Sungrow PVS-8M-HV User Manual
Sungrow PVS-8M-HV User Manual

Sungrow PVS-8M-HV User Manual

Pv array combiner box

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PVS-8M-HV/ PVS-16M-HV
PV Array Combiner Box
User Manual
PVS-8M_16M-HV-V12-UEN-Ver12-201806

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Summary of Contents for Sungrow PVS-8M-HV

  • Page 1 PVS-8M-HV/ PVS-16M-HV PV Array Combiner Box User Manual PVS-8M_16M-HV-V12-UEN-Ver12-201806...
  • Page 3: Table Of Contents

    Contents About This Manual ..............1 Foreword ................... 1 Contents ..................1 Target Readers ................1 How to Use this Manual ............1 Others ..................2 Symbol Explanation ..............2 Picture Explanation ..............3 Safety Instructions ..............4 Product Description ............7 System introduction ..............7 Demonstration of the type ............
  • Page 4 4.4.9 Bottom wirings................. 25 4.4.10 Cable Layout ................. 26 4.4.11 Communication settings ............26 Start/Stop of operation ............. 30 Commissioning ..............31 Routine Maintenance ............32 Replace the Fuse ..............32 Replace the sealing strip ............33 Troubleshooting ..............34 Before troubleshooting .............
  • Page 5: About This Manual

    1 About This Manual 1.1 Foreword Thank you for purchasing the PV Array Combiner Box from Sungrow Power Supply Co., Ltd. We hope that the device will meet with your satisfaction when you use it with your PV system. Your commands and feedbacks on the performance and function of the device are very important for our further improvement.
  • Page 6: Others

    This document will take the PVS-16M-HVfor example. For the installation and use of other types of combiner boxes, please also refer to this manual.  PVS-6M-HV  PVS-8M-HV  PVS-12M-HV  PVS-16M-HV The electrical structure, installation and use method of these are the same with that of PVS-16M-HV.
  • Page 7: Picture Explanation

    User Manual 1 About This Manual CAUTION indicates a hazard with a low level of risk which, if not avoided, will result in minor or moderate injury. NOTICE indicates a situation which, if not avoided, will result in equipment malfunction or property damage. NOTE indicates additional information, emphasized contents or tips to help you solve problems or save time.
  • Page 8: Safety Instructions

    2 Safety Instructions This chapter describes some important safety instructions about SunBox PVS. Please read the manual carefully before installation. If any device damage occurs when ignoring the safety instructions, our company has the right to exclude all warranty claims. Lethal Voltage! ...
  • Page 9 User Manual 2 Safety Instructions High voltage is present inside the device!  Follow all the warning signs in the device.  Respect all the safety instructions in this manual and other documents. The ground cable must be grounded properly, otherwise, ...
  • Page 10 2 Safety Instructions User Manual Make sure the terminals are firmly connected during wiring. If the cable copper core and the terminals are not connected firmly, terminals will be over-heating and burnt. Anti-flaming cables with multi-strand are advisable and the cable cross-sectional area should be no less than the recommended value.
  • Page 11: Product Description

    3 Product Description 3.1 System introduction For a large-scale grid-connected PV system, it is widespread to install a DC combining device between PV modules and inverters to minimize cable connections, facilitate maintenance and enhance reliability. Our SunBox PVS combiner box series (PVS) are designed for meeting these requirements, which provides a turnkey solution for PV plant systems.
  • Page 12: Demonstration Of The Type

    3 Product Description User Manual For PVS-8M-HV, up to 8 PV strings can be connected to the input side. And for PVS-16M-HV, up to 16 PV strings can be connected to the input side. PVS has the following features: ...
  • Page 13: Identifying The Pvs

    User Manual 3 Product Description 3.3 Identifying the PVS The appearance of the PVS is shown in the figure below (take PVS-16M-HV for example). Fig. 3-2 Appearance of PVS-16M-HV Name Description Lockhole Fixing hanger Allow fixing of the PVS Handle Used to move the PVS 3.4 Fuse rating In power system, fuses are used for over-current protection.
  • Page 14: Installation Guide

    4 Installation Guide 4.1 Checking before installation The delivery content of the PVS is shown below:  PV array combiner box  User Manual  Warranty card  Certificate card  Test report Check the completeness of the delivery according to the package list inside the crate.
  • Page 15: Mechanical Installation

