Huawei SUN2000-3KTL-M1 Quick Manual

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SUN2000-(3KTL-12KTL)-M1

Quick Guide

Issue: 01

Part Number: 31508308

Date: 2020-09-15

HUAWEI TECHNOLOGIES CO., LTD.

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Page 1 SUN2000-(3KTL-12KTL)-M1 Quick Guide Issue: 01 Part Number: 31508308 Date: 2020-09-15 HUAWEI TECHNOLOGIES CO., LTD.
Page 2: Product Description
5. Use insulating tools when installing the device. For personal safety, wear proper personal protective equipment (PPE). 6. Huawei shall not be liable for any consequences caused by the violation of the storage, transportation, installation, and operation regulations specified in this document and the user manual.
Page 3: Installing The Equipment
Installing the Equipment Installation Requirements Angle Space Dimensions Two M6 screw holes are reserved on both left and right sides of the inverter for installing an awning.
Page 4 Installing the Inverter When drilling holes, avoid the water pipes and power cables buried in the wall. 1. Install the mounting bracket. • M6x60 expansion bolts are delivered with the inverter. If the length and number of the bolts do not meet installation requirements, prepare M6 stainless steel expansion bolts by yourself. •...
Page 5 3. Install the inverter on the mounting bracket. 4. (Optional) Install an anti-theft lock. Prepare an anti-theft lock suitable for the lock hole diameter (Ф8 mm) and ensure that the lock can be installed successfully. An outdoor waterproof lock is recommended. Electrical Connections Preparing for Installation •...
Page 6 Installing the PE Cable Do not connect the neutral wire to the enclosure as a PE cable. Otherwise, electric shocks may occur. • The PE point at the AC output port is used only as a PE equipotential point, and cannot substitute for the PE point on the enclosure.
Page 7 Five-Core Cable (L1, L2, L3, N, and PE) • This section describes how to connect a five-core AC output power cable to an AC connector. A three-core AC output power cable can be connected similarly. The three-core cable (L1, L2, •...
Page 8 Installing the DC Input Power Cable 1. Ensure that the PV module output is well insulated to ground. 2. Use the Staubli MC4 positive and negative metal terminals and DC connectors supplied with the solar inverter. Using incompatible positive and negative metal terminals and DC connectors may result in serious consequences.
Page 9 2. Connect DC input power cables. DC input terminals Pull the DC input power cable back to ensure that it is connected securely. Click (Optional) Installing Battery Cables • Use insulated tools when connecting cables. • Connect battery cables with correct polarity. If battery cables are reversely connected, the solar inverter may be damaged.
Page 10 Installing the Smart Dongle • If FE communication is used, install a WLAN-FE Smart Dongle (SDongleA-05). The WLAN-FE Smart Dongle is delivered with the SUN2000. • If 4G communication is used, install a 4G Smart Dongle (SDongleA-03). You need to purchase the 4G Smart Dongle by yourself.
Page 11 (Optional) 4G Smart Dongle (4G Communication) • If your Smart Dongle is not equipped with a SIM card, prepare a standard SIM card (size: 25 mm x 15 mm) with the capacity greater than or equal to 64 KB. • Install the SIM card in the arrow direction.
Page 12 • When the RS485 communications cables of devices such as the Smart Power Sensor and the energy storage device are both connected to the inverter, 485A2 (pin 7), 485B2 (pin 9), and PE (pin 5) are shared. • When the enable signal cable of the energy storage device and the signal cable of the rapid shutdown switch are both connected to the inverter, GND (pin 13) is shared.
Page 13 In the Smart Dongle networking scenario, the SmartLogger cannot be connected. • The Smart Power Sensor is necessary for export limitation. Only the DTSU666-H Smart Power Sensor (provided by Huawei) can be used. • A maximum of 10 devices can be connected to the WLAN-FE and 4G Smart Dongles. The Smart Power Sensors connected to the RS485A2 and RS485B2 ports are not included.
