Hybrid PV Inverter
Version: 2.1
User Manual
Page 1: ...Hybrid PV Inverter Version 2 1 User Manual...
Page 2: ...7 6 PV Module DC Connection 8 7 Battery Connection 10 8 Load AC Output Connection 11 9 Communication 12 10 Commissioning 13 11 Initial Setup 14 12 Operation 27 12 1 Interface 27 12 2 LCD Information D...
Page 3: ...e range see specification for the details this inverter is able to generate power to feed the grid utility and charge battery This inverter is only compatible with PV module types of single crystallin...
Page 4: ...hould be lifted by at least two persons CAUTION Authorized service personnel should reduce the risk of electrical shock by disconnecting AC DC and battery power from the inverter before attempting any...
Page 5: ...the cooling fan CAUTION Do not operate the Inverter if it has received a sharp blow been dropped or otherwise damaged in any way If the Inverter is damaged called for an RMA Return Material Authoriza...
Page 6: ...llowing items inside of package Inverter unit Software CD Manual USB cable 3 2 Product Overview 1 PV connectors 2 Grid connectors 3 Battery connectors 4 AC output connectors Load connection 5 RS 232 c...
Page 7: ...rter The ambient temperature should be between 0 C and 40 C and relative humidity should be between 5 and 85 to ensure optimal operation The recommended installation position is to be adhered to verti...
Page 8: ...r holes in the marked locations with four screws 2 Place the unit on the surface and align the mounting holes with the four screws 3 Check if the solar inverter is firmly secured Note Recommended spec...
Page 9: ...propriate cable for grid utility connection To reduce risk of injury please use the proper recommended cable size as below Suggested cable requirement for AC wire Model 2KW 3KW 3KW Plus Nominal Grid V...
Page 10: ...egory of the PV input is II Please follow below steps to implement PV module connection CAUTION To prevent risk of electric shock ensure the ground wire is properly earthed before operating this hybri...
Page 11: ...pole of PV input connector Connect negative pole of connection cable to negative pole of PV input connector Refer to Chart 5 Step 5 Make sure the wires are securely connected The reference tightening...
Page 12: ...inverter is 48VDC Step 2 Use two battery cables Remove insulation sleeve 12 mm and insert conductor into cable ring terminal Refer to chart 6 Step 3 Following battery polarity guide printed near the...
Page 13: ...3 mm Refer to chart 8 Step 2 Connect wires according to polarities indicated on terminal block Be sure to connect PE protective conductor first Refer to Chart 9 L LINE brown or black Ground yellow gre...
Page 14: ...Modbus card Follow below procedure to connect communication wiring and install the software For RS232 port you should use a DB9 cable as follows For USB port you should use a USB cable as follows For...
Page 15: ...ter is turned on already However there is no output generation for loads Then If LCD lights up to display the current inverter status commissioning has been successfully After pressing ON button for 1...
Page 16: ...backup Grid Tie and Off Grid Grid tie with backup PV power can feed in back to grid provide power to the load and charge battery There are four options available in this mode Grid tie with backup I I...
Page 17: ...ations When battery voltage xx x V the AC starts charging When selected after battery voltage is lower than setting xx x V AC will start to charge battery When this condition is selected it s allowed...
Page 18: ...le When Battery is higher priority than Grid in Load supply source PV is available this option is default selected Under Grid tie this option is invalid Allow battery to discharge when PV is unavailab...
Page 19: ...d Battery If battery is not fully charged PV power will charge battery first And remaining PV power will provide power to the load If it s not sufficient grid will provide power to the load If grid is...
Page 20: ...available 1 1st PV 2nd Battery 3rd Grid PV power will provide power to the load first If it s not sufficient battery power will provide power to the load When battery power is running out or not avail...
Page 21: ...er to software manual Battery charging source 1 PV and Grid It s allowed to charge battery from PV power first If it s not sufficient grid will charge battery 2 PV only It is only allow PV power to ch...
Page 22: ...ng logic under peak time PV energy supply priority 1st Load 2nd Battery and 3rd Grid PV power will provide power to the load first If PV power is sufficient it will charge battery next If there is rem...
Page 23: ...load first If PV power is not sufficient grid will back up the load If grid power is not available battery power will provide power to the load Grid tie with backup V Under this mode inverter will au...
Page 24: ...le at the same time battery power will back up When PV power is not available 1 1st Grid 2nd Battery Grid will provide power to the load at first If grid is not available battery power will provide po...
Page 25: ...porting the loads it will charge battery first Only until PV power is not available grid will charge battery Default 2 PV only It is only allow PV power to charge battery 3 None It is not allowed to c...
Page 26: ...e is remaining PV power left it will provide power to the load Feed in to the grid is not allowed under this mode At the same time the grid relay is connected in Inverter mode That means the transfer...
Page 27: ...cally become 1st Grid and 2nd Battery order Otherwise it will cause battery damage Off Grid III PV energy supply priority setting 1st Load 2nd Battery PV power will provide power to the load first and...
