aerl CoolMax SRX 600/55-48 Installation And Operation User Manual
Charge controller
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Summary of Contents for aerl CoolMax SRX 600/55-48
- Page 1 CoolMax SRX Charge Controller Installation and Operation User Manual Models SRX 600/55-48 SRX 600/70-48 SRX 600/30-120...
- Page 2 CoolMax SRX Charge Controller User Manual © 2022 by AERL Pty. Ltd. All Rights Reserved. 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.
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Page 3: Table Of Contents
Device Status Indicator ........................... 15 Battery Charge Profile ..........................16 Charge Profile Configuration ......................17 Setting the Battery Charge Profile with AERL Link ................. 18 Battery Temperature Compensation....................20 Connecting the Temperature Sensor ......................20 Temperature Sensor Location ........................20 Ground Fault Detection ........................... - Page 4 • 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.
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Page 5: Warranty Conditions
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. -
Page 6: Specifications
USER MANUAL COOLMAX SRX – Wall Mount Australian Energy Research Labs AER09 – Rev 1.2 July 2022 Specifications General Specifications Parameter Typical Weight 5 kg Dimensions (L x W x H) 432 x 192 x 89 mm Enclosure Type Indoor Type 1 / IP20 Input / Output Power Connectors Screw Terminals (8 mm ->... -
Page 7: Introduction
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. -
Page 8: Installation
CoolMax Charge Controllers are not designed to be used in parallel with other Third- Party Charge Controllers and this will void your warranty. Standards & Requirements All installations must comply with national and local electrical standards and codes of practice. AERL recommends professional installation. Grounding CoolMax Charge Controllers are designed to be installed in floating systems but contain provisions for positive functional earthing for telecom applications if required. -
Page 9: Mounting The Controller
USER MANUAL COOLMAX SRX – Wall Mount Australian Energy Research Labs AER09 – Rev 1.2 July 2022 Mounting the Controller Use the mounting plate included with the controller to mount the SRX on a vertical surface as demonstrated in Figure 1A below. -
Page 10: Mounting Clearances
USER MANUAL COOLMAX SRX – Wall Mount Australian Energy Research Labs AER09 – Rev 1.2 July 2022 Mounting Clearances When mounting the SRX, a clearance zone around the device must be adhered to for optimal cooling of the controller under full load. Please refer to the Figure 1B below. 15 CM 10 CM 10 CM... -
Page 11: Wiring Information
USER MANUAL COOLMAX SRX – Wall Mount Australian Energy Research Labs AER09 – Rev 1.2 July 2022 Wiring Information This section will provide information and instructions for safely wiring up the CoolMax SRX. Wire and Disconnect Sizing 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. -
Page 12: Wiring Compartment
USER MANUAL COOLMAX SRX – Wall Mount Australian Energy Research Labs AER09 – Rev 1.2 July 2022 Wiring Compartment CAUTION – Hazard All CoolMax SRX wiring must enter the unit through the entry ports located in the base and rear of the enclosure. Under absolutely no circumstances should holes be drilled anywhere into the unit to make other cable entry points. -
Page 13: Wiring Polarity
USER MANUAL COOLMAX SRX – Wall Mount Australian Energy Research Labs AER09 – Rev 1.2 July 2022 Wiring Polarity CAUTION – Equipment Damage Reversing the polarity of either the input or output may damage the CoolMax SRX and void product warranty. Confirm polarity with a multi-meter prior to closing the input and output circuit breakers. -
Page 14: Operation
The CoolMax SRX is programmed via the USB-C port located inside the access cover as demonstrated in Figure 4 to the right. The AERL Link Software for Windows 10/11 can be downloaded at the URL/QR below. link.aerl.com.au Figure 4: USB-C Programming Port Instructions for setting the charge profile located on Page 18. -
Page 15: Device Status Indicator
