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Huawei ACBox Series User Manual
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Huawei ACBox Series User Manual

Huawei ACBox Series User Manual

12-in 1-out ac combiner box
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ACBox 12-In 1-Out AC Combiner Box
User Manual
03
Date
2018-05-15
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei ACBox Series

  • Page 1 ACBox 12-In 1-Out AC Combiner Box User Manual Issue Date 2018-05-15 HUAWEI TECHNOLOGIES CO., LTD.
  • Page 2 Notice The purchased products, services and features are stipulated by the contract made between 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"...

  • Page 3: About This Document

    NOTICE is used to address practices not related to personal injury. Calls attention to important information, best practices and tips. NOTE is used to address information not related to personal injury, equipment damage, and environment deterioration. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 4 Issue 03 (2018-05-15) Updated 5.4 Opening the Enclosure Door. Issue 02 (2018-02-12) Updated 5.1 Cable Specifications. Issue 01 (2017-10-16) This issue is used for first office application (FOA). Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 5: Table Of Contents

    6 Operation ............................33 6.1 Checking Before Power-On ............................33 6.2 Installing the Cover ..............................33 6.3 Powering On the System............................. 34 6.4 Powering Off the System ............................34 Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 6 7.2.2 Replacing the AC Output Circuit Breaker ....................... 38 7.2.3 Replacing the Power SPD ............................39 8 Technical Specifications ......................41 A Acronyms and Abbreviations ....................42 Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 7: Safety Precautions

    The safety precautions provided in this document do not cover all the safety precautions. Huawei shall not be liable for any consequence caused by the violation of the safety operation regulations and design, production, and usage standards.
  • Page 8 When operating AC equipment, follow local laws and regulations.  Use dedicated tools when performing high voltage and AC operations.  Put on insulation gloves before powering on or off cabinets. Power Cables Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 9: Issue

    Do not connect a single-phase AC power cable reversely. Otherwise, equipment may be damaged. Component To ensure the safe operation of equipment, replace a faulty component with a component of the same type and specifications. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 10: Overview

    Overview 2.1 Introduction Function The ACBox combines the AC outputs from single-phase string inverters. The ACBox works with Huawei SUN2000L and combines the outputs from the following types of SUN2000Ls:  Up to 12 SUN2000L-4.125KTL-JP units  Up to 10 SUN2000L-4.95KTL-JP units The SUN2000L-4.125KTL-JP and SUN2000L-4.95KTL-JP are both abbreviated as SUN2000L in the...

  • Page 11: Appearance

    ACBox 12-In 1-Out AC Combiner Box User Manual 2 Overview Figure 2-2 System application (A) PV string (B) SUN2000L (C) ACBox (D) Low-voltage power grid 2.2 Appearance Dimensions Figure 2-3 Dimensions Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 12 ACBox 12-In 1-Out AC Combiner Box User Manual 2 Overview Front View Figure 2-4 Front view (1) Enclosure door (2) Enclosure door lock Rear view Figure 2-5 Rear view (1) Mounting plate Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Label Description

    Table 2-2 Enclosure label description Label Name Meaning High voltage exists after the ACBox Electric shock is powered on. Only certified electricians may install and operate the ACBox. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 14 The nameplate figure is for reference only. Table 2-3 Compliance label description Label Name Meaning Environmentally friendly use This product is environmentally period (EFUP) friendly for at least 50 years. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 15: Working Principles

    (WEEE) 2.4 Working Principles The ACBox works with Huawei SUN2000L. It combines the outputs from up to 12 SUN2000L-4.125KTL-JP units or 10 SUN2000L-4.95KTL-JP units and provides surge protection and overcurrent protection. Figure 2-8 shows the ACBox working principles by using the access from 12 SUN2000L-4.125KTL-JP units as an example.

  • Page 16: Storage

    Regular inspection is required during the storage. Replace the packing materials when necessary.  After long-term storage, an inspection and test conducted by qualified persons are necessary before the ACBox is put into use. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 17: Installation

    For details about the number of contents, see the Packing List in the packing case. 4.2 Tools and Instruments Type Tools and Instruments Installati on tools Hammer drill (drill bit: Ф14 Socket wrench Torque wrench mm and Ф16 mm) Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 18 Rubber mallet Utility knife Cable cutter Hydraulic pliers Crimping tool Heat shrink tubing Heat gun Multimeter Vacuum cleaner Measuring tape Bubble or digital level Marker Cable tie Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 19: Determining The Installation Position

    The ACBox enclosure dimensions (W x H x D) are 780 mm x 815 mm x 225 mm. The ACBox can be mounted on a wall, pole, or support. Reserve sufficient space around the ACBox to facilitate installation and cable connection. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 20: Installing The Mounting Bracket

    The ACBox mounting bracket has four groups of tapped holes, each group containing four tapped holes. Mark any hole in each group based on site requirements and mark four holes in total. Two round holes are preferred. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 21: Wall-Mounted Installation