Page 14 (Optional) Installing the RS485 Communications Cable (Inverter Cascading) 1. Connect the signal cable to the signal cable connector. 2. Connect the signal cable connector to the communication port. Communications port (COM)
Page 15 (Optional) Installing the RS485 Communications Cable (Only Smart Power Sensor Connected) 1. Connect the signal cable to the signal cable connector. 2. Connect the signal cable connector to the communication port. Communications port (COM)
Page 16 (Optional) Installing the RS485 Communications Cable (Smart Power Sensor and Energy Storage Device Connected) 1. Connect the signal cable to the signal cable connector. 2. Connect the signal cable connector to the Communication port. Communications port (COM)
Page 17 (Optional) Installing the Grid Scheduling Dry Contact Signal Cable 1. Connect the signal cable to the signal cable connector. 2. Connect the signal cable connector to the Communication port. Communications port (COM)
Page 18 (Optional) Installing Signal Cables for a Smart Backup Box 1. Connect the signal cable to the signal cable connector. 2. Connect the signal cable connector to the Communication port. Communications port (COM)
Page 19: Powering On The System
Verifying Installation Acceptance Criteria The inverter is installed correctly and securely. Cables are routed properly as required by the customer. The Smart Dongle is installed correctly and securely. Cable ties are evenly distributed and no burr exists. The PE cable is connected correctly, securely, and reliably. The DC switch and all the switches connected to the inverter are set to the OFF position.
Page 20 6. Observe the LEDs to check the operating status of the inverter. Type Status (Blinking at long intervals: On Meaning for 1s and then Off for 1s; Blinking at short Intervals: On for 0.2s and then Off for 0.2s) Running indication Steady green Steady green...
Page 21 7. (Optional) Observe the LED to check the operating status of the Smart Dongle. WLAN-FE Smart Dongle Description Color Status Yellow (blinking Steady on The Dongle is secured and green and red powered on. simultaneously) Blinking at short The parameters for connecting intervals (on for 0.2s to the router are to be set.
Page 22 FusionSolar app as an example to describe the commissioning method. For the SUN2000 app, perform operations as required. • Search for "SUN2000" in Huawei AppGallery, download the latest installation package, and install the SUN2000 app by following the instructions. The SUN2000 app version should be 3.2.00.005 (Android) or later.
Page 23 To create multiple installer accounts for a company, log in to the FusionSolar app and tap New User to create an installer account. Installer Creating a PV Plant and a Plant Owner For details, see the FusionSolar App Quick Guide .
Page 24 PV plant as prompted. 2. Log in to https://intl.fusionsolar.huawei.com to access the WebUI of the FusionSolar Smart PV Management System. On the Homepage page, click the plant name to go to the plant page.
Page 25 You can also upload the physical layout template photo on the WebUI as follows: Log in to https://intl.fusionsolar.huawei.com to access the WebUI of the FusionSolar Smart PV Management System. On the home page, click the plant name to go to the plant page. Choose Plant layout, click Add Physical Layout >...
Page 26 Distributed PV Plants Connecting to Huawei Hosting Cloud Quick Guide For details, see the (Distributed Solar Inverters + SmartLogger1000A + RS485 Networking) PV Plants Connecting to Huawei Hosting Cloud Quick Guide (Inverters + SmartLogger3000 + RS485 Networking) . You can scan the QR codes to obtain the documents. SmartLogger1000A...
Page 27 2. Connect to the solar inverter WLAN and log in as installer to access the device commissioning screen. Resetting the Password 1. Ensure that the SUN2000 connects to the AC and DC power supplies at the same time. Indicators are steady green or blink at long intervals for more than 3 minutes. 2.
Page 28: Customer Service Contact
Customer Service Contact Region Country Phone Service Support Email France Germany Spain eu_inverter_support@huawei.com 0080033888888 Europe Italy Netherlands Other countries For details, see solar.huawei.com. Australia au_inverter_support@huawei.com 1800046639 Turkey tr_inverter_support@huawei.com 0080021686868 Malaysia /1800220036 (+66) 26542662 (charged apsupport@huawei.com Asia Pacific by local call) Thailand...
Page 29 Huawei Technologies Co., Ltd. Huawei Industrial Base, Bantian, Longgang Shenzhen 518129 People's Republic of China solar.huawei.com...
Page 30 SUN2000-(3KTL-10KTL)-M1 User Manual Issue Date 2020-09-30 HUAWEI TECHNOLOGIES CO., LTD.
Page 31 Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...
Page 32: About This Document
User Manual About This Document About This Document Overview This document describes the SUN2000-3KTL-M1, SUN2000-4KTL-M1, SUN2000-5KTL-M1, SUN2000-6KTL-M1, SUN2000-8KTL-M1, and SUN2000-10KTL- M1 (SUN2000 for short) in terms of their installation, electrical connections, commissioning, maintenance, and troubleshooting. Before installing and operating the SUN2000, ensure that you are familiar with the features, functions, and safety precautions provided in this document.
