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EG4 Electronics www.eg4electronics.com

USER MANUAL

EG4 8KEXP-240

HYBRID INVERTER/CHARGER

8000W 120/240 VAC

Version 1.0.0 - November 2022

Summary of Contents for 8KEXP-240

Page 1: ...EG4 Electronics www eg4electronics com USER MANUAL EG4 8KEXP 240 HYBRID INVERTER CHARGER 8000W 120 240 VAC Version 1 0 0 November 2022 1...

Page 2: ...TION 16 5 1 CHECK FOR PHYSICAL DAMAGE 16 5 2 PACKING LIST 16 5 3 MOUNTING 17 6 ELECTRICAL CONNECTION 20 6 1 PV CONNECTION 20 6 2 GRID CONNECTION GEN CONNECTION 21 6 3 BACK UP LOAD1 AND LOAD2 CONNECTIO...

Page 3: ...perating This manual provides basic safety and installation guidelines as well as information on tools and wiring Keep this manual for future use 1 2 Target Group This manual is for qualified electric...

Page 4: ...2 Safety 2 1 Important Safety Instructions 4...

Page 5: ...sive substances Authorized service personnel must use insulated tools when installing or working with this equipment Never touch either the positive or negative pole of a PV connecting device Never to...

Page 6: ...cal devices To protect the AC system surge suppression devices SPD type2 should be fitted at the main incoming point of AC supply at the consumers cutout located between the inverter and the meter dis...

Page 7: ...tools 3 Put on rubber shoes and gloves 4 Do not place metallic tools and similar metallic parts on the batteries 5 Switch o load connected to the batteries before dismantling battery connection termin...

Page 8: ...can provide power for emergency use during grid loss by using the energy from the battery and inverter generated from PV 3 2 System Diagram 8...

Page 9: ...3 4 Dimension 3 5 Terminals of PV inverter 9...

Page 10: ...4 Technical Parameters 4 1 Inverter specification 10...

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Page 13: ...ure the inverter is intact after transportation If there is any visible damage please contact your distributor immediately 5 2 Packing List Open the package and take out the product please check the a...

Page 14: ...ut 4000m above sea level Not in environment of precipitation or humidity 95 Use in a well ventilated area The ambient temperature is in the range of 20 to 60 The slope of the wall should be within 5 W...

Page 15: ...the wall according to the following dimensions 50 60mm depth Then use a proper hammer to fit the expansion bolt into the holes Step 2 Lift up the inverter and align the holes of the inverter with the...

Page 16: ...he cover Remove the waterproof cover with a flat head screwdriver Wiring box conduit plugs are provided for 1 inch conduit fittings If used conduit fitting is not 1 inch an appropriate conduit adapter...

Page 17: ...ge should be conformed to MPPT voltage range Step1 Wiring 1 1 Use 10 AWG wire to connect with ferrules 1 2 Remove 18mm of insulation from the end of the wire Step2 Feed the PV cables through the PV po...

Page 18: ...ritical loads Load2 port When the battery is not sufficient the load on this interface will power down 1 For inverters the standard PV installation typically consists of the connection of the inverter...

Page 19: ...d function please add an off grid AC breaker in off grid output cable to ensure safety Note The absence of an AC breaker on the back up side will lead to inverter damage if an electrical short circuit...

Page 20: ...verter is designed for a 48V lithium battery Before choosing a battery please note the maximum voltage of the battery can t exceed 60V and the battery communication should be compatible with this inve...

Page 21: ...protocol please note that PIN2 must be disconnected Power Connection Battery Step 1 Use the 2 AWG wire and strip the cable to 15mm Select two O terminals with an aperture of M8 Insert the stripped li...

Page 22: ...cation interface between inverter and meter is RS485 with a RJ45 connector Meter Connection Please refer to BMS connection for Meter connection Please kindly noted the PIN definition and port position...

Page 23: ...inverter and router Step3 Create a user account online Please check the WIFI user manual for more details 6 7 GPRS Connection optional This inverter provides a GPRS radio frequency interface which con...

Page 24: ...6 8 CT Installation instructions 24...

Page 25: ...7 LCD Operation 7 1 Control Panel 7 2 Instructions for LED Indicator 25...

Page 26: ...7 3 Instructions for the use of three modes 26...

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Page 28: ...8 LCD Operation 8 1 LCD Interface Error information System setting1 System setting2 System setting3 28...

Page 29: ...PV1 Input display interface PV2 Input display interface PV3 Input display interface PV4 Input display interface DC Voltage interface 29...

Page 30: ...Battery interface Battery current interface Battery current interface Grid connected Inverter Frequency 30...

Page 31: ...LOAD ON GRID POWER INVERTER POWER LOAD POWER PER POWER 31...

Page 32: ...Temperature State 8 2 SETTING State SET Password 32...

Page 33: ...Setup System setting Work mode 33...

Page 34: ...Peak shift work time EPS enable Battery wake up 34...

Page 35: ...REMOTE CTRL START DELAY PV INPUT MODE Anti Reverse ARC ENABLE 35...

Page 36: ...BUTTON ENABLE BATTERY SETTING BATTERY TYPE Lead acid battery parameter 36...

Page 37: ...DISC DEPTH BAT COMM 37...

Page 38: ...Grid standard Grid set RUN SETTING 38...

Page 39: ...REACT MODE GRID POWER DISCHARGE POWER 39...

Page 40: ...CHARGE POWER PV POWER VAC MIN VAC MAX GRID FREQUENCY MIN 40...

Page 41: ...GRID FREQUENCY MAX ACTIVE REF 485 Address BAUD RATE 41...

Page 42: ...LANGUAGE BACKLIGHT DATE TIME Clear history PASSWORD 42...

Page 43: ...MAINTENANCE FACTORY RESET INQUIRE INVERTER MODULE 43...

Page 44: ...MODULE SN FIRMWARE RUNNING RECORDS DIAGNOSE STATISTIC 44...

Page 45: ...following problems please refer to the Solutions below and contact the local distributor if the problem remains unsolved The following table lists some of the basic problems that may occur during the...

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Page 48: ...Parallel Guide 10 1 Parallel System Diagram Multiple inverters can be installed together to deliver more power When AC loads are present all units effectively share the load The system diagram is as...

Page 49: ...d be connected to the master inverter 3 Connect the loads of the two inverters together first It should be noted that the grid power line and the load line of the two inverters should be roughly the s...

Page 50: ...10 4 Parallel System Setting The parallel setting page can be visited in the following steps in the screen USER 1 SETUP PASSWORD CHECK 15 parallel 10 4 0 Setting 10 4 1 Parallel Error information 50...

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