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Before you start… 

Thanks for purchasing Grid PV-Inverter. GRID PV-INVERTER is a highly 
reliable product due to innovative design and perfect quality control.   
This manual contains important information of installation, operation and 
safety reminding of this unit. Be sure to read this manual carefully before 
enjoying this product. 
If you encounter any problem during installing or running this unit, please 
check this manual first before contacting with your local dealer or 
representative. Most of the problems you encountered will be solved 
according to the instruction inside. 
 
Thank you for purchasing our product again. Please keep this manual in 
safe place for later use. 

Summary of Contents for 1500W

Page 1: ...1 Grid PV inverter 1500W 2000W 3000W 4000W 6000W Installation and Operation Manual ...

Page 2: ...2 Only an electro skilled person or trained assembly staff can install or open the Inverter ...

Page 3: ...ety reminding of this unit Be sure to read this manual carefully before enjoying this product If you encounter any problem during installing or running this unit please check this manual first before contacting with your local dealer or representative Most of the problems you encountered will be solved according to the instruction inside Thank you for purchasing our product again Please keep this ...

Page 4: ...c shock from energy stored in capacitors Do not remove cover until 3 hours after disconnecting all power sources 5 This unit is designed to feed power to grid utility only do not connect this unit to AC power supplier If connecting to those facilities AC power supplier will be damaged 6 Please take out the unit from packaging box carefully Check if there is any outside damage If you find any damag...

Page 5: ...inverter status Display information switch Operation LED Blue Working Mode Operation LED Red fault status Optional communication slot SNMP and RS485 Input DC switch Solar panel input DC RS232 cover Display and connections External protective earth PE terminal USB AC connector ...

Page 6: ...tatus Display information switch Operation LED Blue Working Mode Operation LED Red fault status Optional communication slot SNMP and RS485 Input DC switch Solar panel input DC RS232 cover Display and connections External protective earth PE terminal USB AC connector ...

Page 7: ...tatus Display information switch Operation LED Blue Working Mode Operation LED Red fault status Optional communication slot SNMP and RS485 Input DC switch Solar panel input DC RS232 cover Display and connections External protective earth PE terminal USB AC connector ...

Page 8: ...e grid to be connected is 230V system z The connection to grid is approved by utility company z The installation must be done by qualified personnel Though Grid PV Inverter can be installed where temperature up to 50 C we still strongly recommend that it should be installed where ambient temperature in the range of 0 40 C Mount Grid PV Inverter to the wall 1 Select a wall or solid place can suppor...

Page 9: ...erter on the 4 screws 6 Drive fix screw on bottom leg to fix the inverter Be sure to check the mounting of inverter Try to lift up the inverter on the bottom make sure it is firmly attached Select the installation location carefully The height of inverter is recommended to be seeable so that user can check the inverter status ...

Page 10: ...230VAC or 220VAC 50 60Hz single phase 2 Open the AC breaker or fuse between AC wire and utility 3 For 4000 3000 2000 1500 connect AC wires as follows z Disassemble female socket z Connect AC wires to connection socket as indication z z z Insert Line wire to L Neutral wire to N and Ground wire to Female insert with coupling ring Shell Pinch ring Pressing screw AC wire inserting direction ...

Page 11: ...on z Insert Line wire to 1 or L Neutral wire to N and Ground wire to pin z Assembly the socket again and turn off the lock key 1 Insert the whole socket set to inverter and turn off the lock key 2 z Twist the coupling ring to receptacle on inverter Make sure it is perfectly matched 5 Suggested wire size for AC cable Model φ mm AWG no 1500 1 29 16 2000 1 29 16 3000 1 72 14 4000 2 05 12 6000 2 85 8 ...

Page 12: ...6000 is 600V We recommend use PV array which Voc is less than 430VDC under 25 C ambient 3 Use MC Multi contact or Tyco connectors as PV array terminals 4 Connect positive from array to terminals and negative to terminals Each DC terminal on Inverter can withstand 20A DC current at most 6000 is 30A 5 Turn on the DC switch Note Before connecting to DC terminals please make sure the ...

Page 13: ...ge on the LCD display should be in the sequence of INV Waiting No Utility and the RED fault LED keeps on 2 Close the AC breaker or fuse in previous section check whether the inverter starts to work 3 If inverter works normally the LCD will show Working mode That is the power feed to grid 4 The checking is completed ...

Page 14: ...provided from PV array Inverter always try to get maximum power from PV array 4 Connection system The interface between Utility and inverter It may consist of electrical breaker fuse and terminals for connection To make sure safety this part must be designed by qualified technician 5 Utility It is also call grid in this manual The way your power company provides power to your place Please note tha...

Page 15: ...nerally LCD will show Working Mode as Inverter is working B When LCD shows Working Mode press button over 3 sec LCD will show Setting then enter setting function mode LCD Contrast setting press button over 3 sec to enter Press button to select Contrast 1 to Contrast 5 Then press button over 3 sec LCD will show Setting Contrast setting is OK LCD Language setting press button over 3 sec to enter Pre...

Page 16: ... Fault Grid Voltage or Grid Frequency is wrong Device Fault Hole sensor GFCI Device or AD Reference Voltage Fault Isolation Fault PV Panel isolation problem Impedance Fault Grid Impedance Fault Ground I Fault Output ground leakage current too high Relay Failure Output Relay Fail DC INJ High Output DC injection too high Ref 2 5V Fault 2 5V reference voltage inside problem DC Sensor Fault Output DC ...

Page 17: ...re Master Flash The internal program is updating Master CPU through RS232 interface Updating Slave CPU firmware Slave Flash The internal program is updating Slave CPU through RS232 interface Monitoring parameters Instantaneous Output power O P Watt xxxxW The real time output power in xxxx W Accumulated energy information xxxxx KWh Total energy which has been feed to grid since inverter was install...

Page 18: ... DC Input voltage too high PV Over Voltage DC Input voltage higher than the permissible 500V Inverter failure Consistent failure Consistent Fault The readings of 2 microprocessors are not consistent It is probably caused of CPU and or other circuit do not function well Bus failure DC Bus High DC Bus Low DC Bus voltage too high or too low Device failure Device Fault The device is unable to return t...

Page 19: ... ct ti io on n 2 Optional communication slot This slot is a very powerful extension slot now and future Inverter can accept card special design for the slot only There are 2 kinds of cards can be applied now One is RS485 card and the other is SNMP Simple Network Management Protocol card In the future extension card such as data logger or others may be developed For card detail information please r...

Page 20: ...PV generator from the input check AC peripheral system 3 After the cause is cleared plug PV input again Check the status of the inverter 4 If above actions are useless the GFCI circuit fails replace one unit Grid Fault 1 Wait for 30 seconds if the grid come back to normal inverter will start again automatically 2 Make sure grid voltage and frequency meet the specifications 3 Use solar control to a...

Page 21: ...in and redundant controllers are different 2 Disconnect PV or PV from the input start the unit again 3 If this does not work replace another one Device Fault 1 Caused by improper operation of the circuit 2 Disconnect PV or PV from the input start the unit again 3 If it does not work replace another one Over Temperature 1 The internal temperature is higher than specified normal value 2 Reduce the a...

Page 22: ... selection Current distortion 3 Power factor 0 99 Conversion efficiency max 94 95 95 96 96 European efficiency 93 94 94 95 95 Environment Protection degree IP 65 Operation temperature 25 to 55ºC output power derating at 40 C and higher Humidity 0 to 95 non condensing Heat Dissipation Convection Acoustic noise level 40dB A weighted Communication features Comm Interface RS232 standard USB SNMP RS485...

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