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SUN2000-(33KTL-A, 36KTL, 42KTL) 
User Manual 

2 Overview 

 

Issue 07 (2018-05-04) 

Huawei Proprietary and Confidential                                     

Copyright © Huawei Technologies Co., Ltd. 

10 

 

No. 

Component 

Silk Screen 

6 

Waterproof cable connectors (inner 
diameter: 14–18 mm) 

COM1, COM2, COM3 

7 

DC input terminals (controlled by 
DC SWITCH 1) 

+/– 

8 

DC input terminals (controlled by 
DC SWITCH 2) 

+/– 

 

 

 

Waterproof cable connector is abbreviated as waterproof connector in the following text. 

 

Use the USB port only during maintenance (such as power-on setting, upgrade, and data export). 
Ensure that the USB cover is tightened when the USB port is not in use. 

2.3 Label Description 

Symbols 

Table 2-3

 describes the labels on the SUN2000 enclosure and their meanings. 

Table 2-3

 

Label description 

Symbol 

Name 

Meaning 

 

Running warning 

Potential hazards exist 
after the SUN2000 is 
powered on. Take 
protective measures when 
operating the SUN2000. 

 

Burn warning 

Do not touch a running 
SUN2000 because it 
generates high 
temperatures on the shell. 

 

Delay discharge 

 

High voltage exists 
after the SUN2000 is 
powered on. Only 
qualified and trained 
electrical technicians 
are allowed to 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. 

Summary of Contents for SUN2000-33KTL-A

Page 1: ...SUN2000 33KTL A 36KTL 42KTL User Manual Issue 07 Date 2018 05 04 HUAWEI TECHNOLOGIES CO LTD ...

Page 2: ... Huawei and the customer All or part of the products services and features described in this document may not be within the purchase scope or the usage scope Unless otherwise specified in the contract all statements information and recommendations in this document are provided AS IS without warranties guarantees or representations of any kind either express or implied The information in this docum...

Page 3: ...onventions The symbols that may be found in this document are defined as follows Symbol Description Indicates an imminently hazardous situation which if not avoided will result in serious injury or death Indicates a potentially hazardous situation which if not avoided could result in serious injury or death Indicates a potentially hazardous situation which if not avoided may result in minor or mod...

Page 4: ...AC Output Power Cables Updated A Grid Codes Issue 05 2017 09 25 Added the requirements for OT terminals in 5 3 Connecting AC Output Power Cables Issue 04 2017 07 30 Updated 2 3 Label Description Updated 5 2 Connecting the Ground Cable PE Updated 10 Technical Specifications Issue 03 2017 03 30 Added description about the SUN2000 33KTL A Issue 02 2017 02 20 Updated Installation Environment Requireme...

Page 5: ...e Inverter 26 4 3 3 Installing the Mounting Bracket 27 4 3 4 Installing the SUN2000 30 4 4 Support mounting the SUN2000 34 4 4 1 Determining the Installation Position 34 4 4 2 Moving the Inverter 36 4 4 3 Installing the Mounting Bracket 36 4 4 4 Installing the SUN2000 38 5 Connecting Cables 39 5 1 Opening the Maintenance Compartment Door 39 5 2 Connecting the Ground Cable PE 41 5 3 Connecting AC O...

Page 6: ...ons with a USB Flash Drive 82 7 1 1 Exporting Configurations 82 7 1 2 Importing Configurations 83 7 1 3 Exporting Data 83 7 1 4 Upgrading 83 7 2 Operations with a SmartLogger 83 7 3 Operations with the NMS 83 7 4 Operations with the SUN2000 APP 83 8 Maintenance 83 8 1 Routine Maintenance 83 8 2 Troubleshooting 84 9 Handling the SUN2000 91 9 1 Removing the SUN2000 91 9 2 Packing the SUN2000 91 9 3 ...

Page 7: ...t the requirements specified in this document Violate the operation instructions and safety precautions in this document for installation cable connecting and maintenance Operation in extreme environments which are not covered in this document Unauthorized modifications to the product or software code Installation or use in environments which are not specified in related international standards Pe...

Page 8: ...d in a well ventilated environment Ensure that the inverter heat sinks are free from blockage Open the maintenance compartment door of the chassis before connecting cables Do not perform any operation on other components inside the chassis except connecting the PE cable AC power cables and communications cables Cable Connections Before connecting cables ensure that the inverter is secured in posit...

Page 9: ...y precautions in this document and associated documents to operate the inverter Maintain the inverter with sufficient knowledge of this document and proper tools and testing equipment Before performing maintenance tasks power off the inverter and wait at least 5 minutes Place temporary warning signs or erect fences to prevent unauthorized access to the maintenance site Rectify any faults that may ...

Page 10: ...r generated by PV strings into AC power and feeds the power into the power grid Model Figure 2 1 shows a model number of the SUN2000 using SUN2000 33KTL A as an example Figure 2 1 Model number description Table 2 1 shows the rated output power and voltage Table 2 1 SUN2000 models and corresponding rated output power and voltage Model Rated Output Power Rated Output Voltage SUN2000 33KTL A 30 kW 40...

Page 11: ...er stations Typically a grid tied PV power system consists of PV strings grid tied inverters AC distribution units ACDUs and isolation transformer as shown in Figure 2 2 Figure 2 2 Network application A PV string B SUN2000 C ACDU D Isolation transformer E Power grid Supported Power Grids The SUN2000 33KTL A 36KTL supports the following power grid modes TN S TN C TN C S TT and IT The SUN2000 42KTL ...

Page 12: ... 05 04 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 6 2 2 Appearance SUN2000 Dimensions Figure 2 4 shows the SUN2000 dimensions Figure 2 4 SUN2000 dimensions including the mounting plate Front View Figure 2 5 shows the SUN2000 front view ...

