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Summary of Contents for Lux Power Technology SNA US 12K
- Page 1 Off-grid Inverter User Manual SNA US 12K L2 L1 L2 Batte ry Break er Sma rt Loa d Loa d Version: UM-SNAUS02001...
- Page 2 User Manual Copyright© 2024 Lux Power Technology Co., Ltd. All Rights Reserved. This manual, protected by the copyright and intellectual property rights of Lux Power Technology, may not be modified, copied, or reproduced without prior written permission. Brands and trademarks mentioned belong to their respective owners.
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Page 3: Table Of Contents
User Manual Table Of Contents Information on this Manual Validity Scope Target Group Safety Instructions 1. Brief Introduction 1.1 Features of the inverter 1.2 Interface of the inverter 1.3 Packing list 2. Installation 2.1 Preparation 2.2 Mounting the Unit 2.3 Battery Connection 2.3.1 Battery Power Cable Connection 2.3.2 Lithium Battery Connection 2.4 AC Input/Output Connection... - Page 4 User Manual 4.2 LCD Display 4.3 Inverter Status Display 4.4 LCD Settings 5. About LCD Settings check the operation 6. Monitor System for Offgrid 7. Specifications 8. Trouble Shooting & Error List Revision History Version Date Description UM-SNAUS02001 2024.06.25 First official release.
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Page 5: Information On This Manual
User Manual Information on this Manual Validity This manual is valid for the following devices: SNA-US 12000 Scope This manual provides the installation, operation and troubleshooting of this unit, please read this manual carefully before installations and operations. Target Group For qualified persons and end users. -
Page 6: Brief Introduction
User Manual 1. Brief Introduction 1.1 Features of the inverter LuxPower APP Internet Wifi/4G User name Pass word Remember username Auto login LOGIN Forget password? REGISTER DONGLE CONNECT PRODUCT WARRANTY LOCAL CONNECT DOWNLOAD FIRMWARE Version 3.2.3 - Privacy Policy Luxpower Server Solar Panel Home Utility Grid... -
Page 7: Interface Of The Inverter
User Manual 1.2 Interface of the inverter BAT.NTC M3.COM CN10 1+ 1+ 1- 1- 2+ 2+ 2- 2- BAT.COM Parallel BAT+ BAT- PV INPUT PV Interface Smart Load Load Grid EPS OUTPUT POWER WiFi/GPRS BAT+ Breaker GRID Interface PV Switch EPS on/off switch GEN Interface Power on/off switch... -
Page 8: Packing List
1.3 Packing List Before installation, please inspect the unit. Be sure that nothing inside the package is damaged. You should have received the following items in the package: Off-grid Inverter User Manual SNA US 12K L2 L1 L2 Battery Breaker Smart Load... - Page 9 User Manual Temperature<60℃ Height<6.6ft Height<2m Humidity<85%...
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Page 10: Installation
User Manual 2. Installation 2.1 Preparation The system connection is as below: 600V, 2*4AWG Grid Grid 600V, 2*4AWG Load LOAD1 600V, 2*4AWG Smart Load LOAD2 600V, 2*4AWG Generater P V1 P V2 600V, 4*8AWG QF 1 In ≥ 100A QF 2 In ≥... - Page 11 User Manual 2. AC connection: Please install a separate AC breaker between inverter and AC input power source, inverter and AC output load. This will ensure the inverter can be securely disconnected during maintenance and fully protected from over current of AC input. Recommended AC input/ AC output /GEN cable size for each inverter.
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Page 12: Mounting The Unit
User Manual 2.2 Mounting the Unit NOTICE Consider the following points before selecting where to install: Mount on a solid surface Do not mount the inverter on flammable construction materials. For proper air circulation to dissipate heat, allow a clearance of approx. 30 cm to the side and approx. -
Page 13: Battery Connection
User Manual 2.3 Battery Connection 2.3.1 Battery Power Cable Connection Note: for lead acid battery, the recommended charge current is 0.1-0.25C( C to battery capacity) 1. Please follow below steps to implement battery connection: 2. Assemble battery ring terminal based on recommended battery cable and terminal size. 3. -
Page 14: Ac Input/Output Connection
User Manual 2.4 AC Input/Output Connection CAUTION - There are two terminal blocks with “GRID” and “LOAD” markings. Please do NOT mis-connect input and output connectors. - Be sure to connect AC wires with correct polarity. If L and N wires are connected reversely, it may cause utility short-circuited when these inverters are worked in parallel operation. -
Page 15: Pv Connection
User Manual 2.5 PV Connection Please follow below steps to implement PV module connection: 1. Remove insulation sleeve 10 mm for positive and negative conductors. 2. Check correct polarity of connection cable from PV modules and PV input connectors. 3. Connect positive pole (+) of connection cable to positive pole (+) of PV input connector. Connect negative pole (-) of connection cable to negative pole (-) of PV input connector. -
Page 16: Generator Connection
User Manual 2.6 Generator Connection L1→LINE (black) L2→LINE (red) N→Neutral (blue) 1. Before making Generator connection, be sure to open DC protector or disconnected first. 2. Remove insulation sleeve 10mm for 2 conductors. 3. Insert L1/L2 and N wires according to polarities indicated on terminal block and tighten the terminal screws 4. -
Page 17: System Connection
User Manual 2.7 System Connection The system connection diagram is as below (for US version) PV Breakers L2 L1 L2 Battery Breaker Smart Load Load Smart Load EPS GEN Grid L2 L1 Generator Breaker Battery Breaker Load Breaker UPS L o ad Smart Load Breaker Breakers selection for both DC and AC Integrated Battery Breaker... -
Page 18: Dry Contact Signal Control
User Manual 2.8 Dry Contact Signal control The Dry port (NO2, COM2) could be used to deliver signal to external device when battery voltage reaches warning level. The GEN port (NO1, COM1) could be used to wake-up the Generator and then the generator can charge the battery. - Page 19 User Manual b. 12kW × 3 Parallel three-phase system installation connection (3 @ 208V/120V) Cannot share PV input at any time! Master inverter #1 Utility Meter Three inverters in parallel: ① Set as U-phase Utility Combiner Box K w. h BAT+ BAT- 7 9 8 6 6 PV+ PV-...
