User manual for PU1024 Photonic Universe 10A 12V/24V automatic
Contents
1. Sealed Gel Flooded flashing indicators are simultaneously The temperature of controller is too high When the temperature of the heat sink of the controller exceeds 85 C the controller will automatically cut input and output circuits When the temperature falls below 75 the controller will resume working rr A NOTE If no LED indicators are lit measure the battery voltage with a multimeter Min 6V is needed to start up the controller NOTE ff the charging status LED indicator is not lit with normal connection measure the input voltage of solar module the input voltage must be higher than battery voltage CAUTION Do not try to measure the output of the battery terminals of the controller by a multimeter with no battery connected The controller will not work properly if it cannot detect the battery 5 3 Maintenance The following inspections and maintenance tasks are recommended at least twice every year for best controller performance Check that the controller is securely mounted in a clean and dry environment Check that the air flow and ventilation around the controller is not blocked Clear all dirt or fragments from the heat sink Check all the wires to make sure insulation is not damaged due to constant exposure to sunlight frictional wear dryness insects or rats etc Maintain or replace the wires if necessary Tighten all the terminals Inspec2. Troubleshooting and Maintenance 15 bili Protection za cae caca e eine iaia 15 5 2 Troubleshooting i 16 5 3 Maintenance 24e tint adaa 18 6 Warranty ns ha ion aiar 19 7 Technical Specifications nenea 20 1 Important Safety Information Read this carefully This manual contains important information about the safe installation and operations of the charge controller The following signs are used throughout this manual to indicate potentially dangerous conditions or mark important safety recommendations Please pay special attention when you see these signs WARNING Indicates potentially AN dangerous conditions Extreme caution required when performing this task CAUTION Indicates a critical procedure A for correct installation and safe operations of the solar charge controller NOTE Indicates a procedure or function FF that is important for the safe and proper operation of the controller General Safety Information Read the full instruction manual before you begin the installation There are no parts serviceable by users Do not disassemble or attempt to repair the controller Install external fuses breakers as required Disconnect the solar module and fuse breakers before installing or adjusting the controller Confirm that power connections are tightened secure and properly insulated if applicable 1 2 General Information 2 1 Product O
3. load connection to a load distribution panel each load circuit should be fused separately The total combined current draw of loads should not exceed the rated load current of controller Itis not necessary to connect any load to the load terminals of the controller if your system is intended for battery charging only Step 3 Solar wiring WARNING Risk of electric shock Exercise caution when handling solar wiring The solar module s A high voltage output can cause severe shock or injury Cover the solar module s before wiring them to the charge controller The controller can accept 12V 24V nominal off grid solar module s Grid tie solar module s may be used if their open circuit voltage does not exceed the maximum PV input voltage of the controller NOTE The controller cannot work with non PV ES sources of power such as wind turbines or other chargers The solar module s working voltage must be equal to or greater than the system voltage For example it is not possible to use an 18V solar panel to charge a 24V battery the controller will require the 8 solar panel voltage to be 24V or higher Cover the solar module s before you link the battery circuit with a fuse Solar Module 2x 2x 7 OC 2 Figure 3 4 Solar wiring Step 4 Check wiring Double check the wiring in steps 1 to 3 Make sure polarity is correct at each connection Check that all six terminals and other connections are secure and tigh
4. weight 0 15kg PU1524 amp PU2024 Mechanical Parameters Table 7 6 Mechanical Parameter Parameter 144 5 67 x 75 8 2 98 x 45 1 77 Overall dimension mm inches Mounting dimension 135 5 31 x55 2 16 mm inches Mounting hole size 04 5 Terminal 10mm Net weight 0 25kg We reserve the right to change this manual at our discretion Please look for updated versions on our website www PhotonicUniverse com 22 mm inches OO 8 a O OOlOOIOO 130 5 12 140 5 51 Figure1 1 PU1024 Dimensions 45 1 77 75 8 2 98 O OJO OJO O 9 1356 31 1445 67 Figure1 2 PU1524 amp PU2024 Dimensions Photonic Universe Ltd E mail info photonicuniverse com Web www photonicuniverse com Tel 44 0 20 3150 11 11