Page 33: Change History
Change History Changes between document issues are cumulative. The latest document issue contains all the changes made in earlier issues. Issue 01 (2020-09-30) This issue is used for first office application (FOA). Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 34: Table Of Contents
4.3.1 Environment Requirements............................20 4.3.2 Space Requirements................................. 21 4.4 Moving the SUN2000................................24 4.5 Installing the Mounting Bracket............................24 4.5.1 Wall-mounted Installation............................. 25 4.5.2 Support-mounted Installation............................27 5 Electrical Connections......................31 5.1 Installation Preparation..............................31 Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 35 9.1 Removing the SUN2000..............................99 9.2 Packing the SUN2000................................99 9.3 Disposing of the SUN2000..............................99 10 Technical Specifications....................100 10.1 SUN2000 Technical Specifications..........................100 10.2 Optimizer Technical Specifications..........................106 A Grid Code..........................109 Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 36 SUN2000-(3KTL-10KTL)-M1 User Manual Contents B Device Commissioning....................... 112 C Resetting Password......................115 D Rapid Shutdown......................... 118 E Locating Insulation Resistance Faults................119 F Acronyms and Abbreviations....................122 Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 37: Safety Information
The "NOTICE", "CAUTION", "WARNING", and "DANGER" statements in this document do not cover all the safety instructions. They are only supplements to the safety instructions. Huawei will not be liable for any consequence caused by the violation of general safety requirements or design, production, and usage safety standards.
Page 38: General Requirements
Do not touch the energized equipment, as the enclosure is hot. 1.2 Personnel Requirements ● Personnel who plan to install or maintain Huawei equipment must receive thorough training, understand all necessary safety precautions, and be able to correctly perform all operations.
Page 39: Electrical Safety
Do not connect or disconnect power cables with power on. Transient contact between the core of the power cable and the conductor will generate electric arcs or sparks, which may cause fire or personal injury. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 40: Installation Environment Requirements
Ensure that the ladder is securely positioned. The recommended angle for a ladder against the floor is 75 degrees, as shown in the following figure. An angle rule can be used to measure the angle. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 41: Commissioning
When the equipment is powered on for the first time, ensure that professional personnel set parameters correctly. Incorrect settings may result in inconsistency with local certification and affect the normal operation of the equipment. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 42: Maintenance And Replacement
If the equipment is faulty, contact your dealer. ● The equipment can be powered on only after all faults are rectified. Failing to do so may escalate faults or damage the equipment. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 43: Overview
SUN2000-3KTL-M1 ● SUN2000-4KTL-M1 ● SUN2000-5KTL-M1 ● SUN2000-6KTL-M1 ● SUN2000-8KTL-M1 ● SUN2000-10KTL-M1 NO TE The SUN2000-8KTL-M1 and SUN2000-10KTL-M1 are not applicable to Australia. Figure 2-1 Model description (using SUN2000-5KTL-M1 as an example) Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 44: Networking Application
The SUN2000 applies to residential rooftop grid-tied systems and small-sized ground PV plant grid-tied systems. Typically, a grid-tied system consists of PV strings, grid-tied inverters, AC switches, and power distribution units. Figure 2-2 Networking application (dashed boxes indicate optional components) Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 45: Appearance
● When the SUN2000 is used in the TT power grid, the N-to-PE voltage must be less than 30 V. ● When the SUN2000 is used in the IT power grid, set Isolation to Input ungrounded, with TF. 2.2 Appearance Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 46 Two M6 screw holes are reserved on the left and right sides of the SUN2000 for installing the awning. Table 2-2 Indicator description Category Status Description Running LED1 LED2 indicator Steady Steady green The SUN2000 is green operating in grid-tied mode. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 47 0.2s and then off for 0.2s) progress. (When a mobile phone is connected to the SUN2000, the indicator blinks green at long intervals, indicating that the phone is connected to the SUN2000.) Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 48: Label Description
It takes 5 minutes for the SUN2000 to discharge to the safe voltage. Burn warning Do not touch a running SUN2000 because it generates high temperatures on the shell. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 49 SUN2000 serial Indicates the serial number number. SUN2000 MAC address Indicates the MAC address. SUN2000 WiFi login Scan the QR code to QR code connect to the Huawei SUN2000 WiFi network. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 50: Product Nameplate
