Microcare 5kW48V Manual de usuario

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 
1 General Description..........................................................................................................5 
2 Key Features ....................................................................................................................5 
 OPERATION MODES ............................................................................................................6 
1 UPS System .....................................................................................................................6 
2 Off-Grid System (No Grid Supply ) ...................................................................................6 
3 Grid Assisted Solar Power System...................................................................................6 
 INVERTER OVERVIEW .........................................................................................................7 
1 Inverter Front & Side View................................................................................................7 
 INVERTER OVERVIEW .........................................................................................................8 
1 Inverter Layout..................................................................................................................8 
 INVERTER INSTALLATION...................................................................................................9 
1 Planning the Installation....................................................................................................9 
2 Installing the Inverter Mounting Bracket..........................................................................10
 GENERAL WIRING INFORMATION....................................................................................11
1 Earthing Of the Equipment..............................................................................................12
2 Inverter Neutral Connection............................................................................................13
2.1 Inverter Connected to the Grid.................................................................................13
2.2 Off-Grid Connection .................................................................................................13
3 AC Wiring........................................................................................................................14
4 Pre-Wiring Procedure.....................................................................................................14
5 Inverter AC Input wiring ..................................................................................................14
6 Inverter AC Output wiring ...............................................................................................14
7 DC Wiring .......................................................................................................................16
8 Battery Connection Methods...........................................................................................16
8.1 Series Connection....................................................................................................16 
8.2 Parallel Connection..................................................................................................16
8.3 Series and Parallel Connection................................................................................16
9 V1 Lithium Ion Interface –Freedom Won BMS Wiring Diagram.....................................17
9.1 Wiring Designation...................................................................................................17
10 V2 Lithium Ion Interface –Freedom Won BMS Wiring Diagram..................................18
10.1 100A MPPT and Inverter ......................................................................................18
10.2 60A MPPT and Inverter ........................................................................................18

 
11 V2 Lithium Ion Interface –Solar MD Logger Wiring Diagram......................................19
11.1 100A MPPT and Inverter ......................................................................................19
11.2 60A MPPT and Inverter ........................................................................................19
12 V1 Lithium Ion Interface With No BMS........................................................................20
13 V2 Lithium-Ion Interface With No BMS........................................................................21
14 Maintenance and service.............................................................................................22
 INVERTER OPERATION .....................................................................................................23
1 Front Panel LCD Display/Keypad and Description .........................................................23
2 Inverter Status LED’s......................................................................................................23
2.1 Inverter ON and Grid Supplying the Load ................................................................24 
2.2 Inverter ON and the Battery Supplying the Load “Inverter Mode” ............................24
2.3 Inverter Displaying WARNING “Battery Low Battery Capacity”................................24
2.4 Inverter Warning Switched OFF due to Battery LOW/HIGH Battery Voltage ...........24
3 Checks Prior To Start-Up................................................................................................25
4 Start-Up Procedure.........................................................................................................26
5 Switching the Inverter On & Off ......................................................................................26
5.1 Switching the inverter “ON” ......................................................................................26
5.2 Switching the inverter “OFF” ....................................................................................26
 INVERTER MENU................................................................................................................27
1 Power rating of the UPS.................................................................................................27
2 Battery Volts and Amps ..................................................................................................27
3 Battery Charge Amps and Volts......................................................................................27
4 Output Volts and Amps...................................................................................................27
5 Grid Volts and Grid Amps...............................................................................................27
6 Temperature...................................................................................................................27
7 Signal Strength...............................................................................................................27
8 Serial Number & Software Version...............................................................................27
9 System Setup .................................................................................................................28
10 Battery Setup...............................................................................................................28
11 Log Menu ....................................................................................................................28
12 Exit & Save..................................................................................................................28 
13 Restore Factory Settings.............................................................................................28
14 Exit Do Not Save.........................................................................................................28 
 BATTERY SETUP SETTINGS...........................................................................................29
1 Battery Setup Settings - Quick Reference Guide........................................................29
2 Battery Setup Procedure .............................................................................................30
3 Battery Type................................................................................................................30

