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SUN2000-(33KTL, 40KTL)-JP
User Manual

6 Electrical Connections (12-pin Spot-Check Terminal)

Issue 07 (2019-06-30)

Copyright © Huawei Technologies Co., Ltd.

67

Figure 6-2

Keeping the door open with a support bar

----End

6.2 Connecting a Ground Cable to the PE Point

Prerequisites

The ground cable and OT terminal are available.



Ground cable: outdoor copper cable with a cross-sectional area greater than or equal to
5.5 mm

2



The SUN2000 is grounded in type A or C mode.



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 mainly used for connecting to the
ground cable included in the multi-core AC power cable. For details, see

AC Output Power Cables

or

6.3 Installing the AC Output Power Cable



There are two ground points on the enclosure shell and one of them is standby.



It is recommended that the ground cable be connected to a nearby ground point. For a
system with multiple SUN2000s connected in parallel, connect the ground points of all
SUN2000s to ensure equipotential connections to ground cables.

Procedure

Step 1

Strip an appropriate length of the insulation layer using a wire stripper, as shown in

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Summary of Contents for SUN2000-33KTL-JP

Page 1: ...SUN2000 33KTL 40KTL JP User Manual Issue 07 Date 2019 06 30 HUAWEI TECHNOLOGIES CO LTD ...

Page 2: ...stomer 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 to ...

Page 3: ...ians 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 injury Indicates a potentially hazardous situation which if not avoided could result in death or serious injury Indicates a potentially hazardous situation which if not avoided may result in...

Page 4: ...ables and 6 3 Installing the AC Output Power Cable Added the description about the metal stamping forming contact in 5 4 Connecting DC Input Power Cables and 6 4 Installing the DC Input Power Cable Issue 05 2017 11 10 Updated 9 1 Routine Maintenance of 9 Maintenance Issue 04 2017 07 31 Added the description about the SUN2000 with a 12 pin spot check terminal Issue 03 2017 06 05 Updated Installatio...

Page 5: ...SUN2000 33KTL 40KTL JP User Manual About This Document Issue 07 2019 06 30 Copyright Huawei Technologies Co Ltd iv Issue 01 2016 07 30 This issue is the first official release ...

Page 6: ... Installing the Mounting Bracket 26 4 3 4 Installing the SUN2000 29 4 4 Support mounting the SUN2000 32 4 4 1 Determining the Installation Position 32 4 4 2 Moving the SUN2000 34 4 4 3 Installing the Mounting Bracket 34 4 4 4 Installing the SUN2000 36 5 Electrical Connections 2 pin Spot Check Terminal 37 5 1 Opening the Maintenance Compartment Door 37 5 2 Installing a Ground Cable to the PE Point ...

Page 7: ...rtment Door 89 7 System Commissioning 92 7 1 Checking Before Power On 92 7 2 Powering On the SUN2000 92 7 3 Powering Off the SUN2000 98 8 Man Machine Interactions 99 8 1 Operations with a USB Flash Drive 99 8 1 1 Exporting Configurations 99 8 1 2 Importing Configurations 101 8 1 3 Exporting Data 102 8 1 4 Upgrading 102 8 2 Operations with a SmartLogger 104 8 3 Operations with the NMS 104 8 4 Opera...

Page 8: ...s 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 Personnel Requirements Only qualified electrical technicians are allowed to install and operate the SUN2...

Page 9: ...t door of the chassis before connecting cables Do not perform any operation on other components inside the chassis except connecting AC power cables and communications cables Cable Connections Before connecting cables ensure that the inverter is securely positioned and not damaged in any way Otherwise electric shocks or fire may occur Ensure that all electrical connections comply with local electr...

Page 10: ...nts 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 compromise the inverter security performance before ...

Page 11: ...er and feeds the power into the power grid Models Figure 2 1 shows a model number of the SUN2000 using SUN2000 33KTL JP as an example Figure 2 1 Model number description Table 2 1 describes the rated output power and voltage of all models of SUN2000 Table 2 1 SUN2000 models and corresponding rated output power and voltage Model Rated Output Power Rated Output Voltage SUN2000 33KTL JP 33 3 kW 420 V...

