Page 1 INSTALLATION, OPERATION & MAINTENANCE MANUAL OF SMILE - G3 - T4 / T5 / T6 / T8 / T10...
Page 2: Disclaimer
DISCLAIMER DISCLAIMER Copyright © Alpha ESS Co., Ltd. 2024. All rights reserved. No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Alpha ESS Co., Ltd. The material furnished in this document is believed to be accurate and reliable. The information and recommendations in this document do not constitute commitments or warranties in the form of assignments.
Page 3: Copyright Statement
COPYRIGHT STATEMENT COPYRIGHT STATEMENT This manual is under the copyright of Alpha ESS Co., Ltd. with all rights reserved. Please retain this manual and operate the Product in accordance with all safety and operating instructions in this manual. Please do not operate the product before reading through the...
Page 4: Table Of Contents
TABLE OF CONTENTS TABLE OF CONTENTS DISCLAIMER ..........................1 COPYRIGHT STATEMENT....................... 2 TABLE OF CONTENTS ......................3 1. Introduction ........................7 1.1. Content and Structure of this Document..............7 1.2. Target Group ....................... 7 1.3. Levels of Warning Messages ..................8 1.4.
Page 5 TABLE OF CONTENTS 3.4.1. DC-Coupled Energy Storage System ......................28 3.4.2. AC-Coupled Energy Storage System ......................28 3.4.3. Hybrid-Coupled Energy Storage System ....................29 3.4.4. Off-Grid Energy Storage System ........................29 4. Storage and Transport ....................30 4.1. Storage ........................30 4.1.1.
Page 6 TABLE OF CONTENTS 6.3.2. Selecting Suitable AC Circuit Breaker ......................63 6.3.3. Grid and Backup Connection ........................64 6.3.4. Disassembling Grid and Backup Connectors ..................66 6.3.5. Meter Connection .............................. 67 6.4. PV Connection ......................72 6.5. Electrical Connection between the Inverter and Battery ........74 6.5.1.
Page 7 TABLE OF CONTENTS 9. Maintenance and Troubleshooting ................119 9.1. Routine Maintenance .................... 119 9.2. Troubleshooting ....................120 9.2.1. Common Errors ..............................120 9.2.2. Battery Protection Description for SMILE-G3-BAT-8.2P ..............128 9.2.3. Battery Protection Description for Series Battery ................129 9.2.4.
Page 8: Introduction
1.1. Content and Structure of this Document This document is valid for SMILE-G3 three-phase energy storage system, which includes inverter SMILE-G3-T4/T5/T6/T8/T10-INV and battery SMILE-G3-BAT-8.2P, SMILE-G3-BAT- 3.6S/3.8S/4.0S. SMILE-G3-BAT-3.6S is only for the Greek market. This document describes the mounting, installation, commissioning, configuration, operation, troubleshooting and decommissioning of the energy storage system as well as the operation of the user interface.
Page 9: Levels Of Warning Messages
Introduction 1.3. Levels of Warning Messages The following levels of warning messages may occur when handling the product. DANGER indicates a hazardous situation that will result in serious injury or even death if not avoided. WARNING indicates a hazardous situation that could result in serious injury or even death if not avoided.
Page 10: Definition Of Abbreviations And Nouns
Introduction 1.4. Definition of Abbreviations and Nouns alternating current application auxiliary battery battery management system direct current energy management system inverter photovoltaic the State of Charge...
Page 11: Safety
SMILE -G3-BAT-8.2P and SMILE -G3-BAT-3.8S are only suitable for indoor installation. The SMILE-G3-T4/T5/T6/T8/T10-INV must only be operated with PV arrays of protection class II in accordance with IEC 61730, application class A. The PV modules must be compatible with this product.
Page 12: Safety Instructions For Battery
Safety 2.2. Safety Instructions for Battery 2.2.1. General Safety Precautions Before installing any part of the SMILE-G3, please read the Installation Manual • completely. If additional hardware is being installed at the same time as the SMILE-G3 unit (e.g. a Backup device or a separate AC-coupled PV system), please read the Installation Manual for each component/system before commencing installation of any hardware.
Page 13: Important Safety Instructions
Safety 2. If the battery is not on fire yet, extinguish the fire before the battery catches fire. 3. If the battery is on fire, do not try to extinguish it but evacuate people immediately. There may be a possible explosion when batteries are heated above 150° C. The battery leaks poisonous gases when it is burning.
Page 14 Safety Danger to life due to electric shock if touching live components or DC cables when working on the battery The DC cables connected to the battery may be live. Touching live DC cables can result in serious injury or even death due to electric shock. To avoid this danger: •...
Page 15 Safety Danger to life due to dangerous voltages on the battery. There is dangerous voltage at the terminal of the battery power cable. Touching the terminal of the battery power cable can result in a lethal electric shock. To avoid this danger: •...
Page 16 Safety Risk of burns from the inverter’s hot surface The surface of the inverter can get extremely hot during operation, and touching it can result in burns. To avoid this danger: • Correctly mount the inverter so that it cannot be inadvertently touched. •...
Page 17: Symbols Explanation
Safety 2.4. Symbols Explanation Symbols on the type label of the energy storage inverter: Symbol Explanation Beware of a danger zone This symbol indicates that the product must be additionally grounded if additional grounding or equipotential bonding is required at the installation site.
Page 18 Safety Symbols on the type label and warning label of the battery: Symbol Explanation Beware of a danger zone This symbol indicates that the battery must be additionally grounded if additional grounding or equipotential bonding is required at the installation site. Beware of electrical voltage The product operates at high voltages.
Page 19 Safety CE marking The product complies with the requirements of the applicable EU directives. RCM (Regulatory Compliance Mark) The product complies with the requirements of the applicable Australian standards. UKCA marking The product complies with the regulations of the applicable laws of England, Wales and Scotland.
