Instruction Manual for
SP PRO
Interactive Inverter Charger
Operation • Installation • SP LINK • Service
Selectronic Australia Pty Ltd
© 2013
Suite 5, 20 Fletcher Rd
Chirnside Park VIC 3116
Australia
Ph +61 3 9727 6600
Fax +61 3 9727 6601
www.selectronic.com.au
OPERATION
Thank you for purchasing a Selectronic SP PRO series sine wave Interactive Inverter Charger.
Selectronic has an accredited Quality Assurance system to AS/ISO9001-2008 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 systems need to do more than provide power and control a generator.
• Inverters should be flexible enough to “multi task” i.e. the same inverter should be able to
run a remote area home, be suitable for mobile applications and be able to support the
mains grid and export power to the mains grid when it is surplus to requirements.
• Complexity should be a matter of choice. The inverter should be able to perform with
the minimum of configuration but still be capable of integration into the most advanced
energy system.
• Battery longevity is paramount. A combination of battery protection and the best
charging parameters are essential.
• Monitoring / configuration 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 can control, by time or power levels, water
pumping, equipment switching, scheduled events and even – with appropriate sensors –
determine if your soil in the garden is too dry and switch on a watering system. The possibilities
are endless; Your SP PRO is a complete Energy System.
The SP PRO is a remote area power supply in off grid areas, a mobile power supply in boats
and mobile homes and gird support in a solar hybrid system. All at the selection of one program
option.
Through a set of default parameters the SP PRO can simply be “hung on the wall” and work well
or have any of the many parameters individually adjusted.
Those same default parameters provide safe and efficient charging for most common batteries
along with provision to adjust for your individual battery pack.
SP LINK software program provided with the SP PRO has been designed with the user in
mind. No need to sift through menu chains – if you want to change a parameter relating to your
batteries click on “Battery”. If you want generator control click on “Generator”. Why was it ever
difficult?
If you have any comments about this document or your new SP PRO, please do not hesitate to
contact us via our web site www.selectronic.com.au.
We trust you will get many years of trouble free operation from your SP PRO.
Contents
Contents
O P E R AT I O N
Australian/New Zealand Warranty
Using This Manual
Included in this package
Benefits of SP LINK
Glossary of Terms
Precautions and Safety
Who should install this unit
Multiple Hazardous Energy Sources
Preparation
Installation
Maintenance
Inverter or Generator may start automatically
Battery
SP PRO System Integration
SP PRO Operation
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Solar Hybrid Support and Grid Feed Systems 10
Off Grid Stand Alone Power Systems (SPS) 11
Mobile Systems
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Battery Sizing
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Generator Sizing
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Multi Phase configurations
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Controls and Indicators
User Interface
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Battery Management
Battery State of Charge (SoC) monitoring and
control
Battery Voltage monitoring and control
Battery Charging Operation
Battery Charging Cycle
Battery Temperature
Renewable Management
Automatic Generator Control
Generator Control based on SoC
Generator Control based on Battery Voltage
Generator Automatic Stopping
Generator Scheduling
Manual Generator Control
Remote Run Input
Generator Fault Recovery
Operating Without the Generator
Inverter External Alarm
Environmental Considerations
Effects of altitude on the SP PRO
SP PRO Communications
Port 1 Setup
Port 2 Setup
SP SYNC Setup
SP PRO Modem Initialisation
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Contents
I N S TA L L AT I O N
Installing for PRO Performance
Preparation
Residual Current Device (RCD) Type
Recommendation
Solar Hybrid (On-Grid) Preparation
Off Grid Preparation
Mobile Preparation
Multi Phase Preparation
Battery Wiring Preparation
Installation of SPMC models
Battery Cabling Requirements
Fusing
DC Wiring
AC Wiring
Earth Wiring
SPMC1201 Expansion Card Warning
Current Shunt Wiring
Battery Temperature Sensor
Generator Control Wiring
Serial Port Connection
Gland Plate Fitout
Initial Start up Procedure
Labelling
Installation of SPLC models
Battery Cabling Requirements
Fusing
Primary DC Terminal Connections
DC Wiring
AC Wiring
Earth Wiring
Expansion Card Warning
Current Shunt Wiring
Battery Temperature Sensor
Generator Control Wiring
Serial Port Connection
Gland Plate Fitout
Initial Start up Procedure
Labelling
SP LINK
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Using SP LINK
Overview
System Requirements for SP LINK
SP PRO Firmware Version 7.0 onwards
Getting Started with SP LINK
HELP!
Preparing a new site
Saving a new site
Preparing a new configuration
Saving a new configuration
Connecting to your SP PRO
Configuring your SP PRO
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S E RV I C E
Service and Maintenance
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Troubleshooting
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Appendix A Specifications
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If fan filter cleaning is required:
Monitoring the Operation of your SP PRO
Maintenance of your SP PRO
Changing Configuration Settings
Restoring to Factory Default settings
System Shutdown
Operating When the Generator is offline
Installer Maintenance
System Maintenance
Service and Support
General
Off Grid Generator Start/Stop Problems
Inverter Start/Shutdown Problems
AC Power Problems
Battery Problems
Solar Hybrid (On Grid) Problems
Standards Compliance
Product Specifications
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OPERATION | Warranty and manual use
Australian/New Zealand Warranty
Your 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 your SP PRO
inverter.
If you have purchased your SP PRO outside Australia or New Zealand, please see the separate warranty
supplied by the authorised distributor in your country.
Maximum warranty duration is given when the SP PRO is installed by a Selectronic Accredited Integrator
and warranty registration is carried out on-line at.www.selectronic.com.au
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.
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 you and your integrator/installer follow all of the instructions set out in this document; failure to
do so may void your warranty and stop you from gaining the full benefits 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.
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.
INSTALLER
Contains information relevant to the installers from unpacking the unit to configuring
the settings of the SP PRO.
SP LINK
Describes the use of SP LINK software provided with your SP PRO. See the SP LINK
manual (contained in the SP LINK software) for Configuration Settings and Monitoring
details.
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.
You will notice that throughout the manual these 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 you in making full use of
your system or gives notice to information which may not seem immediately apparent
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OPERATION | This Package and SP LINK
Included in this package
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Mounting bracket
Rear Outlet Mesh Cover (SPLC models only)
Contents check list, 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)
SP LINK software, this manual and helpful information packaged on USB Memory device
USB Cable - Type B
Benefits of SP LINK
Provided with your SP PRO inverter is a free copy of the SP LINK software. Without SP LINK the SP PRO
will operate with the default settings which are the SP PRO in Off Grid mode using Sealed battery voltage
parameters and Automatic Generator Control based on battery voltage.
Using SP LINK software on your PC allows you to access the different operating modes of the SP PRO and
adjust the configuration parameters within the SP PRO to allow you to integrate the SP PRO into your energy
system.
SP LINK accesses a host of monitoring features allowing you to keep an eye on exactly what your system is
doing and how it is performing.
Your PC can be connected to your SP PRO via USB, RS232 serial port or Wireless (with optional adaptor) to
open the window to the full feature potential of your SP PRO Energy System
Glossary of Terms
DC Coupled systemWhere the Solar is connected to the DC side of the inverter system through a Solar
Controller.
AC Coupled systemWhere the Solar is connected to AC Side of the inverter system via a separate Grid Tie
inverter.
Solar HybridA battery based system that is connected to the electricity grid
AC SourceThe primary AC input that is connected to the SP PRO, e.g., Grid, Auto start Generator,
Shore Power.
Site FileAn SP LINK file that is set up for each SP PRO inverter to be connect to.
Configuration FileContains all the settings to be loaded into the SP PRO. This is normally linked to a site
file
Solar ArrayA collection of Solar Panels.
PV
Photo voltaic solar power
State of Charge(SoC) Referring to the battery charge condition. 100% SoC means a full battery.
Sealed BatteryA lead acid battery with no access to the electrolyte - either valve regulated or gel. No
hydrogen gas discharge during normal operation.
Flooded BatteryA lead acid battery with access caps for maintaining the electrolyte - replacing water
lost during recharge operations. Hydrogen gas discharged during normal recharge
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OPERATION | Precautions and Safety
Precautions and
S a fe t y
Chapter One
Who should install this unit
While the SP PRO is designed for easy installation and can be installed by any suitably qualified person,
to maximize the performance of your system and tailor the configuration of the SP PRO to your specific
needs we recommend you use a Selectronic Authorised Integrator. These selected professionals within the
industry have been extensively trained to analyse your system requirements, design ancillary equipment
and have access to specialist support within Selectronic to assist with your individual requirements.
The voltages produced within your 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 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 qualified
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 efficient 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
Multiple Hazardous Energy Sources
Hazardous voltages and energy are generated by the SP PRO They are fed into the SP PRO
by external wiring from multiple sources and may be stored in capacitors after the SP PRO is
switched off and disconnected from external wiring.
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OPERATION | Precautions and Safety
Preparation
Whilst every effort has been made to pack the SP PRO in a way that will provide adequate protection,
damage in transit can occur. Please carefully check the packaging and the SP PRO for signs of damage
and for all components mentioned in the “Included in the Package” section of this manual.
Please report any damage or missing parts to Selectronic or your Selectronic Authorised Distributor.
Please retain the original packaging for the safest and most effective method of repackaging if required.
Installation
• The SP PRO requires adequate ventilation, away from hot equipment. Do not obstruct the
airflow passage of the SP PRO case (top and bottom). Ensure when installed in an enclosed
space that there is adequate ventilation.
• The SP PRO must be located in a place away from electrolyte and corrosive aerosols.
• The SP PRO contains arcing contacts so must not be located near explosive gas mixtures
such as hydrogen from batteries or diesel fumes.
Maintenance
Ensure that all energy sources are isolated before working on connected wiring. The generator
may start or power may be restored by the SP PRO at any time. Never work on equipment or
investigate a problem without following appropriate safety isolation procedures.
Inverter or Generator may start automatically
The SP PRO automatically starts and/or restarts and may restore power or start the generator
at any time. If a fault or overload is detected the SP PRO will shutdown and may automatically
attempt to restart at varying intervals of up to several hours.
Battery
Batteries are very dangerous. Please read the safety information provided by the battery
supplier.
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Battery acid is dangerous.
Batteries can emit hydrogen gas, which is explosive.
Batteries connected in series can produce hazardous voltages.
Disconnecting a DC power connection (even on one battery cell) can cause dangerous high-energy DC
arcs, which can cause serious burns and eject hot particles, and can be difficult to extinguish.
• Disconnecting a DC power connection (even on one battery cell) can cause renewable sources to
produce large voltages (much larger than the battery voltage) on battery terminals and DC wiring. Such
voltages can be lethal. They can also damage the SP PRO. Only suitably trained and qualified personnel
should disconnect any DC power connection, including battery cell connections, and only with suitable
procedures and safety precautions.
• System battery voltages of 60 V or greater are to be treated as a hazardous voltage.
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OPERATION | System Integration
SP PRO System
I n t e gr a t i o n
Chapter Two
Your SP PRO Sine wave Interactive Inverter Charger can be used in a number of different
applications including Solar Hybrid (grid support / grid feed) systems, Off grid systems (SPS where no mains grid is available) or in mobile applications such as motor homes and boats.
Solar Hybrid Support and Grid Feed Systems
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 flow can be varied dependant on the time
of day, battery SoC or load demands allowing the maximum use of the renewable energy (such as PV solar)
whilst taking advantage of variable electricity tariffs. A Solar Hybrid system will allow you to only use grid
electricity when you choose.
By using the optional “Grid fail - Gen backup” module your SP PRO can be configured 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.
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OPERATION | System Integration
Off Grid Stand Alone Power Systems (SPS)
The SP PRO is the heart of your power system. It quietly provides AC power from the battery bank and
renewable sources. By using SP LINK the SP PRO can be configured 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 efficiently handle. These features, when correctly configured, will
increase your battery life and reduce your 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.