Page 12: ...ters AC combiner box and isolation transformer as shown in Figure 2 2 Figure 2 2 Network application A PV string B SUN2000 C AC combiner box D Isolation transformer E Power grid Supported Power Grids The SUN2000 only supports the IT power grid mode as shown in Figure 2 3 Figure 2 3 Power grid mode supported by the SUN2000 The SUN2000 is mainly used for medium voltage power grids It delivers three ...

Page 13: ...ew Issue 07 2019 06 30 Copyright Huawei Technologies Co Ltd 6 2 2 Appearance Dimensions Figure 2 4 SUN2000 dimensions including the mounting plate Figure 2 5 Mounting bracket dimensions SUN2000 Front View Figure 2 6 shows the SUN2000 front view ...

Page 14: ...DC input voltage of the corresponding MPPT circuit is higher than or equal to 200 V Green off The inverter 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 Blinking green at short intervals on for 0 5s a...

Page 15: ...maintenance fails Steady green Local maintenance succeeds Local maintenance refers to operations performed after a USB flash drive a WLAN module a Bluetooth module or a USB data cable is inserted into the USB port of the solar inverter For example local maintenance includes data import and export using a USB flash drive and connecting to the SUN2000 app over a WLAN module a Bluetooth module or a U...

Page 16: ...eat sink 2 Mounting plate SUN2000 bottom view Figure 2 8 shows the SUN2000 bottom view Figure 2 8 SUN2000 bottom view No Component Silk Screen 1 Waterproof cable connector inner diameter 37 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 17: ...ed when the USB port is not in use 2 3 Label Description Symbols Table 2 3 describes the labels on the SUN2000 chassis and the 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 sh...

Page 18: ...ck terminal operation warning Exercise caution when operating spot check terminals because they are always energized Disconnect the DC switches 1 and 2 before performing the dielectric withstand voltage test through the PV1 to PV8 and PV1 and PV8 ports SUN2000 serial number label Indicates the SUN2000 serial number Weight label The SUN2000 is heavy and needs to be moved with auxiliary tools or by ...

Page 19: ...ry of manufacture The nameplate figure is for reference only Table 2 4 describes the compliance symbols Table 2 4 Compliance symbols Symbol Name Meaning TÜVRheinland certification mark The SUN2000 complies with TÜVRheinland certification standards CE certification mark The SUN2000 complies with Conformité Europé enne CE certification standards Environmentally friendly use period EFUP label The SUN...

Page 20: ... eight PV strings Then the inputs are grouped into four 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 an inverter circuit Surge protection is supported on both the DC and AC sides Figure 2 10 shows the SUN2000 conceptual diagram Figure 2 10 SUN2000 conceptual diagram Working Modes The SUN2000 can w...

Page 21: ...utdown 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 the standby mode after detecting...

Page 22: ...it using the adhesive tape Keep the storage temperature at 40 C to 70 C and the humidity at 5 95 RH The SUN2000 should be stored in a clean and dry place and be protected from dust and water vapor corrosion A maximum of five SUN2000s can be stacked Periodic inspections are required during the storage Replace the packing materials as necessary If the SUN2000 has been long term stored inspections an...

Page 23: ...found or the inverter model is not what you require do not unpack the package but contact the dealer 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 Deliverables After unpacking the inverter check that the deliverables are intact and complete If any damag...

Page 24: ...t 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 Cut cable ties Wire s...

Page 25: ...mmers expansion bolts into holes Utility knife N A Removes packages Cable cutter N A Cuts power cables Crimping tool Model UTXTC0005 or H4TC0003 Manufacturer Amphenol Crimps metal contacts when preparing DC input power cables NOTE UTXTC0005 Amphenol is used to crimp metal cold forming contacts H4TC0003 Amphenol is used to crimp metal stamping forming contacts RJ45 crimping tool N A Prepares RJ45 c...

Page 26: ...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: ...ves 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 DT terminals Heat shrink tubing N A Wraps the cable crimping area of an OT DT terminal Heat gun N A Heat shrinks a tube ...

Page 28: ...alled 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 on flammable building materials ...

