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M-Tec 10kW-3P, User Manual

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M-Tec 10kW-3P User Manual Download Page 27

Energy Butler Hybrid Series

User Manual

27

*1

*1 Inverter (bottom)

*2 Sub-Master BMS (top)

*2

After mechanical installation is finished, there are positive power line, negative power line, communication cable and earth cable 
between inverter and Sub-Master BMS need to be connected. The picture on this page shows the cables connection. Please follow 
the instruction and make sure all the cables are connected correctly.

4.3 Cables Connection 

Warning:

Please make sure the main switch at OFF position during installation to guarantee high voltage protection.

PV1

ON

OFF

PV2

BAT

WiFi/GPRS

METER BMS

COM

ON-GRID

ON-GRID

BAK

-UP

BAK

-UP

Positive power 
cable

Negative 
power cable

Communication 
cable

Earth 
cable

Summary of Contents for 10kW-3P

Page 1: ...Energy Butler Hybrid Series User Manual 1 Energy Butler Series USER MANUAL September 2021 ...

Page 2: ...ghts of M TEC GmbH and its licensors This material may not be modified reproduced or copied in whole or in part without the prior written permission of M TEC GmbH and its licensors Additional information is available upon request The following are trademarks or registered trademarks of M TEC GmbH All other trademarks contained in this document are the property of their respective owners and their ...

Page 3: ...eneral installation steps 24 4 3 Cables Connection 27 2 2 Appearance Introduction 12 3 1 Appearance Introduction 18 2 3 Display Interface 14 2 5 Standard Packing List 17 8 Troubleshooting 47 7 General Operation 45 8 1 Fault Messages 47 7 1 Display Operation 45 8 2 Maintenance 48 7 2 Auto Test 46 7 3 Monitoring and Configuration 46 5 1 Electrical Connection 28 5 Inverter Cables Connection 28 5 2 Co...

Page 4: ...n this document Danger Warning Caution Attention Note This manual uses the following symbols to highlight important information Used to warn of urgent dangerous situations if not avoided it could result in death or serious personal injury Indicates a hazardous situation which if not avoided could result in injury or death Indicates a hazardous situation which if not avoided could result in damage ...

Page 5: ...verter nameplate The inverter cannot be disposed of with household waste Please read the instructions carefully before installation TUV certification Danger Risk of electric shock The surface is hot during operation and no touch is allowed Do not touch any internal parts of the inverter until 5 min after being disconnected from the mains and PV input CE mark the inverter complies with the requirem...

Page 6: ...e for the installation Warning Do not attempt to open disassemble repair tamper with or modify M TEC LFP Battery M TEC LFP Battery is not user serviceable LFP Cells in M TEC Battery are not replaceable Contact the M TEC Authorized Reseller who sold the M TEC LFP Battery for any repairs Warning Do not connect M TEC LFP Battery to alternating current carrying conductors M TEC All in one storage syst...

Page 7: ...than those specified in this manual including use of non genuine M TEC parts or accessories or parts or accessories not purchased directly from M TEC or a M TEC certified party Caution Do not place M TEC LFP Battery in a storage condition for more than one 1 month or permit the electrical feed on the M TEC LFP Battery to be severed for more than one 1 month without placing M TEC LFP Battery into a...

Page 8: ...ay lithium battery loads and power grid to realize intelligent power management and dispatching Applicable Grid Type The applicable grid types of the M TEC 10kW are TN S TN C TN C S and TT When applied to the TT grid the voltage of N to PE should be less than 30V Schematic Diagram of Hybrid System The hybrid solar system is usually composed of the PV array hybrid inverter lithium battery loads and...

Page 9: ...harge to supply loads and the grid will join in if the battery power is not enough Setting Step General Mode Pmax In this working mode the customer can set the maximum allowable power from grid Pmax through App or inverter display When the loads consumption less than the Pmax loads are supplied by the PV array and grid together When the loads consumption more than the Pmax the power exceeded Pmax ...

Page 10: ... as the grid is there the battery won t discharge When the grid is cut off power from PV and battery will suppy real time loading connected to inverter back up port immediately within 10ms Inverter will use power from PV and battery to supply loads in the scheduled period and the insufficient part will be supplied by the grid 4 5 Peak Valley Mode 3 5 UPS Power Back up Peak Valley Mode Peak Valley ...

Page 11: ...n its original packaging 2 The storage temperature should be in the range of 30 C and 60 C and the relative humidity stored is less than 90 3 If a batch of inverters needs to be stored the height of each pile should be no more than 6 levels In the purely off grid mode power from PV will supply the back up loads firstly and then charge the battery if there is surplus PV generation When the power fr...