Page 13: ... PV string is properly connected and the DC input voltage of the corresponding MPPT circuit is higher than or equal to 200 V Green off The SUN2000 disconnects from all PV strings or the DC input voltage of each MPPT circuit is less than 200 V Grid tied indicator Green on The SUN2000 connects to the power grid Green off The SUN2000 does not connect to the power grid Communications indicator Blinkin...

Page 14: ... Blinking green at short intervals on for 0 125s and then off for 0 125s Local maintenance fails Steady green Local maintenance succeeds Local maintenance refers to operations performed after a universal serial bus USB flash drive Bluetooth module or USB data cable is inserted into the USB port of the SUN2000 For example local maintenance includes data import and export using a USB flash drive and...

Page 15: ...UN2000 rear view 1 Heat sink 2 Mounting plate SUN2000 bottom view Figure 2 7 shows the SUN2000 bottom view Figure 2 7 SUN2000 bottom view No Component Silk Screen 1 Waterproof cable connector inner diameter 18 44 mm AC OUTPUT 1 2 Waterproof cable connector inner diameter 24 32 mm AC OUTPUT 2 3 USB port USB 4 DC switch 1 DC SWITCH 1 5 DC switch 2 DC SWITCH 2 ...

Page 16: ...t the USB cover is tightened when the USB port is not in use 2 3 Label Description Symbols Table 2 3 describes the labels on the SUN2000 enclosure and their meanings Table 2 3 Label description Symbol Name Meaning Running warning Potential hazards exist after the SUN2000 is powered on Take protective measures when operating the SUN2000 Burn warning Do not touch a running SUN2000 because it generat...

Page 17: ...ltage exists after the SUN2000 is powered on To avoid electric shocks perform the following system power off operations before plugging or unplugging DC input connectors of the SUN2000 1 Send a shutdown command 2 Turn off the downstream AC switch 3 Turn off the two DC switches at the bottom SUN2000 serial number label Indicates the SUN2000 serial number Note a Fittings supplied with the SUN2000s o...

Page 18: ...Place for attaching Nameplate The SUN2000 is labeled with a nameplate on the side that contains the model information technical specifications and compliance symbols as shown in Figure 2 9 Figure 2 9 Nameplate of the SUN2000 42KTL 1 Trademark and product model 2 Important technical specifications 3 Compliance symbols 4 Company name and country of manufacture ...

Page 19: ... certification mark The SUN2000 complies with Conformité Europé enne CE certification standards Environmentally friendly use period EFUP label The SUN2000 does not pollute the environment during the specified period EU waste electrical and electronic equipment WEEE label Do not dispose of the SUN2000 as household garbage 2 4 Working Principle Conceptual Diagram The SUN2000 receives inputs from eig...

Page 20: ...dential Copyright Huawei Technologies Co Ltd 14 Figure 2 10 Conceptual diagram for the SUN2000 33KTL A 36KTL Figure 2 11 Conceptual diagram for the SUN2000 42KTL Working Modes The SUN2000 can work in standby operating or shutdown mode Figure 2 12 shows the relationship between the three working modes ...

Page 21: ...et If the SUN2000 enters the shutdown mode after detecting a shutdown command or a fault after startup Operating In operating mode The SUN2000 converts DC power from PV strings into AC power and feeds the power to the power grid The SUN2000 tracks the maximum power point to maximize the PV string output The SUN2000 enters the shutdown mode after detecting a fault or a shutdown command and enters t...

Page 22: ... in a clean and dry place and be protected from dust and water vapor corrosion A maximum of five SUN2000s with the packing dimensions W x H x D of 1095 mm x 395 mm x 745 mm can be stacked A maximum of six SUN2000s with the packing dimensions W x H x D of 1045 mm x 400 mm x 680 mm can be stacked To avoid personal injury or device damage stack SUN2000s with caution to prevent them from falling over ...

Page 23: ...l If any damage is found or the inverter model is not what you requested do not unpack the package and contact your supplier as soon as possible Figure 4 1 Position of the inverter model label 1 Position of the model label You are advised to remove the packing materials within 24 hours before installing the inverter Package Contents After unpacking the inverter check that the contents are intact a...

Page 24: ...Hammer drill Drill bit Φ14 mm and Φ16 mm Drill bit Φ14 mm used for drilling holes in the support Drill bit Φ16 mm used for drilling holes in the wall Adjustable wrench With a length of 200 mm With an open end of 24 mm Secures bolts Socket wrench N A Secures bolts and AC output terminals Torque wrench With an open end of 18 mm 33 mm 52 mm or 65 mm Secures bolts and locking caps Diagonal pliers N A ...

Page 25: ...s Rubber mallet N A Hammers expansion bolts into holes Utility knife N A Removes packages Cable cutter N A Cuts power cables Crimping tool Model H4TC0001 or H4TC0002 Manufacturer Amphenol Crimps metal contacts when preparing DC input power cables NOTE H4TC0001 Amphenol is used to crimp metal cold forming contacts H4TC0002 Amphenol is used to crimp metal stamping forming contacts RJ45 crimping tool...

Page 26: ...gies Co Ltd 20 Tool Model Function Removal tool H4TW0001 Manufacturer Amphenol Removes DC connectors from the SUN2000 Vacuum cleaner N A Cleans up dust after drilling holes Multimeter DC voltage measurement range 1100 V DC Measures voltages Marker Diameter 10 mm Marks signs Measuring tape N A Measures distances Level N A Levels hole positions ...

