Aerl CoolMax SRX-R Series Manuel utilisateur

CoolMax SRX-R

Charge Controller

Installation and Operation Manual

Models

SRX-R 450/55-48

SRX-R 600/70-48

USER MANUAL

COOLMAX SRX-R – Rack Mount

Australian Energy Research Labs

AER09-R – Rev 1.0.0

9th May 2023

AER09-R REV 1.0.0

About AERL

Australian Energy Research Laboratories (AERL) was founded by Stuart Watkinson (BE Elec. Eng., Grad. M.I.E.A) in

1985 to commercialize the “Power Optimizer”, a revolutionary solution to a complex problem, developed while studying at

the University of Queensland in Brisbane, Australia.

Unlike many inventors, Stuart possessed not only a great idea but also the entrepreneurial skill to turn it into a

commercially viable product. The “Power Optimizer” would eventually come to be known as the AERL MAXIMIZER™, the

world’s first truly Universal Maximum Power Point Tracker (MPPT).

Today, AERL manufactures a range of h i g h l y r e l i able and efficient specialized power electronic controllers for use in Solar,

Micro Hydro, Micro Wind, and Cathodic Protection applications.

Contact Information

Address: 2/75 Bluestone Circuit,

Seventeen Mile Rocks, 4073,

Queensland, Australia

Phone: +61 1800 950 865

Email: [email protected]

Website: https://www.aerl.com.au

Disclaimer

UNLESS SPECIFICALLY AGREED TO IN WRITING, AUSTRALIAN ENERGY RESEARCH LABORATORIES:

(a) MAKES NO WARRANTY AS TO THE ACCURACY, SUFFICIENCY OR SUITABILITY OF ANY TECHNICAL OR

OTHER INFORMATION PROVIDED IN ITS MANUALS OR OTHER DOCUMENTATION.

(b) ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSS OR DAMAGE, WHETHER DIRECT, INDIRECT,

CONSEQUENTIAL, OR INCIDENTAL, WHICH MIGHT ARISE OUT OF THE USE OF SUCH INFORMATION.

THE USE OF ANY SUCH INFORMATION WILL BE ENTIRELY AT THE USER’S RISK.

Notice of Copyright

Trademark

AERL and the AERL Logo are trademarks owned by AERL Holdings Pty. Ltd. and used by AERL Pty. Ltd under license.

These trademarks may be registered in Australia and other countries.

Effective Date

May 2023 (5/2023)

USER MANUAL

COOLMAX SRX-R – Rack Mount

Australian Energy Research Labs

AER09-R – Rev 1.0.0

9th May 2023

AER09-R REV 1.0.0

Table of Contents

Warranty Conditions .......................................................................................................................................... 5

Specifications ..................................................................................................................................................... 6

Introduction ......................................................................................................................................................... 7

Features ......................................................................................................................................................... 7

Firmware ........................................................................................................................................................ 7

Installation ........................................................................................................................................................... 8

Standards & Requirements .......................................................................................................................... 8

Grounding ..................................................................................................................................................... 8

Mounting the Shelf ....................................................................................................................................... 9

Wiring Information ...................................................................................................................................... 10

Wire and Disconnect Sizing ................................................................................................................. 10

CoolMax SRX-R 450/55-48 ............................................................................................................................. 10

CoolMax SRX-R 600/70-48 ............................................................................................................................. 10

Backplane Terminations ...................................................................................................................... 11

Operation ........................................................................................................................................................... 12

Start-Up & Shutdown Procedure ............................................................................................................... 12

Programming the Device ........................................................................................................................... 12

Device Status Indicator .............................................................................................................................. 13

Battery Charge Profile ................................................................................................................................ 14

Charge Profile Configuration ............................................................................................................... 15

Setting the Battery Charge Profile with AERL Link ........................................................................... 16

Ground Fault Detection .............................................................................................................................. 18

Ground Fault Sensitivity ............................................................................................................................ 19

Communications Protocols ....................................................................................................................... 20

Troubleshooting – Error Codes ...................................................................................................................... 21

USER MANUAL

COOLMAX SRX-R – Rack Mount

Australian Energy Research Labs

AER09-R – Rev 1.0.0

9th May 2023

AER09-R REV 1.0.0

Important Safety Information

This Installation Manual contains important safety information and installation instructions for the

AERL COOLMAX SRX-R MPPT Solar Charge Controller.

The following symbols are used throughout this user manual to indicate ideal installation methods,

potentially dangerous conditions, and important operational information.

• This User Manual provides detailed installation and usage instructions for the COOLMAX SRX-R unit. It is

recommended that all the Instructions and Cautions in this User Manual be read before beginning

installation.

