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SamplexPower MSK-10A Owner's Manual

Solar charge controller
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Solar
Charge
Controller
MSK-10A
Owner's
Please read this
manual BEFORE
Manual
using your
Charge
Controller

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Summary of Contents for SamplexPower MSK-10A

  • Page 1 Solar Owner's Please read this manual BEFORE Manual Charge using your Controller Charge Controller MSK-10A...

  • Page 2: Table Of Contents

    OWNER'S MANUAL | Index SECTION 1 Safety Instructions ..............3 SECTION 2 General Information, Features & Layout ....... 5 SECTION 3 Installation ................7 SECTION 4 Operation ................ 13 SECTION 5 Protections & Troubleshooting ........... 21 SECTION 6 Specifications ..............26 SECTION 7 Warranty ................

  • Page 3: Safety Instructions

    SECTION 1 | Safety Instructions IMPORTANT SAFETY INSTRUCTIONS PLEASE READ THE FOLLOWING SAFETY INSTRUCTIONS BEFORE USING THE CHARGE CONTROLLER. FAILURE TO ABIDE BY THE RECOMMENDATIONS MAY CAUSE PERSONAL INJURY / DAMAGE TO THE CONTROLLER. The following safety symbols will be used in this manual to highlight safety and information: WARNING! Indicates possibility of physical harm to the user in case of non-compliance.
  • Page 4 SECTION 1 | Safety Instructions 13. Batteries generate Hydrogen and Oxygen during charging resulting in evolution of explosive gas mixture in non-sealed batteries. Care should be taken to ventilate the battery area when non-sealed batteries are used and follow battery manufacturer’s recommendations. 14.

  • Page 5: General Information, Features & Layout

    & Layout 2.1 GENERAL INFORMATION MSK-10A is a 10A rated, Series Type of PWM (Pulse Width Modulation) Charge Controller. It is based on an advanced design using a microcontroller for digital accuracy and fully automatic op- eration. It is designed to charge 12V / 24V Lead Acid Batteries (factory preset to optimally charge Sealed Lead Acid - AGM batteries).
  • Page 6 (For wire size up to AWG#12 / 4mm NOTE: 1. If the Remote Battery Temperature Sensor is short-circuited or damaged, the control- ler will charge or discharge at the default temperature setting of 25°C. Fig 2.1: Layout of Charge Controller MSK-10A 6 | SAMLEX AMERICA INC.

  • Page 7: Installation

    SECTION 3 | Installation 3.1 SAFETY WARNING! CAUTION! PLEASE READ ALL THE SAFETY INSTRUCTIONS GIVEN IN SECTION 1 BEFORE INSTALLING AND OPERATING THE CONTROLLER. FAILURE TO ABIDE BY THE RECOMMENDATIONS MAY CAUSE PERSONAL INJURY / DAMAGE TO THE KIT. DO NOT USE THE UNIT IN WET ENVIRONMENT •...
  • Page 8 – – 138.6 NOTE: All dimensions are in mm Fig 3.1: Dimensional Drawing of Charge Controller MSK-10A 3.3 MOUNTING Refer to Fig 3.2 When mounting the controller, ensure free air through the ventilation slots at the bottom of the unit. There should be at least 6 inches (150 mm) of clearance above and below the controller to allow for cooling.
  • Page 9 Place the controller on the surface and align the mounting holes with the drilled holes in Step 3.3.4. Secure the controller in place using 2, #8 self tapping screws. 3.4 CONNECTIONS Solar Panel MSK-10A or Array NOTE: Maximum current on the Load Terminals should be limited to 10A...
  • Page 10 SECTION 3 | Installation 3.4.1 Step1: Battery Connection WARNING! RISK OF EXPLOSION OR FIRE! NEVER SHORT CIRCUIT BATTERY POSITIVE (+) AND NEGATIVE (-). MISE EN GARDE! RISQUE D'EXPLOSION OU D'INCENDIE! NE COURT-CIRCUITEZ JAMAIS LA BATTERIE POSITIF (+) ET NÉGATIF (-). Refer to Fig 3.2 Before the battery is connected, make sure that battery voltage is greater than 8V so as to start up the controller.
  • Page 11 SECTION 3 | Installation Battery Over Voltage (≥16V/32V): • Battery Status LED (2, Fig 2.1) will be fast blinking GREEN (4 Hz) • Load will be disconnected. This condition will be automatically reset at 15.0 / 30.0V. Battery is Over Discharged (≤11.1V/22.2V): Battery Status LED (2, Fig 2.1) will be steady RED. Output to Load Terminals will be disconnected.
  • Page 12 SECTION 3 | Installation 3.4.4.2 When the battery electrolyte temperature varies from the Standard Room Temperature of 25º C, the values of charging / discharging voltages will be compensated based on the actual battery electrolyte temperature using parameter called “Battery Temperature Compensation Coefficient”.

