Solar Controller / Battery Charger User Manual
Contents
1. CURTECH Solar Controller Battery Charger User Manual Input DC12V Solar panel Max 25V Output DC12V 10A DC12V 15A 12V 20A Model Number CT12 10A CT12 15A CT12 20A FEATURES Advanced MCU control Pulse Width Modulated PWM technology high efficiency operation Target for Gel AGM Conventional lead acid WET and Calcium Batteries Built in regulator to prevent your battery from being overcharged Overcharging occurs when the charge voltage is unregulated This can result in premature battery failure Comes with regulator to prevent your battery from being under charged in the solar energy field battery undercharge always occurs especially on some Conventional lead acid or Calcium batteries The unit provides an automatic Equalization feature for deeply drained Conventional lead acid battery or Calcium battery as well as provides a cycling automatic Equalizing feature every 28 days Can be connected to the battery permanently to keep the battery fully charged by using a process called floating This means the controller will stop charging when the battery is full and will automatically start charging the battery as required This process will also reduce water loss and help prevent the battery from drying out Protects your battery from discharge at night Under low light or no light conditions the solar panel voltage could be less than the battery voltage The unit contains a special circuit whic2. Battery is fully charged and maintained at a safe level A fully charged battery has a voltage of more than 13 6Volts OPERATION LED INDICATION The 6 LEDs indicate the charging status and the Zs battery condition Blue Solar power present No battery connected OFF r Absorption charging Equalization charging Subject to battery voltage Subject to battery voltage Float charging oe om on CELA Green O ul FF FF 7 n O TI TI O O at OFF OFF OFF Solar panel weak OFF At night no charge OFF Battery voltage below 11 5V 0 2V Battery voltage between 11 5V 12 5V 0 2V Battery voltage above 12 5V 0 2V OFF OFF FF a O O nim m1 oT ABNORMAL OPERATION MODE Solar panel abnormal LCD ola display LED indication LCD backlight I Solar panel reverse d FLASH connection FLASH Solar panel over voltage gt 26 5V 20e M dali Battery abnormal LCD LED indication LCD backlight LCD backlight mode display Battery disconnected FLASH or less than 3 0V Arr hrs rd Battery reverse FLASH connection Bra Battery over voltage n FLASH gt 17 5V FLASH Battery temperature Ea Cmm FLASH over 65 C FLASH FLASH FLASH Solar controller LCD LED indication LCD backlight abnormal mode display Controller over FLASH temperature protection OPTIONAL EXTERNAL DEVICE Temp Lr L Sensor Battery Solar Optional external Battery temper
3. protection with TVS or varistor Electrical parts Input output terminal M4 terminals Temperature sensor port Press and Release type DA 250 350 2P Physical Parameters Controller material Power terminal maximum stranded wire size Mounting P grade Net weight Environmental characteristics Operating temperature 25 to 50 C Storage temperature 40 to 85 C Operating Humidity range 100 no condensation 3VDC 3 10VDC 0 2 Up to 10 15 20Amp 10 14VDC 0 2 14 1VDC 0 2 14 4VDC 0 2 14 7VDC 0 2 14 9VDC 0 2 0 5Amp 0 1 4 Hours 10VDC 0 2 28 Days 15 5VDC 0 2 2 Hours 13 6VDC 0 2 1 24 mV C 20 to 50 C O gt O1 O Plastic Standard ABS 12 AWG stranded 3 mm Vertical wall mounting Approx 250g
4. ature sensor As an option the unit provides a port to connect the external battery temperature sensor if the external battery temperature sensor is connected the unit will optimize the charging performance subjected to the battery temperature detected and also provide the battery over temperature protection in some case if battery over temperature occurs the controller will automatically stop charging SPECIFICATIONS Electrical Parameters Charging Characteristics Minimum battery start charging voltage Soft start charging voltage Soft start charging current 50 PWM dut Bulk charge voltage Absorption charging voltage at 25 C e Gel type battery e AGM type battery default setting e WET type batter e Calcium type battery Absorption transits to Equalizing or Float condition e Charging current drops to e or Absorption charging timer timed out Equalization charging active Only for WET or Calcium battery e Battery voltage discharged to less than e Automatic equalizing charging periodical Equalization charging voltage at 25 C Equalization charging timer timed out Float charging voltage at 25 C Voltage control accuracy Battery temperature compensation coefficient Temperature compensation range Protection Against reverse polarity or short circuit at panel side Against reverse polarity or short circuit at battery side No reverse current from battery to solar at night Over temperature protection during charging Transient over voltage