Page 20: Product Introduction And Application Scenarios
Product Introduction and Application Scenarios 3. Product Introduction and Application Scenarios 3.1. Naming Convention SMILE-G3-T10 Location Name Explanation SMILE Residential energy storage system 3rd Generation of SMILE series 4 kW Inverter with Solar Connections – Three-phase Hybrid energy storage system 5 kW Inverter with Solar Connections –...
Page 21 Product Introduction and Application Scenarios Complete Designation Designation in This Document SMILE-G3-T4-INV SMILE-G3-T5-INV Energy storage inverter SMILE-G3-T6-INV SMILE-G3-T8-INV SMILE-G3-T10-INV SMILE-G3-BAT-8.2P Parallel battery SMILE-G3-BAT-3.6S Series battery SMILE-G3-BAT-3.8S SMILE-G3-BAT-4.0S SMILE-G3-T4 SMILE-G3-T5 System/Energy storage system/BESS SMILE-G3-T6 SMILE-G3-T8 SMILE-G3-T10...
Page 22: System Introduction
Object Name Explanation Covers for the left wiring area (There are two types of covers, one for the Battery Module(s) Cable Cover wiring and a second for the Inverter connections.) SMILE-G3-T4-INV SMILE-G3-T5-INV Energy storage inverter SMILE-G3-T6-INV SMILE-G3-T8-INV SMILE-G3-T10-INV SMILE-G3-BAT-8.2P SMILE-G3-BAT-3.6S Battery SMILE-G3-BAT-3.8S...
Page 23: Product Description
Product Introduction and Application Scenarios 3.3. Product Description 3.3.1. Inverter Electrical Interface & Connections Introduction Position Designation Backup Connector Grid Connector (AC Supply) Grounding Point PV Switch* Positive and Negative PV Connectors, PV1/ PV2, PV3 Battery Positive Connector Battery Negative Connector Battery Circuit Breaker* Communication Ports (BMS, RS485, Meter, DRM**&RRCR, LAN, AUX1, AUX2), Refer to Chapter 6.6...
Page 24: Inverter Display Interface Introduction
Product Introduction and Application Scenarios 3.3.2. Inverter Display Interface Introduction LED Display These LED indicators provide information about the operation status of the energy storage system. Status Explanation Status Explanation White light White light The system works normally The battery works normally Red light No light The system is in fault...
Page 25: Battery Display Interface Introduction
Product Introduction and Application Scenarios The lower five LED indicators provide information about the State of Charge (SOC) of the batteries connected to this energy storage system. LED Indicator Description SOC＜5% 5%≤SOC＜20% 20%≤SOC＜40% LEDs show the SOC of batteries 40%≤SOC＜60% 60%≤SOC＜80% 80%≤SOC≤100% Note that the LED lights provide an approximation of the State of Charge and should be...
Page 26: Battery Introduction Of Smile-G3-Bat-8.2P
Product Introduction and Application Scenarios 3.3.4. Battery Introduction of SMILE-G3-BAT-8.2P Battery appearance and dimensions Connection area overview Position Designation Battery Power Button Battery Circuit Breaker Battery Negative Cable Connector Battery Positive Cable Connector BMS COM1 BMS COM2 (with Terminal Resistor) Grounding Point Battery LED Display...
Page 27: Battery Introduction Of Smile-G3-Bat-3.6S/4.0S
Product Introduction and Application Scenarios 3.3.5. Battery Introduction of SMILE-G3-BAT-3.6S/4.0S Battery appearance and dimensions Connection area overview Position Designation Battery Positive Cable Connector Grounding Point Battery Negative Cable Connector BMS COM1 Pressure Relief Valve BMS COM2 (with Terminal Resistor) Battery Circuit Breaker LED Display...
Page 28: Battery Introduction Of Smile-G3-Bat-3.8S
Product Introduction and Application Scenarios 3.3.6. Battery Introduction of SMILE-G3-BAT-3.8S Battery appearance and dimensions Connection area overview Position Designation Battery Positive Cable Connector Grounding Point Battery Negative Cable Connector Battery Circuit Breaker BMS COM1 BMS COM2 (with Terminal Resistor) Battery LED Display...
Page 29: Application Scenarios
Product Introduction and Application Scenarios 3.4. Application Scenarios SMILE-G3 three phase system (includes inverter SMILE-G3-T4/T5/T6/T8/T10-INV, battery SMILE-G3-BAT-8.2P and SMILE-G3-BAT-3.6S/3.8S/4.0S) can be connected as a DC-Coupled systems (mostly new installation), AC-Coupled systems (mostly retroﬁt), Hybrid-Coupled systems (mostly retroﬁt, and increase the PV capacity), and Off-Grid (under development) systems as shown in the following diagrams: 3.4.1.
Page 30: Hybrid-Coupled Energy Storage System
Product Introduction and Application Scenarios 3.4.3. Hybrid-Coupled Energy Storage System Hybrid-Coupled Energy Storage System – Scheme 3.4.4. Off-Grid Energy Storage System Off-Grid Energy Storage System (with Diesel Generator) – Scheme NOTES: In all cases, Normal Loads and Essential Loads must be appropriately protected by earth fault protection devices (e.g.
Page 31: Storage And Transport
Storage and Transport 4. Storage and Transport 4.1. Storage 4.1.1. Inverter Storage The following requirements should be met if the inverter is not put into immediate use: 1. Do not unpack the inverter. 2. Keep the storage temperature at -40~60° C and the humidity at 5%~95% RH. 3.
Page 32: Transport
Storage and Transport 9. The warehouse keeper should collect battery storage information every month and report to the planning department. Batteries stored for more than 6 months should be assessed and charged periodically. 10. Capacity loss may occur if a lithium battery is stored for a long time. After a lithium battery is stored for 12 months in the recommended storage temperature, the irreversible capacity loss rate is 3%~10%.
Page 33: Mounting
Mounting 5. Mounting 5.1. Checking the Outer Packaging Before unpacking the product, check the outer packaging for damage, such as holes, signs of mechanical damage or water damage. If any damage is found, do not unpack the product and contact your dealer as soon as possible. 5.2.
