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Alarm ID Alarm

Name

Alarm

Severity

Possible Cause

Troubleshooting Suggestion

2036

Grid

Overfreq

uency

Major

Cause ID = 1
Power grid exception: The

actual grid frequency is

higher than the

requirement of the local

power grid standard.

1. If the alarm occurs

accidentally, the power grid

may be abnormal

temporarily. The inverter

automatically recovers after

detecting that the power grid

becomes normal.

2. If the alarm occurs

frequently, check whether the

grid frequency is within the

acceptable range. If no,

contact the local power

operator. If yes, log in to the

mobile phone app,

SmartLogger, or NMS to

modify the grid

underfrequency protection

threshold with the consent of

the local power operator.

2037

Grid

Underfre

quency

Major

Cause ID = 1
Power grid exception: The

actual grid frequency is

lower than the requirement

of the local power grid

standard.

1. If the alarm occurs

accidentally, the power grid

may be abnormal

temporarily. The inverter

automatically recovers after

detecting that the power grid

becomes normal.

2. If the alarm occurs

frequently, check whether the

grid frequency is within the

acceptable range. If no,

contact the local power

operator. If yes, log in to the

mobile phone app,

SmartLogger, or NMS to

modify the grid

underfrequency protection

threshold with the consent of

the local power operator.

SUN2000-(3KTL-10KTL)-M0

User Manual

7 Maintenance

Issue 06 (2020-10-23)

Summary of Contents for SUN2000 M0 Series

Page 1: ...SUN2000 3KTL 10KTL M0 User Manual Issue 06 Date 2020 10 23 HUAWEI TECHNOLOGIES CO LTD ...

Page 2: ...cribed 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 document is subject to change without notice Every effort has been made in the prep...

Page 3: ...N2000 10KTL M0 inverters are not applicable to Australia Intended Audience This document is intended for Installers Users Symbol Conventions The symbols that may be found in this document are defined as follows Symbol Description Indicates a hazard with a high level of risk which if not avoided will result in death or serious injury Indicates a hazard with a medium level of risk which if not avoid...

Page 4: ...Updated E AFCI Issue 04 2019 10 18 Updated 5 1 Preparing for Installation and changed the WLAN Smart Dongle to the WLAN FE Smart Dongle Updated 5 5 Optional Installing the Smart Dongle and added the installation method of the WLAN FE Smart Dongle Updated 5 6 Optional Installing the Signal Cable The Dongle signal cable supports the cascading of multiple inverters Updated 5 6 2 Connecting the RS485 ...

Page 5: ...y Updated B Setting Dry Contact Scheduling Parameters Added C Setting Export Limitation Parameters Added D Setting Voltage Rise Suppression Q U Curve Issue 02 2019 04 30 This issue is the second official release Issue 01 2018 12 30 This issue is used for first office application FOA SUN2000 3KTL 10KTL M0 User Manual About This Document Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd iv ...

Page 6: ...meplate 14 2 4 Working Principles 15 2 4 1 Circuit Diagram 15 2 4 2 Working Modes 15 3 Storage 17 4 Installation 18 4 1 Checking Before Installation 18 4 2 Tools 18 4 3 Determining the Installation Position 20 4 3 1 Environment Requirements 20 4 3 2 Space Requirements 21 4 4 Installing the Mounting Bracket 24 4 4 1 Wall mounted Installation 24 4 4 2 Support mounted Installation 26 5 Electrical Con...

Page 7: ...enario 60 6 3 2 Scenario 2 SmartLogger1000A Networking Scenario 63 6 3 3 Scenario 3 FusionSolar App Cannot Access the Internet 63 6 4 Powering Off the System 67 7 Maintenance 68 7 1 Routine Maintenance 68 7 2 Troubleshooting 69 8 Handling the Inverter 78 8 1 Removing the SUN2000 78 8 2 Packing the SUN2000 78 8 3 Disposing of the SUN2000 78 9 Technical Data 79 10 FAQ 84 A Grid Codes 85 B Setting Dr...

Page 8: ...under the warranty Follow local laws and regulations when installing operating or maintaining the equipment The safety instructions in this document are only supplements to local laws and regulations Huawei will not be liable for any consequences of the following circumstances Operation beyond the conditions specified in this document Installation or use in environments which are not specified in ...

Page 9: ...ner Equipment with scratches cannot be exposed to an outdoor environment for a long period of time Do not open the host panel of the equipment Personal Safety If there is a probability of personal injury or equipment damage during operations on the equipment immediately stop the operations report the case to the supervisor and take feasible protective measures Use tools correctly to avoid hurting ...

Page 10: ... not damage the ground conductor Do not operate the equipment in the absence of a properly installed ground conductor Ensure that the equipment is connected permanently to the protective ground Before operating the equipment check its electrical connection to ensure that it is securely grounded General Requirements DANGER Before connecting cables ensure that the equipment is intact Otherwise elect...