• Only qualified electricians and technicians should install the COOLMAX SRX-R. This manual is intended

for all installation technicians and the system owner.

• Do not disassemble or attempt to repair the COOLMAX SRX-R unless you are a qualified technician and

have authority in writing from AERL to do so.

• AERL will not be held responsible in any way for the mishandling of this product or for installation of the

product in a manner that does not follow the instructions in this manual or as advised by an AERL

technician.

IMPORTANT

Indicates information that must be followed to ensure proper operation of the

COOLMAX SRX-R.

Indicates a critical procedure for the safe installation of the COOLMAX SRX-R. Use

extreme caution when performing this task.

CAUTION

About this Manual

IMPORTANT

USER MANUAL

COOLMAX SRX-R – Rack Mount

Australian Energy Research Labs

AER09-R – Rev 1.0.0

9th May 2023

AER09-R REV 1.0.0

Note: Warranty conditions remain current until the next revision of this document is published. Proof of purchase is required when

making a warranty claim.

1 Warranty Duration from the Date of Purchase

Warranty Requirements

Total Warranty Duration

1. You are the original purchaser of the CoolMax SRX-R.

5 Years

Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a

replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are

also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not

amount to a major failure.

AERL will bear the cost of parts and labour to repair any manufacturing faults found within the terms and period of this

warranty and pay the cost of freight to return the repaired CoolMax SRX-R controller within Australia/New Zealand but the

method of freight will be determined by AERL.

An allowance is made for the labour required to disconnect or reinstall faulty parts up to the value of $220 AUD excluding

GST.

All installation and user conditions as set down in the instruction manual must be strictly adhered to as failure to do so

may void your warranty. Any faults or like faults caused by lightning, water or moisture ingress, vermin infestation,

improper voltage, faulty installation, use of the product in a manner for which it is not intended, alterations which affect the

reliability or performance of the unit but are not attributable to faulty manufacture, or damage caused by other system

components will not be covered under warranty.

In the event of the product being out of service, AERL shall bear no responsibility for any consequential loss or expense.

AERL will not be held responsible for any misleading or incorrect information conveyed by anyone not directly employed

by AERL.

For claims under warranty, the faulty product(s) must be returned to AERL’s facility at 2/75 Bluestone Circuit, Seventeen

Mile Rocks, 4073, QLD, Australia after contacting AERL and receiving the appropriate RMA documentation from AERL.

Warranty Conditions

USER MANUAL

COOLMAX SRX-R – Rack Mount

Australian Energy Research Labs

AER09-R – Rev 1.0.0

9th May 2023

AER09-R REV 1.0.0

Characteristics

SRX 450/55-48

SRX 600/70-48

Nominal Battery Voltage / Vdc Range

24 V | 48 V / 20 - 60

Max Charge Current

55 A

70A

Nominal Charge Power

1584 W @ 24 V

3168 W @ 48 V

2016 W @ 24 V

4032 W @ 48 V

Max PV Input Power

Nominal Charge Power x 1.33

Max PV Input Voltage (Voc)

450 V

600 V

MPP Voltage Range (Vmp)

100 – 360 V

170 – 500 V

Min PV Operating Voltage

100 V

Max PV Input Current (Imp)

14 A

Max PV Short Circuit Current (Isc)

20 A

Device Startup Voltage

60 V

Total Backfeed Current (Ibf Total)

0 A

Overload Behaviour

Power Limitation

PV Reverse Polarity Protection

Yes

Earth Leakage Current Detection

Yes

Overvoltage Category

DC II

Overvoltage Protection

DC Type II

Safety Protection Class

Pollution Degree (Int & Ext)

Max Altitude Rating

2000m

Max Conversion Efficiency

96%

Ambient Operating Temperate Range

(Maximum Charge Current derates by

up to 10% Per ° C above 80% Ambient

° C)

-20 to +50 °C

Storage Temperature

-30 to +70 °C

Self-Consumption @ Idle

3.5 W

Allowable Relative Humidity

4 – 95% (Non-Condensing)

Cooling Method

Active (User Serviceable)

Required Cabinet Air Exchange Rate

(Intake @ 40°C)

25 m3/hour

Communications

RS485 / CAN Bus

Certifications

IEC62109-1:2010

EN61000.6.3:2012

EN61000.6.4:2012

IEC62109-1:2010

EN61000.6.3:2012

EN61000.6.4:2012

General Specifications

Parameter

Typical

Weight

4 kg

Dimensions (H x W x D)

432 x 192 x 78 mm

Enclosure Type

Indoor Type 1 / IP20

Input / Output Power Connectors

Backplane Connector

Specifications

USER MANUAL

COOLMAX SRX-R – Rack Mount

Australian Energy Research Labs

AER09-R – Rev 1.0.0

9th May 2023

AER09-R REV 1.0.0

Thank-you for purchasing an Australian made CoolMax SRX-R Series Charge Controller.