Page 34 Brackets* (× 2) Cable (× 1) Cable (× 1) Batteries(× 1) * For ‘battery ready’ application, connection between the wall bracket of SMILE-G3-T4/T5/T6/T8/T10- INV and the first wall bracket of SMILE-G3-AT-3.6S&4.0S (Optional) Cables for Distanced Horizontal Battery Expansion of SMILE-G3-BAT-3.6S/3.8S/4.0S...
Page 35 Wall Gap Shim Back Support Stud for Countersunk Screw Quick Installation (× 1) Battery (× 1) M5*10 (× 18) Guide (× 1) * For connecting with SMILE-G3-T4/T5/T6/T8/T10-INV **For connecting with SMILE-G3-T12/T15/T20-INV, also suitable for connecting with battery SMILE-G3-BAT-8.2P expansion installation...
Page 36 Mounting SMILE-G3-BAT-3.6S/4.0S Battery Cable Top Beam of Wall Right Beam of Wall Battery (× 1) Cover (× 1) Bracket (× 1) Bracket (× 1) Left Beam of Wall Left Holder for Wall Right Holder for Grounding Bar Bracket (× 1) Bracket (×...
Page 37 Mounting Accessories for Battery Base of SMILE-G3-BAT-3.6S/3.8S/4.0S * Battery Base Top Wall Bracket Position Plate Right Connection (× 1) (× 1) (× 1) Plate* (× 4) Right Connection Hexagon Head Z-Shaped Right Hexagon Head Limit Block for Battery Screw M5*12 Connection Plate** Screw* M5*10 (×...
Page 38: Requirements For Mounting
• Do not mount the energy storage system in areas containing highly flammable materials or gases. • Do not mount the energy storage system in potentially explosive atmospheres. 5.3.1. Basic Requirements SMILE-G3-T4/T5/T6/T8/T10-INV and SMILE-G3-BAT-3.6S/4.0S are suitable for indoor • and outdoor installation. SMILE-G3-BAT-8.2P/3.8S are only suitable for indoor installation.
Page 39: Mounting Structure Requirements
Mounting 5.3.3. Mounting Structure Requirements The surface to which the batteries is to be mounted shall be fire-rated where required • by local regulations. Out of an abundance of caution, it is recommended that the system be mounted on • non-flammable building materials, even when not required by local regulations.
Page 40: Mounting Space Requirements
Mounting 5.3.5. Mounting Space Requirements Reserve sufficient space around the energy storage system to ensure sufficient space • for installation, maintenance and heat dissipation. The side clearance is a recommendation which can be adjusted according to the end • users’ requirements. In Australia, according to ASNZ5139-2019-4.2.2.2, the non-combustible material needs to be placed between the wall and the battery unit and must extend 600mm to the left and right of the battery and 900mm above it.
Page 41 Mounting Recommended clearances for series batteries SMILE-G3-BAT-3.6S/3.8S/4.0S. It's advisable to keep the series batteries at least 150mm off the ground to protect them from submergence. They should be mounted on a battery base or using a wall bracket. Local standards may add additional clearance requirements, particularly regarding clearances between the Battery System and other Electrical Appliances.
Page 42: Preparing Tools And Instruments
Mounting 5.4. Preparing Tools and Instruments Category Tools and Instruments Hammer drill Socket wrench Multimeter (DC voltage range ≥ (with a Ф10 mm drill SW8&SW10 1000 V DC) bit) T20/PH2 screwdriver (torque Diagonal pliers Wire stripper range: 0~5 Nm), L=150mm Rubber mallet Utility knife Cable cutter...
Page 43: Mounting The System
Mounting 5.5. Mounting the System 5.5.1. Mounting the Parallel Battery Mounting steps for battery SMILE-G3-BAT-8.2P, please follow the below steps. a. Remove the battery from the carton and transport it to the installation site with a trolley or other manual handling aid capable of safely moving the product weight. Secure the product during any movement or transport.
Page 44 Mounting The first Battery Stacking Installation...
Page 45: Mounting The Series Battery
Mounting Battery Stacking Installation 5.5.2. Mounting the Series Battery 5.5.2.1 Wall Bracket Installation for one Battery Installation Wall bracket installation for one battery installation, please follow the below steps. a. Take out the top, left and right beams of the wall bracket from the package and assemble them with M5 nuts (tool: Socket wrench SW8, torque: 2.5Nm).
Page 46 Mounting g. Secure the battery to the wall bracket and tighten them with two M5*12 screws (tool: T20 screwdriver, torque: 2.5Nm). * This recommended value “440mm” is for wall bracket location of the bottom battery. Depending on the number of expansion batteries mounted later, meanwhile it is advisable to have a minimum of 150~200mm off the ground to protect the system from submergence.
Page 47 Mounting...
Page 48 Mounting 5.5.2.2 Wall Bracket Installation for Multiple Batteries Installation When mounting multiple series batteries with wall brackets for the first time, please follow the below steps. a. Take out the top, left and right beams of the wall bracket from the package, and assemble them with M5 nuts (tool: Socket wrench SW8, torque: 2.5Nm).
Page 49 Mounting...
Page 50 Mounting 5.5.2.3 Wall Bracket Installation for Batteries Expansion Installation For additional batteries installation (from bottom to top), the expansion batteries should be mounted below existing batteries, please follow the below steps. a. Take out the top, left and right beams of the wall bracket from the package, and assemble them with M5 nuts (tool: Socket wrench SW8, torque: 2.5Nm).
Page 51 Mounting 5.5.2.4 Base Installation for Several Series Batteries Installation When mounting multiple series batteries SMILE-G3-BAT-3.8S with base installation for the first time, please follow the below steps. a. Take out the battery base and tighten two hexagon head limit screws M5*12 to the designated location of the battery base’s top (tool: T20 screwdriver, torque: 2.5Nm).
