Huawei SUN600-5KTL-L0 User Manual

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SUN600-(5KTL, 6KTL)-L0

User Manual

Issue

Date

2023-02-17

HUAWEI TECHNOLOGIES CO., LTD.

Table of Contents

Summary of Contents for Huawei SUN600-5KTL-L0

Page 1 SUN600-(5KTL, 6KTL)-L0 User Manual Issue Date 2023-02-17 HUAWEI TECHNOLOGIES CO., LTD.
Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...
Page 3: About This Document
Indicates a potentially hazardous situation which, if not avoided, could result in equipment damage, data loss, performance deterioration, or unanticipated results. NOTICE is used to address practices not related to personal injury. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 4 Issue 02 (2021-12-20) ● Updated 7.1.3 Creating a PV Plant and a User. ● Updated 7.2.1 Energy Control. ● Updated 10 Technical Parameters. Issue 01 (2021-11-01) This issue is the first official release. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 5: Table Of Contents
5.4 (Optional) Installing a Smart Dongle..........................42 5.5 Installing a WLAN Antenna............................... 43 5.6 Connecting an AC Output Power Cable........................44 5.7 Connecting DC Input Power Cables..........................47 5.8 (Optional) Connecting Signal Cables..........................51 Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 6 10 Technical Parameters......................90 10.1 Inverter Technical Specifications........................... 90 A Grid Code..........................94 B Device Commissioning......................96 C Resetting Password.......................99 D Rapid Shutdown......................... 102 E Locating Insulation Resistance Faults................103 F Acronyms and Abbreviations....................106 Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 7: Safety Information
The equipment is damaged due to force majeure such as earthquakes, floods, volcanic eruptions, debris flows, lightning strikes, fires, wars, armed conflicts, typhoons, hurricanes, tornadoes, and other extreme weather conditions. ● The equipment is operated beyond the conditions specified in this document. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 8: Personal Safety
D ANGER During operations, use dedicated insulated tools to prevent electric shocks or short circuits. The dielectric withstanding voltage level must comply with local laws, regulations, standards, and specifications. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 9 Professionals: personnel who are familiar with the working principles and structure of the equipment, trained or experienced in equipment operations and are clear of the sources and degree of various potential hazards in equipment installation, operation, maintenance Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 10: Electrical Safety
WARNING For the equipment that needs to be grounded, install the ground cable first when installing the equipment and remove the ground cable last when removing the equipment. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 11 ● Only qualified professionals can replace a damaged cable. ● Do not scrawl, damage, or block any labels or nameplates on the equipment. Promptly replace labels that have worn out. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 12: Environment Requirements
1.3 Environment Requirements D ANGER Do not expose the equipment to flammable or explosive gas or smoke. Do not perform any operation on the equipment in such environments. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 13 Do not install the equipment in an area conducive for the growth of microorganisms such as fungus or mildew. ● Do not install the equipment in an area with strong vibration, noise, or electromagnetic interference. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 14: Mechanical Safety
General Requirements ● Repaint any paint scratches caused during equipment transportation or installation in a timely manner. Equipment with scratches cannot be exposed for an extended period of time. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 15 When moving the equipment, assign dedicated personnel to take care of it. ● Choose sea or roads in good conditions for transportation as transportation by railway or air is not supported. Avoid tilt or jolt during transportation. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 16 If a single ladder is used, do not climb higher than the fourth rung of the ladder from the top. ● If you use a single ladder to climb up to a platform, ensure that the ladder is at least 1 m higher than the platform. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 17 Drilling Holes ● Obtain consent from the customer and contractor before drilling holes. ● Wear protective equipment such as safety goggles and protective gloves when drilling holes. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 18 To avoid short circuits or other risks, do not drill holes into buried pipes or cables. ● When drilling holes, protect the equipment from shavings. After drilling, clean up any shavings. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 19: Product Introduction
Product family Inverter: grid-tied solar inverter name Power level ● 5K: The power level is 5 kW. ● 6K: The power level is 6 kW. Topology TL: transformerless Design code L0: residential Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 20 The inverter 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 inverter scenario (dashed boxes indicate optional configuration) Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 21 (F) Smart Power Sensor (G) Residential (H) Power grid (I) Household load power meter (J) FusionSolar app (K) 4G Smart Dongle (L) WLAN-FE Smart Dongle (M) Router (N) FusionSolar Smart PV Management System Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 22: Component Description
