GAMMA 3.0 Solar Charge Controller With USB
Contents
1. Setting Operation Indicator Press the SETUP button once and the display LED indicators will show the program modes When Timer setting indicator is on press the setting button for 5 seconds till the LED digital display flashes Then press the setting button till the desired number appears according to the following table The setting is finished when the digital display stops flashing Load Programming Mode Dusk to Dawn load will be on all night or Test Mode Load will be on for 1 hour with 10 minutes delay after dusk SS Load will be on for 2 hours with 10 minutes delay after dusk Load will be on for 3 hours with 10 minutes delay after dusk Load will be on for 4 hours with 10 minutes delay after dusk Load will be on for 5 hours with 10 minutes delay after dusk Load will be on for 6 hours with 10 minutes delay after dusk i Load will be on for 7 hours with 10 minutes delay after dusk Load will be on for 8 hours with 10 minutes delay after dusk FI Load will be on for 9 hours with 10 minutes delay after dusk Load will be on for 10 hours with 10 minutes delay after dusk 0 O with a dot Me www solarpower mart com Solar Power t Mart Harvest the Sun power Harvest the Sunpower Load will be on for 11 hours with 10 minutes delay after dusk 1 1 with a dot Load will be on for 12 hours with 10 minutes delay after dusk 2 2 with a dot Load will be on for 13 hours with 10 minutes delay af2. e Check that the air flow and ventilation around the controller is not blocked Clear all dirt or fragments on the heat sink e Check all the naked wires to make sure insulation is not damaged for serious solarization frictional wear dryness insects or rats etc Maintain or replace the wires if necessary e Tighten all the terminals Inspect for loose broken or burnt wire connections e Check and confirm that LED digital tube is consistent with required Pay attention to any troubleshooting or error indication Take necessary corrective action e Confirm that all the system components are ground connected tightly and correctly e Confirm that all terminals have no corrosion insulation damaged high temperature or bum discolored sign tighten terminal screws to the suggested torque e Inspect for dirt insects and corrosion and clear up e Check and confirm that lighting arrester is in good condition Replace a new one in time to avoid damaging of the controller and even other equipment Notes Dangerous with electric shock Make sure that all power source of controller is cut off when operate above processes and then make inspection or other operations We Do www solarpower mart com Solar Power amp Mart Harvest the Sun power Harvest the Sunpower TECHNICAL SPECIFICATION Electrical Parameters Nominal System Voltage 12 24VDC 50V 34V 10A m O o o Self consumption lt 8 4mA 12V lt 7 8MA 24V Temperature
3. compensation coefficient 3mV C 2V Default Battery Voltage Parameters parameters is in 12V system at 25 C please use X 2 in 24V system Control Parameters Battery charging setting el Flooded Lithium Over Voltage Disconnect 16 0V 16 0V 16 0V Consult US Voltage Charging Limit Voltage 15 0V 15 0V 15 0V Consult US Over Voltage Reconnect 15 0V 15 0V 15 0V Voltage Boost Charging Voltage 14 2V 14 4V 14 6V Consult US Float Charging Voltage 13 8V 13 8V 13 8V Consult US We Do www solarpower mart com Solar Power amp Mart Harvest the Sun power Harvest the Sunpower ee eee eee Boost Reconnect Charging 13 2V 13 2V 13 2V Consult US Voltage Low Voltage Reconnect 12 6V 12 6V 12 6V Consult US Voltage Under Voltage Warning 12 2V 12 2V 12 2V Consult US Reconnect Voltage Under Voltage Warning 12 0V 12 0V 12 0V Consult US Voltage Low Voltage Disconnect 11 1V 11 1V 11 1V Consult US Voltage Discharging Limit Voltage 10 6V 10 6V 10 6V Consult US Environmental Parameters Environmental parameters Parameter Working temperature 35 C to 50 C Storage temperature 35 Cto 80 C Humidity lt 95 NC We Do www solarpower mart com Solar Power amp Mart Harvest the Sun power Harvest the Sunpower Mechanical Parameters Mechanical Parameter Parameter Overall dimension 124 7 x 69 4 x 34 mm Mounting dimension 112 4 x 54 0 mm Terminal 6mm2 Net weight 0 16kg We ms ar www solarpower mar