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Page 20: Power On/Off
User Manual Step3. Setup the monitor for the system, add all datalogs in one station. Users can login to the visit User Cent er interface of monitor system, Configuration->station->Plant Management->add datalog to add the datalogs. Asia English 文 Configuration Monitor Data Overview Maintenance... -
Page 21: Rapid Shutdown System Installation(Rsd Transmitter)
User Manual 2.11 Rapid Shutdown system Installation (RSD Transmitter) BAT COM Parallel P V INP UT P 1 -RS485B BAT COM: Battery comm Port Parallel: PCS parallel comm port P2-RS485A 120 : Paralle balance resistor P4---CANH Only used for rst and last PCS P5---CANL P1-RS485B P2-RS485... - Page 22 User Manual Battery is used to take the BAT Grid off load PV+BAT Grid off PV+Battery power the load together 1. When the LOAD key off, the inverter charge the battery only PV Charge 2. When the battery is power off, the PV can wake up the battery automatically PV charge the battery and...
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Page 23: Working Modes Related Setting Description
User Manual... - Page 24 User Manual 1. SNA-US 12000 can working as a traditional off grid inverter. In this situation, inverter either use (solar+battery) to take load or use AC take load. Related settings AC First: During the setting time, system will use AC to take load first, use solar power to charge the battery.
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Page 25: Lcd Display And Settings
User Manual 4. LCD display and settings 4.1 RGB Display Messages LED Indicator Normal Green Rotate Warning Yellow Rotate Rotate Fault 4.2 LCD Display ① ⑦ ② ⑥ ③ ④ ⑤... - Page 26 User Manual Description Remarks Display the currently time/date by default. Generally Information Display Area This area shows the data of Two-chnnel PV Solar inverter output power voltage and power. This area shows the battery type,(lithium battery or lead Acid battery),display the Battery information and data voltage, SOC , input and output power.
- Page 27 User Manual 4.3 Inverter Status Display When the SNA-US 12000 inverteris running normally, the text information Warning Status, warning 04 corresponding to the current working status is displayed in the red box, such as PVGridOn or PVCharge. Fault status, fault 02 Flash status: download percent is 58% If the system displays the icon in the When the icon in the red box is...
- Page 28 User Manual 4.4 LCD Settings Button Operations Fuction Button Exit Confirm, Enter menu ENTER Previous step or Slide right DOWN Next step or Slide left Note: Long-pressing the UP and DOWN keys will continuously input the corresponding key signals. General Operations Through button control, press ENTER on the home screen to access the menu options Using the UP and DOWN buttons, select the desired function, then press ENTER to enter.
- Page 29 User Manual Index Index Description Solar The figure shows the voltage and power of PV1, the voltage and power of PV2, the power generation of PV1 in one day and the total power generation of PV1, the power generation of PV2 in one day and the total power generation of PV2.
- Page 30 User Manual Grid (1) The first page contains the following information: grid voltage, grid frequency, split phase L1-N voltage, split phase L2-N voltage, generator voltage, genera- tor frequency, power input from the grid to the inverter, power output from the inverter to the grid, inverter power, rectified power, load power. Grid (2) The second page contains the following information: The power of the inverter exported to the grid during the day.
- Page 31 User Manual UPS (2) The second page shows the output power of LOAD (L1-L2) in a day. LOAD (L1-L2) Indicates the total power output. LOAD (L1-N) Output power in a day. LOAD (L1-N) Indicates the total power output. LOAD (L2-N) output power in a day.
