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enertik MAX III User Manual

11kw pv inverter
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USER MANUAL
MAX III
11KW PV Inverter
Version: 1.0

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  • Page 1 USER MANUAL MAX III 11KW PV Inverter Version: 1.0...

  • Page 2: Table Of Contents

    Table of Contents 1. Introduction ........................1 1-1. System Overview ......................1 1-2. Production Specifications .................... 2 2. Important Safety Warnings ....................5 3. Unpacking & Overview ....................... 7 3-1. Product Overview ....................... 7 3-2. Packing List ........................ 8 4. Installation ........................8 4-1.

  • Page 3: Introduction

    1. Introduction 1-1. System Overview This solar inverter can provide power to connected loads by utilizing PV power, utility power and battery power. Figure 1 Basic PV System Overview Depending on different power situations, this solar inverter is designed to generate continuous power from PV solar modules (solar panels), battery, and the utility.

  • Page 4: Production Specifications

    1-2. Production Specifications Model 11KW RATED POWER 11000 W PV INPUT (DC) Maximum DC Power 12000 W Nominal DC Voltage 360 VDC Maximum DC Voltage 500 VDC MPP Voltage Range 90 VDC ~ 450 VDC Maximum Input Current 2 x 27 A (MAX 40 A) Isc PV (absolute maximum) 2 x 27 A (MAX 40 A) Power Limitation...
  • Page 5 Power Limitation BATTERY & CHARGER (Lead-acid/Li-ion) DC Voltage Range 40 – 63 VDC Nominal DC Voltage 48 VDC Maximum Battery Discharging Current 228 A Maximum Charging Current 150 A Overcharge Protection 63 VDC Charger power de-rating Power 7500W 2000W AC Input Voltage 220V 280V Power...
  • Page 6 GENERAL PHYSICAL Dimension, D X W X H (mm) 687 x 432.4 x 176.3 Net Weight (kgs) 30Kg INTERACE Communication Port RS-232/USB/RS485/CAN/Wi-Fi/Dry-Contact ENVIRONMENT Ingress Protection Rating IP21 Humidity 0 ~ 90% RH (No condensing) Operating Temperature -10 to 50°C Altitude 0 ~ 1500m Audible Noise <60dB...

  • Page 7: Important Safety Warnings

    2. Important Safety Warnings Before using the inverter, please read all instructions and cautionary markings on the unit and this manual. Store the manual where it can be accessed easily. This manual is for qualified personnel. The tasks described in this manual can only be performed by qualified personnel. Symbols used in Equipment Markings Refer to the operating instructions Caution! Risk of danger...
  • Page 8 CAUTION! Do not disassemble this inverter yourself. It contains no user-serviceable parts. Attempt to service this inverter yourself may cause a risk of electrical shock or fire and will void the warranty from the manufacturer. CAUTION! To avoid a risk of fire and electric shock, make sure that existing wiring is in good condition and that the wire is not undersized.

  • Page 9: Unpacking & Overview

    3. Unpacking & Overview 3-1. Product Overview ① LCD display panel COM6: Reserved GFCI, AFCI detection port ⑪ ② Operation buttons PV input 1 & 2 ⑫ ③ Power on/off switch Generator input ⑬ ④ PV switch Grid input ⑭ ⑤...

  • Page 10: Packing List

    3-2. Packing List Before installation, please inspect the unit. Be sure that nothing inside the package is damaged. You should have received the following items inside of package: Parallel Share current Inverter unit RS-232 cable connectors cable wires x 2 sets Fixing Cable gland Mounting...

  • Page 11: Mounting Unit

    4-3. Mounting Unit WARNING! Remember that this inverter is heavy! Please be careful when lifting it out from the package. Installation to the wall should be implemented with the proper screws. After that, the device should be bolted on securely. The inverter only can be used in a CLOSED ELECTRICAL OPERATING AREA.

  • Page 12: Preparation

    4-4. Preparation Before connecting all wires, be sure to open sliding cover by releasing the two captive screws on two sides. Refer to chart below for the details.
  • Page 13 Overview of the cable box ① External CT Connection ② AC Terminal and Breaker ③ Ground Studs ④ Battery Terminal...

  • Page 14: Ac Input 1 (Generator) Connection

    5. AC Input 1 (Generator) Connection 5-1. Preparation NOTE 1: The overvoltage category of the AC input is III. It should be connected to the power distribution. NOTE 2: Before connecting to grid, please install a separate AC breaker between inverter and grid.