The SP PRO charges the batteries in five stages (Initial, Bulk, Absorb, Float and Equalise) to ensure
maximum energy is returned to the battery bank in the shortest possible time. The SP PRO will periodically
perform an equalise charge after the completion of the normal charge cycle to keep the battery bank in
good condition.
The charging parameters are automatically compensated by the battery temperature. It is important that
the included battery temperature sensor be fitted to the battery bank and that the temperature is reading
correctly for the most accurate and safe battery charging.
The SP PRO can supply short-term peak power much larger than its continuous load rating to start loads
with a high peak starting demand for example water pumps and welding machines.
To minimize battery drain at very low load, the SP PRO can be configured to go into Power Save mode
(SPMC240, SPMC241, SPMC481 and SPMC482 models only). The SP PRO will automatically switch to and
from Power Save mode when the unit senses sufficient AC load.
The SP PRO has provision for two current shunts to monitor DC renewable power sources and DC loads
connected to the battery bank. This allows the SP PRO to account for all DC sources and loads ensuring the
batteries are correctly charged. The SP PRO measures its own DC current internally.
A KACO / SP PRO managed AC Coupled system is suitable for Off 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 KACO units.
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OPERATION | System Integration
Mobile Systems
The SP PRO can support either an on board generator (Primary AC Source) or shore power(Alternate AC
Source). Both input power levels can be configured into the SP PRO and selected with an external switch.
Battery Sizing
Sufficient battery capacity is imperative for optimum operation of your system. Working out the correct
battery pack size that will suit your needs involves a number of factors including the daily discharge
required for your system. A rough “rule of thumb” is to start with the expected daily energy required from
your battery bank (in kilowatt hours or kWh) and multiple this by 1000. Divide the result by the nominal
system voltage to determine the required usable Battery Amp Hours. This is then divided by the daily
percentage (%) discharge you wish to take from your battery.
Example 1 - Off Grid Stand Alone
In this example the daily energy is 5 kWh per day, the system battery voltage is 48 V and the daily battery
discharge is 20% (to allow cloudy days).
5 x 1000 .
= 5000/48/0.2 = 520 amp hours battery capacity is required
48 x 20%
Example 2- Solar hybrid tariff optimization
In this example the daily energy is 12 kWh per day, the system battery voltage is 48 V and the daily battery
discharge is 50% (daily recharge from Solar and off peak power).
12 x 1000 .
= 12000/48/0.5 = 500 amp hours battery capacity is required
48 x 50%
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OPERATION | System Integration
Generator Sizing
Your SP PRO can be configured to accommodate almost any size of generator; however a generator that
is either too small or too large for the system may result in inefficient operation and a higher running cost. A
well sized, good quality generator will supply all your normal loads and have enough in reserve to use the
capacity of your SP PRO to charge batteries. Remember that when the generator is running the quality of
power produced by the generator will be feeding through to your AC Loads.
Example
If your usual load is around 2 kW and you are using a SP PRO SPMC481, a generator capable of providing
8 kW (10 kVA at 0.8 power factor) would be an appropriate choice. Your Selectronic Authorised Integrator
will be able to advise you in this matter.
Multi Phase configurations
By combining multiple SP PRO inverters into the power system, configurations to suit either dual phase
(using 2 SP PRO inverters) or three phase (using 3 SP PRO inverters) can be realised. Multi phase
configurations are suitable for both Solar Hybrid (grid connected) or Off Grid applications.
Dual phase configurations are used in power systems supplied by 480V split phase power normally used on
SWER (Single Wire, Earth Return) lines.
Three phase configurations are suitable for use in power systems supplied by standard three phase power.
For more information refer to the document “IN0016_xx 004573 SP PRO 3 Phase Installation” found on the
USB stick supplied with this inverter or visit the support page on the Selectronic web found site at
www.selectronic.com.au.
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OPERATION | Controls and Indicators
Controls and
I n d i c a to r s
Chapter Three
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User Interface
The following page is a list of the SP PRO control and indicators which correspond to the labelled image
above.
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OPERATION | Controls and Indicators
1 AC Source *
When illuminated,this shows the presence of AC supply
voltage from either a motor generator or the mains grid,
whichever is applicable. This is powered directly from the
incoming AC supply.
2 Transfer *
Illuminated when an external AC supply is connected
through to the AC LOAD output. If AC SOURCE is
illuminated but not TRANSFER, it would generally indicate
that the AC supply is out of sync tolerance – either the
voltage or the frequency is beyond the set limits. If the AC
supply is a motor generator, check if it needs servicing;
if the mains grid, check with your supplier for a problem,
or for either, that the set limits are suitable. It is normal
operation for this to flicker slightly.
3 AC Load *
When illuminated, this shows the presence of AC voltage
ready to supply loads. This is powered directly from the
inverter AC output or AC supply.
* These indicators will operate without any
DC connection to the SP PRO. An external
AC supply will activate the AC bypass and
illuminate these indicators.
4 Output Mode status
Off
SP PRO is disconnected from Battery supply. AC bypass only.
Slow flashing Yellow SP PRO is Idle (off) - Monitoring and logging but no inverter AC
output.
Steady Green
The SP PRO is On.
Slow Flashing Green SP PRO Econo mode is active and is sensing load conditions.
Fast Flashing Green SP PRO is preparing to start.
Steady Red
Indicates that a Fault has been detected and no inverter output is
possible.
Flashing Red
Indicates an open circuit or poor battery connection and no inverter output is possible.
5 ON Button
A Long Press (>1 second) - turns the SP PRO On,
another long press SP PRO reverts to Idle.
A Short press (<1 second) - activates Econo mode.
6 Export
In grid connected systems, indicates that the SP PRO is
feeding power: On, renewable exporting to the grid and
supply AC Load; Flashing, supplying the AC Load.
7 Silence ALARM button
The Silence Alarm button cancels any audible alarm. This
does not remove the alarm, just the audible component.
8 ALARM indicators
overtemp
Yellow SP PRO is approaching an over temperature situation
Red SP PRO has shutdown due to an over
temperature situation
Shutdown
Yellow
SP PRO is approaching a shutdown situation
Red
SP PRO has shutdown
ATTENTION
Off
Normal
Yellow
Attention Required
Fan Service Request
Flashing Yellow Clean Fan or Fan Fault
Capacitor Service Request
Red
Immediate Attention required
Flashing RED
Unit Fault
See Attention Required in SP LINK Data View - Now section
to determine specific reason for the attention indicator.
9 battery “fuel” Gauge
These represent either the battery voltage or State of
Charge (SoC). By default, battery voltage is indicated.
All indicators on green indicate Float or higher voltage.
If just the bottom indicator is on red, battery voltage is
approaching the SP PRO Shutdown voltage.
If your SP PRO has SoC Control enabled, these will
represent the percentage of usable charge remaining in
the batteries. Usable charge is defined from 100% SoC
down to the Shutdown SoC parameter.
Top Indicator
Flashing RED
Bottom Indicator
Yellow
Red
Flashing RED
Instant Hi DC Voltage Shutdown
Low Battery
Low Battery Shutdown
Instant Low DC Voltage Shutdown
When all are flashing RED, inverter is in Low DC Shutdown
Override. In emergency situations, this override enables
the SP PRO to be forced to work beyond the battery
shutdown limits. The SP PRO will continue to operate at
reduced capacity until the battery can no longer supply
enough to keep the inverter and loads running. We remind
you, this emergency feature may damage your batteries or
connected equipment.
10 Charging mode
The Charging Mode panel indicates the present charging
mode being performed by either connected Charging
Source, or the stage that will be started when Renewable or
external AC supply becomes available.
11 Charging source
AC - On
External AC supply charging battery bank
Renewable - On Monitored renewable supply is charging
battery bank
DC Coupled renewable supplies must be monitored via an
external current shunt(s) to activate this indicator.
12 Generator Start/Stop button
A brief press of this button (<1 second) will start or stop the
generator..
13 GENERATOR status
OffNo generator activity
Flashing GreenGenerator is in the process of starting
Steady GreenGenerator has started and is running
Flashing YellowGenerator is not available for auto start
Flashing RedThere is a generator fault
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OPERATION | SP PRO Operation
SP PRO
Operation
Chapter Four
The following section describes in detail the operation of the SP PRO. A good understanding of the
operation of the SP PRO and its parameters will enable you to configure the SP PRO to meet the system
design requirements.
The SP PRO Battery management continuously monitors the system operation. This monitoring allows
the SP PRO to ensure the batteries are correctly charged to maximise system reliability. The monitoring
includes any input from renewable sources (AC or DC Coupled) and any loads directly connected to the
battery bank.
The SP PRO uses a five stage temperature compensated battery charging system. This system gives a high
degree of flexibility so it can charge the multitude of battery types available.
Also incorporated are a number of “time of day” and “day of week” schedules. These schedules can be set
to meet the cheapest electricity rates or high load demands from grid or generator.
Battery Management
Please refer to the battery manufacturer’s documentation for recommendations regarding
settings for your particular battery. Inappropriate settings may have a detrimental affect on
your battery life and performance.
The SP PRO provides comprehensive battery management settings and control to allow a
charge regime to achieve optimal battery life.
SP PRO battery management features include:
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State of Charge monitoring and control.
Battery terminal voltage monitoring (Battery Sense) and control.
Charging initiated by battery state of charge and/or battery voltage.
Five stage charge cycle: Initial, Bulk, Absorption, Float (short term and long term) and Equalise.
Shutdown on low battery voltage, battery state of charge, or both.
Two stage Battery Temperature compensation of charging voltage based on battery temperature.
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OPERATION | SP PRO Operation
The SP PRO may be configured to use the Grid power or to automatically start the generator when a battery
charge cycle is required.
It is important that the battery manufacturer’s recommendation be adhered to for ongoing monitoring and
maintenance of batteries.
Battery State of Charge (SoC) monitoring and control
If you have enabled State of Charge control using SP LINK, you must ensure that all DC currents, other than
the inverter current, flowing in and out of the battery are being monitored on either or both of the two current
shunt inputs to the SP PRO. No current shunt is required to read the SP PROs current or any AC Coupled
supply as this is read internally. The resultant battery current is monitored to track the battery SoC which is
expressed as a percentage of the battery size set in the SP PRO (Battery Capacity). The accuracy of the
battery SoC is limited by a number of factors including the charge and discharge efficiency of the battery
bank and should only be used as an estimate.
To improve the accuracy of the battery SoC calculation, Peukert’s equation is utilised to provide a more
accurate discharge figure; whilst an adaptive algorithm is used to constantly update a “charge efficiency
index” which is used during recharge.
In an Off Grid system, the state of charge is used to automatically start the generator and supply the load
while any excess available generator capacity will charge the batteries. Different SoC levels can apply at
different times of the day to ensure the generator is only used when required.
In a Solar Hybrid system, the state of charge along with time of day and load demand is used to vary the
priority and direct the renewable energy to either power the AC load, recharge the battery bank and/or
export to the grid. This allows for the maximum use of the renewable energy (such as PV solar) whilst taking
advantage of variable electricity tariffs
Battery Voltage monitoring and control
The SP PRO measures the battery voltage both at the inverter and also directly at the battery bank using the
Battery Sense wiring (if installed). Sensing the actual battery terminal voltage (using Battery Sense wiring)
compensates for the effect of cable losses which, irrespective of charge or discharge currents, keeps the
battery terminal voltage within set limits.
Battery voltage can be used as an alternative to SoC to automatically start the generator and begin
charging the batteries. Different levels are used depending on the load on the system. When SoC control is
enabled, the battery voltage start or shutdown levels are used as a backup to the SoC control and would be
set so that the generator SoC control levels are reached before the battery voltage control levels.