(MPPT) circuits. The SUN2000 converts DC power into three-phase AC power through an inverter circuit. Surge protection is supported on both the DC and AC sides. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 51: Working Modes
SUN2000-(3KTL-10KTL)-M1 User Manual 2 Overview Figure 2-6 SUN2000 conceptual diagram 2.4.2 Working Modes The SUN2000 can work in Standby, Operating, or Shutdown mode. Figure 2-7 Working modes Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 52 ● In Standby or Operating mode, the SUN2000 enters Shutdown mode after detecting a fault or shutdown command. ● In Shutdown mode, the SUN2000 enters Standby mode after detecting a startup command or that the fault is rectified. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 53: Storage
Periodic inspections are required during the storage. Replace the packing materials if necessary. ● If the SUN2000 has been long-term stored, inspections and tests should be conducted by qualified personnel before it is put into use. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 54: Installation
After unpacking the inverter, check that the contents are intact and complete. If any damage is found or any component is missing, contact your supplier. NO TE Packing List in the packing case. For details about the number of contents, see the Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 55: Tools
Cable cutter Crimping tool Multimeter Vacuum cleaner Model: PV- DC voltage CZM-22100; measurement range manufacturer: ≥ 1100 V DC Staubli Marker Measuring tape Bubble or digital Cord end terminal level crimper Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 56: Determining The Installation Position
The mounting structure where the SUN2000 is installed must be fireproof. ● Do not install the SUN2000 on flammable building materials. ● The SUN2000 is heavy. Ensure that the installation surface is solid enough to bear the weight load. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 57: Space Requirements
Do not install the SUN2000 at forward tilted, excessive back tilted, side tilted, horizontal, or upside down positions. Figure 4-1 Installation tilts Installation Space Requirements ● Reserve enough space around the SUN2000 to ensure sufficient space for installation and heat dissipation. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 58 When installing multiple SUN2000s, install them in horizontal mode if sufficient space is available and install them in triangle mode if no sufficient space is available. Stacked installation is not recommended. Figure 4-3 Horizontal installation (recommended) Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 59 SUN2000-(3KTL-10KTL)-M1 User Manual 4 Installation Figure 4-4 Staggered installation (recommended) Figure 4-5 Stacked installation (not recommended) Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 60: Moving The Sun2000
● Place a foam pad or cardboard under the SUN2000 to protect the SUN2000 enclosure from damage. Figure 4-6 Moving the SUN2000 ----End 4.5 Installing the Mounting Bracket Installation Precautions Figure 4-7 shows the dimensions of installation holes on the SUN2000. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 61: Wall-Mounted Installation
M6 stainless steel expansion bolts by yourself. Figure 4-8 Expansion bolt composition (1) Bolt (2) Nut (3) Spring washer (4) Flat washer (5) Expansion sleeve Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 62 ● For the model used in Australia, perform this step based on the local standards. Figure 4-10 Installing the locking screw for the DC switch Step 4 Install the SUN2000 onto the mounting bracket. Step 5 Tighten the nut. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 63: Support-Mounted Installation
M6 bolts) with appropriate lengths as well as matched flat washers and nuts based on the support specifications. Procedure Step 1 Determine the hole positions based on the marking-off template, and then mark the hole positions using a marker. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 64 Step 2 Drill holes using a hammer drill. NO TE You are advised to apply anti-rust paint on the hole positions for protection. Figure 4-14 Drilling holes Step 3 Secure the mounting bracket. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 65 ● For the model used in Australia, perform this step based on the local standards. Figure 4-16 Installing the locking screw for the DC switch Step 5 Install the SUN2000 onto the mounting bracket. Step 6 Tighten bolt assemblies. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 66 Ensure that the lock can be installed successfully. ● Outdoor waterproof lock is recommended. ● Keep the key to the anti-theft lock properly. Figure 4-18 Installing an anti-theft lock ----End Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 67: Electrical Connections
5.1 Installation Preparation Figure 5-1 SUN2000 cable connections (dashed boxes indicate optional components) NO TICE If a Smart Dongle is configured, it is recommended that you install it before connecting the signal cable. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 68 Select the devices that meet Provided by the Power grid the power grid scheduling local power grid scheduling requirements. company device (Optional) Select a proper model as Prepared by users Rapid required. shutdown switch Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 69 (Optional) Battery (Recommended cable model: PV1-F) ● Cable outer diameter: 5.5–9 (Optional) Signal Outdoor shielded ● Conductor cross- twisted pair sectional area: 0.2– cable 1 mm ● Cable outer diameter: 4–11 mm Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 70: Connecting The Pe Cable
