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SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual

About This Document

Issue 01 (2018-05-21)

Huawei Proprietary and Confidential

Copyright © Huawei Technologies Co., Ltd.

ii

About This Document

Purpose

This document describes the SUN2000-3.8KTL-USL0, SUN2000-5KTL-USL0,
SUN2000-7.6KTL-USL0, SUN2000-9KTL-USL0, SUN2000-10KTL-USL0, and
SUN2000-11.4KTL-USL0 (SUN2000 for short) in terms of installation, electrical connections,
commissioning, maintenance, and troubleshooting. Understand the safety information and get
familiar with the SUN2000 functions and features before installing and operating the
SUN2000.

Intended Audience

This document is intended for:



PV plant operation personnel and qualified electrical technicians responsible for
installing, wiring, commissioning, maintaining, and troubleshooting the SUN2000



Personnel using the app to view data and carry out operations

Symbol Conventions

The symbols that may be found in this document are defined as follows.

Symbol

Description

Indicates an imminently hazardous situation which, if not
avoided, will result in serious injury or death.

Indicates a potentially hazardous situation which, if not
avoided, could result in serious injury or death.

Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury.

Indicates a potentially hazardous situation which, if not
avoided, could result in equipment damage, data loss,
performance deterioration, or unanticipated results.

NOTICE is used to address practices not related to personal
injury.

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Summary of Contents for SUN2000 Series

Page 1: ...SUN2000 3 8KTL 11 4KTL USL0 User Manual Issue 01 Date 2018 05 21 HUAWEI TECHNOLOGIES CO LTD ...

Page 2: ... 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 without warranties guarantees or representations of any kind either express or implied The information in this docum...

Page 3: ...personnel and qualified electrical technicians responsible for installing wiring commissioning maintaining and troubleshooting the SUN2000 Personnel using the app to view data and carry out operations Symbol Conventions The symbols that may be found in this document are defined as follows Symbol Description Indicates an imminently hazardous situation which if not avoided will result in serious inj...

Page 4: ...lls attention to important information best practices and tips NOTE is used to address information not related to personal injury equipment damage or environment deterioration Change History Changes between document issues are cumulative The latest document issue contains all updates made in previous issues Issue 01 2018 05 21 This issue is used for first office application FOA ...

Page 5: ...allation Position 21 4 4 Installing the Mounting Bracket 25 4 4 1 Wall Mounted Installation 26 4 4 2 Support Mounted Installation 27 4 5 Installing the SUN2000 30 4 6 Optional Installing a SIM Card 32 5 Electrical Connections 34 5 1 Preparing Cables 35 5 2 Installing the Pipe Fittings 40 5 3 Electrical Connections 43 5 3 1 Connecting the AC Output Power Cable 43 5 3 2 Connecting the PV Input Power...

Page 6: ... 3 4 2 Energy Storage Control 89 7 4 3 5 Starting or Shutting Down the SUN2000 92 7 4 3 6 Restoring Factory Defaults 93 7 4 3 7 Clearing Data 94 7 4 3 8 Starting AFCI Check 95 7 4 3 9 Adjusting Total Energy Yield 95 7 4 3 10 Restarting the SUN2000 96 7 4 4 Quick Setting 97 7 4 5 Setting Grid Connection Parameters 100 7 4 5 1 Setting Grid Parameters 101 7 4 5 2 Protection Parameters 103 7 4 5 3 Fea...

Page 7: ...hooting 132 8 System Maintenance 134 8 1 Routine Maintenance 134 8 2 Parts Replacement 135 8 2 1 Replacing the Power Compartment 135 8 3 SUN2000 Troubleshooting 142 9 Handling the SUN2000 152 9 1 Removing the SUN2000 152 9 2 Packing the SUN2000 152 9 3 Disposing of the SUN2000 152 10 Technical Specifications 153 A Grid Codes 160 B Acronyms and Abbreviations 162 ...

Page 8: ...structions given by Huawei Huawei will not be liable for any consequence caused by the violation of the safety operation regulations and design production and usage standards Disclaimer Huawei shall not be liable for any consequence caused by any of the following events Damage during transportation Storage conditions that do not meet the requirements specified in this document Incorrect storage in...

Page 9: ...working principles of the grid tied PV system and be aware of local regulations Operation personnel must wear proper personal protective equipment PPE Protecting Labels Do not scrawl or damage any labels on the SUN2000 enclosure These labels contain important information about safe operation Do not scrawl or damage the nameplate on the SUN2000 enclosure This nameplate contains important product in...

Page 10: ...Do not remove the terminals and ports at the bottom of the SUN2000 Electrical Connections Before connecting cables ensure that the SUN2000 is secured in position and not damaged in any way Otherwise electric shock or fire may occur Ensure that all electrical connections comply with local electrical standards Obtain approval from the local utility company before using the SUN2000 to generate electr...

Page 11: ...ture Follow local laws and regulations when operating the equipment Maintenance and Replacement High voltage may cause an electric shock which results in serious property damage serious injury or death or serious property damage from the SUN2000 in operation Prior to maintenance power off the SUN2000 and strictly comply with the safety precautions in this document and associated documents when ope...

Page 12: ...y PV strings into AC power and feeds the power into the power grid Models This document involves the following product models SUN2000 3 8KTL USL0 SUN2000 5KTL USL0 SUN2000 7 6KTL USL0 SUN2000 9KTL USL0 SUN2000 10KTL USL0 SUN2000 11 4KTL USL0 Each of the preceding product models has two editions 4G and WLAN The products look alike The SUN2000 3 8KTL USL0 is used as an example Figure 2 1 Model numbe...

Page 13: ... to a residential rooftop grid tied system Typically a grid tied system consists of the PV string grid tied inverter power distribution unit PDU and electricity meter Figure 2 2 Networking application dashed boxes indicate optional components indicates the power flow direction indicates the signal cable indicates the signal flow SUN2000 3 8KTL USL0 SUN2000 5KTL USL0 SUN2000 7 6KTL USL0 supports tw...

Page 14: ...lowing power grids are in L1 L2 N mode The output mode needs to be set to L1 L2 N To set the output mode choose Grid connect config Expert Grid parameters on the Home screen of the FusionHome app Figure 2 3 Power grid types L1 L2 N The following power grids are in L1 L2 mode The output mode needs to be set to L1 L2 To set the output mode choose Grid connect config Expert Grid parameters on the Hom...

Page 15: ... 2018 05 21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 8 Figure 2 4 Power grid types L1 L2 2 2 Appearance Enclosure Appearance Figure 2 5 Front view 1 Host panel 2 LEDs 3 Maintenance compartment door Table 2 2 describes the LED indicators ...

Page 16: ...s Blinking green at long intervals on for 1s and then off for 1s The DC is on the AC is on and the SUN2000 is not exporting power to the power grid Steady orange Steady orange The SUN2000 is running in backup state Blinking orange at long intervals Off The DC is on and the SUN2000 has no output in backup state Off Off Both the DC and AC are off or the SUN2000 is in Low Power Consumption mode Low P...

Page 17: ...mobile phone accesses the SUN2000 the LED indicates the mobile phone access status blinking green at long intervals first Blinking green at long intervals on for 1s and then off for 1s A mobile phone is connected to the SUN2000 Off No communication Port Description Figure 2 6 Bottom of the SUN2000 3 8KTL USL0 No Component No Component 1 DC switch 2 Antenna port 3 Battery cable hole 4 Ventilation v...

Page 18: ...21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 11 Enclosure Dimensions Figure 2 7 shows the SUN2000 enclosure dimensions Figure 2 7 Enclosure dimensions SUN2000 3 8KTL 5KTL 7 6KTL USL0 Figure 2 8 Enclosure dimensions SUN2000 9KTL 10KTL 11 4KTL USL0 ...