Page 12: ...N GRID ON GRID BAK UP BAK UP Inverter in all in one kit Display Handle Inverter positioner Reserved connection hole DC Switch PV DC Input Terminal PV Battery Input Terminal Back Rail WIFI LAN Port Com Port Back up Output Terminal On grid Output Terminal 698mm 613mm 356mm Front Bottom Bottom with inverter Right side ...

Page 13: ...Energy Butler Hybrid Series User Manual 13 Inverter 550mm 175mm 410mm Front Bottom Back Right side PV1 ON OFF PV2B AT WiFi GPRS METER BMS COM ON GRID ON GRID BAK UP BAK UP ...

Page 14: ... in on grid mode 4 Alarm Indicator Off The inverter is running normally Slow flashing The monitoring device is not connected to the router or is not connected to the base station Quick flashing The monitoring device is connected to the router or connected to the base station but not connected to the server Orange A waring is detected but inverter still working view the warning info on the display ...

Page 15: ... 13 13 Max Short circuit Current A 18 18 18 18 18 18 18 18 Battery Battery Type Lithium Battery with BMS Battery Communication Mode CAN RS485 Battery Voltage Range V 180 750 Max Charge Discharge Current A 25 25 Rated Current of Built in Fuse A 63 Output Grid Rated Output Power kW 6 8 10 12 Max Output Power kW 6 6 8 8 11 13 2 Max Input Apparent Power kVA 12 16 16 5 16 5 Max Charging Power of Batter...

Page 16: ...ated Residual Current Protection Integrated Islanding Protection Frequency Shift Integrated AC Over voltage Protection Integrated Overload Protection Integrated AC Short circuit Protection Integrated General Data Over Voltage Category PV Ⅱ Main Ⅲ Dimensions mm 550W 410H 175D Weight KG 28 Protection Degree IP65 Self consumption at Night W 15 Topology Transformer less Operating Temperature Range C 3...

Page 17: ...check whether the accessories in the packing box are complete at the first time when receiving the goods Inverter in all in one kit 1 AC Cover Screw BAT Plug Monitoring Device optional PV Terminal PE Terminal Expansion Bolt M TEC Meter with 3 CTs Cord End Terminal Back Up AC Terminal Cord End Terminal On Grid AC Terminal Cord End Terminal ...

Page 18: ... 1 Appearance Introduction Sub Master BMS Inverter positioner Top Front Bottom Left side Inverter COM Service COM Earth point Battery DC Output Battery DC Output DC Isolator Indicator light Battery positioner socket Terminal positioner socket Battery Negative B Battery Negative B Earth cable ...

Page 19: ...odule Battery positioner plug Top Front Right side Bottom Terminal positioner plug Earth cable BMU Power Supply BMU Power Supply CAN L CAN H Battery Positive B Negative pole Handle Battery positioner socket Positive pole Battery Positive B Earth cable Terminal positioner socket ...

Page 20: ... Hybrid Series User Manual 20 356mm 698mm Base module Battery positioner plug Terminal positioner plug Earth cable CAN COM Resistor Pre installed CAN COM Resistor Pre installed Battery Positive B Battery Positive B ...

Page 21: ...on order Dimension W H D mm 698 356 137 Weight 11kg Operating Temperature 20 55 Ingress Protection IP21 Optional IP65 need to be confirmed upon order Installation Method Stackable Warranty 10 years Nominal Voltage Capacity per Module 76 8 3 84KWH Expand Capability Up to 8 Modules series at 614V 30 7KWH DOD Recommended 90 Max Charge Discharge Current A 50A Continual Recommend Charge Discharge Curre...

Page 22: ...ed Sub Master BMS BCU 300MM Positive Power Cables from Battery to Inverter 300MM Negative Power Cables from Battery to Inverter M6 Plastic Expansion Pipe and Self tapping Screw 3 84KWH Li HV LFP Battery Modules Stackable Grounding Wire 300mm from Battery to Inverter Base for Stackable Li HV all in one system Main units Standard Accessories ...

Page 23: ...of the inverter installation location should be between 30 C and 60 C The surface temperature of the inverter may reach up to 75 C To avoid risk of burns do not touch the inverter while it s operating and inverter must be installed out of reaching of children The area is completely water proof The floor is flat and level There are no flammable or explosive materials The ambient temperature is with...

