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SolaX Power Network Technology (Zhejiang) Co., Ltd.
ADD.: No. 278, Shizhu Road, Chengnan Sub-district, Tonglu
County, Hangzhou, Zhejiang, China
E-mail: info@solaxpower.com
www.solaxpower.com
Copyright © SolaX Power Network Technology (Zhejiang) Co., Ltd. All rights reserved.
Installation and Operation Manual
320101037809
A1-HYBRID G2 /
A1-AC G2
3.8 kW / 5.0 kW / 6.0 kW / 7.6 kW
Version 09.0
www.solaxpower.com
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Summary of Contents for SolaX Power A1-HYBRID G2 Series
- Page 1 SolaX Power Network Technology (Zhejiang) Co., Ltd. 3.8 kW / 5.0 kW / 6.0 kW / 7.6 kW ADD.: No. 278, Shizhu Road, Chengnan Sub-district, Tonglu Installation and Operation Manual County, Hangzhou, Zhejiang, China E-mail: info@solaxpower.com www.solaxpower.com Version 09.0 Copyright © SolaX Power Network Technology (Zhejiang) Co., Ltd. All rights reserved. 320101037809 www.solaxpower.com...
- Page 2 Change History CHANGE HISTORY Changes between document versions are cumulative. The latest version contains all updates made in previous versions. Version 09 (Mar. 20, 2024) Modified E-Stop EPO to Emergency stop (retain the E-Stop notation in TROUBLESHOOTING); Modified the grounding section instructions. Corrected the color of 8-pin terminal.
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Page 3: Table Of Contents
Change History Contents CONTENTS Version 02 (Aug. 02, 2022) Modified machine diagram and indicators Deleted 2030.5, etc. Note on This Manual......................Version 01 (May 25, 2022) Scope of Validity....................Modified installation methods, indicators, and faults Target Group......................Version 00 (Oct. 22, 2021) Symbols Used...................... -
Page 4: Note On This Manual
Contents Notes on this Manual 1 Note on this Manual Inverter Operation Method.................. Check Before Turn On the System............1.1 Scope of Validity Turn On the System..................Shut Down the System................This manual is an integral part of the A1-HYB-G2 series / A1-AC-G2 series / Definition of Indicator Light and Button..........62 A1-SMT-G2 series inverter. -
Page 5: Safety
Notes on this Manual Safety 2 Safety WARNING! These servicing instructions are for the use by qualified personnel only. To reduce the risk of electric shock, do not perform any 2.1 General Safety Instructions servicing other than that specified in the operating instructions This manual contains important instructions for A1-HYB-G2 series inverter unless you are qualified to do so. - Page 6 Safety Safety WARNING! WARNING! When handling battery, adhere to all manufacturer safety instructions! Keep away from flammable and explosive materials to avoid fire. Do not install or store the system in a corrosive environment where it may be exposed to ammonia, corrosive gases, acids, or salts (e.g.: WARNING! chemical plant, fertilizer storage areas, tanneries, near volcanic ash Only accessories shipped with the inverter are recommended for use.
- Page 7 Safety Safety Lightning and surge protection ► CAUTION! A1-HYB-G2 series inverter is designed and certified to meet stringent UL1741 / IEEE When accessing the internal circuit of the inverter, it is very important 1547 and ANSI / IEEE 62.41 / 62.42 lighting and surge requirements. to wait 5 minutes before operating the power circuit or demounting However, every PV installation is unique.
