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ACBox2000-21-D-A 
User Manual (Pan-Europe Edition) 

2 Product Overview 

 

Issue 01 (2016-12-15) 

Huawei Proprietary and Confidential                                     

Copyright © Huawei Technologies Co., Ltd. 

 

Product Overview 

2.1 Introduction 

Function 

The ACBox2000 is mainly used to combine inverter AC outputs. It also functions as a 
maintenance switch and turns off to isolate the AC voltage at the low-voltage side of the 
box-type transformer when the inverter is being maintained. 

Model 

Figure 2-1

 describes the model number for the ACBox2000. 

Figure 2-1

 

Model number description 

 

 

Network Application 

Figure 2-2

 shows the location of the ACBox2000 in a grid-tied PV power system. 

Содержание ACBox2000-21-D-A

Страница 1: ...Part Number 31010WDV ACBox2000 21 D A User Manual Pan Europe Edition Issue 01 Date 2016 12 15 HUAWEI TECHNOLOGIES CO LTD ...

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

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

Страница 4: ...016 12 15 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd iii Change History Changes between document issues are cumulative The latest document issue contains all updates made in previous issues Issue 01 2016 12 15 This issue is the first official release ...

Страница 5: ... 4 Determining the Installation Position 15 4 5 Wall Mounted Installation 15 4 6 Support Mounted Installation 18 4 7 Pole Mounted Installation 20 5 Electrical Connections 22 5 1 Safety Precautions 22 5 2 Cable Specifications 22 5 3 Opening the Chassis Door 23 5 4 Connecting a Ground Cable 24 5 5 Connecting AC Input Power Cable 1 26 5 6 Connecting AC Input Power Cable 2 29 5 7 Connecting an AC Outp...

Страница 6: ...hat might cause safety problems must be reported immediately to a supervisor Read this document thoroughly before operations Huawei shall not be liable for any consequence caused by violation of the storage transportation installation and operation regulations specified in this document The safety precautions provided in this document do not cover all the safety precautions Huawei will not be liab...

Страница 7: ...performed in a damp environment ensure that the device is dry If detecting water or signs of dampness in the cabinet disconnect the power supply immediately Device Safety The device must be fixed securely on the floor or to other immovable objects such as walls and mounting racks before performing operations Tighten the screws by using a tool when installing components After the installation remov...

Страница 8: ...f a power cable and a conductor may generate electric arcs or sparks which may cause fire or hurt eyes Before installing or removing a power cable turn off the upstream power switch and use a multimeter to check that the AC voltage of the input port is zero Before connecting a power cable check that the label on the power cable is correct Component To ensure that a device runs safely replace a fai...

Страница 9: ...2000 is mainly used to combine inverter AC outputs It also functions as a maintenance switch and turns off to isolate the AC voltage at the low voltage side of the box type transformer when the inverter is being maintained Model Figure 2 1 describes the model number for the ACBox2000 Figure 2 1 Model number description Network Application Figure 2 2 shows the location of the ACBox2000 in a grid ti...

Страница 10: ...maintenance isolation switch of the inverter and turns off when the inverter needs to be maintained to ensure that the inverter is isolated from the power grid If the ACBox2000 is used in a grid tied PV power system the system on the AC side should meet the safety design specifications such as IEC 60947 and IEC 60364 It is recommended that the ACBox2000 be installed near the inverter Appearance Fi...

Страница 11: ...ance 2 2 Label Conventions Identifiers Symbol Name Meaning High voltage warning The ACBox2000 operates at high voltage All operations on the ACBox2000 may only be carried out by a trained electrician Operation warning Before removing the ACBox2000 cover disconnect all AC power supplies Refer to instructions Remind operators to refer to the instructions shipped with the ACBox2000 ...

Страница 12: ...roduct name and model number 2 Important technical specifications 3 Compliance symbols 4 Company name and country of manufacture Table 2 1 describes the compliance symbols Table 2 1 Compliance symbols Symbol Name Meaning CE certification mark The ACBox2000 complies with Conformité Europé enne CE certification standards Environmentally friendly use period EFUP The ACBox2000 is environmentally frien...

Страница 13: ...ACBox2000 21 D A User Manual Pan Europe Edition 2 Product Overview Issue 01 2016 12 15 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 8 Figure 2 5 Working principle ...