Page 24: ...all the base 2 Install the battery module and Sub Master BMS 3 Install the inverter 4 Cables connection 5 Install the cables cover and wall mounting support Installation procedure summary System component Kit for Wall Mounted All in One Kit Cables cover Main control Battery module Base ...

Page 25: ... the installation environment to ensure ground level Place the base on the ground and make sure it is level and stable After the base is installed the remaining battery and Sub Master BMS are then placed in turn Once each battery or Sub Master BMS is in place tighten it with four m4 screws on the left and right side 1 M4 screws 1 M4 screws ...

Page 26: ...ne Kit put the All in One Kit to the stacked battery and Sub Master BMS Monuting the kit for wall mounted and tighten them with M6 plastic expansion pipes and self tapping screws and screws Connet the cables between inverter and Sub Master BMS as is shown in page24 and then monting the cables cover 1 1 M6 plastic expansion pipes and self tapping screws 2 2 screws 3 Cables cover ...

Page 27: ...r BMS need to be connected The picture on this page shows the cables connection Please follow the instruction and make sure all the cables are connected correctly 4 3 Cables Connection Warning Please make sure the main switch at OFF position during installation to guarantee high voltage protection PV1 ON OFF PV2 BAT WiFi GPRS METER BMS COM ON GRID ON GRID BAK UP BAK UP Positive power cable Negativ...

Page 28: ...y cause damage to the electronic components of the inverter Anti static measures should be taken during the repairing or installation Attention Do not use other brands or other types of PV terminals other than the PV terminal in the accessory package M TEC has the right to refuse all damages caused by the mixed use of terminals This diagram shows M TEC 10kW hybrid inverter wiring structure and com...

Page 29: ...RJ45 BMS RJ45 Meter B B Battery M TEC Hybrid Inverter Meter Danger Do not connect the N wire as a protective ground wire to the inverter casing Otherwise it may cause electric shock Attention Good grounding is good for resisting surge voltage shock and improving EMI performance Inverters must be well grounded For a system with only one inverter just ground the PE cable For a multi inverter system ...

Page 30: ... grounding hole in the lower right side of the inverter Inverter PV string connection The following principles must be considered when making electrical connections to the inverter 1 Disconnect the AC breaker on the grid side 2 The DC switch of the inverter must be turned to the OFF position 3 The number and type of the PV panels connected in the two strings of one MPPT must be same 4 Make sure th...

Page 31: ...ssional crimping plier pull back the cable with some power to check if it s tight enough 5 Insert the positive and negative cables into the corresponding positive and negative connectors pull back the cable to ensure that the terminal is tightly attached in the connector 2 Peel off the DC cable insulation sleeve for 7 mm Cable type Conductor transverse area mm General photovoltaic cable Scope mm R...

Page 32: ... the grid side 2 Disconnect the breaker on the battery side 3 Turn the inverter DC switch to the OFF position 4 Make sure the maximum input voltage of battery is within the inverter limitation 180 750V For 3 84kWh LFP module the operation voltage range of each battery module is 60V 87 6V so usually suggested to series connected 3 to 8 modules for M TECH Energy Butler Series 7 Insert the positive a...

Page 33: ...iver to open the clamping bracket in the connector 4 Insert the stripped DC cable to the battery connector deep enough and toggle the clamping bracket to make sure it tightly locked with the stripped cable 5 Push the battery connector to the thread joint and use an open wrench to lock the connector in a torsion of 2Nm tightly Cable type Conductor transverse area mm AWG 10 Outside diameter mm Condu...

Page 34: ... any loads cannot be connected with inverter directly 2 Before making the connection of AC cable please confirm all DC AC power source are disconnected from the inverter 3 The M TEC Energy Butler three phase high voltage hybrid inverter applies to the three phase power grid with a voltage of 230 400V and a frequency of 50 60Hz AC connector assembly procedures The recommended AC cable and AC breake...

Page 35: ...ped AC cables through the AC connector cover in the sequence 3 Put the cord end terminals on the stripped conductors one by one and press with some pressure to make it tightly locked with the conductors Wire Diameter 12 18mm Strip Length 8mm 40 60mm Cables Screw cap The insulator AC sheet cover BACK UP ON GRID Single hole seal ring Caution The cold pressed terminals must be locked tightly and make...

Page 36: ...r cover to the inverter with screws 4 Lock the well pressed cord end terminals into the AC connector in the accessory bag and make sure the cables sequence is in line with the mark on the connector ON GRID BACK UP Caution Please distinguish the on grid and back up port and don t mix up the on grid port and back up port when making the connection ...