Battery voltage is used to protect the system by shutting the unit down should the battery voltage go above
or below set limits. The shutdown limits must be set to higher than the maximum charge voltage and less
than the generator start limits. For the low voltage shutdown limits the SP PRO again employs different levels
depending on system load. The system will always attempt to start the generator before shutting the inverter
down due to low battery voltage or SoC.
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OPERATION | SP PRO Operation
Battery Charging Operation
The SP PRO charging system manages all charging sources in the power system giving priority as
appropriate to the renewable energy sources. This ensures that the renewable sources are used in the most
cost effective manner.
The SP PRO continuously monitors all charging sources to recharge the battery in a five-stage cycle.
Each stage or Charging Mode is controlled by voltage, current and time settings. These settings are fully
configurable using SP LINK and should not require changing after initial installation, unless some aspect of
the battery installation changes.
Each voltage setting is battery temperature compensated. The set values displayed do not change. See
Battery Temperature for details.
Battery charging MODE.
Read the following with reference to the Battery Charging Cycle graph on the following page.
Initial
The SP PRO charges at the initial charging current until the battery voltage rises to the initial charge voltage,
then holds this voltage for a set time before starting the Bulk stage. When in the Initial charge phase, the
Initial/Bulk indicator will flash.
Bulk
The SP PRO charges at the bulk charging current until the battery voltage rises to the bulk charge voltage,
then holds this voltage for a set length of time, before starting the Absorption stage. In Bulk charge mode,
the Initial/Bulk indicator will be steady ON.
Absorb
In the Absorption charge phase the SP PRO will charge at the absorb charge current until the absorb
charge voltage is reached. Once this voltage is reached, the SP PRO will carefully monitor the rate of
change of the charge current as set in the Absorb-Float transition setting.
When the Absorb-Float transition setting is met, the charge cycle will switch to Float and terminate an auto
start generator if connected. If an Equalise charge is pending, the Equalise charge cycle will now be
performed. The Absorption indicator will be steady on when in the Absorption phase.
Float
The SP PRO holds the battery voltage at the Float level and will provide up to the float current to maintain
the float voltage. The SP PRO will remain in this charge state until battery voltage falls below the Initial
Return level. If the SP PRO is still connected to an AC Source after 24 hours of Float, the charger will
transition to the Long Term Float voltage. Long Term float voltage will allow batteries to sit at a lower voltage
level indefinitely, reducing battery losses.
Equalise
Periodically, the SP PRO performs an equalise charge in which the battery is held at a higher voltage for a
period set in the Equalise window. This will help ensure all cells within the battery bank have an equal
amount of charge.
The equalise indicator will be steady on when in equalise mode and will flash when an equalise is pending,
that is the charger will perform an equalise after float stage is next reached.
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Battery Voltage
Battery Current
Charging
Stage
Initial
Initial Time
Initial
Voltage
Bulk Time
Absorption
Voltage
Absorb
Battery Charging Cycle
Charging
Bulk
Bulk
Current
Initial Current
Bulk
Voltage
Absorb
Current
Absorption
Time
Float
Voltage
(Equalise
)
Float
Equalise Current
Equalisation Time
Equalise Voltage
Time
OPERATION | SP PRO Operation
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OPERATION | SP PRO Operation
Battery Temperature
The SP PRO monitors the battery temperature via the sensor provided. The supplied battery temperature
sensor must be mounted in thermal contact with the centre of the side of the battery. If the sensor is not in
thermal contact with the battery bank the batteries will not be correctly charged. Check battery temperature
is reading correctly in the Temperature Control section of Technical Data in SP LINK.
The charge voltage set points are compensated by battery temperature. The default compensation applied
is -5.5 mV/°C/cell with zero compensation at 25°C.
e.g. Initial Voltage = 55.2, Battery Temperature = 26°C, No. Battery Cells = 24.
Compensated Charge voltage = 55.2 + ((26 - 25) x -0.0055 x 24)
= 55.07
Absorption Voltage = 57.6, Battery Temperature = 6°C, No. Battery Cells = 24.
Compensated Charge voltage = 57.6 + ((6 - 25) x -0.0055 x 24)
= 60.11
During all charge stages, the compensated charge voltage will not exceed Max Voltage Limit.
Compensation improves battery performance by preventing over or undercharging the battery and protects
against battery overheating.
The charge current is also limited by battery temperature. Battery temperatures above 45°C cause the
battery charger to reduce the charge current limit point. This will help also help protect the battery from
overheating.
Renewable Management
SOLAR HYBRID APPLICATIONS
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 flow can be varied dependant on the time
of day, battery SoC or load demands allowing the maximum use of the renewable energy (such as PV solar)
whilst taking advantage of variable electricity tariffs.
OFF GRID APPLICATIONS
In Off Grid and Mobile applications your SP PRO feeds renewable power to the AC load, and any excess is
stored in the battery for later use. If the battery is fully charged and all loads are being supplied, the excess
is wasted (the renewable power is reduced or disconnected by the external regulator). Such waste can be
reduced by tailoring your generator starting parameters to suit your individual site needs. See the generator
control parameters in Using SP LINK.
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OPERATION | SP PRO Operation
Automatic Generator Control
The SP PRO may be configured to automatically control a generator in either an Off Grid power system or
Solar Hybrid power system with generator backup (using the optional “Grid fail - Gen backup” module).
The generator may be automatically started by the SP PRO as required to supply the load and charge the
battery bank or be configured to allow manual control of the generator by the user. Generally automatic
control of the generator is recommended for daily operation.
The generator will only run in automatic mode if your SP PRO recognises that the generator is available for
automatic operation via a digital input to the SP PRO or can be permanently enabled via an installer setting.
As part of the installation, the SP PRO settings are configured to automatically run the generator to:
• Limit the depth of battery discharge, for maximum battery life.
• Deliver energy efficiently by supplying sustained large loads direct from the generator.
• Load the generator to the highest possible level while running, to efficiently convert fuel to electricity.
• Limit generator starting frequency, which would reduce its life and increase maintenance.
• Avoid noise by only starting the generator late at night for heavy loads or a deeply discharged battery.
In SP PRO Off Grid systems, the SP PRO automatically runs the generator for the following reasons:
• Battery conditions, in particular state of charge (SoC), require the generator to charge the battery
• Load conditions are such that the SP PRO ratings are exceeded or a sustained load is large enough to
efficiently load up the generator hence running the generator will be the most efficient method to supply
the load. For loads exceeding the generator rating the SP PRO draws power from the battery, adding its
power output to that of the generator.
• Time Schedules are set to regularly run the generator at times of expected peak loads or at other
convenient times
• The generator has not been run for the number of days specified in the Generator Exercise setting.
• Backup Schedules are set to run the generator in case of SP PRO shutdown to power vital equipment.
In SP PRO Solar Hybrid systems using the optional “Grid fail - Gen backup” module all of the generator
control functions as specified above are available during a grid outage.
Generator Control based on SoC
The SP PRO may be configured to start the generator to charge the battery based on the battery State of
Charge (SoC). This method of generator control is recommended to efficiently and reliably maintain the
battery charge.
The battery SoC is estimated by the SP PRO and displayed as a percentage of the battery capacity and
represented throughout this manual and in the menu system by the symbol SoC%.
A daily profile of preferred generator start times and battery charge levels may be configured to allow the
SP PRO to automatically start and stop the generator. The profile provides the flexibility to accommodate
for individual site characteristics such as renewable availability, usage patterns and generator noise
considerations.
Several SP PRO settings are configured to divide the day into four periods:
Night Assist: This is a period starting, typically about 5:00 or 6:00 pm. During this period the
generator is started if the battery is discharged below Start SoC% and will cease
at Stop SoC%.
SoC Normal: This setting applies at all times. If SoC falls below Start SoC% at any time the
generator will be started and will charge until Stop SoC% or for Generator Min
Runtime if Stop SoC% is reached before the minimum runtime has elapsed.
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OPERATION | SP PRO Operation
Renewable Assist:
If your system has been designed in such a fashion that the input from your
renewable sources (solar, wind or other source) will always be lower than your
usual daily power usage it is possible to start the day with a generator run period
that will make up the shortfall. This ancillary charge is determined by Start SoC%
and Stop SoC%.
Renewable Preferred: If, due to inclement weather, the input from your renewable sources is lower
than expected the generator will start at Start SoC% and will cease at Stop
SoC%.
Once the charging is completed the generator will stop unless the load or
schedules keep it running. The starting time for each of the periods can be set
via the Generator Auto Run menus within the AC Source tab. The battery state of
charge levels (Start SoC% and Stop SoC%.) are set by the installer at the time of
installation.
If a Generator Lockout period is used the generator will still start if the generator
lockout override On Low SoC limit is reached.
Generator Control based on Battery Voltage
The SP PRO will start the generator based on battery voltage. Normally these limits are not met as the SoC
control will have already started the generator unless SoC control has been disabled.
The generator will start at any time should any of the pre-configured limits be met. Generator Control based
on Battery Load
The SP PRO will automatically start and stop the generator based on the average battery power delivered
to the load over the time period of the limit. Two configurable settings determine the battery power levels at
which the generator will be started.
• 5 minute load - 5 minute average battery load
• 15 minute load - 15 minute average battery load
The generator will continue to run until the calculated average battery load power falls below all start limits
and all other stop criteria are met. It can take several minutes for the average battery load to fall below the
set limit once the loads have been removed.
Generator Automatic Stopping
The SP PRO will automatically stop the generator when it is no longer required for charging the battery or
supplying the load.
If the generator is automatically started in any of the prescribed periods the SP PRO will stop it after it
reaches Stop SoC% unless:
• A generator scheduled run is in progress
• The average battery load kW exceeds one of the configured start limits
• The minimum generator run time has not expired
• The remote run signal is active.
If the generator is automatically started in the Generator Lockout period, the generator will be stopped after
it reaches the Generator Lockout Override Stop SoC unless:
• The minimum generator run time has not expired
• A generator scheduled run is in progress.
• The remote run signal is active.
In SP PRO Solar Hybrid systems using the optional “Grid fail - Gen backup” module the generator will
automatically stop when the grid has been restored after a grid outage
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OPERATION | SP PRO Operation
Generator Scheduling
Two schedule types are available each with four configurable start and stop times.
Run Schedule For generator running intended to accommodate day to day peak load
periods. While the SoC method of generator control is recommended to
efficiently and reliably maintain the battery charge, generator schedules may
be used as an alternative generator control method or as an adjunct to SoC
control to cater for expected loads.
Unavailable Schedule For emergency generator running intended for use when the SP PRO is in a
shutdown state for an extended period due to some abnormal condition as
may be the case if the SP PRO is unattended for long periods. The backup
schedule will periodically run the generator to power vital appliances such as
refrigerator or freezer.
Setting Schedules
Both Run Schedule and Unavailable Schedule are configured by setting up to four start times and
associated Day or Days of week. For each start time a corresponding stop time must be set. If start/stop
time combinations should overlap in generator run periods the generator will continue to run through both
periods.
For Run Schedules, the stop time may be disabled. Disabling a stop time allows the generator to start
at the scheduled time and automatically stop on completion of a battery charge cycle and/or load power
requirements.
Note: Generator Schedules will override the generator minimum run time. Consider the
generator manufacturer’s recommendation regarding minimum run time when setting
schedules.
Manual Generator Control
The generator can be manually controlled via the generator local controls.
Note: To disconnect from a generator without supply interruption, before manually stopping the
generator it is advisable to open the Generator AC Circuit Breaker and wait until the SP PRO
no longer indicates transfer.
After the generator is stopped, close the Generator Circuit Breaker ready for the next generator start.
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OPERATION | SP PRO Operation
Remote Run Input
The Remote Run switch operates as follows:
• A switch closure longer than 0.5 seconds and shorter than 2 seconds causes the SP PRO to start the
generator. Another such closure stops it, else it is stopped automatically when the battery reaches full
charge and any sustained large load ceases. The switch is typically a non latching push button.