PE cable is connected. Supplementary Notes The SUN2000 has the grounding detection function. This function is used to check whether the SUN2000 is properly grounded before the SUN2000 starts, or check Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 71 ● Wrap the wire crimping area with heat shrink tubing or PVC insulation tape. The heat shrink tubing is used as an example. ● When using a heat gun, protect devices from being scorched. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 72: Connecting The Ac Output Power Cable
Precautions A three-phase AC switch needs to be installed on the AC side of the SUN2000. To ensure that the SUN2000 can safely disconnect itself from the power grid when an Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 73 SUN2000s multiplied by 100 mA. ● A knife switch cannot be used as an AC switch. Procedure Step 1 Connect the AC output power cable to the AC connector. Figure 5-4 Stripping requirements Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 74 Failing to do so may cause SUN2000 malfunction and damage to its AC connectors. ● Ensure that the cable is not twisted. Figure 5-5 Three-core cable (L1, L2, and L3) Figure 5-6 Four-core cable (L1, L2, L3, and PE) Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 75 Step 2 Connect the AC connector to the AC output port. NO TICE Ensure that the AC connector is connected securely. Figure 5-9 Securing the AC connector Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 76: Installing Dc Input Power Cables
● If no PV string connects to a DC input terminal of the SUN2000, do not remove the watertight cap from the DC input terminals. Otherwise, the IP rating of the SUN2000 will be affected. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 77: Terminal Description
In this case, an AC or DC short circuit may occur and damage the SUN2000. The caused device damage is not covered under any warranty. Terminal Description Figure 5-11 Terminal (1) DC input terminal (2) Battery terminal Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 78 Use the positive and negative Staubli MC4 metal terminals and DC connectors supplied with the SUN2000. Using incompatible positive and negative metal terminals and DC connectors may result in serious consequences. The caused device damage is not covered under warranty. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 79 ● If the PV string is configured with an optimizer, check the cable polarity by referring to the smart PV optimizer quick guide. Figure 5-13 Installing DC input power cables ----End Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 80: Optional) Connecting Battery Cables
Reinstall the watertight caps immediately after removing the connectors. A battery switch can be configured between the SUN2000 and the battery to ensure that the SUN2000 can be safely disconnected from the battery. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 81 Step 2 Insert the positive and negative connectors into corresponding battery terminals on the SUN2000. NO TICE After the positive and negative connectors snap into place, pull the battery cables back to ensure that they are connected securely. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 82: Install The Smart Dongle
WLAN-FE Smart Dongle (FE Communication) You are advised to use a Cat 5e outdoor shielded network cable (outer diameter < 9 mm; internal resistance ≤ 1.5 ohms/10 m) and shielded RJ45 connectors. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 83 ● When removing the SIM card, push it inwards to eject it. ● When reinstalling the shell of the Smart Dongle, ensure that the buckle springs back in place and a click sound is generated. Figure 5-17 Installing a 4G Smart Dongle Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 84: Optional) Connecting The Signal Cable
● Ensure that the protective layer of the cable is inside the connector, that excess core wires are cut off from the protection layer, that the exposed core wire is totally inserted into the cable hole, and that the cable is connected securely. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 85 485B1-1 RS485B, 485B1-2 RS485B, signal port on signal port RS485 RS485 on the differential differential SmartLogger SmartLogger signal– signal– Ground point Ground on the shield point on the layer shield layer Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 86: Networking Modes
/DI4 the GND of shutdown DI DI1/DI2/DI3/ signal port or used as the reserved port for the signal cable of the NS protection device. Networking Modes ● Smart Dongle networking Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 87 ● If the SUN2000 is networked with the Smart Dongle, it cannot connect to the SmartLogger. ● A DTSU666-H smart power meter (provided by Huawei) is required to prevent backflow. ● The power meter and Smart Dongle must be connected to the same SUN2000.
Page 88: Connecting The Rs485 Communications Cable (Inverter Cascading)
● If the SUN2000 is networked over the SmartLogger, it cannot connect to the Smart Dongle. ● A DTSU666-H smart power meter (provided by Huawei) is required to prevent backflow. ● To ensure the system response speed, it is recommended that the power meter be connected to one COM port.