Page 27: ...Function Protective gloves N A Protect your hands during installation Safety goggles N A Protects the operator s eyes during hole drilling Anti dust respirator N A Protects an operator from dust inhalation during hole drilling Hydraulic pliers N A Crimp OT terminals Heat shrink tubing N A Wraps the cable crimping area of an OT terminal Heat gun N A Heat shrinks a tube ...

Page 28: ...irements The SUN2000 must be installed in a well ventilated environment to ensure good heat dissipation When installed under direct sunlight performance de rate may be initiated due to additional temperature rise Recommended Install the SUN2000 in a sheltered place or a place with an awning Carrier Requirements The carrier where the SUN2000 is installed must be fireproof Do not install the SUN2000...

Page 29: ...Do not install the SUN2000 at a front tilt excessive back tilt side tilt horizontally or upside down Figure 4 3 Incorrect installation angles Installation Space Requirements The SUN2000 dimensions W x H x D including the mounting bracket are 930 mm x 550 mm x 283 mm Reserve enough clearance around the SUN2000 to ensure sufficient space for installation and heat dissipation as shown in Figure 4 4 ...

Page 30: ...ntaining the SUN2000 in future it is recommended that the bottom clearance be greater than or equal to 600 mm and less than or equal to 730 mm If you have any questions about the distance consult the local technical support engineers When installing multiple SUN2000s install them in horizontal mode if sufficient space is available and install them in triangle mode if no sufficient space is availab...

Page 31: ...2000 33KTL A 36KTL 42KTL User Manual 4 System Installation Issue 07 2018 05 04 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 25 Figure 4 6 Triangle installation mode recommended ...

Page 32: ...vice damage and personal injury keep balance when moving the SUN2000 because the SUN2000 is heavy Do not place the SUN2000 with its wiring terminals at the bottom contacting the floor or any other object because the terminals are not designed to support the weight of the SUN2000 When placing the SUN2000 on the floor put foam or paper under the SUN2000 to protect its cover Procedure Step 1 Arrange ...

Page 33: ... Prerequisites When installing the SUN2000 33KTL A 36KTL you can use the expansion bolts delivered with the SUN2000 to install the mounting bracket When installing the SUN2000 42KTL you need to prepare the expansion bolts M12x60 stainless expansion bolts are recommended Context Figure 4 9 shows the SUN2000 mounting bracket dimensions Figure 4 9 Mounting bracket dimensions The SUN2000 mounting brac...

Page 34: ...emoving a security torx wrench Step 2 Determine the positions for drilling holes using the mounting bracket available in the packing case Level the hole positions using a level and mark the hole positions using a marker Figure 4 11 Determining hole positions Step 3 Drill holes using a hammer drill and install expansion bolts Avoid drilling holes in the water pipes and power cables buried in the wa...

Page 35: ...pansion sleeve with the concrete wall after removing the bolt spring washer and flat washer Otherwise the mounting bracket will not be securely installed on the concrete wall 1 Put a hammer drill with a Ф16 mm drill bit on a marked hole position perpendicularly against the wall and drill holes to a depth of 52 60 mm 2 Slightly tighten an expansion bolt vertically insert it into the hole and knock ...

Page 36: ...nt the SUN2000 onto the mounting bracket go to Step 3 and then Step 5 Step 2 If the installation position is high and you cannot mount the SUN2000 onto the mounting bracket perform Step 3 to Step 6 Step 3 Ensure that two people lift the SUN2000 and turn it upright Lift the SUN2000 by grasping the handle at the bottom of the SUN2000 with one hand and the handle at the top with the other To prevent ...

Page 37: ... and Confidential Copyright Huawei Technologies Co Ltd 31 Figure 4 15 Lifting a SUN2000 Step 4 Run a rope that is strong enough to bear the SUN2000 through the lifting eyes and hoist the SUN2000 When hoisting the SUN2000 keep balance to protect the SUN2000 from colliding with the wall or other objects ...

Page 38: ...m Installation Issue 07 2018 05 04 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 32 Figure 4 16 Hoisting a SUN2000 Step 5 Install the SUN2000 on the mounting bracket and level the SUN2000 chassis with the mounting bracket ...

Page 39: ... 04 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 33 Figure 4 17 Mounting the SUN2000 onto the mounting bracket Step 6 Tighten the two security torx screws using a security torx wrench to a torque of 5 N m Figure 4 18 Tightening security torx screws End ...

Page 40: ...ment Requirements The SUN2000 must be installed in a well ventilated environment to ensure good heat dissipation When installed under direct sunlight performance de rate may be initiated due to additional temperature rise Recommended Install the SUN2000 in a sheltered place or a place with an awning Carrier Requirements The carrier where the inverter is installed must be fire proof Do not install ...

Page 41: ... 283 mm Reserve enough clearance around the SUN2000 to ensure sufficient space for installation and heat dissipation as shown in Figure 4 21 Figure 4 21 Installation space For ease of installing the SUN2000 on the mounting bracket connecting cables to the bottom of the SUN2000 and maintaining the SUN2000 in future it is recommended that the bottom clearance be greater than or equal to 600 mm and l...

Page 42: ...imensions Figure 4 22 Mounting bracket dimensions The SUN2000 mounting bracket has 16 tapped holes in four groups Mark any hole in each group based on site requirements and mark four holes in total Two round holes are preferred Procedure Step 1 Remove the security torx wrench from the mounting bracket and set it aside Figure 4 23 Removing a security torx wrench Step 2 Determine the positions for d...

Page 43: ...illing holes Step 4 Align the mounting bracket with the hole positions insert bolt assemblies flat washers spring washers and M12x40 bolts into the holes through the mounting bracket secure them using the shipped stainless steel nuts and flat washers and tighten the bolts to a torque of 45 N m using an 18 mm socket wrench The SUN2000 is delivered with M12x40 bolt assemblies If the screw length doe...