Page 52 Mounting l. After removing the plastic bag, tighten the top wall bracket to the top of the battery (tool: T20 screwdriver, torque: 2.5Nm). m. Secure the top wall bracket to the wall with the provided screws (tool: Socket wrench SW8, torque: 6Nm).
Page 53 Mounting...
Page 54 Mounting For batteries base installation, there was a tiny difference in stacking positioning materials between these series batteries. For SMILE-G3-BAT-3.6S/4.0S, installers need to mount two limit blocks to the top of the batteries for stacking positioning of upper series battery. For SMILE-G3-BAT-3.8S, installers need to mount two hexagon head limit screws M5*10 to the top of the batteries for stacking positioning of upper series battery.
Page 55: Mounting The Energy Storage Inverter
Mounting 5.5.3. Mounting the Energy Storage Inverter Mount the energy storage inverter standing on the battery a. Take out the left support foot and right support foot from the inverter package. b. Mount the left support foot and right support foot onto the top of the upper battery. c.
Page 56 Mounting Mount the inverter with wall bracket for battery ready scenario. a. Take out the wall bracket of the energy storage inverter from the package. b. Select a suitable height to mount batteries below later. Please reserve enough height if you want to add more batteries later. Mark the four drilling positions of the wall bracket, and drill the marked hole with drill Φ10.
Page 57: Special Feature Only For Battery Smile-G3-Bat-3.6S/4.0S
Mounting 5.5.4. Special Feature Only for Battery SMILE-G3-BAT-3.6S/4.0S Wall-Mounted Battery Disassembling Risk of injury due to the weight of the battery Injuries may be caused if the product is lifted improperly or dropped while being transported or mounted. To avoid this danger: •...
Page 58 Mounting Battery Installation for Battery-Ready Application Battery Ready scenario is that end users initially only installed hybrid inverter as PV inverter but did not install batteries, later the users decide to install the batteries. At this section we will introduce how to mount the first series battery, please follow these steps. a.
Page 59: Mounting The Wi-Fi Module
Mounting 5.5.5. Mounting the Wi-Fi Module a. Remove the protective cover of Wi-Fi port at the left of the inverter. b. Tighten the Wi-Fi module onto the inverter with two M4*12 screws provided (Tool: T20 screwdriver, torque: 1.6Nm). DO NOT OVERTIGHTEN – do not damage the plastic housing of the Wi-Fi module.
Page 60: Electrical Connection
Electrical Connection 6. Electrical Connection Precautions Electric Shock Hazard - Before connecting cables, switch off all circuit breakers and switches connected to the inverter and batteries. • Damage to the energy storage system caused by incorrect cable connections is not covered under warranty.
Page 61: Cable Requirements For Connection
Electrical Connection 6.1. Cable Requirements for Connection Conductor Cross Outer Cable Type Source Section Area Range Diameter Standard PV cable PV Power Purchased by (recommended type: 5.5~ 9mm 4~6mm the installer cable H1Z2Z2-K) Standard network cable (recommended type: Purchased by 0.12~0.2mm Signal cable 4~6mm...
Page 62: Grounding Connection
Electrical Connection 6.2. Grounding Connection Electric Shock Hazard Before doing electrical connection, please ensure the PV switch & all AC and BAT circuit breakers in the energy storage system are switched OFF and cannot be accidentally or unintentionally reactivated. A grounding point is provided near the grid connector of the energy storage inverter. Take out M5 Y terminals, strip the grounding cable insulation, insert the stripped conductor into the ring terminal lug and crimp with a crimping tool.
Page 63: Ac Connection
Electrical Connection 6.3. AC Connection 6.3.1. Requirements for the AC Connection AC cable requirements as follows: ☐ Conductor type: copper conductor (tinned copper preferred). ☐ Grid cable current carrying capacity depends on the inverter model selected and max. full current from grid, example for 10kW inverter model, max. current: 21.7A. ☐...
Page 64: Selecting Suitable Ac Circuit Breaker
Supplier Datasheets detail temperature derating for their MCBs. Ensure the MCBs used are appropriate for the current and the operating temperature. Otherwise, the risk of the circuit breaker tripping will increase under normal operating conditions. AC connection recommendation for SMILE-G3-T4-INV Description Max. Current...
Page 65: Grid And Backup Connection
Electrical Connection 6.3.3. Grid and Backup Connection The steps for connecting the grid connector are as follows: 1. Disconnect the PV switch, grid, backup and battery circuit breaker and secure them to prevent reconnection. 2. Strip the AC cable outer insulation by 43 mm. 3.
Page 66 Electrical Connection Insert the backup plug connector into the backup connection socket for the backup connection until it audibly snaps into place. When doing so, align the backup plug connector so that the groove on the bush insert of the backup plug connector should point to the convex rib on the backup connection socket first, and then insert the backup plug connector to the backup connection socket.
Page 67: Disassembling Grid And Backup Connectors
Electrical Connection 6.3.4. Disassembling Grid and Backup Connectors Disassemble the grid plug connector (e.g. due to faulty assembly), proceed as follows. 1. Unplug the grid plug connector. Detailed steps: use a flat-blade screwdriver (blade width: 2.5 mm) to push the orange latch forwards to unlock the connector coupling structure, rotate the bush insert of the grid plug connector anticlockwise, then pull the grid plug connector apart from the grid connection socket.
Page 68: Meter Connection
Electrical Connection 6.3.5. Meter Connection Item Current Scenarios DTSU666-3*230V 5(80)A Three-phase meter (without CT) DTSU666-3*230V 100A/40mA 100A Three-phase meter (with CT) DTSU666-3*230V 250A/50mA 250A Three-phase meter (with CT) Loosen the strain relief nuts of the cable glands on the COM connection cover of inverter, and unscrew the 4 screws on the corners, then you will see meter communication ports.