The inverter 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 2.2 Component Description Appearance Figure 2-5 Appearance Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 23: Label Description
It takes 5 minutes for the inverter to discharge to the safe voltage. Burn warning Do not touch a running inverter because it generates high temperatures on the shell. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 24 AC output connector when the inverter is running. Grounding warning Ground the inverter before powering it on. Inverter serial number Indicates the serial number. Inverter MAC address Indicates the MAC address. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 25: Product Nameplate
2.4 Working Principles Schematic Diagram The inverter receives inputs from up to two PV strings. Then the inputs are grouped into two MPPT routes inside the inverter to track the maximum power Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 26 ● The inverter continuously detects its operation status. Once the operating conditions are met, the inverter enters Operating mode. ● If the inverter detects a shutdown command or a fault after startup, it enters Shutdown mode. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 27 Shutdown mode. ● In Shutdown mode, if the inverter detects that the fault is rectified or the startup command is executed, the inverter enters Standby mode. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 28: Inverter Storage
● If the inverter has been stored for more than two years, it must be checked and tested by professionals before being put into use. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 29: System Installation
After unpacking the inverter, check that the contents are intact and complete. If any damage is found or any component is missing, contact your supplier. NO TE For details about the number of contents, see the Packing List in the packing case. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 30: Preparing Tools And Instruments
Cable cutter Crimping tool (model: Cord end terminal Disassembly and crimper Assembly Tool (model: CZM-22100/19100) PV-MS-HZ open-end wrench) Cable tie Vacuum cleaner Multimeter (DC voltage measurement range ≥ 600 V DC) Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 31: Determining The Installation Position
The inverter will be corroded in salt areas, and the salt corrosion may cause fire. Do not install the inverter outdoors in salt areas. A salt area refers to the region within 500 meters from the coast or prone to sea breeze. The regions Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 32 Install the inverter vertically or at a maximum back tilt of 15 degrees to facilitate heat dissipation. ● Do not install the inverter at forward tilted, excessive back tilted, side tilted, horizontal, or upside down positions. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 33 When installing multiple inverters, 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. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 34 SUN600-(5KTL, 6KTL)-L0 User Manual 4 System Installation Figure 4-3 Horizontal installation mode (recommended) Figure 4-4 Triangle installation mode (recommended) Figure 4-5 Stacked installation mode (not recommended) Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 35: Moving An Inverter
Figure 4-6 Moving an inverter ----End 4.5 Installing an Inverter Installation Precautions Figure 4-7 shows the dimensions of mounting holes for the inverter. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 36: Wall-Mounted Installation
Figure 4-8 Expansion bolt composition (1) Bolt (2) Nut (3) Spring washer (4) Flat washer (5) Expansion sleeve Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 37 Step 3 (Optional) Install the locking screw for the DC switch. Figure 4-10 Installing a locking screw for the DC switch Step 4 Install the inverter on the mounting bracket. Step 5 Tighten the nuts. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 38: Support-Mounted Installation
Figure 4-12 Installing an anti-theft lock ----End 4.5.2 Support-Mounted Installation Procedure Step 1 Determine the positions for drilling holes using the marking-off template, and then mark the positions with a marker. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 39 Step 2 Drill holes using a hammer drill. NO TE You are advised to apply anti-rust paint on the hole positions for protection. Figure 4-14 Drilling holes Step 3 Secure the mounting bracket. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 40 Step 4 (Optional) Install the locking screw for the DC switch. Figure 4-16 Installing a locking screw for the DC switch Step 5 Install the inverter on the mounting bracket. Step 6 Tighten the bolt assemblies. Figure 4-17 Tightening bolt assemblies Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 41 ● 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 Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 42: Electrical Connection
● Wear proper PPE at all time when terminating cables. ● To prevent poor cable connection due to overstress, it is recommended that the cables be bent and reserved, and then connected to the appropriate ports. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 43: Preparing Cables