Page 44: ...al 4 System Installation Issue 07 2018 05 04 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 38 Figure 4 26 Securing a mounting bracket End 4 4 4 Installing the SUN2000 For details see 4 3 4 Installing the SUN2000 ...

Page 45: ...les ensure that the two DC switches on the inverter are OFF Otherwise the high voltage of the inverter may result in electric shocks The cable colors shown in the electrical connection drawings provided in this chapter are for reference only Select cables in accordance with local cable specifications green and yellow wires are used for grounding only 5 1 Opening the Maintenance Compartment Door Pr...

Page 46: ...performing operations on it If you need to open the maintenance compartment door in rainy or snowy days take protective measures to prevent rain and snow entering the maintenance compartment If it is impossible to take protective measures do not open the maintenance compartment door in rainy or snowy days Do not leave unused screws in the maintenance compartment Procedure Step 1 Remove the two scr...

Page 47: ... the AC output power cable OT terminal M6 Context The ground point on the enclosure is preferred to connect to the PE cable for the SUN2000 The ground point in the maintenance compartment is used for connecting to the ground cable included in the multi core AC power cable For details see 5 3 Connecting AC Output Power Cables There are two ground points on the enclosure and one of them is standby I...

Page 48: ...area of the OT terminal and crimp them using hydraulic pliers as shown in Figure 5 4 Figure 5 4 Crimping a cable The cavity formed after the conductor crimp strip is crimped must wrap the core wires completely The core wires must contact the terminal closely Step 3 Remove the ground screws from the ground points Step 4 Secure the ground cable using the ground screw and tighten the screw to a torqu...

Page 49: ...vice according to local power distribution regulations Do not connect loads between the SUN2000 and the AC switch Context If you connect a ground cable to the ground point on the chassis shell in a scenario with no neutral wire you are advised to use a three core L1 L2 and L3 outdoor cable as the AC output power cable for the SUN2000 33KTL A 36KTL If you connect a ground cable to the ground point ...

Page 50: ...outdoor cable as the AC output power cable for the SUN2000 42KTL Table 5 1 SUN2000 33KTL A cable specifications Cable Specifications Copper Core Cable Copper Clad Aluminum Cable or Aluminum Alloy Cable Conductor cross sectional area mm2 Value range 16 70 25 70 Recommend ed value 16 35 Cable outer diameter supported by AC OUTPUT 1 connector mm Value range 18 44 Table 5 2 SUN2000 36KTL 42KTL cable s...

Page 51: ...aluminum wiring terminal to the AC terminal block will cause electro chemical corrosion and weaken the cable connection reliability The copper to aluminum adapter terminal or an aluminum wiring terminal with a copper to aluminum adapter washer must comply with IEC61238 1 Do not mix up the aluminum and copper sides of the copper to aluminum adapter washer Ensure that the aluminum side of the washer...

Page 52: ... the AC terminal cover To highlight the involved area the figure does not show the open door Step 2 Remove the locking cap from the AC OUTPUT 1 connector and then remove the plug Step 3 Choose whether to use rubber fittings based on the cable outer diameter and select one or more rubber fittings if required Route the cable through the locking cap and then the rubber fitting ...

Page 53: ...crimped OT terminal directly through the rubber fitting Do not adjust the cable when the locking cap is tightened Otherwise the rubber fitting will shift which affects the Ingress Protection Rating of the device Figure 5 8 Selecting the rubber fitting Step 4 Remove an appropriate length of the jacket and insulation layer from the AC output power cable using a wire stripper Ensure that the jacket i...

Page 54: ...eutral wire Figure 5 12 Five core cable including the ground cable and neutral wire Step 5 Insert the exposed core wires into the crimping area of the OT terminal and crimp them using hydraulic pliers One core wire connects to one OT terminal Step 6 Wrap the wire crimping area with heat shrink tubing or PVC insulation tape If heat shrink tubing is used put it through the power cable and then crimp...

Page 55: ...e ground point in the maintenance compartment tighten the ground screw using a 10 mm socket wrench with an extension rod to a torque of 5 N m Ensure that AC terminations are secured Failure to do so may cause the SUN2000 to malfunction or cause damage to its terminal block from issues such as overheating If the SUN2000 is insecurely installed and the AC output power cable bears the pulling force e...

Page 56: ...n including the ground cable but excluding the neutral wire Figure 5 14 SUN2000 33KTL A 36KTL A Excluding the ground cable and neutral wire B Including the ground cable but excluding the neutral wire C Excluding the ground cable but including the neutral wire D Including the ground cable and neutral wire The cable colors in figures are for reference only Select appropriate cables according to the ...

Page 57: ... in electric shocks When the SUN2000 is grid tied it is not allowed to maintain DC input power cables such as connect or disconnect a string or a module in a string Otherwise electric shocks may occur Ensure that the following conditions are met Otherwise the SUN2000 will be damaged or even a fire disaster will be caused The open circuit voltage of each PV string is always lower than or equal to 1...

Page 58: ...ipment damage is beyond the warranty scope The following requirements must be met if the positive or negative terminals of PV strings need to be grounded A three phase isolation transformer is installed on the output side One isolation transformer must be installed only for one SUN2000 Do not connect two or more SUN2000s to the same isolation transformer Otherwise the SUN2000s may fail to work due...

Page 59: ...4 lists the recommended DC input power cable specifications Table 5 4 Recommended DC input power cable specifications Cable Type Conductor Cross Sectional Area mm2 Cable Outer Diameter mm Range Recommended Value Common PV cables in the industry model PV1 F 4 0 6 0 or 12 10 AWG 4 0 or 12 AWG 4 5 7 8 Rigid cables such as armored cables are not recommended because poor contact may be caused by the be...

