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8

System Maintenance

8.1 System Power-Off

Precautions

WARNING

After the SUN2000 powers off, the remaining electricity and heat may still cause

electric shocks and body burns. Therefore, put on protective gloves and begin

operating the SUN2000 five minutes after the power-off.

Procedure

Step 1 Send a shutdown command on the app.
Step 2 Turn off the AC switch between the SUN2000 and the power grid.
Step 3 Turn off the DC switch at the bottom of the SUN2000.
Step 4 (Optional) Install the locking screw for the DC switch.

Figure 8-1 Installing a locking screw for the DC switch

Step 5 Turn off the DC switch between the SUN2000 and PV strings.
Step 6 (Optional) Turn off the battery switch between the SUN2000 and batteries.

----End

SUN2000-(2KTL-6KTL)-L1

User Manual

8 System Maintenance

Issue 04 (2021-04-01)

Copyright © Huawei Technologies Co., Ltd.

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Summary of Contents for SUN2000-2KTL-L1

Page 1: ...SUN2000 2KTL 6KTL L1 User Manual Issue 04 Date 2021 04 01 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: ...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 avoided could result in death or serious injury Indicates a hazard with a low level of risk which if not avoided could result in minor or moderate injury Indicates a potentially hazardous situation which i...

Page 4: ...stem Power On Updated 8 3 Troubleshooting Issue 03 2020 09 15 Updated 5 2 Connecting PE Cables Updated 8 3 Troubleshooting Issue 02 2020 06 09 Updated 4 2 Preparing Tools and Instruments Updated 5 1 Preparing Cables Updated 5 6 Connecting DC Input Power Cables Updated 5 8 Optional Connecting Signal Cables Updated 7 1 4 Optional Setting the Physical Layout of the Smart PV Optimizers Updated C Reset...

Page 5: ...hecking Before the Installation 18 4 2 Preparing Tools and Instruments 19 4 3 Determining the Installation Position 20 4 4 Moving a SUN2000 23 4 5 Installing a SUN2000 24 4 5 1 Wall Mounted Installation 25 4 5 2 Support Mounted Installation 27 5 Electrical Connection 30 5 1 Preparing Cables 31 5 2 Connecting PE Cables 35 5 3 Optional Installing a Smart Dongle 38 5 4 Installing a WLAN Antenna 39 5 ...

Page 6: ...ry Control 71 7 2 2 AFCI 75 7 2 3 IPS Check for Italy CEI0 21 Grid Code Only 77 7 2 4 DRM Australia AS4777 79 8 System Maintenance 81 8 1 System Power Off 81 8 2 Routine Maintenance 82 8 3 Troubleshooting 82 9 SUN2000 Disposal 95 9 1 Removing a SUN2000 95 9 2 Packing a SUN2000 95 9 3 Disposing a SUN2000 95 10 Technical Parameters 96 10 1 SUN2000 Technical Specifications 96 10 2 Optimizer Technical...

Page 7: ...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 8: ...nner 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 9: ...o 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 elec...

Page 10: ...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 11: ...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 12: ...ument 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 fault...

Page 13: ...ocument involves the following product models SUN2000 2KTL L1 SUN2000 3KTL L1 SUN2000 3 68KTL L1 SUN2000 4KTL L1 SUN2000 4 6KTL L1 SUN2000 5KTL L1 SUN2000 6KTL L1 Figure 2 1 Model identifier using SUN2000 5KTL L1 as an example Table 2 1 Identifier description No Meaning Value 1 Series name SUN2000 grid tied solar inverter SUN2000 2KTL 6KTL L1 User Manual 2 Product Introduction Issue 04 2021 04 01 ...

Page 14: ...logy TL transformerless 4 Design code L1 residential Networking Application The SUN2000 applies to residential rooftop grid tied systems The system consists of PV strings grid tied solar inverters AC switches and power distribution units PDUs Figure 2 2 Single SUN2000 scenario dashed boxes indicate optional configuration SUN2000 2KTL 6KTL L1 User Manual 2 Product Introduction Issue 04 2021 04 01 C...

Page 15: ...ario only one smart power sensor G in the figure can be connected to the master inverter In the SUN2000 cascading scenario the SUN2000s connected to the power grid must meet the local power grid requirements A PV string B Smart PV optimizer C DC switch D SUN2000 E AC switch F Residential PDU G Smart Power Sensor H Residential power meter I Power grid J Battery K Battery switch L Household load M F...

Page 16: ...e SUN2000 supports the following power grid types TN S TN C TN C S and TT In the TT power grid the N to PE voltage must be less than 30 V Figure 2 4 Power grid types SUN2000 2KTL 6KTL L1 User Manual 2 Product Introduction Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 10 ...

Page 17: ...2 PV2 11 Battery terminals BAT BAT 12 Smart Dongle port 4G FE 13 Antenna port ANT 14 Communications port COM 15 AC output port AC 16 Ground point NOTE Note a The DC switch locking screw is used to lock the DC switch to prevent accidental startup It is delivered with the SUN2000 Note b DC input terminals PV1 and PV2 are controlled by the DC switch SUN2000 2KTL 6KTL L1 User Manual 2 Product Introduc...