Page 29: ...UN2000 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: ...be greater than or equal to 300 mm and less than or equal to 730 mm If the site cable is hard the space at the bottom is recommended to be within the range of 600 mm and 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...

Page 31: ...SUN2000 33KTL 40KTL JP User Manual 4 System Installation Issue 07 2019 06 30 Copyright Huawei Technologies Co Ltd 24 Figure 4 6 Triangle installation mode recommended ...

Page 32: ...eep 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 two persons to hold the handles o...

Page 33: ...alling the SUN2000 you need to prepare the expansion bolts M12x60 stainless expansion bolts are recommended Context Figure 4 9 shows the hole distances of the SUN2000 mounting bracket Figure 4 9 Hole distances of a mounting bracket 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 ...

Page 34: ...holes using the mounting bracket as shown in Figure 4 11 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 as shown in Figure 4 13 Avoid drilling holes in the water pipes and power cables buried in the wall An expansion bolt contains four parts as shown in Figu...

Page 35: ...ter 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 Partially tighten an expansion bolt vertically insert an expansion bolt into a hole and knock the expansion bolt complet...

Page 36: ...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 as shown in Figure 4 15 To prevent personal ...

Page 37: ...Co Ltd 30 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 as shown in Figure 4 16 When hoisting the SUN2000 keep balance to protect the SUN2000 from colliding with the wall or other objects Figure 4 16 Hoisting a SUN2000 ...

Page 38: ... SUN2000 on the mounting bracket and level the SUN2000 chassis with the mounting bracket as shown in Figure 4 17 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 as shown in Figure 4 18 Figure 4 18 Tightening security torx screws End ...

Page 39: ...nstallation Environment 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 SUN2000 is installed must be fireproo...

Page 40: ...k tilt side tilt horizontally or upside down Figure 4 20 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 21 Figure 4 21 Installation space ...

Page 41: ...nge of 600 mm and 730 mm If you have any questions about the distance consult the local technical support engineers 4 4 2 Moving the SUN2000 For details see 4 3 2 Moving the SUN2000 4 4 3 Installing the Mounting Bracket Context Figure 4 22 shows the hole distances of the SUN2000 mounting bracket Figure 4 22 Hole distances of a mounting bracket The SUN2000 mounting bracket has 16 tapped holes in fo...

Page 42: ...ing hole positions Step 3 Drill holes using a hammer drill as shown in Figure 4 25 You are advised to apply anti rust paint on the hole positions for protection Figure 4 25 Drilling 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 st...

Page 43: ... SUN2000 is delivered with M12x40 bolt assemblies If the screw length does not meet the installation requirements prepare M12 bolt assemblies by yourself and use them together with the delivered M12 nuts Figure 4 26 Securing a mounting bracket End 4 4 4 Installing the SUN2000 For details see 4 3 4 Installing the SUN2000 ...

Page 44: ...e connections is beyond the warranty scope Only certified electrician can perform electrical terminations Wear proper PPE at all time when terminating cables To prevent poor cable contact due to overstress caused by ground subsidence it is recommended that the cable be bent and reserved and then connected to the appropriate port The cable colors shown in the electrical connection drawings provided...

Page 45: ...ions 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 screws from the main...

Page 46: ...eferred to connect to the PE cable for the SUN2000 The ground point in the maintenance compartment is mainly 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 or 6 3 Installing the AC Output Power Cable There are two ground points on the enclosure shell and one of them is standby It is recommended that the ground...

Page 47: ...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 torque of ...

Page 48: ...ely disconnect from the power grid under abnormal conditions select an appropriate overcurrent protection device according to local power distribution regulations Do not connect loads between the SUN2000 and the AC switch Context If the SUN2000 communicates over PLC MBUS a CV cable is recommended If the SUN2000 communicates over RS485 a CV or CVT cable is recommended If you connect a ground cable ...

Page 49: ...2 connector mm Value range 24 32 Recommended value 28 Select an appropriate AC OUTPUT connector based on the cable outer diameter This document uses the AC OUTPUT 2 connector as an example to describe how to connect a cable You need to prepare M8 OT terminals by yourself If you connect a ground cable to the ground point in the maintenance compartment prepare an M6 OT terminal by yourself Requireme...