Page 11: ...ell ventilated environment To prevent fire due to high temperature ensure that the ventilation vents or heat dissipation system are not blocked when the equipment is running Do not expose the equipment to flammable or explosive gas or smoke Do not perform any operation on the equipment in such environments 1 5 Mechanical Safety Using Ladders Use wooden or fiberglass ladders when you need to perfor...

Page 12: ...rotect the equipment from shavings After drilling clean up any shavings that have accumulated inside or outside the equipment Moving Heavy Objects Be cautious to avoid injury when moving heavy objects When moving the equipment by hand wear protective gloves to prevent injuries 1 6 Commissioning When the equipment is powered on for the first time ensure that professional personnel set parameters co...

Page 13: ...ment and using proper tools and testing equipment Before maintaining the equipment power it off and follow the instructions on the delayed discharge label to ensure that the equipment is powered off Place temporary warning signs or erect fences to prevent unauthorized access to the maintenance site If the equipment is faulty contact your dealer The equipment can be powered on only after all faults...

Page 14: ...grid This document involves the following product models SUN2000 3KTL M0 SUN2000 4KTL M0 SUN2000 5KTL M0 SUN2000 6KTL M0 SUN2000 8KTL M0 SUN2000 10KTL M0 NOTE The SUN2000 8KTL M0 and SUN2000 10KTL M0 inverters are not applicable to Australia Figure 2 1 Model description SUN2000 5KTL M0 as an example SUN2000 3KTL 10KTL M0 User Manual 2 Overview Issue 06 2020 10 23 Copyright Huawei Technologies Co L...

Page 15: ...transformerless 4 Product code M0 the product series with the 1100 V DC input voltage Network Application The SUN2000 applies to grid tied PV systems for residential rooftops and small ground plants Typically a grid tied system consists of the PV string SUN2000 AC switch and alternating current distribution unit ACDU Figure 2 2 Networking application Single inverter scenario optional in dashed box...

Page 16: ...ommunication networking the master inverter model is SUN2000 3KTL 20KTL M0 and the slave inverter model can be SUN2000 3KTL 20KTL M0 SUN2000 50KTL 60KTL 65KTL M0 SUN2000 29 9KTL 36KTL or SUN2000 33KTL A A PV string B DC switch C SUN2000 D AC switch E ACDU F Smart Power Sensor G Power grid H 4G Smart Dongle I WLAN FE Smart Dongle J Router K FusionSolar management system L FusionSolar app M Load N R...

Page 17: ...2 4 Supported power grids NOTE In a TT power grid the N PE voltage should be lower than 30 V In an IT power grid you need to set Isolation settings to Input not grounded with a transformer 2 2 Appearance SUN2000 3KTL 10KTL M0 User Manual 2 Overview Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 10 ...

Page 18: ...mart Dongle port GPRS 4G WLAN FE 10 Battery terminals BAT BAT reserved 11 DC input terminals PV2 PV2 12 DC input terminals PV1 PV1 13 DC switch DC SWITCH NOTE Two M6 screw holes are reserved on both left and right sides of the enclosure for installing an awning SUN2000 3KTL 10KTL M0 User Manual 2 Overview Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 11 ...

Page 19: ...e both off Blinking red at short intervals on for 0 2s and then off for 0 2s N A DC environmental alarm N A Blinking red at short intervals on for 0 2s and then off for 0 2s AC environmental alarm Steady red Steady red Fault Communicatio n indication LED 3 N A Blinking green at short intervals on for 0 2s and then off for 0 2s Communication is in progress When a mobile phone is connected to the SU...

Page 20: ...ified and trained electrical technicians are allowed to perform operations on the SUN2000 High touch current exists after the SUN2000 is powered on Ensure that the SUN2000 has been grounded before powering on it Refer to documentation Reminds operators to refer to the documents shipped with the SUN2000 Grounding Indicates the position for connecting the protective earthing PE cable Operation warni...

Page 21: ...nnect to Huawei SUN2000 WiFi network 2 3 2 Product Nameplate Figure 2 6 Nameplate SUN2000 5KTL M0 as an example 1 Trademark and product model 2 Important technical specifications 3 Compliance symbols 4 Company name and country of manufacture NOTE The nameplate figure is for reference only SUN2000 3KTL 10KTL M0 User Manual 2 Overview Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 14 ...

Page 22: ...rcuits 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 Figure 2 7 SUN2000 conceptual diagram 2 4 2 Working Modes The SUN2000 can work in Standby Operating or Shutdown mode SUN2000 3KTL 10KTL M0 User Manual 2 Overview Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 15 ...

Page 23: ...gs into AC power and feeds the power to the power grid The SUN2000 tracks the maximum power point to maximize the PV string output If the SUN2000 detects a fault or a shutdown command it enters the Shutdown mode The SUN2000 enters Standby mode after detecting that the PV string output power is not suitable for connecting to the power grid for generating power Shutdown In Standby or Operating mode ...

Page 24: ...r corrosion A maximum of eight SUN2000s can be stacked To avoid personal injury or device damage stack SUN2000s with caution to prevent them from falling over 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 SUN2000 3KTL ...

