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MEGAREVO R12 KLNA-P6 User Manual
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MEGAREVO R12 KLNA-P6 User Manual

Hybrid inverter
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Hybrid Inverter User Manual

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Summary of Contents for MEGAREVO R12 KLNA-P6

  • Page 1 Hybrid Inverter User Manual...
  • Page 2 CONTENTS A02 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 ........................52 9.2 PARALLEL COMMUNICATION CABLE CONNECTION ............... 54 9.3 PARALLEL OPERATION NOTES ........................ 54 9.4 PARALLEL SYSTEM SETTING ........................55 10. ADVANCED MODE OPERATION GUIDE ..................... 57 10.1 ADVANCED MODE INTRODUCTION ....................57 11. FAULT DIAGNOSIS AND SOLUTIONS ......................61 NOTE ：...
  • Page 4 1. Notes on this Manual 1.1 Scope of Validity This manual is an integral part of Hybrid, it describes the assembly, installation, commissioning, maintenance, and failure type of the product. Please read it carefully before operating. R12KLNA-P6 R16KLNA-P6 Naming rules, For example: R12KLNA “12K”...
  • Page 5 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！...
  • Page 7 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 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. Hybrid series inverter provide Active Frequency Drift (AFD) to prevent islanding effect.
  • Page 9 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 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 3.3 Work Modes Inverter provides multiple work modes based on different requirements.
  • Page 14 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 3.5 Terminals of PV inverter Object Description DC switch Wi-Fi BAT input Generator( AC SOLAR) CAN1/CAN2/Meter_RS485/BMS_CAN/485/CTL1L2/Type-C upgrade PV1~PV4 input RSS Din RailTransmeter Grid output N Terminal PE Terminal EPS load output Screen firmware USB upgrade port LCD screen RSD/E-stop button...
  • Page 16 Type-C upgrade 2.54mm short circuit cap Screen firmware USB upgrade port * Port Function CAN1/CAN2: Communication interface for connecting inverters. Meter_RS485: Read the inverter data and send it to the screen. BMS-485/ BMS-CAN: BMS communication for lithium batteries. Wi-Fi_485: Standby crystal port for the Wi-Fi module. CT L1/L2: For external grid side CT to detect current size.
  • Page 17 DRY0_1B and DRY0_1A. +12V_com/GND com: Used to connect E-stop. IGRID_BN_I/ IGRID_BP_I: CT standby cable port. IGRID_AN_I / IGRID_AP_I: CT standby cable port. LEAD_NTC/ LEAD_GND: Lead-acid battery temperature sampling input interface. DRMO_U / GND_COM: Reserved dry contact port. WARNING! Qualified electrician will be required for the...
  • Page 18 4. Technical Parameters 4.1 Inverter specification Technical Data R12KLNA-P6 R16KLNA-P6 PV Input Data Max. DC Input Power 18kW 24kW No. of MPPT Trackers MPPT Voltage Range (without battery) 120 - 500V 120 - 430V MPPT Voltage Range (with battery) 500V MAX.DC Input Voltage 16A/16A/16A/16A 20A/20A/20A/20A...
  • Page 19 95.8% Max. PV to Battery charing Efficiency 94.5% Max. GRID to Battery charing Efficiency Protection Grounding detection Arc Fault Protection Island Protection 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...
  • Page 20 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 21 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 22 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 23 Step 4: The two latches on the lower right of the inverter open upward to open the waterproof cover. If you need to remove the display panel on the top half of the machine, use a hexagonal screwdriver to remove the six screws on the top. Step 5: Pass the corresponding conduit and fasten the joint.
  • Page 24 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 25 1.2 Disconnect the circuit board from all the phases and secure against re- connection. Step2. Grid cables selection Please use the cables corresponding to the inverter type and specifications in the attached table. R12 KLNA-P6 R16KLNA-P6 Model 3AWG（Two cables） Cable 3AWG（Two cables）...
  • Page 26 6.3 Back-up: Load 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. Load port: important load. ...
