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9. TROUBLE SHOOTING

PV inverter requires very little maintenance. When unexpected situation occurs, please refer to the
following table for quick troubleshooting before contacting your local service. The following table lists
common fault messages and ways to cope with the fault or error.

9.1. General Failures Analysis and Trouble Shooting Actions

Fault

Message

Fault definition

Possible Causes

Proposed Actions for

End-user

Proposed Actions for

Professionals

Faul

RMCU Fault

The ground current
detected by
Inverter is higher
than threshold after
inverter connected
to AC gird

1. Obstacle,

humidity or water
exits between AC
LINE and/or
NEUTRAL to
earth ground

2. Obstacle,

humidity or water
exits between AC
LINE and/or
NEUTRAL to
earth ground in
the junction box

3. The Insulation of

AC wires is
broken that could
be bit by rat or any
animals

4. Inverter is

abnormal

1. Disconnect DC/AC

connection of Inverter by
turn off the switch.

2. Check the DC/AC wires of

the PV system. Clear
obstacle ONLY IN SAFE
CONDITIONS

3. Reconnect DC/AC

connection, check the
status of Inverter

4. If the problem persists, call

local service

*Notes: An insulation gloves
must be wearing during
procedures

1. Disconnect AC side of

Inverter by turn off the AC
switch

2. Disconnect the DC side

from the Inverter

3. Check both the AC and DC

wiring and insulation

4. Reconnect AC/DC

connection, check the
status of Inverter

5. If the problem persists,

please



Update the firmware

according to instructions,
or



Replace the Inverter

*Notes: An insulation gloves
must be wearing during
procedures

Isolation

Fault

The ground current
detected by
Inverter is higher
than threshold
before inverter
connected to AC
gird

1. Obstacle,

humidity or water
exits between DC
side (PV panel) to
earth ground

2. Obstacle,

humidity or water
exits between DC
side (PV Panel) to
earth ground in
the junction box

3. The Insulation of

DC wires is
broken that could
be bit by rat or any
animals

4. Inverter is

abnormal

1. Disconnect DC/AC

connection of Inverter by
turn off switch.

2. Check the DC/AC wires of

the PV system. And Clear
obstacle ONLY IN SAFE
CONDITIONS

3. Reconnect DC/AC

connection of Inverter,
check the status of Inverter

4. If the problem persists, call

local service

Notes: An insulation gloves
must be wearing during
procedures

1. Disconnect AC side of

Inverter by opening AC
switch

2. Disconnect the DC side

from the Inverter

3. Check both the AC and DC

wiring and insulation

4. Reconnect AC/DC

connection, check the
status of Inverter

5. If the problem persists,

please



Update the firmware

according to instructions,
or



Replace the Inverter

Notes: An insulation gloves
must be wearing during
procedures

Содержание SUNSYS - B10

Страница 1: ...SUNSYS B10 Installation and Operation Manual ...

Страница 2: ...ead this manual carefully In case you encounter any difficulties during installation or use of the device consult the manual before contacting your dealer or local representative Thanks again for choosing our product Keep this manual handy for quick reference Begin to enjoy Sunsys B10 and pro life SOCOMEC owns the rights to full and exclusive ownership of this document The recipient of this docume...

Страница 3: ... 4 2 MANUFACTURER S WARRANTY 5 3 GENERAL DESCRIPTION 7 5 INTALLATION INSTRUCTION 12 6 OPERATION OF PV INVERTER 22 7 INVERTER OPERATING STATUS 35 8 COMUNICATIONS 43 9 TROUBLE SHOOTING 44 10 PREVENTIVE MANTENANCE 48 11 SPECIFICATION 51 ...

Страница 4: ... th he e p po ow we er r i is s d di is sc co on nn ne ec ct te ed d PUBLIC UTILITY ONLY T Th he e P PV V i in nv ve er rt te er r i is s d de es si ig gn ne ed d t to o f fe ee ed d A AC C p po ow we er r d di ir re ec ct tl ly y t to o t th he e p pu ub bl li ic c u ut ti il li it ty y p po ow we er r g gr ri id d D Do o n no ot t c co on nn ne ec ct t t th he e A AC C o ou ut tp pu ut t o of f ...

Страница 5: ...ree or in writing by registered mail or Assistenza socomec com or fax 0444 598626 In every case must be immediately provided to the Department predicted a brief written report indicating the type of defect product serial number and all data contained in the same nameplate In the written report must be accompanied by a copy of proof of purchase document note invoice sales slip tax indicating the da...

