Growcol R10KL1 User Manual
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Growcol R10KL1 User Manual

Hybrid inverter (low battery voltage)
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Product features
Grace
• Fashion apperance, light weight, smart operation.
• Natural cooling, low noise.
• IP65 , wall mounted design, saving space.
• Touch screen LCD.
Advance
• Intelligent energy management system for home.
• Power dispatching and demand side response
management.
• Distributed virtual power station management.
• Frequency droop control, Max.8pcs parallel.
• Support storing energy from diesel generator.
Application scenario
Villa&Household
Communication base station
Hybrid Inverter
Hybrid Inverter
(Low Battery Voltage)
(Low Battery Voltage)
R10KL1
R10KL1
User Manual
Flexible
• Wide input voltage range.
• Compatible with lead-acid or
lithium-ion batteries or other battery.
Reliable
• Compatible anti counter flow function
• Battery reverse connect protection
Nomadic area
Farm
Field power supplly

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Summary of Contents for Growcol R10KL1

  • Page 1 Hybrid Inverter Hybrid Inverter (Low Battery Voltage) (Low Battery Voltage) R10KL1 R10KL1 User Manual Product features Grace Flexible • Fashion apperance, light weight, smart operation. • Wide input voltage range. • Natural cooling, low noise. • Compatible with lead-acid or •...

  • Page 2: Table Of Contents

    CONTENTS A03 1. NOTES ON THIS MANUAL ..........................3 1.1 SCOPE OF VALIDITY ............................3 1.2 TARGET GROUP ...............................3 1.3 SYMBOLS USED ...............................3 2. SAFETY ..................................4 2.1 IMPORTANT SAFETY INSTRUCTIONS ....................... 4 2.2 EXPLANATION OF SYMBOL ........................8 3. INTRODUCTION ..............................9 3.1 BASIC FEATURES .............................9 3.2 SYSTEM DIAGRAM ............................9 3.3 WORK MODES ..............................
  • Page 3 9.1 PARALLEL SYSTEM DIAGRAM ........................50 9.2 PARALLEL COMMUNICATION CABLE CONNECTION ............... 52 9.3 PARALLEL OPERATION NOTES ........................ 52 9.4 PARALLEL SYSTEM SETTING ........................52 10. ADVANCED MODE OPERATION GUIDE ..................... 54 10.1 ADVANCED MODE INTRODUCTION ....................54 11. FAULT DIAGNOSIS AND SOLUTIONS ......................57 NOTE ：...

  • Page 4: Notes On This Manual

    Please read it carefully before operating. R7K6L1 R8KL1 R10KL1 Naming rules, For example: R7K6L1 “7K6” means “output power 7.6kw”. “L、H” means “high battery voltage”，“low battery voltage.” Store this manual where it will be always accessible.

  • Page 5: Safety

    2. Safety 2.1 Important Safety Instructions Danger! Danger to life due to high voltages in the inverter!  All work must be carried out by qualified electrician.  The appliance is not to be used by children or persons with reduced ...
  • Page 6 Warning！ Authorized service personnel must disconnect both AC and DC power  from inverter before attempting any maintenance, cleaning or working on any circuits connected to inverter. Warning! Do not operate the inverter when the device is running.  Warning！ Risk of electric shock! ...
  • Page 7 before unplugging DC, battery in plug and MAINS couplers. When accessing the internal circuit of inverter, it is very important to wait 5  minutes before operating the power circuit or demounting the electrolyte capacitors inside the device. Do not open the device beforehand since the capacitors require time to sufficiently discharge! Surge protection devices (SPDs) for PV installation ...
  • Page 8 they won't stop conducting until the voltage across their terminals is typically more than 30 volts. Anti-Islanding Effect  Islanding effect is a special phenomenon that grid-connected PV system still supply power to the nearby grid when the voltage loss has happened in the power system. It is dangerous for maintenance personnel and the public.

