Huawei SUN2000-30KTL-A User Manual Download Page 57

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SUN2000-(30KTL-A, 33KTL, 40KTL)
User Manual

5 Electrical Connections

Issue 04 (2016-06-20)

Huawei Proprietary and Confidential

Figure 5-14

Connecting the SUN2000-30KTL-A or SUN2000-40KTL AC output cable

(including the ground cable)

Step 8

Use a torque wrench with an open end of 52 mm to tighten the locking cap to a torque of 7.5
N·m.

----End

Follow-up Procedure

Check that the cables are connected correctly and securely, and then seal the cable holes with
firestop putty.

5.4 Connecting DC Input Power Cables

Connect the SUN2000 to PV strings over DC input power cables.

Prerequisites

Summary of Contents for SUN2000-30KTL-A

Page 1: ...SUN2000 30KTL A 33KTL 40KTL User Manual Issue 04 Date 2016 06 20 HUAWEI TECHNOLOGIES CO LTD ...

Page 2: ...e 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 document is subject...

Page 3: ...in to http support huawei com carrier and download the latest version Intended Audience This document is intended for photovoltaic PV power station personnel and qualified electrical technicians Symbol Conventions 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 death or serious ...

Page 4: ...ated to personal injury equipment damage and environment deterioration Change History Changes between document issues are cumulative Therefore the latest document issue contains all updates made in previous issues Issue 04 2016 06 20 Added SUN2000 30KTL A Issue 03 2015 12 01 Added Max inverter backfeed current to the array to chapter 10 Technical Specifications Issue 02 2015 08 10 This issue is th...

Page 5: ...on 23 4 3 2 Moving the SUN2000 28 4 3 3 Installing a Rear Panel 28 4 3 4 Installing the SUN2000 32 4 4 Support mounting the SUN2000 36 4 4 1 Determining the Installation Position 36 4 4 2 Moving the SUN2000 39 4 4 3 Installing a Rear Panel 39 4 4 4 Installing the SUN2000 41 5 Electrical Connections 42 5 1 Connecting PGND Cables 42 5 2 Opening the Maintenance Compartment Door 44 5 3 Installing AC O...

Page 6: ... with a USB Flash Drive 76 7 1 1 Exporting Configurations 76 7 1 2 Importing Configurations 78 7 1 3 Exporting Data 79 7 1 4 Upgrading 80 7 2 Operations with a SmartLogger 81 7 3 Operations with the NMS 81 7 4 Operations with the SUN2000 APP 81 8 System Maintenance 82 8 1 Routine Maintenance 82 8 2 Troubleshooting 83 9 Handling the Inverter 91 9 1 Removing the SUN2000 91 9 2 Packing the SUN2000 91...

Page 7: ...rning signs on the inverter enclosure because these signs contain important information about safe operation Do not tamper with the nameplate on the inverter enclosure because it contains important product information Do not remove the warranty label from the inverter enclosure Otherwise product warranty will be forfeited Installation Ensure that the inverter is not connected to a power supply and...

Page 8: ...e electric shocks and serious injuries during inverter operating Strictly comply with the safety precautions in this document and associated documents when operating the inverter Do not touch an operating inverter because the heat sinks may have a temperature of greater than 60º C and may cause burns when the inverter is operating Follow local laws and regulations when operating the equipment Main...

Page 9: ... Manual 1 Safety Precautions Issue 04 2016 06 20 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 3 Observe ESD precautions during the maintenance For personal safety wear insulation gloves and protective shoes ...

Page 10: ...er that converts the DC power generated by PV strings into AC power and feeds the power into the power grid Models Figure 2 1 shows a model number of the SUN2000 using SUN2000 30KTL A as an example Figure 2 1 Model number description Table 2 1 lists all models of the SUN2000 and their rated output power Table 2 1 SUN2000 models and rated output power Model Rated Output Power SUN2000 30KTL A 30 kW ...

Page 11: ... 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 supports the power grid modes TN S TN C TN C S and TT as shown in Figure 2 3 The SUN2000 30KTL A and SUN2000 40KTL only support the pow...

Page 12: ...id modes supported by the SUN2000 30KTL A and SUN2000 40KTL The SUN2000 30KTL A and SUN2000 40KTL are mainly used for medium voltage power grids They deliver three phase three wire output and then are fed to a medium voltage power grid over a step up transformer 2 2 Appearance Dimensions Figure 2 5 shows the SUN2000 dimensions Figure 2 5 SUN2000 dimensions unit mm ...

