Related Manuals for Sungrow PVS-8MH-DB
Summary of Contents for Sungrow PVS-8MH-DB
- Page 1 User Manual PVS-8MH-DB/ PVS-12MH-DB/PVS-16MH-DB PV Array Combiner Box PVS-12MH_16MH-DB-V11-UEN-Ver12-202006...
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Page 3: Table Of Contents
Contents About This Manual ..............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 Main features................ - Page 4 5.4.5 Cable Layout ................27 Communication settings ............27 Start/Stop of operation ............. 29 Commissioning ..............30 Routine Maintenance ............31 Replace the Fuse ..............31 Replace the sealing strip ............32 Troubleshooting ..............33 Before troubleshooting ............. 33 Common faults and troubleshooting ........33 Appendix ................
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Page 5: About This Manual
1 About This Manual 1.1 Contents Safety instructions Safety instructions for the installation, operation, commissioning and maintenance of PVS. Product description Location of PVS in the PV system, structure, function and classification. Installation guide The installation methods and electrical connections of PVS. ... -
Page 6: Others
User Manual 1.4 Others This document will take the PVS-16MH-DB for example. For the installation and use of other types of combiner boxes, please also refer to this manual. PVS-8MH-DB PVS-12MH-DB PVS-16MH-DB The electrical structure, installation and use method of PVS-12MH-DB are the same with that of PVS-16MH-DB. -
Page 7: Picture Explanation
User Manual 1 About This Manual NOTE indicates additional information, emphasized contents or tips to help you solve problems or save time. The following symbols on the device enclosure must be paid attention to. Symbols Explanation Risk of electric shock! If not avoided, lethal hazard can be caused. Hot surface! Do not touch! The symbol represents protective conductor terminal. -
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. 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.
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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. PVS is designed for meeting these requirements, which provides a turnkey solution for PV plant systems. -
Page 12: Main Features
LED and sent by RS485 3.3 Demonstration of the type Max. Number of Max.Number Monitoring Model DC inputs of PV strings function PVS-8MH-DB PVS-12MH-DB PVS-16MH-DB 3.4 Dimensions The dimensions of the PVS are shown in the figure below, unit: mm. Depth（D） Width（W） Height（H）... -
Page 13: Identifying The Pvs
User Manual 3 Product Description Model Width(W) Height(H) Depth(D) PVS-8MH-DB 730 mm 580 mm 260 mm PVS-12MH-DB PVS-16MH-DB 930 mm 730 mm 260 mm 3.5 Identifying the PVS The appearance of the PVS is shown in the figure below (take PVS-16MH-DB for example). -
Page 14: Mechanical Installation
MC4 connector Used to connect the PV input 16*** Note: * is for the PVS-8MH-DB;** is for the PVS-12MH-DB; and *** is for the PVS-16MH-DB. 4.2 Installation site requirements With IP65 protection degree, the PVS can be installed outdoors. Please meet the following requirements: ... -
Page 15: Installation Tools
User Manual 4 Mechanical Installation Ambient temperature-30℃~+60℃; Relative humidity 0~95% Installation site should be as close as possible to PV arrays for minimum cables and wires usage. Installation site should be safe venting. Never install the device in direct sunlight to guarantee optimal performance. ... -
Page 16: Fix The Hangers To Pvs
For the horizontal installation, the distances between hangers are shown in the following figure "Solution 2". Hanger Solution 2 Solution 1 Solution 1 Solution 2 Model PVS-8MH-DB 621 mm 551 mm 702 mm 470 mm PVS-12MH-DB PVS-16MH-DB 816 mm 701 mm... - Page 17 User Manual 4 Mechanical Installation Direct wall-mounted Mark position and drill holes on the installation surface according to the Step 1 distance of the hangers on the four corners of the PVS. Fix the PVS to the surface according to the following sequence. Step 2 Recommended torque:51±0.7 N.m.
- Page 18 5 Electrical Installation User Manual Name Note M10 Bolt Not included in the scope of delivery. Flat washer Spring washer PVS hangers Stainless steel support Step3 Check to ensure PVS is installed correctly and securely.
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Page 19: Electrical Installation
5 Electrical Installation 5.1 Internal structure Two schemes are available for the combiner box: floating grounding and negative grounding. Correspondingly, the internal structural diagram differs. Fig. 5-1 Floating grounding Fig. 5-2 Negative grounding Description DC+ fuse cartridge DC- fuse cartridge RS485 ports... -
Page 20: Water-Proof Terminals
5 Electrical Installation User Manual Description Ground copper bar Output of DC negative pole Output of DC positive pole DC switch Power supply board Indicator(for more details, please refer to the Tab 8-1) LED display Push switch SPD (Surge protection device) Fuse A PV special fuse is set for each string as the upstream protection device of the whole PV power generation system. -
Page 21: Wiring Preparations
User Manual 5 Electrical Installation Label Description Model Cable(mm) Negative pole input INPUT DC- waterproof terminal M24 x 1.5 / 4.5~6 Positive pole input INPUT DC+ waterproof terminal Communication input Monitor Input waterproof terminal PG-11 5~10 Communication output Monitor Output waterproof terminal Grounding waterproof... -
Page 22: Connections
5 Electrical Installation User Manual Remove the protection cover. Step 2 Turn the switch to “OFF” position. Step 3 Remove fuse. Step 4 5.4 Connections 5.4.1 Input connections High voltage is present inside the device! Follow all the warning signs in the device. ... - Page 23 User Manual 5 Electrical Installation Incorrect cable connection may cause damages to the PV cells, the PVS and inverter. Respect the following instructions during cable connection: Connect by strictly following the circuit diagram; Measure the positive and negative polarity of each string by ammeter with withstanding voltage no less than 1500V and make sure there is no reversed connection before cable connection.
