SolaX Power SK-BMU1300 User Manual Download | Manualshive

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1.1 Scope of Validity

This manual is an integral part of inverter, and it describes the assembly, installation,
commissioning, maintenance and failure search of the below inverters. Please
read it carefully before operating.

1 Notes on This Manual

1.2 Target Group

This manual is for qualified electricians. The tasks described in this manual only
can be performed by qualified electricians.

1.3 Symbols Used

The following types of safety instructions and general information appear in this
document as described below:

“Danger” indicates a hazardous situation which, if not avoided,
will result in death or serious injury.

DANGER !

“Warning” indicates a hazardous situation which, if not avoided,
could result in death or serious injury.

WARNING

!

“Caution” indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.

CAUTION

!

“Note” provides tips that are valuable for the optimal operation
of your product.

NOTE

!

SK-TL3000

SK-TL3700

SK-TL5000

SK-SU3000 SK-SU3700

SK-SU5000

SK-BMU1300

SK-BMU2500

SK-BMU5000

The X-hybrid has E version and C version.
The C version is provided with suffix”C”and is mainly for city solution, without EPS
function. All model number of the C version inverter will be provided with suffix”C”.
The E version is mainly for country solution ,with EPS function.
NOTE: Only SK-TL3000/SK-SU3000 designs both single MPPT
(SK-TK3000-S/SK-SU3000-S) and dual MPPTs(SK-TL3000/SK-SU3000).
Store this manual where it will be accessible at all times.

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Summary of Contents for SK-BMU1300

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Page 4: ...dicates a hazardous situation which if not avoided could result in death or serious injury WARNING Caution indicates a hazardous situation which if not avoided could result in minor or moderate injury CAUTION Note provides tips that are valuable for the optimal operation of your product NOTE SK TL3000 SK TL3700 SK TL5000 SK SU3000 SK SU3700 SK SU5000 SK BMU1300 SK BMU2500 SK BMU5000 The X hybrid h...

Page 5: ...the PV generator into AC current for on grid or off grid usage Hybrid inverter SK SU which can store the energy in the battery for self use and also can convert the DC current of the PV generator into AC current for on grid or off grid usage Hybrid battery management unit BMU which can work together with the SK TL to implement a battery storage system X hybrid E version with EPS can supply the ene...

Page 6: ... the consumer s cutout located between the inverter and the meter distribution system SPD test impulse D1 for signal line according to EN 61632 1 All d c cables should be installed to provide as short runs as possible and positive and negative cables of the same string or main d c supply should be bundled together Avoiding the creation of loops in the system This requirement for short runs and bun...

Page 7: ...ATION NOTE Symbols on the Inverter Symbol Explanation Operating Display The battery is in charging or discharging Communication is active An error has occurred please inform your installer immediately Symbols on the Type Label Symbol Explanation CE mark The inverter complies with the requirements of the applicable CE guildlines Grounding the PV generator Comply with the local requirements for grou...

Page 8: ...arge Wait 5 min before you open the upper lid or the DC lid Important Safety Instructions When using the product please do remember the below information to avoid the fire lightning or other personal injury Ensure input DC voltage Max DC voltage Over voltage may cause permanent damage to inverter or other losses which will not be included in warranty This chapter contains important safety and oper...

Page 9: ...sedforprotection in case of direct or indirect contact only an RCD or RCM of type B is allowed on the supply side of this product For Australia and New Zealand The installation of inverter must fulfill Australia national Wiring rules AS NZS3000 AS NZS4777 1 and AS NZS5033 Do not work on the inverter when the device is running WARNING Never touch either the positive or negative pole of PV or batter...

Page 10: ...h may follow or damage may occur to the unit Read this instructions before you work on the unit If you are unable to understand the dangers warnings cautions or instructions contact the manufacturer if an authorized service dealer before installing Operating and servicing the unit The X Hybrid inverter meets the requirement stipulated in Low voltage Directive LVD 2006 95 EC and Electromagnetic com...

Page 11: ...er can set the charging and discharging time according to his wishes and also can chose if charge from grid if allowed Export control When the user set the export control value the inverter can limit the energy feed in to the grid EPS mode The X Hybrid E version integrated with EPS function The inverter will automatically switch to EPS output when the grid is off User need to set the battery remai...