Page 89: Connecting The Rs485 Communications Cable (Smart Power Sensor)
Figure 5-22 Securing the signal cable connector ----End 5.7.2 Connecting the RS485 Communications Cable (Smart Power Sensor) Cable Connection The following figure shows the cable connections between the inverter and the Smart Power Sensor. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 91 User Manual 5 Electrical Connections Figure 5-24 Cable connection (Three Phase Four Wire) (1) Shielding layer of the signal cable Procedure Step 1 Connect the signal cable to the signal cable connector. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 92: Connecting An Rs485 Communications Cable (Between A Power Meter And A Battery)
Figure 5-26 Securing the signal cable connector ----End 5.7.3 Connecting an RS485 Communications Cable (Between a Power Meter and a Battery) Procedure Step 1 Connect the signal cable to the signal cable connector. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 93: Connecting The Power Grid Scheduling Signal Cable
Figure 5-28 Securing the signal cable connector ----End 5.7.4 Connecting the Power Grid Scheduling Signal Cable Cable Connection The following figure shows the cable connections between the inverter and the Ripple Control Device. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 94 Figure 5-29 Cable connection Procedure Step 1 Connect the signal cable to the signal cable connector. Figure 5-30 Installing the cable Step 2 Connect the signal cable to the COM port. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 95: Connecting A Signal Cable To The Smart Backup Box
5.7.5 Connecting a Signal Cable to the Smart Backup Box Procedure Step 1 Connect the signal cable to the signal cable connector. Figure 5-32 Installing the cable Step 2 Connect the signal cable connector to the COM port. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 97: Commissioning
Unused terminals and ports Unused terminals and ports are locked by watertight caps. Installation environment The installation space is proper, and the installation environment is clean and tidy. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 98: Sun2000 Power-On
The DC is on, the AC is on, and the at long intervals (on for 1s and SUN2000 is not exporting power to intervals (on then off for 1s) the power grid. for 1s and then off for Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 99 The SUN2000 hardware is faulty. indication The SUN2000 needs to be replaced. Step 6 (Optional) Observe the LED indicator on the Smart Dongle to check its running status. ● WLAN-FE Smart Dongle Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 100 – Check whether the SUN2000 matches the Smart Dongle. – Connect the Smart Dongle to another SUN2000. Check whether the Smart Dongle is faulty or the USB port of the SUN2000 is faulty. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 101 30s). Abnormal If the duration is longer than 30s, the management system parameters are incorrectly set. Reset the parameters. Steady on Normal Connected to the management system. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 103 – Check whether the SUN2000 matches the Smart Dongle. – Connect the Smart Dongle to another SUN2000. Check whether the Smart Dongle is faulty or the USB port of the SUN2000 is faulty. ----End Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 104: Man-Machine Interaction
PV plant information. For iOS users, you can search for FusionSolar in the App Store or scan the following QR code to download the iOS version. ● The screenshots are for reference only. The actual screens prevail. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 105: Optional) Registering An Installer Account
To create multiple installer accounts for a company, log in to the FusionSolar app and tap New User to create an installer account. Figure 7-3 Creating multiple installer accounts for the same company Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 106: Creating A Pv Plant And A User
Ensure that each QR code is attached within the frame. FusionSolar App ● For details about the physical layout of smart PV optimizers, see Quick Guide . You can also scan the QR code to obtain the document. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 107 Figure 7-6 Uploading the physical layout template photo (WebUI) Step 2 Log in to https://intl.fusionsolar.huawei.com to access the WebUI of the FusionSolar Smart PV Management System. On the Homepage page, click the plant name to go to the plant page. Select Plant layout. Choose >...
Page 108 – Method 2: Tap Add PV modules to manually add PV modules and bind the optimizers to the PV modules. Figure 7-8 Physical layout design of PV modules ----End Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 109: Detect Optimizer Disconnection
FusionSolar APP and SUN2000 App User Manual . You can also scan the QR code to obtain the document. 7.2.1 Energy Control On the home screen, tap Power adjustment to perform the corresponding operation. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 110: Grid-Tied Point Control
Inverter. Limitation mode Total power indicates export limitation of the total power at the grid-tied point. Power adjustment Specifies the shortest interval for a period single anti-backfeeding adjustment. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 111 Maximum grid feed-in Specifies the maximum active power power transmitted from the grid-tied point to the power grid. Power adjustment Specifies the shortest interval for a period single anti-backfeeding adjustment. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 112 Specifies the total maximum active power in the SUN2000 cascading scenario. Maximum grid feed-in Specifies the percentage of the power maximum active power of the grid- tied point to the PV plant capacity. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 113: Battery Control
If the SUN2000 connects to a battery, you need to set battery parameters. Forcible Charge and Discharge Step 1 On the home screen, choose Power adjustment > Battery control > Forced charge/discharge and perform operations as required. Tap Submit. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 114: Control Mode
----End Control Mode Step 1 On the home screen, choose Power adjustment > Battery control > Control mode and perform the required operation. Tap Submit. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 115 SUN2000-(3KTL-10KTL)-M1 User Manual 7 Man-Machine Interaction Figure 7-13 Fixed charge/discharge Figure 7-14 Maximum self-consumption Figure 7-15 Time-of-use Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 116 A maximum of 10 time periods can be added. ----End Charge from grid Step 1 On the home screen, choose Power adjustment > Battery control > Charge from grid. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 117 SUN2000-(3KTL-10KTL)-M1 User Manual 7 Man-Machine Interaction Figure 7-16 Charge from grid Figure 7-17 End-of-discharge capacity Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 118: Afci
Function If PV modules or cables are not properly connected or damaged, electric arcs may occur, which may cause fire. Huawei SUN2000s provide unique arc detection in compliance with UL 1699B-2018 to ensure the safety of users' lives and property.