Page 18: ...o perform operations on the SUN2000 Residual voltage exists after the SUN2000 is powered off It takes 5 minutes for the SUN2000 to discharge to the safe voltage Refer to documentation Reminds operators to refer to the documents delivered the SUN2000 Grounding Indicates the position for connecting the protective earthing PE cable Operation warning Do not remove the connector or antenna when the SUN...

Page 19: ...ddress QR code for logging in to the SUN2000 WLAN Scan the QR code to connect to the Huawei SUN2000 WLAN Android or obtain the WLAN login password iOS NOTE The labels are for reference only Nameplate Figure 2 6 Nameplate using SUN2000 5KTL L1 as an example SUN2000 2KTL 6KTL L1 User Manual 2 Product Introduction Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 13 ...

Page 20: ...the SUN2000 to track the maximum power point of the PV strings The DC power is then converted into single phase AC power through an inverter circuit Surge protection is supported on both the DC and AC sides The SUN2000 uses a reserved battery port for energy storage expansion Battery performs charging and discharging operations according to the battery working mode Figure 2 7 Schematic diagram SUN...

Page 21: ...command or a fault after startup it enters Shutdown mode Operating mode In Operating mode The SUN2000 converts DC power from PV strings into AC power and feeds the power to the power grid The SUN2000 tracks the maximum power point to maximize the PV string output power If the SUN2000 detects a shutdown command or a fault it enters Shutdown mode If the SUN2000 detects that the output power of PV st...

Page 22: ...down command or a fault it enters Shutdown mode In Shutdown mode if the SUN2000 detects that the fault is rectified or the startup command is executed the SUN2000 enters Standby mode SUN2000 2KTL 6KTL L1 User Manual 2 Product Introduction Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 16 ...

Page 23: ...To avoid personal injury or device damage stack SUN2000s with caution to prevent them from falling over During the storage period check the SUN2000 periodically It is recommended that the check is performed every three months Replace the packing materials that are damaged by insects or rodents in a timely manner If the SUN2000 has been stored for more than two years it must be checked and tested b...

Page 24: ...ealer as soon as possible NOTICE You are advised to remove the packing materials within 24 hours before installing the SUN2000 Checking Deliverables After unpacking the SUN2000 check that the deliverables are intact and complete If any item is missing or damaged contact your dealer NOTE For details about the number of accessories delivered with the SUN2000 see the Packing List in the packing case ...

Page 25: ...ippers Torque screwdriver Rubber mallet Utility knife Cable cutter Crimping tool model PV CZM 22100 Cord end terminal crimper Disassembly and Assembly Tool model PV MS HZ open end wrench Cable tie Vacuum cleaner Multimeter DC voltage measurement range 600 V DC SUN2000 2KTL 6KTL L1 User Manual 4 System Installation Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 19 ...

Page 26: ...ink because these parts are extremely hot during operation Do not install the SUN2000 near flammable or explosive materials Do not install the SUN2000 at a place within children s reach The SUN2000 will be corroded in salt areas and the salt corrosion may cause 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 b...

Page 27: ...h to bear the weight of the SUN2000 In residential areas do not install the SUN2000 on plaster board walls or walls made of similar materials with a weak sound insulation performance because the noise generated by the SUN2000 may interfere with residents Installation Angle Requirements The SUN2000 can be wall mounted or pole mounted The installation angle requirements are as follows Install the SU...

Page 28: ...hen installing multiple SUN2000s install them in horizontal mode if sufficient space is available and install them in triangle mode if no sufficient space is available Stacked installation is not recommended Figure 4 3 Horizontal installation mode recommended SUN2000 2KTL 6KTL L1 User Manual 4 System Installation Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 22 ...

Page 29: ...rence only and are irrelevant to the SUN2000 cascading scenario 4 4 Moving a SUN2000 Procedure Step 1 Hold the handles on both sides of the SUN2000 lift the SUN2000 from the packing case and transport it to the installation position SUN2000 2KTL 6KTL L1 User Manual 4 System Installation Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 23 ...

Page 30: ... the SUN2000 on the ground use foam paper or other protection material to prevent damage to its enclosure Figure 4 6 Moving a SUN2000 End 4 5 Installing a SUN2000 Installation Precautions Figure 4 7 shows the dimensions of mounting holes for the SUN2000 Figure 4 7 Mounting bracket dimensions SUN2000 2KTL 6KTL L1 User Manual 4 System Installation Issue 04 2021 04 01 Copyright Huawei Technologies Co...

Page 31: ...e 4 8 Expansion bolt composition 1 Bolt 2 Nut 3 Spring washer 4 Flat washer 5 Expansion sleeve NOTICE To prevent dust inhalation or contact with eyes wear safety goggles and an anti dust mask when drilling holes Wipe away any dust in or around the holes and measure the hole distances If the holes are inaccurately positioned drill holes again Level the head of the expansion sleeve with the concrete...

Page 32: ... the mounting bracket Step 5 Tighten the nuts Figure 4 11 Tightening nuts Step 6 Optional Install an anti theft lock NOTICE Prepare an anti theft lock suitable for the lock hole diameter Ф10 mm An outdoor waterproof lock is recommended Keep the key to the anti theft lock SUN2000 2KTL 6KTL L1 User Manual 4 System Installation Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 26 ...

Page 33: ...ng the marking off template and then mark the positions with a marker Figure 4 13 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 SUN2000 2KTL 6KTL L1 User Manual 4 System Installation Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 27 ...