Page 60: ...onnector 1 Insulation shell 2 Locking nut Use the positive and negative metal contacts and DC connectors supplied with the SUN2000 Using other models of positive and negative metal contacts and DC connectors may result in serious consequences The caused device damage is not covered under any warranty or service agreement Procedure Step 1 Prepare positive and negative connectors ...

Page 61: ... metal cold forming contacts using crimping tool H4TC0001 Amphenol Crimp the metal stamping forming contacts using crimping tool H4TC0002 Amphenol recommended PV CZM 22100 Staubli or PV CZM 19100 Staubli When choosing PV CZM 22100 or PV CZM 19100 do not use the locator Otherwise metal contacts would be damaged Figure 5 18 Crimping tool H4TC0002 1 Locator Figure 5 19 Preparing positive and negative...

Page 62: ...rming 2 Negative metal contact stamping forming 3 Positive connector 4 Negative connector After the positive and negative metal contacts snap into place pull the DC input power cables back to check that they are connected securely Step 2 Pull out the blue dustproof plugs from the ends of the DC input connectors Step 3 Ensure that the DC input voltage of each PV string does not exceed 1100 V DC usi...

Page 63: ...voltage Before performing Step 4 ensure that the two DC switches are OFF Step 4 Insert the positive and negative connectors into the corresponding positive and negative DC input terminals of the inverter until they snap into place as shown in Figure 5 22 After the positive and negative connectors snap into place pull the DC input power cables back to ensure that they are connected securely ...

Page 64: ... caused equipment damage is beyond the warranty scope Wait until the solar irradiance declines at night and the PV string current reduces to below 0 5 A Then turn off the two DC switches remove the positive and negative connectors and correct the polarity of the DC input power cable End Follow up Procedure Before removing the positive and negative connectors ensure that the two DC switches are OFF...

Page 65: ... a PC through the SmartLogger to implement RS485 communication You can use the SUN2000 APP embedded WebUI or the network management software such as the NetEco on the PC to query information about the SUN2000 such as energy yield alarms and running status Figure 5 24 shows the communication mode for a single SUN2000 Figure 5 24 Communication mode for a single SUN2000 Figure 5 25 shows the communic...

Page 66: ... User Manual The built in PLC module in the SUN2000 does not need to be connected with cables FE Communication Optional FE communication is mainly used in distributed rooftop scenarios with a small number of inverters The inverter can directly connect to the PC over the Ethernet to implement monitoring networking FE communication is optional for the SUN2000 36KTL If the SUN2000 36KTL adopts FE com...

Page 67: ...on the SUN2000 APP The PLC communication mode is only applicable to medium voltage grid connection scenarios and non low voltage public grid connection scenarios industrial environment If the RS485 communication mode is selected do not connect the PLC CCO module to the AC power cable In addition you are recommended to set PLC communication to Disable on the SUN2000 APP PLC communication is set to ...

Page 68: ...hows an RS485 terminal block Figure 5 26 Terminal block Table 5 5 describes functions of the RS485 terminal block Table 5 5 Functions of the RS485 terminal block No Port Definition Description 1 RS485A IN RS485A RS485 differential signal 2 RS485A OUT RS485A RS485 differential signal 3 RS485B IN RS485B RS485 differential signal 4 RS485B OUT RS485B RS485 differential signal Connecting Cables to the ...

Page 69: ...p 3 Route the communications cable through the locking caps and then the COM1 RS485 IN and COM2 RS485 OUT connectors at the SUN2000 bottom Step 4 Remove the terminal base from the terminal block Step 5 Connect communications cables to the terminal base Figure 5 28 Connecting cables to a terminal base 1 RS485A IN 2 RS485A OUT 3 RS485B IN 4 RS485B OUT Step 6 Install the terminal base on the terminal...

Page 70: ... Confidential Copyright Huawei Technologies Co Ltd 64 Figure 5 29 Connecting communications cables Step 7 Bind communications cables after connecting them Figure 5 30 Binding communications cables Step 8 Use a torque wrench with an open end of 33 mm to tighten the locking cap to a torque of 7 5 N m End ...

Page 71: ...or pin definitions Table 5 6 RJ45 connector pin definitions Pin Color Pin Definition 1 White and orange RS485A RS485 differential signal 2 Orange RS485B RS485 differential signal 3 White and green N A 4 Blue RS485A RS485 differential signal 5 White and blue RS485B RS485 differential signal 6 Green N A 7 White and brown N A 8 Brown N A Connecting a Cable to the RJ45 Network Port Step 1 Insert the w...

Page 72: ... brown 8 Brown Step 2 Crimp the RJ45 connector using a crimping tool Step 3 Remove the locking cap from the COM1 waterproof cable connector at the SUN2000 bottom and remove the plug from the locking cap Step 4 Route the cables through the locking caps and then the COM1 port at the SUN2000 bottom Step 5 Insert the RJ45 connector into the RJ45 network port in the SUN2000 maintenance compartment Figu...

Page 73: ...ocedure Check that the cables are connected correctly and securely Then seal the connectors 5 5 3 Optional Connecting FE Communications Cables Description FE communication is mainly used in distributed rooftop scenarios with a small number of inverters The inverter can directly connect to the PC over the Ethernet to implement monitoring networking FE communication is optional for the SUN2000 36KTL...

