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Summary of Contents for Growatt ML33RTA
- Page 1 Shenzhen Growatt New Energy CO.,LTD ML33RTA Lithium Ion Standalone Battery Residential Energy Storage System Product Manual Version: V1.0 Date: 2020-10-12...
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Page 2: Table Of Contents
Contents About This Document ..........................2 1 Important Safety Information ......................3 1.1 Warning Label ...............................3 1.2 Precautions ................................3 2 Overview............................... 6 2.1 Appearance and Terminals .............................6 2.2 Application Scenarios .............................7 2.3 Technical Parameters .............................7 3 Storage and Transport ........................9 3.1 Storage Requirements ............................9 3.2 Transport Requirements............................9 4 What You Need .......................... -
Page 3: About This Document
This document describes the application scenarios, installation, electrical connection, commission and troubleshooting of ML33RTA, a 3.3 kWh Energy Storage Battery (hereinafter simply put as battery). Before installing and operating battery, please ensure that you are familiar with product features, functions, and safety precautions as provided in this document. -
Page 4: Important Safety Information
1 Important Safety Information 1.1 Warning Label Battery is heavy enough to cause severe Do not dispose battery in household trash. injury. Recyclable. Keep battery away from children. Certification in European Union area. Do not reverse polarities. Risk of electric shock. Do not expose battery to flame. - Page 5 Place battery on a flat surface. Do not place any foreign object on top of battery nor step on battery. ＊ Battery-connected PCS should have reinforced insulation. ＊ Table 1-1 Responses to Emergencies Event Description and recommended actions Leakage Inhalation: leave the contaminated area right now. Swallow: induce vomiting.
- Page 6 *60±0.5 Nameplate IFpP/16/122/360/[16S]M/-10+50/90 Model: ML33RTA Nominal Voltage: 51.2V Total/Rated Capacity: 64Ah/58.6Ah Total/Rated Energy: 3276Wh/3000Wh Ingress Protec�on: IP20 Opera�ng Ambient -10℃ ~ 50℃ Temperature: Maximum Short Current 1700A, 2ms and Dura�on: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two...
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Page 7: Overview
2 Overview ML33RTA is a 3.3kWh LiFePO4 battery pack. It has a 48V battery module as the main power supply unit which com- posed of 64Ah cells in one parallel and 16 serial connect (1P16S) 2.1 Appearance and Terminals The battery is an energy storage unit composed of cells, mechanical parts, battery management system (BMS) as well as power and signal terminals. -
Page 8: Application Scenarios
: Blue LED Blink : Blue LED On : Blue LED flash display ★ ● ■ 2.2 Application Scenarios Battery coordinates with PCS in the residential energy storage system. The typical application scenarios are as shown below. Junction Box Junction Box The energy produced by PV is optimized to supply loads. - Page 9 Operating Voltage 48 ~ 57.6V Rated Charging Current Rated Discharging Current 42.5A Max. Discharging Power Peak Discharging Power 4.3kW/5s Max Charging Power 1.5kW IP Protection IP20 Working Temperature -10°C~+55°C Storage Temperature -20°C~+45°C 94.5% Cycle Life >3500 (25°C, 60% SOH) Parallel Connection Max .6 packs Communication Port CAN2.0 / RS485...
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Page 10: Storage And Transport
3 Storage and Transport 3.1 Storage Requirements Battery storage life Life Temperature Humidity 7 days -30℃ to -20℃ or 45℃ to 60℃ 5%RH-95%RH 180 days - 20℃ to 45℃ 5%RH-95%RH If the battery is not used for more than 1 week, you need to store it in accordance with the requirement for storage conditions. -
Page 11: What You Need
4 What You Need Before installing, operating, and maintaining the battery, you need to prepare tools and protection equipment to ensure safety. 4.1 Tools Ω 100mA Ω FUSED FUSED 1000V MAX Screwdriver Multi-meter Tape HEX key 4.2 Protective equipment Insulated gloves Safety goggle Safety shoes To prevent injury, always wear acid-resistant clothing, PVC gloves, goggles and rubber boots during installation, opera-... -
Page 12: Installation
Warranty Card In order to make a faulty claim, please fully read and clarify warranty terms in advance. Then let onsite engineer fill the information required in this card, sign and send back to Growatt or its authorized distributor. 1. Distributor name: 2. -
Page 13: Installation
5.3 Installation It is recommended to install the battery into a cabinet and place it indoor. If you install it outdoor, select a cabinet with a sufficient IP rating. Build sunshade & rain shelter to avoid direct exposure to sunlight and rain for outdoor application. Keep the dirt or dust at a minimal level;... -
Page 14: Electrical Connection
6 Electrical Connection ML33RTA can work in single mode and parallel mode. To make the battery work properly, follow the instructions below to correctly connect it. This chapter describes how to connect one battery and multiple batteries. 6.1 Power Terminals and Network Ports The battery provides the following three network ports and two power terminals for electrical connection. -
Page 15: Connect Batteries In Parallel
Connect to PCS Insert a crystal plug Step 2. Connect power cables. Plug the positive power cable into port 2 and breaker. Plug the negative power cable into port 3 and breaker. Inverter 6.3 Connect Batteries in Parallel To increase the available amount of current and capacity, connect batteries in parallel. At most 6 pcs of batteries can be connected in parallel. - Page 16 Power the batteries on and use a multi-meter to measure their voltages. Charge the battery with lower voltage or discharge the battery with higher voltage if voltage difference is greater than 1V. Power off all batteries and keep them in off mode. Step 2.
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Page 17: Operation
7 Operation After the battery is installed, you can power on/off it. When operating or maintain the battery module, please strictly follow the safety instruction below: You must be a technician who goes through technical training and obtains certificates in compliance with local laws and ... -
Page 18: Maintenance
Unplug power cables and network cables from battery terminals. Remove battery from the cabinet. 8.2 Upgrade Firmware Growatt will provide firmware updates accordingly. Ensure that your battery runs the latest version of firmware. Step 1. Install the BMS PC software. - Page 19 In the Open device dialog box, c CANalyst-II from the Device Type dropdown list and Extend from the hoose Frame Type dropdown list, and set Baud Rate to 500K. Keep other default parameters. Click OK. Choose target upgrade file and click Start Upgrade. Upgrade succeeds when progress bar reaches 100%.
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Page 20: Troubleshooting
8.3 Troubleshooting Display Logic PACK PACK Status Remark Duration Information LED1 LED2 LED3 LED4 LED5 LED5 depending same as Remote the normal status ★ ★ ★ ★ ★ Bootload 1S-2S ★ ★ ★ ★ ● Master ★ ● Slave 1 ★... -
Page 21: Product Liability
9 Product Liability Growatt is not responsible for the incident caused by not obeying the Manual. Before using the battery, you should read the specifications, safety information and operation instructions carefully to learn its application method and scenarios. If the product or accessories are damaged by incorrect using method, wrong circuit connection, incorrect data settings, or... -
Page 22: Recycle
10 Recycle Lithium ion batteries are recyclable, valuable resources and should be recycled according to the local laws or regulations. Do NOT throw your battery into household waste. For information on used batteries, contact the place of purchase or your battery distributor.
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