark near a battery may cause battery explosion. For safety and to reduce the risk of spark near the battery:

1 Position AC and DC cords to reduce risk of damage by hood, door or moving engine parts

2 Stay clear of fan blades, belts, pulleys and other parts that can cause injury to persons

3 Check the polarity of the battery posts. A positive (Pos,P,+) battery post usually has a larger

diameter than a Negative (Neg,N, -) post

4 Determine which post of the battery is grounded (Connected) to the chassis (Engine Block).

If the negative post is grounded to the Engine Block (Asin mostvehicles ), see sub paragraph 5.

If the positive post is grounded, see sub paragraph 6

5 For a negative grounded vehicle, connect the positive (red) DC cable from the charger

to the positive of the battery post. Connect the negative (black) DC cable from the charger

to a section of heavy gauge metal part of the frame or engine block which is away from

battery. Do not connect to carburetor, fuel lines or sheet metal body parts.

6 For a positive grounded vehicle, connect the negative (black) DC cable from the charger to

the negative of the battery post. Connect the positive (red) DC cable from the charger

to a section of heavy gauge metal part of the frame or engine block which is away from battery.

Do not connect to carburetor, fuel lines or sheet metal body parts.

7 Connect the charger AC power cord to the AC outlet

8 When dis connecting the charger, turn switches to off, disconnect AC powercord, remove

connection from the vehicle chassis and then remove connection from the battery terminal

Charging a Battery out side theVehicle

Follow these steps when the battery is out side the vehicle. A spark near the battery may cause battery explosion. For safety and to reduce risk of spark near the battery, connect the charger as follows:

1 Check the polarity of the battery posts. A positive (Pos,P,+)battery post usually has a

larger diameter than a Negative (Neg,N, -) post

2 Attach a piece of at least 10 cm, 16 Mmq insulated battery cable to the negative batterypost

3 Connect the positive (red) DC cable from the charger to the positive battery post

4 Position yourself and the free end of the piece of cable attached to the negative post as far

away from the battery as possible and then connect the negative (black) DC cable from the

charger tothe free end of the piece of cable attached tothe negative battery post

5 Do not face the battery when making the final connection

6 Connect the charger AC power cord to the AC outlet

7 When disconnecting the charger, always do so in reverse sequence of connecting procedure

and break the first connection while standing as far away from the battery as practical

Charging more than one bank of batteries

CAUTION! When charging more than one bank of batteries at the same time using 3 Stage

Charging, ensure that the batteries in the banks are in a similar discharged condition.If one bank is completely discharged and another is almost fully charged, the bank that is fully charged will be subjected to over charge condition during the time when the charger remains in Boost

Stage for charging the completely discharged bank.

Powering other DC Loads

The charger can be used as a power supply or as a DC UPS. For both these applications, first set the Dip Switch to “Battery with load“.(See under” Selecting the Type of Battery and

Charging Stages“ on page 4 )

To use as a power supply, first switch off the DC load. Connect the DC load between the common negative terminal and one of the three positive terminals. Ensure that the maximum

current drawn by the DC load is below the maximum current rating of the charger. Switch on the charger and then the DC load

In a DC UPS (Un-interruptible Power Supply),the charger simultaneously powers the DC load as well as the battery. As long as the AC power to the charger is available and the charger isworking normally, the charger will supply the DC load as well as charge/float the battery. In case the AC power fails or if the charger stopsworking, the battery will automatically power the DC load. As soon as the AC power to the charger is restored, the DC load will once again be fed by the charger and at the sametime the battery will be recharged. CAUTION! Please ensure that the sum of the current drawn by the DC load and the current desired for charging the battery is less than the maximum current capacity of the charger. To use as a DC UPS, first switch off the DC load and connect it to the battery.

Now connect the battery as explained above under ”Charging a Battery outside theVehicle“ on page 9. Switch on the charger and then switch on the DC load

TROUBLESHOOTING

SYMPTOMS WHEN THE CHARGER IS POWERED AND CONNECTED TO

THE BATTERY

THE RED LED IS OFF

The DC side fuse may have blown due to wrong polarity of battery connection. Ensure positive of the battery is connected to the positive of the charger and the negative of the battery is connected to the negative of the charger. Check the fuses inside the charger and replace, if blown.

The battery may be shorted. In this condition, the unit is shut down by the short circuit protection circuit. Remove the battery connection. If the red LED now comes on, the battery is shorted. If the red LED still does not come on, check if there is AC power in the receptacle.

If there is power, check the AC side fuse inside the unit. If the fuse is not blown, call

Technical Support.

THE RED LED IS ON BUT THE AMMETER SHOWS NO READING

The battery is fully charged. If the battery is not fully charged, the connection to the battery may be loose or open. Check tightness and continuity of the battery connection.

THE BATTERY IS GETTING OVER CHARGED OR BOILS

The charger is also feeding other DC load(s) in parallel with the battery. The Dip Switch is not selected for “Battery with Load“. Change Dip Switch setting to “Battery under Load“

(see under “Powering other DC loads“ on page 10.

SYMPTOMS WHEN THE CHARGER IS POWERED AND DIS-CONNECTED FROM

THE BATTERY

THE RED LED IS OFF

Check there is AC power in the receptacle. If there is power, check the AC side fuse inside the unit. If the fuse is not blown, check the DC side fuse. If the DC side fuse is not blown, the output may be shorted. In this condition, the charger is shut down by the short circuit protection circuit. Check that the output terminals are not shorted. If the terminals are not shorted , call Technical Support.