• A switch closure longer than 2 seconds causes the SP PRO to start the generator, and stop it when the
switch is opened. The switch is typically a latching toggle.
Regardless of how the generator is started (manually or automatically), while the generator is running the
SP PRO automatically charges the battery whenever sufficient generator power is available, and when fully
charged will hold the battery in float charge.
Generator Fault Recovery
If the SP PRO fails three consecutive times to detect significant generator voltage for one minute after a
generator start or, if voltage is detected but fails to synchronise for five minutes, a Generator Fault alarm will
be asserted. The SP PRO will then use the following sequence of generator start attempts:
•
After 15 minutes
•
After 1 hour
•
Daily, when any pre programmed SoC level is reached.
•
When any DC low voltage limit is reached.
A Generator failed to start will be logged each time a start attempt fails.
Note: To force the SP PRO to immediately restart generator, use the Generator button on the
front panel of the SP PRO to start the generator.
Operating Without the Generator
If a generator is not installed in the system then the following recommendations should be followed to
conserve energy and battery life:
• Turn on Econo Mode. The SP PRO will pulse the output voltage and only supply continuous voltage
when the load exceeds a defined limit. If present, renewable energy will recharge the battery.
• Switch off the SP PRO when ever possible to reduce the load on the battery, allowing the battery to
be recharged even by small renewable power.
• If the battery becomes heavily discharged, the SP PRO will automatically stop supplying AC
power to the load, to prevent battery degradation or damage. Switching on the Low Battery Override
function will restore power for a time at the expense of discharging the battery even more deeply.
Note: The SP PRO internal electronics are powered from the DC (battery) side, not from the AC
(generator) side. Therefore if the battery is excessively discharged, the electronics may not be
able to start up until the battery is partially recharged, from renewable power for example.
Inverter External Alarm
The SP PRO provides an alarm output which can be wired to an external alarm buzzer or light. A shutdown
alarm is indicated by a continuous ON condition and an alert alarm is indicated by a slow intermittent
ON/OFF condition. The SP PRO is in alarm state when shutdown or idle. The alarm relay is active in the
normal or no alarm state condition (i.e. use the NC relay contacts to run an alarm buzzer or indicator). Alert
conditions can be prevented from raising the alarm, via SP LINK.
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OPERATION | SP PRO Operation
Environmental Considerations
Temperature
Your SP PRO is designed for an ambient operating temperature between -20°C and 60°C, with a storage
temperature range between –20°C and 70°C.
AIR FLOW
For best performance ensure nothing impedes ambient air from being drawn in the bottom of the unit and
that hot exit air is vented away and doesn’t recirculate into the unit. Particular attention must be paid when
installed inside a cabinet or enclosure.
clearance from other equipment
A recommended clearance distance of 150 mm around all sides, top and bottom. Particular care must be
taken when mounting near other heat producing equipment.
Humidity Tolerance
Your SP PRO is designed to operate in a humidity range of 0 – 99% non condensing.
Ingress of Particles
Your SP PRO has been designed to meet IP rating 43 (Protected against solid objects larger than 1.0 mm /
protected against water falling as a spray at up to 60 degrees from the vertical) i.e. may be installed outside
under cover and is insect and vermin resistant.
Effects of altitude on the SP PRO
Altitude
(m)
Derating Factor
@ 40°C
0, sea level
1.00
1000
0.95
1500
0.90
2000
0.85
The power rating of the SP PRO should be compensated for the effects of altitude by applying the
appropriate derating factor. For example, at 2000 m above sea level, 6 kW x 0.85 = 5.1 kW. The altitude
compensated rating is still at 40°C.
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OPERATION | Communications
SP PRO
Communications
Chapter Five
The SP PRO provides two isolated serial communications ports for monitoring and controlling the SP PRO
and KACO devices. Each port has specific functions and are provisioned via different electrical interfaces
dependant on the application. Only one type of electrical interface per serial port can be used at any one
time.
Either port can be used to connect to SP LINK via a local PC or another communications device. The serial
ports can be used to connect to SP LINK simultaneously enabling the user and the installer to communicate
with the SP PRO at the same time to discuss system operation and performance.
Each unit is supplied with a suitable cable for connecting the SP PRO USB port to a Windows based PC.
Port 1 Setup
The SP PRO Port 1 is provisioned via the two external interfaces; an RS232 DB9M Serial connector and
a USB Type B interface. Port 1 is also available via one internal RS232 RJ45 Serial connector. Only one
interface may be connected to and used at any one time.
If one of the interfaces is being used and connection is required via another the unwanted
interface must be unplugged. Otherwise both interfaces will interfere with each other and
communications will not be established.
The USB port is the easiest to use and should be used for all local or Direct PC connections. The RS232
DB9M port is best used with a Bluetooth or zigbee Serial Adaptor(supplied separately) for a wireless local
connections to a PC. The internal RS232 RJ45 serial is used for other hard wired serial connections such as
a Serial to Ethernet adaptor for LAN and/or Internet communications.
SP PRO Port 1 by default is set to 57600 baud which provides the fastest connection and response times.
This rate is automatically detected by SP LINK and would only need to be adjusted to a lower baud rate
when using low signal quality remote connections.
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OPERATION | Communications
Port 2 Setup
The SP PRO Port 2 is provisioned via two internal interfaces; an RS232 RJ45 Serial connector and and
RS485 RJ45 Serial connector. Only one interface may be connected to and used at any one time. If one of
the interfaces is being used and connection is required via either of the other two, the unwanted interface
must be unplugged otherwise both interfaces will interfere with each other and communications will not be
established.
The internal RS232 RJ45 serial is used for other hard wired serial connections such as a Modem connection
or Serial to Ethernet adaptor for LAN and/or Internet communications. The internal RS485 RJ45 serial is
used for the Managed KACO AC Coupling communications link.
The RS485 communications link requires termination resistors at either end of the pair of wires. By default
the RS485 Termination switches are ON (located beside the RS485 connector) and can be left in this
position as the SP PRO is often at one end of the wiring.
SP PRO Port 2 by default is set to 9600 baud which provides the most reliable connection for modems and
Bluetooth connections. When set to RS485, the data rate for Port 2 is set automatically.
SP SYNC Setup
The SP PRO contains the SP SYNC interface on two RJ45 connections. This interface is automatically
activated when the SP PRO System settings are set for Multiple Phase. Both connection points are the
same and either or both can be used to link to the other SP PRO units in the Multiple Phase configuration.
SP PRO Modem Initialisation
You can initialise either a Netcomm V.92 modem or a Maxon “Next G” modem for use with the SP PRO
using the Modem Programmer in the “File” drop down menu. This programs the modem so it can be
connected to and work with the SP PRO. There is no need to program the modem connected to SP LINK at
the local PC.
In the Modem Programmer window, Select the modem model, the PC COM port it is connected to, and
the baud rate that the modem is to be programmed to. This baud rate must be the same baud rate of the
SP PRO Serial Port it will connect to.
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INSTALLATION | Installing for PRO Performance
INSTALLATION
Installing fo r
P R O Performance
Chapter Six
Many procedures covered in the INSTALLATION section of this manual have
inherent risks. Whilst the SP PRO is designed to be safe, including safety
features never before found in an inverter (such as Earth / Neutral bond
monitoring), the fact remains that the voltages connected to or generated within
the SP PRO are hazardous and potentially fatal. This very important point can
never be stressed enough.
Preparation
The selection of a suitable site and good preparation is essential in getting optimum performance from the
SP PRO.
SP PRO Inverter performance is dependant upon the environmental operating conditions, in particular ambient
temperature and ventilation. In addition safety aspects must be considered, such as:
• Restrict access to authorised personnel only.
• Consideration of maintenance of ambient temperatures to ensure performance within product
specification.
• Adequate ventilation, positioned away from heat producing devices and adhering to the minimum
clearances required for adequate heat dissipation.
Minimum 150 mm clearance from top, bottom and sides.
• In a covered location.
• Away from any explosive gas.
• Rodent Proof.
• Enough room to remove the cover.
• The provision of infrastructure for monitoring - example data cables
The SP PRO should be installed in a separate area to the battery system. The battery bank can emit
explosive gas(hydrogen) and this must be vented outside and away from the SP PRO. The battery system
should not be accessible by the user.
For Off-Grid and Solar Hybrid(On-Grid) applications it is recommended that the installation be in lockable area
with a separating partition or enclosure for the battery bank.
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INSTALLATION | Installing for PRO Performance
Residual Current Device (RCD) Type Recommendation
The SP PRO produces a low distortion sine wave output via 50/60 Hz isolation transformer. This topology
ensures that the output is sinusoidal and that their is no DC component associated with the SP PRO AC
supply, whether that be feeding a domestic load or exporting solar to the grid. Standard Type AC RCDs are
suitable for use with an SP PRO. Other types of RCDs may also be used with the SP PRO.
Solar Hybrid (On-Grid) Preparation
The intended application and use of the SP PRO must be well understood to allow the SP PRO to be
appropriately connected to the installation. How the SP PRO is wired into the switchboard is dependant
on whether all the installation’s loads or only essential loads are to be supplied by the SP PRO for tariff
optimization, self consumption or battery backup.
The following diagram shows AC wiring only and indicates the customer circuits; some of which are battery
back-up protected, some are grid supply only.
Attention must be paid to the Neutral conductor and connection through to the loads. The neutral conductor
connecting to the loads must be maintained such that operation of the inverter isolator would not alter the
bonding between Neutral and Earth.
The Neutral conductor must remain connected through to the loads and particular care should be taken with
the placement of RCDs. These devices open both Active and Neutral conductors thus the SP PRO must be
installed on the grid side of these devices.
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INSTALLATION | Installing for PRO Performance
Off Grid Preparation
The intended application and use of the SP PRO must be well understood to allow the SP PRO to be
appropriately connected to the installation.
The following diagram shows AC wiring only and indicates the generator connection and feed into the
Switchboard.
Mobile Preparation
When the SP PRO is to be installed in a mobile application (caravans, mobile homes and boats) the SP PRO
must be configured such that the maximum current rating of the plugable connection (wiring and plug) to
the AC Source is not exceeded.
For example, if the plugable connection for a caravan uses a 10 A rated lead and plug, the SP PRO must
be configured appropriately via SP LINK to prevent the current from exceeding this rating. In SP LINK the
Nominal AC Voltage may be set to 240 V and the Min AC Voltage tolerance may be set to -10% (216 V);
then in SP LINK the AC Source Power must be set to no greater than 216 x 10 = 2160 W, or 2.16 kW.
Multi Phase Preparation
For detailed information on preparing for a multi phase installation (in either a Solar Hybrid or Off grid
application) please refer to the document “IN0016_xx 004573 SP PRO 3 Phase Installation” found on the
USB stick supplied with this inverter or visit the support page on the Selectronic web found site at
www.selectronic.com.au.
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INSTALLATION | Installing for PRO Performance
Battery Wiring Preparation
Battery wiring to the SP PRO is common, regardless of the application.
The below schematic diagram shows the main battery isolator, battery sense isolator and included
temperature sensor.
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INSTALLATION | Installation of SPMC models
Installation of SPMC models
1 - Unpack the SP PRO onto a flat surface.
When removing the SP PRO from its
packaging carefully inspect for any damage
that may have occurred in transit. Damage
must be reported to your supplier immediately.
3 - Mount the SP PRO on the mounting plate
by first hooking the top of the inverter over
the projections on the mounting plate and
lowering it into position. Care should be taken
to observe Pinch Point warning. Secure the
bottom of the SP PRO to the mounting plate
with the transit bolt.
5 - Using the T15 torx driver remove the
terminal cover and expansion card(A) by
undoing the 2 screws.
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2 - Choose a suitable weight bearing and
temperature resistant surface to mount the SP PRO.
Max temperature is ambient +30 degrees C, max
weight is 45 kg. The display of the SP PRO should
be at eye level.