Page 12: ...cation port for update Wifi antenna connector Battery connector EPS output Battery communication port Grid output ON OFF button External BMU connector Can communication port with external BMU Temperature port for battery Only qualified electricians can operate the connection WARNING J H M N BMU BMU M M N J H O O SK BMU5000 SK BMU1300 SK BMU2500 N O X Hybrid Ready Inverter SK TL L A B C D E F G BMU...

Page 13: ...475mm 591mm 151mm 591mm 294mm 151mm 591mm 449mm 151mm 3 3 Dimension 700mm 591mm 151mm Dimension for SK TL Series Dimension for SK BMU Series Dimension for SK SU Series SK BMU1300 SK BMU2500 SK BMU 5000 ...

Page 14: ... Rated input voltage V Start input voltage V Max DC input current per input A Max short circuit current per input A No of MPP inputs No of strings per MPP input DC Disconnection switch 3300 100 550 125 530 360 100 12 12 12 15 15 15 2 1 1 Optional 4000 100 550 125 530 360 100 12 12 15 15 2 1 Optional 5000 100 550 125 530 360 100 12 12 15 15 2 1 Optional 4 1 DC Input 4 Technical Data for X Hybrid In...

Page 15: ...placement power factor adjustable Feed in phase Over voltage category 3000 3000 230 180 270 13 14 4 40 3 50 60 44 55 55 65 500 60 150 25 3680 3680 230 180 270 16 16 40 3 50 60 44 55 55 65 500 60 150 25 4600 4600 230 180 270 20 21 7 50 3 50 60 44 55 55 65 500 60 150 25 0 8 leadiing 0 8 lagging Single phase III electric supply side II PV side 4 3 EPS Output With Internal Charger E Version for SK SU ...

Page 16: ...n Over load protection Over heat protection 97 6 97 0 99 9 YES YES YES YES YES YES YES YES YES YES YES Battery nominal voltage V Battery voltage range V Max charge discharge current A Discharge depth Charging curve Communication interfaces 48 40 60 50 adjustable 80 adjustable 3 stage adaptive with maintenance Can RS232 97 6 97 0 99 9 YES YES YES YES YES YES YES YES YES YES YES 97 6 97 0 99 9 YES Y...

Page 17: ...700 591 151 724 609 282 850 724 282 21 27 7 26 35 Forced airflow 40 10 50 derating at 40 20 60 95 II 2000 IP20 for indoor use Transformer less 7 Backlight 16 4 character Ethernet Dry contact wifi Standard 5 years Model SK BMU1300 Charger input Voltage V Charger communication with inverter Battery type Charging curve Lead acid battery lithium battery 3 stage adaptive with maintenance 5 1 Electrical...

Page 18: ...Dimension W H D mm Dimension of packing W H D mm Weight kg Gross weight kg Cooling concept Noise emission dB Altitude Km Degree of protection Forced airflow 40 20 50 derating at 40 20 60 2000 IP20 for indoor use 5 2 General Data Model SK BMU1300 SK BMU2500 SK BMU5000 592 290 140 592 450 140 12 12 16 16 16 21 724 409 282 724 579 282 ...

Page 19: ...tool for separate DC connector Battery connecter for SK SU only Current sensor RJ 45 extend port for current sensor WIFI antenna 1 1 1 1 4 4 2 4 2 4 1 1 1 1 4 units 2 positive 2 negative O P 1 1 Expansion screws 2 units 1 positive 1 negative for SK TL3000 SK SU3000 4 units 2 positive 2 negative DC Pin contact I 1 AC connector Q R 1 Battery thermal sensor for SK SU only N EPS connector only for E v...

Page 20: ...all the inverter in areas where highly flammable materials are stored Do not install the inverter in potentially explosive areas Do not install the inverter during periods of precipitation or high humidity 95 Moisture trapped within the location may cause corrosion and damage to the electric components Provide adequate ventilation when using batteries and also read the warning label on the bottom ...

Page 21: ...lectricity but if DC side is just disconnected capacitance still contains electricity so please wait for at least 5 minutes to ensure the capacitors completely release the energy and inverter is not electriﬁed WARNING Inverters should be installed by technicians NOTE ...

Page 22: ... not walk or stand beneath or in the proximity of the load Avoid sudden movements and jolts when unloading and positioning the unit Internal handling procedures must be conducted with care Do not exert leverage on the components of the machine If the unit is not balanced apply ballast Any protruding parts should not be supported by hand The inverter should be installed so that the operating panel ...

