Selectronic SP PRO 2i Series Manual de usuario
Installation • Operation • Service
Instruction Manual for
SP PRO series 2i
Interactive Inverter Charger
Selectronic Australia Pty Ltd
© 2020
Ph +61 3 9727 6600
Fax +61 3 9727 6601
www.selectronic.com.au
Thank you for purchasing a Selectronic SP PRO series 2i sine wave Interactive Inverter Charger
optimised for either grid connected power systems (also called Solar Hybrid Power Systems) or
O Grid systems (no grid power available).
Selectronic has an accredited Quality Assurance system covering both their manufacturing and
design operations with over 25 years experience designing power conversion equipment for both
domestic and industrial purposes.
As a result Selectronic has had many opportunities to listen to both integrators and system
owners to determine their real needs.
We have learnt from our customers that:
• Modern solar energy systems need to do more than provide power when the sun shines,
• A simple or complex system should be a matter of choice. The inverter should be able to
perform with ease of conguration yet be capable of integrating into the most advanced
energy system.
• Battery longevity is paramount. A combination of battery protection and the best charging
methods are essential.
• Monitoring / conguration software should be user friendly with intuitive “at a glance”
menu clarity.
The SP PRO has been designed with these, and many other criteria in mind.
In addition to power conversion the SP PRO controls the operation of the entire energy system
ensuring all sources of renewable energy are fully utilised whilst reducing the use of either grid
power or generator power. The SP PRO is a complete Energy System.
With the easy to use SP LINK Site Conguration Wizard the SP PRO can easily be “hung on
the wall” and congured to suit most renewable energy installations. Further functionality is also
possible when using the Advanced Conguration settings to tailor the SP PRO to suit a more
complex system requirements.
We are always interested in feedback about this document or the SP PRO. Please do not
hesitate to contact us via our web site
www.selectronic.com.au
.
When installed and maintained correctly the SP PRO will give many years of trouble free
operation.
INTRODUCTION
Contents
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INTRODUCTION
Australian/New Zealand Warranty 6
Using This Manual 6
Included in this package 7
Glossary of Terms 7
Conguring the SP PRO using SP LINK 7
Product Overview 8
Solar Hybrid Support and Grid Feed Systems 8
O Grid Stand Alone Power Systems (SPS) 9
Precautions and Safety 10
Who should install this unit 10
Protective Earth connection 10
Multiple Hazardous Energy Sources 10
Preparation 11
Installation 11
Maintenance 11
Inverter may start automatically 11
Backup Generator may start automatically 11
Battery 11
INSTALLATION
Installation-General Requirements 12
Environmental Considerations 13
Eects of altitude on the SP PRO 13
Preparation 14
Installation of SPMC models 15
Installation of SPLC models 18
Battery Cabling Requirements 21
Battery Fusing / Circuit Breakers 21
DC Wiring SPMC Models 22
DC Terminal Torque settings - SPMC and SPLC 22
DC Wiring SPLC Models 22
Expansion Card Warning - 120VDC model 23
Current Shunt Wiring 23
Battery Temperature Sensor 23
Battery Wiring (DC) Preparation 24
AC Wiring 25
Earth Wiring 25
Residual Current Device (RCD) Type
Recommendation 26
AC Wiring Preparation 26
Backup Generator (Advanced Feature) Control
Wiring 27
Serial Port Connection 27
Gland Plate Fit out 27
Initial Start up Procedure 27
Labelling 27
Installation-System Configuration 28
Powerchain 28
Managed Battery Preparation 28
Managed AC Coupled Preparation 29
Generic AC Coupled Preparation 31
Powerchain - Three Phase Preparation 32
Powerchain - Split Phase Preparation 32
DC Coupled Charge Controller Preparation 33
Installation-Ancillary Components 34
Inputs and Output 34
External AC Source contactor 37
Adding a backup Generator (Solar Hybrid only) 38
Adding a Generator (O Grid only) 39
Installation-Communications 40
Communications Overview 40
Communications Port Functions 41
