Sungrow SC50HV User manual

SC50_60_75HV-UEN-V12-202006 Version: 1.2
User Manual
SC50/60/75HV
Power Conversion System
(PCS)

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About This Manual
Applicability
This manual is applicable to the PCS types:
SC50HV
SC60HV
SC75HV
Target Group
This manual is intended for:
qualified personnel who are responsible for the installation and
commissioning of the PCS
PCS owners who will have the ability to interact with the PCS via the LCD
display.
How to Use the Manual
Read the manual and other related documents before any work on the PCS is
carried out. Documents must be stored carefully and be available at all times.
All rights to the content of this manual are owned by Sungrow Power Supply
Co., Ltd. (hereinafter “SUNGROW”). No part of this document can be modified,
distributed, reproduced or published in any form or by any means without prior
written permission from SUNGROW.
Content may be periodically updated or revised due to product development.
The information in this manual is subject to change without notice. The latest
manual can be acquired at www.sungrowpower.com.
Symbols Explanation
Important instructions contained in this manual should be followed during
installation, operation and maintenance of the PCS. And they will be highlighted
by the following symbols.

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DANGER indicates a hazard with a high level of risk which, if not
avoided, will result in death or serious injury.
WARNING indicates a hazard with a medium level of risk which, if not
avoided, could result in death or serious injury.
CAUTION indicates a hazard with a low level of risk which, if not
avoided, could result in minor or moderate injury.
NOTICE indicates a situation which, if not avoided, could result in
equipment or property damage.
NOTE indicates additional information, emphasized contents or tips
to help you solve problems or save time.
Symbols on the PCS Body
The symbols below are pasted on the PCS. Make sure to read the following
symbols and fully understand them before installing the equipment.

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Contents
About This Manual.....................................................................I
1Safety Instructions..............................................................1
1.1 Intended Usage .........................................................................1
1.2 Important Safety Instructions .....................................................2
1.3 During Operation........................................................................3
1.3.1 Manuals .................................................................................... 3
1.3.2 Personnel.................................................................................. 3
1.3.3 Markings on the PCS ................................................................ 3
1.3.4 Safety Warning Signs................................................................ 4
1.3.5 Storage Battery Protection ........................................................ 4
1.3.6 Live Line Measurement............................................................. 4
1.3.7 Measuring Instrument................................................................ 4
1.3.8 ESD Protection.......................................................................... 5
1.3.9 Moisture Protection................................................................... 5
1.3.10 Maintenance and Service........................................................ 5
1.3.11 Disposal of Waste ................................................................... 6
1.3.12 Others..................................................................................... 6
2Product Introduction...........................................................7
2.1 System Introduction...................................................................7
2.2 Product Description....................................................................7
2.2.1 Model Description ..................................................................... 7
2.2.2 Product Appearance.................................................................. 8
2.2.3 Dimensions of PCS................................................................... 9
2.2.4 LED Indicator Panel .................................................................. 9
2.2.5 Battery Switch......................................................................... 10
2.3 Technical Description...............................................................10
2.3.1 Principle Description ............................................................... 10
2.3.2 Functions Description...............................................................11
2.3.3 Mode Description.....................................................................11

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3Installation Flow................................................................13
4Unpacking and Storage....................................................15
4.1 Unpacking and Inspection.......................................................15
4.2 Identifying PCS........................................................................15
4.3 Delivery Contents....................................................................17
4.4 Storage of PCS .......................................................................17
5Installation..........................................................................19
5.1 Installation Site Selection........................................................19
5.2 Moving PCS to Installation Site...............................................22
5.3 Installation Tools...................................................................... 22
5.4 Installing the PCS....................................................................23
5.4.1 Installing to Metal Frame......................................................... 24
5.4.2 Installing the PCS to the wall................................................... 25
6Electrical Connection .......................................................27
6.1 Terminals Description..............................................................27
6.2 DC fuse and AC circuit breaker requirements .........................28
6.3 Grounding the PCS.................................................................29
6.4 AC Connection........................................................................29
6.4.1 Requirements for multi-PCS parallel connection .....................29
6.4.2 AC Cable Requirements.......................................................... 30
6.4.3 Connection Procedure.............................................................31
6.5 Internal PE Cable Connection.................................................33
6.5.1 Internal PE Cable Requirements.............................................33
6.5.2 Connection Procedure.............................................................33
6.6 Battery Connection.................................................................. 34
6.6.1 DC Cable Requirements.......................................................... 35
6.6.2 Connection Procedure.............................................................35
6.7 Communication Connection ....................................................37
6.8 DC parallel connection ............................................................38
7Commissioning .................................................................40
7.1 Inspection before Commissioning ...........................................40
7.2 Commissioning Procedure ......................................................40

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8iSolarCloud APP................................................................42
8.1 Brief Introduction......................................................................42
8.2 Download and Install................................................................42
8.3 Menu........................................................................................43
8.4 Login........................................................................................43
8.4.1 Requirements.......................................................................... 43
8.4.2 Login Steps............................................................................. 44
8.5 Home page..............................................................................45
8.6 Running Information.................................................................47
8.7 History Record.........................................................................48
8.7.1 Alarm Records......................................................................... 48
8.7.2 Charge and Discharge Records.............................................. 49
8.7.3 Event Records......................................................................... 50
8.8 More.........................................................................................51
8.8.1 Boot / Hot standby / Shutdown................................................ 52
8.8.2 System parameter................................................................... 52
8.8.3 Communication parameters .................................................... 53
8.8.4 Operation parameters ............................................................. 54
8.8.5 Charging & Discharging management..................................... 56
8.8.6 Download the log .................................................................... 56
8.8.7 Firmware update..................................................................... 57
8.9 Configuring BMS Data Sources...............................................57
9Disconnecting, Dismantling and Disposing the PCS ...60
9.1 Disconnecting the PCS............................................................60
9.2 Dismantling the PCS................................................................61
9.3 Disposing the PCS...................................................................61
10 Troubleshooting and Maintenance..................................63
10.1 Troubleshooting.......................................................................63
10.2 Maintenance ............................................................................66
10.2.1 Routine Maintenance ............................................................ 66
10.2.2 Maintenance Instruction........................................................ 66
11 Appendix............................................................................69

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11.1 Technical Data.........................................................................69
11.2 Exclusion of Liability................................................................70
11.3 Contact Information.................................................................72