USER MANUAL COOLMAX SRX – Wall Mount Australian Energy Research Labs AER09 – Rev 1.2 July 2022 Device Status Indicator Green Blue START-UP / SLEEP Yellow WARNING FAULT Figure 5: LED Indication States AER09 REV 1.2... -
Page 16: Battery Charge Profile
The SRX operates using an advanced three-stage charging process and has pre-set charge voltage profiles for each supported nominal battery voltage. That said, AERL always recommends referring to the battery manufacturers specifications regarding charge voltages for optimal battery life and performance. -
Page 17: Charge Profile Configuration
USER MANUAL COOLMAX SRX – Wall Mount Australian Energy Research Labs AER09 – Rev 1.2 July 2022 Charge Profile Configuration The CoolMax SRX allows for extensive flexibility when it comes to charge profile parameters to suit numerous different modern battery chemistries and manufacturers requirements. Our programmable charge profile allows for the configuration of the Battery Charge Rate, and the Absorb, Float, Re-Bulk, and Equalization voltage points. -
Page 18: Setting The Battery Charge Profile With Aerl Link
AER09 – Rev 1.2 July 2022 Setting the Battery Charge Profile with AERL Link Connect to the USB-C Port on the CoolMax and Select the Device from the available local devices list. Select the Settings button to access the battery charging settings. Charge settings are changed by clicking on the setting value and using the plus/minus arrows or the keyboard to enter a new value. - Page 19 Once the required settings have been set, Apply the Changes to the CoolMax SRX by clicking on the Apply button. Note - Further instructions for more complex functionality can be found in the AERL Link User Manual. AER09 REV 1.2...
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Page 20: Battery Temperature Compensation
Using the temperature of the batteries, the COOLMAX SRX adjusts voltages by a user specified factor in millivolts per C. The temperature compensation factor can be set using the AERL Link Software. The compensation factor is per bank, not per cell. -
Page 21: Ground Fault Detection
Figure 10: Chassis Earth Point IMPORTANT The system earth configuration (Ground Fault Mode) must be adjusted in the AERL Link software for use with functionally earthed systems otherwise an earth fault will be detected on the earthed pole. -
Page 22: Ground Fault Sensitivity
The SRX ground fault detection offers three levels of sensitivity, all of which are compliant with the Australian PV installation standards. 100kΩ Medium 50kΩ High 30kΩ The sensitivity of the ground fault detection can be configured in AERL Link as demonstrated in Figure 11 below. Figure 11: Ground Fault Sensitivity Adjustment AER09 REV 1.2... -
Page 23: Communications Protocols
Communications Protocols The CoolMax SRX features both Controller Area Network (CAN bus) and ModBus RTU (RS485) compatible protocols for remote monitoring and control functionality. The relevant protocol registry maps for integration are available from AERL on request. Both networking protocols can be accessed via the RJ45 connectors located inside the access cover. -
Page 24: Troubleshooting - Error Codes
The charger has been disabled Connect to the device and enable the -1303 Charger Disabled via the Settings in AERL Link. charger to begin charging. Confirm PV String Configuration is The PV Voltage is below the appropriate for the device and the sun... - Page 25 USER MANUAL COOLMAX SRX – Wall Mount Australian Energy Research Labs AER09 – Rev 1.2 July 2022 Please refer to the table below for Fault Codes. Fault Error Description Recommended Action Code Please contact your A hardware fault has been Generic Hardware Fault distributor to organize a detected.
- Page 26 Consider increasing the battery detected a high battery temperature. temperature compensation factor High Battery -1102 Operating the battery at a high with the AERL Link Software or Temperature Detected temperature will greatly reduce its reducing the ambient environment lifespan. temperature.
- Page 27 USER MANUAL COOLMAX SRX – Wall Mount Australian Energy Research Labs AER09 – Rev 1.2 July 2022 Note: The CoolMax troubleshooting guide and documentation is being improved regularly. If the relevant situation is not documented, please contact AERL. AER09 REV 1.2...
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