SolarEdge SE K Series User manual

Installation Guide

Three Phase Inverters with

Synergy Technology

Model Name: SExxxK for Australia

Version 1.2

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 Inverters with Synergy Technology

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 Inverters with Synergy Technology

2 Emission Compliance

CAUTION!

Where EN55011 Class A is deemed applicable, the following requirements apply:

This equipment is not intended for use in residential environments and may

not provide adequate protection to radio reception in such environments.

This equipment should be connected to inverters with a rated power > 20

kVA and is intended to be installed in a large photovoltaic power generating

system by a professional.

This equipment should be physically separated from residential

environments by a distance greater than 30 m, and can be equipped with

additional filtering if necessary.

Disclaimers 3

Three Phase Inverters with Synergy Technology

Contents

Disclaimers 1

Important Notice 1

Emission Compliance 2

Safety Warnings 2

HANDLING AND SAFETY INSTRUCTIONS 6

Safety Symbols Information 6

Chapter 1: Introducing the SolarEdge Power Harvesting System 9

Power Optimiser 9

Three Phase Inverter with Synergy Technology 10

Monitoring Platform 11

Designer 11

Installation Tools and Material List 11

Installation Procedure 12

Chapter 2: Installing the Power Optimisers 13

Safety 13

Installation Guidelines 14

Step 1: Mounting the Power Optimisers 17

Step 2: Connecting a PV module to a Power Optimiser 17

Step 3: Connecting Power Optimisers in PV strings 18

Step 4: Verifying Proper Power Optimiser Connection 19

Chapter 3: Installing the Synergy Manager and Synergy Units 21

Synergy Manager Package Contents 21

Synergy Unit Package Contents 21

Identifying the Units 21

Front Interface of Synergy Manager 22

Inverter Interconnection Cable Interfaces 26

Synergy Manager External Cable Interface 27

Synergy Unit Interface Connectors 27

Drilling Conduit Holes 29

Mounting and Connecting the Synergy Manager and Synergy Units 30

Chapter 4: Connecting AC and PV arrays to the Synergy Manager 35

Connecting the ACGrid to the Synergy Manager 35

Connecting the PV arrays to the Synergy Manager 35

Connecting Ground and AC Wires to the Synergy Manager 37

Chapter 5: Activating, Commissioning and Configuring the System 43

On-grid Commissioning of the inverter 44

Step 1: Activating the Installation 44

Step 2: Commissioning and Configuring the Installation 44

Step 3: Verifying Proper Activation and Commissioning 46

Three Phase Inverters with Synergy Technology

4 Safety Warnings

Pre-commissioning (Off-Grid) 46

Reporting and Monitoring Installation Data 48

Chapter 6: Setting Up Communication with the Monitoring Platform 50

Communication Options 50

Communication Connectors 51

Creating an Local Area Network (LAN) Connection 54

Creating an RS485 Bus Connection 59

RS485 Bus Configuration 62

Verifying the Connection 63

Signaling Options 63

Appendix A: Errors and Troubleshooting 65

Identifying Errors 65

Power Optimiser Troubleshooting 66

Troubleshooting Communication 68

Appendix B: Adding Optional Components 70

AC Surge Protection Device (SPD) 70

DC Surge Protection Device (SPD) 70

Wi-Fi Antenna 70

Cellular Plug-in 71

Appendix C: Mechanical Specifications 72

Disclaimers 5

Three Phase Inverters with Synergy Technology

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.

Three Phase Inverters with Synergy Technology

6 HANDLING AND SAFETY INSTRUCTIONS



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.

HANDLING AND SAFETY INSTRUCTIONS 7

Three Phase Inverters with Synergy Technology

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.

Three Phase Inverters with Synergy Technology

8 Safety Symbols Information

Chapter 1: Introducing the SolarEdge Power

Harvesting System

The SolarEdge power harvesting solution is designed to maximize the power output

from any type of solar Photovoltaic (PV) installation while reducing the average cost

per Watt.

Figure 1

shows and the following sections describe the components of the

SolarEdge power harvesting system.



Figure 1: The SolarEdge power harvesting system components

Power Optimiser

The Power Optimisers are DC-DC converters connected to PV modules to maximize

power harvesting by performing independent Maximum Power Point Tracking (MPPT)

at the module level.

The Power Optimisers regulate the PV string voltage at a constant level, regardless of PV

string length and environmental conditions.

The Power Optimisers include a safety Voltage function that automatically reduces the

output of each Power Optimiser to 1 Vdc in the following cases:

During fault conditions

The Power Optimisers are disconnected from the inverter

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

Three Phase Inverters with Synergy Technology

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