Page 19: ...ce When a PV module is exposed to sunlight it supplies DC power to the SUN2000 The DC conductors of the PV system are not grounded and may be energized The DC conductors of the PV system are not grounded under normal conditions However the DC conductors may be intermittently grounded unexpectedly when the SUN2000 is measuring the insulation resistance at the PV side Burn warning Do not touch a run...

Page 20: ...uch current earth connection essential before connecting supply Operation warning Incorrect connection of the DC and AC cables will result in serious damage to the inverter Indicator status description label Describes the indicator status SUN2000 serial number SN label Indicates the SUN2000 SN SUN2000 MAC address label Indicates the MAC address QR code for SUN2000 WiFi connection Scan the QR code ...

Page 21: ...y multiple persons The labels are for reference only Nameplate Figure 2 9 Nameplate of the SUN2000 3 8KTL USL0 1 Trademark and product model 2 Important technical specifications 3 Compliance symbols 4 Company name and country of manufacture The nameplate figure is for reference only Table 2 4 Compliance symbol Symbol Name Meaning EU waste electrical and electronic equipment WEEE mark Do not dispos...

Page 22: ...er circuit Surge protection is supported on both the DC and AC sides The SUN2000 uses a battery port to connect to batteries which are used to store the surplus power produced by PV strings and not required by local loads To meet peak power consumption requirements and maximize benefits the power stored in batteries can be exported to the power grid based on the load condition Figure 2 10 Conceptu...

Page 23: ...y checks its status and enters Operating mode once the operating requirements are met The SUN2000 enters Shutdown mode after detecting a shutdown command or a fault after startup Operating In Operating mode The SUN2000 converts DC power from PV strings into AC power and feeds the power to the power grid The SUN2000 controls optimizers to track the maximum power point to maximize the PV string outp...

Page 24: ...ial Copyright Huawei Technologies Co Ltd 17 Working Mode Description Shutdown 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 detecting that the fault has been rectified ...

Page 25: ... the humidity at 5 95 RH The SUN2000 should be stored in a clean and dry place and be protected from dust and water vapor corrosion A maximum of 10 SUN2000s can be stacked To avoid personal injury or device damage stack SUN2000s with caution to prevent them from falling over Regular inspection is required during the storage Replace the packing materials when necessary After long term storage an in...

Page 26: ...nd cracks and check the SUN2000 model If any damage is found or the SUN2000 model is not what you requested do not unpack the product and contact your supplier as soon as possible You are advised to remove the packing materials no more than 24 hours before installing the SUN2000 Package Contents After unpacking the SUN2000 check that the contents are intact and complete If any damage is found or a...

Page 27: ...ls and Instruments Category Tools and Instruments Installation Hammer drill with a Ф10 mm drill bit Torque socket wrench Torque wrench Diagonal pliers Wire stripper Torque screwdriver Rubber mallet Utility knife Cable cutter Heat shrink tubing Heat gun Cable tie Vacuum cleaner Multimeter DC voltage measurement range 600 V DC Marker Measuring tape Level Stud finder ...

Page 28: ... fire Do not install the SUN2000 outdoors in salt areas A salt area refers to the region within 500 meters from the coast or prone to sea breeze The regions prone to sea breeze vary depending on weather conditions such as typhoons and monsoons and terrains such as dams and hills Installation Environment Requirements The SUN2000 must be installed in a well ventilated environment to ensure good heat...

Page 29: ... installation angle requirements are as follows Install the SUN2000 vertically or at a maximum back tilted angle of 15 degrees to facilitate heat dissipation Do not install the SUN2000 at forward tilted excessively back tilted side tilted horizontal or upside down positions Figure 4 1 Installation angle Installation Space Requirements Reserve enough clearance around the SUN2000 to ensure sufficien...

Page 30: ...ial Copyright Huawei Technologies Co Ltd 23 Figure 4 2 Installation space requirements When installing multiple SUN2000s install them horizontally if sufficient space is available Otherwise install them in a staggered arrangement Stacked installation is not recommended Figure 4 3 Horizontal installation recommended ...

Page 31: ...UN2000 3 8KTL 11 4KTL USL0 User Manual 4 System Installation Issue 01 2018 05 21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 24 Figure 4 4 Staggered installation recommended ...

Page 32: ...llation Issue 01 2018 05 21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 25 Figure 4 5 Stacked installation not recommended 4 4 Installing the Mounting Bracket Figure 4 6 Mounting bracket location SUN2000 3 8KTL 5KTL 7 6KTL USL0 ...

Page 33: ...KTL USL0 4 4 1 Wall Mounted Installation Prerequisites User supplied bolts are required for wall mounted installation Table 4 1 User supplied bolts Load Bea ring Structure Tighte ning Screw Screw Quantit y Screw Appearance Hole Combination in the Marking off Template Frame post recomme nded M6 tapping screw 4 PCS Brick wall Fiber cement composite panel M6 expans ion bolt 4 PCS Plywood M6 expans io...

Page 34: ... structure tightening screws need to be installed at the frame post Use a stud finder to find the frame post behind the wall panel Step 2 Install tightening screws Avoid drilling holes into the utility pipes and or cables attached to the back of the wall Step 3 Secure the mounting bracket Figure 4 8 Wall mounted installation 1 Frame post 2 Wall panel 3 Bottom alignment line for the mounting bracke...

Page 35: ... Determine the positions for drilling holes using the marking off template Level the positions of mounting holes using a level and mark the positions with a marker Figure 4 9 Determining hole positions 1 Bottom alignment line for the mounting bracket top Step 2 Drill holes using a hammer drill You are advised to apply anti rust paint on to the hole positions for protection ...

Page 36: ... 8KTL 11 4KTL USL0 User Manual 4 System Installation Issue 01 2018 05 21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 29 Figure 4 10 Drilling holes Step 3 Secure the mounting bracket ...

Page 37: ...wei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 30 Figure 4 11 Securing a mounting bracket End 4 5 Installing the SUN2000 Procedure Step 1 Hold the handles on both sides of the SUN2000 lift the SUN2000 from the packing case and move it to the installation position ...

Page 38: ...wiring terminals and ports at the bottom to support any weight of the SUN2000 When you need to temporally place the SUN2000 on the ground use foam paper or other protective materials to prevent damage to its enclosure Figure 4 12 Moving a SUN2000 Step 2 Install the SUN2000 on the mounting bracket and tighten screw assemblies Step 3 Optional Install an anti theft lock The function of an anti theft ...

Page 39: ... mm 031 in lock hole diameter The anti theft lock is supplied by the customer Keep the key to the anti theft lock safe Figure 4 13 Tightening screw assemblies End 4 6 Optional Installing a SIM Card Prerequisites The 4G function is configured The 4G function requires a SIM card size 25 mm x 15 mm 0 98 in x 0 59 in The SIM card is supplied by the customer AT T and T Mobile SIM cards are both support...

Page 40: ...during rainfall or snowfall If you must take protective measures to prevent rain or snow from entering the maintenance compartment Do not leave unused screws in the maintenance compartment Procedure Step 1 Remove the cover of the maintenance compartment and install a SIM card Figure 4 14 Installing a SIM card Install the SIM card in the direction shown on the arrow on the card slot To install the ...

Page 41: ...e caused by incorrect cable connections is not covered by the warranty Only certified electricians are allowed to connect cables Operation personnel must wear proper PPE all the time when connecting cables The cable colors shown in the electrical connection diagrams provided in this chapter are for reference only Select cables in accordance with local cable specifications green and yellow cables a...