Страница 6: ...ich the product and or component is not vitiated returned to Sicon Srl in the original packaging or equivalent II in the case where the serial number identification of the products has been manipulated or not it is uniquely identifiable III in the case in which the defect relates to aspects relating to the aesthetics or construction of small entities that do not compromise the normal functionality...

Страница 7: ...ace and a connection to the Public Utility The typical connection diagram of the PV system is shown in the following figure 2 1 SUNSYS B10 presentation SUNSYS B10 grid tied PV Inverters converts direct current DC power generated by PV modules into alternating current AC which is compatible with the local electricity distribution network also called the public utility or grid system ...

Страница 8: ...10 Grid tied PV inverter shows the rating label of the Inverter The rating label states the Type Brand Name Model Name Specifications and the Serial Number of the Inverter When encounter any difficulties during installation or operation please record the Serial Number SN before contacting your local dealer or representative ...

Страница 9: ...l communication slot 4 Pressure Compensation Seal A hardware device that used to dissipating heat into the surrounding air 5 USB Interface Connect this port directly to your PC via an USB cable users can communicate with the Inverter through specific program tool 6 AC Output Cable Gland For wiring AC output cable to the grid with a waterproof enclosure 7 Ground PE Cable Gland For wiring Ground PE ...

Страница 10: ...Each I P power O P power Operation mode and warning message Storage Period 5 years Storage Media 2GB SD card support up to 32GB Data Download Via B type USB 3 3 2 Features of Graphic Data Logger Multicolored back light The backlight of the LCD will be changed according to its status There are 3 colors of backlight and their indications are Green Start up and normal status Red Fault Status In this ...

Страница 11: ... convert the maximum power from any PV panel Due to its advanced design this PV inverter can track the maximum power from the PV panel in any condition When the displayed power on the LCD output does not change dramatically the Inverter is converting the maximum power from panels When the LCD power reading is significantly changes the Inverter is tracking the power according to the varied sunlight...

Страница 12: ...ce conversion efficiency Check the ambient temperature of installation is within specified range 20 60 C The grid voltage and frequency at installed site must be within the specific range defined by applicable regulation type Electric utility company has approved the grid connection Only qualified personnel are performing the installation and maintenance Adequate convection space surrounds the Inv...

Страница 13: ...rom each other Note Don t mount PV inverter on top of another one or other heat radiating sources unless it is inevitable in that case 100cm spacing at minimum from each other is required to provide proper ventilation effect A Fix the Bracket by using all of six mounting holes the bracket should be fixed with M5 30mm screws by 30kgf cm or 2 94 N m torque force as illustrated below Notes Diameter f...

Страница 14: ...14 location when the hanging irons installed on the PV inverter as illustrated Notes Proper lifting tool must be used for the lifting please beware C Mount the Inverter onto the bracket as illustrated ...

Страница 15: ...15 D Check and ensure the device is properly fixed to the bracket in the proper direction ...

Страница 16: ...mm 2 2 Remove the rubber plug from inside of the AC connector socket 3 Insert all AC wires through AC cover kit in following order before cramped with insulated cord end terminal cable gland rubber bushing AC cover cord end terminal 4 Connect the AC wires to the AC terminal block correspondingly and tighten it properly PE2 wire area must be of same gauge as PE1 does or 10 mm 2 5 Add an insulated c...

Страница 17: ...r 7 Twist the connector cable gland to lock the bushing and cable together firmly 8 Check the installation condition again Do not install the PV inverter on a slanted surface Check Inverter are securely hooked on bracket at both of upper and lower sides ...

Страница 18: ...vice before connecting of PV module To obtain optimal result from PV inverter please consider the following guidelines before connecting the PV modules to the device 1 Firstly make sure the maximum open circuit voltage Voc of each PV string does not exceed the related specification as below table listed in all condition 2 Check short circuited current of the PV string The total short circuits curr...

Страница 19: ...he connector slightly downward to disassemble the DC cable Warning D Do on n t t d di is sc co on nn ne ec ct t D DC C p po ow we er r o or r c ca ab bl le es s w wh hi il le e t th he e I In nv ve er rt te er r i is s s st ti il ll l f fe ee ed di in ng g A AC C p po ow we er r t to o t th he e g gr ri id d b be e s su ur re e t to o s sw wi it tc ch h o of ff f A AC C p po ow we er r a at t f fi...

Страница 20: ...between the PV inverter and the public network The value of this switch recommended 32 A 400V 4 poles must be designed by a qualified technician in order to meet the local safety regulations Is also recommended the use of a differential switch type A AC value of 300mA ...

