background image

Switch Mode

DC Power  

Supply  

with Battery 

Backup
SEC-1223BBM-230

Please read this 
manual BEforE  
installing unit

owner's 

Manual

Summary of Contents for SEC-1223BBM-230

Page 1: ...Switch Mode DC Power Supply with Battery Backup SEC 1223BBM 230 Please read this manual before installing unit Owner s Manual ...

Page 2: ...Output Connection Dimensions 5 Section 3 Description Principle of Operation 6 Section 4 Protections 8 Section 5 Installation 10 SECTION 6 Operation 13 Section 7 Limiting Electro Magnetic Interference EMI 15 Section 8 Troubleshooting Guide 18 Section 9 Specifications 21 Section 10 Warranty 23 ...

Page 3: ...wer cord is plugged into the corresponding European CEE 7 7 Schuko receptacle in the power outlet the chassis of the unit is automatically connected to the Earth Ground through the Equipment Grounding Conductor that is connected to the grounding contact of the European CEE 7 7 Schuko outlet The power cord must be plugged into a European CEE 7 7 Schuko outlet that is properly installed and grounded...

Page 4: ...w a spark or flame near the batteries Use caution to reduce the risk of dropping a metal tool on the battery It could spark or short circuit the battery or other electrical parts and could cause an explosion Remove metal items like rings bracelets and watches when working with batteries The batteries can produce a short circuit current high enough to weld a ring or the like to metal and thus cause...

Page 5: ... when ON 2 AC Power Cord Inlet Type IEC 320 C14 Detachable Power Cord with IEC 320 C13 connector on one end and CEE 7 7 Schuko Plug on the other end is provided with the unit 3 Black Negative DC Load Terminal 4 Red Positive DC Load Terminal 5 Black Negative Battery Terminal 6 Red Positive Battery Terminal 7 Vent opening for cooling fan discharge Bottom of the unit F1 Fast blow Fuse 32V 25A F2 Fast...

Page 6: ...ery backup with charging in conjunction with external 12V Lead Acid Battery FEATURES Advanced Switch Mode Technology Reliable 12V DC Uninterruptible Power Source DC UPS in conjunction with external 12V Lead Acid Battery backup Under battery backup function short time overload of up to 50A for 1 sec can be supplied to allow starting of devices that require higher starting surge current High efficie...

Page 7: ...s overload of 50A the Power Supply Section will provide 25A and the balance 25A will be supplied by the battery and the battery will discharge at 25A for the period of the surge During the period of this surge current overload the voltage seen by the load will be battery voltage 0 3V 0 2V If battery backup function is not used external backup battery is not connected the unit will work as a normal...

Page 8: ...f 25A by its Current Limit Circuitry If the load tries to draw a higher current than the current limit value of 25A the output voltage at the Load Ter minals 3 4 and the Battery Terminals 5 6 will not be regulated and will drop below 13 8V 0 2V If the load impedance is further reduced the current will remain limited at 25A but the voltage will drop further In case of short circuit maximum limited ...

Page 9: ...ple if a short circuit current of 170A tries to flow for 100 ms 25A will be supplied by the Power Supply Section and the balance 145A will be supplied by the battery As the external 25A Fuse F2 on the load side will see 170A and the external 25A Fuse F1 on the battery side will see 145A the external 25A load side Fuse F2 will blow first PROTECTION AGAINST REVERSE POLARITY OF BATTERY CONNECTION In ...

Page 10: ...lease see details given under Section 1 Safety Instructions The unit can be mounted horizon tally or vertically When mounting vertically please ensure that the Output Terminals are pointing up or down AC INPUT CONNECTION A detachable power cord has been supplied Connect the power cord to the AC Power cord Inlet 2 Plug the power cord to the AC outlet Please ensure that the voltage of AC input power...

Page 11: ...er than 3 ft See Table 5 1 below USE THICKER WIRE OUT THE 2 SIZES CALCULATED BASED ON THE FOL LOWING 2 CONSIDERATIONS 1 Safety of Conductor Insulation Current I flowing through resistance R of conductor produces power loss I2 R in the form of heat which results in temperature rise in the conductor Temperature rise is higher for higher current higher resistance longer length and thinner cross secti...

Page 12: ...his can cause injury and is a fire hazard Similarly a power source is also be capable of driving considerably high value of current into a short circuit on the load side and causing damage as above the current will however be limited to the maximum rated overload current and not unlimited as in the case of a battery Appropriate fuse should there fore be used in series with the battery Positive pos...