Page 13: ...ators from left to right Indicator Status Meaning PV connection indicator Steady green At least one PV string is properly connected and the DC input voltage of the corresponding MPPT circuit is higher than or equal to 200 V Off The inverter disconnects from all PV strings or the DC input voltage of each MPPT circuit is less than 200 V Grid tie indicator Steady green The SUN2000 is grid tied Off Th...

Page 14: ...n off for 1s Local maintenance is in progress Blinking green fast on for 0 125s and off for 0 125s Local maintenance has failed Steady green Local maintenance is successful 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 an...

Page 15: ...erview Issue 04 2016 06 20 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 9 Figure 2 7 SUN2000 rear view 1 Heat sink 2 Mounting bracket Bottom view Figure 2 8 shows the SUN2000 bottom view Figure 2 8 SUN2000 bottom view ...

Page 16: ... 7 Vent valve 2 PCS 8 Negative DC input terminal Six routes 9 Antenna ANT Reserved WiFi port 10 RS485 port COM2 The inner diameter ranges from 14 mm to 18 mm 2 3 Label Conventions Symbols Table 2 3 describes all symbols on the SUN2000 Table 2 3 Symbols Symbol Label Meaning Delay discharge There are high voltages when this SUN2000 is running Only qualified and trained electrical technicians are all...

Page 17: ...ot be removed when the SUN2000 is in operation Warranty label Never open the host panel of the SUN2000 SUN2000 serial number label Indicates the SUN2000 serial number Nameplate The SUN2000 is labeled with a nameplate that contains the model information technical specifications and compliance symbols If the SUN2000 only uses RS485 for communication the value of Communication on the nameplate is RS4...

Page 18: ... 06 20 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 12 Figure 2 9 Nameplate RS485 communication 1 Trademark product name and model number 2 Important technical specifications 3 Compliance symbols 4 Company name and country of manufacture ...

Page 19: ...ications 3 Compliance symbols 4 Company name and country of manufacture Table 2 4 describes the compliance symbols Table 2 4 Compliance symbols Symbol Name Meaning CQC certification mark The SUN2000 has been awarded the NB T 32004 certification by China Quality Certification Center CQC RCM certification mark The SUN2000 complies with RCM certification standards TÜVRheinland certification mark The ...

Page 20: ...stic waste For details about how to dispose of the SUN2000 see 9 Handling the Inverter 2 4 Working Process Circuit Diagrams The SUN2000 receives inputs from six PV strings Then the inputs are grouped into three MPPT routes inside the SUN2000 to track the maximum power point of the PV strings The DC power is then converted into three phase AC power through a converter circuit Surge protection is su...

Page 21: ...nfidential Copyright Huawei Technologies Co Ltd 15 Figure 2 12 Circuit diagram for the SUN2000 30KTL A and SUN2000 40KTL Working Modes Figure 2 13 shows the conditions for the SUN2000 to switch between working modes Figure 2 13 Working modes Figure 2 13 describes the operations shown in Table 2 5 ...

Page 22: ...etecting 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 if detecting a fault or a shutdown command and enters the standby mode if detecting that the PV string outpu...

Page 23: ...er Keep the storage temperature at 40 C to 70 C and the humidity at 5 100 RH The inverter should be stored in a clean and dry place and be protected from dust and water vapor corrosion A maximum of four inverters can be stacked Periodic inspections are required during the storage If any rodent bites are found replace the packing materials immediately If the inverter has been long term stored inspe...

Page 24: ...e materials Do not install the SUN2000 in a place where personnel are easy to come into contact with its chassis and heat sinks because these parts are extremely hot during operation 4 1 Checking Before Installation Outer Packing Materials Before unpacking the inverter check the outer packing materials for damage such as holes and cracks and check the inverter model If any damage is found or the i...

Page 25: ...king the inverter check that the deliverables are intact and complete If any damage is found or any component is missing contact the dealer For details about the number of deliverables see the Packing List in the packing case 4 2 Tools Prepare tools required for installation and electrical connections Tool Model Function Hammer drill Drill bit Φ14 mm Φ16 mm Drill bit Φ14 mm used for drilling holes...

Page 26: ...s to a terminal block and secures ground screws Socket wrench With an open end of 10 mm applicable to M6 or 13 mm applicable to M8 With a height of 100 mm adapted to the height distance between terminals and the cabinet frame Wrench handle length horizontal 200 mm Torque 0 8 N m Secures the ground screw and AC output terminals Diagonal pliers N A Cut cable ties Wire stripper N A Peels off cable ja...

Page 27: ... knife N A Removes packages Cable cutter N A Cuts power cables Crimping tool H4TC0001 Manufacturer AMPHENOL Crimps metal terminals when preparing DC input power cables RJ45 crimping tool N A Prepares RJ45 connectors for communications cables Removal tool H4TW0001 Manufacturer AMPHENOL Removes DC connectors from the SUN2000 Vacuum cleaner N A Cleans up dusts after drilling holes ...

