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USER MANUAL 

 

COOLMAX SRX-R – Rack Mount 

Australian Energy Research Labs 

AER09-R – Rev 1.0.0 

9

th

 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 

Содержание CoolMax SRX 600/70-48

Страница 1: ...CoolMax SRX R Charge Controller Installation and Operation Manual Models SRX R 450 55 48 SRX R 600 70 48 ...

Страница 2: ...ro 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 sales aerl com au 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 ...

Страница 3: ...nting 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 Sen...

Страница 4: ...s 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...

Страница 5: ...stralia 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 ...

Страница 6: ... Current Detection Yes Yes Overvoltage Category DC II DC II Overvoltage Protection DC Type II DC Type II Safety Protection Class I I Pollution Degree Int Ext II II Max Altitude Rating 2000m 2000m Max Conversion Efficiency 96 96 Ambient Operating Temperate Range Maximum Charge Current derates by up to 10 Per C above 80 Ambient C 20 to 50 C 20 to 50 C Storage Temperature 30 to 70 C 30 to 70 C Self C...

Страница 7: ...ology 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 Gro...

Страница 8: ...nstallation 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 ...

Страница 9: ... R Rev 1 0 0 9th May 2023 9 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 ...

Страница 10: ...mps 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 r...

Страница 11: ...Equipment Damage Reversing the polarity of the output may damage the CoolMax SRX R and void product warranty Confirm polarity with a multi meter prior to closing the input and output circuit breakers Backplane Terminations PV Terminal 1 Battery Terminal 1 USB B Programming Port COMMS RJ45 x 2 IN OUT USB Change Over Switch PV Terminal 2 Battery Terminal 2 ...

Страница 12: ...he battery breaker to isolate the controller Programming the Device When the CoolMax SRX R is first powered on the device will run a self test and then the LED indication strip will flash yellow to indicate no charge profile has been configured The CoolMax SRX R is programmed via the USB B port located on the backplane board as demonstrated in Figure 4 to the right Note The USB Selection Switch mu...

Страница 13: ...Rack Mount Australian Energy Research Labs AER09 R Rev 1 0 0 9th May 2023 13 AER09 R REV 1 0 0 Device Status Indicator Green OK Blue START UP SLEEP Yellow CHARGER DISABLED SETUP REQUIRED Red FAULT Figure 4 LED Indication States ...

Страница 14: ...ages for optimal battery life and performance These voltages can be adjusted in the charge profile settings Refer to Page 16 for instructions Figure 5 Battery Charge Profile Illustrated IMPORTANT The CoolMax SRX R default charge profile is intended for a generic LiFePo4 battery solution AERL supports most other battery chemistries that do not require external BMS communications AERL is working wit...

Страница 15: ...etermine the optimal charge profile for your application please refer to your battery manufacturer s user manual or datasheet The CoolMax SRX R Default Charge Profiles are as follows SRX R 450 55 48 SRX R 600 70 48 Nominal Battery voltage 48 V 48 V Max Charge current 55 A 70 A Absorption voltage 57 6 V 57 6 V Absorption time 2 Hours 2 Hours Float Voltage 55 2 V 55 2 V Re Bulk Voltage 52 V 52 V IMP...

Страница 16: ...the USB Change Over Switch refer to Figure 2 on Page 11 is set to the device you wish to program Within a few seconds the device will appear in the available local devices list in AERL Link Click on the Device select the Settings button on the device page to access the battery charging settings Charge settings are changed by clicking on the setting value and using the plus minus arrows or the keyb...

Страница 17: ...nergy Research Labs AER09 R Rev 1 0 0 9th May 2023 17 AER09 R REV 1 0 0 Once the required settings have been set slide the charger enabled toggle to the right and apply the changes to the CoolMax SRX R by clicking on the Apply button to begin charging ...

Страница 18: ...radation during the device s start up routine The device chassis must be connected to the same earth as the PV array for the ground fault detection to function The chassis earth point is located inside the access cover and indicated with the symbol demonstrated below Figure 10 Chassis Earth Point IMPORTANT The system earth configuration Ground Fault Mode must be adjusted in the AERL Link software ...

Страница 19: ...sitivity The SRX R ground fault detection offers three levels of sensitivity all of which are compliant with the Australian PV installation standards Low 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 ...

Страница 20: ...85 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 The pin outs for these connections are demonstrated in Figure 12 below Pin Comms Connector 4 CAN High 7 CAN Low 5 RS485 A 6 RS485 B 8 GND Figur...

Страница 21: ...153 Solid Blue Low Input Voltage Detected Sleep Mode The PV Voltage is below the minimum allowed PV Voltage or not adequate to charge the connected battery Confirm PV String Configuration is appropriate for the device and the sun is shining Note This code may be shown during sunrise and sunset conditions 1304 N A Battery Sense Not Detected The remote voltage and temperature sensor is either unplug...

Страница 22: ...damage The device will automatically restart when it s safe to do so 1159 2 Flashes Red Low Output Voltage Low output voltage has been detected Confirm the battery is connected to the controller 1154 3 Flashes Red High Output Voltage High output voltage has been detected Battery may be being charged from a secondary source Confirm all system battery charge parameters 1157 4 Flashes Red High Output...

Страница 23: ... temperature will greatly reduce its lifespan Consider increasing the battery temperature compensation factor with the AERL Link Software or reducing the ambient environment temperature 1103 9 Flashes Red Low Battery Temperature Detected The battery temperature sensor has detected a low battery temperature Operating the battery at a low temperature may greatly reduce its lifespan Consider a temper...

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