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M M a a n n u u a a l l L L o o g g g g e e r r 4 4 0 0 0 0 0 0 - - U U E E N N - - V V e e r r 1 1 1 1 - -
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Logger4000-UEN-Ver11-202110
Logger4000
D D a a t t a a L L o o g g g g e e r r
U U s s e e r r M M a a n n u u a a l l
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Summary of Contents for Sungrow Logger4000
- Page 1 M M a a n n u u a a l l L L o o g g g g e e r r 4 4 0 0 0 0 0 0 - - U U E E N N - - V V e e r r 1 1 1 1 - - 2 2 0 0 2 2 1 1 1 1 0 0 Logger4000-UEN-Ver11-202110 Logger4000...
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Page 3: Table Of Contents
4 Installation Flow ..................12 5 Unpacking and Storage ................14 5.1 Scope of Delivery ..................14 5.2 Identifying the Logger4000 ................ 15 5.3 Checking upon Receiving ................15 5.4 Storage ...................... 16 6 Mechanical Installation ................17 6.1 Location Selection..................17 6.2 Installation Tools.................. - Page 4 7.4.2 Connecting to the Inverter with MPLC Port ........28 7.5 Connecting to the Meteo Station..............30 7.6 Connecting to the Energy Meter ..............31 7.6.1 RS485 Cable Connection..............32 7.6.2 Ethernet Cable Connection ............... 32 7.7 Wiring of DI Signal ..................33 7.8 Wiring of DO Signal ..................
- Page 5 9.7.1 Device List..................51 9.7.2 Firmware Update................52 9.7.3 Inverter Log ..................53 9.7.4 AFCI Activation ................. 53 9.8 History Data ....................53 9.9 System....................... 53 9.9.1 Running Information ................. 53 9.9.2 System upgrade ................53 9.9.3 Log export ..................54 9.9.4 Rebooting..................
- Page 6 14 Appendix A: Technical Data ..............87 15 Appendix B: Related Drawings ............89 16 Appendix C: General Information ............90 16.1 Quality Guarantee ..................90 16.2 Contact Information ................. 90...
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Page 7: About This Manual
1.2 Target Group This manual is applicable to technical personnel who are responsible for the installation, operation and maintenance of the Logger4000 and to users who need to perform daily operation. Readers should have the following qualifications: Have some knowledge of electrical and electric cabling and mechanical knowledge;... -
Page 8: How To Use This Manual
1 About this Manual User Manual S S y y m m b b o o l l s s E E x x p p l l a a n n a a t t i i o o n n Risk of electric shock! If not avoided, lethal hazard can be caused. - Page 9 Any reproduction or disclosure, even partially, of the contents of this manual is strictly prohibited without prior written authorization of SUNGROW. The content of the manual will be periodically updated or revised as per the product development. It is probably that there are changes in manuals for the subsequent module edition.
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Page 10: Safety Instructions
Incorrect operation or misuse of the device may cause: damage to personnel safety of the operators or the third party • damage to the Logger4000 or other properties belong to the operators or the third • party Therefore, the following safety instructions must be read and always kept in mind prior to any work. - Page 11 2 hours and can lead to death. The maintenance of the Logger4000 can only be performed by qualified personnel from SUNGROW or other qualified personnel. User can never maintain or replace the modules and other parts. Serious...
- Page 12 2 Safety Instructions User Manual Never replace the internal components of the Logger4000 without authorization. SUNGROW shall not be held liable for any possible damage caused by ignorance of this warning.
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Page 13: Product Introduction
S S u u p p p p o o r r t t o o f f D D e e v v i i c c e e C C o o n n n n e e c c t t i i o o n n Logger4000 can be connected to devices in the PV system via an RS485 bus, and it can be also connected to SUNGROW string inverter equipped with the PLC communication function through the PLC cable. -
Page 14: Networking Scenarios
Logger4000 can be connected to Insight or SCADA through a core switch, as shown below. f f i i g g u u r r e e 3 3 - - 1 1 Ring networking When the ring networking is used, a maximum of 15 Logger4000 can be connected to a ring network. -
Page 15: Appearance
C C o o n n n n e e c c t t e e d d t t o o i i S S o o l l a a r r C C l l o o u u d d t t h h r r o o u u g g h h a a r r o o u u t t e e r r As shown in the figure below, the Logger4000 can be directly connected to the iSolarCloud through a router. - Page 16 3 Product Introduction User Manual N N o o . . D D e e s s c c r r i i p p t t i i o o n n Indicator Mounting ear Wiring terminal I I n n d d i i c c a a t t o o r r S S t t a a t t u u s s I I n n d d i i c c a a t t o o r r N N a a m m e e...