  • Page 15: Ac Input 2 (Utility) Connection

    6. AC Input 2 (Utility) Connection 6-1. Preparation NOTE 1: The overvoltage category of the AC input is III. It should be connected to the power distribution. NOTE 2: Before connecting to grid, please install a separate AC breaker between inverter and grid.

  • Page 16: Pv Module (Dc) Connection

    7. PV Module (DC) Connection 7-1. Preparation NOTE1: Before connecting to the PV modules, please separately install a DC circuit breaker between the inverter and the PV modules. Please use a 600VDC/30A circuit breaker. NOTE2: The overvoltage category of the PV input is II. WARNING! Because this inverter is non-isolated, only two types of PV modules are acceptable: single crystalline and poly crystalline with class...

  • Page 17: Recommended Panel Configuration

    7-2. Recommended Panel Configuration Specifications Solar panel Nominal Max. Power (Pmax) (W) Opt. Operating Voltage (Vmp) (V) 35.5 35.7 35.9 36.1 Opt. Operating Current (Imp) (A) 17.33 17.37 17.41 17.46 Open Circuit Voltage (Voc) (V) 42.7 42.9 43.1 43.3 Short Circuit Current (Isc) (A) 18.26 18.31 18.36...

  • Page 18: Battery Connection

    8. Battery Connection NOTE1: Before connecting to batteries, please install separately a DC circuit breaker between inverter and batteries. Please use 80VDC/300A circuit breaker. NOTE2: Please only use sealed lead acid battery, vented and Gel battery. Please check the maximum charging voltage and current when first using this inverter. If using a Lithium iron or Nicd battery, please consult with installer for the details.

  • Page 19: Load (Ac Output) Connection

    9. Load (AC Output) Connection 9-1. Preparation NOTE1: To prevent further supply to the load via the inverter during any mode of operation, an additional disconnection device should be placed on in the building wiring installation. WARNING! It's very important for system safety and efficient operation to use the appropriate cable for AC connection.

  • Page 20: Connecting To The Ac Output 2

    9-3. Connecting to the AC Output 2 Please follow the steps below to implement the AC output 2 connection: 4. Before making output 2 connection, be sure to first open the DC protector or disconnector. 7 mm 5. Remove 7mm of the insulation sleeve. 6.

  • Page 21: Communication

    10. Communication The inverter is equipped with several communication ports to communicate with a PC with the corresponding software. Follow the below procedure to connect the communication wiring and install the software. Please install monitoring software in your computer. Detailed information is listed in the next chapter.

  • Page 22: Pin Assignment Of Com-2 Port (12V For Supplying External Rsd)

    10-3. Pin Assignment of COM-2 Port (12V for supplying external RSD) PIN # Definition PIN # Definition PIN 1 +12V PIN 5 PIN 2 +12V PIN 6 PIN 3 +12V PIN 7 PIN 4 +12V PIN 8 This port is reserved to integrate with external RSD (Rapid Shutdown Device). 10-4.

  • Page 23: Pin Assignment Of Com-6 Port (Afci, Gfci, E-Stop Detections)

    10-8. Pin Assignment of COM-6 Port (AFCI, GFCI, E-STOP Detections) PIN # Definition PIN # Definition PIN 1 +12V PIN 5 AFCI_AFD.ALM PIN 2 E-STOP Input PIN 6 PIN 3 AFCI_FRB PIN 7 PIN 4 PIN 8 This port is reserved to integrate with external AFCI, GFCI or E-STOP device.

  • Page 24: Commissioning

    11. Commissioning 1. Check the following requirements before commissioning:  Ensure that the inverter is firmly secured  Check if the open circuit DC voltage of the PV module meets the requirements (see Section 7)  Check if the open circuit utility voltage of the utility is approximately the same as the nominal expected value from local utility company.
  • Page 25 3. Return cover holder to original position and close sliding cover. 4. Lock two screws tightly on the two sides. 5. Press power on/off switch to turn on the inverter.