CoolMax Charge Controllers offer an efficient and reliable charging process that not only maintains battery

efficiency and life but maximizes power generation by utilizing the full potential of your PV array.

Features

CoolMax Charge Controllers utilize an advanced form of Maximum Power Point Tracking (MPPT)

technology to extract the maximum power available from your PV array, efficiently charging your batteries

and maximizing power generation.

AERL’s Maximum Power Point Tracking (MPPT) algorithm has been proven to be highly robust, resistant to

local extremes, and results in power losses of less than 0.5% over the whole operating temperature range

of a PV Array.

• High Input Voltage for Ease of Install

• On-Board Ground Fault Detection

• PV Array Oversizing Support (+33%)

• Superior Peak Power Efficiency

• Built-In Overload and Thermal Protection

• Reverse Polarity and Current Protection

• Designed for Long Term Reliability

• Australian Made

Firmware

This user manual covers CoolMax SRX-R Control Firmware Revisions v1.7 and above.

Introduction

USER MANUAL

COOLMAX SRX-R – Rack Mount

Australian Energy Research Labs

AER09-R – Rev 1.0.0

9th May 2023

AER09-R REV 1.0.0

Standards & Requirements

All installations must comply with national and local electrical standards and codes of practice, and the

CoolMax SRX-R must be installed in a clean, dry location away from direct sunlight. AERL always

recommends professional installation. No on-going maintenance is required.

Grounding

CoolMax Charge Controllers are designed to be installed in floating systems but contain provisions for positive

functional earthing for telecom applications if required.

Installation

IMPORTANT

CAUTION – Equipment Damage

The SOLAR DC ISOLATOR/BREAKER at the input side must be in the OFF position before

connecting or disconnecting the MPPT Charge Controller.

CoolMax Charge Controllers are not designed to be used in parallel with other Third-

Party Charge Controllers and this will void your warranty.

IMPORTANT

The Chassis Ground (located inside the enclosure) is marked with the following symbol:

CAUTION – Hazard

If damaged or malfunctioning, the AERL controller should only be disassembled and

repaired by a qualified service centre. Please contact your local authorized distributor for

assistance.

Incorrect reassembly risks malfunction, electric shock, or fire.

DO NOT FUNCTIONALLY EARTH THE ARRAY if a negative earth is used for the batteries, load, or DC

system.

CAUTION – Hazard

USER MANUAL

COOLMAX SRX-R – Rack Mount

Australian Energy Research Labs

AER09-R – Rev 1.0.0

9th May 2023

AER09-R REV 1.0.0

Mounting the Shelf

The SRX-R shelf must be mounted horizontally in a suitably ventilated lockable cabinet ensuring the backplane area is

restricted to licensed electricians and qualified technicians.

Figure 1: SRX-R Modules in Shelf

USER MANUAL

COOLMAX SRX-R – Rack Mount

Australian Energy Research Labs

AER09-R – Rev 1.0.0

9th May 2023

AER09-R REV 1.0.0

Wiring Information

This section will provide information and instructions for safely wiring up the DC connections on the CoolMax

SRX-R.

Wire and Disconnect Sizing

Use a minimum of #6 AWG (16 mm2) wire for the output between the backplane and the battery bus bar or

termination and use an appropriately sized insulated crimp ferrule when terminating both the input and

output connections.

Tor q ue a l l Co ol M ax w i r e a nd g r ou nd t e rm i n a ls t o 1.7 Nm (15 in-lb).

CoolMax SRX-R 450/55-48

• The output current limit of the CoolMax SRX-R 450/55-48 is 55 amps.

• Use a 63A Non-Polarized DC Circuit Breaker between the controller output and load.

o Recommended Option: Beny BB1-63 63A 600V 2-Pole Circuit Breaker

CoolMax SRX-R 600/70-48

• The output current limit of the CoolMax SRX-R 600/70-48 is 70 amps.

• Use a 125A Non-Polarized DC Circuit Breaker between the controller output and load.

o Recommended Option: Beny BD-125 125A 1000V 4-Pole Circuit Breaker

Please refer to the relevant IEC or AS/NZS electrical code for recommendations on PV array cable sizing,

length, and ampacity.

All devices connected to the controller must have suitable insulation in accordance with the relevant product

standards.

IMPORTANT

• Wire sizes must comply with local and national standards. Input conductors and

circuit breakers must be rated at 1.56 times the short-circuit current of the PV array.

• Copper wiring must be rated at 75°C or higher.

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