Page 25: ...t your supplier as soon as possible NOTE You are advised to remove the packing materials within 24 hours before installing the inverter Package Contents 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 NOTE For details about the number of contents see the Packing List in the packing case 4 2 Tools ...

Page 26: ...4TW0001 manufacturer Amphenol Rubber mallet Utility knife Cable cutter Crimping tool Model H4TC0003 H4TC0002 manufacturer Amphenol Multimeter DC voltage measurement range 1100 V DC Vacuum cleaner Marker Measuring tape Bubble or digital level OT terminal crimping tool SUN2000 3KTL 10KTL M0 User Manual 4 Installation Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 19 ...

Page 27: ...UN2000 at a place within children s reach Do not install the SUN2000 outdoors in salt areas because it will be corroded there and may cause fire 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 or terrains such as dams and hills The SUN2000 must be installed in...

Page 28: ...equirements The SUN2000 can be wall mounted or pole mounted The installation angle requirements are as follows Install the SUN2000 vertically or at a maximum back tilt of 15 degrees to facilitate heat dissipation 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 en...

Page 29: ...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 SUN2000 3KTL 10KTL M0 User Manual 4 Installation Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 22 ...

Page 30: ...Figure 4 4 Staggered installation recommended Figure 4 5 Stacked installation not recommended SUN2000 3KTL 10KTL M0 User Manual 4 Installation Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 23 ...

Page 31: ... Installation Procedure Step 1 Determine the installation positions for drilling holes and mark the positions using a marker Step 2 Secure the mounting brackets NOTE M6x60 expansion bolts are delivered with the SUN2000 If the length and amount of the bolts do not meet installation requirements prepare M6 stainless steel expansion bolts by yourself Figure 4 7 Expansion bolt composition SUN2000 3KTL...

Page 32: ...en holes If large hole tolerance exists position and drill holes again After removing the bolt spring washer and flat washer level the front of the expansion tube with the concrete wall Otherwise the mounting brackets will not stay steady on the concrete wall Partially loosen the nut flat washer and spring washer of the two expansion bolts below Figure 4 8 Installing the Mounting Bracket Step 3 In...

Page 33: ...to the anti theft lock safe Figure 4 10 Installing the anti theft lock End 4 4 2 Support mounted Installation Prerequisites Prepare M6 stainless bolt assemblies including flat washers spring washers and M6 bolts with appropriate lengths as well as matched flat washers and nuts based on the support specifications SUN2000 3KTL 10KTL M0 User Manual 4 Installation Issue 06 2020 10 23 Copyright Huawei ...

Page 34: ...igure 4 11 Determining hole positions Step 2 Drill holes using a hammer drill NOTE You are advised to apply anti rust paint on the hole positions for protection Figure 4 12 Drilling holes Step 3 Secure the mounting bracket SUN2000 3KTL 10KTL M0 User Manual 4 Installation Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 27 ...

Page 35: ...stalling the SUN2000 Step 6 Optional Install the anti theft lock NOTICE Prepare an anti theft lock suitable for the lock hole diameter Ф8 mm by yourself An outdoor waterproof lock is recommended Keep the key to the anti theft lock safe SUN2000 3KTL 10KTL M0 User Manual 4 Installation Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 28 ...

Page 36: ...Figure 4 15 Installing the anti theft lock End SUN2000 3KTL 10KTL M0 User Manual 4 Installation Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 29 ...

Page 37: ...d the warranty scope Only certified electricians are allowed to connect cables Operation personnel must wear proper PPE when connecting cables NOTE 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 are only used for PE 5 1 Preparing for Installation SUN2000...

Page 38: ...timizer The SUN2000 supports the input from two PV strings Prepared by the customer B DC switch Recommended a PV circuit breaker with a rated voltage greater than or equal to 1 100 V DC and a rated current of 15 A Prepared by the customer C Smart Dongle Supported models include WLAN FE Smart Dongle SDongleA 05 4G Smart Dongle SDongleA 03 Purchased from Huawei D SUN2000 Select a proper model based ...

Page 39: ...ration see SDongleA 05 Quick Guide WLAN FE 4G Smart Dongle For details about the SDongleA 03 operation see SDongleA 03 Quick Guide 4G You can obtain the quick guide at https support huawei com enterprise by searching for the Smart Dongle model Note b The SUN2000 8KTL M0 and SUN2000 10KTL M0 inverters are not applicable to Australia Table 5 2 Cable description No Name Type Recommended Specification...

Page 40: ...utdoor cable Conductor cross sectional area 0 2 1 mm2 Cable outer diameter 4 11 mm 5 AC output power cablea Outdoor copper cable Conductor cross sectional area 4 6 mm2 Cable outer diameter 10 21 mm 6 PE cable Single core outdoor copper cable Conductor cross sectional area 4 mm2 Note a The minimum cable diameter depends on the fuse rating on the AC side NOTE The minimum cable diameter should comply...

Page 41: ...t side of the inverter is connected to an isolation transformer ensure that the inverter is properly grounded and set Isolation settings to Input not grounded with a transformer to enable the inverter to run properly According to IEC62109 to ensure safe application in case of the ground cable is damaged or disconnected connect the PE cable properly before the grounding detection function is disabl...