  • Page 27 Back-Up: Load Connection:  Step1.Make BACK-UP wires. Model R8KLNA-P6 R12KLNA-P6 R16KLNA-P6 3AWG（Two cables） 3AWG（Two cables） Cable 3AWG（Two cables） Step2.Remove 18mm of insulation from the end of wire. 18mm Step3.Connect the cables to the BACK-UP: Load port of the inverter. Load L1 L1 L2 L2 Requirements for BACK-UP load ...
  • Page 28 6.4 Battery Connection The charging & discharging system of the Hybrid series inverter is designed for a 48V lithium battery. Before choosing a battery, please note the maximum voltage of the battery, it can't exceed 60V and the battery communication should be compatible with the Hybrid inverter.
  • Page 29 Step1.Select 4 1awg cables and strip 20mm. The battery terminal has four wiring pins. Insert one cable into each hole (four battery cables in total). Step2. Insert the battery cable through the battery port. Connect the battery cable to the correct battery terminal. Battery terminal Note! Positive and negative wires are not allowed to reverse.
  • Page 30 Step1. Plug Wi-Fi into “Wi-Fi” port at the bottom of the inverter. Step2. Build the connection between the inverter and router. 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.
  • Page 31 Hybrid Inverter Meter GRID LOAD E-BAR...
  • Page 32 6.8 RSD/E-Stop Installation RSD function and ON/OFF function are the same button. ON/OFF：The button is connected to dry contacts “DRY1_1B”and “DRY1_1A” through two terminals, if the two terminals are both shorted, the inverter will power on. In addition, the inverter reserves a remote power off terminals. The contact has been shorted before delivery.
  • Page 33 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 34 Abbreviated noun interpretation： Abbreviation Full name Rapid Shutdown Time-of-use Constant voltage Aux load SOC Auxiliary load SOC EMERGENCY POWER SYSTEM GRID HYST GRID Hysteresis ZeroExportP Zero Export Power BAT COM Battery Communication Depth of discharge E-TODAY Energy-Today 7.1 Control Panel Code Name Explanation...
  • Page 35 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. INV: Displays inverter...
  • Page 36 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 equipment(Sell) accumulated energy from equipment to the power grid(Buy),including daily and total accumulated energy. 7.2.4 Battery ③...
  • Page 37 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 38 7.3.1.2 Enter the settings interface Users can click on the icon above to switch between setting options, machine related information, return to the Home Page. ：System Setting ：Parallel Setting ：Battery Setting ：Grid Setting ：Generator Setting ：Machine Information ：Return Home Page ：After modifying the parameters, the user needs to click on this icon to confirm the modification.
  • Page 39 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. For more advanced mode Settings, see Section 10. 7.3.2.2 System Setting/Page Two: ②...
  • Page 40 twice, time3 twice), The inverter runs repeatedly every day according to the set time. Set time range 00:00 23:59 2) The inverter executes according to the settings of time1, time2 and time3 in the order of time. The following figure is an example。Different time periods do not overlap.
  • Page 41 Discharge Cur: This interface is used to select the parallel discharge current. 7.3.4 Battery Settings 7.3.4.1 Battery Type and Communications： ① Set Battery Type and Battery Communication method. Users can choose the battery type is lead-acid battery/lithium battery, and the battery communication method is CAN/485.
  • Page 42 ranges from 40 to 59.5) Set the floating When the battery discharge is charge voltage to be less than the higher than the set parameter, the constant charge voltage). inverter generates a battery low Bat Cutoff Volt: Discharge protection voltage alarm. Distinguish between grid-connected alarm parameters voltage (This interface is used to set the and off-grid alarm parameters.
  • Page 43 7.3.6 Generator Setting Stop SOC: When the SOC of battery is higher than the set point, the Generator dry contact is enabled and Generator Manual operation is disabled, the connected Generator will be stopped (START SOC＜STOP SOC). ①Diesel generator enable settings: Charge Current: It indicates the Gen Enable: Enable control of the...