AC SIDE FUSE BLOWS AS SOON AS POWER IS TURNED ON

The AC input of charger is 230VAC but the unit is plugged into 115 VAC. Please check that when operation. If the AC input voltage is correct, the charger is defective.

DC SIDE FUSE BLOWS AS SOON AS THE BATTERY IS CONNECTED

Wrong polarity of the battery connection. Ensure positive of the battery is connected to the positive of the charger and the negative of the battery is connected to the negative of the charger.

SYMPTOMS WHEN THE CHARGER IS POWERED AND IS BEING USED AS A

DC POWER SUPPLY/UPS

THE VOLTAGE DROPS WHEN LOAD IS SWITCHED ON

The load is trying to draw current more than the current limit value of the charger

(the current limit value is the maximum specified charging amps). Once the load current reaches the current limit value, the current limit circuit is activated and the output voltage drops.

Some loads like motors, compressors, incandescent lamps, halogen lamps, heating elements, relays, coils, capacitors etc. draw very large in rush/starting currents which may reach up to

10 times their normal operating currents. Ensure that the starting / in rush current or the maximum operating current of the load is lower than the current limit value of the charger.

INTERNAL FUSE RATINGS

Both the AC side and DC sides have fuses that are located inside the charger. Disconnect the

AC power when checking or changing the fuses. Open the charger as follows:

1 Remove the 4 screws on the ammeter side of the topcover

2 Gently slide the top cover out by about 5 - 8 cm. (CAUTION ! The top cover will be restrained from fully sliding out by the wires connecting the ammeter, LED and fan)

3 The fuses will now be accessible

FUSE RATINGS:

230VAC INPUT

DC OUTPUT

SEC-1215E SEC-1230E

2A/ 250V

20A/32V

4A/ 250V

2x20A/32V

SEC-2415E

4A/ 250V

2x10A/32V

NominalInputVoltage

(Pre-set)

Output Voltage, Boost

1,2

Output Voltage, Float

Output Amps

Operating Temp.Range

Weight

Housing Dimensions

LXWXH mms

Protections

Output Banks

SEC-1215E

230 VAC,50 Hz

14.4 VDC, or 14.8 VDC or disabled

13.8 VDC

15 A

0-40°C

2.35 kgs

215x213x80

Short Circuit overload

1. Voltages based on battery temperature of 25ºC

2. Based on selection by DIP SWITCH. See page 7 & 8

Specifications are subject to change without notice.

SEC-1230E

230 VAC, 50 Hz

14.4 VDC, or 14.8 VDC or disabled

13.8 VDC

30 A

0-40°C

3.1 kgs

273x213x80

Short Circuit overload

SEC-2415E

230 VAC, 50 Hz

28.8 VDC or 29.6 VDC or disabled

27.6 VDC

15 A

0-40°C

3.1 kgs

273x213x80

Short Circuit overload

2 YEAR Limited Warranty

The automatic battery charger manufactured by Samlex Europe B.V. ( the “ Warrantor “ ) is warranted to be free from defects in workmanship and materials under normal use and service.

This warranty is in effect for 2 years from the date of purchase by the user ( the “ Purchaser “)

For a warranty claim, the Purchaser should contact the place of purchase to obtain a Return

Authorization Number.

The defective part or unit should be returned at the Purchaser’s expense to the authorized location. A written statement describing the nature of the defect, the date of purchase, the place of purchase, and the Purchaser’s name, address and telephone number should also be included.

If upon the Warrantor’s examination, the defect proves to be the result of defective material or workmanship, the equipment will be repaired or replaced at the Warrantor’s option without charge, and returned to the Purchaser at the Warrantor’s expense.

No refund of the purchase price will be granted to the Purchaser, unless the Warrantor is unable to remedy the defect after having a reasonable number of opportunities to do so.

Warranty service shall be performed only by the Warrantor. Any attempt to remedy the defect by anyone other than the Warrantor shall render this warranty void.

There shall be no warranty for defects or damages caused by faulty installation or hook-up, abuse or misuse of the equipment including exposure to excessive heat, salt or fresh water spray, or water immersion.

No other express warranty is hereby given and there are no warranties which extend beyond those described herein. This warranty is expressly in lieu of any other expressed or implied warranties, including any implied warranty of merchantability, fitness for the ordinary purposes for which such goods are used, or fitness for a particular purpose, or any other obligations on the part of the Warrantor or its employees and representatives.

There shall be no responsibility or liability whatsoever on the part of the Warrantor or its employees and representatives for injury to any persons, or damage to person or persons, or damage to property, or loss of income or profit, or any other consequential or resulting damage which may be claimed to have been incurred through the use or sale of the equipment, including any possible failure of malfunction of the equipment, or part thereof.

The Warrantor assumes no liability for incidental or consequential damages of any kind.

WWW.SAMLEX.COM

WWW.SAMLEX-SOLAR.COM

AUTOMATIC BATTERY CHARGER www.samlex.com

www.samlex-solar.com

Model No.

SEC - 1215E

SEC - 1230E

SEC - 2415E

OWNER’S MANUAL

Please read this manual before operating your charger

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