5. Pho www photonicuniverse com 44 0 203 150 11 11 10A 15A 20A Solar Charge Controller PU1024 PU1524 PU2024 series INSTRUCTION MANUAL Dear Customer Thank you very much for choosing our product This manual contains important information about the installation and operations of your charge controller Please read this manual carefully before installation and pay special attention to the safety recommendations 10A 15A 20A Solar Charge Controller PU1024 PU1524 PU2024 series Specification Summary Nominal system voltage 12 24VDC Maximum PV input voltage 50V Nominal charge discharge current PU1024 10A PU1524 15A PU2024 20A The controller will determine the system voltage at start up If the battery voltage is lower than 18V it will work in 12V mode If the battery voltage is higher than 18V it will work in 24V mode Contents 1 Important Safety Information 1 2 General Information eee 2 2 1 Product Overview inn 2 2 2 Product Features nn 3 3 Installation Instructions 4 3 1 General Installation Notes 4 Bie MOUNTING re ele aa ea a inerte 5 SESW PING ss cala a e a cata aaa a 6 4 Operation dure i 10 4 1 PWM Technology 10 4 2 Battery Charging Information 10 4 3 LED Indicatofs ren 12 4 4 Setting Operation ee 14 5 Protection
6. ater available to wash with immediately and clean any contact with battery acid Use insulated tools and avoid placing metal objects near the batteries Batteries might produce some explosive gasses during charging Make sure there is sufficient ventilation in the work area Do not install the controller in direct sunlight close to a heating element or where contact with water is possible Loose power connections and or corroded wires may result in resistive connections that melt wire insulation burn surrounding materials or even cause fire Ensure tight connections and use cable clamps to secure cables and prevent them from unnecessary movement Use this controller with Gel Sealed or Flooded lead acid batteries only Battery connection may be wired to one battery or a bank of batteries This manual refers to a single battery but the battery connection can be a group of batteries in a battery bank Select an appropriate type of cable according to the power rating of your system length of cable required 3 2 Mounting NOTE When mounting the controller ensure air ES can circulate through the controller heat sink There should be at least 6 inches 150 mm of clearance above and below the controller to allow for cooling If you work in closed premises ventilation is highly recommended WARNING Risk of explosion Never install the AN controller in a closed place with flooded batteries Do not install the c
7. ble to maintain the battery at the Float set point Should the battery voltage remain below the Boost set point the controller will exit Float stage and return to Bulk charge Equalise charge WARNING Risk of explosion A Equalising a flooded battery can produce explosive gases Good ventilation around the battery is essential CAUTION Equipment damage A Equalisation may increase battery voltage to the level 11 A damaging to sensitive DC loads Ensure that all load allowable input voltages are greater than the equalizing charging set point voltage CAUTION Equipment damage Over charging and excessive gas precipitation may damage the battery plates and activate material shedding on them Equalising charge may cause damage if it is too high or lasts too long Please carefully review the specific requirements of the battery used in the system Certain types of batteries benefit from periodic equalizing charge which can stir the electrolyte balance battery voltage and complete chemical reaction Equalising charge increases the battery voltage to the level higher than the standard voltage which gasifies the battery electrolyte If the battery is being over discharged the solar controller will automatically turn to equalising charging stage which lasts for 120 minutes Equalising charge and boost charge are not carried out constantly in a full charge process to avoid too much gas precipitation or overheating
8. circuit Overheating protection indicator When the temperature of the controller heat sink exceeds 85 C the controller will automatically cut input and output off Sealed Gel and Flooded indicators will flash red simultaneously Please refer to section 5 for trouble shooting Overheating protection indicator Table 4 4 Colour Indicator System status Sealed Gel Flooded Controller Red flashing simultaneously overheating 4 4 Setting Operation Sealed Setting indicator Load Status LED indicator Gel Setting indicator Flooded Setting indicator Setting button Figure 4 3 Setting operation indicators Load On Off switch When the controller is on press the settings button to control the output to load terminals Press the button once to switch the load terminals On Off The load LED will turn red when the load is on Battery type setting Press and hold the settings button for more than 5 seconds and the original battery type indicator will start flashing Press the setting button again to cycle through Sealed Gel or Flooded battery type To 14 select the correct battery type illuminate the corresponding LED and wait the indicator will stop flashing after a few seconds and record the settings Battery type selection Table 4 5 Battery type LED indicator Sealed battery Sealed Gel battery Gel Flooded battery Flooded 5 Protection Troublesh