Page 28: ...enabled Only when battery voltage is back to re discharging point PV power will provide power to the load again When PV power is not available 1 1st Grid 2nd Battery Grid will provide power to the loa...
Page 29: ...he user manual of bundled software 12 2 LCD Information Define Display Function Indicates AC input voltage or frequency Vac voltage Hz frequency Indicates AC output power voltage frequency or load per...
Page 30: ...ng indicates utility voltage or frequency is out of range Indicates battery condition And the lattice of the icon indicates battery capacity Icon flashing indicates battery is not connected Icon flash...
Page 31: ...If it s in query menu press this button to jump to next selection or decrease value Mute alarm in standby mode or battery mode NOTE If backlight shuts off you may activate it by pressing any button W...
Page 32: ...splay Procedure Input voltage or frequency of AC input Procedure 1 Enter Up Down Up Down Enter Enter 2 3 4 5 Frequency voltage power or percentage of AC output Procedure 1 Enter Up Down Up Down Enter...
Page 33: ...31 Input voltage or power of PV input Procedure 1 Enter Up Down Up Down Enter Enter 2 3 4 5 Battery voltage or percentage Procedure 1 Enter Up Down Up Down Enter Enter 2 3 4 5...
Page 34: ...32 Date and time Procedure 1 Enter Up Down Up Down Enter Enter 2 3 4 5 Today or total energy generated Procedure Enter Up Down Up Down Enter Enter 3 4...
Page 35: ...lashes Enter Enter Enter Up Down Up Down Up Down Enter Esc Up Down Returns to main menu 6 Sets year Sets month Sets day LCD Display Energy generation display of selected month Procedure 1 Enter Up Dow...
Page 36: ...n Mode Display Below is only contained LCD display for grid tie with backup mode I If you need to know other operation mode with LCD display please check with installer Inverter mode with grid connect...
Page 37: ...upplying power to the connected load This inverter is disabled to generate power to the loads via AC output PV power is sufficient to charge battery first Remaining PV power will feed in back to grid...
Page 38: ...t this moment icon is flashing Inverter mode without grid connected This inverter is working with DC INV operation and not connecting to the grid LCD Display Description PV power is sufficient to char...
Page 39: ...ge No battery is connected or battery is not available to use at this moment and icons are flahsing Bypass mode The inverter is working without DC INV operation and connecting to the loads LCD Display...
Page 40: ...AC output Only PV power is sufficient to charge battery icon is flashing This inverter is disabled to generate power to the loads via AC output PV power is not detected or available at this moment Onl...
Page 41: ...rging process based on default setting 3 stages First max charging voltage increases to 56V Second charging voltage will maintain at 56V until charging current is down to 5 Amp Third go to floating ch...
Page 42: ...capacity Ah x 0 2 For example if you are using 125 Ah battery then maximum charging current is 125 x 0 2 25 A Please use at least 25Ah battery because the settable minimum value of maximum charging c...
Page 43: ...rid inverter is connected to energy meter with RS485 communication port It s to arrange self consumption via Modbus card to control power generation and battery charging 2 For three inverter applicati...
Page 44: ...ould be performed or supervised by personnel knowledgeable about batteries and the required precautions When replacing batteries replace with the same type and number of batteries or battery packs The...
Page 45: ...rror occurred in the CPU initialization Initialization failed in CPU when the inverter is turned on Power grid voltage exceeds the upper threshold The grid voltage has exceeded the highest limit Power...
Page 46: ...on AC breaker After 300 seconds the system will automatically connect to the grid 3 If the error message still remains please contact your installer 02 DC bus voltage falls below the lower threshold 0...
Page 47: ...too high 2 Please disconnect AC breaker first and then DC breaker Check if grounding is connected properly after LCD screen completely shuts down 3 If grounding is correctly connected turn on DC brear...
Page 48: ...ure battery condition is ok 3 Then restart the inverter 4 If error message remains please contact your installer 23 Overload fault 1 Remove exessive loads Be sure that total connected loads are less t...
Page 49: ...r completely 2 Restart the inverter to see if it s ok 3 If error message still remains please contact your installer 29 Charger failure 1 Shut down the inverter completely 2 Restart the inverter to se...
Page 50: ...48 3 If mis connected re connect it correctly And turn on the inverter again 4 If error message still remains please contact your installer...
Page 51: ...nt 18 A 13 A Inrush Current 23 A 17 A Maximum Output Fault Current 69 A 51 A Maximum output Overcurrent Protection 69 A 51 A Power Factor Range 0 9 lead 0 9 lag AC INPUT AC Start up Voltage 60 70 VAC...
Page 52: ...Intelligent Slot Optional SNMP Modbus and AS 400 cards available ENVIRONMENT Protective Class I Ingress Protection Rating IP20 Humidity 0 90 RH No condensing Operating Temperature 0 to 40 C Altitude 0...