Страница 21: ...AC grid is not connected to the Inverter the Data Logger LCD displays the following Pac 0W Temperature 26 8 C Iac 0 0 0 0 0 0A Vac 0 0 0 0 0 0V Status Fault No Utility 21 04 12 15 01 3 Check the connection between PV inverter and the AC Connection System and then check the connection between the Public Utility and the AC Junction Unit Close the AC breaker or fuse in the unit 4 Under normal operati...

Страница 22: ...rectly at both DC input and AC output This operation is very delicate since due to problems of yield it is possible to run only once in case of error you must contact Socomec service center At first time them Will be given the opportunity to choose the country from several European countries Selecting them by using the arrows e Identified the country desired press the OK key after which they will ...

Страница 23: ...dium voltage Then is necessary to set the inverter parameters 1 Default the parameters are the default parameter specified in the regulatory of the contry selected 2 Customization All parameters are settable in accordance with the regulatory of the country selected if it is set cusomization in subsequent windows will be set one by one all the parameters For accept press OK At the end of all settin...

Страница 24: ...Automatic start The PV inverter starts automatically when the DC power from the photovoltaic field is sufficient to run only after the initial startup Regulation Parameter FH D BACK 50 10Hz FL D BACK 49 90Hz Freq L1 Disable Power Reduction 2 4 Power VS Freq Enable Reconnection T 300s Yes No Green backlight ...

Страница 25: ...klight will be yellow as following picture If there is no further abnormal event after 48 hours of operation the color switches back to green again Pac 7494W Vdc 403 420V Vac 230 5 232 3 231 1V Iac 10 5 11 2 10 7A Status Normal 21 04 12 15 01 3 During Fault During grid fault or system failure refer to error message table for further information the Inverter disconnects from the grid the backlight ...

Страница 26: ...nverter keeps checking both DC and AC conditions and waiting for connection Pac 0W Vdc 260 329V Vac 219 4 219 3 219 3V Temperature 26 8 C Status Waiting 21 04 12 15 01 Normal To be in Normal state voltage on DC side must be 350V or above To check the DC wire connection this Inverter tries to disturb its input power for every starting up During the process user can see the DC power reading drift Pa...

Страница 27: ...ure or error occurs other than the backlight goes red the backlight flashes every second until user presses the key accordig to instruction on the LCD 3 Audio Alarm To inform the user data logger will emit audio alarm in cases of following a Inverter failure b Memory capacity of data logger is less than 5 remained c Convection fan is not able to rotate for any reason This audio alarm can be disabl...

Страница 28: ...d date On occurrence of a warning or error message the bottom line Status is automatically replaced by the error message The user can change the four monitoring parameters a Press to highlight the monitoring parameter at the first line By using and the user can shift to the next line b Press OK to begin setting the monitoring parameter c Press or to select the monitoring parameter of the line d Pr...

Страница 29: ... power during 6 minute interval each dot means 500W the maximal dot number is 48 Date On the upper right corner the date of present display is shown To see daily graph of expected day press and to select 6 12 9 7 8 10 11 1 2 3 4 5 20 KW 20 04 10 4 Weekly graph Press the of daily display LCD changes to the Weekly Display as below For further explanations see below Time axis x axis 7 days from Sunda...

Страница 30: ...as shown below System Display S N 0123456789ABCDEF Version MB 20 00 27 Memory 0 3 Date 21 04 2011 Sat Time 15 01 19 GMT 08 Audible Alarm On Language English The following are the monitoring parameters shown in System Display S N Serial number of the Inverter Version Firmware version of the Inverter Memory Memory status of the Data Logger Date Date setting of the Inverter Time Time setting of the I...

Страница 31: ...ssword 4613 to set all parameters again See Grid Parameter settings at point 6 1 for more details 8 Reactive power function When is pressed again appears the Reactive Power Function screen By pressing the OK keys for 10 seconds and by insert a password 4613 is possible to choose a method of managing the reactive power or if it is already active is possible to disable it Password Select char Delete...

Страница 32: ...er of constant power factor function Select the desired value by pressing o and confirm pressing OK 3 Const Q by pressing OK is possible to set the parameter of constant reactive power function Select the desired value by pressing o and confirm pressing OK 4 Curve PF P by pressing OK is possible to set the parameters of curve of management of the power factor in function of active power Reactive P...

Страница 33: ...wer in function of grid voltage Select the desired value by pressing o and confirm each value pressing OK The item in the Power Factor Curve setting page are refer at the following picture Power Factor Curve With Power Percent V lock in 241 4V V lock out 230 0V Node 1 20 1 00pf Node 2 40 1 00pf Node 3 50 1 00pf Node 1 100 0 90pf Q Curve VS Voltage Type A P lock in 20 Pn P lock out 5 Pn Node 1 90 4...