4. holder in the following order 1 Battery circuit 2 Load circuit 3 Connect the solar panel connector MC4 When the controller starts up the battery LED indicator will be green If the controller doesn t start up or the status LED error is active please refer to Troubleshooting Section Se Solar Power t Mart Harvest the Sun power Harvest the Sunpower ADVANCE CHARGING TECHNOLOGY PWM Technology Series Pulse Width Modulation The controller adopts Advanced Series Pulse Width Modulation PWM technology PWM is the most effective means to achieve constant voltage battery charging by switching the solar system controllers power devices When in PWM regulation the current from the solar array tapers according to the battery s condition and recharging needs The operating principle of PWM charging mode is as follows PWM solar charge controller use technology similar to other modern high quality battery chargers When a battery voltage reaches the regulation set point the PWM algorithm slowly reduces the charging current to avoid heating and gassing of the battery yet the charging continues to return the maximum amount of energy to the battery in the shortest time The result is a higher charging efficiency rapid recharging and a healthy battery at full capacity In addition this new method of solar battery charging promises some very interesting and unique benefits from the PWM pulsing These include 1 Ability
5. Solar Power t Mart Harvest the Sunpower Solar Panel PV On grid Off grid Day amp Night Lighting Timer 12V 24V DC Load Thank you for choosing our product This manual offers important information and suggestions about the installation use and troubleshooting etc Please read this manual carefully before using the product and pay attention to the safety recommendations within v gt Solar Power Mart Harvest the Sunpower Harvest the Sun power USER MANUAL GAMMA 3 0 3A 10A USB POWER SOLAR CHARGE CONTROLLER RATINGS Automatic 12V and 24V TECHNICAL INFORMATION Auto 12 24 Volt DC Nominal System Voltage 12 24VDC Maximum PV Input Voltage 50V Nominal Charge Discharge Current 3A 5A and 10A The controller will recognize the system rated voltage when started up If the battery voltage is lower than 18V it will recognize the system as 12V If the battery voltage is greater than 18V it will recognize the system as 24V We Do www solarpower mart com Solar Power Wit Mart Harvest the Sun power Notes Cautions and Warnings This manual contains important safety installation and operating instructions The following symbols are used throughout this manual to indicate potentially dangerous conditions or mark important safety instructions please take note of them WARNING Indicates a potentially dangerous condition Use extreme caution when performing this task CAUTION Indicates a cr
6. ad button Damaged Temperature Sensor lf the temperature sensor short circuited or damaged the controller will be charging or discharging at the default temperature 25 C to prevent the battery damaged from overcharging or over discharged Overheating Protection lf the temperature of the controller heat sink exceeds 85 C the controller will automatically start the overheating protection and stop the charging and discharging When the temperature is below 75 C the controller will resume to work High Voltage Transients PV is protected against smaller high voltage surge In lightning prone areas additional external suppression is recommended We ms ar www solarpower mart com Sir et MLMAN Harvest the Sun power PV Charging LED indicator off during daytime when sunshine falls on PV modules properly Battery LED indicators slow flashing Battery LED indicators fast flashing Load status indicator red and fast flashing Load status indicator red and fast flashing All the led indicator flashing battery red indicator flashing SOC value incorrect www solarpower mart com PV array disconnection Battery under voltage Battery over discharged Over load Short circuit System voltage error Choose the wrong battery type Using the reconfigured profile of the user defined battery type Se Solar Power Mart Harvest the Sunpower Check that PV and battery wire connections are correct an
7. d tight Load output is normal Charging LED indicator will return to normal automatically when fully charged The controller cut off the output automatically LED indicator will return to normal automatically when fully charged Remove or cut out the additional load and press the button the controller will resume to work after 3s Clear short circuit and press the button the controller will resume to work after 3s Check whether the battery voltage match with the controller working voltage Please change to a suitable battery or reset the working voltage If there is no abnormal please press load button to clear the malfunction Correct the right battery type Using the configuration of the charging voltage compensation if choosing the user defined battery type and ignore the SOC Harvest the Sun power ae a Notes No LED indicator Measure battery voltage with multimeter Min 6V can start up the controller gt Notes No charging status LED indicator with normal connection Measure the input voltage of solar module the input voltage must be higher than battery voltage Wo Me www solarpower mart com Solar Power t Mart Harvest the Sun power Harvest the Sunpower MAINTENANCE The following inspections and maintenance tasks are recommended at least two times per year for best controller performance e Check that the controller is securely mounted in a clean and dry environment