Page 69 Electrical Connection 2. DTSU666-3*230V 100A/40mA, DTSU666-3*230V 250A/50mA: Three phase meter (with CT) connection Meter communication cable requirements: standard network cable (recommended type: Cat5e, SFTP, UV-resistant for outdoor use). The connections are marked clearly on the meter. Wiring location description of Chint three phase meter (with CT) Grid CT PV CT GRID...
Page 70 Electrical Connection 6.3.5.2 Meter Configuration Meter Setting on the Meter’s Display If connecting Chint DTSU666 meters without CTs, two meters are required if there is any AC-coupled PV inverter, one for the Grid Import/Export and one for the AC-coupled PV inverter measurements.
Page 71 Electrical Connection 2. Meter setting for type DTSU666-3*230V 100A/40mA and DTSU666-3*230V 250A/50mA, three-phase meter (with CT) The default address is 1. The installer doesn't need to make any other settings. If installer wants to have a check, please follow the steps below: Default Code Display...
Page 72 Electrical Connection The display order of parameters: Positive active energy L1-phase active power L2-phase active power Reverse active energy Three phase active power L3-phase active power Communication Protocol 1 L3-phase current Three phase power factor Communication Protocol 2 L2-phase current L1-phase power factor L1-phase voltage L1-phase current...
Page 73: Pv Connection
Electrical Connection 6.4. PV Connection Danger to life due to electric shock if live components or DC cables are touched The DC cables connected to a battery or a PV module may be live. Touching live DC cables can result in serious injury or even death due to electric shock. To avoid this danger: •...
Page 74 Electrical Connection Please ensure the follows before connecting PV strings to the inverter: Make sure the open voltage of the PV strings will not exceed the max. DC input ⚫ voltage (1000Vdc). Violating this condition will void the warranty. Make sure the polarity of the PV connectors is correct. ⚫...
Page 75: Electrical Connection Between The Inverter And Battery
Electrical Connection 6.5. Electrical Connection between the Inverter and Battery 6.5.1. Communication Connection between INV and BAT Communication cable connection between inverter and SMILE-G3-BAT-8.2P: a. Take out the battery communication cable from the battery packaging. b. Pass the battery communication cable (BMS cable) through the cable gland of the COM connection cover of energy storage inverter.
Page 76: System Connection Between Inv And Bat
Electrical Connection Communication cable connection between the energy storage inverter and series batteries: a. Pass the battery communication cable of the upper battery through the cable gland of the COM connection cover of inverter. Do not tighten the strain relief nuts of the cable gland.
Page 77 Electrical Connection Please pay attention to the cable type. There are five kinds of cables: Picture Description Red power cable: Connect BAT positive of parallel battery and the BAT positive of inverter Black power cable: Connect BAT negative of parallel battery and the BAT negative of inverter Red power cable: Connect BAT positive terminals of batteries Black power cable: Connect BAT negative terminals of batteries...
Page 78 Electrical Connection Press the buckle with a flat-head screwdriver (blade width: 2.5mm) when unscrewing the threaded sleeve of the battery power connector. Take out the sealing ring from the terminal. Unscrew the screw on the terminal used to connect the battery power cable. Pass the battery power+ cable through the threaded sleeve and the sealing ring, enter the terminal.
Page 79 Electrical Connection You can install up to 6 batteries in a system. Please install extra batteries by side. Batteries can be stacked up to two batteries per column. Remove the excess terminal resistor:...
Page 80 Electrical Connection Cables connection between the Inverter and series batteries of one column. Please pay attention to the cable type. There are 3 kinds of cables: Picture Description Grounding cable between inverter and first series battery: connect the grounding point of the upper battery of first column series batteries and the grounding point of the inverter The red power cable: Connect BAT main positive of series battery and the BAT positive of inverter...
Page 81 Electrical Connection d. Use the provided grounding cable to connect the grounding point of the inverter and the grounding point of the top battery. e. Take out the red power cable, connect BAT main positive of series batteries (directly below the inverter) to the BAT positive connector of inverter. f.
Page 82 Electrical Connection System wiring diagrams for inverter and series batteries are as follows:...
Page 83 Electrical Connection...
Page 84 Electrical Connection Cables connection between the Inverter and series batteries of two column. Cables for distanced horizontal series batteries expansion should be purchased additionally. Please pay attention to the cable type. There are three kinds of cables: Picture Description The main negative power cable (black) of the system (3m): Connect BAT main negative of series battery and the BAT negative of inverter The power cable between different column series battery (3m):...
Page 85 Electrical Connection...
Page 86: Disassembling Bat Connectors
Electrical Connection 6.5.3. Disassembling BAT Connectors To disassemble the BAT connectors (e.g. due to faulty installation), proceed as follows. Danger to life due to electric shock when touching exposed DC conductors or BAT plug contacts if the BAT connectors are damaged or loose The BAT connectors can break or become damaged, become free of the DC cables, or no longer be connected correctly if the BAT connectors are released and disconnected incorrectly.
Page 87: Communication Connection With Inverter
Electrical Connection 6.6. Communication Connection with Inverter For other communication (AUX2, AUX1, LAN, RRCR, DRM, Meter, RS485) connection, please follow the steps below. 1. Unscrew the 4 screws on the COM connection cover of the inverter, then loosen the strain relief nuts of the cable glands on the COM connection cover. 2.
Page 88 Electrical Connection In emergency situations, such as fire, the end user can manually press the EPO (Emergency Power Off) button to shut down the inverter and switch off the battery (except for the PV array). End users or installer should prepare the external EPO. AUX cable requirements: outdoor shielded copper cable (flexible);...
Page 89: Mount The Covers Of The Inverter And Battery
Electrical Connection 6.7. Mount the Covers of the Inverter and Battery After finishing electrical connection of energy storage system, please follow the steps below. Mount the cable cover of battery Mount the cable cover of battery SMILE-G3-BAT-8.2P a. Cut a cable hole based on the cabling routing and route the cables through the cable hole.