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Page 17: Dimensions
User Manual 3 Product Introduction S S t t a a t t u u s s I I n n d d i i c c a a t t o o r r N N a a m m e e S S t t a a t t u u s s D D e e s s c c r r i i p p t t i i o o n n The inverter... -
Page 18: Installation Flow
Installation Flow The following figure shows the overall installation flow of Logger4000. R R e e f f e e r r e e n n c c e e c c h h a a p p t t e e r r N N o o . - Page 19 User Manual 4 Installation Flow R R e e f f e e r r e e n n c c e e c c h h a a p p t t e e r r N N o o . . P P r r o o c c e e d d u u r r e e Check before commissioning "8.1 Inspection before Commissioning"...
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Page 20: Unpacking And Storage
D D e e s s c c r r i i p p t t i i o o n n N N o o . . N N a a m m e e Logger4000 Quick installation guide, quality certificate, Documents... -
Page 21: Identifying The Logger4000
Logger4000 5.2 Identifying the Logger4000 The type and key technical parameters of the Logger4000 can be found on the nameplate. The nameplate is attached to the upper right corner of the Logger4000, shown by A in the figure below. -
Page 22: Storage
If the Logger4000 is not to be installed immediately after receiving, observe the following requirements to store it properly: The Logger4000 should be store in its original packing case and placed in a well- • ventilated, dry, and tidy room. -
Page 23: Mechanical Installation
I I n n s s t t a a l l l l a a t t i i o o n n L L o o c c a a t t i i o o n n R R e e q q u u i i r r e e m m e e n n t t s s With the ingress of protection IP 20, the Logger4000 can be installed only indoors. -
Page 24: Installation Tools
Phillips(M4) Rubber Goggles 6.3 Installing Logger4000 The Logger4000 can be installed anywhere in the room meeting the installation environment requirements. Wall-mounted installation and rack-mounted installation are supported. 6.3.1 Wall-Mounted Installation Avoid drilling holes in the utility pipes and/or cables attached to back of the wall! - Page 25 I I n n s s t t a a l l l l M M o o u u n n t t i i n n g g E E a a r r s s a a n n d d B B o o t t t t o o m m S S u u p p p p o o r r t t e e r r s s Anchor the mounting ears and bottom supporters to the Logger4000 with supplied M4x8 cross recessed countersunk head screws.
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Page 26: Rack-Mounted Installation
I I n n s s t t a a l l l l m m o o u u n n t t i i n n g g e e a a r r s s Anchor the mounting ears to the Logger4000 with supplied M4x8 cross recessed countersunk head screws. - Page 27 User Manual 6 Mechanical Installation step 1 Mark positions on the rack according to dimensions of the Logger4000. step 2 Drill holes on the rack with a hammer drill of φ6mm. step 3 Level the mounting ears with the drilled holes on the rack.
- Page 28 6 Mechanical Installation User Manual step 4 Fix the Logger4000 in the sequence of screws, mounting ears, rack, and nuts. - - - - E E n n d d...
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Page 29: Electrical Connection
Electrical Connection 7.1 Safety Instructions High voltage hazard! The Logger4000 should be reliably ground. Never touch the AC power supply port "AC IN 100–277V,0.48A" and MPLC communication port "L1、L2、L3" when the device is powered on. High voltage hazard! Danger will be caused by touching the MPLC communication port immediately after powering down. -
Page 30: Port Introduction
User Manual 7.2 Port Introduction The layout and identifiers of Logger4000 terminals are shown below. R R e e c c o o m m m m e e n n d d e e - - D D e e s s c c r r i i p p t t i i o o n n... - Page 31 User Manual 7 Electrical Connection R R e e c c o o m m m m e e n n d d e e - - D D e e s s c c r r i i p p t t i i o o n n I I d d e e n n t t i i f f i i e e r r N N a a m m e e d d c c a a b b l l e e...