- Page 24 5 Electrical Installation User Manual PVS positive input terminal positive input cable Sealing cover − Connect the negative input cable according to the figure below. negative input negative input cable Sealing cover terminal 2: Gland terminal Scheme Loosen the union nut of gland terminals. Step 1 Insert the “PV1+”...
- Page 25 User Manual 5 Electrical Installation Do not break the copper wire during stripping. Select proper terminal to the corresponding cable. For example, LT160012, 16 stands for 16 mm the cross-sectional area of the crimping cable; 12 stands for 12mm, the length of the crimping tube, see the following figure. Cross-section Terminal type Stripped length (mm)
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Page 26: Output Connections
5 Electrical Installation User Manual Press the bolt toward the side with indentation during fixation. Make sure the terminal is inserted into the PVS as much as possible. 5.4.2 Output connections Lift the protective cover upwards. Then loosen the nut from gland terminals. Insert the “DC+”... -
Page 27: Grounding Connections
User Manual 5 Electrical Installation − 1. Use hexagon spanner to remove the nut of M12; − 2. Insert DT terminal into the output terminal; − 3. Use hexagon spanner to tighten the nut. Copper bar DT terminal Bolt Spring washer Flat washer Screw the bolt of the gland terminal tight clockwise. -
Page 28: Communication Connections
5 Electrical Installation User Manual Relevant standards must be observed. 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 not be over 1Ω. Loosen the union nuts of “... - Page 29 User Manual 5 Electrical Installation Upper terminal connects to input and lower terminal connects to output. User may adjust according to real need. Unscrew the gland terminals “Monitor Input” and “Monitor Output”. Step 1 Pull the communication cable inside the PVS through the gland Step 2 terminals.
- Page 30 5 Electrical Installation User Manual Communication cable must shielded twisted pair cable. Communication unstable or communication failure may follow if otherwise. Communication cable should be far away from the high voltage cable. Place the communication cables and power cables in parallel or strap them together is strictly forbidden.
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Page 31: 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. 5.4.5 Cable Layout Lay the cables connected the PVS and external devices in the cable trench for easy installation and maintenance. - Page 32 5 Electrical Installation User Manual A Push switch The upper switch is K1 and the lower switch is K2. B LED display The LED display can be divided into the first two digits and last three digits. The first two digits is used to display the parameter type; the last three digits are used to display the corresponding values.
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Page 33: Start/Stop Of Operation
User Manual 5 Electrical Installation Parameter type Description Ambient temperature display Setting Communication Address Press and hold K1 for 3s until "A=001" is displayed and flashing on the Step 1 LED. press K1 to add address number; and press K2 to reduce address Step 2 number. -
Page 34: 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 35: Routine Maintenance
7 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 36: 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 37: Troubleshooting
8 Troubleshooting This chapter gives the basic troubleshooting methods for customer as a reference. 8.1 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 38 9 Troubleshooting User Manual Fault Possible cause Method of correction Twisted pair shielded cable shall be used, with shielding Communication Disturbance layer grounded. failure sometimes communication line Refer to “5.4.4 Communication Connections”. Check voltage on monitoring monitoring unit +5V plug, which shall be output unit, indicator...
- Page 39 User Manual 9 Troubleshooting Tab. 8-1 Descriptions Indicator Meaning Transmitted communication data signal indicator Received communication data signal indicator Monitoring unit running status indicator Surge protection device fault indicator DC switch status indicator POWER/PWR Monitoring unit power supply status indicator +5V plug on the monitoring unit...
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Page 40: Appendix
9 Appendix 9.1 Technical data PVS-8MH- PVS-12MH- PVS-16M Application Data H-DB Operating ambient temperature -40℃ to +60℃ range Operating relative humidity range 0～95% Degree of protection (acc.to IEC IP65 60529) EN 62109-1:2010 Conformity with norms IEC 61439-1:2011, EN 61439-1:2011 IEC 61439-2:2011, EN 61439-2:2011 Electrical Characteristics Max. -
Page 41: 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 42: 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 43 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 44 9 Appendix User Manual Milton Keynes PhoenixArizona +44 (0) 0908 414127 +1833 7476937 service.uk@sungrow.co techsupport@sungrow-na.com Vietnam Sungrow Vietnam Hanoi +84 918 402 140 service@vn.sungrowpower.com...