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ESM3K/48, ESM5K/96, ESM7K5/120, ESM10K/120 

SOLAR OFF-GRID MPPT PCU

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Advanced  MPPT  technology  ensures  upto  30%  more 
energy extraction from Solar panel as compared to PWM 
based technology

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Intelligent selection modes for high/medium/low power 
cut areas

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Pure sine-wave output

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Advanced DSP based technology

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LCD Screen for user convenience

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User  configurable  parameters  through  front  end  wide 
screen LCD display

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Intelligent mixing of Grid current with solar in case of solar 
energy shortfall during cloudy days

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Highest efficiency in its class

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Built-in energy meter for Mains, Battery, Solar and Load

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Temperature  compensated  (ATC)  charging  to  enhance  
the performance and life of battery upto 30%

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Remote monitoring and data logging feature

User Manual

www.eastmangroup.co.in | www.eaplworld.com

Before connecting, operating or adjusting this unit, please read this instruction booklet carefully. 

Summary of Contents for ESM10K/120

Page 1: ...CORPORATE OFFICE EASTMAN AUTO POWER LTD 547 Udyog Vihar Phase V Gurgaon 122016 Haryana India India Toll Free No 1800 419 8610 91 124 4682600 2610 sales eastmanglobal com ...

Page 2: ...configurable parameters through front end wide screen LCD display Ÿ Intelligent mixing of Grid current with solar in case of solar energy shortfall during cloudy days Ÿ Highest efficiency in its class Ÿ Built in energy meter for Mains Battery Solar and Load Ÿ Temperature compensated ATC charging to enhance the performance and life of battery upto 30 Ÿ Remote monitoring and data logging feature Use...

Page 3: ...untries and a 2200 loyal distributor and dealer network across the world Eastman Auto Power Limited instituted by Eastman group is a leading manufacturer of Tall Tubular Batteries Tubular Gel SMF Batteries Solar Batteries E Rickshaw Batteries Automotive Batteries and offers a wide range of inverters solar panels and top of the line solar products that are widely known for their innovative technolo...

Page 4: ...y Instruction D Storage Instructions 03 04 Know Your Off Grid MPPT PCU Operating Instructions A PCU System Description B Front Panel Description C Back Panel Description D Wiring Diagram E How To Configure F Three Intelligent Working Modes 06 05 Maintenance Instructions Troubleshooting Guide 07 Off Grid MPPT PCU Technical Specifications 08 Warranty Card The Content ...

Page 5: ...lation maintenance repair of the equipment should be undertaken by trained experiencedandauthorizedserviceorelectricalpersonnel 5 To disconnect turn off all MCBs located at the back panel of PCU We request you to read the Manual prior to installation performing start up procedures system operation maintenance Should you require any assistance for more information on installation please contact our...

Page 6: ...ater or excessive humidity Ÿ Routine preventive check should be carried out Ÿ Store the Solar PCU in its original packing keeping the arrow on the box pointing vertically upward Ÿ Store it in dry location Storage temperature must be between 0 C to 70 C Ÿ Suitable handling equipment should be used for handling of PCU Ÿ The route passage up to the installation site and the actual foundation location...

Page 7: ...please carry out visual check for any damage during transport B PCU Installation Guide Ÿ The system must be installed in a dry clean room To have proper ventilation the user must ensure enough air exchange in the room Ÿ Never install the equipment near liquids or in an excessively damp environment Ÿ Never block the ventilation grates We suggest the following for best results of installation Minimu...

Page 8: ...tt MCB for battery voltage 96V Press Soft start switch for 30 sec to charge the capacitor before switching ON the battery MCB Solar Charging will start Ÿ Press the Reset Switch to PCU ON Thereafter switch ON the Output MCB Now load will run on PCU Output Ÿ After Connecting Mains Supply switch ON the GRID MCB D Storage Instructions Ÿ Carefully store your PCU in vertical position if system is not in...

Page 9: ...Board It controls operation of MPPT charger and PCU It contains power modules of MPPT and PCU MPPT receives DC supply from solar array and provides charging voltage to battery and DC voltage for PCU operation This board also contains Power relays for grid and PCU based on signal from DSP board transfer operation is controlled and Output is available at load b Display Board It receives all inputs f...

Page 10: ...cation Display Display Parameter Battery 57 9V 0 0A 1 0A 15 31 50 Dischg 0 9KWH 0 5KWH Output 220V 15 31 50 50Hz 0 0A 100W 0 9KWH View 1 View 2 Solar 140V 15 31 50 0 0A 0 0W 0 8 KWH Grid 220V 15 31 50 50Hz 0 0A 0 0W 1 9KWH Status 15 31 50 GRD Charge of Mains_L Inverter off Sol Chrge off PV Lo View 3 View 4 View 5 Smart LCD Display Parameters SYSTEM ON INV ON PV CHG GRID CHG SOLAR OFF GRID MPPT PCU...