8. ill be mounted Verify that there is sufficient room to run the wires and that there is sufficient room above and below the controller for air flow Step 3 Mark Holes Use a pencil or pen to mark the four 4 mount points on the surface Step 4 Drill Holes Remove the controller and drill 3 6mm 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 the mounting screws Solar Power iitMart www solarpower mart com o dhix i Harvest the Sun power NOTE A recommended connection order step by step has been created to provide maximum safety during installation a i lS e Tig T eT i E Ee aa OTE The controller is a common positive ground controller PF 2 as CAUTION Do not connect the loads with surge power exceeding the rating of the controller as CAUTION For mobile applications be sure to secure all wiring Use cable clamps to prevent cables from swaying when the vehicle object is in motion Unsecured cables create loose and resistive connections which may lead to excessive heating and or fire We Ae www solarpower mart com Solar Power SMart Harvest the Sun power Step1 Battery Wiring WARNING Risk of explosion or fire Never connect the positive and negative battery cables 150mm 5 9inches MAX PT2 Before battery is c
9. itical procedure for safe and proper operation of the controller Note Indicates a procedure or function that is important for the safe and proper operation of the controller General Safety Guideline Read all of the instructions and cautionary symbols in the manual before beginning installation There are no serviceable parts inside the controller Do not disassemble or attempt to repair it Install external fuses Mini Circuit Breaker MCB as required Disconnect the solar panel module PV and fuse MCB near the battery before installing or adjusting the controller Do not allow water to enter the controller Confirm that power connections are tightened to avoid excessive heating from a loose connection Se Solar Power lt Mart www solarpower mart com a ta 6 Harvest the Sun power rve unpower General Information Thank you for selecting GAMMA 3 0 series solar controller that adopts the most advanced digital techniques programming and is fully automatic The Pulse Width Modulation PWM battery charging can greatly increase the lifetime of the battery It has various unique functions such as e 12 24V automatic recognition e Highly efficient Series PWM charging increases the battery life and improves the solar PV system s performance e Uses MOSFET as electronic switch e Widely used automatically recognize day night technology for 12 24V and 5V e New SOC method of calculating accurately displays the available battery Ca
10. me Then the controller reduces the voltage to the floating stage charging with a smaller voltage and current It will reduce the temperature of battery and prevent gas release and also charges the battery with a low current 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 We te www solarpower mart com Solar Power 7 Mart Harvest the Sun power Harvest the Sunpower capacity In float stage loads can continue to draw power from the battery In the event that the system load s exceed the solar charge current the controller will no longer be able to maintain the battery at the float set point Should the battery voltage remains below the boost set point the controller will exit float stage and return to bulk charge No Equalize Charge For This Model Wo s www solarpower mart com Solar Power 2 Mart Harvest the Sun power Harvest the Sunpower PWM Battery GAMMA 3 0 Solar Charge Controller LED INDICATION PV Charging Status On Solid Normal LED Indicator Slowly Flashing In charging Fast Flashing Overload or System Error No charge Battery Status LED ose Solid Normal Indicator Fast Flashing Battery over discharged Not connected sa Solid ison DC Load Status Indicator Mad Flashing ie or Short Circuit ial Flashing Battery weak amp low voltage Me www s