Page 23: ...nd tight them Install the wall bracket using the expansion screws in the screw package Step2 Hang the X hybrid Inverter On the Wall Bracket Transportion of the inverter needs at least 2 people each one needs to use the handles at the sides of the inverter Hang the inverter over the bracket move the inverter close to it slightly laydown the inverter make sure the 4 mounting bars on the back of the ...

Page 24: ...The Main Steps to Connect The X Hybrid System PV string connection AC output connection Battery connection for SK SU series Battery power connection Battery communication connection Battery thermal sensor connection Current sensor connection EPS connection for E version Earth connection Wifi connection X hybrid series inverters can be connected in series into 2 strings PV modules for 3 7KW and 5KW...

Page 25: ...onnected correctly Ÿ Connection Step 1 Disconnect the DC switch 2 Choose 12 AWG wire to connect the PV module 3 Trip 6mm of insulation from the Wire end 4 Separate the DC connector as below 5 Insert striped cable into pin contact and ensure all conductor strands are captured in the pin contact 6 Crimp pin contact by using a crimping pliers Put the pin contact with striped cable into the correspond...

Page 26: ...cting the connection between solar generator and inverter and locked it to the open position during installation Place a warning sign do not turn on maintenance in progress on the external disconnect switch when it is shut down and make sure that on off remote controls are inhibited WARNING Must comply with the connection requirement of your distribution grid WARNING Ÿ AC Output Connection X hybri...

Page 27: ...ble slips out of the cord anchorage Make sure you select the correct specification cables for installation Otherwise the power will make the cable hot or burnt it could result in death or serious injury WARNING Connection Step 1 Check the grid voltage and compare with the permissible voltage range see technical data 2 Disconnect the circuit breaker from all the phases and secure against re connect...

Page 28: ...ut cable with fuse Normal gG US CC or T fuses will protect the input cable in short circuit situation They will also prevent damage to adjoining equipment Dimension the fuses according to local safety regulations Appropriate input voltage and the related current of the solar inverter AC output protected by external fuse gG rated current 20A 250VAC for 3KW and 3 7KW 25A 250VAC for 5KW provide in al...

Page 29: ... PV module shall be considered based on the backfeed current and reverse current The direct current DC circuit breaker or fuse between each solar generator and inverter shall be provided based on solar inverter input ratings Select DC cables based on the above inverter back feed current and Isc PV rating and Vmax ratings 28 When you want to build a self use storage system the battery is a necessar...

Page 30: ...only work when the battery BMS is compatible with the inverter RS 232 RS 485 Fuse Nonpolarized DC breaker Battery power Battery communication Battery thermal sensor TEMP Battery thermal sensor connection The thermal sensor is used to monitor the temperature of the environment to do the temperature compensation and be ready for the winter mode for the winter The winter mode is used to prevent the b...

Page 31: ...he phase wire L which the inverter is connected 3 Place the current sensor around the phase wire L to measure the current going to or coming from the grid 4 Make sure the current sensor is installed in the right direction The arrow on the current sensor must point to the public grid Ÿ Current sensor connection X hybrid inverter E version Load Current sensor Electrical grid PV array AC distribution...

Page 32: ...ensor on the N Wire or the earth wire Do not place the sensor on the N and L wire simultaneously Do not place the sensor on the L wire going to the consumer Do not place the sensor with the arrow pointing to the generation meter Do not place the sensor on the non insulated wires Do not use the wire over 25m NOTE EPS connection The X hybrid E version inverter has on and oﬀ grid function the inverte...

Page 33: ...iate hole in the female insert and then tight each screw to tight each wire in place 1 For tripping the wires please refer to the steps of AC connection 5 Screw down the threaded sleeve and the pressure screw 6 Connect the EPS plug to the inverter EPS wiring diagram 32 The below diagram are for reference based on diﬀerent local wiring rules please follow the local rules for the externel wiring to ...

Page 34: ...ble is not required Main switch RCD EPS Load PV1 PV1 PV2 PV2 RCD PE E In case of discrepancies between wiring mode of local policy and the opration guide above especially for the wiring of neutral line grounding and RCD please contact SolaX before any operation 33 Diagram A Diagram B SolaX X hybrid inverter SolaX X hybrid inverter Type A Type A ...