Page 34: ...ure the mounting bracket NOTE Prepare bolt assemblies based on the hole diameter of the mounting bracket Step 4 Optional Install the locking screw for the DC switch SUN2000 2KTL 6KTL L1 User Manual 4 System Installation Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 28 ...

Page 35: ...t assemblies Step 7 Optional Install an anti theft lock NOTICE Prepare an anti theft lock suitable for the lock hole diameter Ф10 mm An outdoor waterproof lock is recommended Keep the key to the anti theft lock Figure 4 18 Installing an anti theft lock End SUN2000 2KTL 6KTL L1 User Manual 4 System Installation Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 29 ...

Page 36: ... connections is not covered under any warranty 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 SUN2000 2KTL...

Page 37: ...g A PV string is composed of the PV modules connected in series and works with an optimizer The SUN2000 supports the input from two PV strings Prepared by the customer B Smart PV optimizer The SUN2000 450W P smart PV optimizer is supported Purchased from Huawei SUN2000 2KTL 6KTL L1 User Manual 5 Electrical Connection Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 31 ...

Page 38: ...epared by the customer E Battery switch Recommended a DC circuit breaker with a rated voltage greater than or equal to 600 V DC and a rated current of 20 A Prepared by the customer F Smart Donglea Supported models WLAN FE Smart Dongle SDongleA 05 4G Smart Dongle SDongleA 03 Purchased from Huawei G Smart Power Sensor b The SUN2000 can connect to the DDSU666 H and DTSU666 H smart power sensors Purch...

Page 39: ...ctly displayed on the NMS The LUNA2000 batteries can be used only with DDSU666 H and DTSU666 H meters Prepared by the customer H SUN2000 Select a proper model as required Purchased from Huawei I AC switch Recommended a single phase AC circuit breaker with a rated voltage greater than or equal to 250 V AC and a rated current of 16 A SUN2000 2KTL L1 25 A SUN2000 3KTL L1 and SUN2000 3 68KTL L1 32 A S...

Page 40: ...ble Common outdoor PV cable in the industry Conductor cross sectional area 4 6 mm2 Cable outer diameter 5 5 9 mm Prepared by the customer 2 Optional Battery cable Common outdoor PV cable in the industry Conductor cross sectional area 4 6 mm2 Cable outer diameter 5 5 9 mm Prepared by the customer 3 Optional Signal cable Outdoor shielded twisted pair cable Conductor cross sectional area Combined cri...

Page 41: ...um cable diameter must comply with local cable standards The factors that affect cable selection include the rated current cable type routing mode ambient temperature and maximum expected line loss 5 2 Connecting PE Cables Precautions DANGER Ensure that the PE cable is securely connected Otherwise electric shocks may occur Do not connect the neutral wire to the enclosure as a PE cable Otherwise el...

Page 42: ...east one of the following requirements before the grounding detection function becomes invalid If the PE terminal is not connected to the AC connector use a single core outdoor copper cable with a conductor cross sectional area of at least 10 mm2 as the PE cable on the chassis Use cables with the same diameter as the AC output power cable and ground the PE terminal on the AC connector and the grou...

Page 43: ... E Heat gun Step 2 Connect the PE cable NOTICE Ensure that the PE cable is connected securely You are advised to use the right ground point and reserve the other ground point for future use SUN2000 2KTL 6KTL L1 User Manual 5 Electrical Connection Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 37 ...

Page 44: ...e SIM card determine its installation direction based on the silk screen and arrow on the card slot Press the SIM card in place to lock it indicating that the SIM card is correctly installed When removing the SIM card push it inwards to eject it When reinstalling the cover of the Smart Dongle ensure that the buckles spring back in place with a click sound 4G Smart Dongle 4G Communication Figure 5 ...

Page 45: ...05 Quick Guide WLAN FE You can also scan the QR code to obtain the document For details about how to use the 4G Smart Dongle SDongleA 03 see the SDongleA 03 Quick Guide 4G You can also scan the QR code to obtain the document The quick guide is delivered with the Smart Dongle 5 4 Installing a WLAN Antenna Procedure Step 1 Remove the watertight cap from the ANT port Step 2 Install the washer to the ...

Page 46: ...0 can be safely disconnected from the power grid WARNING Do not connect loads between the SUN2000 and the AC switch The SUN2000 is integrated with a comprehensive residual current monitoring unit Once detecting that the residual current exceeds the threshold the SUN2000 immediately disconnects itself from the power grid SUN2000 2KTL 6KTL L1 User Manual 5 Electrical Connection Issue 04 2021 04 01 C...

Page 47: ... PE point at the AC output port is used only as a PE equipotential point and cannot substitute for the PE point on the enclosure Keep the AC output power cable and the PE cable close to each other Keep the AC output power cable and the DC input power cable close to each other Ensure that the cable jacket is inside the connector Ensure that the exposed core is totally inserted into the cable hole E...

Page 48: ... the core installation method and the length for cable stripping see the instructions on the side of the plug insert Figure 5 9 Length for cable stripping Step 2 Connect the AC connector to the AC output port NOTICE Ensure that the AC connector is connected securely SUN2000 2KTL 6KTL L1 User Manual 5 Electrical Connection Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 42 ...