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Page 32: Overview
C C o o n n n n e e c c t t i i n n g g t t o o M M u u l l t t i i p p l l e e I I n n v v e e r r t t e e r r s s Multiple inverters are connected to the Logger4000 in the RS485 daisy chain manner. If more than 15 inverters are connected on the RS485 bus, it is recommended to connect a 120Ω... - Page 33 Serial port parameters of each device on the RS485 bus should be consistent with • those of the Logger4000. The serial port parameters include baud rate, data bit, stop bit, and check bit. C C o o n n n n e e c c t t i i o o n n P P r r o o c c e e d d u u r r e e step 1 Lead the RS485 communication cable from the inverter to the wiring area of Logger4000.
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Page 34: Connecting To The Inverter With Mplc Port
RS485 port on Logger must be press- fitted to cord end terminals of proper specification. step 5 Connect the wiring terminal to the terminal "A1B1~A7B7" of the Logger4000. - - - - E E n n d d 7.4.2 Connecting to the Inverter with MPLC Port... - Page 35 User Manual 7 Electrical Connection P P r r e e p p a a r r a a t t i i o o n n b b e e f f o o r r e e w w i i r r i i n n g g Disconnect the transformer from the grid.
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Page 36: Connecting To The Meteo Station
MPLC cable must be connected to an additional SPD with the protection degree of 3. Otherwise, device damage may occur. The built-in MPLC module of the Logger4000 supports AC voltage less than 1000V. In case of MPLC communication, the distance between the Logger4000 and the inverter should be no more than 1,000m. -
Page 37: Connecting To The Energy Meter
4 Connect the cable to the RS485 port of the Logger4000, as shown in the figure below. - - - - E E n n d d 7.6 Connecting to the Energy Meter... -
Page 38: Rs485 Cable Connection
4 Connect the cable to the RS485 port of the Logger4000, as shown in the figure below. - - - - E E n n d d 7.6.2 Ethernet Cable Connection... -
Page 39: Wiring Of Di Signal
2 Assemble proper cord end terminals to signal cable whose protective layer and insulation layer are stripped off and crimp them with a crimping tool. step 3 Connect the cord end terminals to the plug "DI" outside Logger4000, as shown below. Port "OV" and Port "1" are taken as an example. -
Page 40: Wiring Of Do Signal
2 Assemble proper cord end terminals to signal cable whose protective layer and insulation layer are stripped off and crimp them with a crimping tool. step 3 Connect the cord end terminals to plugs "DO1"~"DO4" outside Logger4000, as shown below. NO contact of Port "DO1" is taken as an example. -
Page 41: Wiring Of Ai Signal
2 Assemble proper cord end terminals to signal cable whose protective layer and insulation layer are stripped off and crimp them with a crimping tool. step 3 Connect the cord end terminals to plugs "AI1"~"AI4" outside Logger4000, as shown below. Port "AI1" is taken as an example. -
Page 42: Wiring Of Pt Signal
2 Assemble proper cord end terminals to signal cable whose protective layer and insulation layer are stripped off and crimp them with a crimping tool. step 3 Connect the cord end terminals to plugs "PT1" and "PT2" outside Logger4000, as shown below. Port "PT1" is taken as an example. -
Page 43: Connecting To The Remote Monitoring Device
- - - - E E n n d d 7.11 Connecting to the Remote Monitoring Device The Logger4000 is equipped with four Ethernet ports: FE1~FE4. The function of the ETH1 is reserved. Access the Ethernet switch and the router through either port. This section takes connecting to an Ethernet switch as an example to illustrate the wiring steps. -
Page 44: Connecting To The Ac Power Supply
IP address of the Ethernet port after connecting it to a router. 7.12 Connecting to the AC Power Supply The Logger4000 can be connected to a power source with voltage ranging from 100 to 277Vac. step 1 Lead the external power supply cable to the wiring area of the Logger4000. -
Page 45: Connecting To The Dc Power Supply
The Logger4000 can be connected to 24Vdc external power supply. UPS can be used as a power source. step 1 Lead the external power supply cable to the wiring area of the Logger4000. step 2 Strip off the protective layer and insulation layer of the power cable with wire strippers, as shown below. -
Page 46: Earthing Connection
1 Strip the protection layer and insulation layer of the grounding cable by specific length, as shown in the figure below. step 2 Select proper OT terminal and crimp them. step 3 Secure the grounding cable to the grounding hole of the Logger4000, as shown in the figure below. - Page 47 User Manual 7 Electrical Connection D D e e s s c c r r i i p p t t i i o o n n N N o o . . N N o o t t e e Bolt OT terminal —...