  • Page 9: Explanation Of Symbol

    2.2 Explanation of Symbol This section gives an explanation of all the symbols shown on the inverter and on the type label. Symbols on the Type Label UL certified This symbol indicates that you should wait at least 5 min after disconnecting the inverter from the utility grid and from the PV panel before touching any inner live parts.

  • Page 10: Introduction

    3. Introduction 3.1 Basic features Hybrid Series is a high-quality inverter which can convert solar energy to AC energy and store energy into battery. The inverter can be used to optimize self-consumption, store in the battery for future use or feed into public grid. Work mode depends on PV energy and user’s preference.
  • Page 11 All switches and RCD devices in the figure are for reference only, and the specific installation shall be subject to local regulations. Note!  Please control the home loads, and make sure it’s within the “BACK-UP output rating” under BACK-UP mode, otherwise the inverter will shut down with an “overload fault”...
  • Page 12 Note! The arrow on the CT points to the power grid, as shown.  If the CT connector is improperly connected, the inverter  cannot read the data correctly, so that the relevant working conditions cannot be realized normally.

  • Page 13: Work Modes

    3.3 Work Modes Inverter provides multiple work modes based on different requirements.

  • Page 14: Dimension

    In addition to the above three basic modes, there is also an “Advanced Mode”. Please refer to Chapter 10 for details. 3.4 Dimension...

  • Page 15: Terminals Of Pv Inverter

    3.5 Terminals of PV inverter Object Description DC switch BAT input Wi-Fi CAN1/CAN2/RS485/BMS485,BMSCAN//CTL1/CTL2/Type-c upgrade PV1~PV4 input Generator Grid BACK-UP1 output BACK-UP2 output Screen firmware USB upgrade port RSD/E-stop button...
  • Page 16 * Port Function · CAN1/CAN2: Communication interface for connecting inverters. · RS485: Read the internal data of inverter. BMS-485/ BMS-CAN: BMS communication for lithium batteries. CT L1: For external grid side CT to detect current size. TYPE-C UPDATE: Update Inverter software locally on PC via USB-A port. DRY1_1B/DRY1_1: Used to start the driver.

  • Page 17: Technical Parameters

    4. Technical Parameters 4.1 Inverter specification Technical Data R7K6L1 R8KL1 R10KL1 PV Input Data MAX. DC Input Power 12kw 12KW 15kW NO. MPPT Tracker MPPT Range 120 - 500V MAX. DC Input Voltage 500V MAX. Input Current MAX. Short Circuit Current...
  • Page 18 Arc Fault Protection optional Island Protection Battery reverse Polarity Insulation Resistor Detection Residual Current Monitoring Unit Output Over Current Protection Back- up Output Short Protection Output Over Voltage Protection Output Under Voltage Protection General Data Operating Temperature Range - 25 ~ +60°C( > 45°C derating) Relative Humidity 0- 95% Operating Altitude...

  • Page 19: Installation

    5. Installation 5.1 Check for Physical Damage Make sure the inverter is intact during transportation. If there is any visible damage, such as cracks, please contact your dealer immediately. 5.2 Packing List Open the package and take out the product, please check the accessories first. The packing list shown as below.

  • Page 20: Mounting

    5.3 Mounting Installation Precaution  Inverter is designed for outdoor installation (IP65). Make sure the installation site meets the following conditions:  Not in direct sunlight.  Not in areas where highly Flammable materials are stored.  Not in potential explosive areas. ...
  • Page 21 Space Requirement  Position Min. size Left 300mm Right 300mm 500mm Bottom 500mm Front 1000mm Mounting  Tools required for installation. Installation tools: crimping pliers for binding post and RJ45, screwdriver, manual wrench etc Step 1: Drill 4 holes in the wall according to the following distance dimensions, 50~60mm depth.
  • Page 22 Step 4: Remove the cover screws by Allen Wrench and remove the c Remove over. the waterproof cover by a flat blade screwdriver. Wiring box conduit plugs, Conduit plugs are provided for 1inch conduit fittings. If used conduit fitting is not 1 inch, an appropriate conduit adaptor should be used.