Page 49: ...ARNING Before removing the AC connector ensure that the DC switch at the bottom of the SUN2000 and all the switches connected to the SUN2000 are OFF To remove the AC connector from the SUN2000 perform the operations in reverse order SUN2000 2KTL 6KTL L1 User Manual 5 Electrical Connection Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 43 ...

Page 50: ...hat the following conditions are met Otherwise the SUN2000 may be damaged or even a fire could happen The DC input voltage of the SUN2000 shall not exceed maximum input voltage under any circumstance The polarities of electric connections are correct on the DC input side The positive and negative terminals of a PV string connect to corresponding positive and negative DC input terminals of the SUN2...

Page 51: ...aused device damage is not covered under any warranty or service agreement Figure 5 13 DC input terminals 1 Terminals of DC input 1 2 Terminals of DC input 2 Procedure Step 1 Assemble a DC connector CAUTION Use the Staubli MC4 positive and negative metal terminals and DC connectors delivered with the SUN2000 Using incompatible positive and negative metal terminals and DC connectors may result in s...

Page 52: ...ack the DC input power cables to ensure that they are connected securely Figure 5 14 Assembling a DC connector NOTE If the PV string is not configured with an optimizer use a multimeter to measure the voltage at the DC position The multimeter must have a DC voltage range of at least 600 V If the voltage is a negative value the DC input polarity is incorrect and needs correction If the voltage is g...

Page 53: ...nect the positive and negative connectors Otherwise the device may be damaged The caused device damage is not covered under any warranty or service agreement Wait until the night when solar irradiance declines and the PV string current drops to below 0 5 A Then set the DC switch to the OFF position remove the positive and negative connectors and correct the polarities of the DC input power cables ...

Page 54: ...n electric shocks If no battery connects to the SUN2000 do not remove the watertight cap from the battery terminal Otherwise the IP rating of the SUN2000 will be affected If a battery connects to the SUN2000 set aside the watertight cap Reinstall the watertight cap immediately after removing the connector The high voltage of the battery terminal may result in electric shocks A battery switch can b...

Page 55: ...er Cables DANGER The battery voltage will result in serious injury Use dedicated insulation tools to connect cables Ensure that cables are correctly connected between the battery terminal and the battery switch and between the battery switch and the SUN2000 battery terminal NOTICE Cables with high rigidity such as armored cables are not recommended as battery cables because poor contact may be cau...

Page 56: ...hen laying out signal cables separate them from power cables and keep them away from strong interference sources to prevent communication interruption Figure 5 18 Signal cable ports SUN2000 2KTL 6KTL L1 User Manual 5 Electrical Connection Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 50 ...

Page 57: ...ifferential signal 5 GND GND of the enable signal 12V DI1 DI2 Used for connecting to GND of the enable signal 12V DI1 DI2 6 EN Enable signal 12V Used for connecting to the enable signal of the battery and the 12V positive signal 7 DI1 Digital input signal 1 Used for connecting to the DI1 positive signal It can be used for connecting to the DRM0 scheduling signal or reserved for the rapid shutdown ...

Page 58: ...me SUN2000 Single SUN2000 scenarios Figure 5 19 Single SUN2000 Figure 5 20 Connecting cables to the smart power sensor single SUN2000 SUN2000 cascading scenarios In phase grid connection SUN2000 2KTL 6KTL L1 User Manual 5 Electrical Connection Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 52 ...

Page 59: ...n Figure 5 22 Connecting cables to the smart power sensor in phase grid connection Balanced three phase grid connection SUN2000 2KTL 6KTL L1 User Manual 5 Electrical Connection Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 53 ...

Page 60: ...ro export If the SUN2000s requires the grid tied point control function they need to be connected to a smart power sensor In the scenario of balanced three phase grid connection if the SUN2000s requires the grid tied point control function they need to be connected to a three phase smart power sensor to control the total three phase power Only one LG battery is supported and the LG battery must be...

Page 61: ...nserted into the cable hole Ensure that the signal cables are connected securely Ensure that the cables are not twisted If multiple signal cables need to be connected to a single connector ensure that the outer diameters of the signal cables are the same Figure 5 25 Crimping two signal cables Figure 5 26 Crimping three signal cables SUN2000 2KTL 6KTL L1 User Manual 5 Electrical Connection Issue 04...

Page 62: ...g a signal connector SUN2000 cascading Step 2 Connect the signal connector to the corresponding port NOTICE Ensure that the signal connector is connected securely SUN2000 2KTL 6KTL L1 User Manual 5 Electrical Connection Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 56 ...

Page 63: ...Figure 5 29 Securing a signal connector End SUN2000 2KTL 6KTL L1 User Manual 5 Electrical Connection Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 57 ...

Page 64: ... Grounding The PE cable is connected correctly securely and reliably 6 Switch The DC switch and all the switches connecting to the SUN2000 are OFF 7 Cable connection The AC output power cable DC input power cable battery cable and signal cable are connected correctly securely and reliably 8 Unused terminal and port Unused terminals and ports are locked by watertight caps 9 Installation environment...

Page 65: ...e SUN2000 connected to the power grid will shut down and start again Procedure Step 1 If the battery port of the SUN2000 is connected to a battery turn on the auxiliary power switch of the battery and then the battery switch Step 2 Turn on the AC switch between the SUN2000 and the power grid Step 3 Optional Remove the locking screw from the DC switch Figure 6 1 Removing the locking screw from a DC...