Page 11: ...utral Battery Mains MCB For Load Distribution Solar Panel Junction Box IP65 blocking diode MCB Fuse ATC BYPASS 2 INVERTER UPS 1 0 PANEL SPV BATT GRID O P 7 5KVA 120V 10KVA 120V SOFT START SWITCH FUSE BOX BATT I P N L N L O P ATC BYPASS 2 INVERTER UPS 1 0 PANEL SPV BATT GRID O P SOFT START SWITCH FUSE BOX BATT I P N L N L O P N L N L PCU Models ESM3K 48 ESM5K 96 ESM7K5 120 ESM10K 120 Battery Wire 1...

Page 12: ... Volt Reset All The Set Values to Default Values Reset All Setting Inv output setting Set voltage as per suitable season Freedom to connect any kind of batteries Choose When to Cut Solar Reset All Grid Reconnect Inv Output Grid Battery Control Calibration Password 10 01 50 View Log Press Battery 57 9V 0 0A 1 0A 15 31 50 Dischg 0 9KWH 0 5KWH Output 220V 15 31 50 50Hz 0 0A 100W 0 9KWH Solar 140V 15 ...

Page 13: ...r Solar Grid If Otherwise CASE 01 Grid Supply Solar Power Load Battery Backup Solar PCU Solar Absent Grid Present A Load Runs on Battery If Batt volt 11 5V B Load Runs on Grid Battery Charging By Grid If Otherwise CASE 02 Grid Supply Solar Power Load Battery Backup Solar PCU Solar Absent Grid Absent A Load Runs on Battery CASE 03 Grid Supply Solar Power Load Battery Backup Solar PCU Solar Present ...

Page 14: ...on Grid Battery Charging By Solar If Otherwise CASE 01 Grid Supply Solar Power Load Battery Backup Solar PCU Solar Absent Grid Present A Load Runs on Grid If Batt volt 11 2V B Load Runs on Grid Battery Charging Upto 14 2V If Otherwise CASE 02 Grid Supply Solar Power Load Battery Backup Solar PCU Solar Absent Grid Absent A Load Runs on Battery CASE 03 Grid Supply Solar Power Load Battery Backup Sol...

Page 15: ...er Load Battery Backup Solar PCU Solar Absent Grid Present A Load Runs on Grid B Battery Charging By Grid CASE 02 Grid Supply Solar Power Load Battery Backup Solar PCU Solar Absent Grid Absent A Load Runs on Battery CASE 03 Grid Supply Solar Power Load Battery Backup Solar PCU Solar Present Grid Absent A Load Runs on Solar Battery Charging on Solar If Solar Power Load Power B Load Runs on Solar Ba...

Page 16: ...OFF position Ÿ Ensure battery voltage and polarity Ÿ Switch ON Battery MCB Ÿ Ensure SOLAR PV Module voltage polarity Ÿ Connect solar PV Module supply Ÿ Now turn ON PCU Reset switch Ÿ While connecting Grid supply Please ensure line neutral connection Ÿ Switch ON Output MCB 2 To Shutdown your Off Grid MPPT PCU Ÿ Switch OFF Output MCB Ÿ Switch OFF Grid Supply Ÿ Switch OFF Array Supply Ÿ Switch OFF Ba...

Page 17: ...guidelines 1 Ensure proper ventilation and cleanliness surrounding your PCU 2 We recommend to keep Room Temperature at about 30 C 5 C for improved life cycle of the batteries Checkpoints Check points Quarterly Yearly Ensure proper electrical connection of battery terminals Also screws should be properly tightened Battery inter cell connectors for tightness and corrosion on terminals Verify Display...

Page 18: ... Contact Our Service Center f Maintain ambient temp as per spec Output Under Over Voltage a Output short circuit b Control board failed a Check load b To reset the fault press reset switch on front LCD display If fault repeats Contact Our Service Center PCU Over temperature a High ambient Temp b Output overload c PCU cooling fan failed d Temp sensor failed e Control board failed f Ventilation inpu...

Page 19: ...everse Protection Reverse Current Flow High Temperature Over Current Battery Overcharge Protection Pv Reverse Protection Reverse Current Flow High Temperature Over Current Battery Overcharge Protection Pv Reverse Protection Reverse Current Flow High Temperature Over Current Battery Overcharge Protection Pv Reverse Protection Reverse Current Flow High Temperature Over Current Battery Overcharge Pro...

Page 20: ...efaced or altered 4 The seals are broken or show evidence of tampering 5 All plastic surfaces and all other externally exposed parts that are scratched or damaged due to abnormal customer use This warranty is offsite in nature the consumer will have to take the product to the company or it s authorised service centers for repair and will have to take it back at his her own expenses No other expres...

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