SolarEdge SE12.5k User manual

Installation Guide

Three Phase System with

SetApp Configuration

For Europe and APAC

Version 1.5

Disclaimers

Important Notice

No part of this document may be reproduced, stored in a retrieval system or

transmitted, in any form or by any means, electronic, mechanical, photographic,

magnetic or otherwise, without the prior written permission of SolarEdge Inc.

The material furnished in this document is believed to be accurate and reliable.

However, SolarEdge assumes no responsibility for the use of this material. SolarEdge

reserves the right to make changes to the material at any time and without notice. You

may refer to the SolarEdge web site (www.solaredge.com) for the most updated version.

All company and brand products and service names are trademarks or registered

trademarks of their respective holders.

Patent marking notice: see http://www.solaredge.com/patent

The general terms and conditions of delivery of SolarEdge shall apply.

The content of these documents is continually reviewed and amended, where

necessary. However, discrepancies cannot be excluded. No guarantee is made for the

completeness of these documents.

The images contained in this document are for illustrative purposes only and may vary

depending on product models.

Disclaimers 1

Three Phase System MAN-01-00505-1.5

Emission Compliance

This equipment has been tested and found to comply with the limits applied by the

local regulations.

These limits are designed to provide reasonable protection against harmful interference

in a residential installation. This equipment generates, uses and can radiate radio

frequency energy and, if not installed and used in accordance with the instructions,

may cause harmful interference to radio communications. However, there is no

guarantee that interference will not occur in a particular installation. If this equipment

does cause harmful interference to radio or television reception, which can be

determined by turning the equipment off and on, you are encouraged to try to correct

the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.

Increase the separation between the equipment and the receiver.

Connect the equipment into an outlet on a circuit different from that to which the

receiver is connected.

Consult the dealer or an experienced radio/TV technician for help.

Changes or modifications not expressly approved by the party responsible for

compliance may void the user’s authority to operate the equipment.

Three Phase System MAN-01-00505-1.5

2 Emission Compliance

Revision History

Version 1.5 (October 2020)

Changed the cable type required for the RS485 and Ethernet connection to CAT6.

Added a requirement to minimize the distance between the positive and negative

DC optimizer cables in

Step 3: Connecting Power Optimizers in Strings

on page 17.

Added the requirement for a special bracket, when installing close to the shoreline

Mounting the Inverter

on page 24.

For inverter clearance, added a link to

Application Note - Clearance Guidelines

Mounting the Inverter

on page 24.

Updated the communication board TCPdetails in

Creating an Ethernet (LAN)

Connection

on page 42.

Revision History 3

Three Phase System MAN-01-00505-1.5

Contents

Disclaimers 1

Important Notice 1

Emission Compliance 2

Revision History 3

HANDLING AND SAFETY INSTRUCTIONS 6

Safety Symbols Information 6

IMPORTANTSAFETYINSTRUCTIONS 7

Chapter 1: Introducing the SolarEdge Power Harvesting System 9

Power Optimizer 9

Inverter 10

Monitoring Platform 10

Installation Procedure 10

Installation Equipment List 10

Inverter Transport and Storage 11

Chapter 2: Installing the Power Optimizers 12

Safety 12

Installation Guidelines 13

Step 1: Mounting the Power Optimizers 16

Step 2: Connecting a PV module to a Power Optimizer 16

Step 3: Connecting Power Optimizers in Strings 17

Step 4: Verifying Proper Power Optimizer Connection 18

Chapter 3: Installing the Inverter 19

Inverter Package Contents 19

Identifying the Inverter 19

Inverter Interfaces 20

Mounting the Inverter 24

Chapter 4: Connecting the AC and the Strings to the Inverter 28

Grid Connection Guidelines 28

Connecting the ACGrid to the Inverter 28

Connecting the Strings to the Inverter 30

Selecting a Residual Current Device (RCD) 31

Chapter 5: Activating, Commissioning and Configuring the System 33

Step 1: Activating the Installation 33

Step 2: Commissioning and Configuring the Installation 34

Step 3: Verifying Proper Activation and Commissioning 36

Reporting and Monitoring Installation Data 36

Chapter 6: Setting Up Communication to the Monitoring Platform 39

Three Phase System MAN-01-00505-1.5

4 Revision History

Communication Options 39

Communication Connectors 41

Removing the Inverter Cover 42

Removing the DC Safety Unit Cover (if applicable) 42

Creating an Ethernet (LAN) Connection 42

Creating RS485 Bus Connection 46

RS485 Bus Configuration 49

Verifying the Connection 49

Appendix A: Errors and Troubleshooting 50

Identifying Errors 50

Troubleshooting Communication 51

Power Optimizer Troubleshooting 52

Appendix B: Mechanical Specifications 54

Appendix C: Connecting the AC and DCStrings to the DC Safety Unit 55

Connecting the ACGrid to the Inverter 56

Connecting the Strings to the DC Safety Unit 57

Appendix D: SafeDC™ 59

Appendix E: External Fan Maintenance and Replacement 60

Fan Maintenance 60

External Fan Replacement 60

Appendix F: Replacing and Adding System Components 62

Replacing an Inverter 62

Replacing the DC Safety Unit 63

Adding, Removing, or Replacing Power Optimizers 66

Appendix G: Determining the Circuit Breaker Size 67

Using Transformers in Commercial Three Phase Inverter Installations 67

Determining the Size of an Inverter Circuit Breaker 68

Technical Specifications - Three Phase Inverters (Europe &APAC) 72

Support Contact Information 82

Revision History 5

Three Phase System MAN-01-00505-1.5

HANDLING AND SAFETY INSTRUCTIONS

During installation, testing and inspection, adherence to all the handling and safety

instructions is mandatory. Failure to do so may result in injury or loss of life and

damage to the equipment.