Page 66: ...d mode Blinking orange slowly Off The DC is on and the SUN2000 has no output in the off grid mode Blinking orange slowly Blinking orange slowly The SUN2000 is operating in the overload in backup mode Off Off Both the DC and AC are off Blinking red at short intervals on for 0 2s and then off for 0 2s There is a DC environmental alarm such as an alarm indicating that High String Input Voltage String...

Page 67: ...off grid load power and manually clear the alarm or until the inverter is recovered The inverter attempts to restart at an interval of 5 minutes If the inverter fails to restart for three times the interval changes to 2 hours If the inverter is standby in off grid mode check the inverter alarms and rectify the fault Table 6 3 LED indicators 2 Category Status Description Device replacement indicati...

Page 68: ...u have an installer account skip this step You can register an account only using a mobile phone only in China The mobile number or email address used for registration is the user name for logging in to the FusionSolar app Create the first installer account and create a domain named after the company name SUN2000 2KTL 6KTL L1 User Manual 7 Man Machine Interaction Issue 04 2021 04 01 Copyright Huaw...

Page 69: ...ccounts for a company log in to the FusionSolar app and tap New User to create an installer account Figure 7 3 Creating multiple installer accounts for the same company SUN2000 2KTL 6KTL L1 User Manual 7 Man Machine Interaction Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 63 ...

Page 70: ... the operations in this section Check that the SN labels of smart PV optimizers are correctly attached to the physical layout template Take and save a photo of the physical layout template Keep your phone parallel to the template and take a photo in landscape mode Ensure that the four positioning points in the corners are in the frame Ensure that each QR code is attached within the frame For detai...

Page 71: ...the FusionSolar Smart PV Management System On the home page click the plant name to go to the plant page Choose Plant layout click Add Physical Layout and upload the physical layout template photo Figure 7 6 Uploading the physical layout template photo WebUI Step 2 Log in to https intl fusionsolar huawei com to access the WebUI of the FusionSolar Smart PV Management System On the Homepage page cli...

Page 72: ...splayed 2 Tap the blank area The Identify image and Add PV modules buttons are displayed You can use either of the following methods to perform operations as prompted Method 1 Tap Identify image and upload the physical layout template photo to complete the optimizer layout The optimizers that fail to be identified need to be manually bound Method 2 Tap Add PV modules to manually add PV modules and...

Page 73: ... document 7 2 1 Energy Control On the home screen tap Power adjustment to perform the corresponding operation Figure 7 9 Energy control 7 2 1 1 Grid tied Point Control Function Limits or reduces the output power of the PV power system to ensure that the output power is within the power deviation limit Procedure Step 1 On the home screen choose Power adjustment Grid tied point control Figure 7 10 G...

Page 74: ...N2000 output power If the power fluctuation is within the power control hysteresis the power is not adjusted Active power output limit for fail safe Specifies the derating value of the SUN2000 active power by percentage If the Smart Dongle does not detect any meter data or the communication between the Smart Dongle and the SUN2000 is disconnected the Smart Dongle delivers the derating value of the...

Page 75: ...tment Power control hysteresis Specifies the dead zone for adjusting the SUN2000 output power If the power fluctuation is within the power control hysteresis the power is not adjusted Active power output limit for fail safe Specifies the derating value of the SUN2000 active power by percentage If the Smart Dongle does not detect any meter data or the communication between the Smart Dongle and the ...

Page 76: ...aximum grid feed in power Specifies the percentage of the maximum active power of the grid tied point to the PV plant capacity Power adjustment period Specifies the shortest interval for a single anti backfeeding adjustment Power control hysteresis Specifies the dead zone for adjusting the SUN2000 output power If the power fluctuation is within the power control hysteresis the power is not adjuste...

Page 77: ...ies the time for determining the communication disconnection between the SUN2000 and the Dongle This parameter is displayed when Communication disconnection fail safe is set to Enable End 7 2 1 2 Battery Control Function If the SUN2000 connects to a battery you need to set battery parameters Forcible Charge and Discharge Step 1 On the home screen choose Power adjustment Battery control Forced char...

Page 78: ...orced charge discharge time min Specifies the forced charge discharge duration 0 1440 Remaining charge discharge time min It cannot be set which means the remaining time of charge or discharge End Control Mode Step 1 On the home screen choose Power adjustment Battery control Control mode and perform the required operation Tap Submit Figure 7 12 Fixed charge discharge Figure 7 13 Maximum self consu...

Page 79: ...ption and the SUN2000 is connected to a smart power sensor the SUN2000 provides output power for local loads before feeding the remaining power to the power grid If this parameter is set to Time of use the battery is discharged when the electricity price is high and charged when the electricity price is low A maximum of 10 time periods can be added Fixed charge discharge Maximum self consumption T...

Page 80: ... choose Power adjustment Battery control Charge from grid Figure 7 15 Charge from grid Figure 7 16 End of discharge capacity SUN2000 2KTL 6KTL L1 User Manual 7 Man Machine Interaction Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 74 ...