  • Page 23: Electrical Connection

    6. Electrical Connection 6.1 PV connection Hybrid can be connected in series with 4-strings PV modules for 5kw, 6kw, 7.6kw, 8kw，10kw. Select PV modules with excellent function and reliable quality. Open- circuit voltage of module arrays connected in series should be less than Max. DC input voltage;...

  • Page 24: Grid Connection (Gen Connection)

    Use the right pin terminal from the accessory box. Press the connectors on cable conductor core tightly. Model R7K6L1 R8KL1 R10KL1 8AWG Cable 10AWG Step3. Select the wire to connect with the cold-pressed terminal. (Remove 18mm of insulation from the end of wire.) 18mm Step4.

  • Page 25: Back-Up: Load1 And Load2 Connection

    6.3 Back-up: Load1 and Load2 Connection Inverter has On and Off grid function, the inverter will deliver output power through AC port when the grid is on, and it will deliver output power through back-up port when the grid is off. Auto &...
  • Page 26 When using the off-grid function, please add off grid AC breaker in off grid output cable to ensure safety. Model R7K6L1 R8KL1 R10KL1 Micro-breaker Note: The absence of a AC breaker on the back-up side will lead to inverter damage, if an electrical short circuit happens on the back-up side. Step1.Make BACK-UP wires.

  • Page 27: Battery Connection

    Battery breaker  Before connecting to the battery, please install a no-polarized DC breaker to make sure that the inverter can be securely disconnected during maintenance. Model R7K6L1 R8KL1 R10KL1 Current[A] 250A 300A Battery connection diagram  CAN/485 Battery BMS PIN Definition ...

  • Page 28: Wi-Fi Connection (Optional)

    Power Connection Battery:  Step1 Choose 1 AWG wire and strip to 15mm off the cable. Select two O-terminals with an aperture of M10. Insert the stripping line into the O-terminal and clamp it with a crimping clamp. Step2. Insert the battery cable through the battery port. Connect the battery cable to the correct battery terminal.

  • Page 29: Gprs Connection (Optional)

    Step3. Create a user account online. (Please check the Wi-Fi user manual for more details). 6.6 GPRS Connection (optional) Inverter provides a GPRS port which can collect data from inverter and transmit it to monitoring-website by GPRS. (Purchase the product from supplier if needed) 1)Diagram Cloud Router...
  • Page 30 RS485_METER CAN1 CAN2 (Internal Use) BMS-485 CT -L1 BMS-CAN...

  • Page 31: Rsd/E-Stop Installation

    6.8 RSD/E-Stop Installation This button combines two functions: RSD and E-stop. The button is a normally closed (NC) contact. When the button is pushed, the state of the e-stop is open. RSD is used to start or stop the drive of the inverter. E-stop is used to turn the PV on or off.

  • Page 32: Led Operation

    7. LED Operation 1. Energy Storage Inverter 2. PV 3. Grid 1. Work Mode 4. Battery LED Operation 2. Advanced Mode 5. Load 3. Backup Enable 6. Generator 4. Sell enable 5. Grid Power Limit 6. Advanced Settings 7. PV types 1.

  • Page 33: Control Panel

    Abbreviated noun interpretation： Time-of-use Abbreviation Full name Rapid Shutdown Auxload SOC Auxiliary load SOC Constant voltage GRID HYST GRID Hysteresis EMERGENCY POWER SYSTEM ZeroExportP Zero Export Power BAT COM Battery Communication Depth of discharge E-TODAY Energy-Today 7.1 Control Panel Code Name Explanation Click Energy Storage Inverter to enter the working status interface...

  • Page 34: Working Status

    7.2 Working Status 7.2.1 Energy Storage Inverter ④ Display status information, including System status, Inverter status, and DCDC status. System Status: Display complete Inverter status information, include INIT, STANDBY, PV GRID, BAT GRID, BYP, AC BAT CHG, HYBRID POW etc. ①Users can click on the icon above to INV: Displays...
  • Page 35 7.2.3 Grid ① Display the working parameters on the grid, including Frequency, real-time voltage, real-time current, and real-time power. ②Accumulated energy from the power grid to the equipment(Sell) and accumulated energy from equipment to the power grid(Buy),including daily total accumulated energy. 7.2.4 Battery ③...