Page 90 Electrical Connection Mount the cable cover of the battery SMILE-G3-BAT-3.6S/4.0S a. Cut a cable hole based on the cabling routing and route the cables through the cable hole. b. Align the top surface of the cable cover to the top surface of the battery housing. c.
Page 91 Electrical Connection Mount the cable cover of the battery SMILE-G3-BAT-3.8S a. Cut a cable hole based on the cabling routing and route the cables through the cable hole. b. Tighten the two support studs for battery cable cover to the battery housing (tool: Socket wrench SW8, torque: 2.5Nm).
Page 92 Electrical Connection 2. Mount the covers of the energy storage inverter Attach the top cover to the inverter. Place the top cover on top of the inverter and slide it forward. The three side screws of the top cover should align to the inverter mounting threaded holes. Secure the top cover to the inverter (tool: T20 screwdriver, torque: 1.6Nm).
Page 93 Electrical Connection Disassemble the cable cover of the energy storage inverter a. Insert a screwdriver (blade width: 1.2 mm) into the gap between the cable covers of the inverter and the battery and pry the cable cover up lightly. b. Grasp the cable cover, then move it to the left.
Page 94 Electrical Connection Mount left cable cover and right cover of the inverter when inverter mounting with wall bracket, please follow the steps below. a. Take out the following material supplied from the wall bracket packaging: Support plate for left cable cover, hexagon head screw M5*12, pan head screw M4*10; Support stud for right cover, countersunk head screw M4*8;...
Page 95 Electrical Connection If there is a hole on the lower right of the right cover, please tighten the right cover to the inverter enclosure using T20 screw M4*8 (tool: T20 screwdriver, torque: 1.6Nm).
Page 96: Operation
Operation 7. Operation 7.1. Power On the System Before doing electrical connection, please ensure the PV switch & all AC and BAT circuit • breakers in the system are switched OFF and cannot be reactivated. Never power on the energy storage system without the correct and reliable installation •...
Page 97: Power Off The System
Operation 7.2. Power Off the System After the energy storage system is powered off, the remaining electricity and heat may still cause electric shocks and body burns. Please put on protective gloves and operate the product 5 minutes after the system is powered off. 1) Switch off the AC circuit breaker between the energy storage inverter and the backed- up loads.
Page 98: Commissioning
Commissioning 8. Commissioning 8.1. Checks Before Power-On Check Item Acceptance Criteria The installation environment is safe and the unit has adequate clearance as per the instruction in this manual as Installation/Mounting well as in compliance with local standards. The area environment around the installation should be free from clutter and should not be flood-prone.
Page 99: Power On The Product Before Commissioning
Commissioning 8.2. Power on the Product before Commissioning Before doing electrical connection, please ensure the PV switch & all AC and BAT circuit • breakers in the system are switched OFF and cannot be reactivated. Never power on the energy storage system without the correct and reliable installation •...
Page 100: Wi-Fi Module Configuration And Basic Parameters Settings
Commissioning 8.3. Wi-Fi Module Configuration and Basic Parameters Settings 8.3.1. Download and Install the App 1. Android device users can download the App through major Android App stores such as Google Play. 2. IOS device users can search for “AlphaESS” in the App Store and download the App. AlphaESS App 8.3.2.
Page 101 Commissioning Select the Wi-Fi Select the Wi-Fi Router Signal Module Signal ALXXXX This is default 12345678 Password (12345678) Enter Wi-Fi router password...
Page 102 Commissioning • The system will not be able to connect to the internet without either a physical LAN cable connection or configured Wi-Fi if the Wi-Fi module is used. • To ensure account security, change the password periodically and keep the new password in mind.
Page 103: Basic Parameters Settings
Commissioning 8.3.3. Basic Parameters Settings Meter Setting on AlphaCloud Step 1: When the system work mode is selected as “DC”, click the slider under the item “Grid Meter” to turn the “Meter” icon orange. When the system work mode is selected as “AC” or “Hybrid”, click the sliders under the items “Grid Meter”...
Page 104 Commissioning Step 2: Click "Submit" and enter the “System information” page to check the meter model. When the “Meter Model” displays DTSU666 model, the setting is successful. Do not modify the “CT” ratio.
Page 105 Commissioning Parameters Settings DC Mode Three mode options: DC/AC/Hybrid Storage PV capacity: PV installed capacity on the energy storage inverter side Storage PV Capacity 5 kW If the grid meter is installed, please select “Meter” for the grid side. If the meter with CT, please select “CT” below. If the meter without CT, please do not select “CT”...
Page 106 Commissioning AC Mode Three mode options: DC/AC/Hybrid PV installed capacity on the PV-inverter (on-grid) side If the grid meter is installed, please select “Meter” for the grid side. If the meter with CT, please select “CT” below. If the meter without CT, please do not select “CT” below. Please refer to the above steps to perform the setting of the PV inverter side.
Page 107 Commissioning Hybrid Mode Three mode options: DC/AC/Hybrid Hybrid PV installed capacity on the PV-inverter (on-grid) side Storage PV installed capacity: PV capacity on the energy storage inverter side Storage PV Capacity 5 kW If the grid meter is installed, please select “Meter” for the grid side. If the meter with CT, please select “CT”...
Page 108 Commissioning The safety standard field must be set correctly If you select a safety standard that is not valid for your country, region and purpose, it can cause a disturbance in the energy storage system and lead to problems with the Network Operator.
Page 109: Installing New System And Settings On The App
Commissioning 8.4. Installing New System and Settings on the App 8.4.1. Register as an Installer If you don’t have an installer account, please register first. Get the license No. from your distributor. If you already have an installer account, please log in directly.
Page 110: Overview Of Functions For Installer Account
Commissioning 8.4.2. Overview of Functions for Installer Account...