 
4 Battery Charging Rate.................................................................................................30
5 AC Input Power From Generator.................................................................................31
6 Battery Boost Voltage..................................................................................................31
6.1 Battery Boost Voltage Settings .............................................................................31
7 Battery Float Voltage...................................................................................................32
7.1 Battery Float Voltage Settings...............................................................................32
8 Battery Boost Time......................................................................................................32
9 Battery Low Voltage Shut Down..................................................................................33
10 Force Charge...............................................................................................................33
 SETUP MENU SETTINGS.................................................................................................34
1 Setup Menu - Quick Reference Guide........................................................................34
2 Setup Menu Settings...................................................................................................35
3 UPS Mode...................................................................................................................35
4 Solar Control Mode......................................................................................................35
5 Load Shedding Mode ..................................................................................................36
6 Battery Run To Voltage...............................................................................................36
7 AC Run To Voltage......................................................................................................37
8 Transfer Switch Time...................................................................................................37
9 Load Monitoring...........................................................................................................38
10 Inverter Output Power .................................................................................................38
10.1 AC Output = Normal..............................................................................................38
10.2 AC Output = 200%................................................................................................38
11 Load Transfer Time.....................................................................................................39
12 Save/Restore/ Do Not Save Menu...............................................................................39
 LOGS.................................................................................................................................40
1 Battery Voltages..........................................................................................................40 
2 Battery Currents ..........................................................................................................40
3 Grid Voltage ................................................................................................................40
4 Grid Current.................................................................................................................40
5 UPS Voltages..............................................................................................................40
6 UPS Current................................................................................................................40
7 Thermal Log ................................................................................................................40
8 Total Run Time............................................................................................................40
9 Run Time on Battery....................................................................................................40
10 Time on Battery...........................................................................................................40
11 No of Overloads...........................................................................................................40
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 
 

Unpacking and Inspection

Upon receipt the unit should be unpacked and inspected for any damage during

shipment. Verify that the contents of the box include:

1 x Inverter as per the Identification Label

1 x Wall mounting bracket

1 x V2 Lithium Interface Cable

1 x V2 Lithium Interface Termination Socket

1 x User Manual (Warrantee registration information)

The identification labl is position on the top of the inverter.

This manual applies to the Microcare 5kW & 8kW Inverter with Software Version:

V21R1

Please note that if the LITHIUM-ION Interface is not connected to a

BMS, terminate the

Inverter and MPPTS as below with the supplied termination

sockets.

If the termination socket is not fitted to the Inverter

•The Inverter will not charge the batteries.

•The Inverter will not switch power to the load.

If the termination socket is not fitted to the MPPT

•The MPPT charger will not charge the batteries.

Fit the termination Socket as indicated Below

Glossary of Terms

AC Alternating Current

Ah Rated battery capacity specified in Ampere-Hour.

AC Run To T

he level the solar regulator will charge the battery to before the inverter

switches back to battery power

AC Source The primary AC input that is connected to the inverter, e.g., Mains Grid or

Generator.

Bat Run To The level the battery discharges to before switching to mains power.

Bat Off At The voltage at which the inverter will disconnect the load from the batteries.

DC Direct Current.

Grid Connected A system that is connected to the grid.

Inverter Is an electronic device or circuitry that changes direct current (DC) to alternating

current (AC).

Inverter Mode The inverter is producing AC from the batteries.

LED Light emitting diode.

Load Electrical appliance or device to which an electrical voltage is fed

Off-Grid A system not connected to the grid

SolarArray Acollection ofSolarPanels.

PV PhotoVoltaicsolarpower.

State of Charge (SoC) Referring to the battery charge condition.

Sealed Battery A lead acid battery with no access to the electrolyte - either valve regulated or

gel. No

hydrogen gas discharge during normal operation.

