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23

 

MPPT OPERATION 

5. 

MPPT OPERATION 

 

5.1 

Front Panel Description 

 

 
 
 

Button Function Description 

Button Name 

Function description 

Data 

Increments programming values,  

Charge 

Stores selected programming values, selects charging modes 

 
MPPT 

Status LED’s 

Indicator 

Indicator 

Name 

LED 

Status 

Description 

 

Panel 

Steady ON  Indicates that the solar panels are producing power 

 

Panel 

Flashes 

Indicates that the battery is connected and no panels 
connnected 

 

Charge 

Flashes 

Indicates that the MPPT is charging 

 

Setting 

Steady ON  Indicates that the 4-Pin termination plug is inserted 

 
 

RJ12 Connections 

No 

Description 

RJ12 Connection 

– For factory programming only. “ Do not  use” 

10 

RJ12 Connection 

– RS232 External connection output 

 
 

Note: This manual applies to all LCD MPPT

’s with Firmware: V7.35 

 

 

1

 

3

 



 

 

 


 

 

 

Description 

Panel LED 

Charge LED 

Setting LED 

LCD Display 

Data Button 

Charge Button 

Panel Circuit Breaker 

Battery Circuit Breaker 

RJ12 - Do Not use  

10  RJ12 

– External Connection 

 

9  10 

Summary of Contents for LCD MPPT 100A

Page 1: ...LCD MPPT 20 40 60 100A User Manual Manual Version LCDMPPT 2020 1 V7 35 BATTERY 12 5V EQUALISE AT 10 0A PANEL 24 0V OUTPUT POWER 125 0W...

Page 2: ...Voltage Voc Per Battery Bank 10 4 WIRING INFORMATION 12 4 1 Cable Sizes 12 4 2 Battery Connection Methods 13 4 2 1 Series Connection 13 4 2 2 Parallel Connection 13 4 2 3 Series and Parallel Connecti...

Page 3: ...tart up Procedure 24 6 LCD MPPT OPERATION 25 6 1 Float Mode 26 6 2 Panels Limiting Energy 26 6 3 Equalise Mode 26 6 4 Boost Charge Mode 26 6 5 Float Mode 26 6 6 Checking the MPPT Firmware 27 6 7 Turni...

Page 4: ...screen will appear 35 10 TROUBLESHOOTING 36 10 1 Panel Output Power Low 36 10 2 High Panel Voltage 36 10 3 Open Circuit Voltage Higher Than 150 VDC 36 10 4 Battery Voltage Higher Than 60Vdc 36 10 5 Ou...

Page 5: ...tring Combiner and Surge Protection Box 39 14 Carry In Warranty 40 15 REGISTRATION OF MY MICROCARE PRODUCT 42 Please note that if no LITHIUM ION Interface is required terminate the Inverter and MPPTS...

Page 6: ...would be exposed to direct sunlight Do not remove the MPPT casing Keep the MPPT away from heat emitting sources Do not block the MPPT ventilation openings Do not leave objects on top of the MPPT Do n...

Page 7: ...olarpower Sealed Battery A lead acid battery with no access to the electrolyte either valve regulated or gel No hydrogen gas discharge during normal operation SolarArray A collection of Solar Panels S...

Page 8: ...tery system It will then read the panel voltage and find the optimum power point The charging battery values and charge modes are then adjusted This series features a durable and continuous 24 hour op...

Page 9: ...at 17V If the panel voltage is forced lower the current will increase As voltage decreases when the panel voltage reaches 0 V then the current will 10 1 amps Max charge current As long as the sun give...

Page 10: ...e your installation easier and more economical What is very important to note is that there is a limit to how much you can increase the panel voltage on the MPPT Why is this so The MPPT all step down...

Page 11: ...to not be uniformly discharged the MPPT will go into EQUALISE mode to restore battery bank balance before switching to BOOST mode as its primary charge mode The MPPT maintains this mode until the bat...