DC switch Recommended: a DC Prepared by the circuit breaker with a customer rated voltage greater than or equal to 600 V DC and a rated current of 20 A Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 44 AC circuit breaker customer with a rated voltage greater than or equal to 250 V AC and a rated current of: ● 32 A (Smart Solar Inverter-5KTL-L0, and Smart Solar inverter-6KTL-L0) Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 45 4–10 mm copper cable and M6 by the OT terminal customer Note a: The minimum cross-sectional area of the cable should be selected based on the rated value of the AC fuse. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 46: Connecting Pe Cables
PE terminal on the AC connector and the ground screws on the chassis. ● In some countries and regions, the inverter must have additional ground cables. Use cables with the same diameter as the AC output power cable and Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 47 Step 2 Connect the PE cable. NO TICE ● 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. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 48: Optional) Installing A Smart Dongle
● 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 5-4 Installing a 4G Smart Dongle ● WLAN-FE Smart Dongle (FE Communication) Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 49: Installing A Wlan Antenna
Step 2 Install the washer to the ANT port on the chassis. Step 3 Install the WLAN antenna. NO TICE Ensure that the WLAN antenna is installed securely. Figure 5-6 Installing a WLAN antenna ----End Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 50: Connecting An Ac Output Power Cable
RCD should be greater than or equal to the number of inverters multiplied by 100 mA. ● A knife switch cannot be used as an AC switch. Procedure Step 1 Connect the AC output power cable to the AC connector. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 51 AC connector. ● Ensure that the cable is not twisted. Figure 5-7 Assembling an AC connector (three-core wire) Figure 5-8 Assembling an AC connector (two-core wire) Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 52 Figure 5-9 Length for cable stripping Step 2 Connect the AC connector to the AC output port. NO TICE Ensure that the AC connector is connected securely. Figure 5-10 Securing an AC connector Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 53: Connecting Dc Input Power Cables
OFF. To remove the AC connector from the inverter, perform the operations in reverse order. Figure 5-12 Removing a plug insert 5.7 Connecting DC Input Power Cables Precautions Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 54 In this case, an AC or DC short circuit may occur and damage the inverter. The caused device damage is not covered under any warranty or service agreement. Figure 5-13 DC input terminals Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 55 ● Insert the crimped metal terminals of the positive and negative power cables into the appropriate positive and negative connectors. Then pull back the DC input power cables to ensure that they are connected securely. Figure 5-14 Assembling a DC connector Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 56 NO TICE After the positive and negative connectors snap into place, pull the DC input power cables back to ensure that they are connected securely. Figure 5-15 Connecting DC input power cables Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 57: Optional) Connecting Signal Cables
Figure 5-16 Removing a DC connector 5.8 (Optional) Connecting Signal Cables Context NO TICE When laying out signal cables, separate them from power cables and keep them away from strong interference sources to prevent communication interruption. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 58 DRM0 scheduling signal port. Digital input Reserved port signal 2+ Communication Networking Mode NO TE The smart power sensor and Smart Dongle must be connected to the same inverter. ● Single inverter scenarios Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 59 5 Electrical Connection Figure 5-18 Single inverter Figure 5-19 Connecting cables to the smart power sensor (single inverter) ● Inverter cascading scenarios – In-phase grid connection Figure 5-20 In-phase grid connection Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 60 SUN600-(5KTL, 6KTL)-L0 User Manual 5 Electrical Connection Figure 5-21 Connecting cables to the smart power sensor (in-phase grid connection) – Balanced three-phase grid connection Figure 5-22 Balanced three-phase grid connection Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 61 ● 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. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 62 Figure 5-24 Crimping two signal cables Figure 5-25 Assembling a signal connector (inverter cascading) Step 2 Connect the signal connector to the corresponding port. NO TICE Ensure that the signal connector is connected securely. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 64: System Commissioning
The AC output power cable, DC input power cable, and signal cable are connected correctly, securely, and reliably. Unused terminal and port Unused terminals and ports are locked by watertight caps. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 65: System Power-On