11. nect the USB 5VDC please plug in the USB socket at the right side of the controller te www solarpower mart com Solar Power t Mart Harvest the Sun power Step 3 Solar wiring WARNING Risk of electric shock Be caution when handling solar panel wiring The high voltage from solar panel s can induce electric shock and injury Keep the solar panel away from sunlight before installing the solar wiring The controller cans accept 12V or 24V nominal off grid solar panel s Grid tie solar panel s may be used if the open circuit voltage of solar panel doesn t exceed the Maximum PV input voltage 50V of the controller If using Grid tie On Grid solar panel the battery system must be 24V The solar panel s work voltage must be equal to or greater than the system voltage Solar Module gt For a good set up please kindly use solar connector like the MC4 solar connector Do not connect the solar connector MC4 immediately A MCB can be installed in between solar panel and the controller as a fuse or circuit breaker www solarpower mart com Solar Power 2tMart Harvest the Sun power Double check the system wiring from step 1 through 3 Confirm correct polarity at each connection Make sure all six terminals are tightened Solar Panel PV W On grid Off grid Day amp Night Lighting Timer m 4 5V DC USB Power 4e ses AVE WE Dl Load Install a suitable fuse in each fuse
12. ntroller G59 009 BaD 1 PV Solar Panel Charging Status LED indicator A LED indicator that shows charging status and also indicates warning signal when solar array connect wrongly 2 Battery Status LED Indicator A LED indicator that shows battery status and other crucial information 3 Load On amp Off Switch Setup amp Program Manually turn on or turn off the DC load 4 DC Load LED Indicator Display the load status 5 Solar Module Terminals Connect solar modules 6 Battery Terminals Connect batteries 7 Load Terminals Connect loads 8 Display Program display for timer and modes S w em rt www solaroower mart com olar Power a Harvest the Sun power Harvest the Sunpower 9 USB Power Socket Connect to USB devices 5VDC 1 2A www solarpower mart com Solar Power tmart Harvest the Sun power Installation General Installation Notes e Read through the entire installation section first before beginning installation e Be careful when working with batteries Wear eye protection if necessary Have fresh water available to wash and clean any contact with battery acid Uses insulated tools and avoid placing metal objects near the batteries Explosive battery gasses may be present during charging Be certain there is sufficient ventilation to disperse the gasses e Avoid direct sunlight and do not install in locations where water can enter the controller e Loose power connections and o
13. olarpower mart com Solar Power tMart Harvest the Sun power OVERLOADING AND SHORT CIRCUIT PROTECTION Load status Times of Rated Time of duration Current S Overload 1 02 1 05 1 05 1 25 1 25 1 35 p10 Se CONTROLLER OVERHEATING PROTECTION AND SYSTEM VOLTAGE ERROR INDICATION PV DC Load and Battery indicator System voltage error flashing simultaneously PV DC Load and Battery Indicator Controller overheating flashing simultaneously WARNING When the controller heat sink exceeds 85 C controller will cut off and output circuit A WARNING When controller is set to a fixed rated voltage controller will stop working if battery voltage mismatch with the set voltage 50 30 10 2 Oo 3 We Do www solarpower mart com Solar Power Wt Mart Harvest the Sun power DC Load Mode Setting This mode is to turn ON and OFF the load by manual setting Please refer to Load Programming Mode For instance manual on amp off with Program setting to 5 5 witha dot For continue on the DC load 24 hours by 7 365 days please program to 6 6 with a dot DC load can be both 12 24V and 5V 12 24V via DC load terminal and 5V via USB power socket TIMER SETTING FUNCTION Timer Function The default night length setting is 10 hours The controller can learn the night period by referring the night before It also can adapt to the different seasons day light saving However it may require time to adju