Page 37: ...ual otherwise the inverter may not be working normally Attention The CT has to be corresponding with the port in the meter and the connection between CT and Meter needs to be reliable otherwise the CT measurement accuracy may be affected Note The rated current of CT in the inverter accessory box is 80A and the maximum allowed inserted cable diameter is 16mm If the max current through the CT exceed...

Page 38: ...o detect current 6 L1 S2 7 L2 S1 8 L2 S2 9 L3 S1 10 L3 S2 12 L Power supplied from 220V grid 13 N RS485 RS485 Communicate with inverter House Grid 9 10 21 22 23 RS485 5678 1 2 3 4 12 13 Meter terminals definition 2 The three CTs have already well connected on the Meter while you received and you just need to follow the wiring diagram in the Meter to connect CT ...

Page 39: ...rface RLYOUT Dry contact output a group of normally open contact passive dry contact PARCAN EMS RLYOUT Cables BMS COM Cable Screw cap The insulator Screw Com sheet cover Single hole seal ring 2 4 6 1 3 5 Communication wiring illustration All communication ports are hidden behind the communication terminal in the bottom of inverter which are include Meter port CAN port BMS port EMS port relay outpu...

Page 40: ...terface cable A 10M length meter communication cable is already attached to the inverter when you received it and this cable could be extended up to 100M Insert the RJ45 heads into the meter RS485 port Dismantle the cover of the communication ports with a screwdriver and put all communication cables through the holes and follow the illustration below to make the connection of each communication ca...

Page 41: ... to insert it to the BMS interface of the inverter and Sub Master BMS 1 The EMS communication between inverter and battery should be connected through the RJ45 cable that is attached to the inverter when you need to control the work of the hybrid inverter 2 M TEC 10kW hybrid inverter integrated a set of relay output dry contacts with the contact capacity 230Vac 1A or 30Vdc 1A that are very useful ...

Page 42: ...y regulation and M TEC doesn t provide the DRED device for the customer DRED connection uses the 6pin terminal on the left side and you can use the matching 6pin terminal in the accessory box to make the connection One key to shut off M TEC hybrid inverter comes with one key to shut off function and you can use this function by connecting an external switch into the DRED interface if it requires i...

Page 43: ...ording to your preference Plug the WiFi or LAN module into the WiFi GPRS port in the bottom of inverter by following the direction the side with indicator is up A slight click sound during the installation represents that the assembly is in place For detailed monitoring system setup please refer to manual M TEC Li HV AIO Monitoring 5 3 Monitoring Device Installation ...

Page 44: ...e which you set on the App The inverter display and indicators will show relative parameters and status Turn on the DC Switch on the Sub Master BMS When the indicator light on the Sub Master BMS flashing 5 times with solid green or the display show correct system information with no error Turn off the DC Switch on the Sub Master BMS When turning off the inverter please follow the steps below 1 Shu...

Page 45: ...e General Settings Fault Info Modbus Addr Power Factor Product Model RSSI Time Set Feed in Grid xxx H Total Safty Set Safty Code Language Set Export Limit Meter E Total WorkMode Set Battery_ID Set Batt Para VbakA VbakB VbakC IbakA IbakB IbakC FreqA FreqB FreqC Meter E Day Checking Normal Pac Error Code When the inverter is turned on the following interfaces will be displayed on the OLED display an...

Page 46: ...1 3 Remote set as 0 Local set as 1 then the test order is 59 S1 59 S2 27 S1 81 S2 81 S2 Connect the AC cable auto test will start after the inverter connected to the grid see the operation steps below M TEC inverter provides a monitoring port that can collect data from the inverter and transmit it to monitoring website via an external monitoring data collector WiFi or LAN module Please check the W...

Page 47: ...l electricity company DCI Fault 1 Restart the inverter 2 Seek for help from the installer or manufacture ISO Over Limitation 1 Restart the inverter 2 Seek for help from the installer or manufacture GFCI Fault 1 Restart the inverter 2 Seek for help from the installer or manufacture PV Over Voltage Reduce the number of PV panels to make sure the open circuit voltage of each string is lower than the ...

Page 48: ...t least 5 minutes for inner capacitors to discharge completely 3 Verify that there is no voltage or current before pulling any connector Caution Keep non related persons away Caution A temporary warning sign or barrier must be posted to keep non related persons away while performing electrical connection and service work Attention Restart the inverter only after removing the fault that impairs saf...

Page 49: ...Energy Butler Hybrid Series User Manual 49 Tel 43 7612 20805 Website http www mtec wp com Address Aumühlweg 20 4812 Pinsdorf ...

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