Page 81: ...capacity is higher than Grid charge cutoff SOC the system stops charging batteries from the power grid To set the discharge cutoff capacity choose Maintenance Add Delete device Battery End of discharge capacity on the home screen The value range is 12 20 as shown in Figure 7 16 If Charge from grid function is disabled by default comply with the grid charge requirements stipulated in local laws and...

Page 82: ...manually clear the alarm on the SUN2000 so that it can work properly You can manually clear the alarm as follows Method 1 FusionSolar App Log in to the FusionSolar app and choose My Device Commissioning On the Device Commissioning screen connect and log in to the SUN2000 that generates the AFCI alarm tap Alarm management and tap Clear on the right of the DC arc fault alarm to clear the alarm Figur...

Page 83: ...and protection time of the maximum voltage over 10 min 59 S1 maximum overvoltage 59 S2 minimum undervoltage 27 S1 minimum undervoltage 27 S2 maximum overfrequency 81 S1 maximum overfrequency 81 S2 minimum underfrequency 81 S and minimum underfrequency 81 S2 Procedure Step 1 On the home screen choose Maintenance IPS test to access the IPS test screen Step 2 Tap Start to start an IPS test The SUN200...

Page 84: ...otection threshold is 264 5 V 1 15 Vn and the default protection time threshold is 0 2s Minimum undervoltage 27 S1 The default undervoltage protection threshold is 195 5 V 0 85 Vn and the default protection time threshold is 1 5s Minimum undervoltage 27 S2 The default undervoltage protection threshold is 34 5 V 0 15 Vn and the default protection time threshold is 0 2s Maximum overfrequency 81 S1 T...

Page 85: ...tep 3 After the IPS test is complete IPS State is displayed as IPS state success Tap Historical report in the upper right corner of the screen to view the IPS check report End 7 2 4 DRM Australia AS4777 Function According to Australia AS 4777 2 2015 solar inverters need to support the function of demand response mode DRM and DRM0 is a mandatory requirement This function is disabled by default Figu...

Page 86: ...verter should be turned off When switch S0 is switched off and switch S9 is switched on the solar inverter should be grid tied Procedure Step 1 On the home page choose Settings Feature parameters Step 2 Set DRM to Figure 7 22 DRM End SUN2000 2KTL 6KTL L1 User Manual 7 Man Machine Interaction Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 80 ...

Page 87: ...on the app Step 2 Turn off the AC switch between the SUN2000 and the power grid Step 3 Turn off the DC switch at the bottom of the SUN2000 Step 4 Optional Install the locking screw for the DC switch Figure 8 1 Installing a locking screw for the DC switch Step 5 Turn off the DC switch between the SUN2000 and PV strings Step 6 Optional Turn off the battery switch between the SUN2000 and batteries En...

Page 88: ...d Check that all SUN2000 parameters are correctly set during operation Once every six months Electrical connection Check that cables are secured Check that cables are intact and that in particular the parts touching the metallic surface are not scratched Check that unused DC input terminals battery terminals COM ports ANT ports and Smart Dongle waterproof covers are locked The first inspection is ...

Page 89: ...ater than the maximum operating voltage of the SUN2000 After the PV array configuration is corrected the alarm disappears 2002 DC Arc Fault Major The PV string power cables arc or are in poor contact Cause ID 1 2 1 PV1 DC arc fault 2 PV2 DC arc fault Check whether the string cables arc or are in poor contact 2011 String Reversed Major The PV string is reversely connected Cause ID 1 2 1 PV1 is reve...

Page 90: ...RT 1 If the alarm occurs occasionally the power grid may be abnormal temporarily The SUN2000 automatically recovers after detecting that the power grid becomes normal 2 If the alarm occurs frequently check whether the power grid voltage is within the allowed range If no contact the local power operator If yes modify the grid undervoltage protection threshold through the mobile app SmartLogger or n...

Page 91: ... that the power grid becomes normal 2 If the alarm occurs frequently check whether the power grid voltage is within the allowed range If no contact the local power operator If yes modify the grid overvoltage protection threshold through the mobile app SmartLogger or NMS with the consent of the local power operator 3 Check whether the peak voltage of the power grid is too high If the fault persists...

Page 92: ...e mobile app SmartLogger or NMS with the consent of the local power operator 2037 Grid Underfrequenc y Major Cause ID 1 Power grid exception The actual power grid frequency is lower than the standard requirement for the local power grid 1 If the alarm occurs occasionally the power grid may be abnormal temporarily The SUN2000 automatically recovers after detecting that the power grid becomes normal...

Page 93: ... output current exceeds the upper threshold and therefore the SUN2000 protection is triggered 1 The SUN2000 detects its external working conditions in real time After the fault is rectified the SUN2000 automatically recovers 2 If the alarm occurs frequently and affects the energy yield of the power plant check whether the output is short circuited If the fault persists contact your dealer or Huawe...

Page 94: ...f the PV array is damp and the insulation between the PV array and the ground is poor 1 Check the output impedance of the PV array to ground If there is a short circuit or lack of insulation rectify it 2 Check that the PE cable of the SUN2000 is correctly connected 3 If the impedance is lower than the specified protection threshold in rainy and cloudy days set Insulation resistance protection usin...

Page 95: ...ng properly Check the ventilation and ambient temperature of the SUN2000 installation position If the ventilation is poor or the ambient temperature exceeds the upper threshold improve the ventilation and heat dissipation If the ventilation and ambient temperature both meet requirements contact your dealer or Huawei technical support SUN2000 2KTL 6KTL L1 User Manual 8 System Maintenance Issue 04 2...