  • Page 13: Operation

    4.1 PRINCIPLE OF OPERATION OF SOLAR CHARGING WITH SERIES TYPE PULSE WIDTH MODULATION (PWM) CONTROL The design and operation of MSK-10A is based on Series Type PWM (Pulse Width Modulation) control at PWM frequency of 25 Hz. 4.2 PWM EXPLANATION The output of the Solar Panel(s)/ Array is connected to the battery in series with a Mosfet Switch inside the controller.
  • Page 14 At lower frequencies, the rise times of the charging pulses are lower which results in higher gas bubble formation resulting in lowering of active surface area and increase of internal impedance. In MSK-10A, frequency of 25 Hz is used for optimum charging performance. 4.3.2 Benefits of pulsing nature of charging current during PWM During PWM voltage regulated stages of Absorption, Float and Equalization, Duty Cycle is lower and the charging current is in the form of pulses.
  • Page 15 SECTION 4 | Operation 4.4.1.1 Stage 1 - Bulk Stage Please refer to Fig 4.1A This is almost a constant current stage. During this stage, the Mosfet Switch is kept at 100% Duty Cycle (ON continuously) and hence, maximum current equal to the available instantane- ous Short Circuit Current "Isc"...
  • Page 16 SECTION 4 | Operation 4.4.1.3.1 Automatic Exit from Float Stage to Absorption Stage The charger will exit Float Stage and enter Absorption Stage (Section 4.4.1.2) automatically as follows: (i) During Float Stage, if the load current is more than the current supplied by the Solar Panel(s), the battery voltage will drop.
  • Page 17 SECTION 4 | Operation ATTENTION! • Remplissez l'électrolyte avec de l'eau distillée une fois l'égalisation terminée. • Une surcharge excessive et un gazage trop vigoureux peuvent endommager les plaques de la batterie et provoquer une perte de matière active des plaques. Une égalisation trop élevée ou trop longue peut être dommageable.
  • Page 18 SECTION 4 | Operation zation. Equalizing batteries helps to bring all the cells of a battery to the same voltage. During the Equalization Stage, fully charged cells will dissipate the charging energy by gassing while incompletely charged cells continue to charge. 4.4.2.2 Equalization Charging Profile Please refer to Fig 4.1B Equalization Charging Profile is carried out automatically every 28 days whenever the battery is over...
  • Page 19 SECTION 4 | Operation 4.5 LED INDICATIONS LED indications for operational status are shown at Table 4.1. TABLE 4.1 LED INDICATIONS FOR OPERATIONAL STATUS Location of LED Color LED Lighting (Fig 2.1) Function of LED of LED Pattern Operational Status Solar Panel Low solar irradiance due to poor sunlight.
  • Page 20 SECTION 4 | Operation TABLE 4.1 LED INDICATIONS FOR OPERATIONAL STATUS (Continued) Location of LED Color LED Lighting (Fig 2.1) Function of LED of LED Pattern Operational Status All 3 LED Indicators are blinking: - Internal hot spot is >85°C •...

  • Page 21: Protections & Troubleshooting

    SECTION 5 | Protections & Troubleshooting 5.1 PROTECTIONS 5.1.1 Over Current from the Solar Panel Output If the output current from the Solar Panel exceeds 10A rating of the controller, the charging cur- rent will be limited to the rated current of 10A. 5.1.2 Short Circuit Across Solar Panel Input Terminals If a short circuit occurs across Solar Panel Input Terminals (5A and 5B in Fig 2.1), the Controller will not be damaged.
  • Page 22 SECTION 5 | Protections & Troubleshooting 4. After 15 sec., the load will be reconnected. If the short circuit condition continues, the load will be disconnected immediately and the Red Load Status LED (3, Fig 2.1) will continue to fast blink @ 4Hz for 20 sec. 5.
  • Page 23 SECTION 5 | Protections & Troubleshooting 5.1.11 Over Temperature Protection – Battery Battery over temperature protection is activated at > 65° and is reset automatically when the temperature drops to < 55°C. When Battery Over Temperature Protection is activated, the Bat- tery Status LED (2, Fig 2.1) will slowly blink Red (1 Hz) and charging will stop.
  • Page 24 SECTION 5 | Protections & Troubleshooting 5.2 TROUBLESHOOTING Troubleshooting Guide is shown at Table 5.1. Please refer to LED indications at Section 4.5, Table 4.1 for supplementary information. TABLE 5.1 TROUBLESHOOTING GUIDE Symptom Possible Cause Remarks / Remedy Solar Panel Status LED •...
  • Page 25 SECTION 5 | Protections & Troubleshooting TABLE 5.1 TROUBLESHOOTING GUIDE Symptom Possible Cause Remarks / Remedy Load Status LED (3, Fig Load has been disconnected due Remove the cause of short circuit. 2.1) is fast blinking Red to short circuit. - Reset by manually pressing Load On/Off @ 4Hz.

  • Page 26: Specifications

    SECTION 6 | Specifications 6.1 GENERAL PARAMETER SPECIFICATIONS CHARGE CONTROLLER Type of Charging Control Series Type, PWM control, PWM Frequency: 25Hz Battery Type Factory preset for Sealed Lead Acid (AGM) 12V / 24V Nominal; Auto Sensing Battery System Voltage (<18V sensed as 12V / >18V sensed as 24V) Working Voltage Range of Charge Controller 8V to 32V Rated Battery Charging Current...
  • Page 27 SECTION 6 | Specifications PARAMETER SPECIFICATIONS INPUT – SOLAR PANEL(S) / ARRAY Maximum Open Circuit Voltage Maximum Short Circuit Current INPUT / OUTPUT CONNECTIONS Type of connectors Moving Cage Type for 4mm / Up to AWG #12 wire size PROTECTIONS Solar Panel over current;...

  • Page 28: Warranty

    Warranty 2 YEAR LIMITED WARRANTY MSK-10A Solar Charge Controller manufactured by Samlex America, Inc. (the “Warrantor“) are 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 29 Notes SAMLEX AMERICA INC. | 29...
  • Page 30 Notes 30 | SAMLEX AMERICA INC.
  • 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 Richmond, BC Email purchase orders to orders@samlexamerica.com 11021-MSK-10A-1022...