9. ery charging Gel Sealed Flooded setting Over Voltage A Disconnect 16V x2 24V 16V x2 24V 16V x2 24V Voltage En 15 5V x2 24 15 5V x2 24 15 5V x2 24 imit Vv Vv Vv Voltage Equalize x Charging 14 6V x2 24 14 8V x2 24 Vv Vv Voltage Boost 14 2V x2 24 14 4V x2 24 14 6V x2 24 Charging Vv Vv Vv Voltage Float E 7 n 13 8V x2 24 13 8V x2 24 13 8V x2 24 Charging Vv Vv Vv Voltage Boost Reconnect 13 2V x2 24 13 2V x2 24 13 2V x2 24 Charging v v Vv Voltage Low Voltage x 7 Reconnect 12 6V x2 24 12 6V x2 24 12 6V x2 24 Vv Vv Vv Voltage Under Na 12 2V x2 24 12 2V x2 24 12 2V x2 24 arning Vv Vv Vv Reconnect Voltage Under Voltage 12V x2 24V 12V x2 24V 12V x2 24V Warning Voltage Low Voltage 44 1v x2 24 11 1 V x2 24 11 1 V x2 24 Disconnect Vv Vv Vv Voltage eee 10 8V x2 24 10 8V x2 24 10 8V x2 24 imit Vv Vv Vv Voltage Equalize Duration 2 hours 2 hours Boost Duration 2 hours 2 hours 2 hours 21 Environmental parameters Table 7 4 Environmental parameters Parameter Working temperature 85 C to 55 C Storage temperature 35 C to 80 C Humidity 10 90 NC Enclosure IP30 PU1024 Mechanical parameters Table 7 5 Mechanical Parameter Parameter 140 5 51 x 65 2 56 x 34 1 34 Overall dimension mm inches Mounting dimension 130 5 12 x 45 1 77 mm inches Mounting hole size 4 5 Terminal 6mm Net
10. f purchase with your item To obtain rapid service under this warranty your information should include a detailed description of the failure solar module and battery types connection scheme as well as load information type current usage This information is critical to help process your warranty claim This warranty does not apply under the following conditions ts Damage by accident negligence abuse or improper use PV or load current exceeding the ratings of product Unauthorised product modification or attempted repair Damage occurred as a result of contact with water Damage occurred during transit Mechanical damage ID di aN Damage as a result of natural disasters lightning extreme weather conditions 7 Technical specifications Electrical Parameters Table 7 1 Description Parameter A 12 24VDC Nominal System Voltage Auto work Battery Voltage Range 6 32V PU1024 10A Rated Battery Current PU1524 15A PU2024 20A Charge Circuit Voltage Drop lt 0 26V Discharge Circuit Voltage Drop lt 0 15V Self consumption lt 6mA Temperature Compensation Coefficient Table7 2 Description Parameter Temperature Compensation Coefficient TEMPCO 30mV C 12V 25 C ref Compensation of equalize boost float and boost reconnect voltage 20 Battery Voltage Parameters temperature at 25 C Table 7 3 Charging Parameters Batt
11. ng the ratings of the controller CAUTION For mobile applications make sure you secure all wiring Use cable clamps to prevent gt amp 44 cables from unnecessary movement Unsecured cables create loose and resistive connections which may lead to excessive heating and or fire Step 1 Battery wiring WARNING Risk of explosion or fire Never short gt circuit battery positive and negative or cables 150mm 6 inches I MAX p Figure 3 2 Battery connection Before connecting the battery make sure that the battery voltage is greater than 6V so as to start up the controller If system is 24V make sure battery voltage is not less than 18V System voltage can only be automatically recognized when controller starts up for the first time When installing a fuse make sure that the maximum distance between the fuse holder and the positive terminal of battery is 150mm Do not insert a fuse at this time Step 2 Load wiring The controller load terminals can be connected to electrical equipment such as lights pumps motors and others The equipment must have the same working voltage as the battery Connect the positive and negative of loads to the controller load terminals as shown in Figure 3 3 An in line fuse holder should be wired in series in the load positive or negative wire as shown in Figure 3 3 Do not insert a fuse at this time Figure 3 3 Load Wiring When wiring the
12. of battery 4 3 LED Indicators Charging Status LED indicator Battery Status LED indicator Figure 4 2 LED indicators 12 Charging status indicator GREEN ON sunlight is available for battery charging GREEN FAST FLASHING system over voltage PI lease refer to section 5 for troubleshooting Charging Status LED indicator Table 4 1 Colour Indicator Charging Status Green On Continuous Charging Green Fast Flashing Battery over voltage Battery status indicator GREEN ON battery voltage within normal range GREEN SLOWLY FLASHING battery is full ORANGE ON battery under voltage RED ON battery over discharged PI lease refer to section 5 for troubleshooting Battery status LED indicator Table 4 2 Colour Indicator Battery Status Green On Continuous Normal Green Slowly Flashing Full Orange On Continuous Under voltage Red On Continuous Over discharged Load status indicator When the load current is 1 25 times of rated current for 60 seconds or the load current is 1 5 times of rated current for 5 seconds overload or load current is more than 3 5 times of rated current Short Circuit the load status indicator will flash red Please refer to section 5 for troubleshooting Load status indicator Table 4 3 Colour Indicator Load status Red On Continuous Load power is on 13 Red Flashing Overload or short