Page 42: ...rimping area with the heat shrink tubing or the PVC insulation tape The following figure uses the heat shrink tubing as an example When using the heat gun protect devices from being scorched Figure 5 2 Crimping an OT terminal 1 Cable 2 Core wire 3 Heat shrink tubing 4 OT terminal 5 Crimping tool 6 Heat gun Step 2 Connect the PE cable SUN2000 3KTL 10KTL M0 User Manual 5 Electrical Connections Issue...

Page 43: ...detecting that the residual current exceeds the threshold the SUN2000 immediately disconnects itself from the power grid NOTICE If the external AC switch can perform earth leakage protection the rated leakage action current should be greater than or equal to 100 mA If multiple SUN2000s connect to the general residual current device RCD through their respective external AC switches the rated leakag...

Page 44: ...able hole Ensure that AC terminations provide firm and solid electrical connections 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 SUN2000 3KTL 10KTL M0 User Manual 5 Electrical Connections Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 37 ...

Page 45: ...Figure 5 8 Five core cable L1 L2 L3 N and PE NOTE The cable colors shown in the figures are for reference only Select an appropriate cable according to local standards SUN2000 3KTL 10KTL M0 User Manual 5 Electrical Connections Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 38 ...

Page 46: ...ecurely Figure 5 9 Securing the AC connector Step 3 Check the route of the AC output power cable Figure 5 10 Cable route End Disconnection Disconnection can be performed in reverse order SUN2000 3KTL 10KTL M0 User Manual 5 Electrical Connections Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 39 ...

Page 47: ... short circuit current of each PV string must be lower than or equal to 15 A The DC input power cable is correctly connected The positive and negative terminals of a PV module are connected to corresponding positive and negative DC input terminals of the SUN2000 If the DC input power cable is reversely connected do not operate the DC switch and positive and negative connectors Wait until the solar...

Page 48: ...ive and negative DC input terminals of the SUN2000 check that the DC SWITCH is OFF CAUTION Use the Amphenol Helios H4 PV connectors supplied with the SUN2000 If the PV connectors are lost or damaged purchase the connectors of the same model The device damage caused by incompatible PV connectors is not covered under any warranty SUN2000 3KTL 10KTL M0 User Manual 5 Electrical Connections Issue 06 20...

Page 49: ...hat they are connected securely Crimp the metal stamping forming contacts using crimping tool H4TC0003 Amphenol recommended H4TC0002 Amphenol PV CZM 22100 Staubli or PV CZM 19100 Staubli When choosing PV CZM 22100 or PV CZM 19100 do not use the locator Otherwise metal contacts would be damaged Figure 5 13 Crimping tool H4TC0003 1 Locator NOTE The DC voltage measurement range of the multimeter must...

Page 50: ...s hard to remove the DC connector Figure 5 15 Removing a DC connector 5 5 Optional Installing the Smart Dongle Procedure NOTE If you prepared a WLAN FE Smart Dongle or 4G Smart Dongle configured with a SIM card skip this step If you prepared a Smart Dongle without a SIM card you need to prepare a standard SIM card size 25 mm x 15 mm with the capacity greater than or equal to 64 KB When installing ...

Page 51: ...gure 5 17 Installing the WLAN FE Smart Dongle WLAN Communication WLAN FE Smart Dongle FE Communication Figure 5 18 Installing the WLAN FE Smart Dongle FE Communication SUN2000 3KTL 10KTL M0 User Manual 5 Electrical Connections Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 44 ...

Page 52: ...on layer Ensure that the core wires are completely inserted into the cable holes and that the cable is securely connected Figure 5 19 Signal definitions Pin Definitio n Function Description Pin Definitio n Function Description 1 485A1 1 RS485A RS485 differential signal Used to cascadeinverte rs or connect to the RS485 signal port on the SmartLogger 2 485A1 2 RS485A RS485 differential signal Used t...

Page 53: ... GND N A 14 DIN4 15 DIN5 Rapid shutdown switch Reserved 16 GND NOTE 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 invert...

Page 54: ...evices can connect to a single SmartLogger1000A such as inverters Smart Power sensor and EMI You are advised to connect fewer than 30 devices to each RS485 route The Smart Power Sensor is necessary for export limitation Select the Smart Power Sensor according to the actual project To ensure the system response speed the Smart Power Sensor is recommended to be connected to a COM port separately fro...

Page 55: ...al cable connector End 5 6 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 SUN2000 3KTL 10KTL M0 User Manual 5 Electrical Connections Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 48 ...

Page 56: ...Figure 5 24 Cable connection Three Phase Three Wire SUN2000 3KTL 10KTL M0 User Manual 5 Electrical Connections Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 49 ...

Page 57: ...Shielding layer of the signal cable Connecting Only the Smart Power Sensor Step 1 Connect the signal cable to the signal cable connector SUN2000 3KTL 10KTL M0 User Manual 5 Electrical Connections Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 50 ...