Page 50: ...ction 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 contacts the aluminum wiring terminal and the copper side contacts the AC terminal block Figure 5 6 Requirements ...

Page 51: ...AC terminal cover To highlight the involved area the figure does not show the open 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 8 Stripping anAC output power cable three core wires A Core wire B Insulation layer C Jacket ...

Page 52: ... tubing is used put it through the power cable and then crimp the OT terminal Step 5 Remove the locking cap from the AC OUTPUT 2 cable gland at the inverter bottom and remove the plug from the locking cap Step 6 Route the AC output power cable through the locking cap and then the AC OUTPUT 2 connector at the inverter bottom Step 7 Connect the AC output power cable to the AC terminal block and then...

Page 53: ...function 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 ensure that the last cable bearing the force is the PE cable If a waterproof connector is not properly sealed water or foreign matter could enter the maintenance compartment and damage the SUN2000 Figure 5 10 Connecting an AC ou...

Page 54: ...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 Prerequisites Before connecting DC input power cables ensure that the DC voltage is within the safe range lower than 60 V DC and that the two DC switches on the SUN2000 are OFF Otherwise the high voltage may re...

Page 55: ... the installation of PV strings and SUN2000 the positive or negative terminals of PV strings may be grounded if power cables are not properly installed or routed In this case an AC or DC short circuit may occur and damage the SUN2000 The caused equipment damage is beyond the warranty scope The PV strings must meet the following requirements if they need to be grounded A three phase isolation trans...

Page 56: ...s to routes 1 2 3 5 6 and 7 7 Connects to routes 1 2 3 4 5 6 and 7 8 Connects to routes 1 2 3 4 5 6 7 and 8 DC input power cable specifications Table 5 3 lists the recommended DC input power cable specifications Table 5 3 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 mod...

Page 57: ...ure 5 13 Positive connector 1 Insulation shell 2 Locking nut Figure 5 14 Negative connector 1 Insulation shell 2 Locking nut Use the positive and negative metal terminals and DC connectors supplied with the SUN2000 Using other models of positive and negative metal terminals and DC connectors may result in serious consequences The caused device damage is not covered under any warranty or service ag...

Page 58: ...ing crimping tool UTXTC0005 Amphenol recommended or H4TC0001 Amphenol Crimp the metal stamping forming contacts using crimping tool H4TC0003 Amphenol recommended H4TC0002 Amphenol 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 15 Crimping tool H4TC0005 1 Locator Figure 5 16 Preparing ...

Page 59: ... 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 using a ...

Page 60: ...age 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 SUN2000 until they snap into place as shown in Figure 5 19 After the positive and negative connectors snap into place pull the DC input power cables back to ensure that they are connected securely ...

Page 61: ...used 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 rectify the connection 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 62: ... 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 21 shows the communication mode for a single SUN2000 Figure 5 21 Communication mode for a single SUN2000 Figure 5 22 shows the comm...

Page 63: ...y chain be less than 30 PLC MBUS Communication The PLC MBUS communication board loads communication signals onto power cables for transmission For details about how to install the PLC MBUS see the SmartLogger2000 User Manual The built in PLC MBUS module in the SUN2000 does not need to be connected with cables Selecting a Communication Mode The RS485 and PLC MBUS communication modes are mutually ex...

Page 64: ...r diameter in the range of 14 mm to 18 mm RJ45 network port connection You are advised to use a 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 laying out communications cables separate ...

Page 65: ...5 differential signal RJ45 connector pin definitions Figure 5 24 RJ45 connector Table 5 5 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 Pr...

Page 66: ...ute the communications cables through the locking caps and then the COM1 RS485 IN and COM2 RS485 OUT connectors at the SUN2000 bottom d Remove the terminal base from the terminal block e Connect the communications cable to the terminal base Figure 5 26 Connecting cables to a terminal base 5 RS485A IN 6 RS485A OUT 7 RS485B IN 8 RS485B OUT f Land the cables in the terminal block and bond the shield ...

Page 67: ...communications cables g Bundle communications cables after connecting them Figure 5 28 Binding communications cables h Use a torque wrench with an open end of 33 mm to tighten the locking cap to a torque of 7 5 N m Method 2 Connecting to an RJ45 network port a Insert the stripped core wires of the network cable to the RJ45 connector in sequence as shown in Figure 5 29 ...