Page 28: ...ei Technologies Co Ltd 22 Tool Model Function Multimeter DC voltage measurement range 1000 V DC Measures voltages Marker Diameter 10 mm Marks signs Measuring tape N A Measures distances Level N A Levels hole positions ESD gloves N A Protect operators during installation Safety goggles N A Protect operators when drilling holes ...

Page 29: ...e 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 Torque wrench With an open end of 18 mm 33 mm or 52 mm Secures bolts and locking caps 4 3 Wall mounting the SUN2000 4 3 1 Determining the Installation Position Basic Requirements The protection level of the SUN2000 is IP65 The SUN2000 can be ins...

Page 30: ...ch ensures optimal SUN2000 operation and extends the SUN2000 s service life The SUN2000 must be installed in a well ventilated environment to ensure good heat dissipation The SUN2000 should be free from direct exposure to sunlight rain and snow to extend its service life Based on the actual installation environment the customer can determine whether to build an awning Figure 4 2 describes the requ...

Page 31: ...of 15 degrees to facilitate heat dissipation Do not install the SUN2000 at a front tilt excessive back tilt side tilt horizontally or upside down Figure 4 3 Installation modes Installation Space Requirements It is recommended that the SUN2000 be installed at eye level to facilitate operation and maintenance Reserve enough clearance around the SUN2000 to ensure sufficient space for installation and...

Page 32: ...ce unit 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 available The stacked installation mode is not recommended Figure 4 5 Horizontal installation mode recommended unit mm ...

Page 33: ...anual 4 Installation Issue 04 2016 06 20 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 27 Figure 4 6 Triangle installation mode recommended unit mm Figure 4 7 Stacked installation mode not recommended unit mm ...

Page 34: ...he bottom of the device are not designed to support the weight of the SUN2000 Place the SUN2000 horizontally When placing the SUN2000 on the floor put foam or paper under the SUN2000 to protect its enclosure Procedure Step 1 Arrange two people to hold the handles on both sides of the SUN2000 as shown in Figure 4 8 Figure 4 8 Moving the SUN2000 Step 2 Lift the SUN2000 from the packing case and tran...

Page 35: ...UN2000 33KTL provides expansion bolts for installing the rear panel The SUN2000 40KTL does not provide expansion bolts You need to prepare expansion bolts by yourself M12x60 stainless expansion bolts are recommended Procedure Step 1 Determine the positions for drilling holes as shown in Figure 4 10 using the rear panel available in the packing case level the hole positions using a level and mark t...

Page 36: ... Huawei Technologies Co Ltd 30 Figure 4 10 Determining hole positions Step 2 Drill holes using a hammer drill and install the expansion bolts as shown in Figure 4 12 An expansion bolt contains four parts as shown in Figure 4 11 Figure 4 11 Expansion bolt composition 1 Expansion sleeve 2 Flat washer 3 Spring washer 4 Bolt ...

Page 37: ...oncrete wall after removing the bolt spring washer and flat washer Otherwise the rear panel will not be securely installed on the wall 1 Drill a hole in a marked position to a depth of 52 60 mm using a hammer drill with a Ф16 mm bit 2 Partially tighten an expansion bolt vertically insert it into the hole and knock the expansion bolt completely into the hole using a rubber mallet 3 Partially tighte...

Page 38: ...he SUN2000 Procedure Step 1 If the installation position is low and you can mount the SUN2000 on the rear panel go to Step 6 after performing Step 4 Step 2 If the installation position is high and you cannot mount the SUN2000 on the rear panel perform Step 3 to Step 7 Step 3 Mount the M10 screw lifting eyes provided by the customer into the lifting holes and tighten the lifting eyes as shown in Fi...

Page 39: ...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 as shown in Figure 4 15 To prevent personal injury caused by a falling SUN2000 keep balance when lifting the SUN2000 because it is heavy Figure 4 15 Lifting the SUN2000 Step 5 Route a rope that is able to bear the SUN2000 through the lifting eyes and hoist...

Page 40: ...dential Copyright Huawei Technologies Co Ltd 34 When hoisting the SUN2000 keep balance to protect the SUN2000 from colliding with the wall or other objects Figure 4 16 Hoisting the SUN2000 Step 6 Mount the SUN2000 on the rear panel and level the SUN2000 chassis with the rear panel as shown in Figure 4 17 ...

Page 41: ...unting the SUN2000 on the rear panel Step 7 Use a hex key to tighten the two hexagon screws at the bottom of the SUN2000 to a torque of 5 N m as shown in Figure 4 18 The hex key can be obtained from the fitting bag bound to the reinforcing rib at the chassis base Figure 4 18 Tightening hexagon screws Step 8 Optional Install an antitheft lock as shown in Figure 4 19 ...