Page 42: ...dential Copyright Huawei Technologies Co Ltd 35 5 1 Preparing Cables Figure 5 1 Networking application dashed boxes indicate optional components SUN2000 3 8KTL 5KTL 7 6KTL USL0 supports two PV string inputs SUN2000 9KTL 10KTL 11 4KTL USL0 supports three PV string inputs In the example two PV string inputs are used ...

Page 43: ...hased by the customer B Emergency stop switch Normally closed NC contact The UL certification is required for the emergency stop switch Purchased by the customer C PV string A PV string is composed of PV modules connected in series PV modules can work with an optimizer The recommended optimizer model is SUN2000 375W USP0 SUN2000 3 8KTL 5KTL 7 6KTL USL0 supports two PV string inputs SUN2000 9KTL 10...

Page 44: ...50 A SUN2000 9KTL 10KTL USL0 60 A SUN2000 11 4KTL USL0 Purchased by the customer Note a There are two ground points power grid side and user side for residential power distribution in the U S If the general loop to residence has a leakage protection device there may be a risk of misprotection Connecting the SUN2000 may increase the risk It is recommended that the leakage protection device be reloc...

Page 45: ...able Purchased by the customer 4 PV input power cable PV cable that meets the 600 V standard Use cables that can withstand 90 C 194 F or 105 C 221 F Single core outdoor copper cable 10 8 AWG Purchased by the customer Optional Ground cable at the PV side GND Use cables that can withstand 90 C 194 F or 105 C 221 F Single core outdoor copper cable 6 AWG Purchased by the customer 5 Battery cable PV ca...

Page 46: ...tion SUN2000 9KTL 10KTL 11 4KTL USL0 No Cable Type Conductor Cross sectional Area Range Source 1 Energy meter signal cable Multi paired and individually foil shielded cable that complies with UL2919 CM CMG NEC type or CMH CSA type 24 16 AWG Purchased by the customer 2 Emergency stop switch signal cable Purchased by the customer 3 Battery signal cable Purchased by the customer 4 PV input power cabl...

Page 47: ...tomer 7 Home load AC output power cable Use cables that can withstand 90 C 194 F or 105 C 221 F If the output mode is set to single phase three wire use four single core outdoor copper cables L1 N L2 PE If the output mode is set to single phase two wire use three single core outdoor copper cables L1 L2 PE L1 N L2 6 4 AWG SUN2000 9KT L 10KTL USL0 4 AWG SUN2000 11 4 KTL USL0 PE 6 AWG Purchased by th...

Page 48: ...8KTL 5KTL 7 6KTL USL0 1 Battery cable hole BAT 2 Signal cable hole COM 3 DC cable hole PV 4 Critical load cable hole BACKUP 5 Home load cable hole AC GRID Figure 5 4 Cable hole diameters SUN2000 9KTL 10KTL 11 4KTL USL0 1 Battery cable hole BAT 2 Signal cable hole COM 3 DC cable hole PV 4 Critical load cable hole BACKUP 5 Home load cable hole AC GRID The following figure shows a pipe for routing ca...

Page 49: ...ofing bolt Step 2 Secure the pipe fitting to the enclosure using the nut provided with the pipe Step 3 Route cables through the conduit and then secure the conduit to the pipe fitting Step 4 Check that the cables are connected correctly and securely Then take appropriate measures to ensure that the pipe conduit and fitting are secured reliably and seal the cable holes Figure 5 6 Installing a pipe ...

Page 50: ...ted from the power grid Do not connect loads between the SUN2000 and the AC switch Step 1 Install the pipe fittings For details see 5 2 Installing the Pipe Fittings Step 2 Route the AC output power cable through the conduit and then the fitting of the pipe Step 3 Connect the AC output power cable to the terminal block Step 4 Secure the fitting to the conduit Step 5 Check that the cables are connec...

Page 51: ...the SUN2000 to malfunction or cause damage to its terminal block due to issues such as overheating Any such damage is not covered by the warranty The cable colors shown in following figures are for reference only Select an appropriate cable according to local standards In the following figure 1 0 mm x 5 5 mm 0 04 in x 0 22 in is the thickness and width of the screwdriver blade Figure 5 7 SUN2000 3...

Page 52: ...ser Manual 5 Electrical Connections Issue 01 2018 05 21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 45 Figure 5 8 SUN2000 3 8KTL 5KTL 7 6KTL USL0 L1 L2 Figure 5 9 SUN2000 9KTL 10KTL 11 4KTL USL0 L1 L2 N ...

Page 53: ...pipe fittings For details see 5 2 Installing the Pipe Fittings Step 2 Route the AC output power cable through the conduit and then the fitting of the pipe Step 3 Connect the AC output power cable to the terminal block Step 4 Secure the fitting to the conduit Step 5 Check that the cables are connected correctly and securely Then take appropriate measures to ensure that the pipe conduit and fitting ...

Page 54: ... AC terminations are secured Failure to do so may cause the SUN2000 to malfunction or cause damage to its terminal block due to issues such as overheating Any such damage is not covered by the warranty The cable colors shown in the following figures are for reference only Select an appropriate cable according to local standards Figure 5 11 SUN2000 3 8KTL 5KTL 7 6KTL USL0 ...

Page 55: ...e terminals may cause electric shock Before connecting PV input power cables ensure that the DC SWITCH of the SUN2000 is OFF and that the DC input terminals of the SUN2000 have no voltage When the SUN2000 is running operations on the PV input power cable such as connecting or disconnecting a PV string or a PV module in a PV string are not permitted due to the risk of electric shock If no PV string...

Page 56: ...t be grounded ensure that the PV module output is well insulated to ground During the installation of PV strings and SUN2000 the positive or negative terminals of PV strings may be grounded if power cables are not properly installed or routed In this case an AC or DC short circuit may occur and damage the SUN2000 Any such damage is not covered by the warranty Procedure Step 1 Install the pipe fitt...

Page 57: ...KTL USL0 User Manual 5 Electrical Connections Issue 01 2018 05 21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 50 Figure 5 13 Connecting the PV input power cable SUN2000 3 8KTL 5KTL 7 6KTL USL0 ...

Page 58: ...trical Connections Issue 01 2018 05 21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 51 Figure 5 14 Connecting the PV input power cable SUN2000 9KTL 10KTL 11 4KTL USL0 End 5 3 3 Connecting the Battery Cable Prerequisites ...

Page 59: ...n electric shock A battery switch can be configured between the SUN2000 and the battery to ensure that the SUN2000 can be safely disconnected from the battery Do not connect loads between the SUN2000 and the battery The SUN2000 could be damaged or even become a fire hazard if the following conditions are not met Overcurrent protection for the battery input circuit is to be provided by the customer...

Page 60: ...nd fittings are secured reliably and seal the cable holes Step 6 Keep the maintenance compartment clean Exposure to battery voltage can result in serious injury Use dedicated insulation tools to connect cables Ensure that cables are correctly connected between the terminals on the battery and the battery switch and between the battery switch and the battery terminal on the SUN2000 Cables with high...

Page 61: ...4 Connecting the Signal Cables Context When laying out signal cables separate them from power cables to minimize signal interference Figure 5 17 COM port Table 5 4 COM port definitions No Device Label Definition Description 1 EMERGE NCY STOP switch RSS EMERGENCY STOP switch signal input Can connect to the signal port NC on the emergency stop switch 2 RSS 3 Battery EN Enable signal Can connect to t...

Page 62: ...N A N A N A N A 10 N A N A N A N A Procedure Step 1 Install the pipe fittings For details see 5 2 Installing the Pipe Fittings Step 2 Route the signal cable through the conduit and then the fitting of the pipe Step 3 Connect the signal cable to the corresponding terminal block and clamp the shield layer of the cable into the ground point Step 4 Secure the fitting to the conduit Step 5 Check that t...