    M12x60 expansion bolts are supplied with the ACBox. Figure 4-4 shows the components of an M12x60 expansion bolt. Figure 4-4 Expansion bolt composition (1) Expansion sleeve (2) Flat washer (3) Spring washer (4) Bolt Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 22 Step 3 Align the mounting bracket holes with the drilled holes, insert expansion bolts into the holes through the mounting bracket, and then tighten the expansion bolts. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 23: Support-Mounted Installation

    Figure 4-7 Determining hole positions Step 2 Drill holes using a hammer drill. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 24 M12x40 bolts) into the holes through the mounting bracket, and secure them using the supplied stainless steel nuts and flat washers. M12x40 bolt assemblies are supplied with the ACBox. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 25: Pole-Mounted Installation

    Figures provided in this chapter 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. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 26: Installing The Acbox

    Step 1 Two operation personnel hold the handles on both sides of the ACBox, lift the ACBox from the packing case, and transport it to the installation position with the help of some other people. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 27 Figure 4-13 Positions for the security torx wrench and key Step 3 Install the ACBox on the mounting bracket and align the enclosure with the mounting bracket. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 28 User Manual 4 Installation Figure 4-14 Mounting a ACBox Step 4 Tighten the security torx screws using a security torx wrench. Figure 4-15 Tightening security torx screws ----End Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 29: Electrical Connections

    ACBox are OFF. Otherwise, the high voltage of the ACBox may result in electric shocks.  Huawei shall not be liable for any device damage caused by violation of the cable connection regulations specified in this document. ...

  • Page 30: Crimping The Ot Terminal

    3.5–22 mm Prepared outdoor copper cable by the with an OT-M6 terminal customer 5.2 Crimping the OT Terminal Figure 5-1 shows how to crimp an OT terminal. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 31: Knocking Off Barrier Chips From Cable Holes

    1 and 2 for the AC input power cable and the cable hole for the AC output power cable at the bottom of the ACBox using a rubber mallet. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 32: Opening The Enclosure Door

    The FEK-65B cable glands of Mirai Industry Co., Ltd. are recommended for the cable holes for the AC input and output power cables. Figure 5-2 Knocking off the barrier chip from a cable hole 5.4 Opening the Enclosure Door Prerequisites Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 33 Step 3 Hold the cover handles with both hands and remove the cover. Remove the four screws from the cover. Start from the one at the lower left corner, and then the rest in counterclockwise sequence. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 34: Installing The Pe Cable

    Connect the PE cable to the nearest ground bar. Recommended: Route the PE cable through the cable hole for the AC output power cable before connecting it. Step 3 Secure the PE cable. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 35: Installing The Ac Input Power Cable

    2. Procedure Step 1 Remove an appropriate length of the jacket and insulation layer from the AC input power cable using a wire stripper. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 36 QF01 to QF05 and QF07 to QF12 are connected in the same way. To avoid device damage, do not mix up the U, O, and W terminals when connecting cables. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 37: Installing The Ac Output Power Cable

    When connecting a stripped cable, ensure that the exposed insulation layer is in the enclosure, and the jacket is outside the enclosure. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 38 Figure 5-9 Connecting AC output power cables When using a torque wrench to tighten a bolt, use an M12 wrench to tighten the nut at the same time. ----End Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 39: Operation

    6.2 Installing the Cover Prerequisites  You have completed the power-on check.  You have put on insulation gloves. Procedure Step 1 Tighten the four screws on the enclosure cover. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 40: Powering On The System

    Step 1 Switch circuit breakers QF01 to QF12 on the AC input side to OFF one by one. Step 2 Switch circuit breaker QF13 on the AC output side to OFF. ----End Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 41: Closing The Enclosure Door

    6.5 Closing the Enclosure Door Procedure Step 1 Retrieve the support bar. Figure 6-2 Retrieve a support bar Step 2 Rotate the enclosure door lock to lock the door. ----End Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 42: Maintenance

    Check that cables are intact, in particular, the parts touching the metallic surface are not scratched. Grounding Check that all ground cables are securely Once every six to twelve reliability connected. months Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 43: Parts Replacement

    Figure 7-1 Removing a faulty circuit breaker Step 3 Install the new circuit breaker. Step 4 Connect the copper bar and cables to the new circuit breaker based on the cable labels. ----End Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 44: Replacing The Ac Output Circuit Breaker

    Step 3 Remove the circuit breaker and its fastener from the enclosure. Step 4 Remove the screws from the circuit breaker fastener, and then remove the faulty AC output circuit breaker. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 45: Replacing The Power Spd

    If an SPD is damaged or its indication window is displayed in red, replace the SPD because it has failed. Context A power SPD consists of a surge protection module and a base. Procedure Step 1 Remove the faulty surge protection module from the power SPD. Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 46 ACBox 12-In 1-Out AC Combiner Box User Manual 7 Maintenance Figure 7-4 Removing a faulty surge protection module Step 2 Install the new surge protection module. ----End Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 47: Technical Specifications

    Maintenance mode Maintained from the front Installation mode Installed on a wall, support, or pole a: The output circuit breaker is configured with a residual current device (RCD). Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 48: A Acronyms And Abbreviations

    ACBox 12-In 1-Out AC Combiner Box User Manual A Acronyms and Abbreviations Acronyms and Abbreviations alternating current direct current relative humidity surge protective device Issue 03 (2018-05-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

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