Step 3 Turn on the DC switch between the PV string and the inverter if there is any. Step 4 Turn on the DC switch at the bottom of the inverter. Step 5 Observe the LEDs to check the inverter operating status. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 66 Communication is in then off for 0.2s) progress. Blinking green at long intervals (on for 1s and The mobile phone is then off for 1s) connected to the inverter. There is no communication. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 67 Table 6-3 LED indicators 2 Category Status Description Device LED1 LED2 LED3 – replacement Steady red Steady red Steady red The inverter hardware indication is faulty. The inverter needs to be replaced. ----End Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 68: Man-Machine Interaction
Method 1: Access https://solar.huawei.com using the mobile phone browser and download the latest installation package. Figure 7-1 Download Mode ● Method 2: Search for FusionSolar on Huawei AppGallery and download the latest installation package. ● Method 3: Scan the following QR code and download the latest installation package.
Page 69: Optional) Registering An Installer Account
To create multiple installer accounts for a company, log in to the FusionSolar app and tap New User to create an installer account. Figure 7-4 Creating multiple installer accounts for the same company Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 70: Creating A Pv Plant And A User
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. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 71 If the Smart Dongle does not detect any meter data or the communication between the Smart Dongle and the inverter is disconnected, the Smart Dongle delivers the derating value of the inverter active power by percentage. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 72 If the Smart Dongle does not detect any meter data or the communication between the Smart Dongle and the inverter is disconnected, the Smart Dongle delivers the derating value of the inverter active power by percentage. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 73 Power control Specifies the dead zone for adjusting hysteresis the inverter output power. If the power fluctuation is within the power control hysteresis, the power is not adjusted. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 74 Upper feed-in power threshold for inverter ● The default value is 0. This shutdown parameter specifies the power threshold of the grid-connection point for triggering inverter shutdown. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 75: Apparent Power Control On The Inverter Output Side
Note a: This parameter is supported only for the AS4777 grid code. ----End 7.2.1.2 Apparent Power Control on the Inverter Output Side On the home screen, tap Settings > Power adjustment to set inverter parameters. Figure 7-7 Apparent power control Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 76: Afci
Device Commissioning screen, connect and log in to the Inverter that generates the AFCI alarm, tap Alarm management, and tap Clear on the right of the DC arc fault alarm to clear the alarm. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 77 Switch to the owner account with PV plant management rights. On the home page, click the PV plant name to go to the PV plant page, and click OK as prompted to clear the alarm. Figure 7-10 Owner confirmation Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 78: Ips Check (For Italy Cei0-21 Grid Code Only)
IPS Test Type Description Maximum voltage The default maximum voltage over 10 min protection over 10 min threshold is 253 V (1.10 Vn), and the default protection (59.S1) time threshold is 3s. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 79: Drm (Australia As4777)
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. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 80 ● 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 Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 82: System Maintenance
Step 2 Turn off the AC switch between the inverter and the power grid. Step 3 Turn off the DC switch at the bottom of the inverter. Step 4 (Optional) Install the locking screw for the DC switch. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 83: Routine Maintenance
From then on, the scratched. interval can be 6 to ● Check that unused DC input 12 months. terminals, COM ports, ANT ports, and Smart Dongle waterproof covers are locked. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 84: Troubleshooting
Check whether the string arc or are in poor contact. cables arc or are in poor contact. Cause ID 1 = PV1 and PV2 Cause ID 2 = PV3 and PV4 Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 85 2. Check whether the AC experiences an outage. circuit is disconnected or the AC circuit breaker is ● The AC circuit is OFF. disconnected or the AC circuit breaker is OFF. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 86 (NMS) with the consent of the local power operator. 3. If the fault persists for a long time, check the connection between the AC switch and the output power cable. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 87 3. Check 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 operator. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 88 If no, contact the local power operator. If yes, modify the grid underfrequency protection threshold through the mobile app, or NMS with the consent of the local power operator. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 89 Overhigh conditions in real time. inverter output current After the fault is exceeds the specified upper rectified, the inverter threshold. automatically recovers. 2. If the alarm occurs frequently, contact your dealer. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 90 The short circuit position is valid for a single PV string. If there are multiple PV strings, check the PV strings one by one. For details, see E Locating Insulation Resistance Faults. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 91 ● The inverter is not improve the ventilation working properly. and heat dissipation. ● If the ventilation and ambient temperature both meet requirements, contact your dealer. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 92 ● 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. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 93 Active Islanding Major Cause ID = 1 Check that the grid connection voltage of the When the power grid inverter is normal. experiences an AC power outage, the inverter detects islanding proactively. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 94 SUN600-(5KTL, 6KTL)-L0 User Manual 8 System Maintenance NO TE Contact your dealer if all failure analysis procedures listed above are completed and the fault still exists. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 95: Inverter Disposal
9.3 Disposing an Inverter If the inverter service life expires, dispose the inverter according to the local disposal rules for electrical equipment and electronic component waste. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 96: Technical Parameters
80–600 V Startup voltage 100 V MPPT voltage range 90–560 V Rated input voltage 360 V Power supply Number of MPPTs Note a: The maximum input voltage includes the PV input voltage. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 97 Protection Technical Specifications Smart Solar Inverter-5KTL-L0 Smart Solar Inverter-6KTL-L0 Anti-islanding protection Supported DC reverse polarity protection Supported Insulation resistance detection Supported Residual current monitoring Supported unit (RCMU) AC short-circuit protection Supported Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 98 Smart Solar Inverter-6KTL-L0 Topology Non-Isolation IP rating IP65 Cooling mode Natural cooling Dimensions (H x W x D) 365 mm x 365 mm x 156 mm (including the mounting bracket) Weight 12 kg Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 99 –25°C to +60°C (derated when –25°C to +60°C (derated when the temperature is higher than the temperature is higher than +45°C) +40°C) Humidity 0–100% RH Operating altitude 0–4000 m (derated above 2000 m) Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 100: A Grid Code
IEC 61727 LV (60 Hz) Supported Supported TAI-PEA Thailand grid-tied Supported standard power grid TAI-MEA Thailand grid-tied Supported standard power grid EN50549-LV Ireland power grid Supported Supported EN50549-SE Sweden LV Supported Supported Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 101 Supported Supported DK2-LV230 AUSTRALIA- Australia power grid Supported Supported AS4777_A-LV230 AUSTRALIA- Australia power grid Supported Supported AS4777_B-LV230 AUSTRALIA- Australia power grid Supported Supported AS4777_C-LV230 AUSTRALIA- Australia power grid Supported Supported AS4777_NZ-LV230 Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 102: B Device Commissioning
B Device Commissioning Device Commissioning Step 1 Access Device Commissioning screen. Figure B-1 Method 1: before login (not connected to the Internet) Figure B-2 Method 2: after login (connected to the Internet) Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 103 ● When you access the Device Commissioning screen of the inverter for the first time, you need to manually set the login password because the inverter does not have an initial login password. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 106 Figure C-3 Setting management system parameters ● (Optional) Resetting the WLAN password Log in to the FusionSolar app, choose Device Commissioning > Settings > Communication configuration > Inverter WLAN settings, and reset the WLAN password. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 108: D Rapid Shutdown
Method 2: Turn off the DC switch at the bottom of the inverter. (If an extra DC switch is connected to the input side of the inverter, turning off this DC switch will not trigger rapid shutdown.) Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 109: E Locating Insulation Resistance Faults
If a Low Insulation Resistance alarm is still reported one minute after the DC is supplied, check the percentage for possible short-circuit positions on the Alarm details page and go to Step Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 110 If the Low Insulation Resistance alarm is not reported one minute after the DC is supplied, the fault occurs on the disconnected PV module. Choose Device Commissioning > Maintenance > Inverter ON/OFF on the app and send a shutdown command. Go to Step Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 111 Step 8 Set the DC switch to ON. If the solar inverter status is Shutdown: Command, choose Device Commissioning > Maintenance > Inverter ON/OFF on the app and send a startup command. ----End Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 112: F Acronyms And Abbreviations
HVRT high voltage ride-through identifier light emitting diode LVRT low voltage ride-through Media Access Control MPPT maximum power point tracking protective earthing Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 113 SUN600-(5KTL, 6KTL)-L0 User Manual F Acronyms and Abbreviations photovoltaic RCMU residual current monitoring unit relative humidity serial number Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.

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