Page 35: ...escent lamp 100W You can additionally earth the inverter enclosure of a second earthing or equipotential bonding is required locally This prevents touch current if the original protective conductor fails Cable size 12AWG Connection step 1 Strip the earthing cable insulation 2 Insert the stripped cable into the ring terminal 3 Clamp the end of the ring terminal 4 Unscrew the screw of the earthing c...

Page 36: ...nd X hybrid series inverters in the local area network User can set the parameters with specialized software provided by SolaX The pin definition of the connector is as below Connection steps 1 Prepare two RJ45 connectors and a communication cable 2 Trip the insulation from the communication cable 3 Insert the communication cable into the RJ45 connector following the PIN definition rule 4 Crimp th...

Page 37: ... standard as page 42 Set the system time as page 42 PV connection mode as page 43 Set the work mode as page 46 Set charger as page 47 Set the EPS as page 49 Set WIFI according to the wifi manual Do selftest operation as page 50 see action 6 7 1 Earth Fault Alarm DRM0 Remote oﬀ Remote control for reactive power regulation Load remote control 3 3V a DRM Remote off The inverter will shut off if the P...

Page 38: ...quency and underfrequency Selftest function is available at any time It also allows enduser get test reports shown on LCD display Operation Method 37 7 1 Control Panel 7 Operation Method ESC O K A B C E F G H D I Object Name A B C D E F G H I Description Indicator LED Function Button LCD Screen Green Normal working status Blue Battery charging or discharging Yellow Communication status Red Error D...

Page 39: ...EPS System Reset Energy Reset Error Logs Safety Date Time New password PV connection Power Factor Power Limit Grid Work Mode Charger Export Control Ethernet Language RelayControl Operation Method 38 ...

Page 40: ...er can get into this interface by pressing OK button when the LCD displays the main interface User can select interface by moving the cursor with the function button and press OK to confirm Status History Settings Menu Status The status function contains four aspects of the inverter grid solar battery and EPS Press up and down to select and press OK to confirm the selection press ESC to return to ...

Page 41: ... charging means in discharging Press up and down button to review the parameter Press ESC to return to Status U 54 0V I 1 0A P 54W Charger History The history function contains three aspects of the information inverter yield charger yield and error log Press up and down to select and press OK to confirm the selection press ESC to return to the Menu Inverter Yield Charger Yield Error Logs History D...

Page 42: ...arameter Press ESC to return to History C Error Logs The Error logs contain the error information happened Which can record for three items Press up and down button to review the parameter Press ESC to return to History Today 00 0KWH Charger Yield No error Error logs Settings Setting function is used for setting the inverter for time connection battery Ethernet Grid and so on Since this function w...

Page 43: ... set the system date and time Increase or decrease the word by pressing up or down button Press OK to confirm and alternate to the next word After all the words are confirmed Press OK to enter the date and time 2013 06 06 10 19 Date time Operation Method 42 Item 11 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 Country VDE 0126 ARN 4015 German AS 4777 Australia G83 2 UK C10_11 Belgium OVE ONORME 800...

Page 44: ...50438_DK E8001 only Operation Method 43 D New Password User can set the new password here We need to increase or decreased the word by pressing up or down button Press OK to confirm and alternate to the next word After all the words are confirmed Press OK to reset the password 1 2 3 4 New Password E PV Connection This function can set the mode of PV input There are two modes for choice Comm and Mu...

Page 45: ...e of PFLockInPoint is 1 05 when Vac 1 05Vn and Pac 0 2 Pn curve cos φ f P should refer to curve C Default value of PFLockOutPoint is 0 98 when Vac 0 98 Vn cos φ f P will exit curve C Reactive power control Reactive standard curve Q f V Q V Qmax Qmax V2s V1s V1i V2i V2i 0 90Vn V2s 1 10Vn V1s 1 08Vn QuVlowRate V2i 0 92Vn QuVlowRate 0 9 0 9 Upper limit capactive inductive f P Lower limit Power Lower ...

Page 46: ...quency low protect Fac upper slow Frequency high slow protect Fac lower slow Frequency low slow protect Vac 10m avg 10 min voltage high protect Apply to Italy CEI0 21 only Tuvp_Fast Overvoltage protect fast time Tovp_Fast Undervoltage protect fast time Tufp_Fast Overfrequency protect fast time Tofp_Fast Underfrequency protect fast time Tuvp_Slow Tovp_Slow Tufp_Slow Tofp_Slow FreDrpDlyTime Overvolt...