14. onnected make sure that the battery voltage is greater than 6V to start up the controller If the system is 24V make sure battery voltage is not less than 18V During the first start up the controller will automatically recognize the system voltage When installing a fuse or Mini Circuit Breaker MCB make sure that the distance between the fuse holder and the positive terminal of battery does not exceed 150mm Do not insert a fuse MCB at this time Make sure the battery cable is less than 0 5 meter long to prevent power loss Always keeps the controller as close as possible so that it can sense the battery temperature for effective charging temperature compensation Me www solarpower mart com Solar Power t Mart Harvest the Sun power Harvest the Sunpower Step 2 Load Wiring The controller can be connected to electrical equipments such as lights pumps and motors The controller draws power from the battery se ee n a a a E USB 5VDC 1 2A i n s L F at Connect the positive and negative controller load terminals as shown in above Figure A fuse holder MCB should be wired in series with the load positive or negative wire as shown in above Figure Do not insert a fuse turn off the MCB at this time When wiring the load connection to a load distribution panel each load circuit should be fused separately The total load draw should not exceed the rated load current of the controller When con
15. pacity e Intelligent timer function with 1 14 hours for both 12 24V and 5V USB e Unique USB Power timer function enhance the flexibility of lighting system e Automatic select battery type No equalization charge and design for Gel sealed Flooded and Lithium in house battery e Adopts temperature compensation corrects the charging and discharging parameters automatically and improves battery life e Electronic protection from overheating over charging over discharging overload and short circuit e Reverse protection any combination of solar module and battery e Support On Grid grid tie solar panel maximum PV voltage input 50V The controller is for multipurpose off grid solar systems and enhances off grid solar system protects the battery from being over charged by the solar module and over discharged by the loads The charging process has been optimized 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 Although the controller is easy to operate and use please kindly study this user manual before you begin This will help you make full use of the functions and you can improve your solar system We Do www solarpower mart com Solar Power Wt Mart Harvest the Sun power Product Features PV PWM Program A YT 24V USB Battery im am 12V gt ay y GAMMA 3 0 DC Load Solar Charge Co
16. r corroded wires may result in resistive connections that melt wire insulation burn surrounding materials or even cause fires Ensure tight connections and use cable clamps to secure cables and prevent them from swaying from mobile applications e Use with Lithium our in house product Gel Sealed or Flood batteries only Battery may be wired to one battery or more batteries The following instructions refer to the use of a single battery but the battery connection can be made to either one battery or a group of batteries in a battery bank e Select the system cables accordingly or consult us for more details Mounting Requirements heat sink fins There should be at least 6 inches 150 mm of clearance above and below the controller to allow for cooling If mounted in an enclosed space providing ventilation is highly recommended A WARNING Risk of explosion Never install the controller in a sealed enclosed area with flood batteries Do not install in a confined area where battery gases can accumulate We Do www solarpower mart com Solar Power amp Mart Harvest the Sun power Harvest the Sunpower Step 1 Choose Mounting Location Place the controller on a vertical surface protected from direct sunlight high temperature and moisture Provide good ventilation GAMMA 3 0 Solar Charge Controller e0 0990939 1 50mm 5 nches Cool air Step 2 Check for clearance Place the controller at the location where it w
17. rt Harvest the Sunpower Harvest the Sun power
18. st and learn Load Controller Settings 1 Dusk to Dawn When solar module voltage goes below the point of Night Time Threshold Voltage NT TV at dusk sunset the controller will recognize the starting voltage and turn on the load after 10 minutes When solar module voltage goes above point of Day Time Threshold Voltage DTTV the solar controller will recognize the starting voltage and turn off the load after 10 minutes 2 Light ON Timer When solar module voltage goes below the point of NTTV Night Time Threshold Voltage at sunset the solar controller will recognize the starting voltage and turn on the load after 10 minutes delay The load will be on for several hours which users set through LED digital display The controller has dual timer function Please refer to table Load Programming Mode Settings 3 Test Mode This mode is similar to Dusk to Dawn setting but there is no 10 minutes delay when controller recognizes the starting voltage When below the starting voltage the controller will turn on the load if higher it will turn off load The test mode makes it easy to check the solar lighting system during installation 4 ON OFF Mode Manual Switcher This mode is to turn ON and OFF the load by manual setting We Do www solarpower mart com Solar Power amp Mart Harvest the Sun power Harvest the Sunpower Load Program Mode Setting Battery E SETUP _ gt GAMMA 3 0 Solar Charge Controller
