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Sungrow PVS-8M User Manual

Sungrow PVS-8M User Manual

Pv array combiner box
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User Manual
PVS-8M/12M/16M
PV Array Combiner Box
PVS-8_12_16M-V5-UEN-Ver10-201909

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Summary of Contents for Sungrow PVS-8M

  • Page 1 User Manual PVS-8M/12M/16M PV Array Combiner Box PVS-8_12_16M-V5-UEN-Ver10-201909...

  • Page 3: Table Of Contents

    Contents About This Manual ..............1 Validity ..................1 Contents ..................1 Target Readers ................1 How to Use this Manual ............2 Others ..................2 Symbol Explanation ..............2 Figures Explanation ..............3 Safety Instructions ..............4 Product Description ............7 System Introduction ..............7 Main Features ................
  • Page 4 Cable Layout ................28 Communication Settings ............29 5.6.1 Setting Communication Address ..........30 5.6.2 Setting String Input Number ............ 31 Start/Stop ................. 31 Commissioning ..............33 Routine Maintenance ............34 Overview .................. 34 Replace the Fuse ..............34 Replace the Sealing Strip ............35 Troubleshooting ..............

  • Page 5: About This Manual

    1 About This Manual 1.1 Validity This manual is valid for the following PV array combiner boxes:  PVS-8M  PVS-12M  PVS-16M 1.2 Contents  Safety instructions Safety instructions for the installation, operation, commissioning and maintenance of PVS. ...

  • Page 6: How To Use This Manual

    This document will take the PVS-16M for example. For the installation and use of other types of combiner boxes, please also refer to this manual.  PVS-8M  PVS-12M The electrical structure, installation and use method of PVS-16M are the same.

  • Page 7: Figures 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 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. Death resulting from burning and electric shock upon touching the live components of the PVS.
  • 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 document. 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 common to install a DC combining device between PV modules and inverters to minimize cable connections, facilitate maintenance and enhance reliability. PVS is designed for meeting these requirements, which provides a Turnkey solution for PV plant systems.

  • Page 12: Main Features

     B: Max. number of PV strings  C: Equipped with monitoring function Model Max.Number of PV strings Monitoring function PVS-8M PVS-12M PVS-16M 3.4 Dimensions The dimensions of the PVS are shown in the figure below (take PVS-16M for example).

  • Page 13: Identifying The Pvs

    User Manual 3 Product Description 3.5 Identifying the PVS The appearance of the PVS is shown in the figure below (take PVS-16M for example). Item Name Item Name Lock Mounting ear...

  • Page 14: Mechanical Installation

    Used to connect PV modules 12 pairs 16 pairs Note 1: * is optional accessory. Note 2: a) is intended for PVS-8M; b) is intended for PVS-12M; c) is intended for PVS-16M. 4.2 Installation Site Requirements With IP65 protection degree, the PVS can be installed outdoors. Please meet the following requirements: ...
  • Page 15 User Manual 4 Mechanical Installation  The ambient temperature ranges from -30℃ to +60℃, and the relative humidity from 0 to 95%. The PVS should be installed in a dry, well-ventilated, and dust-proof place.  Never install the PVS in a place directly exposed to sunlight. Otherwise, excessively high temperature will cause lower power yields or even shorten the service life of the device.

  • Page 16: Installation Tools

    4 Mechanical Installation User Manual 4.3 Installation Tools Marker Protective gloves Dust mask Measuring tape 880 . 0 Goggles Vacuum cleaner Multimeter Hammer drill Electric screwdriver Wire stripper Wire cutter Crimping tool Slotted screwdriver Socket wrench set Heat gun 4.4 Installing PVS Installing Mounting Ears Distances between the four mounting ears are shown in the figure below, in 4-Φ12...
  • Page 17 User Manual 4 Mechanical Installation Fixing PVS to Installation Surface On site, the PVS can be installed on the bracket or the back of the PV module. Mark positions on the back of the PV module according to the distance Step 1 between the mounting ears, and drill holes according to the marks.