    User Manual 4 Installation Guide 4.3 Mechanical installation 4.3.1 Dimensions The dimensions of the PVS are shown in the figure below (take PVS-16M-HV for example). Pictures in this manual are indicative only! The real product you receive may differ. 4.3.2 Installation site requirements With IP65 protection degree, the PVS can be installed outdoors.
  • Page 16 4 Installation Guide User Manual  For large-scale PV plant, install the PVS on the back of the PV cell installation bracket Humidity during installation may damage the PVS. Do not install the PVS during rainy or humidity days. Screw the water-proof terminals tightly to prevent moisture penetration no matter the installation is vertically or horizontally.
  • Page 17: Installation Method

    User Manual 4 Installation Guide 4.3.3 Installation Method Connect the PVS to the installation surface by the hangers on the four corners of the PVS. The dimensions of the hangers are shown in the figure below. PVS has two installation methods: vertical installation and horizontal installation.
  • Page 18 4 Installation Guide User Manual Installation steps: Measure the distances of the hangers of the PVS. Step 3 Mark positions according to the distances measured on the installation Step 4 surface and then drill holes. Fix the PVS to the surface according to the sequence of bolt, flat washer, Step 5 spring washer, PVS hangers, support, and nut.
  • Page 19 User Manual 4 Installation Guide Column-mounted steps: Mark position and drill holes on the frame according to the distance of Step 6 the hangers on the four corners of the PVS. Fix the PVS to the surface according to the sequence of bolt, spring Step 7 washer, flat washer, PVS hangers, support, and nut.
  • Page 20: Electrical Installation

    4 Installation Guide User Manual 4.4 Electrical installation 4.4.1 Internal structure The internal structure of the PVS is shown below M L K J Description DC- fuse cartridge DC+ fuse cartridge RS485 ports Grounding terminal Output of DC positive pole Output of DC negative pole DC switch Switching power supply board and over current protection board...
  • Page 21: Water-Proof Terminals And Wirings

    User Manual 4 Installation Guide At most 8 PV strings can be connected to the PVS-8M-HV and at most 16 PV strings can be connected to the PVS-16M-HV. If the actual PV string numbers are less than the nominal numbers, the terminals can be left unconnected. Seal the unconnected terminals with waterproof plug.
  • Page 22: Wiring Preparations

    4 Installation Guide User Manual 4.4.3 Wiring preparations Open the door Step 1 (3) (1) (2) (4) Step Operation (1) Insert key (2) Turn the key to vertical direction (3) Remove key (4) Pull down the metal buckle (“A” in above figure) Remove the protection cover.
  • Page 23: Input Wiring And Connections

    User Manual 4 Installation Guide 4.4.4 Input wiring and connections High voltage is present inside the device!  Follow all the warning signs in the device.  Do not use ordinary ammeter to measure the DC voltage before cable connection. An ammeter with withstanding voltage of 1500V is recommended.
  • Page 24 4 Installation Guide User Manual Description Cable (e.g. “PV1+”, “PV2+”… “PV1-”, “PV2-” etc.) Conduit Select the terminal according to the cable specification. For example, LT160012 where 16 means that the cable specification is 16mm ; 12 means that the length of the crimping tube is 12mm. 12mm Cable 16mm...
  • Page 25: Output Wiring And Connections

    User Manual 4 Installation Guide Unscrew the terminal Insert the by a screwdriver cable Tighten the terminal Follow the same procedure to connect rest cables. Comb all the input Step 5 cables together with cable ties and firm them onto the cable support bar. Appropriate cable bending space shall be ensured.
  • Page 26: Ground Connection

    4 Installation Guide User Manual Instll the DT terminal according to the following steps. Step 4 − Use hexagon spanner to remove the nut; − Insert DT terminal into the output terminal; − Use hexagon spanner to tighten the nut. Screw the bolt of the water-proof terminal tight clockwise.
  • Page 27: Communication Connections

    User Manual 4 Installation Guide Relevant standards must be followed.  Ground cables must be connected firmly with both device and ground terminals.  Ground resistance shall be measured after finishing ground connections, and the measured values should be less than 1Ω. Loosen the “...
  • Page 28 4 Installation Guide User Manual Insert wires into bottom of wiring holes A1, B1, and FG. Among them: Step 5 − Connect communication cable RS485-A to A1; − Connect communication cable RS485-B to B1; − Connect communication cable shielding layer to terminal FG. Loosen the screwdriver to let the leaf spring connect to the cable.
  • Page 29: Communication Solution

