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SamplexPower SEC-1223P-BBM Owner's Manual

Switch mode dc power supply with battery backup
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Switch Mode
DC Power
Supply
with Battery
Backup
SEC-1223P-BBM
Owner's
Please read this
manual BEFORE
Manual
installing unit

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Summary of Contents for SamplexPower SEC-1223P-BBM

  • Page 1 Switch Mode Owner's Please read this manual BEFORE Manual DC Power installing unit Supply with Battery Backup SEC-1223P-BBM...

  • Page 2: Table Of Contents

    OWNER'S MANUAL | Index SECTION 1 Important Safety Instructions ..........3 SECTION 2 Layout, Output Connections & Dimensions ......6 SECTION 3 Description & Principle of Operation ........7 SECTION 4 Protections ................ 12 SECTION 5 Installation ................ 16 SECTION 6 Operation ................

  • Page 3: Important Safety Instructions

    SECTION 1 | Important Safety Instructions 1. IMPORTANT SAFETY INSTRUCTIONS CAUTION: RISK OF ELECTRIC SHOCK! DO NOT OPEN! WARNING—TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. THERE ARE NO USER SERVICEABLE PARTS INSIDE — REFER TO QUALIFIED SERVICE PERSONNEL.

  • Page 4: Precautions When Working With Batteries

    SECTION 1 | Important Safety Instructions 4. Place the unit in an area that will allow air to flow freely around the unit. DO NOT BLOCK OR OBSTRUCT vent openings on the sides of the unit. 5. Keep the unit away from moisture and water. 6.
  • Page 5 SECTION 1 | Important Safety Instructions MISE EN GARDE! 1. Les batteries contiennent de très corrosif de l’acide sulfurique dilué comme électrolyte. Des précautions doivent être prises pour éviter tout contact avec la peau, les yeux ou les vêtements. 2. Générer de l’hydrogène des batteries et de l’oxygène au cours de la charge résultant de l’évolution du mélange de gaz explosifs.

  • Page 6: Layout, Output Connections & Dimensions

    SECTION 2 | Layout, Output Connections & Dimensions LEGEND 1. Lighted Power ON /OFF Rocker Switch (Lights Red when ON) 2. AC Power Cord Inlet – Type “IEC 320-C14” (Detachable Power Cord with “IEC 320-C13” connector on one end and NEMA5-15P Plug on the other end is provided with the unit) 3.

  • Page 7: Description & Principle Of Operation

    SECTION 2 | Layout, Output Connections & Dimensions TOP VIEW NOTE: All dimensions are in mm. 240.5 57.8 13.5 Fig 2.2 Dimensional Drawing SECTION 3 | Description & Principle of Operation 3.1 DESCRIPTION SEC-1223BBM is a Power Factor Corrected Switch Mode Power Supply (SMPS), which converts 100-240 VAC, 50/60 Hz to regulated 13.8VDC ±...
  • Page 8 SECTION 3 | Description & Principle of Operation • Universal AC input range of nominal 100 VAC to 240 VAC, 50 to 60 Hz allows international application without changing jumpers / switch positions • Power Factor (PF) corrected to > 0.9 allows lower input current and line losses, lesser harmonic distortion and lower RF noise •...
  • Page 9 SECTION 3 | Description & Principle of Operation 3.3.2 Battery Charging and Backup Section Refer to Fig 3.1 3.3.2.1 In battery charging and backup application, the SMPS Section (details at Section 3.3.1 above) will supply the load current as well as the battery charging current to keep the battery charged to Float Voltage of 13.5V±...
  • Page 10 SECTION 3 | Description & Principle of Operation 3.3.2.4 Using Equation 1 above, it will be seen that the effective series resistance of 0.6 Ohm will limit the charging current. The charging current will be higher when the battery is more discharged and will progressively reduce as the battery voltage rises when charged.
  • Page 11 SECTION 3 | Description & Principle of Operation 3.3.2.5.1 Current flow through Schottky Diode “D2” will produce non-liner Forward Voltage Drop (Vf) as given in Table 3.3 below: TABLE 3.3 FORWARD VOLTAGE DROP (VF) OF SCHOTTKY DIODES “D2” Diode “D2” Current Diode “D2”...

  • Page 12: Protections

    SECTION 3 | Description & Principle of Operation 3.3.4 Normal Power Supply Function when Battery Backup is not used 3.3.4.1 If battery backup function is not used (external backup battery is not connect- ed), the unit will work as a normal power supply with ability to supply 23A continuous at 13.8 ±...
  • Page 13 SECTION 4 | Protections 4.1.1.3 When backup battery is NOT connected and the unit is operating as a power supply without battery backup, the entire load current is provided by the SMPS Section of the unit. In this case, Hiccup Modes of overload and short circuit protections will be provided as explained at Sections 4.1.1.2 (a) and (b).

  • Page 14: Cooling Fan

    SECTION 4 | Protections 4.2 PROTECTION AGAINST REVERSE POLARITY ON THE BATTERY CONNECTION 4.2.1 Refer to Fig 3.1 under Section 3 4.2.2 In case the polarity of battery connection is reversed, Diode “D3” will be forward biased and external 25A Fuse F1 will blow. 4.3 COOLING FAN 4.3.1 The unit is cooled by convection and in addition, it has a temperature controlled cooling fan located at the back of the unit (7, Fig 2.1).

  • Page 15: Overvoltage Protection

    SECTION 4 | Protections ATTENTION! Pour empêcher l’arrêt prématuré de l’unité en raison de l’activation de la protection de surchauffe, veuillez vérifier les points suivants : • Installer l’appareil dans un endroit bien aéré, frais et sec, à l’aire ouverte •...