  • Page 18: Electrical Installation

    5 Electrical Installation 5.1 Internal Structure Taking PVS-16M as an example, internal structure of PVS is shown below. Fig. 5-1 Internal structure Item Description DC+ fuse block and fuse DC output wiring terminal RS485 communication terminal PLC instrument transformer Grounding copper bar DC- fuse block and fuse Monitoring board and switching power supply board The upper layer is monitoring board and the lower layer is switching...
  • Page 19 User Manual 5 Electrical Installation Description LED screen (displaying current, baud rate, communication address, temperature, etc.) From left to right, the indicators are respectively:  TX: Transmitted communication data signal indicator  RX: Received communication data signal indicator  RUN: Monitoring unit running status indicator ...

  • Page 20: Waterproof Terminals

    5 Electrical Installation User Manual 5.2 Waterproof Terminals Gland Terminals MC4 Connectors Tab. 5-1 Introduction of the connectors /terminals Item Mark Description Specification DC+ input waterproof INPUT DC+ M24x1.5 terminal （MC4） DC- input waterproof INPUT DC- terminal Communication input MONITOR INPUT waterproof terminal PG-11 Communication output...

  • Page 21: Wiring Preparations

    User Manual 5 Electrical Installation 5.3 Wiring Preparations Open the door. Step 1 Turn the circuit breaker to the "OFF" position. Step 2 Fig. 5-2 Circuit breaker state Remove the protective cap. Step 3 Disconnect the fuse which has been installed in the fuse holder before Step 4 delivery.

  • Page 22: Connections

    5 Electrical Installation User Manual 5.4 Connections 5.4.1 Input Connections Lethal electric shock or serious burn from high voltage present on PV string! Observe the following safety instructions related to the wiring operations:  Before starting wiring, disconnect the cable connection on the end of the PV string.
  • Page 23 User Manual 5 Electrical Installation MC4 Terminal Strip off 10mm insulation layer from the positive and negative DC cable. Step 1 Assemble the cable ends with crimp contacts by crimping pliers. Step 2 Connect the cables according to the method illustrated below. Pull the Step 3 cable gently to make sure it is secured.
  • Page 24 5 Electrical Installation User Manual space should be ensured. Description Cable (e.g. “PV1+”, “PV2+”… “PV1-”, “PV2-” etc.) Conduit Stripped off the cable insulation layer, using wire stripper, to reveal the Step 3 copper core, length as specified in above table. Do not break the copper wire during stripping.

  • Page 25: Output Connections

    User Manual 5 Electrical Installation Follow the same procedure to connect the rest of cables. 5.4.2 Output Connections Open the protective cap of the wiring terminal, and release the waterproof terminal at the DC output port of the PVS. Lead the "DC+" cable through the "OUTPUT DC （+） " waterproof terminal, Step 1 with adequate cable length reserved.
  • Page 26 5 Electrical Installation User Manual The PLC function of the PVS is optional. If the purchased device is equipped with the function, lead the DC+ output cable successively through the waterproof terminal and PLC instrument transformer If the purchased device is not equipped with the function, skip leading the DC+ output cable through the PLC instrument transformer In the following, wiring procedure is described by using the PVS equipped with the PLC function as an example, unless otherwise...
  • Page 27 User Manual 5 Electrical Installation Fig. 5-3 Copper wiring connection Copper Copper Spring Flat connection Bolt bus bar washer washer terminal Fig. 5-4 Al wiring connection Copper Cu-Al transition Spring Flat Bolt bus bar washer washer Screw the bolt of the gland terminal tight clockwise. Step 4 Follow the same steps to connect the “DC-“...

  • Page 28: Grounding Connections

    5 Electrical Installation User Manual 5.4.3 Grounding Connections Overview Ground cables shall be connected correctly and firmly. Otherwise:  The electric shock caused by a malfunction can lead to lethal damage.  The device can be damaged when lightning. Relevant standards must be observed. ...

  • Page 29: Communication Connections

    User Manual 5 Electrical Installation wire bending space should be ensured. For the stripped length, refer to the "Tab. 5-2 Correspondence between Step 3 grounding hole and cable requirement". Connect the OT terminal. Step 4 L=D+5 According to the sequence of screw, spring washer, flat washer, OT Step 5 terminal and ground hole to connect the OT terminal to the ground copper bar.
  • Page 30 5 Electrical Installation User Manual Insert the screwdriver inside the input cable terminal holes. Pull the Step 4 screwdriver until the leaf spring is bounced completely. Insert wires into bottom of wiring holes A1, B1, and FG. Among them: Step 5 −...

