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MPP Solar 6000 Grid PV, Installation And Operation Manual

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MPP Solar 6000 Grid PV Installation And Operation Manual Download Page 34

Brightens your future 

 

34 

 

 

Troubleshooting your PV-Inverter 

 

Inverter 
Failure 

Fault   
Message 

Diagnosis and Solution 

PV Over 
Voltage 

(1)  Check open PV voltage, see if it is too close to or 

over 750VDC. 

(2)  If PV voltage is less than 750Vdc, and the 

problem still occurs, please call service. 

Consistent 
Fault 

(1)  Disconnect PV(+) and PV(-) from the input, start 

the unit again. 

(2)  If it does not work, please call service. 

SCI Failure 

Over   
Temperature 

(1)  The internal temperature is higher than specified 

normal value. 

(2)  Reduce the ambient temperature by some 

appropriate and effective way. 

(3)  Or move Inverter to a cooler location. 
(4)  If it does not work, please call service. 

Relay Failure 

(1)  Disconnect PV(+) and PV(-) from the input, start 

the unit again. 

(2)  If it does not work, please call service. 

DC INJ High 

(1)  Grid DC current higher than the permissible 

value. 

(2)  Observe the faulty condition for 1 minute. 
(3)  If it does not restore to normal operation, please 

call service. 

EEPROM 
Failure 

(1)  Disconnect PV(+) and PV(-) from the input, start 

the unit again. 

(2)  If it does not restore to normal operation, please 

call service. 

High DC Bus 

(1)  Disconnect PV(+) and PV(-) from the input, start 

the unit again. 

(2)  Check if L-LINE and N-Neutral are mistakenly 

connected.   

(3)  If so, please call service. 

Low DC Bus 

(1)  Disconnect PV(+) and PV(-) from the input, start 

the unit again. 

(1)  If it does not work, please call service. 

Ref 2.5V Fault 
DC Sensor 
Fault 
GFCI Failure 

 

Summary of Contents for 6000 Grid PV

Page 1: ...1 6000 Grid PV Inverter Installation and Operation Manual Version 1 0 ...

Page 2: ...the AC Output Cable 16 5 4 Connecting the PV Panel 19 5 5 Connecting to the connection unit 20 5 6 Installation checklist 20 6 Operation the Inverter 22 6 1 Auto power 22 6 2 Operating Modes 22 6 3 Using the LCD Display 24 6 4 Maximum Power Point Tracking MPPT 28 6 5 LCD Display Messages 29 7 Communication Interface 32 7 1 RS232 32 7 2 Optional Communications Interface 32 8 Troubleshooting 33 9 Sp...

Page 3: ...ty control The device is dedicated to high demand grid linked PV systems This manual contains important information regarding installation and safe operation of this unit Be sure to read this manual carefully before using your PV Inverter If you encounter any difficulties during installation or operation please refer to this manual before contacting your local dealer or representative To obtain th...

Page 4: ...C voltage charging the DC link capacitors After disconnecting the PV Inverter from the power supply and PV panel electrical charge can still reside in the DC link capacitors Qualified personnel should allow at least 60 minutes after disconnecting before handling the device 3 Public Utility only The PV Inverter is designed to feed AC power directly to the public utility power grid Do not connect th...

Page 5: ...sting or repairing Usage beyond that described in this manual Application beyond the scope of safety standards such as VDE UL etc Acts of nature such as lightening fire storm etc Repairs and or replacement of parts or the device are made at the manufacturers discretion Defective parts or malfunction discovered during installation should be presented in a written report for confirmation before appl...

Page 6: ...it the connection Interface and a connection to the Public Utility When a PV panel is exposed to sunlight and connected to an inverter it generates DC power The PV Inverter converts DC to AC and feeds in to the Public Utility via the AC Connection unit AC Conne ction Unit Inverter Feeding AC power to Public Utility only Grid Public Utility AC Output PV Panel DC Input _ ...

Page 7: ...llation Section for set up information 4 AC Output Delivering AC to the Public Utility 5 Optional Communication Slot and Cover An optional port to extend the communication interface for example connecting an RS485 card The port is protected by a water proof cover 6 RS232 Port Interface allows communication with computer with RS232 serial port 7 LCD Display Device to display inverter operation stat...

Page 8: ...status are explained as follows Power on green LED It lights when Inverter is running The only condition it will be dark is no power provided to inverter In this case Inverter is in shutdown mode Fault red LED Once the LED lights it means inverter is in fault or failure condition To see the conditions please refer to section 8 LCD Liquid Crystal Display Function Key Power on LED Fault LED ...

Page 9: ... IP65 compliant for outdoor application Embedded LCD displaying status and system information Fanless design quiet operation Stylish design Compact and unobtrusive High reliability Easy installation Maintenance free Standard RS232 optional RS485 and others Embedded ENS complying with VDE 0126 Internal GFCI Ground Fault Current Interrupter ...

