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Humless BATUNI20/6 User Manual Download Page 19

 

Version: 1.2 November 2022 © Humless 2022 

www.humless.com 

Page 19 

 

 
 
 
10.1 Pin Assignment for RS-232 Communication Port 
 

 

 
10.2 Pin Assignment for BMS Communication Port 

 

 

 

10.3 Dry Contact Signal 

There is one dry contact available on the bottom panel, this can be used to control the external generator. 

 
Electrical Parameters 
 

 

 
 
Note: The application of the dry contact should not exceed the electric parameter shown above as this will damage 
the internal relay. 
 
 
 
 
 
 
 
 
 

Summary of Contents for BATUNI20/6

Page 1: ...Universal 6kW Inverter UL 9540 SGS NA Listed Mark and UL 1741 Listed User Manual Version 1 2 of 2022 IT IS IMPORTANT TO READ AND UNDERSTAND THIS ENTIRE MANUAL PRIOR TO OPERATING AND INSTALLING THIS EQ...

Page 2: ...he Unit 8 5 Grid Utility Connection 9 5 1 Preparation 9 5 2 Connecting to the AC Utility 10 6 Generator connection 10 6 1 Preparation 11 6 2 Connecting to the Generator Input 11 7 PV Module DC Connect...

Page 3: ...Touch Screen Function Keys 34 13 4 LCD Settings 36 13 5 Query Menu Operation 44 13 6 Operation Mode Display 50 14 Charging Management 55 15 Maintenance Cleaning 57 16 Trouble Shooting 58 16 1 Warnings...

Page 4: ...the utility When MPP input voltage of PV modules are within an acceptable range see specification for the details this Inverter is able to generate power to feed the Grid utility and charge the batte...

Page 5: ...2 Humless 2022 www humless com Page 5 2 Important Safety Information Before using the Inverter please read all instructions and cautionary markings on the unit and this manual Store the manual where i...

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Page 7: ...Version 1 2 November 2022 Humless 2022 www humless com Page 7 3 Unpacking Overview...

Page 8: ...r antenna cable Do not install more than 6500ft 2000m above sea level Do not install in an area exposed to the elements Do not install in an area with a humidity greater than 95 4 2 Selecting Mounting...

Page 9: ...e install a separate AC breaker between the Inverter and the Grid This will ensure the Inverter can be safely disconnected during maintenance and fully protected from overcurrent The recommended size...

Page 10: ...n 1 Before making an AC input connection be sure to open the DC protector or disconnector first 2 Remove the insulation sleeve 7mm for four conductors 3 Insert AC input wires according to the polariti...

Page 11: ...mportant for system safety and efficient operation to use the appropriate cables for the generator connection To reduce the risk of injury please use the proper recommended cable size as below Suggest...

Page 12: ...00VDC This system is applied with two strings of PV array Please make sure that the maximum current load of each PV input connector is 15A Step 2 Disconnect the circuit breaker and switch off the DC s...

Page 13: ...ess 2022 www humless com Page 13 CAUTION Never directly touch the terminals of the Inverter as this could result in lethal electric shock CAUTION When PV modules are exposed to sunlight they may gener...

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Page 15: ...er to connect the battery Step 1 Check the nominal voltage of the batteries The nominal input voltage for the Inverter is 48VDC Step 2 Use two battery cables Remove the insulation sleeve 10 mm and ins...

Page 16: ...ut Connection 9 1 Preparation CAUTION To prevent further supply to the load via the Inverter during any mode of operation an additional disconnection device should be placed in the building wiring ins...

Page 17: ...efore making the output connection be sure to open the DC protector or disconnector first Step 2 Remove the insulation sleeve 7mm for four conductors Step 3 Insert AC input wires according to the pola...

Page 18: ...n the next chapter Once the software is installed you may initiate the monitoring module and read data through the communication port Wi Fi Connection This unit is equipped with a Wi Fi transmitter Wi...

Page 19: ...Assignment for BMS Communication Port 10 3 Dry Contact Signal There is one dry contact available on the bottom panel this can be used to control the external generator Electrical Parameters Note The a...

Page 20: ...Version 1 2 November 2022 Humless 2022 www humless com Page 20 Function Description...

Page 21: ...h on the PV DC breaker After that if there is a utility connection please switch on the AC circuit breaker Please note that the Inverter is live at this point however there is no output generation for...

Page 22: ...he software manual included in this document Step 1 After turning on the Inverter and installing the software please click Open Monitor to enter the main screen of this software Step 2 Login to the so...

Page 23: ...optimized electricity usage Grid Tie PV power only can feed in back to the Grid Off Grid PV power only provides power to the load and charge battery No feed in back to the Grid is allowed SECTION A St...

Page 24: ...ource PV is available When the Battery is set to a higher priority than Grid in the Load supply source PV is available this option is selected by default Under Grid tie this option is not available Al...