Select.live Remote Monitoring 42
SP PRO Ethernet Adaptor 43
Installation-Configure with SP LINK 44
Overview 44
Conguring The SP PRO For All System
Congurations 45
Contents
Contents
Doc #OI0003 Part #004122 Rev29 2020 | 5
Installation-Commissioning 46
Introduction 46
Diagnostics during Commissioning 46
Common System Checks 47
Powerchain Systems 48
External AC Source Contactor 49
Continue Common System Checks 50
Checking Managed AC Coupled Systems 51
Checking Generic AC Coupled 52
Checking DC coupled 52
External Generator 53
OPERATION
Controls and Indicators 54
User Interface 54
SP PRO Operation 56
Battery Management 57
Battery State of Charge (SoC) monitoring and
control 57
Battery Voltage monitoring and control 57
Battery Charging Operation 58
Battery Charging Cycle 59
Battery Temperature Compensation 60
Renewable Management 60
Generator Controls for O Grid 61
Backup Generator Controls (with option) 61
Inverter External Alarm 61
SERVICE
Service and Maintenance 62
Multiple Sources of Supply 62
Cleaning the Fan and Fan Filter 62
Monitoring the operation of the SP PRO 62
System Shutdown and Startup 63
Installer Maintenance of SP PRO 63
System Maintenance 63
Battery Maintenance and replacement 63
Troubleshooting 64
Front Panel Indicators 64
Troubleshooting with SP LINK 66
AC Power Problems 67
Battery Problems 67
Grid related Problems 67
O Grid Generator Start/Stop Problems 68
Inverter Startup Problems 69
Resetting inverter with or without Restoring
Factory Default settings 69
Appendix A - Specifications 70
Standards Compliance 70
Product Specications 70
INTRODUCTION | Warranty and manual use
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Australian/New Zealand Warranty
The Selectronic SP PRO product is warranted by the manufacturer to the original purchaser only. The
manufacturer will bear the cost of parts and labour to repair any faults found within the terms and period of
this warranty. For full warranty terms and conditions please see the warranty card packed with the SP PRO
inverter.
If you have purchased the SP PRO outside Australia or New Zealand, please see the separate warranty
supplied by the authorised distributor in your country.
Warranty registration is carried out online at.www.selectronic.com.au
Selectronic Australia shall be under no obligation to warrant any equipment which has been improperly
installed, stored, or handled, or which has not been operated or maintained according to this manual, nor for
any operating mistakes and consequences arising from them.
Using This Manual
While every attempt has been made to ensure this manual is as self explanatory and clear as possible, there
are some technical issues and safety warnings that require thorough understanding. It is extremely important
that the owner and integrator/installer follow all of the instructions set out in this document; failure to do so
may void the warranty and not give the full benets that this product can provide.
This manual is divided into four sections to allow fast access to relevant information. The heading on each
page indicates the section.
INTRODUCTION This section, which provides a brief overview of the SP PRO including information
about warranties and terms used in this manual.
INSTALLATION Contains information relevant to the installers from unpacking the unit to conguring
the settings of the SP PRO using SP LINK interface software. Also see the SP LINK
manual (contained in the SP LINK software) for Conguration Settings and Monitoring
details
OPERATION Information relevant to the user and covers the day to day operation of the SP PRO as
well as certain safety warnings. This section presumes the unit’s installation and set up
is complete and correct.
SERVICE Provides information to service personnel in regards to preventative maintenance and
troubleshooting in case of a fault.
A PDF copy of this manual may be downloaded from the Selectronic web site www.selectronic.com.au and is
also included within the Help menu of the SP LINK software.
Throughout the manual the following symbols will be repeated. These symbols are very important.