  • Page 26: Operation

    12. Operation 12-1. Interface The operation panel, shown in the chart below, includes four touchable function keys, twelves setting indicators and a colorful LCD display to indicate the operating status, configured critical parameters and all power information. 12-2. LCD Information Display Home page: indicates the summarized power...
  • Page 27 information. Internal data page: Indicates fan speed and temperature information. Logs page: Indicates all event, warning, and fault messages. Configuration Press icon for 3s to enter the setting menu. There are three sub-menus: Information, Basic and Advanced. Click icon to exit setting and return to Home page.
  • Page 28 The output and charger source priority Regular: Priority arranged every day Schedule: Priority arranged during setting hours If setting 00hr – 00hr, the setting will not be activated. Default: Regular Battery Type Selection If “User-Defined” is selected, battery charge voltage and minimum voltage can be set up.
  • Page 29 The maximum charging current and limitation while charging from Utility and Generator Default: 60A (Max charging current), 30A (Generator charging current), 30A (AC charging current) The max. discharging current Default: Disabled (no limitation) The compatibility of AC input source Default: Generator Configure fault or overload behaviors Default: Disabled...
  • Page 30 BMS automatically. Default: 42V, 46V, 0%, 20% The second output control according to the battery discharge timer or discharge/charging time Default: 00hr~23hr, Disabled, 0 min Calibration with external meter Default: 0, 200W Specific critical operations activate (It’s necessary to enter Password 4743 to access) Feed power to Grid function Reset to factory setting...

  • Page 31: Touchable Function Keys

    12-3. Touchable function keys Operation Function Quick touch Confirm selection Long Press Enter configuration mode Quick touch. Exit the setting Quick touch. Select next selection or scroll to next page Quick touch. Select next selection or scroll to up page NOTE: If backlight of LCD module shuts off, you may activate it by touching any key 12-4.

  • Page 32: On/Off Operation (Located On The Side Of The Inverter)

    12-5. On/Off Operation (located on the side of the inverter) Quick press to wake up inverter when the input power is supplied from battery only. Press and hold the button for 3 seconds to turn on/off the AC output of the inverter.

  • Page 33: Maintenance & Cleaning

    13. Maintenance & Cleaning Check the following points to ensure proper operation of whole solar system at regular intervals.  Ensure all connectors of this inverter are cleaned all the time.  Before cleaning the solar panels, be sure to turn off PV switch first. ...

  • Page 34: Trouble Shooting

    14. Trouble Shooting When there is no information displayed in the LCD, please check if PV module/battery/grid connection is correctly connected. NOTE: The warning and fault information can be recorded by a remote monitoring software. 18-1. Warning List When a warning situation occurs, icon will flash.

  • Page 35: Appendix I: Parallel Installation Guide

    Appendix I: Parallel Installation Guide Introduction This inverter can be used in parallel with maximum 6 units. The supported maximum output power is 66KW/66KVA. Parallel cable You will find the following items in the package: Parallel communication cable Current sharing wires Overview 1.

  • Page 36: Wiring Connection

    Wiring Connection The cable size of each inverter is shown as below: Recommended battery cable and terminal size for each inverter: Ring terminal: Ring Terminal Wire Size Dimensions Torque value Cable mm 2 D (mm) L (mm) 3/0AWG 7~12 Nm WARNING! Be sure the length of all battery cables is the same.
  • Page 37 Inverters Configuration Two inverters in parallel: Power Connection Communication Connection Three inverters in parallel: Power Connection...
  • Page 38 Communication Connection Four inverters in parallel: Power Connection Communication Connection Five inverters in parallel: Power Connection...

  • Page 39: Communication Connection

    Communication Connection Six inverters in parallel: Power Connection Communication Connection LCD Setting and Display Setting Program: Description Selectable option Single AC output mode When the unit is operated alone, please *This setting is select “Single” able to set up only when the inverter is in Parallel When the units are used in parallel for...
  • Page 40 L1 phase: When the units are operated in 3-phase application, please choose phase to define each inverter. It is required to have at least 3 inverters or maximum 6 inverters to support three- phase equipment. It’s required to have at least one inverter in each phase or it’s up L2 phase: to four inverters in one phase.
  • Page 41 LCD & LED display in Master unit LCD & LED display in Slave unit Step 5: If there is no more fault alarm, the parallel system is completely installed. Step 6: Please switch on all breakers of Line wires in load side. This system will start to provide power to the load. Support three-phase equipment Step 1: Check the following requirements before commissioning: Correct wire connection...