Page 25: ...f the Grid is not available then the battery will provide backup power When PV power is not available 1st Grid 2nd Battery Default The Grid will provide power to the load at first If the Grid is not a...

Page 26: ...e at the same time battery power will back up When PV power is not available 1st Grid 2nd Battery The Grid will provide power to the load at first If the Grid is not available battery power will provi...

Page 27: ...ower will provide power to the load first If it s not sufficient the Grid will provide power to the load If the Grid is not available at the same time battery power will back up When PV power is not a...

Page 28: ...ad When PV power is not available battery power will supply the load first If battery power has run out the Grid will back up the load Working logic under off peak time PV energy supply priority 1st B...

Page 29: ...2 November 2022 Humless 2022 www humless com Page 29 Grid Tie Under this operation mode PV power only feeds in to the Grid No priority setting is available Off Grid Off Grid I Default setting for off...

Page 30: ...PV power is available 1st PV 2nd Battery 3rd Grid Default PV power will provide power to the load first If this is not sufficient battery power will provide power to the load When battery power is de...

Page 31: ...charge the battery None No charging of the battery by either PV or the Grid NOTE AC charging duration can be set up in this mode Load supply source When PV power is available 1st PV 2nd Grid 3rd Batte...

Page 32: ...first If PV power is unavailable the Grid will charge the battery PV only Only PV power is used to charge the battery None No charging of the battery by either PV or the Grid NOTE AC charging duratio...

Page 33: ...r touchable function keys and an LCD display to indicate the operating status and input output power information NOTICE To accurately monitor and calculate the energy generation please calibrate the t...

Page 34: ...Version 1 2 November 2022 Humless 2022 www humless com Page 34 13 3 Touch Screen Function Keys...

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Page 36: ...Key Operation 13 4 LCD Setting After touching and holding both the UP and DOWN buttons for 2 seconds the unit will enter setting mode Press the UP or DOWN button to select setting programs And then pr...

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Page 44: ...changed in the query menu via button operation Press the Enter button to enter the query menu There are seven query selections Input voltage or frequency of AC input Frequency voltage power or load pe...

Page 45: ...Version 1 2 November 2022 Humless 2022 www humless com Page 45 Frequency voltage power or percentage of AC output Procedure Input voltage or power of PV input Procedure...

Page 46: ...022 Humless 2022 www humless com Page 46 Switch LCD Displayed Information The LCD display information will be switched in turns by pressing the or key The selectable information is switched as the fol...

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Page 50: ...ion Mode Display Below is only contained LCD display for Grid tie with backup mode I If you need another operation mode set on the LCD display please check with the installer Inverter mode with Grid c...

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Page 52: ...Version 1 2 November 2022 Humless 2022 www humless com Page 52 Inverter mode without the Grid connected Inverter is working with DC INV operation and is not connected to the Grid...

Page 53: ...Version 1 2 November 2022 Humless 2022 www humless com Page 53 Bypass mode The Inverter is working without DC INV operation and is connected to the loads...

Page 54: ...Version 1 2 November 2022 Humless 2022 www humless com Page 54 Standby mode The Inverter is working without DC INV operation and load connected...

Page 55: ...ing Sealed lead acid battery please set up the max charging current according to the below formula The maximum charging current Battery capacity Ah x 0 2 For example if you are using 300 Ah battery th...

Page 56: ...Version 1 2 November 2022 Humless 2022 www humless com Page 56 Setting screen...

Page 57: ...teries replace with the same type and number of batteries or battery packs The following precautions should be observed when working on batteries a Remove watches rings or other metal objects b Use to...

Page 58: ...nnected NOTE The warning and fault information can be recorded by remote monitoring software 16 1 Warning List There are 17 states defined as warnings When a warning state occurs an icon will flash Pr...

Page 59: ...Version 1 2 November 2022 Humless 2022 www humless com Page 59 16 2 Fault Reference Codes When a fault occurs the ERROR icon will flash Below are the fault codes for reference...

Page 60: ...Version 1 2 November 2022 Humless 2022 www humless com Page 60 17 Specifications...

Page 61: ...Version 1 2 November 2022 Humless 2022 www humless com Page 61 Power derates 1 for every 100m when the altitude is over 1000m...

Page 62: ...Version 1 2 November 2022 Humless 2022 www humless com Page 62 Appendix I Parallel Installation Guide Introduction...

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Page 65: ...Version 1 2 November 2022 Humless 2022 www humless com Page 65 Inverter Configuration Two Inverters in parallel...

Page 66: ...humless com Page 66 Setting and LCD Display Setting Program The parallel function setting is only available through the SolarPower software Please install SolarPower on your PC first You can set each...

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Page 69: ...s and monitoring platforms Users have complete and remote monitoring and control for Inverters when using the SolarPower APP The app is available for both iOS and Android based devices All data logger...

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Page 74: ...2022 Humless 2022 www humless com Page 74 After you have successfully logged in you can access the Overview page to have an overview of your devices including an overall view and Today s power as per...

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