Page 42: ...ons of the SUN2000 For details see 10 Technical Specifications Do not install the SUN2000 in a place where personnel are easy to come into contact with its chassis and heat sinks because these parts are extremely hot during operation Do not install the SUN2000 in an area that stores flammable or explosive materials Installation Environment Requirements The ambient temperature must be below 50 C wh...

Page 43: ...20 Awning unit mm Carrier Requirements The carrier where the SUN2000 is installed must be fire proof Do not install the SUN2000 on flammable building materials Ensure that installation surface is solid enough to bear the SUN2000 Installation Mode Requirements Install the SUN2000 vertically or at a maximum back tilt of 15 degrees to facilitate heat dissipation Do not install the SUN2000 at a front ...

Page 44: ...awei Technologies Co Ltd 38 Figure 4 21 Installation modes Installation Space Requirements It is recommended that the SUN2000 be installed at eye level to facilitate operation and maintenance Reserve enough clearance around the SUN2000 to ensure sufficient space for installation and heat dissipation as shown in Figure 4 22 ...

Page 45: ...Copyright Huawei Technologies Co Ltd 39 Figure 4 22 Installation space unit mm 4 4 2 Moving the SUN2000 For details see 4 3 2 Moving the SUN2000 4 4 3 Installing a Rear Panel Before installing the SUN2000 secure the shipped rear panel to a support Prerequisites Figure 4 23 shows the dimensions of the rear panel ...

Page 46: ... 23 Dimensions of the rear panel unit mm Procedure Step 1 Determine the positions for drilling holes as shown in Figure 4 24 using the rear panel available in the packing case level the hole positions using a level and mark the hole positions using a marker Figure 4 24 Determining hole positions Step 2 Drill holes using a hammer drill as shown in Figure 4 25 ...

Page 47: ...insert the screw assembly flat washer spring washer and M12x40 bolts into the holes through the rear panel secure them using the shipped stainless steel nuts and flat washers and tighten the bolts to a torque of 45 N m using a torque wrench with an 18 mm open end as shown in Figure 4 26 Figure 4 26 Securing a rear panel End 4 4 4 Installing the SUN2000 For details about how to install the SUN000 s...

Page 48: ...in this chapter are for reference only Select cables in accordance with local cable specifications yellow green wires are only used for grounding 5 1 Connecting PGND Cables Connect the SUN2000 to a ground bar over a protection ground PGND cable for grounding purposes Prerequisites The ground cable and OT terminals are available Ground cable Use an outdoor copper core cable with a cross sectional a...

Page 49: ...n appropriate length of the insulation layer of the ground cable using a wire stripper as shown in Figure 5 1 Figure 5 1 Stripped length Step 2 Insert the exposed core wires into the crimping area of the OT terminal and crimp them using hydraulic pliers as shown in Figure 5 2 Figure 5 2 Crimping a cable The crimping must result in full containment of the cable conductors and complete contact betwe...

Page 50: ...ND cable End 5 2 Opening the Maintenance Compartment Door Prerequisites Do not open the host panel of the inverter Before opening the maintenance compartment door ensure that the AC and DC power supplies are disconnected For details about how to disconnect the power supplies see 6 2 Powering Off the SUN2000 Do not leave unused screws in the chassis Procedure Step 1 Remove the two screws on the mai...

Page 51: ... Removing screws If the two screws are lost obtain the reserved screws from the fitting bag bound to the reinforcing rib at the chassis base Step 2 Open the maintenance compartment door and install a support bar as shown in Figure 5 5 The support bar can be obtained from the fitting bag bound to the reinforcing rib at the chassis base Figure 5 5 Installing a support bar ...

Page 52: ...00 40KTL chassis shell use a three core L1 L2 and L3 outdoor copper core cable To connect a ground cable to the ground point in the maintenance compartment use a four core L1 L2 L3 and PE outdoor copper core cable Outdoor copper core cables are recommended Table 5 1 describes the specifications Table 5 1 AC output cable specifications Inverter Model Cross sectional Area mm2 Cable Outer Diameter mm...

Page 53: ...gure 5 6 Removing theAC terminal cover To highlight the involved area the figure does not show the open maintenance compartment door Step 2 Remove an appropriate length of the jacket and insulation layer from the AC output power cable using a wire stripper Ensure that the jacket is in the maintenance compartment Figure 5 7 Stripping the SUN2000 33KTLAC output cable excluding the ground cable A Cor...