19. t com Sir et MLMAN Harvest the Sun power WARRANTY The GAMMA 3 0 charge controller is warranted to be free from defects for a period of ONE 1 year from the date of shipment to the original end user We will at its option repair or replace any such defective products Claim procedure Before requesting warranty service check the User Manual to be certain that there is a problem with the controller Return the defective product to us with shipping charges prepaid if problem cannot be solved Provide proof of date and place of purchase To obtain rapid service under this warranty the returned products must include the model serial number and detailed reason for the failure the module type and size type of batteries and system loads This information is critical to a rapid disposition of your warranty claim This warranty does not apply under the following conditions 1 Damage by accident negligence abuse or improper use 2 PV or load current exceeding the ratings of product 3 Unauthorized product modification or attempted repair 4 Damaged occurring during shipment 5 Damage results from acts of nature disaster such as lightning floods etc 6 Irreclaimable mechanical damage We Do www solarpower mart com Solar Power amp Mart Harvest the Sun power Harvest the Sunpower Solar Panel PV 3 On grid Off grid Day amp Night Lighting Timer AAD ORTNEK 12V 24V DC Load End of Page Se Solar Power Ma
20. ter dusk 3 3 with a dot Load will be on for 14 hours with 10 minutes delay after dusk 4 4 with a dot On Off Mode with Manual Switcher SETUP Button 5 5 with a dot Continue On Mode 24 hours by 7 365 days 6 6 with a dot Be Do www solarpower mart com Solar Power t Mart Harvest the Sun power Harvest the Sunpower TROUBLESHOOTING Protection P V Array Short Circuit lf PV array short circuit occurs clear it to resume normal charge automatically Load Overload If the load current exceeds the rated current of controller 21 05 times rated discharge current the controller will disconnect the load Overloading must be cleared up then pressing the switch button Load Short Circuit Fully protected against load wiring short circuit 22 times rated discharge current After one automatic load reconnect attempt the fault must be cleared by restarting the controller or pressing the switch button PV Reverse Polarity Fully protection against PV reverse polarity no damage to the controller will result Correct the miswire to resume normal operation Battery Reverse Polarity Fully protection against battery reverse polarity no damage to the controller will result Correct the miswire to resume normal operation Battery working voltage error lf battery voltage does not match controller working voltage controller will stop working After correcting the voltage the failure can be eliminated through pushing lo
21. to recover lost battery capacity and desulfate a battery 2 Dramatically increase the charge acceptance of the battery 3 Maintain high average battery capacities 90 to 95 compared to on off regulated state of charge levels that are typically 55 to 60 4 Reduce battery heating and gassing Automatically adjust for battery aging Self regulate for voltage drops and temperature effects in solar systems S S ZAS Be Do www solarpower mart com Solar Power t Mart Harvest the Sun power Harvest the Sunpower Battery Charge Information Figure PWM charging mode Bulk Charge In this stage the battery voltage has not yet reached the boost voltage and 100 of available solar power is used to charge the battery Boost Charge PWM Regulation When the battery has been charged to boost voltage point constant voltage regulation is used to prevent over heating and excessive battery gas releases The boost stage remains for 120 minutes and then reduces into a float charge This is where the PWM technology applies Charging Voltage BULK PWM CHARGING Charging Current amps 2 6 3 10 NOON 2 4 6 AM AM AM PMI PM PM Float Charge After the battery is fully charged in 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 transmits into heat and gas at this ti
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