Page 68: ...en 7 White and brown 8 Brown b Crimp the RJ45 connector using a crimping tool c Remove the locking cap from the COM1 cable gland at the SUN2000 bottom and remove the plug from the locking cap d Route the cables through the locking caps and then the COM1 port at the SUN2000 bottom e Insert the RJ45 connector into the RJ45 network port in the SUN2000 maintenance compartment Figure 5 30 Connecting co...

Page 69: ... 62 Figure 5 31 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 Follow up Procedure Check that the cables are connected correctly and securely Then seal the connectors 5 6 Closing the Maintenance Compartment Door Procedure Step 1 Install the AC terminal cover ...

Page 70: ... 06 30 Copyright Huawei Technologies Co Ltd 63 Figure 5 32 Installing a cover Step 2 Retrieve the support bar Figure 5 33 Retrieving a support bar Step 3 Close the maintenance compartment door Tighten the two screws on the maintenance compartment door using a security torx wrench to a torque of 5 N m ...

Page 71: ...ightening screws on the maintenance compartment door If a screw on the maintenance compartment door is missing use the unused ground screw on the enclosure shell as a standby screw If the floating nut used for securing the maintenance compartment door is missing use the reserved floating nut shown in Figure 5 35 Figure 5 35 Removing a standby floating nut End ...

Page 72: ...le connections is beyond the warranty scope Only certified electrician can perform electrical terminations Wear proper PPE at all time when terminating cables To prevent poor cable contact due to overstress caused by ground subsidence it is recommended that the cable be bent and reserved and then connected to the appropriate port The cable colors shown in the electrical connection drawings provide...

Page 73: ...tions 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 screws from the mai...

Page 74: ...referred to connect to the PE cable for the SUN2000 The ground point in the maintenance compartment is mainly 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 or 6 3 Installing the AC Output Power Cable There are two ground points on the enclosure shell and one of them is standby It is recommended that the groun...

Page 75: ... of the OT terminal and crimp them using hydraulic pliers as shown in Figure 6 4 Figure 6 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 torque of...

Page 76: ...afely disconnect from the power grid under abnormal conditions select an appropriate overcurrent protection device according to local power distribution regulations Do not connect loads between the SUN2000 and the AC switch Context If the SUN2000 communicates over PLC MBUS a CV cable is recommended If the SUN2000 communicates over RS485 a CV or CVT cable is recommended If you connect a ground cabl...

Page 77: ... 2 connector mm Value range 24 32 Recommended value 28 Select an appropriate AC OUTPUT connector based on the cable outer diameter This document uses the AC OUTPUT 2 connector as an example to describe how to connect a cable You need to prepare M8 OT terminals by yourself If you connect a ground cable to the ground point in the maintenance compartment prepare an M6 OT terminal by yourself Requirem...

Page 78: ...ction 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 contacts the aluminum wiring terminal and the copper side contacts the AC terminal block Figure 6 6 Requirements ...

Page 79: ...AC terminal cover To highlight the involved area the figure does not show the open 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 6 8 Stripping anAC output power cable three core wires A Core wire B Insulation layer C Jacket ...

Page 80: ... tubing is used put it through the power cable and then crimp the OT terminal Step 5 Remove the locking cap from the AC OUTPUT 2 cable gland at the inverter bottom and remove the plug from the locking cap Step 6 Route the AC output power cable through the locking cap and then the AC OUTPUT 2 connector at the inverter bottom Step 7 Connect the AC output power cable to the AC terminal block and then...

Page 81: ...function 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 ensure that the last cable bearing the force is the PE cable If a waterproof connector is not properly sealed water or foreign matter could enter the maintenance compartment and damage the SUN2000 Figure 6 10 Connecting an AC ou...

Page 82: ... wires The cable colors in figures are for reference only Select appropriate cables according to the local standards 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 6 4 Installing the DC Input Power Cable Prerequ...