Page 12: ...LED 4 LCD Display 5 Ventilation Holes 6 Panel Circuit Breaker 7 Battery Circuit Breaker 8 RJ12 Programming Port For Factory Programming Only 9 Communications Port 10 Data Button 11 Charge Button 12 H...

Page 13: ...he LCD Screen The MPPT must be mounted in a vertical position against a solid wall Do not install the MPPT in a sealed container Do not install the MPPT near water or in damp environments Do not insta...

Page 14: ...Mounting Hole Dimensions MPPT Height Width 20 Amp LCD MPPT 143 mm 204 mm 40 Amp LCD MPPT 143 mm 204 mm 60 Amp LCD MPPT 227 mm 204 mm 100 Amp LCD MPPT 278 mm 204 mm 4 x ANSI B18 6 5M M6x1 x 20 Cross Re...

Page 15: ...0W 1500W 2200W 3600W 48V 1000W 2000W 3000W 5000W 3 5 Maximum Panel Voltage Voc Per Battery Bank Table 3 3 Maximum Panel Voltage per battery bank Battery Bank Size PV Panel Voltage Voc 12V 48V 24V 96V...

Page 16: ...T System illustrates two 120V DC PV Arrays connected in parallel and two 48V DC Battery Sets connected in parallel This setup may be extended to suit the needs of the user 150V is the maximum voltage...

Page 17: ...a thicker power cable must be used to reduce the volt drop from the array to the MPPT as well as from the MPPT to the batteries Cable thicknesses listed are recommended thicknesses that have voltage...

Page 18: ...lel Connection Voltage remains at 12V 100 Ah 100 Ah 100 Ah 100 Ah 400 Ah Parallel Connection Voltage stays the same as a single battery amperage increases 4 2 3 Series and Parallel Connection Voltage...

Page 19: ...t voltage Voc 20 8V Short circuit current Isc 6 49A 2 x 100 W panels connected in series 200W 2 x 12V 100Ah batteries in series 24V 100Ah Recommended MPPT as per table 3 2 20A MPPT charge controller S...

Page 20: ...n the voltage remains the same Array max Voc 45V This is within the max operating voltage of the MPPT and the max operating volts per battery bank as per Table 3 3 For parallel connection the total cu...

Page 21: ...16 WIRING INFORMATION 4 3 4 Connecting 2 x MPPT s in Parallel This configuration can be used when connecting 2 arrays to one battery bank...

Page 22: ...17 WIRING INFORMATION 4 4 Basic System Diagram...

Page 23: ...WIRE FUNCTION MPPT PIN NUMBER RED Solar Charge Controller Enable NO 2 TURQUIOSE Solar Charge Controller Enable COM 1 WIRE COLOUR INVERTER WIRE FUNCTION INVERTER PIN NUMBER YELLOW Inverter Enable NO 3...

Page 24: ...19 WIRING INFORMATION 4 6 V2 Lithium Ion Interface Freedom Won BMS Wiring Diagram 4 6 1 100A MPPT and Inverter 4 6 2 60A MPPT and Inverter...

Page 25: ...20 WIRING INFORMATION 4 7 V2 Lithium Ion Interface Solar MD Logger Wiring Diagram 4 7 1 100A MPPT and Inverter 4 7 2 60A MPPT and Inverter...

Page 26: ...hium Ion battery has no BMS installed connect MPPT with Interface Connect the Purple wire to the Red wire to enable charging Inverter with Interface Connect Yellow wire to the Blue wire to enable the...

Page 27: ...22 WIRING INFORMATION 4 9 V2 Lithium Ion Interface With No BMS Ensure that the 4pin termination plug is inserted in the MPPT and Inverter...

Page 28: ...he battery is connected and no panels connnected Charge Flashes Indicates that the MPPT is charging Setting Steady ON Indicates that the 4 Pin termination plug is inserted RJ12 Connections No Descript...

Page 29: ...eck if the Panel Voltage meets the MPPT rating required 5 3 MPPT Start up Procedure Always turn on battery breaker first Wait until MPPT Display states that the MPPT is sleeping Turn on Panel Breaker...