Страница 14: ... outer packing of the ACBox2000 Keep the storage temperature at 40 C to 70 C and the humidity at 4 100 RH The ACBox2000 should be stored in a clean and dry place and be protected from dust and water vapor corrosion A maximum of six ACBox2000s can be stacked Periodic inspections are required during storage If any rodent bites are found replace the packing materials promptly Before using an ACBox200...

Страница 15: ...ot unpack the ACBox2000 and contact the dealer immediately Remove the outer packing only 24 hours before installing the ACBox2000 Checking the Product and Accessories After unpacking the ACBox2000 check the product and accessories If any damage is found or any component is missing contact the dealer For the number of items included in the delivery see the Packing List in the packing case 4 2 Tools...

Страница 16: ...tial Copyright Huawei Technologies Co Ltd 11 Tool Model Function Socket wrench N A Secures bolts and AC terminals Torque wrench Open end 18 mm Secures bolts Diagonal pliers N A Cut cable ties Wire stripper N A Peels cable jackets Multimeter N A Measures voltages Rubber mallet N A Hammers expansion bolts into holes ...

Страница 17: ...nd Confidential Copyright Huawei Technologies Co Ltd 12 Tool Model Function Utility knife N A Removes packages Cable cutter N A Cuts power cables Vacuum cleaner N A Cleans up dust after drilling holes Marker Diameter 10 mm Marks signs Measuring tape N A Measures distances Level N A Levels hole positions ...

Страница 18: ...d 13 Tool Model Function Protective gloves N A Protect your hands during installation Safety goggles N A Protect your eyes during hole drilling Anti dust respirator N A Protects you from dust during hole drilling Hydraulic pliers N A Crimp OT terminals Heat shrink tubing N A Wraps the cable crimping area of an OT terminal Heat gun N A Heat shrinks a tube ...

Страница 19: ...Model Function Cable tie N A Binds cables 4 3 Installation Dimensions Figure 4 1 shows the installation dimensions for the ACBox2000 Figure 4 1 Installation dimensions The following table describes the waterproof cable connector specifications Silk Screen Model Diameter Range AC INPUT1 PG48 37 42 mm AC INPUT2 PG48 37 42 mm AC OUTPUT PG48 37 42 mm GND 1NPT 18 23 mm ...

Страница 20: ...must be fireproof The ACBox2000 weighs 11 kg Ensure that installation surface is solid enough to bear the ACBox2000 The dimensions W x H x D of the ACBox2000 chassis are 400 mm x 450 mm x 140 mm Reserve sufficient space around the ACBox2000 to facilitate installation and cable connection Figure 4 2 Installation space 4 5 Wall Mounted Installation Prerequisites Before wall mounting the ACBox2000 pr...

Страница 21: ...hnologies Co Ltd 16 Figure 4 3 Marking holes Step 2 Drill holes using a hammer drill and install M12x60 expansion bolts An expansion bolt is composed of four parts as shown in Figure 4 4 Figure 4 4 Expansion bolt composition 1 Expansion sleeve 2 Flat washer 3 Spring washer 4 Bolt Figure 4 5 Drilling a hole and installing an expansion bolt ...

Страница 22: ...ing 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 the marked hole positions perpendicularly against the wall and drill holes with a depth of 52 60 mm 2 Vertically insert expansion bolts into the holes and knock the expansion bolts completely into the holes by using a rubber m...

Страница 23: ...Locate the positions for drilling holes based on the ACBox2000 installation dimensions level the hole positions using a level and mark holes using a marker Figure 4 7 Marking holes Step 2 Drill holes using a hammer drill Figure 4 8 Drilling holes Step 3 Insert the delivered bolt assemblies spring washers flat washers and M12x40 bolts into the holes and secure them using stainless steel nuts and fl...

Страница 24: ...es Co Ltd 19 Figure 4 9 Securing bolt assemblies Do not fully tighten the nuts Keep the bolt heads about 3 mm away from the support Step 4 Install the ACBox2000 on the bolts move it down to clamp the bolts on the holes and tighten the bolts to a torque of 45 N m using a torque wrench with an open end of 18 mm Figure 4 10 Securing theACBox2000 End ...

Страница 25: ...ion dimensions see 4 3 Installation Dimensions You are advised to use M12 U shaped bolts to secure the pole mounting brackets Figures provided in this document are for reference only The actual poles and pole mounting brackets prevail Procedure Step 1 Secure the pole mounting brackets to the pole and tighten the U shaped bolts to a torque of 45 N m using a torque wrench with an open end of 18 mm F...