Page 74: ... chain mode over a network cable Figure 5 36 FE communication mode for multiple SUN2000s The FE communication distance between two adjacent SUN2000s on the daisy chain cannot exceed 100 meters A daisy chain supports a maximum of 10 SUN2000s to be connected for communication RJ45 Connector Pin Definitions Figure 5 37 shows an RJ45 connector Figure 5 37 RJ45 connector The FE communications cable is ...

Page 75: ...rd Table 5 8 lists the 568B wire sequence standard Table 5 7 568A standard Pin Color 1 White and green 2 Green 3 White and orange 4 Blue 5 White and blue 6 Orange 7 White and brown 8 Brown Table 5 8 568B standard Pin Color 1 White and orange 2 Orange 3 White and green 4 Blue 5 White and blue 6 Green 7 White and brown 8 Brown Connecting a Cable to the FE Network Port Step 1 Insert the wires of the ...

Page 76: ...rimping tool Step 3 Remove the locking cap from the COM1 waterproof cable connector at the SUN2000 bottom and remove the plug from the locking cap Step 4 Route the cables through the locking caps and then the COM1 port at the SUN2000 bottom Step 5 Insert the RJ45 connector into the FE1_OUT and FE2_OUT ports in the SUN2000 maintenance compartment Figure 5 39 Connecting communications cables Step 6 ...

Page 77: ...al Copyright Huawei Technologies Co Ltd 71 Figure 5 40 Binding communications cables Step 7 Use a torque wrench with an open end of 33 mm to tighten the locking caps to a torque of 7 5 N m End 5 6 Closing the Maintenance Compartment Door Procedure Step 1 Install the AC terminal cover Figure 5 41 Installing a cover ...

Page 78: ...e compartment door Tighten the two screws on the maintenance compartment door using a security torx wrench to a torque of 5 N m Figure 5 43 Tightening screws on the maintenance compartment door If a screw on the maintenance compartment door is missing use the unused ground screw on the chassis shell as a standby screw If the floating nut used for securing the maintenance compartment door is missin...

Page 79: ...UN2000 33KTL A 36KTL 42KTL User Manual 5 Connecting Cables Issue 07 2018 05 04 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 73 Figure 5 44 Removing a standby floating nut End ...

Page 80: ... correctly and securely without open circuits or short circuits 6 The communications cables are connected correctly and securely 7 All the used connectors at the chassis bottom are sealed 8 The AC terminal cover is reinstalled 9 The maintenance compartment door is closed and the door screws are tightened 10 Idle DC input terminals are sealed 11 The idle USB port is plugged with a waterproof plug 1...

Page 81: ...r a period of time Ensure that the temperature rise does not exceed 40 C Step 4 Connect the SUN2000 to the mobile phone that runs SUN2000 app app for short through a Bluetooth module or USB data cable Mobile phone operating system Android 4 0 or later and iOS 7 0 or later When the iOS is used the app supports only Bluetooth connection When you use a Bluetooth module to set up the connection ensure...

Page 82: ...rietary and Confidential Copyright Huawei Technologies Co Ltd 76 Figure 6 2 Data cable connection mode A Inverter B USB data cable C Mobile phone Use the USB data cable delivered with the mobile phone The port type of the USB data cable connected to the SUN2000 is USB 2 0 Figure 6 3 Login screen ...

Page 83: ...A 36KTL 42KTL User Manual 6 System Commissioning Issue 07 2018 05 04 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 77 Figure 6 4 Selecting a connection mode Figure 6 5 Bluetooth connection ...

Page 84: ...t Huawei Technologies Co Ltd 78 Figure 6 6 Data cable connection After you select Use by default for this USB accessory the message will not appear if you connect the app to the inverter again without removing the USB data cable Step 5 Switch the user type common user advanced user and special user by tapping the user name bar ...

Page 85: ...cutive times the interval between two consecutive invalid password entries is less than 2 minutes the account will be locked for 10 minutes The password consists of six digits Step 6 Enter the password and tap Log In Step 7 After login the Quick Settings screen or Function Menu screen is displayed If you log in to the app after the device connects to the app for the first time or factory defaults ...

Page 86: ...date and time Set Baud rate RS485 protocol and Address based on site requirements Baud rate can be set to 4800 9600 or 19200 RS485 protocol can be set to MODBUS RTU and Address can be set to any value in the range of 1 to 247 When multiple inverters communicate with the SmartLogger over RS485 the addresses for all the inverters on each RS485 route must be within the address range set on the SmartL...

Page 87: ...SUN2000 powers off the remaining electricity and heat may still cause electric shocks and body burns Therefore put on protective gloves and begin servicing the SUN2000 five minutes after the power off Procedure Step 1 Run a shutdown command on the SUN2000 APP SmartLogger or NMS For details see the SUN2000 APP User Manual SmartLogger1000 User Manual SmartLogger2000 User Manual or iManager NetEco 10...

Page 88: ...nDisk Netac and Kingston are recommended Other brands may be incompatible 7 1 1 Exporting Configurations Procedure Step 1 On the SUN2000 APP tap Inverter Command Settings to generate a boot script file For details see the SUN2000 APP User Manual Step 2 Import the boot script file to a PC Optional The boot script file can be opened as a txt file as shown in Figure 7 1 Figure 7 1 Boot script file No...

Page 89: ... drive and executes all commands specified in the boot script file View the LED indicator to determine the operating status Verify that the ciphertext in the boot script file matches the login password of the SUN2000 APP If they do not match and you insert the USB flash drive for five consecutive times the user account will be locked for 10 minutes Table 7 1 LED indicator description LED Indicator...

Page 90: ...SB flash drive to the USB port The system automatically identifies the USB flash drive and executes all commands specified in the boot script file View the LED indicator to determine the operating status Verify that the ciphertext in the boot script file matches the login password of the SUN2000 APP If they do not match and you insert the USB flash drive for five consecutive times the user account...

