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Grape Solar Charge Controller ( GS-PWM-COMET-40 ) User Manual edoJo) Hope sma user COMET PWM CHARGE CONTROLLER LJ OJ Ge 00000 Dear users Thank you for choosing our product. Before using the product, please read this manual carefully. Version : V1.01 The above information is subject to change without prior notice. Product Features 1. Auto-recognition of 12V and 24V batteries. 2. Charging program options for sealed, GEL and flooded lead-acid batteries and lithium batteries are available. 3. Three-stage charging with periodic equalization to prevent sulfation and increase battery service life. 4. Automatic temperature compensation of charging parameters, except if Lithium battery type is selected. 5. Large selection of load control modes to provide flexibility and compatibility with a wide range 12 or 24V devices. 6. Overcharge, over-discharge, overload, short-circuit, and reverse polarity protection are included for safety, and reliability. 7. User-settable parameters and on-board memory provide flexibility, and ensure your preferences are remembered at the next startup. 8. A large and readable dot matrix LCD screen, simple design, and readable buttons make first-time set-up easy. 9.TVS lightning protection for grounded circuits. 10. One-second slow start/stop of load for added safety. Panel Structure LCD screen with backlight @ В Keys edo) opor mej nar COMET PWM CHARGE CONTROLLER USB port OOO Solar panel Battery Load State Indicators Indicated LCD Icon . Meanin CD Ico Object State eaning 3e Day recognition| Steady on Day time Night iaht ti 3 recognition Steady on Night time a Solar panel | Steady on Solar panel indication BOOST Steady on Boost charging FLOAT Charging state | Steady on Floating charging EQUALIZE Steady on Equalizing charging Quick = flashing Battery overvoltage Battery | flashing Battery over discharge = 4 dashes 100% = 3 dashes 75% ==] Battery SOC | 2 dashes 50% —! 1 dash 25% I | 0 dash 0% o Steady on Load turned on Y Load Steady on Load turned off @ uick Overload or short-circuit protecti flashing verload or short-circuit protection Dusk to Dawn, Timed, and Manual Load Modes 1. Dusk to Dawn Light Control (Mode 0): the load terminals are switched on 10 minutes after nighttime voltage drop, and off again at dawn. 2.Timed Light Control ( Mode 1 through 14): the load terminals are switched on 10 minutes after nighttime voltage drop, and stay on for <mode #> hours. 3. Manual Mode (Mode 15): the load terminals are switched on and off with the light control button on the controller. 4.0ff Mode (Mode 16): the load terminals cannot be switched on with the button or timer functions. 5.Always On Mode (Mode 17): the load terminals will always be on while a battery is connected and not over- discharged. (default cutoff is 11V) 6.The USB Ports will always be active in 12 or 12V configurations and is rated at 1A@5V. LCD Display Mode LCD Display Mode ; Dusk to dawn light control + timed 0 Dusk to dawn light control mode 9 light control (9 hour) 1 Dusk to dawn light control + timed Dusk to dawn light control + timed light control (1 hour) 10 light control (10 hour) 2 Dusk to dawn light control + timed Dusk to dawn light control + timed light control (2 hour) 11 light control (11 hour) 3 Dusk to dawn light control + timed 12 Dusk to dawn light control + timed light control (3 hour) light control (12 hour) 4 Dusk to dawn light control + timed 13 Dusk to dawn light control + timed light control (4 hour) light control (13 hour) 5 Dusk to dawn light control + timed 14 Dusk to dawn light control + timed light control (5 hour) light control (14 hour) 6 git contol (6 ht control + timed 15 Manual mode ( default) Dusk to dawn light control + timed 7 light control (7 hour) 16 Off mode Dusk to dawn light control + timed 8 light control (8 hour) 17 Always on mode How to Change Load Mode Settings In the load mode menu, long press for 2s, and the number (e.g. 15) will begin to flash. Press to adjust the mode (from 0 to 17), and then long press again for 2s to complete and save the setting. Note: 1. After parameter adjustment, if is not pressed and held long enough for exiting, the system exits to the main menu after 12s, and the parameter that was set is not saved. 2. When the system is saving data, the screen may shake slightly. This is normal and the user may ignore it. Safety Advice 1) When connected to a 24V system, solar panel terminal voltage may pose a shock hazard. Use gloves, insulated tools, and work in dry environments when making or dismantling connections. 2) Reverse connection of the battery will cause a reverse voltage at the load terminals. The controller will not be damaged, but the connected device may be. 3) In a 24 volt system, reverse connection of both panel and battery may cause damage to the controller, however, reverse connection of one or the other will not. 4)Batteries contain large amounts of energy. Use fuses or breakers in wiring, and take care not to short circuit the terminals which can cause injury. 