Страница 34: ...Limit 100 Pn 9 Active power function From the screen Reactive Power Function by pressing again switches to Active Power Func In this screen are only show if it is enable and the value of a possible limitation of active power ...

Страница 35: ... friendly the status of the Inverter can be easily understood by reading the information shown on the front panel display or through remote monitoring All possible messages are listed in the following table The Language Matrix of Display Messages Continue in next page ...

Страница 36: ...36 ...

Страница 37: ...37 ...

Страница 38: ...38 ...

Страница 39: ...39 ...

Страница 40: ...40 ...

Страница 41: ...41 ...

Страница 42: ...42 ...

Страница 43: ...ich allows user to use to monitor the real time status of multiple Inverters Firmware upgrade is also conducted via this interface Connecting laptop PC to Inverter via USB type A to type B adapter cable 8 2 SB Interface Data Logger The Data Logger is fit with a B type USB connector for your PC USB host interface Open the USB socket cover before use ...

Страница 44: ... turn off the AC switch 2 Disconnect the DC side from the Inverter 3 Check both the AC and DC wiring and insulation 4 Reconnect AC DC connection check the status of Inverter 5 If the problem persists please Update the firmware according to instructions or Replace the Inverter Notes An insulation gloves must be wearing during procedures Isolation Fault The ground current detected by Inverter is hig...

Страница 45: ...operated normally 2 If problem still occurred check the reading value of AC grid from the LCD display of Inverter 3 If reading value is within specification check the system connection including polarities and security first 4 Find the devices with high power consumption near the AC system 5 Consult the utility power supplier understand the grid conditions regarding the local grid code 6 Use Inver...

Страница 46: ...n LCD reconnect the DC again and check 4 If the fault message still appears again after restart call your local service 1 Make sure installation is configured under specification 2 Processes the same actions again as left column mentioned 3 If the problem still persists please try to Upgrade the latest firmware according to instruction or Replace the unit DC INJ High The detected DC current of Hal...

Страница 47: ...inues Update the firmware according to instructions or Replace the Inverter Low DC Bus DC voltage of DC inside Inverter is lower than expectation DC Input voltage that feed to DC BUS is too low DC Sensor Fault The DC sensor at output is abnormal 1 Operation firmware is Abnormal 2 Detected current of Hall sensor is abnormal 1 Disconnect PV and PV from the input start the unit again 2 If it does not...

Страница 48: ... rid of it if find any 2 Check heatsink to ensure no barrier blocking its air flow 3 Inspect for corrosion especially at connecting point 4 Verify all connections are firmly tightened periodically 5 Clean the exterior of the unit periodically with a damp cloth to prevent Inverter from accumulation of dust and dirt Keep warranty label intact anyhow 6 To get optimal performance PV modules cleaning p...

Страница 49: ...e procedures of fan module for the SUNSYS B10 model 1 Disconnect the AC power and the DC power of PV inverter 2 Unfasten all the screws of fan module as figure indicated below 3 Take off the fan module by disconnect its cable adapter as figure indicated below 4 Clean fan with damp cloth or soft brush tenderly if needed ...

Страница 50: ...odule is damaged or malfunctioned permanently please make a replacement by a new fan module 6 Assemble the fan module in the reverse order of above procedures 7 Check Inverter resumes normal operation after restart ...

Страница 51: ...ower 10500W Maximum DC current 16A 2 Max number of parallel strings 2 2 External DC Circuit Breaker 20A x 2 Max Inverter Backfeed Current to the PV Array 300mA DC insulation resistance 1 2 M DC insulation Transformerless Output AC Nominal AC power 10kW 10kVA Max AC power 10kW 10kVA Nominal AC current 14 5A Max AC current 16A Current Inrush 65A Max Output Fault Current 30A AC Max Short Circuit Curr...

Страница 52: ...emperature range 20 60 Continuous Output power temperature range 20 45 Max O P power 60 0 C nominal voltage linear de rating 10000W Max Operating Temp without derating for nominal voltage 45 0 C Humidity 100 condensing Altitude Up to 2000m without power derating Hazard substance restriction Lead free complied with RoHS GP2 Ground fault protection Internal RCMU and Isolation detection function DC d...

Страница 53: ...6 3 2007 A1 2011 DC Switch Optional EN 60947 1 EN 60947 3 CE LVD 2006 95 EC EMC 2004 108 EC 11 2 Load Graphs Load graphs are the typical efficiency charts that related to VDC and PAC is and the output power within the operation range can be determined by the different level of input voltage as power curve that shown in the following ...

Страница 54: ...54 ...

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