13. ontroller in any closed area where battery gas can accumulate Step 1 Choose mounting location Locate the controller on a vertical surface protected from direct sunlight high temperature and water high humidity Ensure there is adequate ventilation Step 2 Check for clearance Place the controller in the location where it will be mounted Verify that there is sufficient room to run wires and clearance above and below the controller for air flow LLLLLL LL LLLLLL 150mm 6 inches Warm air 150mm 6 inches Cool air TITTITITITITITIT Figure 3 1 Mounting and cooling Step 3 Mark holes Use a pencil or pen to mark four 4 mounting hole locations on the 5 mounting surface Step 4 Drill holes Remove the controller and drill holes in the marked locations Step 5 Secure controller Place the controller on the surface and align the mounting holes with the drilled holes in step 4 Secure the controller in place using suitable Screws 3 3 Wiring NOTE A recommended connection order has been provided for maximum safety during installation NOTE The controller is a common positive ground controller If your system e g vehicle or boat is a negative common ground system you can still use the controller but you SHOULD NOT use earthing of any or cables even if it s shown on the diagrams below CAUTION Do not connect any loads with surge power exceedi
14. ooting and Maintenance 5 1 Protection PV array short circuit If a PV array short circuit occurs clear it to resume normal operation Load overload If the load current exceeds the maximum load current rating the controller will disconnect the load Disconnect the system in the order reverse to the order of connection reduce the load and reconnect the system Load short circuit Fully protected against load wiring short circuit After one automatic load reconnect attempt the fault must be cleared by rewiring or pressing the setting button PV reverse polarity Full protection against PV reverse polarity no damage to the controller as a result Correct and rewire to resume normal operation Battery reverse polarity Full protection against battery reverse polarity no damage to the controller as a result Correct and rewire to resume normal operation Damaged local temperature sensor If the temperature sensor is damaged or short circuited the controller will assume the default temperature 25 C to prevent battery damage Overheating protection If the temperature of the controller heat sink exceeds 85 C the controller will automatically start the overheating protection High voltage transients PV input is protected against high voltage transients lightning prone areas additional external suppression recommended 5 2 Troubleshooting Troubleshooting Table 5 1 Faults Possible reasons Tr
15. oubleshooting No LEDs on the controller are lit The controller can t detect the battery Check that the battery voltage is more than 6V check polarity of battery connection make sure nothing else is connected to battery Charging PV LED indicator off even in sunny conditions PV array disconnection or polarity problem Check that PV and battery wire connections are correct and tight Check polarity of PV cables Green charging LED indicator is fast flashing Battery voltage higher than over voltage disconnect voltage OVD Check if the battery voltage is too high Disconnect the solar module Battery LED indicator is orange Battery under voltage Turn off the load The LED indicator will return to green automatically as the battery is charged Battery LED indicator is red loads are not working Battery over discharged The controller automatically cuts off the output LED indicator will return to green automatically when the battery is charged Load status flashing indicator is red and Overload or short circuit Overload reduce the load and press the button once the controller will resume working after 3 seconds Short circuit when the first short circuit occurs the controller will automatically resume working after 10 seconds if a second short circuit occurs press the button once the controller will resume working after 3 seconds
16. performance of your solar PV system NOTE The controller is suitable for solar panels only Do not use it with any other source of energy such as wind turbines or a mains charger 2 2 Product Features 9 10 11 Figure 2 1 Controller features 1 Temperature sensor Measures ambient temperature and makes temperature compensation for charging and discharging 2 Charging status LED indicator An LED indicator that shows charging status and also indicates when battery voltage is higher than battery over voltage disconnect voltage 3 Battery status LED indicator An LED indicator that shows battery status and remaining charge 4 Flooded battery indicator The indicator will be on when you select Flooded battery 5 Gel battery indicator The indicator will be on when you select Gel battery 6 Sealed battery indicator The indicator will be on when you select Sealed battery 7 Load status indicator Displays the load status 8 Setting button Controls the load On Off and selects the battery type 3 9 Solar module terminals Terminals for connecting solar modules 10 Battery terminals Terminals for connecting batteries 11 Load terminals Terminals for connecting loads 3 Installation Instructions 3 1 General Installation Notes Read the entire installation section first before beginning the installation Be very careful when working with batteries Wear eye protection Have fresh w