  • Page 42: Appendix Ii: The Wi-Fi Operation Guide

    Appendix II: The Wi-Fi Operation Guide 1. Introduction Wi-Fi module can enable wireless communication between solar inverters and the monitoring platform. Users can remotely monitor and control their inverters when they combine the Wi-Fi module with Energy-Mate APP. The App uses the Wi-Fi chip to provide remote monitoring data services, which is beneficial for the daily data monitoring of the inverter, querying the real-time data in the device, sending commands from the device, and operating the device remotely.
  • Page 43 Once the Wi-Fi connection is successful, click the Energy-Mate APP installed in the phone to enter the login page.  Then, click the “Toolbox” and choose “Wi-Fi Config” to enter the Wi-Fi configuration page.
  • Page 44 After entering the Wi-Fi configuration page, please note that the connected Wi-Fi name must be the same as  your Wi-Fi module PN number, and the status must be connected. If not, please return to the login page, connect your smart phone to the Wi-Fi module, and re-enter the Wi-Fi configuration page. The Wi-Fi module connection is successfully The Wi-Fi module connection failed You can proceed to the next step to configure the...
  • Page 45 Click “Connect settings” to manually enter the router name or click to choose the router name. Then, enter the  router password and click the "Setting" to complete the setting. The Wi-Fi module only could connect the router at 2.4GHz.
  • Page 46 Click to return to the Wi-Fi configuration page. Click “Connect diagnosis” to check the connection status.  The configuration is successfully The configuration failed Green lines between device, datalogger, router, and Red crosses between device, datalogger, router, and server. server. Please refer to APP instructions to re-configure.

  • Page 47: Bluetooth Configuration

    After Wi-Fi configuration, please forget the Wi-Fi module of the Wi-Fi connection on the smartphone to avoid  automatic connection and unable to access the network. The login page will prompt “Server not found”. Bluetooth Configuration If you have configured the network through Wi-Fi, please skip this section. Turn on the unit.
  • Page 48 Connect your smart phone to the Wi-Fi module through Bluetooth.  Manually enter the router name or click to choose the router name, enter the router password, and then click  the "Setting" to complete the setting. The Wi-Fi module only could connect the router at 2.4GHz.
  • Page 49 ” Click “Network diagnosis to check the connection status. ...
  • Page 50 The configuration is successfully The configuration failed Green lines between device, datalogger, router, and Red crosses between device, datalogger, router, and server. server. Please refer to APP instructions to reconfigure. After Bluetooth configuration, please disconnect the Wi-Fi module of the Bluetooth connection on the smartphone ...

  • Page 51: Registration And Login

    2-3 Registration and login Connect your smart phone to the router.  Registration at first time.  Click the “Register” to enter registration page and fill in the information. Once registration is complete, click “Sign  in" or click to return to the home page. Then, enter the registered username and password to log in. 2-4 Datalogger After login, the default Home page will appear.
  • Page 52 2-5 Device Choose Device page to see the inverter list.  Gray icon means inverter is offline.  Green icon means inverter is online and no warnings and faults.  Yellow icon means inverter is online and has a warning. ...
  • Page 53 Click to enter setting parameters page. The setting items on the parameter page will be different based on  different models.
  • Page 54 Click “Real Time” to see the inverter real-time data. Click “parameter settings” to choose data you want to see on  the real time page. You can choose up to 10 data. Click “Statistics” to see the inverter solar power per hour, day, month and year. ...
  • Page 55 Click “Analysis” to see the inverter data per hour. Click “SelectedXTerm” to choose the data you want to compare.  You can choose up to 2 different units such as energy (kWh) and current (A).
  • Page 56 Click “Details” to see the inverter history.  Click “Alarm” to see the inverter warning and fault. ...
  • Page 57 2-6 Alarm Choose Alarm page to see the warning and fault list of all inverters.  2-7 Me Choose Me page to see account information and app version.  Click “Username” to modify nick name and password, and check if the mail has been bound. If the mail is bound, ...
  • Page 58 If the mail is not bound, please bind it as soon as possible. If you forget your username, please contact your installer. ...
  • Page 59 Mail is bound. Mail is not bound. Click to check the app is the latest version. ...

  • Page 60: Appendix Iii: The Ct Operation Guide

    Appendix III: The CT Operation Guide With the CT connected, the solar inverter can be easily integrated into the existing household system. The CT can be used to control power generation and the battery charging of the inverter. Single commissioning Step 1.
  • Page 61 Step 2: Turn on each inverter. Step 3: Enter LCD setting on the inverter with CT sensor connected and set CT function to “enabled”. Three-phase commissioning Step 1. Power off the inverters and connect the CT sensor according to the wiring diagram below.

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