5)Keep the battery away from sparks and open flame because batteries can emit flammable gas during charging. 6) Keep solar panels, charge controller, and batteries away from unsupervised children for safety. 7) Follow safety precautions provided by the battery manufacturer, especially with respect to maximum charging currents. 8)Inverters place a very high load on the battery. Do not connect inverters to the Load Control output. LCD Screen Illustration Battery indicator Solar panel mn Dischargin Night time Day time indicator Charging current soc current sms Load indicator indicator indicator indicator indicator indicator | | 1, > EY Tuners value isp) displa аа %V °C EQUALIZE| ани J. LIL e KWAh mew 16 0% 3A BEE Vid Ц ta da indication settings communication method Browsing Menu on LCD Screen 1).Continuously press (the screen will display the following in order: "main menu"---"solar panel voltage"---" solar panel current"---"battery capacity"---"battery voltage"---"discharging current"---"charging amp-hrs"---" discharging amp-hrs"---" temperature inside controller"---" load mode"---" load mode settings"---"error code”, and then back to "main menu". If the keys are not operated for 12s, the system will automatically return to display the "main menu". Charging state Units Main menu Solar panel voltage Solar panel current Battery capacity Battery voltage Discharging current FE 7 0 E = с Ф 136% 80-7 3000 A 000-p 136‘ S01. 7 Error code ad mode Temperature inside Discharging amp-hrs Charging amp -hrsU Q| pe (32 ® | |= ЕО | 19 1 302 546. (OUI. - Load mode setting? ® 15 © Setting Menu on LCD Screen 2). When "load mode" is displayed, long press to enter into the load mode setting. Press to adjust the mode, and long press for 2s to save and exit; or else, the system will not save the setting that was just made and automatically exit the setting interface after 12s. In the nondoad mode menu, long press for 2s to enter or exit the following settingmenus. | Select sealed lead-acid battery UN Lithium charging point Select flooded |lead-acid battery — Select GELbattery Battery type selection Select lithium battery + voltage setting 144’! a jm] e © e © fm Ц 4 Over-discharge voltage setting ~~ { Over-discharge return voltage setting ; PA es System voltage setting y n a = {1 Y | c 5 v > 3 LU IC. Set the system voltage : . i a O 2 e BE PP age have not according to controller) this menu) fav aa e a © J 3 Battery Types, Charging Voltages (Lithium Battery) Over-Discharge Return and Over-Discharge Voltage Settings In the non-load mode menu: 1) When is long pressed, the first interface entered is for battery type setting, and the flashing one is the battery type currently selected. Press to select among FLD/GEL/SLD/LI. 2) After selection, short press to enter into over-discharge return and over- discharge voltage settings; or the first to enter charging voltage setting menu for lithium battery. 3) After parameters have been set, long press for 2 s to save and exit. Parameters shall be set according to the following rule: over-discharge voltage < over-discharge return voltage <under-voltage warning < floating charging voltage < boost charging return <equalizing charging voltage < overcharge voltage; and two adjacent values shall have a difference greater than 0.5 V. Charging and Discharging Overload Protection and Recovery Time In the charging and discharging overload protection mechanism, the relation between overload current and protection time is as follows: An overload current 1.25 times of the rated current initiates a delay of 30s before starting protection; similarly, 1.5 times, 5s and 2 times, 1s. Overload recovery: automatic recovery after 1 minute. Load Short Circuit and Recovery Short-circuit automatic recovery time: 1st time, 5 s; 2nd time, 10 s; 3rd time, 15 s; 4th time, 20 s; 5th time, 4 hours or automatic recovery the next day; or long press to make the load resume output. Installation Instructions and Precautions 1. The controller shall be installed securely, and its dimensions are as follows: GS-PWM-COMET-40 External dimensions: 166.0x118.2x52.6(mm) Installation dimensions: 156x57.5 (mm) 2. Installation hole diameter: 3.5 (mm) Ll CUL LL LI NINIIDD 118,15 (0) © OOOOOO |] | | 156 166 GS-PWM-COMET-40 3. Precautions: QIf it is 12V system, the bottom left corner of LCD display will show '12V'; 24V system Will show' 24V'. @ The first step is to connect the battery. If the connection is made correctly, the controller screen will be lit up; otherwise, check whether the connection is correct. @ The second step is to connect the solar panel. If sunlight is present and strong enough (the solar panel voltage is greater than battery voltage), the sun icon on the LCD screen is on; otherwise, check whether the connection is correct (it's recommended that the operation be performed under the debugging