    User Manual 4 Installation Guide 4.4.8 Communication solution The communication method of PVS is shown below: PVS 1 PVS 2 PVS n A1 B1 A2 B2 A1 B1 A2 B2 A1 B1 A2 B2 RS485A 120Ω resistor RS485B Logger (optional) ...
  • Page 30: Cable Layout

    After installation or commissioning, ensure the door and the cover of the key is locked to avoid the water is in. If such a situation occurs, Sungrow takes no responsibility for this. 4.4.10 Cable Layout Lay the cables connected the PVS and external devices in the cable trench for easy installation and maintenance.
  • Page 31 Used to switch protocols. The first place switches protocols:  “ON” for Modbus protocol; Protocol switch  “OFF” for Sungrow protocol The second place is used to set the branch connection status. This switch adopts binary code from right to left, Dip switch i.e.
  • Page 32 4 Installation Guide User Manual Tab. 4-1 Description of the function of inquiry by push switch (taking 16 lines as an example) Item Description Press K1 to turn screen Display voltage: 700V current: 10A current: 10A Voltage and current: 10A current display Note: the LED display can be divided into the first two digits and...
  • Page 33 1111 1001 …… 1111 1111 0000 0000, it is deemed 0000 0001 Setting string input number The standard types of Sungrow PVS are:  PVS-8M-HV  PVS-12M-HV  PVS-16M-HV If the strings input are 8, 12 or 16, there is no need to set any parameter.
  • Page 34: Start/Stop Of Operation

    4 Installation Guide User Manual input”. − “0”: “No input” − “1”: ”Input” input needs to be set to “No Take PVS with 15 inputs for example, the 16 input”. The LED is shown as below. After setting, turn the protocol switch 2 to save the settings. Step 4 4.5 Start/Stop of operation PVS runs automatically when power on and stop when power off.
  • Page 35: Commissioning

    5 Commissioning Check if the PVS can operate normally after installation: Connect the connection terminal of each PV string. Step 1 Measure the input voltage of positive pole and negative pole of each Step 2 input to make sure they are basically same and the positive pole and negative pole are connected correctly.
  • Page 36: Routine Maintenance

    6 Routine Maintenance Due to ambient temperature, relative humidity, windblown dust and vibrations, components of PVS will get aging. It is necessary to do the routine maintenance work periodically on the device. Only qualified electricians can do the maintenance work described in this chapter.
  • Page 37: Replace The Sealing Strip

    The sealing strip inside the PVS is located in the PVS internal door cover, as shown by A in the figure below. It is advisable to check this sealing strip once every month. If it is damaged by non-human factors, please contact Sungrow immediately to replace the PVS door cover.
  • Page 38: Troubleshooting

    7 Troubleshooting This chapter gives the basic troubleshooting methods for customer as a reference. 7.1 Before troubleshooting Please notice the following items before troubleshooting:  Disconnect the DC switch before operation.  Please do not touch the bare metal parts of the copper bar under the protection plate.
  • Page 39 User Manual 7 Troubleshooting Possible Fault Method of correction cause When data logger device or monitor software working, the D1 RS485 Check communication line. “4.4.11 LED is off; inquire communication Refer Communication address and the fault settings”. address this PVS is the same, D8 is off Check voltage on monitoring unit +5V No 5V output on...
  • Page 40 7 Troubleshooting User Manual The following figure illustrates terminals and layouts of metering board. Push switch indicator If you have any doubt during use of this product, please feel free to contact us. E-mail: service@sungrowpower.com For contact, please provide the following information so that we can provide you with help and service more quickly: ...
  • Page 41: Appendix

    8 Appendix 8.1 Technical data Types PVS-8M-HV PVS-12M-HV PVS-16M-HV Max. string number Nominal output current 120A 160A Nominal system working 1500Vdc voltage Working voltage range of the 500Vdc~1500Vdc monitoring module Max. detection current of the branch Communication connection RS485 method Power consumption of the 2.5W...
  • Page 42: Quality Assurance

    Evidence Sungrow Power Supply Co., Ltd. needs the users to provide the receipt invoice and the date you purchase. Meanwhile the trademark should be clearly legible. Otherwise Sungrow Power Supply Co., Ltd. has the right to exclude liability claims.
  • Page 43: About Us

    In case of unforeseen calamity or accidents Where fault is caused by any of the above and users have the relevant demand, Sungrow will do the paid maintenance work to the device after judgment. Specifications subject to change without notice.

This manual is also suitable for:

Pvs-16m-hv

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