Page 30: ...result Should the battery voltage shown be incorrect it is possible to force the MPPT to accept a new battery value The screen changes to Turn ON the Panel Circuit Breaker Start Up Screen The followi...

Page 31: ...6 3 Equalise Mode The sign next to the EQUALISE AT line indicates that the batteries are being charged in the Equalise mode and the batteries have not reached the Equalise Voltage for every 12volt in...

Page 32: ...any remaining power in the coil into the batteries and will eliminate the possibility of damage to the MPPT 6 8 Data Logging Operation By Pressing the DATA button the following screen will appear Thi...

Page 33: ...4 00 SET MIN OF THE HOUR 14 10 SET COMMUNICATIONS ADDRESS 7 SETUP MENU SETTINGS Setup Menu Quick Reference Guide Menu Settings 12 4V 14 5V 0 1V Increments 13 5V 16V 0 1v Increments Disabled 10min 30mi...

Page 34: ...types cannot be equalised Programming mode To enter the programming mode the MPPT must be connected to the batteries The Battery Circuit Breaker must be turned ON The Panel Circuit Breaker must be tur...

Page 35: ...o change the battery BOOST VOLTAGE Press CHARGE to save The screen changes to BOOST TO FLOAT CURRENT 8 4 Boost to Float Current This changes the charge current at which the BOOST mode after timing out...

Page 36: ...be 18 amps then set the to 90 for a 20Amp MPPT as an example The charge limit can be set in 5 increments 0 100 This can be extended to any LCD MPPT type accordingly Default Value is 95 Press the DATA...

Page 37: ...similar way to that of the hour settings Press DATA button to change the MIN OF THE HOUR SETTINGS Press the CHARGE button to save the setting Note Time settings do not affect any MPPT operations and...

Page 38: ...set low battery disconnect voltage and reconnects the load at the set reconnect voltage 8 NIGHT L S SIGNAL L S Load Shed Night Switch Switches a load when the MPPT is sleeping and switches off when th...

Page 39: ...m This is when the is flashing next to the Battery display If SOLAR AST UPS CNTR1 is selected by pressing CHARGE to save The following screen will appear The user can program the Voltage at which the...

Page 40: ...o reset the MPPT to factory defaults you need to make sure the MPPT Battery and Panel Breaker is off Press and hold the DATA and CHARGE Button and turn on the battery breaker The following screen will...

Page 41: ...y dropping to the battery voltage then the MPPT needs to be sent to Microcare for repair If the voltage is not adjusting then you need to open up the MPPT and check the internal cables to confirm if t...

Page 42: ...Ribbon Cable is secure then reduce the Load being drawn from the battery bank to clear the error Restart the MPPT once the load has been reduced 11 Maintenance and service Caution Risk of Electric Sho...

Page 43: ...arges12V to 15V per 12V DC battery pack for 1hour Boost Voltage 13V 16V per 12V Battery Pack Float Voltage 12 4V 14 5V per battery 12V Battery Pack Power Conversion DC DC Switch Mode Output Efficiency...

Page 44: ...attery Monitor 13 3 Battery Monitor Accessories 13 3 1 100 A Battery Sensor 13 3 2 200 A Battery Sensor 13 3 3 400 A Battery Sensor 13 3 4 Web Logger 13 3 5 232 485 Converter 13 4 Programmable Relay 1...

Page 45: ...Microcare In order to qualify for the warranty the product must not be disassembled or modified Repair or replacement are our sole remedies and Microcare shall not be liable for damages whether direct...

Page 46: ...price paid by the customer is the price on which the refund is based 8 Items purchased can be returned for a refund replacement or exchange provided proof of purchase is provided and subject to all o...

Page 47: ...Number E mail Address Installation Company Information Company Name Contact Person Contact Number E mail Address Details of Product Owner Name Surname Address City Province Contact Number E mail Addre...

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