  • Page 44 7.3.7.2 Inverter Information/Page Two you can use the following options to control the screen backlight. If the option does not enable, the screen will turn off in 3 minutes by default. ② Screen backlight brightness adjustment. The value ranges from 0 to 100%.
  • Page 45 7.4.2 System settings Backup Enable： When the Grid and PV are powered off, Enable the battery to supply power to the load, default option is enabled. Modbus Address: The default value is 1 and you do not need to change it. Grid Export Limit: Users can click to enter the numerical input interface.
  • Page 46 7.4.5 Grid Reconnect Parameter Grid Reconnection Parameter： Grid Volt Low/High： Set the upper and lower limits of power grid voltage reconnect parameters. Grid Freq Low/High: upper and lower limits of power grid frequency reconnect parameters. Grid Reconnection Time: The grid connection time can be set, but the minimum time cannot exceed 30S.
  • Page 47 Charge P(U): Charge voltage response. in, and the inverter switches to the By- When the grid voltage is abnormal, the pass band load. If the inverter is off- charging power will be limited, and the grid, the output will be disconnected function will be enabled if required by the during insulation detect and the load national grid standards.
  • Page 48 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 49 2）The Generator is normally connected to the Generator port. The connecting cable between the Generator and the inverter does not need to be covered with CT. The connection line of the power grid port should be connected with CT. The system diagram is as follows.
  • Page 50 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 51 Gen Manual Start/Stop: running time. The unit is 0.1 hour. The on/off command in manual control Max Operating: It indicates the mode. longest time Generator can run in Gen Connect to Grid: Connect the one day, when time is up, the diesel Generator to the grid input port.
  • Page 52 8.3.4 Generator Manual mode Setting As shown in the picture on ① the left, select Gen Enable, Gen Manual and Gen charge enable. charging current, generator power, stop cooling time, ② maximum running time.
  • Page 53 9. Inverter Parallel Guide 9.1 Parallel System Diagram...
  • Page 55 Multiple inverters can be installed together to deliver more power. When AC loads are present, all units effectively share the load. The system diagram is as follows. When using the parallel Inverter, the user can choose to share CT or not share 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 56 grid power line and the load line of the two inverters should be roughly the same length. 4) Make sure the CT Limiter sensor is installed properly. If the load is connected outside the inverter, user need to choose common CT and make sure the CT ratio is right (the default 200A CT ratio is 1:2000, no need to change).
  • Page 57 settings of each inverter cannot be the same. CT Ratio: Set the CT ratio to 2000:1 by default. Charge Curr: Set the total battery charging current of multiple parallel inverters, and the current will be evenly distributed to each inverter. Parameters are set only by the master.
  • Page 58 10. 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 59 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 60 ⑥Advanced Settings Users click 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 61 Note！ If the use time is started and the inverter is operating outside the timeline,  it will run in SELF CONSUME mode. Advanced mode only makes sense when both the battery and the grid  exist.
  • Page 62 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 63 (SOC<100%-DOD) capacity T he battery voltage is (1) Checking System Settings, If so, greater than the power off and restart. Inverter maximum (2) Contact customer service if error Bat Over Vol voltage. warning continues. Grid voltage is (1) Check if the grid is abnormal. Gird low vol abnormal (2) Restart the inverter and wait until it...
  • Page 64 (2) Restart the inverter and wait until it functions normally. (3) Contact customer service if error warning continues. INV frequency is (1) Check if the INV frequency is abnormal abnormal. (2) Restart the inverter and wait until it Inv Freq Abnor functions normally.
  • Page 65 damaged and need to functions normally. inv soft fail troubleshoot the cause (2) Contact customer service if error bus short warning continues. inv short Fan fault. (1) Check whether the Inverter temperature is abnormal. fan fault (2) Check whether the fan runs properly.
  • Page 66 NOTICE: The copy right of this manual belongs to Shenzhen Megarevo technology co. LTD. Any corporation or individual should not plagiarize, copy, reduction, or distribution this manual in any form or by any means. All rights reserved. The information in this document（including software, etc.）is subject to change without notice.

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