mode). @ The third step is to connect the load. Connect the load leads to the controller's load output terminal, and the current shall not exceed the controller's rated current. ®As the controller will generate heat during operation, it's recommended that the controller be installed in an environment with good ventilation conditions. (O Choose cables with large enough capacity for connection, in case too much loss incurred on the lines causes the controller to misjudge. @This is a common negative design controller, and if the system needs to be grounded, you can either ground the battery pack only instead in the negative pole, or fasten a grounding wire along with the screw in one of the installe holes. @lt's important to fully charge the battery regularly. At least once full charging every month is recommended, and failure to do that may cause permanent damage to the battery. Only when in-flow energy outpaces out-flow energy can the battery be charged fully. Users shall bear this in mind when configuring the system. (O Check whether the controller's each connection terminal is tightened securely; if not, it may suffer damage when large current passes. Error Code List Code on LCD screen Corresponding error EO No error El Battery over discharge E2 Battery overvoltage E3 Undervoltage warning E4 Load short circuit Е5 Load overload E6 Temperature too high inside controller ES Charging current too high E10 Solar panel input voltage is too high Common Problems and Solutions Symptoms Causes and Solutions Check whether the battery is correctly LCD screen does not light up connected . Check whether the ambient temperature 15 Incom lete display or no renewal | too low and whether the display recovers on screen when the temperature rises. Check whether the solar panel is correctl connected and contact is good and reliable. Check whether the solar panel voltage falls below the battery voltage. No charging with sunlight present The sun icon does not light up, while ‚ ‚ ‚ the solar panel icon does. The battery| The load will be switched on automatically voltage is normal, but there is no after 10 minutes (set by the user). output. The battery icon flashes quickly, System overvoltage. Check whether the and there is no output. i battery voltage is too high. The battery is over-discharged, and will The battery icon flashes slowly, tput. recover when recharged adequately. and there is no outp The load's power exceeds the rated value or it's short-circuited. After removing the problem, long press the key or wait until it recovers automatically. The load icon flashes quickly, and there is no output. The load and the encircling light ring| Check whether the power-consuming device is stays lit, and there is no output. connected correctly and reliably. Check whether wiring is sound and reliable, and Other symptoms system voltage is correctly recognized. The decimal point flashes indicating that the The charging and discharging amp displayed value has reached its upper limit. -hrs displays: 9999.K Ah Long press to reset it. Grape Solar Technical Support [email protected] 1.877.264-1014 www.grapesolar.com Parameter Details Model GS-PWM-COMET-40 Remarks Rated current 40A Automatic recognition of 12V/24V Default: System voltage automatic Manual setup identification Rated power 12V/600W;24V/1200W No-load loss < 22mA/12V ; < 16mA/24V voltage, re ler the a sear energy input <55V Max. voltageat the battery en <34V Parameters Battery type Flooded | Sealed | | ehi Default FLD SLD GEL GEL | Lithium LI SLD Overvoltage protection 16.0V Equalizing charging 14.8 14.6 - - Boost charging voltage 14.6 14.4 14.2 14.4 Floating chargi x1/12V ; voltage charging 13.8 13.8 13.8 т av . Charging recovery 13.2V ' voltage * ore valide 12.5V ( settable with the keys ) Over-discharge voltage 11.0V ( settable with the keys ) Equalizing charging 30 days - - Equalizing charging time 1H - - 2H - -3.0mV/°C/2V - Lig ht control voltage Light control on 5V, light control off 6 V (light control on plus 1 V) | x 1/12V ; Boost charging time Temperature compensation Light control 10 minutes x2/24V ; judgment time USB function Yes Bluetooth function optional Operating temperature -25°Cto+55°C; When temperature is above 60°C , charging function is turned Over temperature off. and the function is recovered when temperature is below 55°C ; protection When temperature is above 70°C , load starting function is turned off, and the function is recovered when temperature is below 60°C IP protection rating IP30 Net weight 700g Battery plate reverse connection protection, a battery reverse connection protection, charging battery board short circuit protection, charging Protection functions | the battery open circuit protection, charging over current protection, overload protection, load short-circuit protection controller and over temperature protection. Dimensions 166.0x118.2x52.6(MM) ">

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