17. t Solar Module Figure 3 5 System wiring review 9 Step 5 Install fuses and remove cover from solar module s Install a suitable fuse fuse rating depends on the maximum solar and load current in each fuse holder in the following order 1 Battery circuit 2 Load circuit Then remove the cover from the solar module s Step 6 Check power LED When battery power is applied and the controller starts up the battery LED indicator will turn to green If the controller does not start up or the battery status LED error appears please refer to section 5 for troubleshooting Step 7 Disconnection If you need to disconnect the system follow the order reverse to the order of connection solar panel load battery 4 Operation 4 1 PWM Technology Series Pulse Width Modulation The controller adopts the advanced series pulse width modulation The operating principle of PWM charging mode is as follows Firstly the battery is charged with pulse current It then stops charging for a short period and then it resumes again It is repeated in this way several times until the battery is fully charged Breaks allow some oxygen and hydrogen generated by chemical reaction to be chemically combined again and then absorbed which can eliminate concentration polarization and ohm polarization naturally and reduce the internal pressure of the battery This makes subsequent charging smoother and more power is charged to the battery Intermitten
18. t for loose broken or burnt wire connections Check and confirm that LED indicators are consistent with your requirements Pay attention to any error messages and take the necessary corrective actions Confirm all the system components are ground connected correctly and securely remember no earthing in negative common ground systems Confirm that all the terminals have no signs of corrosion insulation damage high temperature or burnt discolored signs and tighten terminal screws to the suggested torque Inspect for dirt insects and corrosion Tidy and clean if necessary Check and confirm that lightning arrester is in good condition If required replace immediately to avoid damaging the controller and other equipments CAUTION Danger electric shock Make sure that the power is OFF when carrying out the above tasks 6 Warranty The Photonic Universe solar charge controller is guaranteed to be free from defects for a period of one year from the date of shipment to the original end user We will either repair or replace any defective products at our discretion Claim procedure Before requesting warranty services check this operation manual to be certain that there is a problem with the controller Notify us about the defects by email phone If the problem cannot be solved remotely by our technical team return the defective product to us with shipping charges prepaid Provide proof of date and place o
19. t pulse current charging mode leaves the battery time to react which reduces the gas volume and improves the acceptance rate of charging current 4 2 Battery Charging Information Figure 4 1 PWM Charging mode 10 Bulk charge In this stage the battery voltage has not yet reached boost voltage and 100 of available solar power is used to charge the battery Boost charge When the battery has recharged to the Boost voltage set point constant current regulation is used to prevent heating and excessive battery gassing The Boost stage lasts for 120 minutes and then passes to Float Charge Float charge After the battery is fully charged at the Boost voltage stage the controller reduces the battery voltage to Float voltage set point When the battery is fully charged there will be no more chemical reactions and all the charge current becomes heat and gas Then the controller reduces the voltage to the Float stage charging with a smaller voltage and current This reduces the temperature of the battery and prevents gassing whilst also charging the battery slightly at the same time The purpose of Float stage is to offset the power consumption caused by self consumption and small loads in the whole system while maintaining full battery storage capacity In Float stage loads can continue drawing power from the battery In the event that the system load s current exceeds the solar charge current the controller will no longer be a
20. verview Thank you for choosing this Photonic Universe solar charge controller which uses advanced digital technologies and operates in a fully automated mode One of the features of this controller is Pulse Width Modulation PWM battery charging technique which can increase the lifetime of your battery and improve performance of the solar system Other features of this controller include 12V 24V automatic recognition Use of MOSFET as an electronic switch without any mechanical switch Gel Sealed and Flooded battery type selection Temperature compensation when the controller corrects the charging and discharging parameters automatically depending on the ambient temperature for more delicate charging Electronic protection overheating over charging over discharging overload and short circuit Reverse protection any combination of solar module and battery The controller is designed for off grid solar systems and protects the battery from being over charged by the solar module and over discharged by the load The charging process is optimised for long battery life and improved system performance The comprehensive self diagnostics and electronic protection functions can prevent damage from installation mistakes or system faults Though the controller is easy to operate and use please take your time to read this manual and become familiar with it This will help you make full use of all the functions and the improve
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