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Page 48: Commissioning
Log in to 12.12.12.12 through Internet Explorer, Safari, or Chrome. Configure serial port parameters on the Web interface. Add PV devices connected to Logger4000 to the Web interface by means of searching or manual adding. Configure IP address. - Page 49 To create power plants through iSolarCloud App, proceed as follows after downloading and installing the App: Log in to the Web of Logger4000, and click "About" to get the QR code. Scan the QR code with iSolarCloud App or manually enter the serial number S/N to add corresponding communication device.
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Page 50: Web Interface
If the default IP address of the Ethernet ports is 12.12.12.12, the IP address of the PC can be set to 12.12.12.X and the subnet mask is 255.255.255.0. step 3 In the PC address bar, enter the IP address of the Ethernet port on Logger4000: 12.12.12.12. The default page is displayed. -
Page 51: Web Main Interface
Display the current login user User indicates the connection status of Ethernet port of Logger4000. indicates the cloud connection status of Logger4000. 9.4 Operation Procedure P P r r e e r r e e q q u u i i s s i i t t e e Finished the electrical connection. -
Page 52: Overview
9 Web Interface User Manual After logging into the Web, first configure the serial ports of the Logger4000, to ensure that the Logger4000 can normally communicate with upstream devices. Refer to the chapter"9.9.14 Interface". step 2 Calibrate the system time. -
Page 53: Current Alarms
User Manual 9 Web Interface Transfer configuration • Transfer the data connected by the system to the background. Refer to the chapter"9.9.9 Forwarding Configuration", IEC104", MODBUS", "9.9.10 "9.9.11 "9.9.12 Third-party portal","9.9.13 Forward GOOSE Service Configuration". System maintenance • Support of operations such as system upgrade, log export, and rebooting. Refer to chapter"9.9 System". -
Page 54: Initial Parameter
9 Web Interface User Manual step 3 Select a device in the device list and view the voltage and current information of multiple MPPTs and multiple strings corresponding to the device on the right. - - - - E E n n d d 9.6.3 Initial Parameter step 1 Click "Device monitoring"... -
Page 55: Protection Parameters
User Manual 9 Web Interface Configure the parameters of a single device: enter the parameter value and click • “Settings”. Configure parameters for multiple devices: enter parameter values and click • “Configure Synchronization”, then this setting will be synchronized to multiple devices. -
Page 56: General Parameters
9 Web Interface User Manual 9.6.9 General Parameters step 1 Click “Device Monitoring” -> “General Parameters” to enter the interface and set general parameters of the device. step 2 Select "Read-back", set "Register Address", " Register Number" and "Address Type", and click [Read-back]. -
Page 57: Device Maintenance
Logger4000 and configuring addresses for these devices. Devices can be automatically searched and added. 9.7.1.1 Auto search The "Auto search" function is used for SUNGROW string inverter to which addresses will be automatically allocated. step 1 Click "Device" -> "Device list" to enter the corresponding interface. -
Page 58: Firmware Update
- - - - E E n n d d 9.7.2 Firmware Update The firmware update function is used to upgrade the SUNGROW residential inverter and string inverter. step 1 Click "Device" -> "Firmware update" to enter the corresponding interface. -
Page 59: Inverter Log
User Manual 9 Web Interface The upgrade package supports both .sgu and .zip files, where the .zip file must be compressed by UC packaging tool. Contact SUNGROW customer service if the UC packaging tool is needed. 9.7.3 Inverter Log step 1 Click "Device" -> "Inverter log" to enter the corresponding interface. -
Page 60: Log Export
9 Web Interface User Manual step 1 Click "System" -> "System maintenance" to enter the corresponding interface. step 2 Click "System upgrade", "Local Update Package" or "Online Update Package", select the upgrade file, and export it to the system. step 3 Click "Upgrade" on the pop-up version information window. The system enters upgrade state. -
Page 61: Message Export
D D e e s s c c r r i i p p t t i i o o n n s s t t a a t t e e Disabled Not allow for remote maintenance on the Logger4000 Enable Allow for remote maintenance on the Logger4000 In case the remote maintenance switch is in the "Enable"... - Page 62 2 When the clock source is set to "User define", user can manually set the current system time and time zone in the following two manners: Select "Use PC time" to synchronize the time of the Logger4000 with the time of the •...