Page 54: ...nd cable Figure 5 10 Stripping the SUN2000 30KTL A or SUN2000 40KTLAC output cable including the ground cable Step 3 Insert the exposed core wires into the crimp area of the OT terminal and crimp them using hydraulic pliers Step 4 Wrap the wire crimp area with heat shrink tubing or PVC insulation tape If heat shrink tubing is used put it through the power cable and then crimp the OT terminal Step ...

Page 55: ...of 4 N m using a 10 mm socket wrench Connect the SUN2000 30KTL A or SUN2000 40KTL AC output wires to pins L1 L2 and L3 of the AC terminal block and tighten the screws to a torque of 8 N m using a 13 mm socket wrench To connect a ground cable to the ground point in the maintenance compartment tighten the ground screw to a torque of 4 N m using an M6 torque screwdriver Ensure that the AC output powe...

Page 56: ...4 2016 06 20 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 50 Figure 5 12 Connecting the SUN2000 33KTLAC output cable including the ground cable Figure 5 13 Connecting the SUN2000 30KTL A or SUN2000 40KTLAC output cable excluding the ground cable ...

Page 57: ...or SUN2000 40KTLAC output cable including the ground cable Step 8 Use a torque wrench with an open end of 52 mm to tighten the locking cap to a torque of 7 5 N m End Follow up Procedure Check that the cables are connected correctly and securely and then seal the cable holes with firestop putty 5 4 Connecting DC Input Power Cables Connect the SUN2000 to PV strings over DC input power cables Prerequ...

Page 58: ...terminals of the SUN2000 respectively Ensure that the PV string is well insulated to the ground If the SUN2000 is directly connected to the power grid with the neutral wire connected to the PGND cable for example a low voltage power grid or a power grid with the neutral wire grounded do not ground the positive and negative terminals of PV strings Otherwise the SUN2000 may be damaged The caused equ...

Page 59: ...uirements Number of Inputs SUN2000 1 Connected to any one route 2 Connected to routes 1 and 3 3 Connected to routes 1 3 and 5 4 Connected to routes 1 2 3 and 5 5 Connected to routes 1 2 3 4 and 5 6 Connected to routes 1 2 3 4 5 and 6 DC input cable specifications Table 5 3 lists the recommended DC input cable specifications Table 5 3 Recommended DC input cable specifications Cable Type Cross secti...

Page 60: ...ng nut Figure 5 17 Negative connector composition 1 Insulation shell 2 Locking nut Use the Amphenol HH4 DC input terminals delivered with the SUN2000 If the terminals are lost or damaged prepare Amphenol HH4 Amphenol H4 or MC4 DC input terminals by yourself You can also purchase Amphenol HH4 DC input terminals from Huawei DC input terminals not of the previous models may be incompatible with the S...

Page 61: ...ure 5 18 Stripped length Step 2 Insert the exposed area of the positive and negative power cables into the metal terminals of the positive and negative connectors respectively and crimp them using a crimping tool as shown in Figure 5 19 Ensure that the cables are crimped tightly such that they cannot be pulled out by a force less than 400 N Figure 5 19 Crimping a metal terminal Step 3 Insert the c...

Page 62: ...tion by slightly pulling them back Step 4 Tighten the locking nuts on the positive and negative connectors Secure the nuts using a removal wrench as shown in Figure 5 21 Figure 5 21 Locking a nut Step 5 Pull out the blue dustproof plugs from the ends of the DC input connectors Step 6 Ensure that the DC input voltage of each PV string does not exceed 1000 V DC using a multimeter and check that the ...

Page 63: ...e performing Step 7 ensure that the DC SWITCH is OFF Step 7 Insert the positive and negative connectors into the corresponding DC input terminals of the SUN2000 until a click sound is heard as shown in Figure 5 23 After the positive and negative connectors are in position the clearance between the DC terminals and connectors should be less than or equal to 0 8 mm and the DC input cables cannot be ...

Page 64: ...ged The damage caused by reverse connection of the DC input power cable is beyond the warranty scope Wait until the PV string voltage reduces to the safe range below 60 V DC Then turn off the DC SWITCH remove the positive and negative connectors and rectify the connection End Follow up Procedure To remove the positive and negative connectors from the SUN2000 insert a removal wrench into the bayone...

Page 65: ... PC through the SmartLogger to implement communication You can use the SUN2000 APP SmartLogger 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 25 shows the communication mode for a single SUN2000 Figure 5 25 Communication mode for a single SUN2000 Figure 5 26 shows the comm...

Page 66: ... to support up to 200 devices To ensure the system response speed it is recommended that the number of devices on each daisy chain be less than 30 Each SmartLogger2000 can connect to a maximum of 80 SUN2000s PLC The PLC communication board loads communication signals onto power cables for transmission For details about how to install the PLC see the PLC CCO01A User Manual or SmartLogger2000 User M...