Page 111: Install New System On The App
Commissioning 8.4.3. Install New System on the App You can carry out “Install New System” as follows: You can find the SN and check code be- low the type label of inverter. Scan or type After login, click “Install new system” If there is no Wi-Fi module, please choose "Including Wi- Fi Module"...
Page 112 Commissioning Only for Australian installers, they need to do more settings. If you are an Australian installer, you will need to fill in the Street (NMI), Suburb (NMI) and Postcode (NMI) fields and the Region field, which has six fixed options (NSW, QLD, VIC, SA, TAS, WA). If SA is selected for Region, two more fields are added which are Agent and NMI.
Page 113: Instruct The End User To Install The App
Commissioning 8.4.4. Instruct the End User to Install the App Please make sure that end user has downloaded the App, registered the account correctly, and bound the system SN. Click ”Register” to register a user account 8.5. Register on AlphaCloud 8.5.1.
Page 114 Commissioning If not, please register by filling in the following web form. In this form, all fields with a red star are required. *Serial Number: SN (please see the type label of the inverter) *Username: 5-15 letters / numbers *Password: 5-15 letters / numbers / characters More details are available in the Online Monitoring Web Server Installers User Manual, which can be downloaded from the AlphaESS homepage.
Page 115: Install New System On Alphacloud
Commissioning 8.5.2. Install New System on AlphaCloud Installers who haven't yet registered need to click “Register” to visit the registration page. Please refer to the “AlphaCloud Online Monitoring Web Server Installers User Manual”, which you can get from the AlphaESS sales team and get an AlphaESS Installer license number.
Page 116: Check System Wiring And Meter Installation
Commissioning 8.6. Check System Wiring and Meter Installation Check the grid's voltage range and frequency range and the installation (including location, direction and phase sequence) of all CT(s) and/or meter(s). You can directly commission the system after the system configuration process. Brief wiring diagram of the hybrid-coupled system...
Page 117 Commissioning Detailed operating steps to check system wiring and meter installation as follows: 1. Please perform the steps below for the circuit breakers and PV switch in the system a. Switch on the battery circuit breaker of the energy storage inverter. b.
Page 118 Commissioning 2. Operate the App and follow the instructions below to enable “Charge Batteries from the Grid”. Select “ON” to Charge Batteries ③ from Grid” First click “Function” ② on the bottom of the home page. Please set the ④ Then click “Charging “Charging period 1”...
Page 119 Commissioning 3. If there isn’t PV inverter in the system, please skip this step. If PV inverter exists in the system, switch on the AC breaker between the PV inverter and the grid. Click the AlphaESS App, turn to page “Running Information” and check the power value of “PV Inverter Power”.
Page 120: Maintenance And Troubleshooting
Maintenance and Troubleshooting 9. Maintenance and Troubleshooting 9.1. Routine Maintenance Normally, the energy storage system needs no maintenance or calibration. However, in order to maintain the accuracy of the SOC, it is recommended to perform a full charge calibration for SOC (charge the battery until the charge power is 0W) on the battery at regular intervals (such as two weeks).
Page 121: Troubleshooting
Maintenance and Troubleshooting 9.2. Troubleshooting 9.2.1. Common Errors 1. The four LEDs in the first row are system (SYS), battery (BAT), meter (METER), and communication (COM). 2. The five LEDs in the second row serve two functions: 1) During normal system operation, they indicate the SOC operation status of the batteries connected in this energy storage system.
Page 122 Maintenance and Troubleshooting PV inverter side meter lost 1. Check whether the system configuration parameters of the AlphaESS App or AlphaCloud are correct and whether the meter is used on the PV inverter side 2. Check whether the communication cable of the meter of PV inverter side is connected correctly PV meter lost...
Page 123 Maintenance and Troubleshooting Battery Error Troubleshooting Error L E D D i s p l a y Description Troubleshooting Code Indicator Try to switch on all batteries’ circuit breakers. Circuit_Breaker_ 60002 If the error persists, contact Open customer service for further check.
Page 124 Maintenance and Troubleshooting If the error persists, contact customer service for further 100005 BUS_OVP1 check. 1. Check whether PV cable connection is reliable. 2. Check whether PV cable is Insulation_ 100007 damaged. fault If the error persists, contact customer service for further check.
Page 125 Maintenance and Troubleshooting 1. Check whether the actual battery voltage is lower than the battery discharge cut-oﬀ voltage. 100026 BAT_UVP If the error persists, contact customer service for further check. 1. Confirm whether the battery communication cable connection is normal. 2.
Page 126 Maintenance and Troubleshooting Para_Multi_ 100216 Host...
Page 127 Maintenance and Troubleshooting Accessories Error Troubleshooting Error Code L E D D i s p l a y Description Troubleshooting Indicator EV Charger lost 1. Check whether the EV communication connection between the EV charger and the EV Charger inverter is normal. Lost 2.
Page 128 Maintenance and Troubleshooting SYS red light correct grounding is on, METER method. light is flashing fast. 1. Shut off the leakage current protection switch of the power distribution cabinet immediately. 2. Check whether the AC 200016 Reverse phase input/output cable connection is normal, and verify whether there is an inverse connection of L/N...
Page 129: Battery Protection Description For Smile-G3-Bat-8.2P
Maintenance and Troubleshooting 9.2.2. Battery Protection Description for SMILE-G3-BAT-8.2P The three LED indicators on the left front provide information about the protection status of the battery. Display Description Troubleshooting State Stop discharging and charging until this display state is High temperature eliminated and wait for the temperature to drop.
Page 130: Battery Protection Description For Series Battery
Maintenance and Troubleshooting 9.2.3. Battery Protection Description for Series Battery The three LED indicators on the front cover provide information about the protection status of the battery. : Yellow LEDs flashing : Yellow LEDs on : Yellow LEDs off LED Display Description Troubleshooting State...
Page 131: Battery Error Description
Maintenance and Troubleshooting 9.2.4. Battery Error Description The three LED indicators on the front cover provide information about the error status of the battery. LED Display Description Troubleshooting State Hardware error Wait for automatic recovery. If this error persists, please call customer service. Hardware error Circuit breaker open Switch on circuit breaker after power off the battery.