Page 83: ...A Then turn off the two DC switches remove the positive and negative connectors and rectify the connection of the DC input power cable Ensure that the PV module output is well insulated to ground During the installation of PV strings and SUN2000 the positive or negative terminals of PV strings may be grounded if power cables are not properly installed or routed In this case an AC or DC short circu...

Page 84: ...s to routes 1 2 3 5 6 and 7 7 Connects to routes 1 2 3 4 5 6 and 7 8 Connects to routes 1 2 3 4 5 6 7 and 8 DC input power cable specifications Table 6 3 lists the recommended DC input power cable specifications Table 6 3 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 mod...

Page 85: ...ure 6 13 Positive connector 1 Insulation shell 2 Locking nut Figure 6 14 Negative connector 1 Insulation shell 2 Locking nut Use the positive and negative metal terminals and DC connectors supplied with the SUN2000 Using other models of positive and negative metal terminals and DC connectors may result in serious consequences The caused device damage is not covered under any warranty or service ag...

Page 86: ...ing crimping tool UTXTC0005 Amphenol recommended or H4TC0001 Amphenol Crimp the metal stamping forming contacts using crimping tool H4TC0003 Amphenol recommended H4TC0002 Amphenol 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 6 15 Crimping tool H4TC0005 1 Locator Figure 6 16 Preparing ...

Page 87: ...g 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 using a...

Page 88: ...age 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 SUN2000 until they snap into place as shown in Figure 6 19 After the positive and negative connectors snap into place pull the DC input power cables back to ensure that they are connected securely ...

Page 89: ...used 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 rectify the connection 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 90: ...a 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 6 21 shows the communication mode for a single SUN2000 Figure 6 21 Communication mode for a single SUN2000 Figure 6 22 shows the com...

Page 91: ...sy chain be less than 30 PLC MBUS Communication The PLC MBUS communication board loads communication signals onto power cables for transmission For details about how to install the PLC MBUS see the SmartLogger2000 User Manual The built in PLC MBUS module in the SUN2000 does not need to be connected with cables Selecting a Communication Mode The RS485 and PLC MBUS communication modes are mutually e...

Page 92: ...meter in the range of 14 mm to 18 mm RJ45 network port connection You are advised to use a 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 laying out communications cables separate them ...

Page 93: ...5 differential signal RJ45 connector pin definitions Figure 6 24 RJ45 connector Table 6 5 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 Pr...

Page 94: ...ute the communications cables through the locking caps and then the COM1 RS485 IN and COM2 RS485 OUT connectors at the SUN2000 bottom d Remove the terminal base from the terminal block e Connect the communications cable to the terminal base Figure 6 26 Connecting cables to a terminal base 5 RS485A IN 6 RS485A OUT 7 RS485B IN 8 RS485B OUT f Land the cables in the terminal block and bond the shield ...

Page 95: ... locking cap to a torque of 7 5 N m Method 2 Connecting to an RJ45 network port a Insert the stripped core wires of the network cable to the RJ45 connector in sequence as shown in Figure 6 28 Figure 6 28 Connecting wires to an 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 RJ45 connector using a crimping tool c Rem...

Page 96: ...r into the RJ45 network port in the SUN2000 maintenance compartment Figure 6 29 Connecting communications cables f Bundle communications cables after connecting them 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 Follow up Procedure Check that the cables are connected correctly and securely Then seal the connectors 6 6 Closing the Maintenance ...

Page 97: ... 06 30 Copyright Huawei Technologies Co Ltd 90 Figure 6 30 Installing a cover Step 2 Retrieve the support bar Figure 6 31 Retrieving a support bar Step 3 Close the maintenance compartment door Tighten the two screws on the maintenance compartment door using a security torx wrench to a torque of 5 N m ...

Page 98: ...ightening screws on the maintenance compartment door If a screw on the maintenance compartment door is missing use the unused ground screw on the enclosure shell as a standby screw If the floating nut used for securing the maintenance compartment door is missing use the reserved floating nut shown in Figure 6 33 Figure 6 33 Removing a standby floating nut End ...

Page 99: ...ly 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 12 Idle AC OUTPUT and ...