  • Page 16: Installation

    SECTION 5 | Installation WARNINGS! PLEASE READ “Section 1 - Important Safety Instructions” for safe installation. 5.1 LAYOUT & DIMENSIONAL DRAWINGS 5.1.1 Please refer to the following: • Layout Drawing: Fig 2.1 • Dimensional Drawing: Fig 2.2 5.2 LOCATION, MOUNTING AND SAFETY 5.1.2 The unit is required to be installed in a safe, well-ventilated and dry location.
  • Page 17 SECTION 5 | Installation 5.4.5 Recommended Battery Capacity: Battery should not be charged at very high cur- rent. Normally, as a Rule of Thumb, the maximum charging current should be limited to 10% of the Ah capacity at 20 Hour Rate (C/20) unless higher current is allowed by the manufacturer.
  • Page 18 SECTION 5 | Installation TABLE 5.1: RECOMMENDED WIRE SIZES FOR 3 FT., 6FT. AND 10 FT. DISTANCES Size of Wiring for 2% Voltage Drop Rated Current 3 ft. 6 ft. 10 ft. AWG #10 AWG #8 AWG #6 As mentioned above, the calculated wire size is AWG #10 when considering safety of conductor insulation.

  • Page 19: Operation

    SECTION 6 | Operation 6.1 PREVENTING DISCHARGE OF BACKUP BATTERY WHEN AC INPUT IS NOT AVAILABLE CAUTION! If AC input power is NOT available and a battery has been connected for backup function, the load will be powered by the battery and the battery will con- tinue to discharge as long as the load is in ON condition.
  • Page 20 SECTION 6 | Operation After a few milli sec, 13.8V ± 0.2V will be available at the Load Terminals (3, 4 in Fig 2.1) and the external battery will start charging at current of up to 4A based on its initial Standing Voltage. 100% discharged battery will have Stand- ing Voltage of 11.4 ±...
  • Page 21 SECTION 6 | Operation Battery should not be charged at very high current. Normally, as a Rule of Thumb, the maximum charging current should be limited to 10% of the Ah capacity at 20 Hour Rate unless higher current is allowed by the manufacturer. Higher charging current produces higher heating, which reduces the life of the battery.

  • Page 22: Limiting Electro-Magnetic Interference (Emi)

    SECTION 7 | Limiting Electro-Magnetic Interference (EMI) CAUTION! Conducted and radiated noises in this unit are limited as per the applicable National / International Standards as detailed under Compliance: EMC in Section 9. This unit generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
  • Page 23 SECTION 7 | Limiting Electro-Magnetic Interference (EMI) 7.3 FILTRATION OF CONDUCTED NOISE The conducted RF noise from this SMPS unit is limited to the maximum allowable levels by internal filtration. The filtered RF noise currents (< few hundred micro Amps) are bypassed to the chassis of the power supply.
  • Page 24 SECTION 7 | Limiting Electro-Magnetic Interference (EMI) of the AC power outlet receptacle. Avoid connecting (referencing) the DC Negative output terminal of the power supply to the Earth Ground. • Connect a ¼” wavelength of wire on the Negative terminal of the power supply. Connect one end of the wire to the Negative terminal and leave the other end free.

  • Page 25: Troubleshooting Guide

    SECTION 8 | Troubleshooting Guide 8.1 OPERATION AS A SIMPLE POWER SUPPLY - ONLY LOAD IS CONNECTED. NO EXTERNAL BATTERY AND NO BATTERY BACKUP. Symptom Possible Cause Remedy ON / OFF Switch is ON No AC power from the Check AC power is available at the AC •...
  • Page 26 SECTION 8 | Troubleshooting Guide 8.2 BATTERY BACKUP OPERATION - EXTERNAL BATTERY IS CONNECTED Symptom Possible Cause Remedy ON / OFF Switch is ON No AC power from the Check AC power is available at • Switch is NOT lighted AC outlet feeding the unit the AC outlet.
  • Page 27 SECTION 8 | Troubleshooting Guide Symptom Possible Cause Remedy ON / OFF Switch is ON 25A Fuse F1 (Fig 3.1) in the Check that the polarity of battery • Switch is lighted connections is correct. Replace battery circuit is blown due to: •...

  • Page 28: Specifications

    SECTION 9 | Specifications Item Parameter Input: 115VAC Input: 230VAC AC Input Voltage Range 100-240 VAC AC Input Frequency 50/60Hz 3.01A at 120 VAC 1.49A at 240 VAC AC Input Current 3.15A at 115 VAC 1.55A at 230 VAC 3.68A at 100 VAC AC INPUT AC Input Inrush Current on 30A (Cold start)
  • Page 29 SECTION 9 | Specifications Item Parameter Input: 115VAC Input: 230VAC Hiccup Mode at 27.6A to 29A. Without Battery • Auto reset when fault is removed. Overload and Short Circuit External 25A Battery Side / With Battery Load Side Fuses will blow Reverse Polarity Connection on the External 25A Battery Side Fuse will blow Battery Side...

  • Page 30: Warranty

    Warranty 2 YEAR LIMITED WARRANTY SEC-1223P-BBM manufactured by Samlex America Inc. (the “Warrantor“) is warranted to be free from defects in workmanship and materials under normal use and service. The warranty period is 2 years for the United States and Canada, and is in effect from the date of purchase by the user (the “Purchaser“).
  • Page 31 Notes SAMLEX AMERICA INC. | 31...
  • Page 32 Ph: 1 800 561 5885 Fax: 1 888 814 5210 Local Numbers Ph: 604 525 3836 Fax: 604 525 5221 Website www.samlexamerica.com USA Shipping Warehouses Kent, WA Plymouth, MI Canadian Shipping Warehouse Delta, BC Email purchase orders to orders@samlexamerica.com 11001-SEC-1223P-BBM-0918...

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