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Page 8: Explanation Of Symbols
Safety Introduction 2. Explanation of Symbols 3 Introduction This section gives an explanation of all the symbols shown on the inverter and on the label. 3.1 System Indicator lights on the Inverter ► A1-HYB-G2 series inverter is transformerless type without galvanic isolation. It is Symbol Explanation designed and certified to fulfill the directives of ANSI/NFPA 70, NEC 690.41, UL 1741,... -
Page 9: Introduction
Introduction Introduction System overview of A1-HYB-G2 System overview of A1-AC-G2 SolaX Cloud Generator SolaX Cloud Generator Sub panel Load Main panel Meter A1-AC-G2 Inverter Main panel Load and battery A1-HYB-G2 Inverter and battery Existing Solar System Meter Utility Grid DC Power DC Power AC Power AC Power... -
Page 10: Work Modes
Introduction Introduction 3.2 Work Modes Work mode: Feed-in priority A1-HYB-G2 series inverter provides multiple work modes based on different The Feed-in priority mode is suitable for areas requirements. Some basic work modes of A1-HYB-G2 are shown below. with high feed-in tariffs, but has feed-in power Contact us for additional or more complex application requirements. -
Page 11: Dimensions
Introduction Introduction 3.3 Dimensions Work mode: Time of Use mode The Time of Use mode applies to areas that have different electricity prices depending on the day, time and season. Priority: load > battery > grid (when discharging) Priority: battery > load > grid (when charging) The power generated from PV will be used to supply the local loads first, then proceed to charge the battery bank. -
Page 12: External Terminals Of Inverter
Introduction Introduction 3.5 External Terminals of an Inverter 3.6 Internal Terminals in Wiring Box Right side view Front view Item Description AC terminals Item Description Grounding bar BAT+ PV terminals AC connection MLPE terminal Inverter communication connection COMM in terminal DC switch COMM out terminal PV connection... -
Page 13: Technical Data
Nominal AC Frequency 50/60 Hz AC Output Power Factor 0.8 Leading- 0.8 Lagging DC disconnection switch BATTERY SolaX Power Network Technology (Zhejiang) CO., LTD. ADD:No.288 Shizhu Road,Tonglu Economic Development Zone, AFCI Battery Type Li-ion Dongxing District,Tonglu City, Zhejiang Province, China. -
Page 14: Battery Input/Output
Technical Data Mechanical Installation 5. Mechanical Installation Model A1-HYB-3.8K-G2 A1-HYB-5.0K-G2 A1-HYB-6.0K-G2 A1-HYB-7.6K-G2 Topology Transformerless 5.1 Installation Precaution Communication Rs485, CAN, WiFi (optional) / 4G (optional) Revenue Grade Data, ANSIC12.20 Optional WARNING! Warranty [Years] Read all of these instructions, cautions, and warnings for the A1- 4.4 Battery Input/Output HYB-G2 series inverter. -
Page 15: Mechanical Installation
Mechanical Installation Mechanical Installation 5.2.1 Installation Environment Required 5.2.3 Installation Angle Required The installation position shall be well ventilated. Install the inverter at a maximum back tilt of 5 degrees and avoid forward tilted, Make sure the installation site meets the following conditions: excessive backward tilted, side tilted or upside down. -
Page 16: Check For Transport Damages
Mechanical Installation Mechanical Installation 5.4 Tools Preparation For multi-inverter installation, please reserve the space of 19.68 in. (500 mm) at least between each left and right inverter and at least 19.68 in. (500 mm) space Installation tools include but are not limited to the following recommended ones. If from the ceiling and 51.18 in. -
Page 17: Packing Lists
Mechanical Installation Mechanical Installation 5.5 Packing Lists Item Name Quantity Description Open the package, fetch out the product and check the accessories. 1 pc Inverter Product 1 pc Mental cover Protect the inverter 1 pc Support the inverter Bracket 8-pin female terminal block Additional 8-pin female terminal block 1 pc with terminating resistor... -
Page 18: Installation Steps
Mechanical Installation Mechanical Installation 5.6 Installation Steps Scheme B: Studs at regular intervals (spaced at 16 and 32 inch): 5.6.1 Overview of Bracket and Schemes Punch the holes (WB-32)X4+(WB-C)X2+(WB-32-E)X2 Introduction of wall bracket Ø 32 in/812.80 mm 28 in/711.20 mm 24 in/609.60 mm 20 in/508.00 mm 8 in/207.20 mm... - Page 19 Mechanical Installation Mechanical Installation 5.6.2 Mounting Steps b) Use the bracket as the template to mark the screw hole location on the wall. NOTE! The mounting steps in the followings will take mounting on the wooden wall spaced at 32 inch as an example. NOTE! Before mounting the inverter, the mechanical installation of the whole battery must be completed.
- Page 20 Mechanical Installation Mechanical Installation c) Insert the expansion tube(Part I) into the hole and use rubber hammer to Step 2: Hang and fix the inverter on the bracket knock the expansion tube into the wall. (This step is not required in case of a) Place the inverter to be seated on the corresponding position of the wooden wall.) bracket.
- Page 21 Mechanical Installation Mechanical Installation Open the wiring box cover to complete all the wiring connection. Wiring box Inverter Dowel pins For detailed wiring connection, please refer to “6. Electrical Connection”. Pins holes (Page 36-60) c) Pre-mount the fixing plate on the two sides of metal cover and mount the metal cover on the inverter.
