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AB-ESS3000LV 

INVERTER / CHARGER 

Version: 1.2 EN 

 

 

User Manual

 

 

Summary of Contents for AB-ESS3000LV

Page 1: ...AB ESS3000LV INVERTER CHARGER Version 1 2 EN User Manual...

Page 2: ...10 Communication Connection 10 Dry Contact Signal 10 OPERATION 11 Power ON OFF 11 Operation and Display Panel 11 LCD Display Icons 12 LCD Setting 14 Display Setting 19 Operating Mode Description 22 F...

Page 3: ...g Turning off the unit will not reduce this risk 5 CAUTION Only qualified personnel can install this device with battery 6 NEVER charge a frozen battery 7 For optimum operation of this inverter charge...

Page 4: ...t to suit different applications via LCD setting Configurable priority of AC Solar Charger via LCD setting Compatible to mains voltage or generator power Automatic restart while AC is recovering Overl...

Page 5: ...tor 5 Function buttons 6 Power on off switch 7 AC input 8 AC output 9 PV input 10 Battery input 11 Circuit breaker 12 RS232 communication port 13 Parallel communication port only for parallel model 14...

Page 6: ...tion materials Mount this inverter on a solid surface Install this inverter at eye level in order to read the LCD display at all times The ambient temperature should be between 0 C and 55 C to ensure...

Page 7: ...and size of terminal Model Typical Amperage Battery Capacity Wire Size Torque Value 3KVA 24V 100A 100AH 200AH 1 4AWG 2 3 Nm Please follow the steps below to implement the battery connection 1 Remove i...

Page 8: ...ource please install a separate AC breaker between inverter and AC input power source This will ensure the inverter can be securely disconnected during maintenance and fully protected from over curren...

Page 9: ...ke sure the wires are securely connected CAUTION Important Be sure to connect AC wires with correct polarity If L and N wires are connected reversely it may cause utility short circuited when these in...

Page 10: ...modules can t exceed the maximum voltage of the PV array open circuit of the inverter 2 Open circuit Voltage Voc of PV modules should be higher than the minimum voltage of the battery Please follow th...

Page 11: ...ar panel It could be used to deliver signal to external device when battery voltage reaches warning level Unit Status Condition Dry contact port NC C NO C Power Off Unit is off and no output is powere...

Page 12: ...ing the operating status and input output power information LED Indicator LED Indicator Messages Green Solid On Output is powered by utility in Line mode Flashing Output is powered by battery or PV in...

Page 13: ...ut voltage output frequency load percent load in VA load in Watt and discharging current Battery Information Indicates battery level by 0 24 25 49 50 74 and 75 100 in battery mode and charging status...

Page 14: ...ell 1 883 V cell 50 Load 20 1 817V cell 1 817V cell 1 9V cell 1 9 1 983V cell 1 983 Load 20 1 867V cell 1 867V cell 1 95V cell 1 95 2 033V cell 2 033 Load Information Indicates overload Indicates the...

Page 15: ...the same time Utility provides power to the loads only when any one condition stated below happens Solar energy is not available Battery voltage drops to either low DC warning voltage or the setting...

Page 16: ...eptable AC input voltage range will be within 90 280VAC UPS If selected acceptable AC input voltage range will be within 170 280VAC 04 Power saving mode enable disable Saving mode disable default If d...

Page 17: ...estart disable default Restart enable 08 Output voltage 110V 120V default 09 Output frequency 50Hz default 60Hz 11 Maximum utility charging current 2A 10A 20A 30A default 40A 50A 60A 12 Setting voltag...

Page 18: ...y will charge battery as first priority Utility will charge battery only when solar energy is not available Utility first Utility will charge battery as first priority Solar energy will charge battery...

Page 19: ...le primary source is interrupted Alarm on default Alarm off 23 Overload bypass When enabled the unit will transfer to line mode if overload occurs in battery mode Bypass disable default Bypass enable...

Page 20: ...he solar input power will be the same as max battery charging power no matter how many loads are connected The max battery charging power will be based on the setting current in program 02 Max solar p...

Page 21: ...Current 10A Current 10A MPPT Charging power MPPT charging power 500W Battery voltage DC discharging current Battery voltage 25 5V discharging current 1A Output frequency Output frequency 50Hz Load pe...

Page 22: ...load in VA will present x xkVA like the chart below Load in Watt When load is lower than 1kW load in W will present xxxW like the chart below When load is larger than 1kW 1KW load in W will present x...