5. e that no damage is caused to the Solar Panel or Battery if the wires are accidentally short circuited It IS recommended a fuse be installed on each circuit from the solar controller Do not reverse connect the wires to the solar panel or battery MOUNTING THE DEVICE The Solar Controller is mounted as below The quickest and easiest way to mount the unit is to use the two plastic spacers and self tapping screws supplied and mount the unit to a flat surface 130mm 27mm Be A 102mm O O O oO oO O 0 A Di m m A NOE vai 10Amp CURTECH SOLAR CHARGE CONTROLLER y WIRING CONNECTIONS To protect the Battery and the Solar Panel in permanent installations we strongly recommend that you place an inline fuse on the positive wire on both the Solar and Battery Circuits 20A fuse for CT 10A 30A fuse for CT 15A 40A fuse for CT 20A As close to the Battery Panel as possible The Solar Controller has 4 terminals which are clearly marked Solar and Battery There is a 12V and earth GND terminal for each circuit Refer to the wiring diagram below Correct Wire Size Please refer to the wire size chart below to determine the minimum size wire needed for each connection This will also ensure you get the best performance out of your solar regulator Battery a Size AWG 14 or 12 1 Using the stranded wires screw tightly the wires to the Solar terminal on the back of contro
6. h prevents current flowing back from the battery and into the solar panel Coloured LEDs to easily indicate the operational status and battery conditions Digital LCD to directly display battery voltage charging current charging capacity Amp hour battery types full charge and faulty codes Provides external battery temperature sensor Optional Multi charging protections against reverse polarity short circuit over temperature over voltage etc Surface Mount or Flush Panel Mount options Conformal coating circuit boards and plated terminals apply to hostile environments Waterproof design CGI si e Ci CHARGING STATUS BATTERY CONDITION 12Volt 10Amp SOLAR CHARGE CONTROLLER Solar Battery WARNING IMPORTANT PLEASE READ This charger is designed for outdoor use waterproof type Do not disassemble the controller Take to a qualified person if the unit requires repairing Lead acid batteries can be dangerous Ensure no sparks or flames are present when working near batteries Eye protection should always be used Never short circuit the battery Given sufficient light solar panels always generate energy even when they are disconnected Accidental shorting of the terminals or wiring can result in sparks causing personal injury or a fire hazard We recommend that you cover up the panel s with some sort of soft cloth so you can block all incoming light during the installation This will ensur
7. ller and connect to the Solar Panel like shown 2 Using the stranded wires screw tightly the wires to the Battery terminal on the back of controller and connect to the Battery like shown When the connections are completed the Solar Controller will start working automatically OPERATION LCD DISPLAY Please check your battery manufacturer s specifications to select correct battery type The unit provides 4 battery types for selections Gel AGM WET conventional lead acid and Calcium ca Cay Ue H BATTERY bead TYPE Press BATTERY TYPE button and hold for 3 seconds to go into your battery type selection mode the battery type you select will be shown on the LCD meter the default setting is AGM Battery the controller will automatically memorize your battery type setting Caution Incorrect battery type setting may damage your battery When the controller powers on the unit will run self qualify mode and automatically show below items on LCD before going into charging process for example on CT 15A Self test starts digital meter segments test Software version test rit lt L LIJA Rated voltage and current test External battery temperature sensor test if connected After going into charging process the LCD displays the charging statues as below Press AMP VOLT button in sequence the LCD will display in turn with Battery Voltage Charging Current Charged capacity Amp hour and Battery Temperatu
8. re if external temperature sensor connected Display in the day time A TA E Pupu Hi Ni IN KEN 9 lt A V gt t IIIA o gt bi I_IAH o gt i 7 C 2 Display during the night Amy n D G agav co Display when battery fully charged Press AMP VOLT button in sequence the LCD will display in turn with Battery Voltage Charging Current if you do not press the button the LCD will alternatively display the FUL and VOLT or FUL and AMP every 2 seconds 4 a n 9 4 mig IT 9 a J a I I K av C 7 b LIA D Tai Co CHARGING STAGES The AMP VOLT button can be changed at any time during charging process The LCD also can be treated as an independent voltage meter or thermometer A voltage less than 11 5V indicates that the battery is discharged and needs recharging Level 4 Level 3 es x Level 5 d e Level 1 1 Soft Charge When batteries suffer an over discharge the controller will softly ramp the battery voltage up to 10V Bulk Charge Maximum current charging until batteries rise to Absorption level 3 Absorption Charge Constant voltage charging and battery is over 85 Equalization Charge Only for WET battery or Calcium battery type when the battery is deeply drained below 10V it will automatically run this stage to bring the internal cells as an equal states and fully complement the loss of capacity Gel and AGM battery do not run Equalization charge 5 Float Charge
Download Pdf Manuals
Related Search