  • Page 36: Setting

    7.2.5.2 Load/Page Two Home Load When set Home load EN to "ENABLE", if you have a load connected to the mains port, you can see its Home load power. 7.2.6 Generator Display the working parameters of the generator, including real-time voltage, current, and power.
  • Page 37 7.3.1.2 Enter the settings interface Users can click on the icon above to switch between setting options, Inverter related information, and return to the Home Page. ：System Setting ：Parallel Setting ：Battery Setting ：Grid Setting ：Generator Setting ：Inverter Information ：Return Home Page ：After modifying the parameters, the user needs to click on this icon to confirm the modification.
  • Page 38 ⑤Grid Power Limit： Users can click to enter the numerical input interface. This function is used to limit the inverter conversion power of the inverter. The default parameter is 8000W. ⑥Advanced Settings Users can click to enter the advanced settings interface. There are also some attributes of these mode: Global Grid Charge Enable, PV Charge Only, Bat Charge On Priority, Time-of-use Enable and 6 Time-of-use Slots.
  • Page 39 7.3.2.4 System Setting/Page Four: Setting of charging and discharging time for Peak Shift. When the working mode is Peak Shift, users need to enter this interface to set the charging and discharging time. And Users need to manually input the start charge/discharge time and the end charge/discharge time.
  • Page 40 7.3.3 Parallel Settings ①Parallel enable: Start or disable the parallel function. ① ③ Master/Slave: This interface is used for parallel, and the inverter is selected as the ② master or slave ④ ② Common Grid CT: Enable disable CT sharing. ③3 Phase Parallel: Enable or disable group 3 phase enable.
  • Page 41 After the battery wakes up successfully, please turn off the function, otherwise it will affect the normal operation of the Inverter. ④CAN ID：The default is 0, and this function is only used for lithium batteries with specific communication protocols. If required, please contact the supplier 7.3.4.2 Battery Setting：...
  • Page 42 7.3.5 Grid Setting 7.3.5.1 Grid Setting/Page one ②Low Voltage: The input value of Grid low voltage. It is valid when grid mode selected custom. High Voltage: The input value of Grid high voltage. It is valid when grid mode selected custom. Low Freq: The input value of Grid low frequency.
  • Page 43 7.3.5.2 Grid Setting/Page Two This interface is used to select Grid standard. Users can set and switch grid standards according to their needs. AU: Australia AU-W: Western Australia NZ: New Zealand UK: United Kingdom PK: PAKISTAN KR: Korea PHI: Philippines CN: China US: America TSAIL: THAILAND...
  • Page 44 PWR-VOLT RES: Generation voltage response. When the grid voltage is abnormal, the active power is limited, and the function is enabled when required by the national grid standard. PWR-FREQ RES: Generation frequency response. When the power grid frequency is abnormal, the active power will be limited, and the function will be enabled if required by the national power grid standard.
  • Page 45 Manual Start/Stop:The on/off restart after it has reached the command in manual control mode. running time. The unit is 0.1 hour. Gen Connect to Grid: Connect the diesel Max Operating: It indicates the Generator to the grid input port. longest time Generator can run in ②Diesel generator parameter setting: one day, when time is up, the Start SOC: When the SOC of battery is...
  • Page 46 7.3.7.3 Inverter Information/Page Three This interface is used to reset the inverter.

  • Page 47: Generator Use Operation Guide

    8. Generator Use Operation Guide 8.1 Generator Use Diagram The generator provides two wiring methods for connection, and the customer can choose one of them according to the actual situation. 1）The Generator is connected to the grid port of the inverter. The connecting cable shall be covered with CT.

  • Page 48: Generator Operation Notes

    8.2 Generator Operation Notes 1) The two wires start signal DRYO_1A and DRYO_1B of the Generator is used to automatically control the start and stop of the Generator. 2)When the generator is used in inverter parallel situation, the two wires start signal is only needed to be connected to the master unit.