Page 100: ...ing for a period of time Ensure that the temperature rise does not exceed 40 C Step 4 Connect a mobile phone that runs the SUN2000 app to the inverter using a Bluetooth module a WLAN module or a USB data cable Mobile phone operating system Android 4 0 or later and iOS 7 0 or later When you use a Bluetooth module to set up the connection ensure that the mobile phone and inverter are at most 5 meter...

Page 101: ... Copyright Huawei Technologies Co Ltd 94 Figure 7 2 USB Data Cable Connection Andriod A Inverter B USB data cable C Mobile phone The port type of the USB data cable connected to the SUN2000 is USB 2 0 Use the USB data cable delivered with the mobile phone Figure 7 3 Login screen ...

Page 102: ...ction is used the initial name of the WLAN hotspot is Adapter WLAN module SN and the initial password is Changeme 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 103: ...onsecutive 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 defau...

Page 104: ...ud 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 SmartLogger and cannot be ...

Page 105: ...he 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 1000S User Manual Step...

Page 106: ...ston are recommended Other brands may be incompatible 8 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 8 1 Figure 8 1 Boot script file No Meaning Remarks 1 U...

Page 107: ...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 8 1 LED indicator description LED Indicator Status Meaning Green off There is no operation with a ...

Page 108: ...B 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 will be locked for 10 m...

Page 109: ... match and you insert the USB flash drive for five consecutive times the user account will be locked for 10 minutes Table 8 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 then off for 1s There is an operation with a USB flash drive Blinking green at short intervals on for 0 125s and then...

Page 110: ...file For details see the SUN2000 APP User Manual Step 4 Import the boot script file to a PC Step 5 Replace the boot script file in the upgrade package with the one generated by the SUN2000 APP Step 6 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 comman...

Page 111: ...estart 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 Update in the SUN2000 APP For details see the SUN2000 APP User Manual End 8 2 Operations with a SmartLogger For operations with a SmartLogger see the Smar...

Page 112: ...ossible to take protective measures do not open the maintenance compartment door in rainy or snowy days Table 9 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 not damaged or deformed Check that the running sound of the inver...

Page 113: ...heck terminal The spot check terminal signal measures the protection time of the AC relay Figure 9 1 shows the cable connection to the spot check terminal Table 9 3 describes the ports on the spot check terminal Spot check terminal signal detection 12 pin spot check terminal The spot check terminal signal measures the protection time of the AC relay impedance between the PV input string and the gr...

Page 114: ...bles to a 12 pin spot check terminal The figure shows only one route of the cable connections Table 9 4 Port description 12 pin spot check terminal No Port Description Function 1 A AC spot check port Measure the protection time of the AC relay 2 B AC spot check port 3 PV1 2 Spot check port for PV input string 1 and 2 MPPT 1 Measure the impedance between the PV input string and the ground 4 PV3 4 S...

Page 115: ...rs the shutdown mode and disconnects from the power grid to stop generating electricity after a fault occurs Minor Some components are faulty but the SUN2000 can still generate electricity Warning The inverter output power decreases due to external factors Table 9 5 Common alarms and troubleshooting measures Ala rm ID Alarm Name Alarm Severit y Possible Cause Suggestion 103 High DC Input Voltage M...

Page 116: ...000 After the PV array configuration is corrected the inverter alarm disappears Cause ID 3 Reduce the number of PV modules connected in series to PV strings 5 and 6 until the open circuit voltage is less than or equal to the maximum operating voltage of the SUN2000 After the PV array configuration is corrected the inverter alarm disappears Cause ID 4 Reduce the number of PV modules connected in se...

Page 117: ...iggers the protection for the internal control circuit of the SUN2000 Cause ID 11 The grid voltage changes sharply and the SUN2000 input power fails to discharge in a short time which increases the internal voltage and triggers overvoltage protection Cause ID 12 15 An unrecoverable fault occurs on a circuit inside the SUN2000 Cause ID 3 10 11 1 The inverter detects its external working conditions ...

Page 118: ... is beyond the acceptable range The possible causes are as follows Cause ID 4 The grid voltage is below the specified lower threshold Cause ID 16 The grid voltage exceeds the specified upper threshold Cause ID 19 The grid voltage has exceeded the specified upper threshold for 10 minutes Cause ID 26 The grid voltage exceeds the specified upper threshold Cause ID 4 1 If the alarm occurs accidentally...