Page 47: ... and end time of charger or discharge Also can select if charging from grid for each charging period Mode Select Force time use Work Mode Charge Start time 1 08 00 Work Mode Charger period 1 Charge From Grid Disable Work Mode Charger start time1 Charger end time1 The start time of the rst charger period Charger start time2 Charger end time2 Discharger start time1 Discharger end time1 Discharger st...

Page 48: ...protocol the parameter Min capacity need to be set Operation Method 47 K Charger Here the user can set the parameters of charger the inverter is compatible with Lead acid and lithium batteries Users can set the battery type charge and discharge parameters awaken mode here Press up or down button to select and press OK to confirm For the detailed parameters please refer to below table Battery type ...

Page 49: ...hium Battery usually the lithium will have communication with the inverter when the BMS is connected all the charger setting will updated to the default value as below Lead acid battery all the data need to be set as the suggestion from the battery Supplier For default setting is as below Note Installer can set the parameters manually The parameters Battery backup discharge Volt need to be set in ...

Page 50: ...e set 50Hz or 60Hz please based on correlative loads Backup setting here can be set Battery backup discharge Volt End user can only set the Mute and Frequency here Mute No Frequency 50Hz Backup setting EPS system When you want to use the EPS function the setting of the discharge cut voltage need to be higher than the Battery backup discharge Volt The Battery backup discharge Volt is the min Voltag...

Page 51: ...ing Start Test Test Report Test Report OvpValue 0 0V OvpTime 0ms 01234560123456 OvpValue OvpTime UvpValue UvpTime OfpValue OfpTime The value of over voltage protection The time of over voltage protection The value of under voltage protection The time of under voltage protection The value of over frequency protection The time of over frequency protection Operation Method 50 O Reset error logs User ...

Page 52: ...ncy protection in restrictive mode The time of over frequency protection in restrictive mode The value of under frequency protection in restrictive mode The time of under frequency protection in restrictive mode R RelayControl RelayControl is an optional function which can control designated load inteligently by consuming the surplus energy when feed in power reaches certain value For specific opr...

Page 53: ... to normal state The detection circuit Fault Disconnect PV PV and battery reconnect them Or seek help from us if can not go back to normal state Residual Current Device Fault Check the impedance of DC input and AC output Disconnect PV PV and battery reconnect them Or seek help from us if can not go back to normal state Fan Device Fault Disconnect PV PV and battery reconnect them Check if the fan i...

Page 54: ...mal Or seek help from us The Grid is Not Good System will reconnect if the utility is back to normal Or seek help from us Bus Voltage out of Normal Range Disconnect PV PV and battery reconnect them Check if the PV input is within the range of the inverter Or seek help from us if can not go back to normal state The grid s voltage is out of range for the last 5 Minutes The system will back to normal...

Page 55: ... if can not go back to normal state The battery group s can communication fault Reconnect the charger communication cable Or seek help from us The battery charger is over temperature Check if the air ducting of the charger is blocked Improve the working environment or reduce the charging or discharging current Or Seek help from us The fan of the charger is broken Check if the fan is working normal...

Page 56: ...rotection Fault Wait for a while to check if back to normal Or seek for help from us DCI OCP Fault DCI over current protection Fault Or seek for help from us Other device Fault Other device fault Or seek for help from us if can not back to normal Wait for a while to check if back to normal Turn off the PV battery and grid reconnect them SW OCP Fault Over current fault detected by software Turn off...

Page 57: ...ter Inverters need to be checked every 12 months once per year Clean the housing with a dry cloth and check that there is no airflow obstruction Remove any dust build up from the locations as indicated Check the inverter and the cables for visible external damage on regular basis Clean the airflow holes inside the housing and cut off the power from the inverter by decommissioning or by using a byp...

Page 58: ...oads more than 25 kg With handle Can be fully closed 9 2 Packaging Store the inverter in dry place where ambient temperatures are always between 20 C 60 C 9 3 Storage When the inverter or other related components need to be disposed Have it carried out according to local waste handling regulations Please be sure to deliver wasted inverters and packing materials to certain site where can assist rel...

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