Page 63: ...1 4KTL USL0 User Manual 5 Electrical Connections Issue 01 2018 05 21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 56 Figure 5 18 Connecting the signal cables SUN2000 3 8KTL 5KTL 7 6KTL USL0 ...

Page 64: ...ables SUN2000 9KTL 10KTL 11 4KTL USL0 End 5 3 5 Optional Installing an Antenna Prerequisites An antenna is configured 4G and WLAN antennas can be installed in the same way The following describes the installation of a 4G antenna Ensure that the pad for the antenna is installed correctly Procedure Step 1 Remove the watertight cap from the ANT port Step 2 Install the pad Step 3 Install the antenna ...

Page 65: ...L USL0 User Manual 5 Electrical Connections Issue 01 2018 05 21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 58 Ensure that the antenna is installed securely Figure 5 20 Installing an antenna End ...

Page 66: ...customer 5 Cable tie Cable ties are secured evenly with no sharp protrusions 6 Grounding The ground cable is connected correctly securely and reliably 7 Switches The DC switch and all the switches connecting to the SUN2000 are in the OFF position 8 Cable connections The AC output power cable DC input power cable battery cable and signal cable are connected correctly securely and reliably 9 Unused ...

Page 67: ... is turned on If there is a power grid outage the SUN2000 will assume a power off state regardless of whether sunlight is sufficient or a battery is configured The LEDs will turn off Procedure Step 1 If a battery connects to the battery port of the SUN2000 turn off the battery Auxiliary Power ON OFF switch and then turn off the battery Circuit Breaker switch Step 2 Turn on the AC switch between th...

Page 68: ... 1s Blinking green at long intervals on for 1s and then off for 1s The DC is on the AC is on and the SUN2000 is not exporting power to the power grid Steady orange Steady orange The SUN2000 is running in backup state Blinking orange at long intervals Off The DC is on and the SUN2000 has no output in backup state Off Off Both the DC and AC are off or the SUN2000 is in Low Power Consumption mode Low...

Page 69: ...2000 If the SUN2000 is connected to the battery ensure that a shutdown command is sent from the app Power off the system after the SUN2000 has shut down If no shutdown command is sent from the app the SUN2000 will shut down after the power grid is powered off The SUN2000 will wait for 1 minute and restart not grid tied and charge the battery which poses an electrical hazard when you turn off the D...

Page 70: ...d tied and backup modes Automatic Switching Step 1 On the Home screen of the FusionHome app choose Grid connect config Expert Feature parameters set Off grid mode to Enable and set Grid tied Off grid mode switching to Automatic switching The switching time is less than 6s The default value of Off grid mode is Disable The default value of Grid tied Off grid mode switching is Manual switching Figure...

Page 71: ...power grid outage the SUN2000 in the grid tied state shuts down Step 3 After you press the backup enable button the SUN2000 switches to the backup state Figure 6 3 Pressing the backup enable button Step 4 When the power grid resumes normal functioning the SUN2000 keeps running in the backup state Step 5 After you press the backup enable button again to release it the SUN2000 switches to the grid t...

Page 72: ...2000 3 8KTL 11 4KTL USL0 User Manual 6 System Commissioning Issue 01 2018 05 21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 65 Figure 6 4 Releasing the backup enable button End ...

Page 73: ...guring parameters and performing routine maintenance and commissioning Connection Method After the DC or AC side of the SUN2000 is energized the app can connect to the SUN2000 in either of the following ways Method 1 The mobile phone connects to the SUN2000 directly Figure 7 1 Mobile phone connecting to the SUN2000 directly Method 2 The mobile phone connects to the SUN2000 through a router Do not ...

Page 74: ...ung and iPhone The mobile phone must support the access to the Internet over a web browser The mobile phone must support WiFi The router supports WiFi IEEE 802 11 b g n 2 4 GHz and be within range of the SUN2000 Disclaimer The app screen snapshots provided in this document correspond to FusionHome 2 1 11 300 The figures are for reference only User Operation Permissions The app users are classified...

Page 75: ...p stores in the following list download the installation package and install the FusionHome app by following the instructions Google Play Android Huawei App Store Android App Store iOS After the app is installed the FusionHome icon is displayed on the home screen Tap the FusionHome icon to access the home screen of the app Home Screen on Android The home screen on Android contains WiFi Inverter an...

Page 76: ...he DC or AC side of the SUN2000 has been energized The WiFi function is enabled on the mobile phone When connecting to the SUN2000 directly from the mobile phone keep the mobile phone visible within 3 meters of the SUN2000 4G to ensure the communication quality between the app and SUN2000 When connecting to the SUN2000 directly from the mobile phone keep the mobile phone visible within 3 meters of...

Page 77: ... the connection is established the Inverter screen is displayed If your mobile phone fails to connect to the SUN2000 or router WiFi network from the app try to connect to the WiFi network from your mobile phone system To connect to the router over WiFi from the mobile phone system ensure that you have logged out of the app Method 1 The mobile phone connects to the SUN2000 directly Run the app tap ...

Page 78: ...e following two ways Select either way based on site requirements After the connection succeeds the Inverter screen is displayed Method 1 The mobile phone connects to the SUN2000 directly a Run the app and tap Tap to go to system settings and select WiFi network to access the setting screen of the mobile phone Choose Settings WLAN and tap the SUN2000 WiFi name The name of the connected SUN2000 WiF...

Page 79: ...2000 over a router Do not use this method for the first login Ensure that the SUN2000 has connected to the router a If the SUN2000 WiFi network is connected to a router tap Tap to go to system settings and select WiFi network to access the setting screen of the mobile phone Choose Settings WLAN and tap the router WiFi name b Enter the router WiFi password to establish a connection c Run the app Th...

Page 80: ...cts of the screens may look somewhat different The pictures in this guide are for reference only 7 4 App Operations by the Installer 7 4 1 Logging In to the App Prerequisites The corresponding SUN2000 is displayed on the Inverter screen Procedure Step 1 On the Inverter screen select installer enter the password and log in to the app The name of the connected SUN2000 is represented by its SN which ...

Page 81: ...isplayed The Quick setting screen is displayed only when the SUN2000 connects to the app for the first time or the factory defaults of the SUN2000 are restored Step 3 Perform quick setting Before setting the grid code ensure that the DC side of the inverter is energized The Quick setting screen is displayed only when the SUN2000 connects to the app for the first time or the factory defaults of the...

Page 82: ...SUN2000 3 8KTL 11 4KTL USL0 User Manual 7 Operations on the Local FusionHome App Issue 01 2018 05 21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 75 Figure 7 13 Quick setting ...

Page 83: ...stem and manage the inverter For the operations about how to add devices see 7 4 3 1 Adding Deleting Devices After quick setting is complete tap Switch to Router WiFi to switch to the Available WiFi networks nearby screen and tap the corresponding router WiFi connection to switch to the router WiFi network To connect to the router WiFi network from the mobile phone system after router parameters h...

Page 84: ...d tap the corresponding router WiFi connection to switch to the router WiFi network To connect to the router WiFi network from the mobile phone system after router parameters are successfully set you need to log out of the app and log in again After the management system is successfully connected the SUN2000 will report the SN and installer registration code If the connection fails another connect...

Page 85: ...Proprietary and Confidential Copyright Huawei Technologies Co Ltd 78 Figure 7 16 Device status Querying Alarms You can query active and historical alarms To set the sorting mode for active alarms or historical alarms tap To query the historical alarms within a certain time range tap and select the time range ...