There should be no obstructions to the clear
passage of air. Use the 6 x M8 holes to mount the
bracket, if the SP PRO is being installed in a mobile
situation use the optional mobile mounting bracket.
4 - Remove the cover plate(A) by unscrewing
the two M5 Torx screws at the bottom of the
SP PRO.
6 - The lower gland plate can be removed
if required to give greater access to wiring
terminals using T20 torx driver. NB, side
screws need only be loosened.
INSTALLATION | Installation of SPMC models
7- Wiring must only be carried out by
suitably qualified installers and must adhere
to all relevant standards.
Detailed instruction for wiring the
SP PRO are contained on the
following pages. These MUST be
followed before proceeding with
installation.
8 - Important points
• Failure to fill any holes in rear gland plate
(A) or lower gland plate (B) will reduce IP
rating and compromise thermal design.
• Installation of the included battery
temperature sensor is imperative for the
correct and accurate charging of your
batteries.
Please bear in mind that installations
performed and signed off by a Selectronic
Accredited Integrator will benefit from
additional warranty cover.
9 - The SP PRO is ready to go.
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INSTALLATION | Installation of SPMC models
Battery Cabling Requirements
Minimum Recommended Copper Battery Cable Sizes
Total distance of one
conductor from the
SP PRO to the battery
terminals
Minimum Size Copper Battery Cables based on cable loss < 2%
( V90 or V-90HT insulation )
SPMC240
SPMC241
SPMC481
SPMC482
SPMC1201
<2m
50 mm2
70 mm2
50 mm2
50 mm2
35 mm2
2-5m
70 mm2
50 mm2 x 2
50 mm2
70 mm2
35 mm2
5 - 10 m
N/A
N/A
70 mm2
70 mm2 x 2
50 mm2
> 10 m
N/A - NOT RECOMMENDED
Battery Sense/Pre-charge
1.0mm2 or greater, double insulated (see note)
V90 or V-90HT insulated cables are required to be spaced apart by at least the diameter of the
cable. For cables with higher grade insulation, no spacing is required.
In a multi phase installation, the total battery cable rating is multiplied by the number of inverters
in the system. For example in a three phase installation using three SPMC482 inverters, the
minimum battery cable size with a length of 2m - 5m is 3 x 70 mm2 or equivalent
Note: Battery Sense / Pre-charge cable MUST be robust with solid insulation. DO NOT USE CAT5 or
equivalent cable.
Fusing
Recommended Battery Fuse Sizes
Product
Battery Fuse Rating (A)
SPMC240
SPMC241
SPMC481
SPMC482
SPMC1201
250
250
160
250
160
Battery Sense/Pre-charge
2A or greater (sized to protect wiring)
The DC Breaking Capacity (normally specified in kA at a maximum DC voltage) of the fuse
must be greater than the maximum DC Short Circuit current for the sites connect battery
system.
Failure to follow these recommendations may lead to loss of power.
In a multi phase installation, the total battery fuse rating is multiplied by the number of inverters
in the system. For example in a three phase installation using three SPMC482 inverters, the
battery fuse size is 3 x 250A = 750A
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INSTALLATION | Installation of SPMC models
DC Wiring
The SP PRO does NOT contain an internal fuse or DC breaker. The DC wiring must be fitted with
appropriate fusing or circuit breakers.
The fuse or circuit breaker must be located in a user accessible position and be in close proximity to the
battery system. The battery system must not be accessible by the user.
There are four DC wiring connections that should be made. B+ and B-, Battery Sense / Pre Charge and
optional MID point monitoring. The battery sense / pre-charge connections can be made with light duty
cable (1.0 mm2 or greater).
DC wiring should be fed through the appropriate gland and terminated into the correct terminals. Connect
the battery negative lead with the insulation stripped back 28 mm to the SP PROs Battery Negative screw
terminal. Tighten the hex screw with the driver provided. Repeat the same process with the positive battery
lead. Ensure that NO part of the wiring insulation is clamped in the SP PRO battery terminals.
Copper wiring must be used through out
Multiple Hazardous Energy Sources
DC wiring is fed from multiple sources including internal capacitors. Care must be taken
to ensure that under no circumstances can the user access or touch wiring even after the
operation of external circuit breakers or fuse assemblies.
AC Wiring
The SP PRO does NOT contain internal circuit breakers of fuses. The AC wiring MUST be fitted with
appropriate fusing or circuit breakers.
The AC cabling should be sized according to maximum demand through (consumed by the AC Load) and
simultaneously consumed by the SP PRO (consumed by the charging of batteries). The SP PRO is fitted
with terminals which are suitable for accepting up to 35 mm2 cables. The SP PRO is rated to 63 A current
capacity and must be protected externally with circuit protection device(s) of no greater than 63 A.
AC wiring should be fed up through the appropriate gland and terminated to the SP PRO.
Connect the AC load wiring to the SP PRO: earth stripped back 16 mm to the AC Load earth terminal,
neutral and active stripped back 12 mm to the AC Load terminals. Connect the AC source wiring to the
SP PRO: earth to the AC Source earth terminal, neutral and active to the AC Source terminals.
Copper wiring must be used though out.
Multiple Hazardous Energy Sources
AC wiring is fed from multiple sources. Care must be taken to ensure that under no
circumstances can the user access or touch wiring even after opening all circuit breakers.
Earth Wiring
The inverter shall be earthed to the installations Earth system. A minimum copper earthing conductor of
6 mm2 shall be used. See your local regulations for further information on earthing conductor size.
Earth the inverter by connecting earth wiring from the switchboard to the inverter Earth terminal. The
SP PRO is suitable for Multiple Earth Neutral systems.
Copper wiring must be used through out.
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INSTALLATION | Installation of SPMC models
SPMC1201 Expansion Card Warning
SPMC1201 models - Hazardous Voltage - 120 V Battery
Expansion card connects to both Hazardous and Safety Extra
Low Voltage (SELV) wiring. The connector and wiring to J4
(marked in RED) MUST be treated as Hazardous and be
physically segregated from other wiring connected to expansion
card.
Protective cover MUST be installed on the Expansion card.
Current Shunt Wiring
SPMC1201 models - Hazardous Voltage - 120 V Battery
Current shunts connections are both internally and externally connected to battery negative
terminal and MUST be treated as Hazardous. Double insulated sense cabling MUST be used.
DC Shunts must be installed into the battery negative lead. Ensure that the shunt ONLY measures the
renewable or other DC load current and not any current feeding to or from the inverter.
The sense wires for the externals shunts should be fed up through the appropriate gland and terminated to
the SP PRO expansion card. The sense cabling should be kept as short as possible. “CAT5” type cabling
or any multi conductor multi strand cable is suitable for shunt sense wiring. Remember that these small
cables are connected to battery negative and an inadvertent short circuit with either lead to battery positive
would short circuit the battery bank. It is recommended that both these wires be fused.
The polarity of these shunt sense leads is not important if they are configured to either “Load” or any of the
input selections, such as “Solar”; however polarity is important when using the shunt in “Dual” mode – that is
where the shunt is used for both input and output measurement to obtain a nett result.
In “Dual” mode, the sense leads must be connected correctly – expansion card shunt terminal 1A or 2A to
the solar and load side, 1B or 2B to the battery negative side.
Battery Temperature Sensor
SPMC1201 models - Hazardous Voltage - 120 V Battery
Battery temperature sensor is internally connected to battery negative terminal and MUST be
treated as Hazardous. Sensor cable is double insulated.
The battery temperature sensor is pre-wired to the expansion card and must be installed in thermal contact
with the centre of a side of a battery and insulated from external temperature effects for accurate charging.
If the cable provided is not long enough it may be extended. Polarity of the cable is not important.
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INSTALLATION | Installation of SPMC models
Generator Control Wiring
Generator control wiring should be fed up through the appropriate gland and terminated to the SP PRO
Expansion card. The minimum required is one pair of wires for a generator run signal which must be wired
to one of the four relay outputs. “CAT5” type cabling or any multi conductor multi strand cable is suitable
for all control wiring. The Expansion Card can be plugged in and out of the SP PRO for ease of wiring.
Serial Port Connection
The communication cable can be attached to either the USB or DB9 connections on the lower panel.
Gland Plate Fitout
To maintain the IP rating and safety approval of the SP PRO, all gland plate holes must be completely filled.
Gland plates supplied with the SP PRO have “knock outs” for your convenience. Please do not “knock out”
any unused gland holes and ensure all used holes have gland nuts (supplied) fitted.
Initial Start up Procedure
Before turning on the SP PRO double check all connections, paying particular attention to correct polarity.
Give each cable a firm tug to ensure it is securely fitted. If satisfied everything is well, attach the terminal
cover plate and insert and secure the expansion card.
SPMC1201 models - Protective cover MUST be installed on Expansion card.
Connect the battery sense / pre charge wires and wait until all indicators are lit and stable.
Connect battery cables
Press ON button (long press > 1 second) once. The AC Load indicator will be steady blue.
You can now start to use your SP PRO and switch on external AC circuit breakers.
Replace cover and secure with two screws from below.
Labelling
Regulations mandate the application of warning and control labels to the various circuit breakers, isolators
and switch boards in the installation.
The SP PRO in Solar Hybrid(On Grid) installations behaves like a UPS and will continue to provide power
to the load upon interruption of mains supply. Warning signs must indicate which circuits or switchboards
operate in this manner.
Doc #OI0003 Part #004122 Rev14 2013
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INSTALLATION | Installation of SPLC models
Installation of SPLC models
38
1 - Undo ten bolts (7/16“) to remove lid.
Cardboard tray contains mounting plate, rear
air outlet mesh cover and all documentation.
Inspect for damage in transit and report any to
your supplier immediately.
2 - Cable entry is either from below or wall
entry. Gland plates are inter changeable .
Gland plates secure to the underside of unit
base or to the inside of the mounting plate
using four T10 Torx screws.
3 - Choose a suitable weight bearing and
temperature resistant surface to install the
mounting plate. Max temperature is ambient
+30°C, weight is 115 kg. The plate should be
mounted at a convenient level.
There should be no obstructions to the clear
passage of air.
Wall or cavity cables may now be fitted
through gland plate.
4 - Undo 10 bolts (7/16“) to remove sides from
the packing base. Undo 8 bolts (7/16“) to
remove clamps from handles
HEAVY: Take care when lifting - 105 kg
SHARP: Use gloves - handle edges sharp.
TOP HEAVY: Secure unit when standing unit
upright.
Stand unit upright using handles.
REAR AIR OUTLET MESH COVER: Fit and
secure with six thumb screws
5 - Mount the SP PRO on the mounting plate
by first hooking the top of the inverter over
the projections on the mounting plate and
lowering it into position. Care should be taken
to observe Pinch Point warning. Secure the
bottom of the inverter to the mounting plate with
two M6 bolts provided.
6 - Remove the cover plate by unscrewing
two screws at the bottom of the SP PRO.
Expansion card remains secured to
SP PRO.
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INSTALLATION | Installation of SPLC models
7- Undo five T10 Torx screws to remove
terminal plate.
Note: Gland plate shown in wall entry cable
position.
Expansion card not shown for clarity.
8 - Wiring can only be carried out by
suitably qualified installers and must adhere
to all relevant standards.
Installations performed and signed off by a
Selectronic Accredited Integrator will benefit
from an additional warranty cover.
9 - STOP: Detailed instruction for wiring SP PRO contained on the following pages. These MUST be
followed before proceeding with installation.
10 - Important points
• Failure to fill any holes in the gland plates
will compromise IP rating and the thermal
design.
• Protective cover on Expansion Card MUST
be fitted.
• Installation of the battery temperature
sensor is imperative for the correct and
accurate charging of your batteries.
11 - Initial Switch On.
• Verify all connections are tight and correct
polarity.
• Battery Sense switch (under Expansion
Card) must be closed and pre charge
complete before DC Breaker will close.