Page 91: ...us Verify that the ciphertext in the boot script file matches the login password of the SUN2000 APP If they do not match and you insert the USB flash drive for five consecutive times the user account will be locked for 10 minutes Table 7 3 LED indicator description LED Indicator Status Meaning Green off There is no operation with a USB flash drive Blinking green at long intervals on for 1s and the...

Page 92: ...ge 2 Upgrade package activation starts when the following conditions are met Table 7 4 Conditions for starting delayed activation Upgrade Method Activation Start Condition Local upgrade over a USB flash drive The CAN communication is normal The PV power supply is normal The activation starts when either of the preceding two conditions is met Local upgrade of the SUN2000 APP Remote upgrade over the...

Page 93: ...Copy the extracted files to the root directory of the USB flash drive Step 7 Connect the USB flash drive to the USB port The system automatically identifies the USB flash drive and executes all commands specified in the boot script file View the LED indicator to determine the operating status Verify that the ciphertext in the boot script file matches the login password of the SUN2000 APP If they d...

Page 94: ...nd then off for 1s for 1 minute until it becomes steady on which indicates that the upgrade is successful The SUN2000 can also be upgraded through the Inverter Update in the SUN2000 APP For details see the SUN2000 APP User Manual End 7 2 Operations with a SmartLogger For operations with a SmartLogger see the SmartLogger1000 User Manual or SmartLogger2000 User Manual 7 3 Operations with the NMS For...

Page 95: ...nt rain and snow entering the maintenance compartment If it is impossible to take protective measures do not open the maintenance compartment door in rainy or snowy days Table 8 1 Maintenance list Item Check Method Maintenance Interval System cleanliness Check periodically that the heat sinks are free from obstacles or dust Once six months to a year System running status Check that the inverter is...

Page 96: ...rray is not properly configured Excessive PV modules are connected in series to PV strings 1 and 2 and therefore the PV string open circuit voltage exceeds the maximum value of the inverter MPPT voltage Cause ID 2 The PV array is not properly configured Excessive PV modules are connected in series to PV strings 3 and 4 and therefore the PV string open circuit voltage exceeds the maximum value of t...

Page 97: ...the PV string is clean and not shielded from sunlight check whether any PV module is faulty 120 1 27 String 1 8 Reversed Cause ID 1 Major Cause ID 2 Warning Cause ID 1 The PV string is reversely connected Cause ID 2 Only a few PV modules are connected in series to the PV string and therefore the end voltage is lower than that of other PV strings Cause ID 1 Check whether the PV string is reversely ...

Page 98: ...uit inside the SUN2000 The possible causes are as follows Cause ID 13 The grid voltage drops dramatically or the power grid is short circuited which damages the internal voltage detection circuit in the SUN2000 Cause ID 14 The grid voltage drops dramatically or the power grid is short circuited As a result the inverter transient output current exceeds the upper threshold and therefore the inverter...

Page 99: ...er 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 grid voltage is within the acceptable range If no contact the local power operator If yes log in to the SUN2000 app SmartLogger or NMS to modify the grid overvoltage and undervoltage protection thresholds with the consent of th...

Page 100: ...curs frequently check whether the grid frequency is within the acceptable range If no contact the local power operator If yes log in to the SUN2000 app SmartLogger or NMS to modify the grid overfrequency and underfrequency protection thresholds with the consent of the local power operator Cause ID 5 1 If the alarm occurs accidentally the power grid may be abnormal temporarily The SUN2000 automatic...

Page 101: ... ID 1 An unrecoverable fault occurs on a circuit inside the SUN2000 Turn off the AC output switch and DC input switch Then turn on the AC output switch and DC input switch after 5 minutes If the fault persists contact Huawei technical support 326 Abnormal Grounding Major Cause ID 1 The neutral wire or PGND cable does not connect to the SUN2000 The SUN2000 output side does not connect to an isolati...

Page 102: ...th open circuits Check whether the PV string cable is in poor contact or with open circuits If yes reconnect the cable 504 Software Version Unmatch Minor Cause ID 1 2 3 During inverter software upgrade the version of the software loaded is incorrect Check whether you have performed a software upgrade recently If yes upgrade the software to the correct version again 505 Upgrade Failed Major Cause I...

Page 103: ...tions to remove the SUN2000 1 Disconnect all cables from the SUN2000 including RS485 communications cables DC input power cables AC output power cables and PGND cables 2 Remove the SUN2000 from the mounting bracket 3 Remove the mounting bracket 9 2 Packing the SUN2000 If the original packing materials are available put the SUN2000 inside them and then seal them by using adhesive tape If the origin...

Page 104: ...42KTL Maximum conversion efficiency 98 6 98 6 380 V 400 V 98 8 480 V 98 8 European efficiency 98 4 98 4 380 V 400 V 98 6 480 V 98 6 Input Item SUN2000 33KTL A SUN2000 36KTL SUN2000 42KTL Maximum input power cosφ 1 30 600 W 40 800 W 47 900 W Maximum input voltage 1100 V Maximum input current per MPPT 22 A Maximum short circuit current per MPPT 30 A Maximum inverter backfeed current to the PV array ...

Page 105: ...s 4 Note a The minimum startup voltage of the SUN2000 36KTL is 200 V under the NB T 32004 grid code Output Item SUN2000 33KTL A SUN2000 36KTL SUN2000 42KTL Rated active power 30 000 W 36 000 W 42 000 W Maximum apparent power 33 000 VA 40 000 VA 47 000 VA Maximum active powera cosφ 1 30 000 W 40 000 W can be set to 36 000 W 47 000 W can be set to 42 000 W Rated output voltageb 230 V 400 V 3W N c PE...