Page 119: Clearing Alarms
AFCI alarm, tap Alarm management, and tap Delete on the right of the DC arc fault alarm to clear the alarm. Figure 7-18 Alarm management ● Method 2: FusionSolar Smart PV Management System Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 120: Ips Check (For Italy Cei0-21 Grid Code Only)
SUN2000 checks the protection threshold and protection time of the maximum voltage over 10 min (59.S1), maximum overvoltage (59.S2), minimum undervoltage (27.S1), minimum undervoltage (27.S2), maximum overfrequency (81.S1), maximum overfrequency (81.S2), minimum underfrequency (81.S), and minimum underfrequency (81.S2). Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 121 (0.85 Vn), and the default protection time threshold is 1.5s. (27.S1) Minimum The default undervoltage protection threshold is 34.5 V undervoltage (0.15 Vn), and the default protection time threshold is 0.2s. (27.S2) Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 122: Smartlogger Networking Scenario
Distributed PV Plants Connecting to Huawei Hosting Cloud Quick See the Guide (Distributed Inverters + SmartLogger1000A + RS485 Networking) PV Plants Connecting to Huawei Hosting Cloud Quick Guide (Inverters + SmartLogger3000 + RS485 Networking) . You can scan the QR code to obtain it.
Page 123: Maintenance
Step 4 Turn on the DC switch between the PV string and the SUN2000 if there is any. Step 5 (Optional) Turn off the battery switch between the SUN2000 and batteries. ----End Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 124: Routine Maintenance
● Minor: Some components are faulty without affecting the grid-tied power generation. ● Warning: The SUN2000 works properly. The output power decreases or some authorization functions fail due to external factors. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 125 PV modules in the PV string. 2. Check whether the PV string is shaded. 3. Check whether the open- circuit voltage of the PV string is abnormal. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 126 (NMS) with the consent of the local power operator. 3. If the alarm persists for a long time, check the connection between the AC circuit breaker and the output power cable. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 127 4. If the AC output power cable is correctly connected, yet the alarm persists and affects the energy yield of the PV plant, contact the local power operator. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 128 If not, contact the local power operator. If yes, modify the grid underfrequency protection threshold through the app, SmartLogger, or NMS with the consent of the local power operator. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 129 SUN2000 operation. recovers after the fault is rectified. 2. If the alarm persists or lasts a long time, check whether the impedance between the PV string and ground is too low. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 130 3. If you have confirmed that the impedance is lower than the specified protection threshold in a cloudy or rainy environment, log in to the app, SmartLogger, or NMS and set the Insulation resistance protection threshold. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 133 ● Cause ID 6: ● Cause ID = 7 1. Check whether the The optimizer number of optimizers installation position is connected in series in the changed, or PV strings PV strings connected in Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 134 The optimizer is offline or faulty. NO TE Contact your dealer or Huawei technical support if all troubleshooting procedures listed above are completed and the fault still exists. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 135: Handling The Inverter
9.3 Disposing of the SUN2000 If the SUN2000 service life expires, dispose of it according to the local disposal rules for electrical equipment waste. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 136: Technical Specifications
1100 V 1100 V 1100 V 1100 V 1100 V 1100 V input voltage Maximum 11 A 11 A 11 A 11 A 11 A 11 A input current (per MPPT) Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 137 3300 VA 4400 VA 5500 VA 6600 VA 8800 VA 11,000 VA apparent power Maximum 3300 W 4400 W 5500 W 6600 W 8800 W 11,000 W active power (cosφ = 1) Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 138 SUN2000-6 SUN2000-8 SUN2000-1 Specificatio KTL-M1 KTL-M1 KTL-M1 KTL-M1 KTL-M1 0KTL-M1 Overvoltag PV II/AC III PV II/AC III PV II/AC III PV II/AC III PV II/AC III PV II/AC III e category Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 139 V200 V200 optimizer is optimizer is optimizer is optimizer is optimizer is optimizer is supported.) supported.) supported.) supported.) supported.) supported.) PV module Optional Optional Optional Optional Optional Optional safe shutdown, optimizer Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 141 IP rating IP65 IP65 IP65 IP65 IP65 IP65 Topology Transformer Transformer Transformer Transformer Transformer Transformer less less less less less less Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 142: Standards Compliance