12 - The SP PRO is ready to go.
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INSTALLATION | Installation of SPLC models
Battery Cabling Requirements
Minimum Recommended Copper Battery Cable Sizes
Total distance of one
conductor from the
SP PRO to the battery
terminals
Minimum Size Copper Battery Cables based on cable loss < 2%
(V90 or V-90HT insulation )
SPLC1202
<5m
50 mm2
5 - 10 m
70 mm2
> 10 m
NOT RECOMMENDED
Battery Sense/Pre-charge
1.0mm2 or greater. Double insulated (See note)
V90 or V-90HT insulated cables are required to be spaced apart by at least the diameter of the
cable. For cables with higher grade insulation, no spacing is required.
The maximum temperature rating of the cabling within the unit needs to be considered.
Maximum temperature with cabling space is ambient +30 degrees C.
In a multi phase installation, the total battery cable rating is multiplied by the number of inverters
in the system. For example in a three phase installation using three SPLC1202 inverters, the
minimum battery cable size with a length of 5m - 10m is 3 x 70 mm2 or equivalent
Note: Battery Sense / Pre-charge cable MUST be robust with solid insulation. DO NOT USE CAT5 or
equivalent cable.
Primary DC Terminal Connections
M8 copper lugs are required to connect battery wiring into the SP PRO. 70 mm2 lugs may need to be
reduced in width to fit within circuit breaker terminal.
Fusing
Recommended Battery Fuse Sizes
Product
SPLC1202
Battery Fuse Rating (A)
250
Battery Sense/Pre-charge
2A or greater (sized to protect wiring)
The DC Breaking Capacity (normally specified in kA at a maximum DC voltage) of the fuse must
be greater than the maximum potential DC Short Circuit current for the battery system.
Failure to follow these recommendations may lead to loss of power.
In a multi phase installation, the total battery fuse rating is multiplied by the number of inverters
in the system. For example in a three phase installation using three SPLC1202 inverters, the
battery fuse rating is 3 x 250A = 750A.
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INSTALLATION | Installation of SPLC models
DC Wiring
The SP PRO contains a 250 A DC circuit breaker and a low current Battery Sense / Pre charge DC switch.
It may be necessary to fit additional fusing or circuit breakers to protect the battery system. Any additional
fuse or circuit breaker must be located in a user accessible position and be in close proximity to the battery
system. The battery system is hazardous and must not be accessible by the user.
DC wiring should be fed through the appropriate gland and terminated to the correct terminals.
Battery B+ and B- connections. Connect the battery negative lead using M8 copper lug to the SP PROs
B- terminal. Tighten the hex screw including load washer with the 6 mm Allen key such that load washer
flattens. Repeat the same process with the positive battery lead. The terminal labelled “NC” provides no
internal connection.
Battery Sense / Pre charge B+ and B- and optional MID connections. These connections can be made with
light duty cable (1.0 mm2 or greater) - cable MUST be double insulated. Connect the battery negative lead
with the insulation stripped back 12 mm to the SP PROs Pre charge negative screw terminal. Repeat the
same process with the positive battery lead and optional mid point lead.
Copper wiring must be used through out.
Multiple Hazardous Energy and Voltage Sources - 120 V Battery
DC wiring is fed from multiple sources including internal capacitors. Care must be taken
to ensure that under no circumstances can the user access or touch wiring even after the
operation of external circuit breakers or fuses assemblies.
AC Wiring
The AC cabling should be sized according to maximum demand through (consumed by the AC Load) and
consumed by the SP PRO (consumed by the charging of batteries). The SP PRO is fitted with terminals
which are suitable for accepting up to 50 mm2 cables. The SP PRO is rated to 125 A current capacity and
must be protected externally with circuit protection device(s) of no greater than 125 A.
AC wiring should be fed through the appropriate gland and terminated to the SP PRO.
Connect the AC load wiring to the SP PRO: earth to the load earth terminal (strip length 18 mm), neutral to
the load neutral terminal (strip length 18 mm), and active to the Load Circuit Breaker (strip length 15 mm).
Connect the AC source wiring to the SP PRO.
Copper wiring must be used though out.
Multiple Hazardous Energy and Voltage Sources
AC wiring is fed from multiple sources. Care must be taken to ensure that under no
circumstances can the user access or touch wiring even after the operation of external circuit
breakers.
Earth Wiring
The inverter shall be earthed to the installations Earth system. A minimum copper earthing conductor of
16 mm2 shall be used. See your local regulations for further information on earthing conductor size.
Earth the inverter by connecting earth wiring from the switchboard to the inverter Earth terminal. The
SP PRO is suitable for Multiple Earth Neutral systems.
Copper wiring must be used through out.
Doc #OI0003 Part #004122 Rev14 2013
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INSTALLATION | Installation of SPLC models
Expansion Card Warning
Hazardous Voltage - 120 V Battery
Expansion card connects to both Hazardous and Safety Extra
Low Voltage (SELV) wiring. The connector and wiring to J4
(marked in RED) MUST be treated as Hazardous and be
physically segregated from other wiring connected to expansion
card.
Protective cover MUST be installed on the Expansion card.
Current Shunt Wiring
Hazardous Voltage - 120 V Battery
Current shunts connections are both internally and externally connected to battery negative
terminal and MUST be treated as Hazardous. Double insulated sense cabling MUST be used.
DC Shunts MUST be installed into the battery negative lead. Ensure that the shunt ONLY measures the
renewable or other DC load current and not any current feeding to or from the inverter.
The sense wires for the externals shunts should be fed through the appropriate gland and terminated to the
removable terminal block on the SP PRO expansion card. The sense cabling should be kept as short as
possible. Remember that these small cables are connected to battery negative and an inadvertent short
circuit with either lead to battery positive would short circuit the battery bank. It is recommended that both
these wires be fused. Fuses should be a sand filed type with suitable DC breaking capacity.
The polarity of these shunt leads is not important if they are set to either “Load” or any of the input
selections, such as “Solar”; however polarity is important when using the shunt in “Dual” mode – that is
where the shunt is used for both input and output measurement to obtain a nett result.
In “Dual” mode, the sense leads must be connected correctly – expansion card shunt terminal 1A or 2A to
the solar and load side, 1B or 2B to the battery negative side.
Battery Temperature Sensor
Hazardous Voltage - 120 V Battery
Battery temperature sensor is internally connected to battery negative terminal and MUST be
treated as Hazardous. Sensor cable is double insulated.
The battery temperature sensor is pre-wired to the expansion card and must be installed in thermal contact
with the centre of a side of a battery and insulated from external temperature effects for accurate charging.
If the cable provided is not long enough it may be extended. Polarity of the cable is not important.
Generator Control Wiring
Generator control wiring should be fed up through the appropriate gland and terminated to the SP PRO
Expansion card. The minimum required is one pair of wires for a generator run signal which must be wired
to one of the four relay outputs. “CAT5” type cabling or any multi conductor multi strand cable is suitable
for all control wiring. The Expansion Card can be plugged in and out of the SP PRO for ease of wiring.
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INSTALLATION | Installation of SPLC models
Serial Port Connection
The communication cable can be attached to either the USB or DB9 connections on the lower panel. Serial
communication connections are galvanically isolated from the battery.
Gland Plate Fitout
To maintain the IP rating and safety approval of the SP PRO, all gland plate holes must be completely filled.
Gland plates supplied with the SP PRO have “knock outs” for your convenience. Please do not “knock out”
any unused gland holes and ensure all used holes have gland nuts (supplied) fitted..
Initial Start up Procedure
Before turning on the SP PRO double check all connections, paying particular attention to correct polarity.
Give each cable a firm tug to ensure it is securely fitted. If satisfied everything is well, attach the terminal
cover plate.
Protective cover MUST be installed on Expansion card.
Switch battery feed on to the battery sense / pre charge and the main battery connection. Close Battery
Sense / Pre charge switch - under the expansion card - and wait until all indicators are lit and stable.
DC Circuit Breaker will not close until pre charge is complete.
Close DC Circuit Breaker.
Press ON button (long press > 1 second) once, AC Load indicator will be steady blue.
You can now start to use your SP PRO by turning on external AC circuit breakers.
Replace top cover and secure with two screws.
Labelling
Regulations mandate the application of warning and control labels to the various circuit breakers, isolators
and switch boards in the installation.
The SP PRO in Solar Hybrid(On Grid) installations behaves like a UPS and will continue to provide power
to the load upon interruption of mains supply. Warning signs must indicate which circuits or switchboards
operate in this manner.
Doc #OI0003 Part #004122 Rev14 2013
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SP LINK | Using SP LINK
SP LINK
Using
S P LINK
Chapter Seven
Overview
“SP LINK is the pathway to the real power of your SP PRO”
SP PRO is really many products in one. You can simply unpack the unit, mount it on a wall, connect the
appropriate cables – and you’ve got power using the following default settings;
• Off Grid
• AC Source size is equal to the power output of the SP PRO model you are using
• Sealed Batteries
• No State of Charge readings, voltage only.
To go further and unlock the true power of the SP PRO unit, you will need to load the SP LINK software
(found on the supplied USB stick) onto your PC computer. We strongly suggest these steps are done
before heading to the installation site.
This section of the SP PRO manual is an exsert from the SP LINK manual. For detailed
information on SP LINK, please consult the SP LINK manual found in the HELP menu within
SP LINK.
System Requirements for SP LINK
The system requirements include:
Performance Requirements:
• Microsoft Windows XP SP3 / Vista / 7 / 8 (not RT).
Other operating systems not supported.
• 30 MB hard disk space
• If Microsoft .NET 4.0 Framework is not already
installed then approx. 850 MB of additional disk space
will be required.
Performance VIEWER Requirements
• Microsoft Office 2003 or later
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• Adobe Reader - 100 MB hard disk space
• 1 GHz Pentium or faster processor.
• 512 MB RAM
• USB Port
SP LINK | Using SP LINK
SP PRO Firmware Version 7.0 onwards
This SP LINK manual details configuration parameters and options found in SP PRO firmware version 7.0
onwards. Some parameters are no longer supported and are not detailed within this manual. Please refer
to prior SP LINK manual for details of unsupported features.
SP LINK is fully backward compatible with all prior versions of SP PRO firmware.
Getting Started with SP LINK
You will find SP LINK and other helpful documents contained on the USB stick supplied with your SP PRO. It
is good practise to check at www.selectronic.com.au/sppro/splink.htm for the latest version of SP LINK.
After installing SP LINK onto your computer you can begin to use SP LINK. However, we do warn that to
achieve the best result from your system, configuration should be done by an experienced system designer.
For maximum warranty in Australia, you will need to employ the services of an SP PRO Accredited
Integrator. For full warranty terms and conditions please see the warranty supplied with your SP PRO
inverter.
To get started you do not have to be connected to an SP PRO inverter. Once you have installed SP LINK
onto your computer you are able to pre-configure and store the site information and SP PRO configuration
setting. These are then ready to transfer to the SP PRO inverter after it is installed.
When you first open SP LINK, the Splash screen will appear. Once SP LINK has loaded, the screen will
disappear. Click “Hide the screen on startup” to prevent the splash screen from displaying in the future. .
HELP!
You will see the How to Access Help guide.
By clicking “Continue” SP LINK will start. Again, clicking the tick box “Don’t show me this screen again” will
prevent this from being displayed in the future.
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SP LINK | Using SP LINK
When working with SP LINK you may require a refresher course on the function of some of the settings or
hints about the function of a screen. Simply right click most headings and tabs and a pdf copy of
the SP LINK manual will appear on the right hand side of your screen displaying the relevant section.
You can also access both the SP PRO manual(this document) and SP LINK manual from the Help menu at
any time.
Preparing a new site
SP LINK will open in the Site Information tab, you will need to enter information in the mandatory fields (with
red stars) including information under the “SP PRO details” tab It is not possible to proceed without setting
up and saving a site file.