Page 96: ...sensor is faulty 6 The temperature detection fails 7 EEPROM read write fails 8 The auxiliary power supply is abnormal 9 The grid tied relay is abnormal 10 The DC bus experiences overvoltage 11 The DC bus experiences undervoltage 12 The DC bus experiences voltage imbalance Turn off the AC output switch and DC input switch and then turn them on after 5 minutes If the fault persists contact your deal...

Page 97: ... Cause ID 1 The flash memory is insufficient The flash memory has bad sectors Turn off the AC output switch and DC input switch and then turn them on after 5 minutes If the fault persists replace the monitoring board or contact your dealer Huawei technical support 2067 Faulty Power Collector Major Cause ID 1 The smart power sensor is disconnected 1 Check that the configured power meter model is th...

Page 98: ...hat the auxiliary power switch on the battery is set to ON 4 Send a shutdown command on the app Turn off the AC output switch DC input switch and battery switch Then turn on the battery switch AC output switch and DC input switch in sequence after 5 minutes 5 If the fault persists contact your dealer or Huawei technical support 2070 Active Islanding Major Cause ID 1 When the power grid experiences...

Page 99: ...cenarios the PV string voltage exceeds the inverter input voltage specifications Check whether the total number of PV modules number of PV modules in a string and number of PV strings meet requirements and whether the PV module output is reversely connected ID2 Check whether the PV string power or the number of PV modules connected in series in the PV string exceeds the upper threshold ID3 1 Check...

Page 100: ...bnormal Major Cause ID 1 The inverter fails to communicate with the Smart Backup Box Cause ID 2 An unrecoverable fault occurs on a circuit inside the Smart Backup Box 1 Send a shutdown command on the app Turn off the AC output switch DC input switch and battery switch 2 Check whether the power cable and RS485 cable between the Smart Backup Box and the inverter are normal 3 After 5 minutes turn on ...

Page 101: ...ting bracket Step 5 Remove the mounting bracket End 9 2 Packing a SUN2000 If the original packaging is available put the SUN2000 inside it and then seal it using adhesive tape If the original packaging is unavailable put the SUN2000 inside a suitable hard carton and seal it properly 9 3 Disposing a SUN2000 If the SUN2000 service life expires dispose the SUN2000 according to the local disposal rule...

Page 102: ...cations SUN200 0 2KTL L1 SUN200 0 3KTL L1 SUN200 0 3 68K TL L1 SUN200 0 4KTL L1 SUN200 0 4 6KT L L1 SUN200 0 5KTL L1 SUN200 0 6KTL L1 Maximum input voltagea No battery connected 600 V LG RESU battery connected 495 V Maximum input current per MPPT 12 5A Maximum short circuit current per MPPT No battery connected 18 A LG RESU battery connected 15 A Operating voltage range No battery connected 80 600...

Page 103: ... 5000 Wa 6000 W Maximum apparent power 2200 VA 3300 VA 3680 VA 4400 VA 5000 VAb 5500 VAc 6000 VA Rated output voltage 220 V 230 V 240 V Adapted power grid frequency 50 Hz 60 Hz Maximum output current 10 A 15 A 16 A 20 A 23 Ad 25 Ad 27 3 A Power factor 0 8 leading and 0 8 lagging Maximum total harmonic distortion rated power 3 Note a The rated output power is 4991 W for the AS4777 grid code Note b ...

Page 104: ...emperature protection Supported DC surge protection Supported AC surge protection Supported AC overvoltage protection Supported Arc fault protection Supported Communications Technical Specifications SUN200 0 2KTL L1 SUN200 0 3KTL L1 SUN200 0 3 68K TL L1 SUN200 0 4KTL L1 SUN200 0 4 6KT L L1 SUN200 0 5KTL L1 SUN200 0 6KTL L1 Display LED indicators WLAN App WLAN Supported RS485 Supported Maximum RS48...

Page 105: ...temperature is higher than 45 C 25 C to 60 C derated when the temperature is higher than 40 C Humidity 0 100 RH Operating altitude 0 4000 m derated above 2000 m 10 2 Optimizer Technical Specifications Efficiency Technical Specifications SUN2000 450W P Maximum efficiency 99 5 European weighted efficiency 99 0 Input Technical Specifications SUN2000 450W P Rated PV module power 450 W Maximum PV modul...

Page 106: ...rameters Technical Specifications SUN2000 450W P Dimensions W x H x D 71 mm x 138 mm x 25 mm Net weight 550 g DC input and output terminals Staubli MC4 Operating temperature 40 C to 85 C Storage temperature 40 C to 70 C Operating humidity 0 100 RH Maximum operating altitude 4000 m IP rating IP68 Installation mode PV module support installation PV module frame installation SUN2000 2KTL 6KTL L1 User...

Page 107: ...t ed Support ed Support ed Support ed Support ed Support ed Support ed UTE C 15 712 1 B France island power grid Support ed Support ed Support ed Support ed Support ed Support ed Support ed UTE C 15 712 1 C France island power grid Support ed Support ed Support ed Support ed Support ed Support ed Support ed CEI0 21 Italy power grid Support ed Support ed Support ed Support ed Support ed Support ed ...