Safety Symbols Information

The following safety symbols are used in this document. Familiarize yourself with the

symbols and their meaning before installing or operating the system.

WARNING!

Denotes a hazard. It calls attention to a procedure that, if not correctly

performed or adhered to, could result in injury or loss of life. Do not proceed

beyond a warning note until the indicated conditions are fully understood and

met.

CAUTION!

Denotes a hazard. It calls attention to a procedure that, if not correctly

performed or adhered to, could result in damage or destruction of the

product. Do not proceed beyond a caution sign until the indicated conditions

are fully understood and met.

NOTE

Denotes additional information about the current subject.

IMPORTANTSAFETYFEATURE

Denotes information about safety issues.

Disposal requirements under the Waste Electrical and Electronic Equipment (WEEE)

regulations:

NOTE

Discard this product according to local regulations or send it back to SolarEdge.

Three Phase System MAN-01-00505-1.5

6 HANDLING AND SAFETY INSTRUCTIONS

IMPORTANTSAFETYINSTRUCTIONS

SAVETHESEINSTRUCTIONS

WARNING!

The inverter cover must be opened only after switching the inverter ON/OFF/P

switch located at the bottom of the inverter to OFF. This disables the DC voltage

inside the inverter. Wait five minutes before opening the cover. Otherwise, there

is a risk of electric shock from energy stored in the capacitors.



WARNING!

Before operating the inverter, ensure that the inverter AC power cable and wall

outlet are grounded properly. This product must be connected to a grounded,

metal, permanent wiring system, or an equipment-grounding conductor must

be run with the circuit conductors and connected to the equipment grounding

terminal or lead on the product.

WARNING!

Opening the inverter and repairing or testing under power must be performed

only by qualified service personnel familiar with this inverter.

WARNING!

Do not touch the PV panels or any rail system connected when the inverter

switch is ON, unless grounded.

WARNING!

SafeDC complies with IEC60947-3 when installing the system with a worst case

SafeDC voltage (under fault conditions) < 120V.

The worst case voltage is defined as: Voc,max+ (String Length-1)*1V, where:

Voc,max = Maximum Voc (at lowest temperature) of the PV modules in the

string (for a string with multiple modules, use the max value)

String Length = number of power optimizers in the string

CAUTION!

This unit must be operated according to the technical specification datasheet

provided with the unit.

CAUTION!

HEAVY OBJECT. To avoid muscle strain or back injury, use proper lifting

techniques, and if required - a lifting aid.

IMPORTANTSAFETYINSTRUCTIONS 7

Three Phase System MAN-01-00505-1.5

NOTE

The inverter is IP65 rated . Unused conduit openings and glands should be

sealed with appropriate seals.

NOTE

Use PV modules rated according to IEC 61730 class A.

NOTE

The symbol appears at grounding points on the SolarEdge equipment. This

symbol is also used in this manual.

NOTE

A SolarEdge inverter may be installed in a site with a generator. SolarEdge

requires installing a physical or electronic interlock, which will signal to the

inverter when the grid has been disconnected. Interlock procurement,

installation, maintenance and support are the responsibility of the installer.

Damage to the inverter due to incorrect interlock installation or use of an

interlock that is incompatible with the SolarEdge system will render the

SolarEdge warranty invalid.

For more information, refer to

https://www.solaredge.com/sites/default/files/se-inverter-

support-of-voltage-sources.pdf.

NOTE

The following warning symbols appear on the inverter warning label:

Risk of electric shock

Risk of electric shock from energy stored in the capacitor. Do not

remove cover until 5 minutes after disconnecting all sources of

supply.

Hot surface – To reduce the risk of burns, do not touch.

Three Phase System MAN-01-00505-1.5

8 IMPORTANTSAFETYINSTRUCTIONS

Chapter 1: Introducing the SolarEdge Power

Harvesting System

The SolarEdge power harvesting solution maximizes the power output from any type of

solar photovoltaic (PV) installation while reducing the average cost per watt. The

following sections describe each of the system’s components.

Figure 1: The SolarEdge power harvesting system components

Power Optimizer

The power optimizers are DC-DC converters connected to PV modules in order to

maximize power harvesting by performing independent Maximum Power Point

Tracking (MPPT) at the module level.

The power optimizers regulate the string voltage at a constant level, regardless of string

length and environmental conditions.

The power optimizers include a safety voltage function that automatically reduces the

output of each power optimizer to 1 Vdc in the following cases:

During fault conditions

The power optimizers are disconnected from the inverter

The inverter ON/OFF/P switch is turned OFF

The inverter AC breaker is turned OFF

Each power optimizer also transmits module performance data over the DC power line

to the inverter.

Chapter 1: Introducing the SolarEdge Power Harvesting System 9

Three Phase System MAN-01-00505-1.5

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