Remember to right click any heading or tab for more information.
There is a large window on the right side of the Site Information page, click on this to place a photo of the
system in the site file. This may help in recalling details of the system at a later date. You may also wish to
put a picture of the customer here.
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SP LINK | Using SP LINK
It is also helpful to place photos of the various system components under the “Components” tab to assist in
the future system maintenance.
Under the Connection settings tab you will need to select the Connection Type method to connect to the
SP PRO. If you are simply going to plug your computer into the SP PRO then select Direct.
Login Password
A Login Password is required for connecting to the SP PRO. SP LINK can only connect through
to the SP PRO with the correct password. The default password is “Selectronic SP PRO”.
This is different to the setting passcode.
The Login Password only needs to be changed if you wish to prevent any connection to the SP PRO. This
is particularly important to secure the SP PRO against unauthorised monitoring or modification when the
SP PRO is remotely accessible via a Modem or Network connection type. Once connected, the default
password may be changed under Service Settings - See SP LINK Manual for details.
Saving a new site
All site information must now be saved.
To save the SP PRO site information, click on File - Site Information - Save.
As this is a new site you will need to choose a common place on your computer to store the site folder.
Other information about this site such as Performance Downloads and Configuration settings will
automatically be placed in this folder. The folder will have the same name as the site. Site files will be
named with a .SPLS extension.
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SP LINK | Using SP LINK
Preparing a new configuration
You can now start to prepare your Configuration. The SP PRO configuration is stored in a file within the site
file and contains all of the SP PRO settings for transferring into the SP PRO. This can be done after you
connect SP LINK to the SP PRO (see “Connecting to your SP PRO” ).
Click on the Configuration settings tab.
The SP PRO is a very advanced and intelligent product but don’t let the large number of settings concern
you.
The default configuration settings have been carefully considered and will be adequate in
most circumstances. The Flooded and Sealed lead acid battery defaults provide safe and
efficient charging for most common batteries.
There is a Quick Start section near the top of the page which contains the settings that need to be
considered for all applications.
The following table indicates the setting needed to be considered for each system.
quick start - settings needed for all systems
setting
Unit Application
configuration tab
Quick Start
Battery Type
AC Source
Quick Start
Quick Start
SoC Control
Quick Start
Battery Capacity
Quick Start
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comments
Set to Off Grid, On Grid (Solar Hybrid) or
Mobile
Set default battery voltage operating range
Maximum capacity of grid supply or AC
generator
Enable for battery State of Charge (SoC)
management
Amount of connected battery storage
SP LINK | Using SP LINK
The following tables have a minimal list of settings to consider for each particular application.
SOlar Hybrid (on grid) grid backup settings
setting
AC Source Disconnect Alarm
configuration tab
System
SoC Shutdown
Periodic Recharge
Inverter
Battery
comments
Enable to alert users that system is running on
battery supply
The grid backup battery limit point
Recharge self discharge losses in batteries
held in Float for long period of time.
SOlar Hybrid (on grid) grid backup plus solar settings
setting
AC Source Disconnect Alarm
configuration tab
System
SoC Shutdown
Periodic Recharge
Inverter
Battery
Shunt Name and Limits
KACO Link and Number
Shunts
System
comments
Enable to alert users that system is running on
battery supply
The grid backup battery limit point
Recharge self discharge losses in batteries
held in Float for long period of time.
For DC Coupled Solar
For Managed KACO AC Coupled solar
SOlar Hybrid (on grid) tariff optimiZation settings
setting
Shunt Name and Limits
KACO Link and Number
Grid Input and Export plus
Support and Charge Limits
configuration tab
Shunts
System
Solar Hybrid Control
comments
For DC Coupled Solar
For Managed KACO AC Coupled solar
The times and limits of grid supply and battery
SoC usage
configuration tab
Shunts
System
AC Source Generator Controller
comments
For DC Coupled Solar
For Managed KACO AC Coupled solar
Disable if manual start generator
off grid settings
setting
Shunt Name and Limits
KACO Link and Number
Generator Controller
For detailed information on all Configuration Settings, please refer to the SP LINK manual.
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SP LINK | Using SP LINK
Saving a new configuration
Your configuration settings should now be saved to file before sending them to the SP PRO.
To save the SP PRO configuration settings, click on File - Configuration Settings - Save.
The configuration settings will be saved in the same location as the site information saved in the previous
step. SP LINK will automatically use the default file name Config1 prefixed with the site name.
The configuration settings are now stored on your computer. The SP PRO can be configured with these
settings at any time once the computer is linked and connected to the SP PRO.
Connecting to your SP PRO
Plug the SP PRO into your computer with the supplied USB cable. The SP PRO will be automatically
detected by your computer and SP LINK. Please wait until this has occurred and will be indicated within
SP LINK showing both model and serial number under Connection Settings.
Now you can connect to the SP PRO.
Click the “Connect” button under connection settings
or in the Connection menu, click Connect.
Now SP LINK is connected through to the SP PRO. SP LINK will notify you if a connection is unable to be
established.
It is important to note that at this stage the SP PRO has NOT been configured with any of the setting
changes that you have made. The settings displayed are only on the computer at this point and have not
been copied into the SP PRO. This is performed in the next step.
SP LINK will notify you if the SP PRO you are connected to is NOT as detailed in the SP PRO Details.
SP LINK will also, if required, prompt you to update the time within the SP PRO from the computers time.
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SP LINK | Using SP LINK
Configuring your SP PRO
With SP LINK connected to the SP PRO, Click Configure SP PRO from the File - Configuration Settings menu
or from the Configuration Setting page.
SP LINK will - unless “Get SP PROs Configuration” has just been performed - warn that all settings will be
overwritten.
For security purposes, to ensure no-one can tamper with your SP PRO, you will now be asked to enter your
passcode.
The default passcode is 74, however you can alter this if you wish. See Service Settings in SP LINK manual.
Once you have entered your passcode click “OK”
SP LINK will verify passcode and configure the SP PRO with these changes.
SP LINK will indicate if for any reason the Configuration was unsuccessful.
You have now transferred all the Configuration Settings shown in SP LINK into your SP PRO. The settings
take immediate effect.
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SERVICE | Service and Maintenance
SERVICE
Service and
Maintenance
Chapter Eight
If fan filter cleaning is required:
1. Ensure fan is stationary
2. Remove the four retaining screws that hold
the fan filter in place.
3. Clean the filter mesh with a soft brush or
similar implement.
4. Replace filter and tighten the four retaining
screws.
All other maintenance on your SP PRO should be
performed by a Selectronic Accredited Integrator.
Above the fan filter is a safety grill. Do not remove this grill – fast moving fan blades can cause
injury
Monitoring the Operation of your SP PRO
The following items should be monitored on a regular basis:
• Battery Voltage - this should never be below the nominal system voltage - 24 V, 48 V or 120 V
• Battery SoC% - a high average figure will maintain good battery life
• The average daily energy supplied to the load (Load kWh/Day) is not exceeding the designed
system daily load.
• Performance Data Events.
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SERVICE | Service and Maintenance
Maintenance of your SP PRO
Very little is required in order to maintain your SP PRO, however following the steps below will ensure
smooth operation of the system.
• Cleaning. Large particles of dirt can be removed with a soft brush or similar implement. Dust can be
removed with a damp cloth. Solvents, abrasives or corrosive chemicals must not be used for cleaning.
• When the fan filter requires cleaning the Attention indicator will illuminate. Check in the NOW tab of the
Data View section to determine what type of service is required.
All other maintenance on your SP PRO should be performed by a Selectronic Accredited Integrator.
Changing Configuration Settings
The following is recommended when adjusting system settings:
• Save existing configuration file
• Change the minimum set of parameters at any one time then check for expected results.
• Save new configuration file.
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SERVICE | Service and Maintenance
Restoring to Factory Default settings
The following procedure will restore factory defaults - Off Grid, Voltage Control mode - with the choice of
either flooded or sealed battery voltage defaults.
•
•
•
•
Set SP PRO in Idle mode with a long press of the ON button (AC Load Indicator OFF)
Press and hold buttons B as shown, all indicators will go off.
Whilst continuing to hold B, press C to select from following options Green = Flooded batteries
Red = Sealed batteries
Off = Factory default settings will NOT be restored and with no change to any setting
Release all buttons, wait 10 seconds until display is stable.
• Factory Defaults as selected have been restored.
System Shutdown
Your integrator will provide detailed Shutdown and Restart instructions specific to your installation.
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SERVICE | Service and Maintenance
Operating When the Generator is offline
If the generator is not available (maybe due to maintenance or breakdown) then the following
recommendations should be followed to conserve energy:
• Turn on Econo Mode. The SP PRO will pulse the output voltage and only supply continuous voltage
when the load exceeds a defined limit. If present, renewable energy will recharge the battery.
• Switch off the SP PRO when ever possible to reduce the load on the battery, allowing the battery to
be recharged even by small renewable power.
• If the battery becomes heavily discharged, the SP PRO will automatically stop supplying AC
power to the load, to prevent battery degradation or damage. Switching on the Low Battery Override
function will restore power for a time at the expense of discharging the battery even more deeply.
Note: The SP PRO internal electronics are powered from the DC (battery) side, not from the AC
(generator) side. Therefore if the battery is excessively discharged, the electronics may not be
able to start up until the battery is partially recharged, from renewable power for example.
Installer Maintenance
Other than ensuring all AC and DC connections are always tight, there are only three areas that may require
maintenance.
• Fan Alert – This can be checked in the “Now” tab of the “Data View” section. A fan alert generally
indicates that the fan is stationary when it should be running. This will mean that either the fan needs
replacement or that a foreign body is stuck in the fan. Either situation is unlikely as the SP PRO is
protected against pest infestation and the fan life monitor should predict fan failure.
• Fan Life is recorded in the “Technical Data” section of the “Data View” tab (see below). Fan life is
expressed in the percentage of fan life used i.e. The figure starts at 0% and rises the longer the fan runs.
As fan life is projected to be in excess of 40,000 hours quite a high percentage of fan life can be used
before replacement is necessary.
• Capacitor Life is measured on both halves of the power module and is expressed, as before, in
percentage of life used. The power module should be replaced when capacitor life, in either half,
reaches 95%.
There are no user serviceable or replaceable parts within your SP PRO. Any maintenance,
other than fan filter cleaning, should be performed by a Selectronic Authorised Integrator.
System Maintenance
Your Selectronic Accredited Integrator will advise you of the maintenance required for the balance of your
system components.
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SERVICE | Troubleshooting
Troubleshooting
C h a p t e r Ni n e
Service and Support
In the event that you require support or have questions regarding the operation of your SP PRO, please
contact your Accredited Integrator. Your Accredited Integrator has direct knowledge of the system
components, the load profile and SP PRO configuration which affect the behaviour and operation of the
SP PRO. Accredited Integrators have been trained in the operation of the SP PRO and the configuration of
the units to meet the requirements of each installation.
The SP PRO contains a very large amount of Performance Data to allow troubleshooting of any system or
inverter issues, most are NOT an inverter failure. If your power system is not functioning as required then
your system designer should review the Performance Data stored within the SP PRO. See the Using SP
LINK and Performance Monitoring section within the SP LINK manual for further information. Using the
Performance Data Viewer within SP LINK, every aspect of the system and SP PRO can be analysed. If
required, Selectronic can provide a second opinion (charges may apply) of the Performance Data.
If ATTENTION indicator is on or flashing then connect to the SP PRO with SP LINK and check the “Attention
Required” panel in the Data View - Now section. Here you will find in plain English the reason for the
Attention indicator. See the Performance Monitoring section in the SP LINK for further information. You can
also refer to Controls and Indicators section for indicator meaning.