Page 86: ...n the Local FusionHome App Issue 01 2018 05 21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 79 Figure 7 17 Alarm management Querying Power Curves You can query the current day power curve and energy yield Figure 7 18 Power curve ...

Page 87: ...8 05 21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 80 Querying Energy Yields You can query daily monthly yearly and historical energy yields Figure 7 19 Energy yield stat 7 4 3 Maintaining the Devices To maintain the devices choose Device maint from the Home screen ...

Page 88: ...3 1 Adding Deleting Devices Procedure Step 1 On the Home screen choose Device maint Add Delete device and add an energy meter and battery based on actual needs Tap Submit to deliver the device information to the SUN2000 You can also tap Search next to Optimizer to automatically locate the string number and position of an optimizer and then add the optimizer Each device must have a unique communica...

Page 89: ...normal functioning the SUN2000 can be restarted If the optimizer is changed after the system deployment optimizer search must be performed Figure 7 21 Adding Deleting devices Table 7 1 Description of the parameters for adding a battery Parameter Description Value Range Comm addr Specifies the RS485 address of the connected battery The address should be the actual address of the battery 1 247 Batte...

Page 90: ...r the energy storage module added successfully The maximum discharging power is limited by the maximum output power of the SUN2000 and whether the Feed power into grid function is enabled SUN2000 3 8KTL 5KT L 7 6KTL USL0 configurable range 0 3500 SUN2000 9KTL 10KTL 11 4KTL USL0 configurable range 0 5000 Full Charging Capacity Specifies the battery charging cutoff capacity It is displayed after the...

Page 91: ...ng number automatically allocated by the inverter after optimizer search is performed The value starts from 1 and cannot be set 1 3 Location After optimizer search is performed the optimizer implements sequencing based on the voltage to ground and then provides the simulated location 1 25 End 7 4 3 2 Upgrading Devices Prerequisites You have obtained the upgrade file through your supplier or Huawei...

Page 92: ...01 2018 05 21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 85 Procedure Step 1 On the Home screen choose Device maint Upgrade device and follow the instructions The SUN2000 and battery are used to illustrate the upgrade method Figure 7 22 Upgrading the SUN2000 ...

Page 93: ... are DC TO DC converter and Battery management system upgrade packages for the battery Choose one or both of the upgrade packages based on actual needs End 7 4 3 3 Performance Data Procedure Step 1 On the Operation console screen choose Device maint Performance data and then query the charge and discharge power of the battery or the power of the meter Battery performance data is used to illustrate...

Page 94: ...FusionHome App Issue 01 2018 05 21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 87 Figure 7 24 Performance data End 7 4 3 4 Energy Control On the Operation console screen choose Device maint Energy control and perform the required operation ...

Page 95: ...on Figure 7 26 Grid tied point control Table 7 4 Description of control mode parameters Parameter Description Value Range Control mode If this parameter is set to Default the SUN2000 output power is not limited The SUN2000 can export its rated power to the power grid If this parameter is set to Grid connection with zero power and the SUN2000 is connected to a power meter the output power of the SU...

Page 96: ... and the SUN2000 is connected to a power meter the SUN2000 supplies power limited based on the setting of Grid tied Point Power to the power grid End 7 4 3 4 2 Energy Storage Control Control Mode Step 1 On the Operation console screen choose Device maint Energy control Energy storage control Control mode and perform the required operation Figure 7 27 Fixed charge discharge Figure 7 28 Maximum use ...

Page 97: ... during the configured period A maximum of 10 time periods can be added If this parameter is set to Maximum use of self produced power and the SUN2000 is connected to a power meter the battery is charging when the PV power is more than the local load The battery is discharging when the PV power is less than the local load If this parameter is set to Time of use price the battery is discharged when...

Page 98: ...iption Value Range Charge discharge power The battery is charging or discharging when the command is set Stop Charge power Discharge power Forcible chg dis pwr kW Specifies the forced charge discharge power Charge 0 Maximum charge power Discharge 0 Maximum discharge power Forcible chg dis time mins Specifies the forced charge discharge duration 0 1440 Remaining charge discharge time mins Displays ...

Page 99: ...ry with gird power The power grid will charge the battery if Charge battery with gird power is enabled Charge battery with gird power is set to Disable by default If this function is enabled comply with the grid charge requirements stipulated in local laws and regulations Disable Enable End 7 4 3 5 Starting or Shutting Down the SUN2000 Procedure Step 1 On the Operation console screen choose Device...

Page 100: ...Factory Defaults Context Perform this operation with caution because all configured parameters except the current date time and networking related parameters will be restored to their factory defaults This operation will not affect operating information alarm records or system logs Procedure Step 1 On the Operation console screen choose Device maint Restore defaults and then tap Confirm To restore...

Page 101: ...al Copyright Huawei Technologies Co Ltd 94 Figure 7 33 Restoring factory defaults End 7 4 3 7 Clearing Data Context If you clear data all alarms and energy yield data will be cleared Procedure Step 1 On the Operation console screen choose Device maint Clear data To clear data you need to re enter the password Figure 7 34 Clearing data ...

Page 102: ...the Operation console screen choose Device maint Start AFCI check and perform the required operation To start the AFCI check you need to re enter the password Figure 7 35 Starting AFCI check End 7 4 3 9 Adjusting Total Energy Yield Procedure Step 1 On the Operation console screen choose Device maintenance Adjust total energy yield and perform the required operation To Adjust total energy yield you...

Page 103: ...ecifies the initial value of inverter energy yield This parameter is used in SUN2000 replacement scenarios Set the initial energy yield of the new SUN2000 to the total energy yield of the old SUN2000 to ensure continuity of cumulative energy yield statistics End 7 4 3 10 Restarting the SUN2000 Procedure Step 1 On the Operation console screen choose Device maint Restart to restart the SUN2000 To re...

Page 104: ...ting To enter the Quick setting screen choose Quick setting from the Operation console screen The Quick setting screen provides two setting modes Select either of them based on site requirements To exit the setting press the Back button on the mobile phone or tap Exit on the screen Method 1 Quick Setting Step 1 Choose Quick setting from the Operation console screen and perform setting by following...

Page 105: ...SUN2000 3 8KTL 11 4KTL USL0 User Manual 7 Operations on the Local FusionHome App Issue 01 2018 05 21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 98 Figure 7 38 Quick setting ...

Page 106: ...erations about how to add devices see 7 4 3 1 Adding Deleting Devices After quick setting is complete tap Switch to Router WiFi to switch to the Available WiFi networks nearby screen and tap the corresponding router WiFi connection to switch to the router WiFi network To connect to the router WiFi network from the mobile phone system after router parameters have been successfully set you need to l...

Page 107: ...witch to the router WiFi network To connect to the router WiFi network from the mobile phone system after router parameters are successfully set you need to log out of the app and log in again After the management system is successfully connected the SUN2000 will report the SN and installer registration code If the connection fails another connection attempt will start after 10 seconds The install...

Page 108: ...td 101 Figure 7 40 Grid connect config Expert Mode To set grid parameters protection parameters feature parameters power adjustment parameters and time in expert mode choose Grid connect config Expert from the Operation console screen 7 4 5 1 Setting Grid Parameters To set grid parameters choose Grid connect config Expert Grid parameters from the Operation console screen ...

Page 109: ...e country or region where the SUN2000 is being used and the SUN2000 application scenario Before setting the grid code ensure that the DC side of the inverter is energized For details of grid codes see A Grid Codes The default value varies depending on the model Output mode L N L1 L2 N L1 L2 Auto start upon grid recovery Specifies whether the SUN2000 can start automatically after the power grid rec...