Page 58: ...e 5 27 Securing the signal cable connector End Connecting the Smart Power Sensor and Energy Storage Device Step 1 Connect the signal cable to the signal cable connector SUN2000 3KTL 10KTL M0 User Manual 5 Electrical Connections Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 51 ...

Page 59: ...l cable connector End 5 6 3 Connecting the Power Grid Scheduling Signal Cable Cable Connection The following figure shows the cable connections between the inverter and the Ripple Control Device SUN2000 3KTL 10KTL M0 User Manual 5 Electrical Connections Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 52 ...

Page 60: ...nect the signal cable to the signal cable connector Figure 5 31 Installing the cable Step 2 Connect the signal cable to the COM port SUN2000 3KTL 10KTL M0 User Manual 5 Electrical Connections Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 53 ...

Page 61: ...Figure 5 32 Securing the signal cable connector End SUN2000 3KTL 10KTL M0 User Manual 5 Electrical Connections Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 54 ...

Page 62: ... ground cable is connected correctly securely and reliably 6 Turn off the switches The DC SWITCH and all the switches connected to the SUN2000 are set to OFF 7 Cable connections The AC output power cable and DC input power cable are connected correctly securely and reliably 8 Unused terminals and ports Unused terminals and ports are locked by watertight caps 9 Installation environment The installa...

Page 63: ...tep 3 before Step 1 the SUN2000 reports a Grid Loss alarm The SUN2000 starts normally only after the fault is automatically rectified Step 2 If there is a DC switch between the PV string and the inverter turn on the DC switch Step 3 Set the DC SWITCH at the bottom of the SUN2000 to the ON position Step 4 Wait for about 1 minute and then observe the LED indicators of the inverter to check the runni...

Page 64: ...s and then off for 0 2s N A DC environmental alarm N A Blinking red at short intervals on for 0 2s and then off for 0 2s AC environmental alarm Steady red Steady red Fault Communication indication LED 3 N A Blinking green at short intervals on for 0 2s and then off for 0 2s Communication is in progress When a mobile phone is connected to the SUN2000 the indicator first indicates that the phone is ...

Page 65: ...mal The Dongle is faulty Replace the Dongle Green Blinking at long intervals on for 0 5s and then off for 0 5s Normal Connecting to the router Steady on Successfully connected to the management system Blinking at short intervals on for 0 2s and then off for 0 2s The inverter is communicating with the management system through the Dongle 4G Smart Dongle Table 6 4 LED indicator description LED Color...

Page 66: ...the settings of the management system parameters are incorrect Reset the parameters Steady on Normal Successfully connected to the management system Blinking at short intervals on for 0 2s and then off for 0 2s The inverter is communicating with the management system through the Dongle Red Steady on Abnormal The Dongle is faulty Replace Dongle Blinking at short intervals on for 0 2s and then off f...

Page 67: ... long intervals on for 1s and then off for 1s No communication with the inverter Remove and insert the Dongle Check whether inverters match the Dongle Connect the Dongle to other inverters Check whether the Dongle or the USB port of the inverter is faulty End 6 3 Commissioning 6 3 1 Scenario 1 Smart Dongle Networking Scenario NOTE Data in the screenshots is for reference only The actual screens pr...

Page 68: ...owing the instructions The SUN2000 app version should be 3 2 00 002 Android or later The initial password for connecting the inverter WiFi is Changeme Log in to the FusionHome app as installer The initial password is 00000a Use the initial password upon first power on and change it immediately after login To ensure account security change the password periodically and keep the new password in mind...

Page 69: ...s for the same company log in to the FusionSolar app and tap New User Figure 6 4 Creating multiple installer accounts for the same company Creating a PV Plant and an Account for User SUN2000 3KTL 10KTL M0 User Manual 6 Commissioning Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 62 ...

Page 70: ...ing Scenario See the Distributed PV Plants Connecting to Huawei Hosting Cloud Quick Guide Distributed Inverters SmartLogger1000A RS485 Networking You can scan the QR code to obtain it 6 3 3 Scenario 3 FusionSolar App Cannot Access the Internet Step 1 Access Device commissioning SUN2000 3KTL 10KTL M0 User Manual 6 Commissioning Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 63 ...

Page 71: ...Figure 6 6 Device commissioning before login SUN2000 3KTL 10KTL M0 User Manual 6 Commissioning Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 64 ...

Page 72: ...r app over a router ensure that the mobile phone and inverter are in the WiFi coverage of the router and the SUN2000L is connected to the router The router supports WiFi IEEE 802 11 b g n 2 4 GHz and the WiFi signal reaches the inverter The WPA WPA2 or WPA WPA2 encryption mode is recommended for routers Enterprise level encryption is not supported for example public hotspots requiring authenticati...

Page 73: ...t changing the initial password may cause password disclosure A password left unchanged for a long period of time may be stolen or cracked If a password is lost devices cannot be accessed In these cases the user is liable for any loss caused to the PV plant To set more parameters tap Parameter configuration Step 3 Optional When multiple inverters are connected to a third party data collector set R...