Page 23: ...l can charge the batteries Charging by utility Charging by PV energy No charging Fault mode Note Fault mode Errors are caused by internal circuit errors or external reasons such as over temperature ou...

Page 24: ...cuited or over temperature is detected by internal converter components 06 Output voltage is too high 07 Overload time out 08 Bus voltage is too high 09 Bus soft start failed 11 Main relay failed 51 O...

Page 25: ...times every second 03 Battery is over charged Beep once every second 04 Low battery Beep once every second 07 Overload Beep once every 0 5 second 10 Output power derating Beep twice every 3 seconds 12...

Page 26: ...inal Input Frequency 50Hz 60Hz Auto detection Low Loss Frequency 40 1Hz Low Loss Return Frequency 42 1Hz High Loss Frequency 65 1Hz High Loss Return Frequency 63 1Hz Output Short Circuit Protection Li...

Page 27: ...load Surge Capacity 2 rated power for 5 seconds Nominal DC Input Voltage 24Vdc Cold Start Voltage 23 0Vdc Low DC Warning Voltage load 20 22 0Vdc 20 load 50 21 4Vdc load 50 20 2Vdc Low DC Warning Retu...

Page 28: ...oating Current Voltage T1 T1 10 T0 minimum 10mins maximum 8hrs T0 2 43Vdc 2 35Vdc 2 25Vdc Solar Charging Mode INVERTER MODEL 3KVA with PWM 3KVA with MPPT Rated Power 1250W 2000W Max efficiency 98 5 98...

Page 29: ...LCD and green LED is flashing Input protector is tripped Check if AC breaker is tripped and AC wiring is connected well Green LED is flashing Insufficient quality of AC power Shore or Generator 1 Che...

Page 30: ...rn it to repair center Fault code 51 Over current or surge Restart the unit if the error happens again please return it to repair center Fault code 52 Bus voltage is too low Fault code 55 Output volta...

Page 31: ...ndled with shared current cable and parallel cable this inverter supports parallel operation in default You may skip section 3 If not please purchase parallel kit and install this unit by following in...

Page 32: ...is the same Otherwise there will be voltage difference between inverter and battery which might cause mal function of the parallel inverters Recommended battery cable and terminal size for each invert...

Page 33: ...indicates the number of inverters connected in parallel Recommended specification of AC input breaker in single phase Model 2 units 3 units 4 units 5 units 6 units 3KVA 80A 230VAC 120A 230VAC 160A 230...

Page 34: ...33 Communication Connection Three inverters in parallel Power Connection Communication Connection...

Page 35: ...34 Four inverters in parallel Power Connection Communication Connection Five inverters in parallel Power Connection Communication Connection...

Page 36: ...35 Six inverters in parallel Power Connection Communication Connection 5 2 Support 3 phase equipment Two inverters in each phase Power Connection Communication Connection...

Page 37: ...onnection Note It s up to customer s demand to pick 4 inverters on any phase P1 L1 phase P2 L2 phase P3 L3 phase Communication Connection Three inverters in one phase another two inverters in second p...

Page 38: ...ee inverters in one phase and only one inverter for each remaining phase Power Connection Communication Connection Two inverters in two phases and only one inverter for each remaining phase Power Conn...

Page 39: ...38 Communication Connection Two inverters in one phase and only one inverter for each remaining phase Power Connection Communication Connection...

Page 40: ...WARNING Do NOT connect the current sharing cables between the inverters in different phases Otherwise it may damage the inverters 6 PV Connection Please refer to the user manual of single unit for PV...

Page 41: ...udge condition Only apply for setting Solar first in program 1 Output source priority One Inverter Default When ONE is selected as long as one of the inverters has been connected to PV modules and PV...

Page 42: ...ferent 8 Commissioning Parallel in single phase Step 1 Check the following requirements before installation Correct wire connection Ensure all breakers in Line wires at load side are open and each Neu...

Page 43: ...urn on all of the units and configure LCD program 28 as P1 P2 and P3 sequentially And then shut down all units NOET It s necessary to turn off switch when setting LCD program Otherwise the setting can...

Page 44: ...mains please contact your installer 72 The output current of each inverter is different 1 Check if shared cables are connected well and restart the inverter 2 If the problem remains please contact you...

Page 45: ...ntact your installer 86 AC output mode setting is different 1 Switch off the inverter and check LCD setting 28 2 For parallel system in single phase make sure no 3P1 3P2 or 3P3 is set on 28 For suppor...

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