Page 110: ... the power grid 45 Vn 95 Vn Grid re con freq upper limit Hz For a specific grid code if the grid frequency exceeds the upper threshold the SUN2000 is not allowed to connect to the power grid 100 Fn 112 Fn Grid re con freq lower limit Hz For a specific grid code if the grid frequency is below the lower threshold the SUN2000 is not allowed to connect to the power grid 85 Fn 100 Fn 7 4 5 2 Protection...

Page 111: ...rotection threshold V Specifies the level 1 overvoltage protection threshold 1xVn 1 5xVn Level 1 OV protection duration ms Specifies the level 1 overvoltage protection duration 50 7200000 Level 2 OV protection threshold V Specifies the level 2 overvoltage protection threshold 1xVn 1 5xVn Level 2 OV protection duration ms Specifies the level 2 overvoltage protection duration 50 7200000 Level 1 UV p...

Page 112: ...ion duration ms Specifies the level 2 overfrequency protection duration 50 7200000 Level 1 UF protection threshold Hz Specifies the level 1 underfrequency protection threshold 0 85xFn 1xFn Level 1 UF protection duration ms Specifies the level 1 underfrequency protection duration 50 7200000 Level 2 UF protection threshold Hz Specifies the level 2 underfrequency protection threshold 0 85xFn 1xFn Lev...

Page 113: ...rameter Description Value Range MPPT multi peak scanning When the SUN2000 is used in scenarios where PV strings are obviously shaded enable this function Then the SUN2000 will perform MPPT scanning for all PV strings at regular intervals to locate the maximum power The scan interval is specified by MPPT multi peak scan interval Disable Enable MPPT multi peak scan interval min Specifies the MPPT mu...

Page 114: ... detection adaptive mode Adjusts the sensitivity of arc detection High Moderate Low OFF due to abnormal grounding This function is used to detect whether the SUN2000 is properly grounded before starting the SUN2000 or to detect whether the ground cable is disconnected when the SUN2000 is working This parameter is set to Enable by default For certain types of power grids if an isolation transformer...

Page 115: ... If it is set to 0 the heartbeat interval is 3 minutes by default 0 65535 Delay upgrade This parameter is mainly used in upgrade scenarios at night when there is no power output from the PV strings or the dawn or dusk when output is unstable Disable Enable LVRT When the grid voltage is abnormally low for a short time the SUN2000 cannot disconnect from the power grid immediately and has to work for...

Page 116: ...reshold for triggering HVRT 105 Vn 130 Vn Anti islanding protection Enables or disables the active islanding protection function Disable Enable Passive islanding Enables or disables the passive islanding protection function Disable Enable Soft start time after grid failure s Specifies the time for the power to gradually increase when the SUN2000 restarts after the power grid recovers 20 800 Off gr...

Page 117: ...d status Manual switching The SUN2000 determines the running mode based on the position of the off grid backup button located on the bottom of the unit If you press the button when there is a power grid outage the SUN2000 switches to the backup mode If you release the button after the power grid recovers the SUN2000 switches to the grid tied mode Automatic switching Manual switching 7 4 5 4 Power ...

Page 118: ...If the maximum active power equals Smax_limit this parameter is not displayed Maximum active power Smax_limit Maximum active power kW Specifies the output upper threshold for the maximum active power to adapt to different market requirements 0 1 Pmax_limit Active power change gradient s Adjusts the change speed of the SUN2000 active power 0 1 1000 Derated by fixed active power W Adjusts the active...

Page 119: ...req for exiting OF derating Hz Specifies the frequency threshold for exiting overfrequency derating When the output frequency is 50 Hz the value range is 45 00 55 00 Hz When the output frequency is 60 Hz the value range is 55 00 65 00 Hz Cutoff frequency of overfrequency Specifies the frequency threshold for cutting off overfrequency derating When the output frequency is 50 Hz the value range is 4...

Page 120: ...able Daylight saving time settings min Specifies the DST offset 240 240 Start date Specifies the DST offset start date 01 01 12 31 Start time Specifies the DST offset start time 00 00 00 23 59 59 End date Specifies the DST offset end date 01 02 12 30 End time Specifies the DST offset end time 00 00 00 23 59 59 NTP time synchronization Enables or disables NTP time synchronization Disable Enable NTP...

Page 121: ...Ltd 114 7 4 6 Communication Configuration To access the Comm config screen choose Comm config from the Operation console screen Figure 7 46 Comm config Setting Inverter WiFi Parameters To set the inverter WiFi parameters choose Comm config Inverter WiFi settings from the Operation console screen and then select the appropriate SUN2000 Figure 7 47 Inverter WiFi settings ...

Page 122: ...ble The password must be 8 to 64 characters The password cannot contain special characters long Confirm new Antenna switch mode If this parameter is set to Manual you can select either the embedded or external antenna If it is set to Automatic the system automatically detects signals received by the embedded antenna and external antenna and selects the antenna with the stronger signal The detectio...

Page 123: ...nected router settings Before the Inverter connected router settings screen is displayed the app sends a command to start scanning Then the SUN2000 starts to scan nearby WiFi networks and sends the list of WiFi networks to the app Table 7 14 Description of the parameters on the Inverter connected router settings screen Parameter Description Value Range To wireless router Enables or disables connec...

Page 124: ...will be automatically assigned If the IP address automatically assigned by the home router is not used disable this parameter Then the following parameters need to be manually assigned Disable Enable IP address Specifies the IP address of the router to which the inverter WiFi network connects Recommended Set the IP address in the same network segment as the home router IP address 1 0 0 0 223 255 2...

Page 125: ...the management system over RS485 Figure 7 49 RS485 setting Table 7 15 Description of the parameters on the RS485 setting screen Parameter Description Value Range Protocol type The SUN2000 can connect to the upper level management unit over MODBUS RTU Sunspec or AVM If the SUN2000 connects to an energy meter or battery set this parameter only to MODBUS RTU If the SUN2000 does not communicate over R...

Page 126: ...s the SUN2000 address connecting to the management system The address should not conflict with the addresses of other devices on the same bus 1 247 Configuring the Management System 1 To set the management system parameters and connect to the management system choose Comm config Management system settings from the Operation console screen Figure 7 50 Connecting to the management system Table 7 16 ...

Page 127: ...000 and the management system after being encrypted with SSL If this parameter is disabled data is transmitted between the SUN2000 and the management system as plaintext which poses security risks Disable Enable Encrypted certificate mgmt If encrypted connection to a third party network management system NMS is required replace the client certificate with the certificate provided by the third part...

Page 128: ...tion code If the connection fails another connection attempt will start after 10 seconds The installer registration code is generated by the SUN2000 automatically and is used for the installer to register with the management system and manage the inverter Figure 7 51 Connection succeeded 4G Configuration To set 4G access parameters choose Comm config 4G from the Operation console screen Figure 7 5...

Page 129: ...he SIM card SIM user name SIM user password 7 4 7 Managing Logs Context The procedure for downloading all logs and fault logsis the same as that for downloading battery logs This section describes how to download all logs Procedure Step 1 On the Operation console screen choose Log mgmt to access the Download logs screen and then download logs by following the instructions Figure 7 53 Downloading l...

Page 130: ...enu 7 4 8 1 Changing the Password To change the login password for the installer choose Change password in the upper right corner on the Operation console screen The password should meet the following requirements Contains 6 20 characters Contains at least two of the following types lowercase letters uppercase letters and digits Differs from the old password by at least two characters Figure 7 55 ...

Page 131: ...ions on the Quick setting screen The corresponding SUN2000 is displayed on the Inverter screen Procedure Step 1 On the Inverter screen tap the corresponding SUN2000 select user enter the password and log in to the app The name of the connected SUN2000 is represented by its SN which can be found on the SN label attached to the side of the SUN2000 The login password is the same as that for the SUN20...