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Page 63: Forwarding Configuration
Click the "Time zone" pull-down-list and select the local time zone. Fill in the domain, set the time interval, and click "Save". In this way, the time of the Logger4000 is synchronized with the time of the server. In this way, the Logger4000 and the background must use the IEC104 IEC104 communication protocol, and otherwise, this manner is invalid. - Page 64 S S e e r r v v e e r r M M o o d d e e In the server mode, Logger4000 is used as a Server and connected to PC server to implement data transmission and instruction delivery.
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Page 65: Modbus
- - - - E E n n d d 9.9.10.3 Client Mode In the client mode, Logger4000 is used as a Client and connected to PC server to implement data transmission and instruction delivery. step 1 Click "System" -> "Transfer Configuration" -> "IEC104" to enter the "Server" tab by default. -
Page 66: Third-Party Portal
User Manual 9.9.11.2 Client Mode In the client mode, Logger4000 is used a Client and connected to PC server through Modbus TCP protocol to implement data transmission and instruction delivery. step 1 Click "System" -> "Transfer Configuration" -> "MODBUS" to enter the "Server" tab by default. -
Page 67: Forward Goose Service Configuration
Enable Enable When a serial port of Logger4000 is connected to a device, the "Baud rate", "- Check bit", and "Stop bit" of the serial port must be configured the same as those of the corresponding device, so as to ensure normal communication between Logger4000 and the device. - Page 68 9 Web Interface User Manual 9.9.14.2 Ethernet Perform Ethernet settings on this interface. step 1 Click "System" -> "Interface" -> "Ethernet" to enter the corresponding interface. step 2 If auto IP allocation is , the IP address of port ETH in invalid. Log in to the device using the virtual IP address.
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Page 69: Mplc
- - - - E E n n d d 9.9.17 About Click "About" to enter the corresponding interface. Firmware information on Logger4000 can be accessed on this interface. Scan QR code on the interface with the iSolarCloud App, to add new Logger4000. -
Page 70: Grid Dispatching
10 Grid Dispatching 10.1 Function Description Logger4000 is equipped with a power control module. The module is used to receive control instructions from the grid dispatch center and send the control instructions to the monitored inverter through the RS485 port, thereby controlling the active power, reactive power, power factor, start/stop of the inverter. - Page 71 Generally, this strategy is used for anti-backflow or avoiding zero power feed-in. The Logger4000 receives the remote scheduling command and will stop querying data during this time period. Query recovery time* After the remote scheduling command is executed, you can continue to query the data.
- Page 72 10 Grid Dispatching User Manual D D e e s s c c r r i i p p t t i i o o n n P P a a r r a a m m e e t t e e r r If the adjustment does not reach the set target value, increase or decrease adjustment value Adjustment ratio (%)**...
- Page 73 User Manual 10 Grid Dispatching table 10-2 Parameter description D D e e s s c c r r i i p p t t i i o o n n P P a a r r a a m m e e t t e e r r Open loop control：At the start time, the locally configured active instruction is sent to the power output port of the inverter, thereby implementing...
- Page 74 User Manual 10.2.1.4 AI Control When using the analog signal at the AI port of the Logger4000 as the dispatching input, set the active control mode to "Analog input". step 1 Click "Power control" -> "Active power" to enter the active power interface.
- Page 75 - - - - E E n n d d 10.2.1.5 Digital Input When using the digital signal at the DI port of the Logger4000 as the dispatching input, set the active control mode to "Digital input". step 1 Click "Power control" -> "Active power" to enter the active power interface.
- Page 76 10 Grid Dispatching User Manual D D e e s s c c r r i i p p t t i i o o n n P P a a r r a a m m e e t t e e r r kW: set active power value.
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Page 77: Reactive Power
- - - - E E n n d d 10.2.1.7 Scheduling Prohibited Set the active control mode to "Scheduling prohibited" if the Logger4000 is prohibited to perform active dispatching on the inverter. step 1 Click "Power control" -> "Active power" to enter the active power interface. - Page 78 Generally, this strategy is used for improving the power factor of the property boundary point. The Logger4000 receives the remote scheduling command and will stop querying data during this time period.
- Page 79 User Manual 10 Grid Dispatching D D e e s s c c r r i i p p t t i i o o n n P P a a r r a a m m e e t t e e r r Adjustment accuracy If the ratio of the difference between the reactive power and the target value to the rated power Error limit (%)**...
- Page 80 Communication is abnormal, and specified dispatch output abnormality output value is delivered. (%)* Direct connection: One Logger4000 is connected to all inverters, where all the inverters must be string inverters or central inverters. Wiring mode* Cascade connection: Multiple Logger4000 are cascaded, and this Logger4000 is used as the host.