Page 74: ... on protective gloves and operate the SUN2000 five minutes after the power off Procedure Step 1 Send a shutdown command from the app Step 2 Turn off the AC switch between the SUN2000 and the power grid Step 3 Set the DC SWITCH at the bottom of the SUN2000 to the OFF position Step 4 Turn off the DC switch between the PV string and the SUN2000 if there is one End SUN2000 3KTL 10KTL M0 User Manual 6 ...

Page 75: ...2000 Annual or every time an abnormality is detected System running status Check the SUN2000 for damage or deformation Annual Electrical connections Cables are securely connected Cables are intact in particular the parts touching the metallic surface are not scratched The first inspection is 6 months after the initial commissioning From then on the interval can be 6 to 12 months Grounding reliabil...

Page 76: ...eds the maximum inverter operating voltage Cause ID 1 PV1 Cause ID 2 PV2 Reduce the number of PV modules connected in series to the PV string until the PV string open circuit voltage is less than or equal to the maximum inverter operating voltage After the PV array is correctly configured the inverter alarm disappears 2002 DC Arc Fault Major The PV string power cable arcs or is in poor contact Cau...

Page 77: ...circuit voltage of the PV string is normal 2021 AFCI Self Check Failure Major Cause ID 1 2 AFCI check fails Turn off the AC output switch and DC input switch and then turn them on after 5 minutes If the fault persists contact your dealer or Huawei technical support 2031 Phase Wire Short Circuited to PE Major Cause ID 1 The impedance of the output phase wire to PE is low or the output phase wire is...

Page 78: ... recovers after detecting that the power grid becomes normal 2 If the alarm occurs frequently check whether the grid voltage is within the acceptable range If no contact the local power operator If yes login to the mobile phone app SmartLogger or NMS to modify the grid undervoltage protection threshold with the consent of the local power operator 3 If the fault persists check the connection betwee...

Page 79: ...eck whether the peak voltage of the power grid is too high If the fault persists and cannot be rectified for a long time contact the power grid operator 2035 Grid Voltage Imbalanc e Major Cause ID 1 The difference between grid phase voltages exceeds the upper threshold 1 If the alarm occurs accidentally the power grid may be abnormal temporarily The inverter automatically recovers after detecting ...

Page 80: ...grid underfrequency protection threshold with the consent of the local power operator 2037 Grid Underfre quency Major Cause ID 1 Power grid exception The actual grid frequency is lower than the requirement of the local power grid standard 1 If the alarm occurs accidentally the power grid may be abnormal temporarily The inverter automatically recovers after detecting that the power grid becomes nor...

Page 81: ...e fault is rectified 2 If the alarm occurs frequently and affects the power production of the PV plant check whether the output is short circuited If the fault persists contact your dealer or Huawei technical support 2040 Output DC Compone nt Overhigh Major Cause ID 1 The DC component in the grid current exceeds the upper threshold 1 The inverter monitors its external working conditions in real ti...

Page 82: ...nects to an isolation transformer If yes after powering on the inverter log in to the mobile phone app SmartLogger or NMS and disable Grounding inspection 2062 Low Insulatio n Resistanc e Major Cause ID 1 The PV array is short circuited to ground The PV array is in a moist environment and the power cable is not well insulated to ground 1 Check the impedance between the PV array output and PE and e...

Page 83: ...ei technical support 2065 Upgrade Failed or Version Mismatch Minor Cause ID 1 2 and 4 The upgrade ends abnormally NOTE Upgrade the inverter again if it is stuck in initialization state without generating any alarms and cannot be restored to the normal state during the upgrade when the PV inputs are disconnected and reconnected next time 1 Upgrade again 2 If the upgrade fails several times contact ...

Page 84: ...e phase voltage exceeds the transient AC overvoltage protection threshold 1 Check whether the grid connection voltage exceeds the upper threshold If yes contact the local power operator 2 If you have confirmed that the grid connection voltage exceeds the upper threshold and obtained the consent of the local power operator modify the overvoltage protection threshold 3 Check that the peak grid volta...

Page 85: ...D cables 2 Remove the SUN2000 from the mounting bracket 3 Remove the mounting bracket 8 2 Packing the SUN2000 If the original packing materials are available put the SUN2000 inside them and then seal them by using adhesive tape If the original packing materials are not available put the SUN2000 inside a suitable cardboard box and seal it properly 8 3 Disposing of the SUN2000 If the SUN2000 service...

Page 86: ...um efficiency 98 20 98 30 98 40 98 60 98 60 98 60 European efficiency 96 70 97 10 97 50 97 70 98 00 98 10 Input Technical Specificatio ns SUN2000 3 KTL M0 SUN2000 4 KTL M0 SUN2000 5 KTL M0 SUN2000 6 KTL M0 SUN2000 8 KTL M0 SUN2000 1 0KTL M0 Maximum input voltagea 1100 V Operating voltage rangeb 140 980 V Maximum input current per MPPT 11 A SUN2000 3KTL 10KTL M0 User Manual 9 Technical Data Issue 0...