Flooded Battery A lead acid battery with access caps for maintaining the electrolyte - replacing

water

lost during recharge operations. Hydrogen gas discharged during normal

recharge

SoC State of Charge is the amount of charge in the battery bank expressed as a % of

the

battery capacity. When SoC = 100% the battery is fully charged. When the

SoC is 50%

then the battery is half charged.

IMPORTANT INFORMATION AND SAFETY INSTRUCTIONS

•Installers should be qualified electricians or technicians.

•The installation information in the manual is for information purposes only.

•The monitoring and operation information in this manual is intended for anyone who needs to

operate the inverter.

•The inverter output cannot be paralleled with another inverter or AC source.

•Read the instructions carefully before installing and operating the Inverter.

•Inverter connection and installation instructions must be followed.

•The unit should only be opened by skilled personal.

•To reduce risk of electric shock, disconnect all wiring before making any attempt to maintain or

to clean the unit. Turning off the INVERTER will not reduce this risk.

•Retain the load within the rating of Inverter to prevent faults.

•Keep the Inverter clean and dry.

•The Inverter will not operate without batteries.

•The Inverters should be installed indoors, in a ventilated and dry area.

•The mounting surface should be able to support the weight of the inverter.

•Mount the inverter vertically.

•Do not install the Inverter on a rugged or inclined surface.

•Do not install the Inverter near water or in a damp environment.

•Do not install the Inverter where it would be exposed to direct sunlight.

•Do not remove the inverter casing while the unit is powered on.

•Keep the Inverter away from heat emitting sources.

•Do not block the inverter ventilation openings.

•Do not leave objects on top of the Inverter.

•Do not expose the Inverter to any corrosive gasses.

•Install the inverter away from any explosive gasses.

•Ambient temperature: 0°C –40°C

•AC Input and Output circuit breakers have not been provided and must be installed.

•The INVERTER must be used with a battery supply of nominal voltage that matches the

inverter as on the “Identification Label”.

•Sketches are intended for illustrative purposes only and are not intended to provide an

electrical design.

Do not switch the battery breaker off when the unit is operating or in any other

mode when connected to the grid.

Damage caused by reverse polarity, lightning and surges is not covered by

warranty.

WARNING

High AC voltage present and is capable of causing severe injury.

INTRODUCTION

2.1 General Description

The Microcare Inverters comes with the latest software included, to improve the automatic change

over from the grid to the Inverter. Our cutting edge software innovations allow for uninterrupted

supply to a range of applications from a sensitive server room to industrial machines. The Inverter is

able to anticipate load failure and pre-charges the circuits for rapid transfer of power and change-over

up to 4 times faster. The Microcare Inverter can run at 200% the capacity continuously when the grid

is present and should the grid fail, the Inverter will return to its rated power. Microcare Inverters use

galvanic isolation which makes them highly robust and reliable with low standby current and high

efficiency.

2.2 Key Features

•Bi-Directional Inverter.

•UPS, Off-Grid or Solar Grid Assisted Mode.

•LCD display and low idle current.

•High surge capacity for motor start.

•Timed overload capacity with auto shutdown.

•Adjustable transfer switch time.

•3-Attempt auto restart with short circuit protection.

•Built in, high rate, multi-stage battery charger.

•Minimum local service turnaround time with a 3-year warranty.

•Fan cooling for optimum performance and component longevity.

•Audible buzzer indicating faults, overload and status.

•Wall Mounted.

•User adjustable settings.

•Remote monitoring via GSM (Optional) or Battery Monitor and Web Logger (Optional)

•Manufactured in South Africa.

Please Note:

This Inverter is pre-programmed with a set of default values.

These settings might not be correct for your battery type.

Please contact your battery supplier for your battery specifications

“Battery Float Voltage, Boost Voltage, Boost to Float Time “ Absorb Time”

and program the Inverter accordingly

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