SolarEdge SE15K User manual

Installation Guide

Three Phase Inverter with

SetApp Configuration

Model Name: SE15K and SE17K for

Australia

Version 1.1

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.

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

trademarks of their respective holders.

Patent marking notice: see

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 Inverter with SetApp Configuration

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.

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.

Safety Warnings

Please review the following safety guidelines, and observe them when handling the

equipment.

Always power down the inverter before opening the unit. Perform the following

steps:

Switch the inverter’s ON/OFF switch to OFF, and wait five minutes for the

capacitors to discharge

Cut off AC power to the inverter by turning off the circuit breakers on the

distribution panel.

Turn the DC Safety Unit’s switch (if applicable) to OFF.

Three Phase Inverter with SetApp Configuration

2 Emission Compliance

Revision History

Version 1.1 (Oct. 2021)

Initial release

Revision History 3

Three Phase Inverter with SetApp Configuration

Contents

Disclaimers 1

Important Notice 1

Emission Compliance 2

Safety Warnings 2

Revision History 3

HANDLING AND SAFETY INSTRUCTIONS 6

Safety Symbols Information 6

Chapter 1: Introducing the SolarEdge Power Harvesting System 9

Power Optimiser 9

Inverter 9

Designer 10

Monitoring Platform 10

SetApp 10

Installation Procedures 10

Installation Equipment List 10

Chapter 2: Installing the Power Optimisers 12

Safety 12

Installation Guidelines 13

Step 1: Mounting the Power Optimisers 16

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

Step 3: Connecting Power Optimisers in PV strings 17

Step 4: Verifying Proper Power Optimiser Connection 18

Step 5: Connecting the Strings to a Combiner Box 19

Chapter 3: Installing the Inverter 20

Package Contents 20

Identifying the Inverter 20

Inverter Interfaces 20

Mounting the Inverter 25

Chapter 4: Connecting Grid and PVStrings to the Inverter 30

Grid Connection Guidelines 30

Connecting to the ACGrid 31

Connecting the ACGrid to the Inverter 31

Connecting the PV Array to the Inverter 33

Chapter 5: Setting Up Communication with the Monitoring Platform 37

Communication Options 37

Communication Connectors 39

Removing the Inverter Cover 40

Removing the DC Safety Unit Cover 40

Creating an Ethernet (LAN) Connection 40

Three Phase Inverter with SetApp Configuration

4 Revision History

Creating an RS485 Bus Connection 44

RS485 Bus Configuration 46

Verifying the Connection 47

Chapter 6: Activating, Commissioning and Configuring the System 48

Step 1: Activating the Installation 48

Step 2: Commissioning and Configuring the Installation 49

Step 3: Verifying Proper Activation and Commissioning 51

Reporting and Monitoring Installation Data 51

Signaling Options 53

Appendix A: Errors and Troubleshooting 55

Identifying Errors 55

Troubleshooting Communication 56

Power Optimiser Troubleshooting 57

Appendix B: Adding Optional Components 59

AC Surge Protection Device (SPD) 59

DC Surge Protection Device (SPD) 59

Appendix C: Mechanical Specifications 60

Dimensions of Inverter Mounting Bracket 61

Support Contact Information 62

Revision History 5

Three Phase Inverter with SetApp Configuration

HANDLING AND SAFETY INSTRUCTIONS

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.

Warning!

To reduce the risk of injury, read all instructions in this document.

WARNING!

When servicing or replacing SolarEdge equipment, instructions in the

SolarEdge Inverter Installation Guide must be followed to maintain the integrity

of the PV hazard control system. SolarEdge Power Optimizers and/or inverters

may only be replaced with SolarEdge Power Optimizers and/or inverters. Third

party equipment is not compatible with SolarEdge equipment.

WARNING!

Using this equipment in a manner not specified by SolarEdge in this document

may impair the protection provided by this equipment.

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.

HANDLING AND SAFETY INSTRUCTIONS 6

Three Phase Inverter with SetApp Configuration



WARNING!

Before operating the inverter, ensure that the inverter 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!

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+ (PV string Length-1)*1V, where:

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

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

PV string Length = number of Power Optimisers in the PV 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.

NOTE

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

symbol is also used in this manual.

Three Phase Inverter with SetApp Configuration

7 Safety Symbols Information

NOTE

SolarEdge inverters can be installed in sites with an alternative power source

such as 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 on connecting an alternative power source

to SolarEdge inverter, refer to

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

support-of-voltage-sources.pdf.

HANDLING AND SAFETY INSTRUCTIONS 8

Three Phase Inverter with SetApp Configuration

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 Optimiser

The Power Optimisers 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.

Each Power Optimiser also transmits module performance data over the DC power line

to the inverter.

Inverter

An external The inverter efficiently converts DC power from the modules into AC power

that can be fed into the main ACservice of the site and from there to the grid. The

inverter also receives the monitoring data from each power optimizer and transmits it to

a central server (the monitoring platform; requires Internet connection).

An external Connection Unit has a manually operated switch for disconnecting the DC

power of a SolarEdge system. The Connection Unit is located below the inverter and is

connected to the inverter with AC and DC wires.

Three Phase Inverter with SetApp Configuration

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

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