This symbol indicates danger. Failure to observe this warning may result in serious injury or
death, loss of property or damage to the power system
This symbol is used to draw attention to information that will assist in making full use of the
system or gives notice to information which may not seem immediately apparent
INTRODUCTION | This Package and SP LINK
Doc #OI0003 Part #004122 Rev29 2020 | 7
Included in this package
• Mounting bracket
• Rear Outlet Mesh Cover (SPLC models only)
• Contents checklist, checked and signed by Selectronic
• Know Your SP PRO display quick reference card
• Warranty card.
• Tool kit - (Hex Drive bits - T10 Torx, T20 Torx, T25 Torx, 5 mm Hex, 6 mm Hex, long extension)
• USB Cable - Type B
SP LINK software: Download the latest version from the Selectronic web site www.selectronic.com.au
Glossary of Terms
Powerchain A method for allowing the integration of up to four SP PROs in a single phase power
system or four SP PROs per phase in a multi phase power system.
DC Coupled system The Solar is connected to the DC side of the inverter system through a Solar Controller.
AC Coupled system The Solar is connected to AC Side of the inverter system via a separate Grid Tie inverter.
Solar Hybrid A battery based power system that is connected to the electricity grid
O Grid A battery based power system that is remote from the electricity grid
AC Source The primary AC input connected to the SP PRO, e.g., Mains Grid or Backup Generator.
Site File An SP LINK le that is set up for each SP PRO inverter to be connect to.
Conguration File A le that contains all the settings to be loaded into the SP PRO. This is normally linked
to a site le.
Solar Array A collection of Solar Panels.
PV Photo Voltaic solar power
Sealed Battery A lead acid battery with no access to the electrolyte - either valve regulated or gel.
Flooded Battery A lead acid battery with access caps for maintaining the electrolyte - replacing water lost
during recharge operations. Hydrogen gas discharged during normal recharge
Lithium Battery A battery based around lithium technology. For example, Lithium Iron Phosphate
(LiFePO4)
Managed Battery Where the Battery Management System (BMS) communicates with the SP PRO.
BMS Battery Management System. An electronic battery monitoring system that keeps the
battery bank within its safe operating conditions whilst maximizing battery health.
State of Charge (SoC) The amount of charge in the battery bank, expressed as a percentage of the
battery capacity. When SoC is 100%, the battery is fully charged.
Battery Sense Three terminals located in the SP PRO for a direct connection to the battery terminals
and battery mid-point. Used to provide battery sense measurements and a pre-charge
function that reduces inrush current during DC power up .
Conguring the SP PRO using SP LINK
Provided as a free download, the SP LINK software is a convenient conguration and monitoring tool used
for integrating the SP PRO into the energy system. The SP PRO inverter must be congured using SP LINK
before it will produce any output power.
SP LINK also accesses the monitoring and logging features of the SP PRO to allow the user and installer to
monitor system performance and to assist in the diagnoses of any system issue.
A PC running SP LINK is simply connected to the SP PRO via a USB port to open up the full potential of the
SP PRO Energy System.
INTRODUCTION | Product Overview
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The SP PRO Sine wave Interactive Inverter Charger is designed specically for either Solar Hybrid (grid
support / grid feed) or O Grid (no grid available) operation.
With Powerchain capability, the SP PRO can be congured as either a single phase power system with up to
four SP PROs or a three phase conguration with up to twelve SP PROs (four per phase). A Split phase with
eight SP PROs is also possible. With all SP PROs in a Powerchain system operating in perfect harmony, the
power system is congured, controlled and monitored as one.
As a battery based inverter, charger and system controller all in the one product. Each SP PRO has a
congurable export power limit suitable for many export limited Solar Hybrid applications.
With its in built generator controller the SP PRO is also the ideal choice for all O Grid installations or Solar
Hybrid systems with generator back up.
The SP PRO is compatible with virtually any DC renewable charging source (such as a DC solar controller).
Also any AC renewable source (such as a grid tie inverter) is compatible with the SP PRO in a Solar Hybrid
system without limited export power.