Further information can be found at www.selectronic.com.au/support
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SERVICE | Troubleshooting
General
If the system is not operating correctly, perform a
general check as follows:
• Check if the front panel “Alarm” indicators show
a problem, and take the recommended action
as described in “Attention Required” section of
the “Now” tab of “Data View”.
• Switch the SP PRO to Idle via the push button
for a few seconds then back on. If this does
not restore normal operation, check the
Performance Data Events for a cause.
Off Grid Generator Start/Stop Problems
Daily patterns of generator operation will change
as the load supplied each day changes and as
any renewable input such as solar increases or
decreases from day to day or season to season.
Using SP LINK check the “Generator Running
Reason” section of the “Now” tab of the “Data View”
section.
If the reason does not seem to relate to what is
actually happening in your system consult your
Selectronic Authorised Integrator.
If the generator runs more often than
normal or expected:
There are several possible causes:
1. The system average load has increased:
Using SP LINK check the “7 Day Daily
Average” figure in the “AC Load Energy”
section of “AC History” within the “Data View”
tab and compare it with the value displayed when
the system was operating satisfactorily.
Using SP LINK compare the “7 Day Daily
Average” figure in the “AC Load Energy”
section of “AC History” within the “Data View”
tab against the system design value which should
have been supplied by the installer.
If loads have significantly increased, identify any
new electrical equipment that has been added
2. The system peak loads are very high:
Using SP LINK check the Power and the
Power (5 min average) in the AC Source
area in the Now tab of the Data View section
while operating any new appliance that has been
added to the system. The associated On 5 Load
power and the On 15 minute load power setting
in the Generator Auto Run tab may need
adjustment by your integrator.
3. The load during late night and early morning
periods is higher than expected but not
high enough to keep the generator running
permanently. There may be multiple starts and
stops as the battery becomes discharged and is
partly recharged:
Increase the generator minimum run time to
increase the amount of battery recharge before
stopping, hence reducing the number of starts
and stops.
4.The battery is not operating correctly.
If the generator runs longer than normal or
expected:
This is generally because system load has
increased or the renewable input from solar has
decreased. It could also be because the battery
efficiency has fallen off with age or cell failure in
the battery.
Use the Performance Data Events to establish
load levels and reasons for generator starts and
stops.
Use the Data View menu to check measured
values, particularly the accumulated battery
energy in and energy out totals. These will have
to be compared over a week to see the change in
the accumulated values.
The SP PRO may be performing an Equalise charge
which can take some hours to complete; check if
the Equalise indicator is illuminated.
There may be a sustained load on the system.
Check to see that appliances have not been left
on. The Now, Today and AC History sections of the
Data View tab provide information regarding the
load power.
Check the generator schedule settings.
If the generator restarts a minute or so after it last
stops then the battery is discharged, the battery
volts are low, or a load is present. Check the
Now section of Data view to see the Generator
Running Reason. You can shut the generator
down permanently by setting the generator to NOT
available, or Generator Controller to Disabled.
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SERVICE | Troubleshooting
Inverter Start/Shutdown Problems
SP PRO will not Start
If the indicators remain dark when the SP PRO is
switched on it is likely that DC power is not present.
Check that the main battery fuse is closed. Retry the
procedure, if it continues to fail contact your supplier
for further instructions.
If the SP PRO starts with the Shutdown indicator
illuminated, check the reason in the Attention Required
window in the Now tab in Data View area of SP LINK.
Record the reason indicated and contact your supplier
for further instructions.
SP PRO Shuts Down
Whenever the SP PRO shuts down, it attempts to
restart periodically.
The SP PRO shuts down automatically for the following
conditions, which should be investigated:
• Overload
• DC over-voltage and under-voltage
• Excessive battery discharge
• Over-temperature
Check if the SP PRO front panel Shutdown indicator
is illuminated and check the reason in the Attention
Required window in the Now tab in Data View area of
SP LINK, record the reason indicated and contact your
supplier for further instructions.
AC Power Problems
If the power fluctuates, lights go bright or dim but don’t
go out.
• Check the SP PRO front panel indicators and
Performance data for information on the cause.
• The generator output may be varying due to poor
generator condition or switching on and off heavy
loads. Check the generator voltage reading via
SP LINK.
• The SP PRO output may be varying due to starting
very heavy loads. Check the output voltage
reading (AC Load Voltage) via SP LINK.
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If the power goes off for short periods (1 second to a
few minutes)
• Check the SP PRO front panel indicators and
Performance Data for information on the
cause.
• The SP PRO may be in Power Save mode and
the load is too small to detect. In this mode
the SP PRO pulses the output until a load is
detected. Check the Econo Power Level in
SP LINK.
• The SP PRO may be shutting down due to
overload or low DC voltage and periodically
attempting restarts. If the SP PRO is shutting
down switch off any heavy loads that may
be causing the shut down. If the SP PRO is
shutting down due to low DC voltage, check
generator availability and reasons for the
generator not starting such as flat start battery
or no fuel
If the power goes off for longer periods (10 minutes to
many hours)
• Check the SP PRO front panel indicators and
Performance Data for information on the cause.
• Check the Attention Required window in the Now
tab in Data View section of SP LINK to see if a fault
is indicated and contact your supplier for further
instructions.
SERVICE | Troubleshooting
Battery Problems
Batteries are very dangerous. Please read
the safety information provided by the
battery supplier.
Battery does not charge properly
• Check that the battery charging requirements are
correctly set up in the SP PRO.
• Check that the solar regulator is correctly set up.
• Check all cables and connections to the batteries.
If the solar does not appear to be doing much, the solar
regulator may be set too low. Check indicators and DC
History in SP LINK.
If the battery is not operating correctly:
• Physically inspect the battery and check for loose
connections. Monitor the battery voltage as heavy
loads supplied by the SP PRO are turned on and off.
• Check the voltage on each battery making up the
battery bank to see if there are cells not fully charged
or not accepting charge. Measure voltages on each
cell/battery at different times in the charge discharge
cycle. Just after charge has started say after 10
minutes, in mid charge, just before end of charge,
ten minutes after discharge starts, mid discharge
and just before recharge starts.
Solar Hybrid (On Grid) Problems
Grid Available but I loose power
• The likely cause is the SP PRO has disconnected
form the grid due to high voltage or frequency,
leaving the site to operate from the limited battery
storage. To resolve, widen the “Sync Tolerance”
parameters or contact the electricity supplier.
DC Coupled solar system that doesn’t export
as expected
• The likely cause is the Solar Controller (external
device to the SP PRO) is restricting the flow of power
from the PV array. To resolve, make sure the Solar
Controller float charging set point is ~ 1 V higher
than the SP PRO Float stage set point.
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SERVICE | Appendix A - Specifications
Appendix A
Specifications
Appendix
Standards Compliance
AS62040.1.1-2003 Uninterruptible power systems (UPS) - General and safety requirements for UPS used in operator access areas
AS/NZS 61000-6-3:2007
Electromagnetic Compatibility (EMC) - Part 6-3: Generic Standards Emission Standard For Residential, Commercial And Light-industrial
Environments
AS/NZS 61000-6-4:2007
Electromagnetic Compatibility (EMC) - Part 6-4: Generic Standards Emission Standard For Industry
AS 4777.2-2005
Grid connection of energy systems via inverters - Inverter requirements
AS 4777.3-2005
Grid connection of energy systems via inverters - Grid protection
requirements
C-tick Australia
Product Specifications
Note: Selectronic reserve the right to change specifications without notice.
All ratings are at 25°C and nominal battery voltage unless otherwise stated. The product is
specified to a maximum altitude of 2000 metres.
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SERVICE | Appendix A - Specifications
SP PRO SERIES SPECIFICATIONS
Nominal batter voltage
Continuous, output power
Continuous, charge current
Continuous grid export power
20 second load rating
20 second output current
1 minute output power
60 minute output power
DC input voltage range
@ 25°C
@ 40°C
@ 40°C
@ 40°C
SPMC240
SPMC241
24 V
3,000 W
125 A
24 V
4,500 W
188 A
7,500 W
28 A
5,400 W
3,200 W
20 - 34 V
10,500 W
40 A
7,600 W
4,700 W
20 - 34 V
SPMC481
TRANSFER SWITCH (Synchronous)
AC transfer current capacity
Max AC input source, (generator/grid)
Max total output to Load, AC source + inverter
AC transfer time
If grid fails
Battery charger type
Efficiency
DC consumption idle
DC consumption standby (Econo Mode)
ON with no load
Peak efficiency – all modes
10% load
20% load
50% load
100% load
Dimensions (mounted) W x H x D
Weight
Standards
Grid Protection
Protection
120 V
20,000 W
166 A
18,000 W
70 A
13,000 W
8,000 W
100 - 170 V
44,000 W
180 A
30,000 W
24,000 W
100 - 170 V
63 A
15 kVA
125 A
30 kVA
15 kVA
30 kVA
6W
25 W
95%
90%
92.5%
94%
90%
33 W
95%
90.5%
93%
94.5%
91%
n/a
35 W
95.5%
91%
94%
95%
92.5%
43 W
96%
91%
94%
95.5%
93%
43 W
96.5%
91.5%
94%
96%
93.5%
90 W
97.4%
94.8%
96.8.1%
97%
95.5%
210 to 240 V +/- 0.5%
<1% droop 0-100% rated load (<2% @ 150%, <5% @200%)
<3% @ 0-200% rated load
50 or 60 Hz +/-0.005% standalone
AC SOURCE (input)
Nominal voltage
AC current (Recharge, Bypass & Normal
modes)
Tolerance on nominal voltage
Nominal input frequency
Tolerance on nominal frequency
Generator can be started by
SP LINK configuration and monitoring software
SPLC1202
120 V
7,500 W
63 A
12 - 20 W
THD
Frequency
Digital Inputs
Shunt Inputs
Analogue Inputs
Relay Outputs
Digital outputs
Communication ports
Memory retention of settings & data
SPMC1201
no-break
0 - 0.03 seconds
Temperature compensated, 5 stage, power factor corrected with dual stage float
AC OUTPUT (standalone)
Range
Regulation
Features
Battery temperature sensor
Mid point battery voltage sensing
Front panel display and controls
SPMC482
48 V
48 V
5,000 W
7,500 W
104 A
156 A
rated output
12,000 W
18,000 W
47 A
70 A
8,700 W
13,000 W
5,300 W
8,000 W
40 - 68 V
40 - 68 V
240 V~
63 A
125 A
Configurable 204 to 264 V~
50/60 Hz
Configurable +/- 1% to 10%
Battery SoC, DC voltage, battery load, unit temperature, time & remote control
Included
Included
22 x LED indicators with auto adjusting intensity.
Display indicates, charger status, remaining usable battery capacity, alarms, AC status.
AC status indicators powered from AC voltage.
Generator control button. On button. Silence Alarm button.
4 of: Max 60 V DC ( Active > +10 V, Inactive < +3 V )
2 of: +/-75 mV, adjustable 25 A to 500 A
2 general purpose logged 0-60 V
n/a
4 of: 60 V, 500 mA
3 of: 60 V, 5 mA
USB and RS232 (optional Wireless and Ethernet)
Permanent
Standard, allows configuration of parameters and monitoring of parameters and SP PRO display remotely.
29 kg
34 kg
375 x 690 x 220
35 kg
540 x 870 x 290
40 kg
40 kg
115 kg
IEC 62040-1-1:2002 / AS 62040.1.1-2003 with CB certificate (except SPMC1201)
AS/NZS 61000-6-3 2007
AS/NZS 61000-6-4 2007
AS 4777.2 2005 and AS 4777.3 2005
IP43
Doc #OI0003 Part #004122 Rev14 2013
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NOTES
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Selectronic Australia Pty Ltd
© 2013
Suite 5, 20 Fletcher Rd
Chirnside Park VIC 3116
Australia
Ph +61 3 9727 6600
Fax +61 3 9727 6601
www.selectronic.com.au
Doc #OI0003 Part #004122 Rev14 2013