Page 87: ...he maximum input voltage is the upper threshold of the DC voltage If the input voltage exceeds the threshold the solar inverter may be damaged Note b If the input voltage is beyond the operating voltage range the solar inverter cannot work properly Output Technical Specificatio ns SUN2000 3 KTL M0 SUN2000 4 KTL M0 SUN2000 5 KTL M0 SUN2000 6 KTL M0 SUN2000 8 KTL M0 SUN2000 1 0KTL M0 Rated active po...

Page 88: ...380 V 11 6 A 400 V 15 2 A 380 V 14 5 A 400 V Maximum output current 5 1 A 6 8 A 8 5 A 10 1 A 13 5 A 16 9 A Adapted power grid frequency 50 60 Hz Power factor 0 8 leading 0 8 lagging Maximum total harmonic distortion rated power 3 Protection and Feature Technical Specificatio ns SUN2000 3 KTL M0 SUN2000 4 KTL M0 SUN2000 5 KTL M0 SUN2000 6 KTL M0 SUN2000 8 KTL M0 SUN2000 1 0KTL M0 Input DC switch Ye...

Page 89: ... protection Yes AC surge protection Yes Insulation resistance detection Yes Residual current monitoring unit RCMU Yes Display and Communication Technical Specificatio ns SUN2000 3 KTL M0 SUN2000 4 KTL M0 SUN2000 5 KTL M0 SUN2000 6 KTL M0 SUN2000 8 KTL M0 SUN2000 1 0KTL M0 Display LED indicators WLAN app RS485 Yes Communica tions expansion module Optional WLAN FE 4G SUN2000 3KTL 10KTL M0 User Manua...

Page 90: ...1 0KTL M0 Dimensions W x H x D 525 mm x 470 mm x 166 mm Net weight 17 kg with hanging kits without mounting brackets Operating temperature 25 C to 60 C Cooling mode Natural convection Highest operating altitude 0 4000 m derated above 3000 m Relative humidity 0 100 RH Input terminal Amphenol Helios H4 Output terminal Waterproof quick connect terminal IP rating IP65 Topology No transformer SUN2000 3...

Page 91: ...oes not support 5G WLAN 2 Confirm that the 2 4G WLAN SSID name is different from the 5G WLAN SSID name If they are the same set them to be different 3 Log in to the router settings page If the 2 4G WLAN channel is 13 change the channel to one in the range of channel 1 to 11 which has small interference SUN2000 3KTL 10KTL M0 User Manual 10 FAQ Issue 06 2020 10 23 Copyright Huawei Technologies Co Lt...

Page 92: ...ported Supported Supported Supported Supported Supported UTE C 15 712 1 A France mainland low voltage power grid Supported Supported Supported Supported Supported Supported UTE C 15 712 1 B France island power grid 230 V 50 Hz Supported Supported Supported Supported Supported Supported UTE C 15 712 1 C France island power grid 230 V 60 Hz Supported Supported Supported Supported Supported Supported...

Page 93: ...low voltage power grid Supported Supported Supported Supported Supported Supported C10 11 Belgium low voltage power grid Supported Supported Supported Supported Supported Supported AS4777 Australia low voltage power grid Supported Supported Supported Supported Supported Supported IEC61727 IEC61727 low voltage power grid 50 Hz Supported Supported Supported Supported Supported Supported User defined...

Page 94: ...pported Supported EN50438 TR Turkey low voltage power grid Supported Supported Supported Supported Supported Supported IEC61727 60Hz IEC61727 low voltage power grid 60 Hz Supported Supported Supported Supported Supported Supported EN50438_ IE Ireland low voltage power grid Supported Supported Supported Supported Supported Supported PO12 3 Spain low voltage power grid Supported Supported Supported ...

Page 95: ... Supported Supported Supported Supported Supported EN50438 SE Sweden LV Supported Supported Supported Supported Supported Supported Austria Austria Supported Supported Supported Supported Supported Supported G98 United Kingdom G98 Supported Supported Supported Supported Supported Supported G99 TYPEA LV United Kingdom G99 TypeA LV Supported Supported Supported Supported Supported Supported AS4777 W...

Page 96: ...mind Not changing the initial password may cause password disclosure A password left unchanged for a long period of time may be stolen or cracked If a password is lost devices cannot be accessed In these cases the user is liable for any loss caused to the PV plant Procedure Step 1 Set dry contact scheduling parameters NOTE Set Dry contact scheduling to and set Active power control and Reactive pow...

Page 97: ...cenario 2 SmartLogger1000A Networking Scenario See the SmartLogger1000A User Manual You can scan the QR code to obtain it SUN2000 3KTL 10KTL M0 User Manual B Setting Dry Contact Scheduling Parameters Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 90 ...

Page 98: ...sword periodically and keep the new password in mind Not changing the initial password may cause password disclosure A password left unchanged for a long period of time may be stolen or cracked If a password is lost devices cannot be accessed In these cases the user is liable for any loss caused to the PV plant Procedure Step 1 Set export limitation parameters SUN2000 3KTL 10KTL M0 User Manual C S...