For O Grid Systems or Solar Hybrid systems requiring export limiting the Selectronic Managed AC Coupling
must be used. Its advanced features include the precise control of either a Selectronic Certied (SCERT) grid
tie inverter or the Selectronic SelectSun grid tie inverter, making it ideal for either an O Grid charging system
or maintain a Solar Hybrid export limit.
Solar Hybrid Support and Grid Feed Systems
Product Overview
Chapter One
INTRODUCTION | Product Overview
Doc #OI0003 Part #004122 Rev29 2020 | 9
In Solar Hybrid, the renewable energy can be directed to power the AC load, recharge the battery bank and/
or export to the grid. The direction and priority of the energy ow can be varied depending on the time of day,
battery SoC or load demands allowing the maximum use of the renewable energy (such as PV solar) and
stored battery energy to supply loads to take advantage of variable electricity taris. A Solar Hybrid system
will allow the user to only use grid electricity when they choose.
By using the optional “Grid fail - Gen backup” module the SP PRO can be congured to automatically start
and stop a generator during a prolonged power outage. When the generator is running, the SP PRO will use
the generator to power the site load plus use any additional generator capacity to charge the batteries.
O Grid Stand Alone Power Systems (SPS)
The SP PRO is the heart of the power system. It quietly provides AC power from the battery bank and
renewable sources. By using SP LINK the SP PRO can be congured to monitor battery state of charge
and load conditions to automatically start and stop the generator as required to charge the batteries and
supply loads heavier than the SP PRO can eciently handle. These features, when correctly congured, will
increase the battery life and reduce generator running costs.
When the generator is running, the SP PRO will use the generator to power the site load; plus use any
additional generator capacity to charge the batteries. When the site loads are greater than the generators
output, the SP PRO will add its power to the generator. When the site loads are reduced, the SP PRO will
return to battery charging. The above operation happens automatically, whilst always maintaining “no break”
power to the site.
An SP PRO managed AC Coupled system is suitable for O Grid systems due to the superior battery
charging functions that are achieved by a sophisticated system control and monitoring communications link
between the SP PRO and compatible grid inverters.
INSTALLATION | Precautions and Safety
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Warning: If this equipment is used in a manner not specied by the manufacturer as contained
in this manual and other operational documents and Instructions, then the protection provided
by the equipment may be compromised.
Who should install this unit
The SP PRO is designed for easy installation and can be installed by any suitably qualied person.
The voltages produced within a power system are hazardous. Even though the SP PRO may derive its input
from a battery, the extremely high current capability of a battery bank is hazardous. Additionally the high
voltage battery banks (120V) used in the SPMC1201, SPLC1200 and SPLC1202 are hazardous and the
output and input AC voltage in all the SP PRO models is just a hazardous as grid electricity.
All AC connections and hazardous DC connections to the SP PRO must be carried out by a qualied
Electrical contractor or similar, failure to do so will contravene legal requirements.
All DC wiring must be carried out by a person experienced with DC electrical circuits and must understand
high current low voltage circuits. To ensure an ecient system installation, cable sizing and voltage drop
must be understood and the recommendations within this manual followed.
Selectronic Australia shall have no obligation as to any equipment which has been improperly installed,
stored, or handled, or which has not been operated or maintained according to this manual, nor for any
operating mistakes and consequences arising from them.
This product is not to be used for Life Support equipment
Protective Earth connection
It is critical that all protective earth connections made within the SP PRO use the
protective earth terminal. This is the earth terminal that is on the right hand side of
the AC terminals and marked with a earth symbol enclosed in a circle.
Multiple Hazardous Energy Sources
Hazardous voltages and energy are generated by the SP PRO, are fed into the
SP PRO by external wiring from multiple sources and are stored in capacitors after
the SP PRO is switched o and disconnected from external wiring.
Precautions and Safety
Chapter Two
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