- Page 81 10 Grid Dispatching 10.2.2.4 AI Control When using the analog signal at the AI port of the Logger4000 as the dispatching input, set the reactive control mode to "Analog input". step 1 Click "Power control" -> "Reactive power" to enter the reactive power interface.
- Page 82 - - - - E E n n d d 10.2.2.5 Digital Input When using the digital signal at the DI port of the Logger4000 as the dispatching input, set the reactive control mode to "Digital input". step 1 Click "Power control" -> "Reactive power" to enter the reactive power interface.
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Page 83: Emergency Button
- - - - E E n n d d 10.2.2.7 Scheduling Prohibited Set the reactive control mode to "Scheduling prohibited" if the Logger4000 is prohibited to perform reactive dispatching on the inverter. step 1 Click "Power control" -> "Reactive power" to enter the reactive power interface. -
Page 84: Maintenance
Due to the influence of ambient temperature, humidity, dust and vibration, the inner components of the Logger4000 will be aging and worn out. To ensure the system safety and maintain the efficiency of the Logger4000, it is necessary to carry out routine and periodic maintenance. -
Page 85: Maintenance List
Check to make sure there is no strong EMC interference device around the Logger4000 Working Check to make sure there is no hot source around the Logger4000. environment Check to make sure there is no corrosive materials around the Logger4000... -
Page 86: Troubleshooting
SUNGROW with the following information provided: Serial number of the Logger4000, date of manufacture, and software version • Manufacture, type, configuration, and other information of device connected to the •... - Page 87 "- 4. The PC cannot normally ping 12.12.12.12 (IP address receive data. of the Logger4000)", to check whether the PC can receive data packets. 5. If the PC cannot receive data packets, disable other 5.
- Page 88 "Device Monitoring", to check whether the communication 4. Communication connection status icon is like this status between the and check whether repeated Logger4000 and the device is addresses are allocated to abnormal. the same port. If the fault persists, contact SUNGROW.
- Page 89 If enabled, only IP between the and incorrect. addresses of white list setting background via are allowed to access the IEC104 Logger4000. 3. Check that the 3. The communication device communication device is is abnormal. normal. 4. Ensure that the 4.
- Page 90 4. Communication connection to upgrade the inverter again is abnormal. if so. If the fault persists, contact SUNGROW. 1. Log into the Web, and click "Monitoring", to check 1. Communication connection whether the communication is abnormal.
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Page 91: Faq
13 FAQ Q1. How many types of communication ports does the Logger4000 support, what are the corresponding ports, and how to set the port parameters? T T y y p p e e P P a a r r a a m m e e t t e e r r s s e e t t t t i i n n g g P P o o r r t t Default IP: 12.12.12.12;... - Page 92 D D e e s s c c r r i i p p t t i i o o n n P P r r o o t t o o c c o o l l The Logger4000 transfers the data of the collected equipment (such as inverter, PV combiner box, Meteo Station, etc.) to the remote monitoring system through...
- Page 93 14 Appendix A: Technical Data C C o o m m m m u u n n i i c c a a t t i i o o n n Inverter communication RS485/MPLC Remote communication port 10 / 100 BaseT(X) Ethernet / RS485 M M a a x x .
- Page 94 14 Appendix A: Technical Data User Manual *Bind three-phase cables together every one meter.
- Page 95 15 Appendix B: Related Drawings R R a a c c k k - - m m o o u u n n t t e e d d d d r r a a w w i i n n g g s s W W a a l l l l - - m m o o u u n n t t e e d d d d r r a a w w i i n n g g s s...
- Page 96 16 Appendix C: General Information 16.1 Quality Guarantee SUNGROW shall service or replace the faulty product for free within the warranty period. E E v v i i d d e e n n c c e e Within the warranty period, SUNGROW shall require the customer to present the purchase invoice and date.
- Page 97 C C h h i i n n a a ( ( H H Q Q ) ) A A u u s s t t r r a a l l i i a a Sungrow Power Supply Co., Ltd Sungrow Australia Group Pty. Ltd.
- Page 98 M M a a l l a a y y s s i i a a P P h h i i l l i i p p p p i i n n e e s s Sungrow SEA Sungrow Power Supply Co., Ltd Selangor Darul Ehsan Mandaluyong City...
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