Page 99: ...rs are cascaded set this parameter to SDongle SmartLogger If there is only one inverter set this parameter to Inverter Limitation mode Total power Single phase power If this parameter is set to Total power it indicates that no backfeeding occurs for the three phases If this parameter is set to Single phase power it indicates that no backfeeding occurs for the phase with the maximum power Power low...

Page 100: ...time Communication disconnection detection time Specifies the time for determining the communication disconnection between the solar inverter and the Dongle Active power output limit for fail safe Specifies the derating value of the inverter active power by percentage If the Dongle does not detect any meter data or the communication between the Dongle and the inverter is disconnected the Dongle de...

Page 101: ...ngle does not detect any meter data within the preset time the Dongle delivers the preset value of the Active power output limit for fail safe to the inverter for protection Power raising threshold Specifies the threshold for raising the inverter output power Communication disconnection fail safe Disable Enable In the inverter anti backfeeding scenario if this parameter is set to Enable the invert...

Page 102: ...ng occurs for the three phases If this parameter is set to Single phase power it indicates that no backfeeding occurs for the phase with the maximum power PV plant capacity Specifies the total maximum active power in the inverter cascading scenario Maximum grid feed in power Specifies the percentage of the maximum active power of the grid tied point to the PV plant capacity Power lowering adjustme...

Page 103: ...g the communication disconnection between the solar inverter and the Dongle Active power output limit for fail safe Specifies the derating value of the inverter active power by percentage If the Dongle does not detect any meter data or the communication between the Dongle and the inverter is disconnected the Dongle delivers the derating value of the inverter active power by percentage End Scenario...

Page 104: ...riodically and keep the new password in mind Not changing the initial password may cause password disclosure A password left unchanged for a long period of time may be stolen or cracked If a password is lost devices cannot be accessed In these cases the user is liable for any loss caused to the PV plant Procedure Step 1 Set voltage rise suppression Q U curve parameters SUN2000 3KTL 10KTL M0 User M...

Page 105: ... End Scenario 2 SmartLogger1000A Networking Scenario See the SmartLogger1000A User Manual You can scan the QR code to obtain it SUN2000 3KTL 10KTL M0 User Manual D Setting Voltage Rise Suppression Q U Curve Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 98 ...

Page 106: ... Self Check Log in to the FusionSolar app as installer On the Device commissioning screen choose Maintenance and tap Start AFCI check In the dialog box that is displayed tap Confirm NOTE The initial password is 00000a Use the initial password upon first power on and change it immediately after login To ensure account security change the password periodically and keep the new password in mind Not c...

Page 107: ...ion may cause DC arc fault which can be cleared in the following three ways FusionSolar app local commissioning tool On the Device commissioning screen choose Device Information Alarm management and tap Delete on the right of the alarm SUN2000 3KTL 10KTL M0 User Manual E AFCI Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 100 ...

Page 108: ...ar app Log in to the FusionSolar app choose O M Device Alarm and tap DC arc fault On the Alarm Details screen that is displayed tap CLEAR SUN2000 3KTL 10KTL M0 User Manual E AFCI Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 101 ...

Page 109: ...nt System Log in to https intl fusionsolar huawei com choose Intelligent O M Alarm Management select DC arc fault and click Clear Figure E 4 Device alarm SUN2000 3KTL 10KTL M0 User Manual E AFCI Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 102 ...

Page 110: ...essed In these cases the user is liable for any loss caused to the PV plant Context The Italy CEI0 21 grid code requires an IPS test for the SUN2000 During the IPS test process the SUN2000 consecutively tests the protection thresholds and time for 10 min overvoltage level 1 overvoltage level 1 undervoltage level 1 overfrequency and level 1 underfrequency The SUN2000 shuts down after the IPS test s...

Page 111: ...erfrequency protection threshold is 50 5 Hz and the level 1 underfrequency protection threshold is 49 5 Hz S2 The level 1 overfrequency protection threshold is 51 5 Hz and the level 1 underfrequency protection threshold is 47 5 Hz S2 default The level 1 overfrequency protection threshold is 51 5 Hz and the level 1 underfrequency protection threshold is 47 5 Hz SUN2000 3KTL 10KTL M0 User Manual F I...

Page 112: ...ion threshold is 47 5 Hz Step 3 Tap Start to start the IPS test After the IPS test is complete IPS State is displayed as IPS state success Tap Reports in the upper right corner of the IPS test screen to view IPS Self Check Report End SUN2000 3KTL 10KTL M0 User Manual F IPS Test for Italy CEI0 21 Grid Code only Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 105 ...

Page 113: ...LED light emitting diode LVRT low voltage ride through M MPP maximum power point MPPT maximum power point tracking P PV photovoltaic R RCD residual current device W WEEE waste electrical and electronic equipment SUN2000 3KTL 10KTL M0 User Manual G Acronyms and Abbreviations Issue 06 2020 10 23 Copyright Huawei Technologies Co Ltd 106 ...

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