Page 67: ... shielded RJ45 connector and a CAT 5E outdoor shielded network cable with an outer diameter less than 9 mm and internal resistance not greater than 1 5 ohms 10 m Select either connection mode during installation Connecting to a terminal block is recommended When routing communications cables ensure that communications cables are separated from power cables and away from interfering source to preve...

Page 68: ...ignal 3 N A 4 RS485A RS485 differential signal 5 RS485B RS485 differential signal 6 N A 7 N A 8 N A Procedure Method 1 Connecting to a terminal block recommended a Remove an appropriate length of the jacket and core wire insulation layer from the communications cable using a wire stripper as shown in Figure 5 29 Figure 5 29 Stripping an RS485 communications cable b Remove the locking caps from the...

Page 69: ...t the output end to terminals 6 and 8 on the terminal block Tighten the terminals using an M3 flat head screwdriver to a torque of 0 5 N m Connect the shield layer to the ground point and tighten the screw using an M4 Phillips torque screwdriver to a torque of 1 2 N m as shown in Figure 5 30 When connecting the shielded cables choose whether to crimp the M4 OT terminal based on site requirements F...

Page 70: ... connector in sequence as shown in Figure 5 32 Figure 5 32 Connecting wires to the RJ45 connector 1 White and orange 2 Orange 3 White and green 4 Blue 5 White and blue 6 Green 7 White and brown 8 Brown b Crimp the connectors using a crimping tool c Remove the locking cap from the COM1 waterproof cable connector at the inverter bottom and remove the plugs from the locking cap d Route the cables thr...

Page 71: ...tial Copyright Huawei Technologies Co Ltd 65 Figure 5 33 Connecting RS485 communications cables f Bind the communications cables after connecting them as shown in Figure 5 34 Figure 5 34 Binding communications cables g 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 72: ...al connections are tightened 3 Ground cables are connected correctly and securely with no open circuit or short circuit 4 AC output power cables are connected correctly and securely with no open circuit or short circuit 5 DC input power cables are connected correctly and securely with no open circuit or short circuit 6 The DC input voltage is not higher than 1000 V and meets the local voltage rang...

Page 73: ...ial Copyright Huawei Technologies Co Ltd 67 Figure 5 35 Installing the AC terminal cover Step 2 Remove the support bar as shown in Figure 5 36 Figure 5 36 Removing a support bar Step 3 Close the maintenance compartment door and tighten the screws on the door using a hex key to a torque of 4 N m as shown in Figure 5 37 ...

Page 74: ... Issue 04 2016 06 20 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 68 Figure 5 37 Tightening screws on the door If the two screws are lost obtain the reserved screws from the fitting bag bound to the reinforcing rib at the chassis base End ...

Page 75: ...e SUN2000 can start normally after the fault is automatically rectified The default alarm clearance time is 1 minute You can modify the time over the NMS software installed on the PC that connects to the SUN2000 Step 2 Turn on the DC SWITCH at the bottom of the inverter chassis Step 3 Optional Measure the temperatures at the joints between the DC terminals and the connectors using a point test the...

Page 76: ...y Bluetooth connection When you use a Bluetooth module to set up the connection ensure that the mobile phone and inverter are at most 10 meters away from each other Otherwise the communication quality between them will deteriorate The screen snapshots in this document correspond to app V200R001C00SPC020 Figure 6 1 Bluetooth module connection mode A Inverter B Bluetooth module C Mobile phone Figure...

Page 77: ...KTL A 33KTL 40KTL User Manual 6 System Commissioning Issue 04 2016 06 20 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 71 Figure 6 3 Login screen Figure 6 4 Selecting a connection mode ...

Page 78: ...prietary and Confidential Copyright Huawei Technologies Co Ltd 72 Figure 6 5 Bluetooth connection 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 ...

Page 79: ...login During the login if an incorrect password is entered for five consecutive 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 the successful login the Quick Settings screen or Function Menu screen is displayed If you log in...

Page 80: ...and time Set Baud rate Protocol and Address based on site requirements Baud rate can be set to 4800 9600 or 19200 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 SmartLogger1000 or SmartLogger2000 over RS485 the addresses for all the inverters on each RS485 route must be within the address range set on the ...

Page 81: ...he 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...

Page 82: ...e USB flash drives of SanDisk 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 computer Optional The boot script file can be opened as a txt file as shown in Figure 7 1 ...

Page 83: ...e 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 do not match and you insert the USB flash drive for five consecutive times the user acco...

Page 84: ...drive with the imported one Replace the boot script file only and keep the exported files Step 4 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 S...