Страница 26: ...ACBox2000 21 D A User Manual Pan Europe Edition 4 Installation Issue 01 2016 12 15 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 21 Figure 4 12 Securing an ACBox2000 End ...

Страница 27: ...n at the AC circuit breaker to avoid incidents caused by switch on of the circuit breaker All DC switches of the two inverters that connect to the ACBox2000 are OFF Huawei shall not be liable for any device damage caused by violation of the cable connection regulations specified in this document 5 2 Cable Specifications Cable Type Conductor Cross Sectional Area AC input power cable Max 3 x 70 mm2 ...

Страница 28: ... 23 5 3 Opening the Chassis Door Prerequisites Before opening the chassis door ensure that the handle of the isolation switch is in the OFF position otherwise the chassis door cannot be opened Procedure Step 1 Remove the two screws from the chassis door using a hex key and set them aside Figure 5 1 Removing screws Step 2 Open the chassis door and install a door rod ...

Страница 29: ... Ltd 24 Figure 5 2 Installing a door rod The door rod is bound to the ground bar before delivery When you open the chassis door for the first time remove the cover and obtain the door rod Step 3 Remove the cover and hang it on the hook of the chassis door Figure 5 3 Removing the cover End 5 4 Connecting a Ground Cable Context You need to prepare M8 OT terminals ...

Страница 30: ...ed core wire into the crimping area of the OT terminal and crimp it using hydraulic pliers Step 3 Remove the locking cap from the GND waterproof cable connector waterproof connector for short at the bottom of the ACBox2000 and remove the plug from the locking cap Step 4 Route the ground cable into the locking cap and then the GND waterproof connector Step 5 Remove the bolt at the ground point Step...

Страница 31: ...onnecting a ground cable End Follow up Procedure Check that the cables are connected correctly and securely and then seal the waterproof connectors with firestop putty 5 5 Connecting AC Input Power Cable 1 Context You need to prepare M8 OT terminals Procedure Step 1 Remove an appropriate length of the jacket and insulation layer from the AC input power cable using a wire stripper ...

Страница 32: ...raulic pliers One core wire should be connected to one OT terminal Step 3 Wrap the wire crimping area with heat shrink tubing or PVC insulation tape If heat shrink tubing is used put it over the cable and then crimp the OT terminal Blow the heat shrink tubing using a heat gun until the tubing closely wraps the wire crimping area of the OT terminal When using the heat gun protect devices from being...

Страница 33: ...verter AC output L2 connects to the ACBox2000 AC input L2 and the inverter AC output L3 connects to the ACBox2000 AC input L3 Avoid reverse connection Verify that the AC input power cable is connected securely Otherwise the device may fail to operate or experience any fault that will damage the terminal block For example the ACBox2000 in operation may heat up due to unreliable connection The damag...

Страница 34: ...n figures are for reference only Select an appropriate cable according to the local standards End Follow up Procedure Check that the cables are connected correctly and securely and then seal the waterproof connectors with firestop putty If cables need to be routed underground reserve a margin of 0 5 meter for the AC power cable connecting to the ACBox2000 to avoid stress 5 6 Connecting AC Input Po...

Страница 35: ...res A Core wire B Insulation layer C Jacket Figure 5 11 Peeling a cable four core wires Step 2 Insert each exposed core wire into the crimping area of an OT terminal and crimp them using hydraulic pliers One core wire should be connected to one OT terminal Step 3 Wrap the wire crimping area with heat shrink tubing or PVC insulation tape If heat shrink tubing is used put it over the cable and then ...

Страница 36: ... to a torque of 8 N m using a 13 mm socket wrench with an extension rod Ensure that the inverter AC output L1 connects to the ACBox2000 AC input L1 the inverter AC output L2 connects to the ACBox2000 AC input L2 and the inverter AC output L3 connects to the ACBox2000 AC input L3 Avoid reverse connection Verify that the AC input power cable is connected securely Otherwise the device may fail to ope...

Страница 37: ...A User Manual Pan Europe Edition 5 Electrical Connections Issue 01 2016 12 15 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 32 Figure 5 12 Connecting an AC input power cable three core wires ...