Page 13: ... indicating that the Power Supply Section is in ON condition After a few milli sec 13 8V 0 2V will be available at the Load and Battery Terminals Switch ON the load Switching ON With Battery Backup External Battery is Connected Check that the load has been connected to the Load Terminals 3 4 through external 25A Load Side Fuse F2 Check that the external battery has been connected to the Battery Te...

Page 14: ...n the battery cables and will be proportional to its State of Charge When the battery is fully charged the voltage at the Battery Terminals 5 6 will approach13 8V 0 2V If AC input power fails the DC load s will be instantaneously transferred to the external 12V backup battery and the battery will start discharging When the battery is supplying the load the voltage seen at the Load Terminals will b...

Page 15: ...tifier noise and diode recovery The AC input rectifier capacitor in the front end of the SMPS excepting those with Power Factor correction generate power supply harmonics due to the non linear input current waveform The noise is both conducted and radiated through the input power cord and the DC output wiring to the radio FILTRATION OF CONDUCTED NOISE The conducted RF noise from this SMPS unit is ...

Page 16: ...ider suitability of EMC Cord IMU 13 from EMC Eupen www emceupen com or similar Use additional appropriate DC radio frequency interference RFI power line filter rated for minimum 30 A immediately after the DC output of the power supply For example consider suitability of 30A filter Model FD10EE030 from Curtis Indus tries www curtisind com or similar Twist the Positive and Negative wires from the ou...

Page 17: ...rine craft RVs spas hot tubs kitchens washrooms etc As explained earlier RF noise filtration circuits in SMPS generate intentional Earth Leak age Current SMPS are used extensively as DC power sources in modern day electrical electronic devices e g Audio Video Computing devices power supplies battery chargers etc A single GFCI outlet GFCI breaker may be serving multiple SMPS loads and therefore wil...

Page 18: ...ically when the transformer windings cool down to 75 C 5 C 167 F 9 F ON OFF Switch is ON Switch is lighted DC Output voltage drops If the voltage loses regulation and drops to 13 5V the unit is overloaded and is in current limit The load is trying to draw the current limit value of 25A If the voltage drop is considerable with voltage 2V the load side is seeing a short circuit and short circuit cur...

Page 19: ...105 C 5 C 221 F 9 F Check that the fan is running if not the fan fan control circuit may have been damaged Call Tech Support Check that the fan suction vents on the sides of the unit and the discharge vents on the bottom of the unit are not blocked The Power Supply Section will reset automatically when the transformer windings cool down to 75 C 5 C 167 F 9 F During the time the Power Supply Sectio...

Page 20: ...ckup function does not operate Load shuts OFF when AC power is interrupted 25A Fuse F1 in the battery circuit is blown due to Reversal of battery input connections Short circuit in the battery wiring Check that the polarity of battery connections is correct Replace the fuse Check for short circuit in the battery wiring and correct GFCI outlet GFCI breaker supplying AC power to the unit trips when ...

Page 21: ...mitted by Time Current Characteristics of 25A load side fuse In Battery backup Mode Output Current Limit at Battery Terminals Battery Backup 4A When battery is completely discharged to Standing Voltage of 11 4V Peak Efficiency 85 5 External Backup Battery Type Voltage Lead Acid 12V Capacity 40Ah to 100 Ah Protections Short Circuit Overload External 25A Fuse will blow Over Voltage Regulated by PWM ...

Page 22: ...for Load and Battery Connections Terminal with Tubular Hole Diameter 5mm 0 2 and set screw 10 24 TPI 5 16 long Battery wires Minimum AWG 10 as per NEC Table 310 15 B 17 Ampacity 40A 1 25 times Maximum current of 25A Conductor temperature rating of 90 C 194 F Environmen tal Operating Temperature Range 0 C 32 F to 30 C 86 F Dimensions Weight Dimensions W x D x H 185 x 240 5 x 61 mm 7 28 x 9 47 x 2 4...

Page 23: ...ving 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 w...

Page 24: ...561 5885 Fax 888 814 5210 Local Numbers Ph 604 525 3836 Fax 604 525 5221 Website www samlexamerica com USA Shipping Warehouse Kent WA Canadian Shipping Warehouse Delta BC Email purchase orders to orders samlexamerica com 11001 SEC 1223BBM 230 0315 ...

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