Page 119: ... A cause ID 31 B cause ID 32 C cause ID 33 to the PE cable and locate the position with lower impedance and resolve the issue 305 Abnorma l Grid Frequenc y Major Cause ID 2 The actual grid frequency is higher than the standard requirement for the local power grid Cause ID 4 The actual grid frequency is lower than the standard requirement for the local power grid Cause ID 5 The actual change rate o...

Page 120: ...xceeds the upper threshold The internal fan works abnormally 1 Check the ventilation and ambient temperature of the SUN2000 installation position 2 If the ventilation is poor or the ambient temperature exceeds the upper threshold improve the ventilation and heat dissipation 3 If the ventilation and ambient temperature both meet requirements contact Huawei technical support 322 Abnorma l SPI Commun...

Page 121: ...tware 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 ID 1 The upgrade does not end normally Perform the upgrade again 614 40 Flash Fault Minor Cause ID 1 The flash memory is insuff...

Page 122: ... 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 10 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 original packing materia...

Page 123: ...98 80 Input Item SUN2000 33KTL JP SUN2000 40KTL JP Maximum input voltage 1100 V Maximum short circuit current per MPPT 30 A Maximum input current per MPPT 22 A Maximum inverter backfeed current to the PV array 0 A Minimum operating starup voltage 200 V 250 V Maximum operating voltage 1000 V MPPT voltage range 200 1000 V Full power MPPT voltage range 400 850 V 480 850 V Rated input voltage 650 V Nu...

Page 124: ...ote a The maximum apparent power depends on Maximum apparent power in the SUN2000 app SmartLogger or NMS Note b If the software version of the SUN2000 33KTL JP is SUN2000 V200R002C00SPC106 or later Maximum apparent power is set to 33300 VA by default If the software version is earlier than SUN2000 V200R002C00SPC106 Maximum apparent power is set to 38000 VA by default Note c If the software version...

Page 125: ...d Display and Communication Item SUN2000 33KTL JP SUN2000 40KTL JP Display LED indicator Bluetooth module app USB data cable app and WLAN module app RS485 Supported PLC MBUS Supported Common Parameters Item SUN2000 33KTL JP SUN2000 40KTL JP Dimensions W x H x D 930 mm x 550 mm x 283 mm Including the mounting plate Weight Excluding the mounting plate about 59 kg Including the mounting plate about 6...

Page 126: ...SUN2000 33KTL 40KTL JP User Manual 11 Technical Specifications Issue 07 2019 06 30 Copyright Huawei Technologies Co Ltd 119 Item SUN2000 33KTL JP SUN2000 40KTL JP Topology Transformerless ...

Page 127: ...0 50 Hz 277 V 480 V 33 3 kW 2 Japan standard 60Hz Japan power grid MV480 60 Hz 277 V 480 V 33 3 kW 3 Japan standard MV420 50Hz Japan power grid MV420 50 Hz 242 V 420 V 33 3 kW 4 Japan standard MV420 60Hz Japan power grid MV420 60 Hz 242 V 420 V 33 3 kW 5 Japan standard MV440 50Hz Japan power grid MV440 50 Hz 254 V 440 V 33 3 kW 6 Japan standard MV440 60Hz Japan power grid MV440 60 Hz 254 V 440 V 3...

Page 128: ...Ltd 121 No Power Grid Code Description Power Grid Voltage Maximum Output Power MV480 50 Hz 2 Japan standard 60Hz Japan power grid MV480 60 Hz 277 V 480 V 40 kW 3 Japan standard MV440 50Hz Japan power grid MV440 50 Hz 254 V 440 V 40 kW 4 Japan standard MV440 60Hz Japan power grid MV440 60 Hz 254 V 440 V 40 kW ...

Page 129: ...B Acronyms and Abbreviations C CCO central controller L LED light emitting diode M MBUS monitoring bus MPP maximum power point MPPT maximum power point tracking O OVGR over voltage gear relay P PLC power line communication PV photovoltaic R RCMU Residual current monitoring unit W WEEE waste electrical and electronic equipment ...

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