  • Page 49: Generator Setting

    8.3 Generator Setting 8.3.1 Generator Setting (Lithium battery) Stop SOC: Generator in automatic mode. When the SOC of battery is higher than the set point, the Generator dry contact is disconnected, the connected Generator will be stopped (START SOC＜STOP SOC). Charge Current: It indicates the ①Diesel generator enable settings:...
  • Page 50 8.3.2 Generator Setting (Lead-acid battery) Stop Volt: Generator in automatic ① mode. When the volt of battery is higher than the set point, the Generator dry contact is disconnected, the connected ② Generator will be stopped (START Volt ＜STOP Volt). Start Volt: Generator in automatic mode.

  • Page 51: Inverter Parallel Guide

    9. Inverter Parallel Guide 9.1 Parallel System Diagram 9.1.1...
  • Page 52 9.1.2 Multiple inverters can be installed together to deliver more power. When AC loads are present, all units effectively share the load. When using the parallel Inverter, the user can choose to common CT or not common CT (without sharing CT, each inverter should be connected to one CT, CT connection method is the same as the single Inverter connection method).

  • Page 53: Parallel Communication Cable Connection

    9.2 Parallel Communication Cable Connection CAN1 CAN2 For parallel communication, CAT 5 cables are needed. The units should be connected hand by hand. When using common batteries, BMS cable needs to be connected to the master unit. The inverter shares the BMS information by inter-unit parallel communication cable. 9.3 Parallel Operation Notes 1) Make sure all the units in parallel are with the same software version.
  • Page 54 9.4.1 Setting ① Parallel enable: Start or disable the parallel function. ① ③ Master/Slave: This interface is used for parallel, and the inverter is selected as the master or slave Only one master and ② multiple slaves can exist at the same ④...

  • Page 55: Advanced Mode Operation Guide

    Advanced Mode Operation Guide 10.1 Advanced Mode Introduction The hybrid inverter can be programmed to control how and when to use grid power. The Advanced mode allow management of flexible loads and time-of-use billing. There are three advanced mode available: Sell First Mode、Limited Consumption Mode and Zero export Mode.
  • Page 56 Start Time End Time Bat Power Grid Charge Bat SOC 00:00 05:00 8000 W √ 50 % 05:00 08:00 8000 W 50 % 08:00 10:00 8000 W √ 50 % 10:00 16:00 8000 W 50 % 16:00 19:00 8000 W √...
  • Page 57 ⑥Advanced Settings Users can click to enter the advanced settings interface. There are also some attributes of these mode: Global Grid Charge Enable, PV Charge Only, Bat Charge on Priority, Time-of-use Enable and 6 Time-of-use Slots. Advanced Settings/First Page： i Time-of-use Enable: There are 6 slots which can be programmed. If grid charge is enabled, the grid is used to power the load and charge the battery to target SOC at specific bat power attribute value.

  • Page 58: Fault Diagnosis And Solutions

    11. Fault diagnosis and solutions The inverter is easy to maintain. When you encounter the following problems, please refer to the Solutions below, and contact the local distributor if the problem remains unsolved. The following table lists some of the basic problems that may occur during the actual operation as well as their corresponding basic solutions.
  • Page 59 normally. (3) Contact customer service if error warning continues. Grid Frequency is (1) Check if the grid is abnormal. Grid low freq abnormal. (2) Restart the inverter and wait until it functions normally. Grid overFreq (3) Contact customer service if error warning continues.
  • Page 60 The inverter (1) Cut off all the power of the machine and wait temperature is higher one hour, then turn on the power of the igbt temp high than the allowed value machine. Battery temperature is (1) Disconnect the battery and reconnect it after an higher than the hour.
  • Page 61 PV iso low (1) Check if the PE line is connected to the inverter and is connected to the ground. (2) Contact customer service if error warning PV iso low continues. The inverter may be (1) Restart the inverter and wait until it functions Bus Relay Fault damaged normally.

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