Page 10: ... e ex xp po os se e t th he e P PV V I In nv ve er rt te er r t to o d di ir re ec ct t s su un nl li ig gh ht t D Di ir re ec ct t s su un nl li ig gh ht t i in nc cr re ea as se es s t th he e i in nt te er rn na al l t te em mp pe er ra at tu ur re e t th ha at t m ma ay y r re ed du uc ce e c co on nv ve er rs si io on n e ef ff fi ic ci ie en nc cy y Check the ambient temperature of installat...

Page 11: ...Brightens your future 11 No flammable items are to be near the inverter ...

Page 12: ...direct sunlight with ambient temperature between 0 and 40 C 2 Select a wall or solid vertical surface which is strong enough to support the inverter 3 The PV Inverter requires adequate cooling space for heat dispersal Reserve at least 20 cm above and below the inverter Minimum space 20 cm Minimum space 20 cm ...

Page 13: ...tens your future 13 4 Mark the positions of the 4 outer mounting holes onto the wall with the bracket as illustrated Using the Outer Mounting Holes Upper Mounting Holes Lower Mounting Holes Mounting Bracket ...

Page 14: ...ntral holes at the back of the bracket Using the Central Mounting Holes 6 Drill the 4 marked holes in the wall and then drive in the 4 Snap Bushings Now insert the screws and tighten Upper Central Mounting Holes Lower Central Mounting Holes Outer Mounting Holes Central Mounting Holes ...

Page 15: ...unt the PV Inverter onto the bracket as illustrated 8 Insert the Safety Lock screws to fix the PV Inverter in place 9 Install the device vertically to ensure the device is properly fixed to the bracket Safety Lock Screw LCD Display ...

Page 16: ...Inverter to the AC Connection unit via the AC output cable as following steps 1 Open the AC output cover with a screw driver 2 Draw out the AC Connector set from the Inverter AC Output Connector AC Output Cable 2 0mmØ AC connection unit consisting of breaker fuse terminals etc ...

Page 17: ...able lock and prepare your AC cable 4 Remove the rubber plug from inside the AC connector socket 5 Insert the provided rubber bushing with three holes into the AC connector socket AC cable lock Rubber Plug no hole in it 3 hole Rubber Bushing ...

Page 18: ... wire to N Neutral and the Yellow green wire to G Ground Note that all three wires should be at least 2 0mmØ All three wires should be firmly connected 8 After checking the 3 wires are fixed properly push the AC output connection set back in to the Connection Panel Driver 4 screws back to fix the set L for Line N for Neutral G for Ground ...

Page 19: ...ltage Voc of each PV string is below 750VDC UNDER ANY CONDITION 2 Always connect PV Panel positive terminal to PV Inverter DC positive terminal and the PV Panel negative terminal to PV Inverter DC negative terminal 3 Each set of PV Inverter DC terminals takes a maximum DC input of 8 5A As a result 3 pairs of PV Inverter DC terminals can take a combined input of up to 25 5A ...

Page 20: ...n unit is an interface between your PV Inverter and the Public Utility It may consist of an electrical breaker fuse and terminals for connection to both PV Inverter and the Public Utility This Connection unit must be designed by qualified technician to comply with local safety standards 5 6 Installation checklist 1 High voltages exist when the PV Panel is exposed to the sun Exposed terminals of th...

Page 21: ...ter and AC Connection System And then check the connection between the Public Utility and AC Connection unit Close the AC breaker or fuse in the unit 4 Under normal operation the LCD displays The PV Inverter is feeding power to the grid and the green LED displays Before connecting PV Panels to DC terminals make sure the polarity of each connection is correct An incorrect connection could permanent...

Page 22: ...s the system status and selects the best mode of operation If the power from the PV Panel is greater than 150VDC the supply is converted to AC fed in to the grid If the power is less than 100VDC the PV Inverter displays Waiting During the wait state the device uses minimal power from the PV Panel to monitor the system status During normal mode the green LED is on Function Button Power on LED Fault...

Page 23: ...the PV Inverter enters a standby state at voltages below 100V Between 100V and 150V the device enters the waiting state and begins checking its own internal status The Normal state is entered when the voltage is above 150V The following example shows the LCD when the PV Panel input increases above 100V When PV Panel provides a voltage greater than 100V the device enters the Waiting state When PV P...

Page 24: ...ing the Function Button during the Normal state displays the grid voltage Pressing the Function Button twice reveals the grid frequency Pressing the Function Button three times displays the PV Panel input voltage Pressing the Function Button four times reveals the input current Pressing the Function Button five times displays the output current to the grid Normal State Pac XXXX XW Vac xxx xV Pac X...