10.2 Optimizer Technical Specifications Efficiency Technical SUN2000-450W-P Specifications Maximum efficiency 99.5% European weighted 99.0% efficiency Input Technical SUN2000-450W-P Specifications Rated PV module 450 W power Maximum PV 472.5 W module power Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 143: Common Parameters
71 mm x 138 mm x 25 mm x D) Net weight ≤ 550 g DC input and Staubli MC4 output terminals Operating –40°C to +85°C temperature Storage –40°C to +70°C temperature Operating humidity 0–100% RH Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 144 Technical SUN2000-3 SUN2000-4 SUN2000-5 SUN2000-6 SUN2000-8 SUN2000-1 Specificatio KTL-M1 KTL-M1 KTL-M1 KTL-M1 KTL-M1 0KTL-M1 Minimum optimizer number per string Maximum optimizer number per string Maximum 10,000 W DC power per string Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 145: A Grid Code
England 230 V power grid (I < 16 A) G83-Scotland Scotland 240 V power grid (I < 16 CEI0-21 Italy power grid EN50438-CZ Czech power grid RD1699/661 Spain LV power grid EN50438-NL Netherlands power grid Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 146 India LV power grid ZAMBIA Zambia LV power grid Chile Chile LV power grid Malaysian Malaysia LV power grid KENYA_ETHIOPIA Kenya LV and Ethiopia power grids NIGERIA Nigeria LV power grid Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 147 DG-grid hybrid power grid ARGENTINA Argentina power grid Mauritius Mauritius power grid EN50438-SE Sweden LV power grid Austria Austria power grid UK G98 power grid G99-TYPEA-LV UK G99_TypeA_LV power grid AS4777-WP Australia power grid Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 148: B Device Commissioning
SUN2000-(3KTL-10KTL)-M1 User Manual B Device Commissioning Device Commissioning Step 1 Access Device Commissioning screen. Figure B-1 Method 1: before login (not connected to the Internet) Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 150 ● When you access the Device Commissioning screen of the SUN2000 for the first time, you need to manually set the login password because the SUN2000 does not have an initial login password. Figure B-3 Quick settings ----End Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 151: Resetting Password
Obtain the initial WLAN hotspot name (SSID) and initial password (PSW) from the label on the side of the SUN2000 and connect to the app. On the login screen, set a new login password and log in to the app. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 152 Figure C-2 Setting router parameters ● Setting management system parameters Log in to the FusionSolar app, choose Device Commissioning > Settings > Communication configuration > Management System Configuration, and set management system parameters. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 153 (Optional) Resetting the WLAN password Log in to the FusionSolar app, choose Device Commissioning > Settings > Communication configuration > Inverter WLAN settings, and reset the WLAN password. Figure C-4 Resetting the WLAN password ----End Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 154: Rapid Shutdown
Method 3: To enable the rapid shutdown function, you need to connect the access switch to pins 13 and 15. The switch is closed by default. The rapid shutdown is triggered when the switch changes from closed to open. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 155: E Locating Insulation Resistance Faults
ON/OFF on the app and send a shutdown command. Set the DC switch to OFF and go to Step 2 to connect another PV string to the solar inverter for a check. Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 156 – If the Low Insulation Resistance alarm is not reported one minute after the DC is supplied, the inspection on the PV string is complete. Choose Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 157 Set the DC switch to ON. If the solar inverter status is Shutdown: Command, choose Device Commissioning > Maintenance > Inverter ON/OFF on the app and send a startup command. ----End Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.
Page 158: Acronyms And Abbreviations
SUN2000-(3KTL-10KTL)-M1 User Manual F Acronyms and Abbreviations Acronyms and Abbreviations light emitting diode maximum power point MPPT maximum power point tracking photovoltaic Issue 01 (2020-09-30) Copyright © Huawei Technologies Co., Ltd.

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