Страница 38: ...propriate cable according to the local standards End Follow up Procedure Check that the cables are connected correctly and securely and then seal the waterproof connectors with firestop putty If cables need to be routed underground reserve a margin of 0 5 meter for the AC power cable connecting to the ACBox2000 to avoid stress 5 7 Connecting an AC Output Power Cable Procedure Step 1 Remove an appr...

Страница 39: ... that the jacket is in the waterproof connector If the cable outer diameter is greater than the diameter range of the waterproof connector the jacket will be outside the waterproof connector In this case put an anti ultraviolet jacket on the cable Figure 5 14 Peeling a cable three core wires A Core wire B Insulation layer C Jacket Figure 5 15 Peeling a cable four core wires Step 2 Remove the safet...

Страница 40: ... Ltd 35 Figure 5 16 Removing safety warning panels and insulation partitions Step 3 Remove the locking cap from the AC OUTPUT waterproof connector at the bottom of the ACBox2000 and remove the plug from the locking cap Step 4 Route the AC output power cable into the locking cap and then the AC OUTPUT waterproof connector Step 5 Connect the AC output power cable ...

Страница 41: ... User Manual Pan Europe Edition 5 Electrical Connections Issue 01 2016 12 15 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 36 Figure 5 17 Connecting an AC output power cable three core wires ...

Страница 42: ... 37 Figure 5 18 Connecting an AC output power cable four core wires When you use a four core AC output power cable connect the PE cable first and then the phase cables L1 L2 and L3 The wire colors shown in figures are for reference only Select an appropriate cable according to the local standards Step 6 Reinstall the safety warning panels and insulation partitions ...

Страница 43: ...g safety warning panels and insulation partitions End Follow up Procedure Check that the cables are connected correctly and securely and then seal the waterproof connectors with firestop putty If cables need to be routed underground reserve a margin of 0 5 meter for the AC power cable connecting to the ACBox2000 to avoid stress 5 8 Closing the Chassis Door Procedure Step 1 Install the cover ...

Страница 44: ...16 12 15 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 39 Figure 5 20 Installing the cover Step 2 Adjust the door rod Figure 5 21 Adjusting the door rod Step 3 Close the chassis door and tighten the two screws on the door to a torque of 4 N m using a hex key ...

Страница 45: ...ACBox2000 21 D A User Manual Pan Europe Edition 5 Electrical Connections Issue 01 2016 12 15 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 40 Figure 5 22 Tightening screws End ...

Страница 46: ...r cables are connected correctly securely and reliably Phase cables L1 L2 and L3 are connected correctly Yes No 5 The insulation partitions and safety warning panels are installed reliably in position Yes No 6 No foreign matter is left inside the ACBox2000 Yes No 7 No insulation layer is damaged and no metal is exposed Yes No 8 All cables are bound neatly and cable ties are secured evenly and prop...

Страница 47: ...former for the ACBox2000 Step 2 Check that the output voltage of the ACBox2000 is consistent with the AC voltage at the low voltage side of the box type transformer using a multimeter Step 3 Turn the switch handle on the chassis door to ON End 6 3 Powering Off the ACBox2000 Procedure Step 1 Send a shutdown command to inverters from the SUN2000 app SmartLogger or NetEco Step 2 Turn off all DC switc...

Страница 48: ...onnect to the ACBox2000 are OFF Table 7 1 Maintenance list Item Check Method Maintenance Interval System running status Check that the ACBox2000 is not damaged or deformed Check that the ACBox2000 does not generate abnormal sound when it is in operation Semiannual Cable connectio ns Check that cables are securely connected Check that cables are intact in particular the parts touching the metallic ...

Страница 49: ... 800 V AC Rated input current 60 8 A x 2 Number of phases 3 Number of inputs 2 Output Item ACBox2000 21 D A Rated output voltage 800 V AC Rated output current 121 6 A Number of phases 3 Physical specifications Item ACBox2000 21 D A Chassis dimensions W x H x D 400 mm x 450 mm x 140 mm Operating temperature 40 C to 60 C Highest operating altitude 4000 m Relative humidity 4 100 RH Transportation and...

Страница 50: ...chnical Specifications Issue 01 2016 12 15 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 45 Item ACBox2000 21 D A Protection level IP65 Cable routing Routed in and out from the bottom Maintenance mode Maintained from the front ...

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