Page 132: Product Removal & Return
Product Removal & Return 10. Product Removal & Return 10.1. Removing the Product Procedure • Step 1: Power off the energy storage system as described in Chapter 8.2 Powering off the System. • Step 2: Disconnect all cables from the system, including communication cables, PV power cables, battery power cables, AC cables, and PE cables.
Page 133: Technical Data
Technical Data 11. Technical Data 11.1. Datasheet of Inverter (SMILE-G3 Three Phase Inverter) Item SMILE-G3-T4-INV SMILE-G3-T5-INV SMILE-G3-T6-INV Input DC (PV Side) Recommended Max. PV Power 8000 W 10000W 12000 W Max. PV Input Voltage 1000 V Rated Voltage 720 V...
Page 134 Technical Data Output AC (Back-up, Off Grid) Rated Output Power 4 kW 5 kW 6 kW Rated Apparent 4 kVA 5 kVA 6 kVA Output Power Rated Output 5.8 A 7.2 A 8.7 A Current Max. Continuous Output 4.4 kW 5.5 kW 6.6 kW Power...
Page 135 Technical Data Eﬃciency Max. Efficiency, η 97.8% 97.8% 97.8% European Weighted 97.0% 97.0% 97.0% Efficiency, η Protection Anti-Islanding Protection Integrated Insulation Resistor Detection Integrated Residual Current Monitoring Integrated Unit Output over Current Integrated Protection Output Short Protection Integrated Output Overvoltage Integrated Protection PV Reverse Polarity Protection...
Page 136 Technical Data Item SMILE-G3-T8-INV SMILE-G3-T10-INV Input DC (PV Side) Recommended Max. PV Power 16000 W 20000W Max. PV Input Voltage 1000 V Rated Voltage 720 V Start-up Voltage 120 V MPPT Voltage Range 950 V Max. Input Current per MPPT 16 A / 16 A Max.
Page 137 Technical Data Max. Continuous Output 4.4 kW 5.5 kW Power Max. Continuous Output 4.4 kVA 5.5 kW Apparent Power Max. Output Power ≤ 30s 6 kW 7.5 kW Max. Output Apparent Power 6 kVA 7.5 kVA ≤ 30s Max. Output Power ≤ 1s 8 kW 10 kW Max.
Page 138 Technical Data Protection Anti-Islanding Protection Integrated Insulation Resistor Detection Integrated Residual Current Monitoring Integrated Unit Output over Current Integrated Protection Output Short Protection Integrated Output Overvoltage Integrated Protection PV Reverse Polarity Protection Integrated PV Overvoltage Protection Integrated PV Switch Integrated Battery Breaker Integrated General Data...
Page 139: Datasheet Of Battery
Technical Data 11.2. Datasheet of Battery 11.2.1. Datasheet of Battery SMILE-G3-BAT-8.2P Model SMILE-G3-BAT-8.2P Battery Type LFP (LiFePO Weight 78.3 kg Dimensions (W*H*D) 610*793*212 mm Ingress Protection IP21 Installed Energy 8.2 kWh Usable Energy 7.8 kWh Nominal Voltage 256 V Operating Voltage Range 240 to 288 V Max.
Page 140: Datasheet Of Battery Smile-G3-Bat-3.6S
Technical Data 11.2.2. Datasheet of Battery SMILE-G3-BAT-3.6S Model SMILE-G3-BAT-3.6S Battery Type LFP (LiFePO Weight 43.2 kg Dimensions (W*H*D) 610*435*212.5 mm Ingress Protection IP65 Installed Energy 3.6 kWh Usable Energy 3.6 kWh 100% Nominal Voltage 96 V Operating Voltage Range 90 to 108 V Max.
Page 141: Datasheet Of Battery Smile-G3-Bat-3.8S
Technical Data 11.2.3. Datasheet of Battery SMILE-G3-BAT-3.8S Model SMILE-G3-BAT-3.8S Battery Type LFP (LiFePO Weight 38.5 kg Dimensions (W*H*D) 610*435*212 mm Ingress Protection IP21 Installed Energy 3.84 kWh Usable Energy 3.65 kWh Nominal Voltage 96 V Operating Voltage Range 90 to 108 V Max.
Page 142: Datasheet Of Battery Smile-G3-Bat-4.0S
Technical Data 11.2.4. Datasheet of Battery SMILE-G3-BAT-4.0S Model SMILE-G3-BAT-4.0S Battery Type LFP (LiFePO Weight 43.2 kg Dimensions (W*H*D) 610*435*212.5 mm Ingress Protection IP65 Installed Energy 4.0 kWh Usable Energy 3.8 kWh Nominal Voltage 96 V Operating Voltage Range 90 to 108 V Max.
Page 143: Appendix 1: System Wiring Diagram
Appendix 1: System Wiring Diagram Appendix 1: System Wiring Diagram...
Page 144 Appendix 1: System Wiring Diagram...
Page 145 Appendix 1: System Wiring Diagram...
Page 146 Appendix 1: System Wiring Diagram...
Page 147 Appendix 1: System Wiring Diagram...
Page 148 Appendix 1: System Wiring Diagram...
Page 149 Appendix 1: System Wiring Diagram...
Page 150 Appendix 1: System Wiring Diagram...
Page 151 Appendix 1: System Wiring Diagram...
Page 152 Appendix 1: System Wiring Diagram...
Page 153: Appendix 2: Regional Application Standard
Appendix 2: Regional Application Standard Appendix 2: Regional Application Standard Please check with your local grid company and choose the corresponding regional application standard, the power quality modes Volt-VAR and Volt-Watt will be running automatically. (Only for regions with AS/NZW 4777.2 safety standard) Regional Application Standard Electric Company Australia A...
Page 154 Appendix 2: Regional Application Standard...

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