Page 108: ... 60Hz IEC 61727 LV 60 Hz Support ed Support ed Support ed Support ed Support ed Support ed Support ed TAI PEA Thailand grid tied standard power grid Support ed Support ed TAI MEA Thailand grid tied standard power grid Support ed Support ed EN5054 9 LV Ireland power grid Support ed Support ed Support ed Support ed Support ed Support ed Support ed EN5054 9 SE Sweden LV Support ed Support ed Support ...

Page 109: ...port ed NRS 097 2 1 South Africa Power Grid Support ed Support ed Support ed Support ed Support ed SWITZE RLAND NA EEA 2020 LV230 Switzerla nd Support ed Support ed Support ed Support ed Support ed Support ed Support ed SINGAP ORE Singapor e LV power grid Support ed Support ed Support ed Support ed Support ed Support ed Support ed HONGK ONG Hong Kong LV power grid Support ed Support ed Support ed ...

Page 110: ...200 0 5KTL L1 SUN200 0 6KTL L1 DANMA RK EN5054 9 DK1 LV230 Denmark Support ed Support ed Support ed Support ed Support ed Support ed DANMA RK EN5054 9 DK2 LV230 Denmark Support ed Support ed Support ed Support ed Support ed Support ed SUN2000 2KTL 6KTL L1 User Manual A Grid Code Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 104 ...

Page 111: ... Step 1 Access Device Commissioning screen Figure B 1 Method 1 before login not connected to the Internet SUN2000 2KTL 6KTL L1 User Manual B Device Commissioning Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 105 ...

Page 112: ...g the SUN2000 to the WLAN over a router ensure that the mobile phone and SUN2000 are in the WLAN coverage of the router and the SUN2000 is connected to the router The router supports WLAN IEEE 802 11 b g n 2 4 GHz and the WLAN signal reaches the SUN2000 The WPA WPA2 or WPA WPA2 encryption mode is recommended for routers Enterprise level encryption is not supported for example public hotspots requi...

Page 113: ...ssword 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 When you access the Device Commissioning screen of the SUN2000 for the first time you need to manually set the login password because the SUN2000 does not have an initial login password Figure B 3 Quick setti...

Page 114: ...ervals 3 Turn off the AC switch and set the DC switch to OFF Wait until all LED indicators on the SUN2000 panel are off 4 Turn on the AC switch and set the DC switch to ON Wait until all indicators on the solar inverter panel blink and turn off 30 seconds later Step 3 Reset the password within 10 minutes If no operation is performed within 10 minutes all inverter parameters remain unchanged 1 Wait...

Page 115: ...n configuration Router connection settings and set router parameters Figure C 2 Setting router parameters Setting management system parameters Log in to the FusionSolar app choose Device Commissioning Settings Communication configuration Management System Configuration and set management system parameters SUN2000 2KTL 6KTL L1 User Manual C Resetting Password Issue 04 2021 04 01 Copyright Huawei Te...

Page 116: ...o the FusionSolar app choose Device Commissioning Settings Communication configuration Inverter WLAN settings and reset the WLAN password Figure C 4 Resetting the WLAN password End SUN2000 2KTL 6KTL L1 User Manual C Resetting Password Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 110 ...

Page 117: ...following step to trigger rapid shutdown Method 1 Turn off the AC switch between the solar inverter and the power grid If the SUN2000 supports and enables the off grid function the rapid shutdown function is not supported Method 2 Turn off the DC switch at the bottom of the SUN2000 If an extra DC switch is connected to the input side of the SUN2000 turning off this DC switch will not trigger rapid...

Page 118: ...ected and set the DC switch at the bottom of the solar inverter to OFF If the solar inverter connects to batteries wait for 1 minute and turn off the the battery switch and then the auxiliary power switch of the battery Step 2 Connect each PV string to the solar inverter and set the DC switch to ON If the solar inverter status is Shutdown Command choose Device Commissioning Maintenance Inverter ON...

Page 119: ...ntage of the possible short circuit position is 34 the possible fault position is 4 76 14 x 34 indicating that the fault is located near PV module 4 including the previous and the next PV modules and the cables of PV module 4 The solar inverter has a detection precision of 1 PV module Figure E 2 Definition of the percentage of the short circuit position Step 4 Set the DC switch to OFF and check wh...

Page 120: ...the position of the ground insulation fault 1 Disconnect the possible faulty PV module from the optimizer 2 Set the DC switch to OFF 3 Connect the possible faulty optimizer to the PV string 4 Set the DC switch to ON If the solar inverter status is Shutdown Command choose Device Commissioning Maintenance Inverter ON OFF on the app and send a startup command Check whether the Low Insulation Resistan...

Page 121: ...e through H HVRT high voltage ride through I ID identifier L LED light emitting diode LVRT low voltage ride through M MAC Media Access Control MPPT maximum power point tracking P PE protective earthing SUN2000 2KTL 6KTL L1 User Manual F Acronyms and Abbreviations Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 115 ...

Page 122: ...voltaic R RCMU residual current monitoring unit RH relative humidity S SN serial number SUN2000 2KTL 6KTL L1 User Manual F Acronyms and Abbreviations Issue 04 2021 04 01 Copyright Huawei Technologies Co Ltd 116 ...

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