Page 132: ...e passwords incorrectly for five consecutive times and the interval between consecutive entries is less than 2 minutes your account will be locked for 5 minutes Figure 7 57 Identity verification Step 2 If you log in successfully the home screen is displayed Figure 7 58 Home screen End 7 5 2 Querying the Device Status To query the status of each device choose Device status from the main screen ...

Page 133: ...Copyright Huawei Technologies Co Ltd 126 Figure 7 59 Querying the device status 7 5 3 Alarm Management On the home screen choose Alarm management to view active and historical alarms To set the sorting mode for active alarms or historical alarms tap To query the historical alarms within a certain time range tap and select the time range ...

Page 134: ...App Issue 01 2018 05 21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 127 Figure 7 60 Alarm management 7 5 4 Querying the Power Curve To query the current day power curve and energy yield choose Power curve from the main screen Figure 7 61 Power curve ...

Page 135: ...aily monthly and yearly energy yields Figure 7 62 Querying energy yields 7 5 6 Settings On the main screen choose Set and perform the following operations as required Figure 7 63 Settings Reset the password for user to log in to the SUN2000 The password should meet the following requirements Contains 6 20 characters Contains at least two of the following types lowercase letters uppercase letters a...

Page 136: ...gies Co Ltd 129 Figure 7 64 Change password Select the router to be connected and set parameters as required Figure 7 65 Inverter connected router settings Before the Inverter connected router settings screen is displayed the app sends a command to start scanning Then the SUN2000 starts to scan nearby WiFi networks and sends the list of WiFi networks to the app ...

Page 137: ...nnect to the router over WiFi It should be the same as the encryption level of the router This parameter is associated with the network name Not encrypted WEP_OPEN WEP_SHARED WPA WPA2 DHCP If the IP address automatically assigned by the home router is used enable this parameter Then the following parameters will be automatically assigned If the IP address automatically assigned by the home router ...

Page 138: ...alue Range Primary DNS server Specifies the address of the primary domain name service DNS server N A Secondary DNS server Specifies the address of the secondary DNS server N A Start or shut down the SUN2000 To start or shut down the SUN2000 you need to re enter the password Figure 7 66 Starting or shutting down the SUN2000 7 5 7 About To view the version information choose About from the main scr...

Page 139: ...urce is not selected The original version on the mobile phone is not deleted Upgrade the mobile phone operating system to a required version Choose Settings Security and select Allow Installation of apps from unknown sources The communication fails The mobile phone or router is more than 3 meters away from the SUN2000 so the WiFi is not connected Keep the mobile phone or router within 3 meters of ...

Page 140: ...operations Connection to the SUN2000 has been interrupted Reconnect to the SUN2000 The SUN2000 cannot be obtained An error has occurred in the WiFi connection to the app If the list still cannot be obtained after several attempts log out Then log in and try again Check whether the WiFi connection is correct No upgrade package is available for an upgrade No upgrade package is saved to the mobile ph...

Page 141: ...e system connecting cables checking the grounding reliability or doing any other maintenance first power off the system see 6 3 Powering Off the System for details Table 8 1 Maintenance check list Check Item Acceptance Criteria Maintenance Interval System cleanliness The heat sinks are free from obstacles or dust Once every 6 to 12 months System running status The SUN2000 is not damaged or deforme...

Page 142: ...maintenance once every 6 to 12 months Grounding reliability Ground cables are securely connected The first maintenance should be conducted 6 months after the initial commissioning From then on perform the maintenance once every 6 to 12 months 8 2 Parts Replacement 8 2 1 Replacing the Power Compartment Prerequisites Before replacing the power compartment perform the power off operation For details ...

Page 143: ...ssue 01 2018 05 21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 136 Figure 8 1 Removing the maintenance compartment cover Step 2 Remove the 10 pin signal terminal and 2 pin enable terminal Figure 8 2 Removing the 10 pin signal terminal ...

Page 144: ...yright Huawei Technologies Co Ltd 137 Figure 8 3 Removing the 2 pin enable terminal Step 3 Remove the USB cable optional only for the 4G model or remove the WLAN cable optional only for the WLAN model Do not remove the 4G module when removing the USB cable Figure 8 4 Removing the USB cable optional only for the 4G model ...

Page 145: ...e 01 2018 05 21 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 138 Figure 8 5 Removing the WLAN cable optional only for the WLAN model Step 4 Remove the DC cable Figure 8 6 Removing the DC cable Step 5 Remove the AC cable and the fuse cable ...

Page 146: ...wei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 139 Figure 8 7 Removing the AC cable and the fuse cable Step 6 Remove the ground cable Figure 8 8 Removing the ground cable Step 7 Remove the external four M6 screws that secure the power and maintenance compartments ...

Page 147: ...Proprietary and Confidential Copyright Huawei Technologies Co Ltd 140 Figure 8 9 Removing the screws Step 8 Remove the power compartment Figure 8 10 Removing the power compartment Step 9 Install the lower mounting kit of the new power compartment onto the mounting bracket and route cables ...

Page 148: ...compartment onto the mounting bracket Reinstall the four M6 screws to secure the power and maintenance compartments Figure 8 12 Securing the power and maintenance compartments Step 11 Reinstall the ground fuse AC and DC cables in sequence Step 12 Reinstall the USB cable optional only for the 4G model or reinstall the WLAN cable optional only for the WLAN model Step 13 Reinstall the 10 pin signal t...

Page 149: ...onnect to the power grid and generate power Warning The SUN2000 output power decreases due to external factors The reset alarm cannot be automatically cleared after the fault is rectified Choose Device info Alarm management Active alarm on the FusionHome app as shown in Figure 8 13 to manually clear it or power off the SUN2000 Powering off the SUN2000 to clear the alarm Turn off the AC output swit...

Page 150: ...s or is in poor contact After the fault is rectified manually clear the alarm and then start again Cause ID 1 string 1 Cause ID 2 string 2 2021 AFCI Self Check Failure Major Shutdown alarm reporting reset alarm Cause ID 1 2 The AFCI self check fails Turn off the AC output switch and DC input switch wait 5 minutes and then turn them on again If the fault persists contact your installer 2032 Grid Fa...

Page 151: ... within the acceptable range If it is not contact the local power operator If grid voltage is within the acceptable range modify the power grid undervoltage protection threshold with the consent of the local power operator 3 If the fault persists for a long time check the connection between the AC switch and the output power cable 2034 Grid Overvoltag e Major Shutdown alarm reporting and automatic...

Page 152: ... frequently and affects the power production of the PV plant contact the local power operator 2036 Grid Overfreque ncy Major Shutdown alarm reporting and automatic recovery after the fault is rectified Cause ID 1 Power grid exception The actual grid frequency is higher than the local power grid standard 1 If the alarm is triggered accidentally it may be due to temporary abnormalities in the power ...

Page 153: ... threshold with the consent of the local power operator 2039 Output Overcurren t Major Shutdown alarm reporting and automatic recovery after the fault is rectified Cause ID 1 The grid voltage drops dramatically or the power grid is short circuited As a result the inverter transient output current exceeds the upper threshold and which triggers the inverter protection 1 The SUN2000 monitors its exte...

Page 154: ...is rectified Cause ID 1 The PE cable for the SUN2000 is not connected The voltage between the SUN2000 neutral wire and ground exceeds the upper threshold 1 Check that the PE cable for the SUN2000 is connected properly 2 If the SUN2000 is connected to the TN power grid check whether the voltage of the neutral wire to ground is normal 3 Check whether the output is connected to an isolation transform...