  • Page 31: Bottom Wiring

    User Manual 5 Electrical Installation 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)  Connect A1 and B1 of PVS1 to A1 and B1 of data collector.

  • Page 32: Cable Layout

    5 Electrical Installation User Manual After installation or maintenance, close and lock the door, and tighten the key-hole waterproof cover to avoid water penetration. Each cable should be bent for some surplus. Do not tension it. 5.5 Cable Layout Lay the cables connected the PVS and external devices in the cable trench for easy installation and maintenance.

  • Page 33: Communication Settings

    User Manual 5 Electrical Installation 5.6 Communication Settings Communication parameters of PVS can be set and viewed on the monitoring board, as shown below. A LED display The LED display is used to display the electrical parameters and communication parameters of the PVS. B Switch for setting PLC communication frequency The correspondence between switch state and frequency is as follows: Figure...

  • Page 34: Setting Communication Address

    5 Electrical Installation User Manual  Press K2, and communication address, baud rate, and chassis temperature of the PVS can be displayed on the LED. Tab. 5-3 Function description of the key buttons (using 16 inputs as example) Parameter type Figure Descriptions display...

  • Page 35: Setting String Input Number

    After finishing the setting, press both K1 and K2 until no data is displayed Step 3 on the LED, to save the setting. 5.6.2 Setting String Input Number Types of standard PVS researched by Sungrow are as follows:  PVS-8M ...
  • Page 36 5 Electrical Installation User Manual Stop the PVS Manually disconnect the circuit breaker inside the PVS. Step 1 When the output current of the PVS is reduced to 0, it stops combining Step 2 operation. When the output voltage of the upstream PV modules is lower than the lowest operating voltage of the power supply board inside the PVS, the monitoring board stops operation.

  • Page 37: Commissioning

    6 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 38: Routine Maintenance

    7 Routine Maintenance 7.1 Overview 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 39: Replace The Sealing Strip

    7.3 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. If it is damaged by non-human factors, please contact Sungrow immediately to replace the PVS door cover.

  • Page 40: Troubleshooting

    8 Troubleshooting 8.1 Before Troubleshooting Please notice the following items before troubleshooting:  Disconnect the circuit breaker before operation.  Please do not touch the bare metal parts of the copper bar under the protection plate.  Pull the fuse holder for maintenance of the combining busbar and to disconnect the input cable.
  • Page 41 User Manual 9 Troubleshooting Fault Possible cause Method of correction Contact us for replacement of “RUN” does not flash. Faulty CPU board the monitoring unit. Failure surge Replace surge protection “SPD” lights up. protection device device in time. Other Faults Fault Possible cause Method of correction...
  • Page 42 User Manual Label Meaning +5V/+24V +5V/+24V plug on the monitoring unit If there are any problems in using the PVS, please contact Sungrow. E-mail address: service@sungrowpower.com For better service, please provide us with the following information:  Type of the PVS ...

  • Page 43: Appendix

    RS485, PLC Colour Matte RAL7035 Weight 25 kg 26 kg 27 kg 9.2 Cable Requirement Model PVS-8M / PVS-12M / PVS-16M Type: MC4 terminals or 4~6mm , stranded flame-retarded copper wire Input cable Stripped length:10mm Bolt: M4 Tightening torque: 1.8N.m...

  • Page 44: 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 45: Contact Information

    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 are subject to changes without advance notice.
  • Page 46 Sungrow Power Korea Limited Tokyo Seoul +827077191889 + 81 3 6262 9917 service@kr.sungrowpower.com japanservice@jp.sungrowpower.com Malaysia Philippines Sungrow SEA Sungrow Power Supply Co., Ltd Selangor Darul Ehsan Mandaluyong City +6019897 3360 +639173022769 service@my.sungrowpower.com service@ph.sungrowpower.com Thailand Spain SungrowThailand Co., Ltd. Sungrow Ibé rica S.L.U.
  • Page 47 User Manual 9 Appendix Sungrow Vietnam Hanoi +84 918 402 140 service@vn.sungrowpower.com...

This manual is also suitable for:

Pvs-12mPvs-16m

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