Microcare 5kW48V User manual

Pure Sine Wave Inverter
5 kW 48V
8 kW 48V
User Manual
Manual Version: INV-5-8kW-LION- 2021-1-V21R1

Table of Contents
Unpacking and Inspection..............................................................................................................1
Glossary of Terms..........................................................................................................................3
IMPORTANT INFORMATION AND SAFETY INSTRUCTIONS .............................................4
INTRODUCTION....................................................................................................................5
2.1 General Description..........................................................................................................5
2.2 Key Features ....................................................................................................................5
OPERATION MODES ............................................................................................................6
3.1 UPS System .....................................................................................................................6
3.2 Off-Grid System (No Grid Supply ) ...................................................................................6
3.3 Grid Assisted Solar Power System...................................................................................6
INVERTER OVERVIEW .........................................................................................................7
4.1 Inverter Front & Side View................................................................................................7
INVERTER OVERVIEW .........................................................................................................8
5.1 Inverter Layout..................................................................................................................8
INVERTER INSTALLATION...................................................................................................9
6.1 Planning the Installation....................................................................................................9
6.2 Installing the Inverter Mounting Bracket..........................................................................10
GENERAL WIRING INFORMATION....................................................................................11
7.1 Earthing Of the Equipment..............................................................................................12
7.2 Inverter Neutral Connection............................................................................................13
7.2.1 Inverter Connected to the Grid.................................................................................13
7.2.2 Off-Grid Connection .................................................................................................13
7.3 AC Wiring........................................................................................................................14
7.4 Pre-Wiring Procedure.....................................................................................................14
7.5 Inverter AC Input wiring ..................................................................................................14
7.6 Inverter AC Output wiring ...............................................................................................14
7.7 DC Wiring .......................................................................................................................16
7.8 Battery Connection Methods...........................................................................................16
7.8.1 Series Connection....................................................................................................16
7.8.2 Parallel Connection..................................................................................................16
7.8.3 Series and Parallel Connection................................................................................16
7.9 V1 Lithium Ion Interface –Freedom Won BMS Wiring Diagram.....................................17
7.9.1 Wiring Designation...................................................................................................17
7.10 V2 Lithium Ion Interface –Freedom Won BMS Wiring Diagram..................................18
7.10.1 100A MPPT and Inverter ......................................................................................18
7.10.2 60A MPPT and Inverter ........................................................................................18

7.11 V2 Lithium Ion Interface –Solar MD Logger Wiring Diagram......................................19
7.11.1 100A MPPT and Inverter ......................................................................................19
7.11.2 60A MPPT and Inverter ........................................................................................19
7.12 V1 Lithium Ion Interface With No BMS........................................................................20
7.13 V2 Lithium-Ion Interface With No BMS........................................................................21
7.14 Maintenance and service.............................................................................................22
INVERTER OPERATION .....................................................................................................23
8.1 Front Panel LCD Display/Keypad and Description .........................................................23
8.2 Inverter Status LED’s......................................................................................................23
8.2.1 Inverter ON and Grid Supplying the Load ................................................................24
8.2.2 Inverter ON and the Battery Supplying the Load “Inverter Mode” ............................24
8.2.3 Inverter Displaying WARNING “Battery Low Battery Capacity”................................24
8.2.4 Inverter Warning Switched OFF due to Battery LOW/HIGH Battery Voltage ...........24
8.3 Checks Prior To Start-Up................................................................................................25
8.4 Start-Up Procedure.........................................................................................................26
8.5 Switching the Inverter On & Off ......................................................................................26
8.5.1 Switching the inverter “ON” ......................................................................................26
8.5.2 Switching the inverter “OFF” ....................................................................................26
INVERTER MENU................................................................................................................27
9.1 Power rating of the UPS.................................................................................................27
9.2 Battery Volts and Amps ..................................................................................................27
9.3 Battery Charge Amps and Volts......................................................................................27
9.4 Output Volts and Amps...................................................................................................27
9.5 Grid Volts and Grid Amps...............................................................................................27
9.6 Temperature...................................................................................................................27
9.7 Signal Strength...............................................................................................................27
9.8 Serial Number & Software Version...............................................................................27
9.9 System Setup .................................................................................................................28
9.10 Battery Setup...............................................................................................................28
9.11 Log Menu ....................................................................................................................28
9.12 Exit & Save..................................................................................................................28
9.13 Restore Factory Settings.............................................................................................28
9.14 Exit Do Not Save.........................................................................................................28
BATTERY SETUP SETTINGS...........................................................................................29
10.1 Battery Setup Settings - Quick Reference Guide........................................................29
10.2 Battery Setup Procedure .............................................................................................30
10.3 Battery Type................................................................................................................30

10.4 Battery Charging Rate.................................................................................................30
10.5 AC Input Power From Generator.................................................................................31
10.6 Battery Boost Voltage..................................................................................................31
10.6.1 Battery Boost Voltage Settings .............................................................................31
10.7 Battery Float Voltage...................................................................................................32
10.7.1 Battery Float Voltage Settings...............................................................................32
10.8 Battery Boost Time......................................................................................................32
10.9 Battery Low Voltage Shut Down..................................................................................33
10.10 Force Charge...............................................................................................................33
SETUP MENU SETTINGS.................................................................................................34
11.1 Setup Menu - Quick Reference Guide........................................................................34
11.2 Setup Menu Settings...................................................................................................35
11.3 UPS Mode...................................................................................................................35
11.4 Solar Control Mode......................................................................................................35
11.5 Load Shedding Mode ..................................................................................................36
11.6 Battery Run To Voltage...............................................................................................36
11.7 AC Run To Voltage......................................................................................................37
11.8 Transfer Switch Time...................................................................................................37
11.9 Load Monitoring...........................................................................................................38
11.10 Inverter Output Power .................................................................................................38
11.10.1 AC Output = Normal..............................................................................................38
11.10.2 AC Output = 200%................................................................................................38
11.11 Load Transfer Time.....................................................................................................39
11.12 Save/Restore/ Do Not Save Menu...............................................................................39
LOGS.................................................................................................................................40
12.1 Battery Voltages..........................................................................................................40
12.2 Battery Currents ..........................................................................................................40
12.3 Grid Voltage ................................................................................................................40
12.4 Grid Current.................................................................................................................40
12.5 UPS Voltages..............................................................................................................40
12.6 UPS Current................................................................................................................40
12.7 Thermal Log ................................................................................................................40
12.8 Total Run Time............................................................................................................40
12.9 Run Time on Battery....................................................................................................40
12.10 Time on Battery...........................................................................................................40
12.11 No of Overloads...........................................................................................................40
12.12 No of Short Circuits .....................................................................................................41

12.13 Forced Shutdown Counts............................................................................................41
12.14 Power Failure Counts..................................................................................................41
12.15 Reset a few logs..........................................................................................................41
12.16 Exit Recorded Log.......................................................................................................41
12.17 Delete All Logs ............................................................................................................41
TROUBLESHOOTING.......................................................................................................42
SPECIFICATIONS OF INVERTERS..................................................................................43
14.1 5kW48 V Inverter Specifications..................................................................................43
14.2 8kW48 V Inverter Specifications..................................................................................44
LIMITED CARRY- IN WARRANTY....................................................................................45
REGISTRATION OF MY MICROCARE PRODUCT ..........................................................47
This manual applies to the Microcare 5kW & 8kW Inverter with Software Version:
V21R1