Page 85: ...D 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 3 LED indicator description LED Indicator Status Meaning Green off There is no operation with a USB flash drive Blinkin...

Page 86: ...the login password of the SUN2000 APP is the initial password 00000a there is no need to perform Step 3 Step 5 When the login password of the SUN2000 APP is not the initial password perform Step 3 Step 7 Step 3 On the SUN2000 APP tap Inverter Command Settings to generate a boot script file For details see the SUN2000 APP User Manual Step 4 Import the boot script file to a computer Step 5 Replace t...

Page 87: ...tep 8 Optional The system automatically restarts when the upgrade is completed All LED indicators turn off during the restart After the restart the green indicator is blinking at long intervals on for 1s and 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 Upgrade in the SUN2000 APP For deta...

Page 88: ...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 Table 8 1 Maintenance list Item Check Method Maintenance Interval System cleanliness Check periodically that the heat sinks are free from obstacles or dust Maintain the DC SWITCH at night Turn on the DC SWITCH and then tur...

Page 89: ...s half a year after the initial commissioning From then on perform the inspection once six months to a year Grounding reliability Check that ground cables are securely connected The first inspection is half a year after the initial commissioning From then on perform the inspection once six months to a year 8 2 Troubleshooting Alarm severities are defined as follows Major The inverter enters the sh...

Page 90: ...duce the number of PV modules connected in series to PV strings 1 and 2 until the open circuit voltage is less than or equal to the maximum inverter input voltage After the PV array configuration is corrected the inverter alarm disappears Cause ID 2 Reduce the number of PV modules connected in series to PV strings 3 and 4 until the open circuit voltage is less than or equal to the maximum inverter...

Page 91: ... conditions trigger the protection for the DC circuit inside the inverter The possible causes are as follows Cause ID 3 The inverter input is disconnected accidentally or the PV string output power changes sharply because the PV string is shielded from sunlight Cause ID 10 The three phases of the power grid are seriously unbalanced which triggers the protection for the internal control circuit of ...

Page 92: ...ltage 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 protection is triggered Cause ID 16 The DC current in the power grid exceeds the upper threshold Cause ID 20 The inverter output is short circuited As a result the output current surges to a value above the upper limit and the invert...

Page 93: ... normal 2 If the alarm occurs frequently check whether the power 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 power grid overvoltage and undervoltage protection thresholds with the consent of the local power operator 3 If the fault persists for a long time check the AC circuit breaker and AC out...

Page 94: ...wer operator Cause ID 5 1 If the alarm occurs accidentally the power grid may be abnormal temporarily The inverter automatically recovers after detecting that the power grid becomes normal 2 If the alarm occurs frequently check whether the power grid frequency is within the acceptable range If no contact the local power operator 313 Low Insulation Resistance Major Cause ID 1 A short circuit occurs...

Page 95: ...nverter When you are grounding the PV string you do not connect an isolation transformer to the inverter output 1 Check that the neutral wire or PGND cable properly connects to the inverter 2 If the PV string is grounded check whether the inverter output needs to connect to an isolation transformer If yes connect the transformer to the inverter 400 System Fault Major Cause ID 1 3 21 23 27 An unrec...

Page 96: ...pgrade Failed Major Cause ID 1 The upgrade does not end normally Perform the upgrade again 61440 Flash Fault Minor Cause ID 1 The flash memory is insufficient The flash memory has bad sectors 1 Replace the monitoring board 2 If the monitoring board is built into the monitoring device replace the monitoring device If you cannot rectify faults with the measures listed in the preceding table contact ...

Page 97: ...emove 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 Optional Open the anti theft lock at the bottom of the SUN2000 3 Remove the SUN2000 from the rear panel 4 Remove the rear panel 9 2 Packing the SUN2000 If the original packing materials are available put the SUN2000 inside them and then sea...

Page 98: ...2000 33KTL SUN2000 40KTL Max efficiency 98 8 98 6 98 8 Chinese efficiency N A 98 19 98 44 European efficiency 98 4 98 3 N A Input Technical Specifications SUN2000 30KTL A SUN2000 33KTL SUN2000 40KTL Max input power cos φ 1 33800 W 33800 W 40800 W Max input voltage 1000 V Max input current per MPPT route 23 A Max short circuit current per MPPT route 34 5 A Max input current three MPPT routes 3 x 23...

Page 99: ...power 33000 VA 33000 VA 40000 VA Maximum AC output power cos φ 1 a 30000 W 30000 W 33000 W 40000 W Rated output voltage 277 V 480 V 3W PE 220 V 380 V 230 V 400 V 240 V 415 V 3W N PE or 3W PEb 277 V 480 V 3W PE AC power frequency 50 Hz 60 Hz Max output current 40 A 48 A 48 A Power factor 0 8 leading 0 8 lagging Max total harmonic distortion 3 Note a The maximum output power of the SUN2000 33KTL var...