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Page 22: Electrical Connection
Mechanical Installation Electrical Connection 6 Electrical Connection WARNING! Damage to the inverter due to electrostatic discharge Touching electronic components will cause damage to or WARNING! destroy the inverter through electrostatic discharge. Read all of these instructions, cautions, and warnings for the A1- Ground yourself before touching any component. - Page 23 Electrical Connection Electrical Connection Required wire size and torques Inverter communication terminal (Purchased by customer) Ÿ Port Pin Type Cross-sectional Area Range Terminals Pin 1: RS485_METER_A CAT5 or better Pin 2: RS485_METER_B Pin 3: GND 24-18 AWG Pin 4: +12V_RELAY_OUT AUX terminal Pin 5: DRM0 Pin 6: +12V_COM...
- Page 24 Electrical Connection Electrical Connection Opening the wiring box cover Ÿ WARNING! Before inverter wiring connection, Make sure no live voltages are present on PV input and AC output circuits, and make sure that the DC switch is in “OFF” position, meanwhile, the breaker of battery is in OFF position.
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Page 25: Power Connection
Electrical Connection Electrical Connection 6.2 Power Connection General steps of connecting electrical wirings to terminals Ÿ 6.2.1 PV Connection Step 1: Choose the appropriate wire according to the specific connection. CAUTION! Step 2: Remove 0.47 in / 12 mm of insulation from the end of DC wire and the AC Never reverse the polarity of the array string cables as it can wire. - Page 26 Electrical Connection Electrical Connection 6.2.2 Grid Connection NOTE! The PV connection mode below is NOT allowed! CAUTION! The installer is responsible for providing overcurrent protection. To reduce the risk of fire, only connect to a circuit provided with overcurrent protection in accordance with the National Electrical Code, ANSI/NFPA 70.
- Page 27 Electrical Connection Electrical Connection 6.2.3 Battery Connection CAUTION! Never reverse the polarity of the battery cables as this will result in inverter damage. Always ensure correct polarity. Charging and Discharging system of A1-HYB-G2 series inverter is designed for high-voltage lithium-ion battery. As a Lithium-ion battery will be connected with HYB series inverter, the battery communication should be compatible with A1-HYB-G2 series inverter and the BMS must be connected between inverter and battery.
- Page 28 Electrical Connection Electrical Connection Inverter On the side of inverter Battery BAT+ BAT- POWER On the side of battery A: BAT+ B: Communication connection C: BAT- 1 The BAT+ (red) , communication cable and BAT- (black) cables have been already connected on the inverter’s side. Only connecting the other end of the cables to the corresponding port of BMS is needed.
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Page 29: Ground Connection
Electrical Connection Electrical Connection 6.3 Ground Connection For the specific requirement of power cable, please refer to section 6.1 “Overview Please additionally earth the inverter to the enclosure of a second earthing of All Electrical Wiring Methods”. or equipotential bonding if it is required by local safety. This prevents electric shock if the original protective conductor fails. -
Page 30: Communication Connection
Electrical Connection Electrical Connection Multi-inverter 6.4 Communication Connection All communication cables will be done on the communication board which is in the wiring box. For the specific requirement of communication cable, please refer to section 6.1 “Overview Of All Electrical Wiring Methods”. 6.4.1 Make Communication Connection to Another Inverter/BI Inverter Inverter... - Page 31 Electrical Connection Electrical Connection Connection steps of terminating resistor Communication connection between inverter and BI: Ÿ Pin 3-Pin 6: Select the CAT5 or better (24-18AWG), use diagonal plier to cut off Step 1: The 120-Ohm resistor has been pre-installed on the 8-pin female four wires and leave four wires for connection.
- Page 32 Electrical Connection Electrical Connection Diagram for communication connection steps between inverters Diagram for communication connection steps between inverter and BI Step 1 Step 2 Step 1 Step 2 Strip Length Strip Length 0.24 in / 6 mm 0.24 in / 6 mm 24-18 AWG Conduit 24-18 AWG...
- Page 33 Electrical Connection Electrical Connection 6.4.2 Emergency Stop Connection 6.4.6 Parallel Connection A1-HYB-G2 series same-power inverters support up to 4 parallel connection, Generally, Emergency stop is connected with backup interface to simultaneously Unified EMS management function by the primary machine. The primary and command the whole system to become idle and enter a safe mode.