Page 155: ...on and heat dissipation If the ventilation and ambient temperature both meet requirements contact your installer 2064 Device Fault Major Shutdown alarm reporting and automatic recovery after the fault is rectified Cause ID 3 An unrecoverable fault has occurred on a circuit inside the SUN2000 Turn off the AC output switch and DC input switch wait 5 minutes and then turn them on again If the fault p...

Page 156: ...ulty Minor Alarm reporting Cause ID 1 The flash memory is insufficient The flash memory has bad sectors Turn off the AC output switch and DC input switch wait 5 minutes and then turn them on again If the fault persists contact your installer 2067 Faulty Power Collector Major Alarm reporting Cause ID 1 In Grid Connection with Zero Power mode the energy meter communication is interrupted In Power li...

Page 157: ... Auxiliary Power switch on the battery is set to ON 3 Send a shutdown command on the app Turn off the AC output switch DC input switch and battery switch in order and then turn on the battery switch AC output switch and DC input switch in sequence after 5 minutes 4 If the alarm still exists contact your installer 2077 Output Overload needs to be manually cleared Major Shutdown alarm reporting and ...

Page 158: ...t is rectified Cause ID 1 PV module configuration does not meet requirements or the PV module output is reversely connected or short circuited connected ID1 The total number of PV modules is greater than 75 ID2 The number of PV modules in a string is greater than 25 ID3 The number of PV modules in a string is less than 6 ID4 The total number of PV strings is greater than 2 3 8 kW 5 kW 7 6 kW or 3 ...

Page 159: ...battery cables AC output power cables and PE cables Step 3 Remove the WiFi antenna from the SUN2000 Step 4 Remove the SUN2000 from the mounting bracket Step 5 Remove the mounting bracket End 9 2 Packing the SUN2000 If the original packaging is available put the SUN2000 inside it and then seal it using adhesive tape If the original packaging is not available put the SUN2000 inside a suitable cardbo...

Page 160: ...0 SUN2000 9 KTL USL0 SUN2000 1 0KTL USL0 SUN2000 1 1 4KTL US L0 Maximum efficiency 240 V 99 CEC efficiency 240 V 99 Input Item SUN2000 3 8KTL USL0 SUN2000 5 KTL USL0 SUN2000 7 6KTL USL0 SUN2000 9 KTL USL0 SUN2000 10 KTL USL0 SUN2000 11 4KTL USL 0 Maximum input current 30 A 35 A Maximum battery current 15 A 20 A Operating voltage range 300 500 V DC Rated input voltage 325 V 208 V AC 370 V 240 V AC ...

Page 161: ...ot intended for low power signal control or communications circuits Grid tied Output Item SUN2000 3 8KTL USL0 SUN2000 5 KTL USL0 SUN2000 7 6KTL USL0 SUN2000 9 KTL USL0 SUN2000 1 0KTL USL0 SUN2000 1 1 4KTL US L0 Rated output power 3 3 kW 208 V 3 8 kW 240 V 4 3 kW 208 V 5 kW 240 V 6 6 kW 208 V 7 6 kW 240 V 7 8 kW 208 V 9 kW 240 V 8 7 kW 208 V 10 kW 240 V 9 9 kW 208 V 11 4 kW 240 V Maximum apparent p...

Page 162: ... Battery Backup Output Item SUN2000 3 8KTL USL0 SUN2000 5 KTL USL0 SUN2000 7 6KTL USL0 SUN2000 9 KTL USL0 SUN2000 1 0KTL USL0 SUN2000 1 1 4KTL US L0 Output voltage 240 V AC 1 autotransformer for 120 V AC load in standard configuration supporting only the power grid types in Figure 10 1 not supporting 208 V AC Output frequency 60 Hz 0 25 Rated apparent power Linear load 3 5 kVA 3 5 kVA 3 5 kVA 5 kV...

Page 163: ...t overcurrent protection 25 Adc for Battery Figure 10 1 Power grid types supported by 120 VAC load Protection Item SUN2000 3 8KTL USL0 SUN2000 5 KTL USL0 SUN2000 7 6KTL USL0 SUN2000 9 KTL USL0 SUN2000 1 0KTL USL0 SUN2000 1 1 4KTL US L0 AFCI UL 1699B CSA TIL M 07 Rapid turn off protection NEC 2017 NEC 2014 Anti islanding protection IEEE 1547 ISO detection UL 1741 DCI detection IEEE 1547 RCMU detect...

Page 164: ...ported Backfeed short circuit current A a 69Arms 248Apk 69Arms 248Apk 69Arms 248Apk 112Arms 492Apeak 112Arms 492Apeak 112Arms 492Apeak Note a available from the inverter on input and output conductors under fault conditions Trip limits Item SUN2000 3 8KTL USL0 SUN2000 5KTL USL0 SUN2000 7 6KTL USL0 SUN2000 9KTL USL0 SUN2000 10KTL USL0 SUN2000 11 4KTL USL0 Adjustable LIMITS Utility interconnection v...

Page 165: ...00 0 05 Communication Item SUN2000 3 8KTL USL0 SUN2000 5 KTL USL0 SUN2000 7 6KTL USL0 SUN2000 9 KTL USL0 SUN2000 1 0KTL USL0 SUN2000 1 1 4KTL US L0 Display LED and app WiFi Supported RS485 Supported Common Parameters Item SUN2000 3 8KTL USL0 SUN2000 5 KTL USL0 SUN2000 7 6KTL USL0 SUN2000 9 KTL USL0 SUN2000 1 0KTL USL0 SUN2000 1 1 4KTL US L0 Topology Transformerless Ingress Protection Rating TYPE 4...

Page 166: ...TL USL0 SUN2000 5 KTL USL0 SUN2000 7 6KTL USL0 SUN2000 9 KTL USL0 SUN2000 1 0KTL USL0 SUN2000 1 1 4KTL US L0 Operating altitude 0 4000m 0 13123 36 ft derated above 2000 m 6561 68 ft Storage temperature 30 C to 60 C 22 F to 140 F Storage humidity 5 95 RH Pollution Degree 3 Limits of accuracy of frequency measurement 0 02 Hz Maximum input voltage battery open circuit voltage 500 Vdc ...

Page 167: ...hase 240 V 60 Hz IEEE 1547a LV208 US low voltage power grid Single phase 208 V 60 Hz IEEE 1547a LV240 US low voltage power grid Split phase 240 V 60 Hz ELECTRIC RULE NO 21 LV208 US low voltage power grid Single phase 208 V 60 Hz ELECTRIC RULE NO 21 LV240 US low voltage power grid Split phase 240 V 60 Hz HECO LV208 US low voltage power grid Single phase 208 V 60 Hz HECO LV240 US low voltage power g...

Page 168: ... Huawei Technologies Co Ltd 161 Grid Code Description Default Output Mode Grid Voltage Grid Frequency PRC_024_West ern LV240 US low voltage power grid Split phase 240 V 60 Hz PRC_024_Que bec LV208 US low voltage power grid Single phase 208 V 60 Hz PRC_024_Que bec LV240 US low voltage power grid Split phase 240 V 60 Hz ...

Page 169: ...ei Technologies Co Ltd 162 B Acronyms and Abbreviations A AC alternating current D DC direct current I ID identifier IO input output L LED light emitting diode LVRT low voltage ride through M MAC Media Access Control MPPT maximum power point tracking P PC personal computer PE protective earthing PLC power line communication PV photovoltaic ...

Page 170: ...prietary and Confidential Copyright Huawei Technologies Co Ltd 163 R RCD residual current device RCMU residual current monitoring unit RH relative humidity S SN serial number T THDi total distortion of the input current waveform W WEEE waste electrical and electronic equipment WiFi Wireless Fidelity ...

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