Page 106: ...e c Choose whether to connect the neutral wire to the SUN2000 33KTL A and SUN2000 36KTL based on the application scenario When they are used in the scenarios without the neutral wire set Output mode to Three phase three wire When they are used in the scenarios with the neutral wire set Output mode to Three phase four wire Protection Item SUN2000 33KTL A SUN2000 36KTL SUN2000 42KTL Input DC switch ...

Page 107: ...nication mode it supports only the RS485 and FE communication modes and does not support the PLC communication mode Common Parameters Item SUN2000 33KTL A SUN2000 36KTL SUN2000 42KTL Dimensions W x H x D 930 mm x 550 mm x 283 mm including the mounting plate Weight About 60 kg excluding the mounting plate About 62 kg including the mounting plate Operating temperature 25 C to 60 C Cooling mode Natur...

Page 108: ...d 230 V 400 V 3 UTE C 15 712 1 B France islands 230 V 50 Hz 230 V 400 V 4 UTE C 15 712 1 C France islands 230 V 60 Hz 230 V 400 V 5 CEI0 21 Italy low voltage power grid 230 V 400 V 6 RD1699 661 Spain low voltage power grid 230 V 400 V 7 PO12 3 Spain low voltage power grid 230 V 400 V 8 CEI0 16 Italy low voltage power grid 230 V 400 V 9 EN50438 TR Turkey low voltage power grid 230 V 400 V Table A 2...

Page 109: ...ower grid 230 V 400 V 12 RD1699 661 MV480 Spain medium voltage power grid 277 V 480 V 13 C10 11 Belgium low voltage power grid 230 V 400 V 14 AS4777 Australia low voltage power grid 230 V 400 V 15 IEC61727 IEC61727 low voltage power grid 50 Hz 230 V 400 V 16 CEI0 16 Italy low voltage power grid 230 V 400 V 17 TAI MEA Thailand low voltage power grid MEA 230 V 400 V 18 TAI PEA Thailand low voltage p...

Page 110: ...w voltage power grid 230 V 400 V 33 NRS 097 2 1 MV480 South Africa medium voltage power grid 277 V 480 V 34 KOREA South Korea low voltage power grid 220 V 380 V 35 IEC61727 60Hz IEC61727 low voltage power grid 60 Hz 230 V 400 V 36 IEC61727 60Hz MV480 IEC61727 medium voltage power grid 60 Hz 277 V 480 V 37 ANRE Romania low voltage power grid 230 V 400 V 38 ANRE MV480 Romania medium voltage power gr...

Page 111: ...4 SA_RPPs South Africa low voltage power grid 230 V 400 V 55 SA_RPPs MV480 South Africa medium voltage power grid 277 V 480 V 56 ZAMBIA Zambia low voltage power grid 220 V 380 V 57 Chile Chile low voltage power grid 220 V 380 V 58 Mexico MV480 Mexico medium voltage power grid 277 V 480 V 59 Malaysian Malaysia low voltage power grid 230 V 400 V 60 KENYA_ETHIOPIA Kenya low voltage and Ethiopia low v...

Page 112: ...rid 230 V 400 V 77 VDE AR N4120_HV VDE4120 standard power grid 230 V 400 V 78 VDE AR N4120_HV480 VDE4120 standard power grid 480 V 277 V 480 V 79 Vietnam Vietnam power grid 220 V 380 V 80 Custom 50Hz Reserved 230 V 400 V 81 Custom 60Hz Reserved 230 V 400 V 82 Custom MV480 50Hz Reserved 277 V 480 V 83 Custom MV480 60Hz Reserved 277 V 480 V Table A 3 lists the grid codes that the SUN2000 42KTL suppo...

Page 113: ...277 V 480 V 13 ANRE MV480 Romania medium voltage power grid 277 V 480 V 14 NRS 097 2 1 MV480 South Africa medium voltage power grid 277 V 480 V 15 IEC61727 60Hz MV480 IEC61727 medium voltage power grid 60 Hz 277 V 480 V 16 PO12 3 MV480 Spain medium voltage power grid 277 V 480 V 17 EN50438_IE MV480 Ireland medium voltage power grid EN50438_IE 277 V 480 V 18 KOREA MV480 South Korea medium voltage p...

Page 114: ... V 480 V 32 Northern Ireland MV480 Northern Ireland medium voltage power grid 277 V 480 V 33 Cameroon MV480 Cameroon medium voltage power grid 277 V 480 V 34 Jordan Distribution MV48 0 Jordan power distribution network medium voltage power grid 277 V 480 V 35 NAMIBIA_MV480 Namibia power grid 277 V 480 V 36 LEBANON MV480 Lebanon medium voltage power grid 277 V 480 V 37 Jordan Transmission HV4 80 Jo...

Page 115: ...8 05 04 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 109 No Power Grid Code Description Power Grid Voltage 45 Vietnam MV480 Vietnam power grid 277 V 480 V 46 Custom MV480 50Hz Reserved 277 V 480 V 47 Custom MV480 60Hz Reserved 277 V 480 V ...

Page 116: ...chnologies Co Ltd 110 B Acronyms and Abbreviations A ACDU AC distribution unit C CCO central controller E EFUP environmentally friendly use period L LED light emitting diode M MPP maximum power point MPPT maximum power point tracking N NMS network management system P PID potential induced degradation PLC power line communication PV photovoltaic ...

Page 117: ...Acronyms and Abbreviations Issue 07 2018 05 04 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 111 R RCMU residual current monitoring unit T THD total harmonic distortion W WEEE waste electrical and electronic equipment ...

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