Page 25: ...e returns to the status display Adjusting the LCD Contrast Rapidly press the Function Button during the Normal state to display contrast settings To adjust the contrast settings press the Function Button again Repeatedly press the Function Button until the contrast reaches the desired level AC current XX XA Pac XXXX XW Energy XXXKWh Pac XXXX XW Model 6000 Pac XXXX XW Ver 00 01 Pac XXXX XW Normal S...

Page 26: ... the Function Button until Set Language shown on LCD Press and hold the Function Button to change the language Press the Function Button cycles through the available languages After a brief period of inactivity the display returns Normal Contrast Pac XXXX XW Contrast Pac XXXX XW Normal State Pac XXXX XW Normal State Pac XXXX XW Set Language Pac XXXX XW Language English Pac XXXX XW Normal State Pac...

Page 27: ...tivity the backlight switches off Pressing the Function Button reactivates the backlight Accuracy of the LCD Reading The reading on the LCD is just for reference The readings during normal operation are accurate to 2 Over all modes of operation please allow 5 The LCD Visibility and Ambient Temperature Temperature extremes can influence the visibility of an LCD display Visibility returns to normal ...

Page 28: ...play is stable your PV Inverter is converting the maximum power available When the power reading fluctuates the device is tracking power changes due to varying levels of sunlight Individual PV Panel Output Graph If the output of the PV Panel is low the AC power may drift slowly It is normal because your PV Inverter continuously tracks the maximum DC power and the display reflects the varying power...

Page 29: ...xx W Accumulated energy information Energy xxxxxxkWh Total energy to has been fed to grid since inverter was installed Grid voltage Vac xxx xV Grid voltage in xxx x VAC Grid frequency Frequency xx xHz Grid frequency in xx x Hz Feeding current AC Current xx xA Feeding current amount in xx x A PV array voltage Vdc xxx xxx xxxV Input voltage from PV array xxx x VDC PV array current Idc xxx xxx xxxA I...

Page 30: ...n too high EEPROM problem EEPROM Failure EEPROM inside has data access problem Communication between microprocessors problem SCI Failure The communication between MCU inside is abnormal DC bus voltage is too high High DC Bus The DC BUS inside is higher than expected DC bus voltage is too low Low DC Bus The DC BUS inside is lower than expected 2 5V reference voltage inside problem Ref 2 5V Fault Th...

Page 31: ...s your future 31 Waiting for reconnect to grid Reconnect in xxx sec The time for reconnect to grid Firmware version Ver xx xx F W version information Setting Language Set Language Set up of the display language ...

Page 32: ...grated with a DB9 socket for the RS232 interface Remove the DB9 socket cover before use Pin assignment of this DB9 socket is stated as below Pin Signal Assignment 1 N C 2 TxD 3 RxD 4 N C 5 Common 6 N C 7 N C 8 N C 9 N C 7 2 Optional Communications Interface Your PV Inverter has an expansion slot for an optional communications interface Add a Inverter RS485 card or compliant card to extend the comm...

Page 33: ... too high ground current 2 Unplug the PV generator from the DC input check the AC peripheral system 3 After the cause is cleared plug PV in again and check the status of Inverter 4 If above actions cannot clear Ground I fault please call service Grid Fault 1 Wait for 1 minute for Grid to come back to normal 2 Make sure Grid voltage and Frequency meet the specifications 3 If not please call service...

Page 34: ...r location 4 If it does not work please call service Relay Failure 1 Disconnect PV and PV from the input start the unit again 2 If it does not work please call service DC INJ High 1 Grid DC current higher than the permissible value 2 Observe the faulty condition for 1 minute 3 If it does not restore to normal operation please call service EEPROM Failure 1 Disconnect PV and PV from the input start ...

Page 35: ...rtion 3 Power factor 0 99 Conversion efficiency max 96 European efficiency 94 5 Environment Protection degree IP 65 Operational temperature range 20 to 55 C Humidity 0 to 95 non condensing Heat Dispersal Convection Power consumption 9W Acoustic noise level 30dBA Communication Features LCD 2 Line 16 characters Information changeable by Function key on the panel Comm Interface RS485 and others optio...

Page 36: ...1 class B DIN EN 50082 part 1 EMV interference immunity Grid Interference DIN EN 61000 3 2 Grid Monitoring Independent disconnection device MSD Mains monitoring with allocated Switching Devices according to VDEW EN DIN VDE 0126 04 99 Low Voltage Regulation DIN EN 50178 4 98 VDE 0160 will be IEC62103 DIN EN 60146 part 1 1 3 94 VDE 0558 part 11 ...

Page 37: ...ess than 447V the relation of VPV and power is Ppv W 8 5 x Vpv Example VPV is 400VDC the maximum power could take by inverter in one string is 3400W Load Graph Ppv W 8 5 x Vpv The typical efficiency chart related to VDC and PAC is shown below Note Results may vary due to test equipment tolerances and product differences Typical Efficiency Graph for Grid tied 6000 ...

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