Page 100: ... protection Supported Input reverse connectio n protection Supported PV string fault detection Supported DC surge protection Type II AC surge protection Type II Insulation resistance detection Supported Residual current device RCD detection Supported AC overvoltage and undervoltage protection Supported AC overfrequency and underfrequency protection Supported Display and Communication Technical Spe...

Page 101: ... Optional General Data Technical Specifications SUN2000 30KTL A SUN2000 33KTL SUN2000 40KTL Dimensions W x H x D 550 mm x 770 mm x 270 mm Weight 50 kg Operating temperature range 25 C to 60 C Cooling Natural convection Operating altitude 4000 m Relative humidity 0 100 non condensing Input terminal Amphenol HH4 Output terminal Waterproof PG connector OT terminal Protection level IP65 Self consumpti...

Page 102: ...683 IEC 60068 2 UTE C 15 712 1 G59 3 PEA 2013 Resolution No 07 NRS 097 2 1 RD661 RD1699 PO12 3 EN IEC 61000 1 EN IEC 61000 2 EN IEC 61000 3 EN IEC 61000 4 EN IEC 62109 1 EN IEC 62109 2 IEC 61727 IEC 62116 NB T 32004 2013 VDE AR N 4105 VDE 0126 1 1 BDEW G59 3 UTE C 15 712 1 EN 50438 Ireland EN 50438 Turkey AS 4777 PEA MEA Resolution No 07 NRS 097 2 1 EN 61000 3 EN 61000 6 EN IEC 62109 1 EN IEC 6210...

Page 103: ...ximum Output Power 1 VDE AR N 4105 Germany low voltage power grid 230 V 400 V 30 kW 2 BDEW MV Germany medium voltage power grid 230 V 400 V 30 kW 3 NB T 32004 China low voltage power grid 220 V 380 V 33 kW 4 EN50438 NL Netherlands low voltage power grid 230 V 400 V 30 kW 5 UTE C 15 712 1 A France low voltage power grid 230 V 400 V 30 kW 6 UTE C 15 712 1 B Islands of France 230 V 50 Hz 230 V 400 V ...

Page 104: ... kW 230 V 400 V 30 kW 17 AS4777 Australia low voltage power grid 230 V 400 V 30 kW 18 C10 11 Belgium low voltage power grid 230 V 400 V 30 kW 19 IEC61727 IEC low voltage power grid 50 Hz 230 V 400 V 30 kW 20 TAI PEA Thailand low voltage power grid PEA 220 V 380 V 30 kW 21 TAI MEA Thailand low voltage power grid MEA 230 V 400 V 30 kW 22 EN50438 TR Turkey low voltage power grid 230 V 400 V 30 kW 23 ...

Page 105: ...MV China medium volta ge power grid 380 V 220 V 380 V 30 kW 40 kW 4 BDEW MV 480 Germany medium volta ge power grid 277 V 480 V 30 kW 40 kW 5 Custom MV 480 50 Hz Reserved 277 V 480 V 30 kW 40 kW 6 Custom MV 480 60 Hz Reserved 277 V 480 V 30 kW 40 kW 7 G59 Englan d MV480 UK 480 V Medium volta ge power grid I 16 A 277 V 480 V 30 kW 40 kW 8 IEC61727 MV480 IEC medium volta ge power grid 50 Hz 277 V 480...

Page 106: ...ower grid 277 V 480 V 30 kW 40 kW 16 C11 C10 M V480 Belgium medium volta ge power grid 277 V 480 V 30 kW 40 kW 17 Philippines MV480 Philippines medium volta ge power grid 277 V 480 V 30 kW 40 kW 18 AS4777 M V480 Australia medium volta ge power grid 277 V 480 V 30 kW 40 kW 19 NRS 097 2 1 MV480 South Africa medium volta ge power grid 277 V 480 V 30 kW 40 kW 20 IEC61727 6 0 Hz MV480 IEC medium volta ...

Page 107: ...opyright Huawei Technologies Co Ltd 101 B Acronyms and Abbreviations A AC alternating current ACDU AC distribution unit C CCO central controller D DC direct current E EFUP environmentally friendly use period L LED light emitting diode N NMS network management system M MPP maximum power point MPPT maximum power point tracking P ...

Page 108: ...eviations Issue 04 2016 06 20 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 102 PDC power distribution cabinet PLC power line communication PV Photovoltaic R RCD residual current device W WEEE waste electrical and electronic equipment ...

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