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Page 34: Turn On The System
Electrical Connection Operation APP Setting 7 Inverter Operation Procedures Scan the QR code to download SolaXCloud App. Create a new account and 7.1 Check Below Steps before Turn on the System follow the tutorial on the SolaXCloud APP or the App guide at https://www.solaxcloud.com/ to set the WiFi configuration. -
Page 35: Shut Down The System
Operation Operation Operation LED (Free / Secondary) NOTE! If the left indicator do not turn green please check the below points: Green when the inverter is in normal status or in backup status. All the connections are correct. All the external breakers are switched on. Flashing green (1s on, 1s off) when the inverter is in waiting or The DC switch on the inverter is in the “ON”... -
Page 36: Firmware Upgrading
Firmware Upgrading Firmware Upgrading 8 Firmware Upgrading WARNING! The inverter firmware can be upgraded via a U-disk. Make sure the directory is in strict accordance with the above form! Do not modify the program file name, or it may cause the inverter to 8.1 Preparation stop running! Ensure the inverter is powered on. -
Page 37: Troubleshooting
Troubleshooting Troubleshooting 9 Troubleshooting Faults Diagnosis and solution This section contains information and procedures for solving possible File Upgrade Fault problems with A1-HYB-G2 inverters, and provides you with troubleshooting Update File Fail Check if the file and the folder are correct Ÿ... - Page 38 Troubleshooting Troubleshooting Diagnosis and solution Faults Diagnosis and solution Faults Inverter EEPROM Fault Gird Frequency or Voltage Sample Fault Sample Fault InvEEPROMFault Please contact SolaX Technical Support Ÿ Please contact SolaX Technical Support Ÿ Internal Communication Fault Inter Com Fault Battery Power Low in EPS Mode Check the connection between inverter and BI connects Ÿ...
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Page 39: Maintenance
Troubleshooting Maintenance 10 Maintenance Diagnosis and solution Faults Inverters do not need any maintenance or correction in most condition, but if the Battery Charge and Discharge Over Current Fault or PV Over Current Fault inverter often loses power due to overheating, the cooling fans on the rear of SW OCP Fault or Inverter Over Current house may be covered by dirt. -
Page 40: Decommissioning
Decommissioning Disclaimer 11 Decommissioning 12 Disclaimer 11.1 Remove the Inverter The inverters shall be transported, used and operated under restricted conditions. SolaX will not provide any service, technical support or compensation in case of 1. Disconnect the inverter from DC Input, AC output, BI and battery. the following circumstances, including but not limited to: 2. -
Page 41: Appendix A: Emergency Stop Connection Steps
Appendix A: Emergency Stop Connection Steps Appendix B: Meter Y Connection Diagram Appendix A: Emergency Stop Connection Steps Appendix B: Meter Y Connection Diagram For installing Emergency stop on the inverter, follow the below installation instructions. Step 1: Remove the factory-installed jumper from Pin 7 and 8 of the 8- position “AUX”... - Page 42 Appendix C: System Wiring Diagram Appendix C: System Wiring Diagram Appendix C: System Wiring Diagram 2 Partial home backup solution (Parallel operation) -with meter 1 Whole home backup solution (Parallel operation)-with standalone meter Signal BATTERY Signal BATTERY LEGEND LEGEND LEGEND LEGEND LEGEND LEGEND...
- Page 43 Appendix C: System Wiring Diagram Appendix C: System Wiring Diagram 3 Whole home backup solution-with standalone meter 4 Partial home backup solution -with meter load center Signal BATTERY Signal BATTERY LEGEND LEGEND LEGEND LEGEND LEGEND LEGEND LEGEND LEGEND GEN Cable HOT L1 Positive GEN Cable...
- Page 44 Appendix C: System Wiring Diagram Appendix C: System Wiring Diagram 5 Partial home backup solution 6 Partial home backup solution-with meter load center & microgrid system Signal BATTERY Signal BATTERY LEGEND LEGEND LEGEND LEGEND LEGEND LEGEND LEGEND LEGEND GEN Cable HOT L1 Positive GEN Cable...
- Page 45 Appendix C: System Wiring Diagram Warranty Registration 7 Partial backup solution & microgrid system Form For Customer (Compulsory) Country Name Phone Number Email Address Zip Code State Product Serial Number Date of Commissioning Installation Company Name Installer Name Electrician License No. For Installer Module ( If Any ) Module Brand...
- Page 46 PLEASE REGISTER THE WARRANTY IMMEDIATELY AFTER INSTALLATION! GET YOUR WARRANTY CERTIFICATE FROM SOLAX! KEEP YOUR INVERTER ONLINE & WIN SOLAX POINTS! Open your Wait for the camera app camera to and point recognize your device the QR code at the QR code Notification Click the notification banner...
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