- Page 32 User Manual Notice Index Description Fault Status Information on this page: When the inverter fails, this page displays the corresponding fault code. If there is NO Fault, no fault is displayed. Alarm Status Information contained in this page: When the inverter alarm appears, this page will display the corresponding alarm code.
- Page 33 User Manual Setting Index Description Battery brand Battery brand Standard HinaESS Aobo SHINWA Beta Pylon Dyness WeCo Revov Enopte Stealth Murata Beebeej MSUN BITek TeLongMei Naxin GSL1 OKSolar Merit Soltaro The first page contains the following information: inverter status information (rated or standby). PV input mode (DC source or PV1 and PV2 independent or PV1 and PV2 parallel).
- Page 34 User Manual Application The second page contains information: AC priority charging time, you can set three time periods. Application The third page contains the following information: Mixed mode Settings. PV and AC are loaded together. empower Export to the grid. Percentage of electricity output to the grid.
- Page 35 User Manual Charge (1) The first page contains information: charging current Settings. CV voltage setting of lead-acid battery. Lead-acid battery floating charge voltage setting. Charge (Numerical setting This page contains: Setting values. After pressing Down, exit move to +1, operation) +1 to -1, -1 to +0.1, +0.1 to -0.1, and -0.1 to Enter.
- Page 36 User Manual Charge (according to the time) The second page contains information: The AC is charged according to the time, and three time periods are provided. Charge (according to the battery voltage) The second page contains information: The AC is charged according to the battery voltage. The starting charge voltage and cut-off charge voltage can be set.
- Page 37 User Manual Charge (according to the battery voltage The second page contains information: and time) The AC is charged according to the battery voltage and time. Meet one of the three time periods and the battery voltage between the starting charge voltage and the cut-off charge voltage.
- Page 38 User Manual Discharge (1) The first page contains information: battery discharge can be based on voltage or SOC. Discharge current can be set. Battery alarm voltage can be set. Off-grid discharge cutoff voltage can be set. Grid-connected discharge cutoff voltage can be set. The alarm volt- age is larger than the off-grid cut-off voltage.
- Page 39 User Manual Other Include information: CT power compensation setting. Set the maximum speed of five fans. Set five fan control slope curves. Basic Contains information: SN Indicates the serial number of the inverter. FW Indicates the firmware version of the inverter (cEaa indicates the US version, cFaa indicates the European version).
- Page 40 User Manual 5. About LCD Settings check the operation Enter Down Enter...
- Page 41 User Manual 6. Monitor System for Offgrid inverter Users can use wifi dongle / WLAN dongle / 4G dongle (Available from 2021 March for some countries) to monitor the energy storage system, The monitor website is: server.luxpowertek.com The APP is also available in the google play and apple APP store (Scan two code bar to download the APP).
- Page 42 User Manual 7. Specifications Table 1 MPPT Mode Specifications SNA-US 12000 INVERTER MODEL 24000W(12000/12000) Max. PV Array Power 320V Rated PV Input Voltage Number of Independent MPPT Inputs Number of string per MPPT PV Input Voltage Range 100V~480V MPPT Voltage Range 120V~385V Start-up Voltage 100V...
- Page 43 User Manual 59Vdc (Li) 60Vdc (Lead_Acid) High DC Cut-off Voltage 57.4Vdc (Li) 58Vdc (Lead_Acid) High DC Recovery Voltage load < 20% 42.0Vdc (Settable) Low DC Warning Voltage 20% ≤ load < 50% Warning Voltage @load < 20% -1.2V load ≥ 50% Warning Voltage @load <...
- Page 44 User Manual Table 3 Line Mode Specifications 110Vac/120Vac Nominal Input Voltage 220Vac/240Vac AC Start-up Voltage 45Vac (L-N), 90Vac (L-L) 65Vac (L-N)~140Vac (L-N) Acceptable Input Voltage Range 130Vac (L-L)~280Vac (L-L) High Loss Voltage 140Vac (L-N)/ 280Vac (L-L) Max. AC Input Current 100A Nominal Input Frequency 50Hz/60Hz (Auto detection)
- Page 45 User Manual Table 5 Protection/General Specifications SNA-US 12000 INVERTER MODEL Over Current/Voltage Protection Grid Monitoring AC Surge Protection Type III Grid Switch (Current/Voltage) 100A/480VAC Load Switch (Current/Voltage) 63A/480VAC Smart Load Switch (Current/Voltage) 300A/80VDC Battery Switch (Current/Voltage) GEN Switch (Current/Voltage) UL STD. 1741 Safety Certification CSA STD.
- Page 46 User Manual 8. Trouble Shooting & Error List The failures mainly divided into 5 categories, for each category, the behavior is different: Code Description Trouble shooting Restart inverter, if the error still exist, contact us Internal communication fault1 E000 (DSP&M3) E001 Model fault Restart inverter, if the error still exist, contact us...
- Page 47 User Manual Check if you have choose the right battery brand Communication failure with battery and communication cable is right, if the warning W000 still exist, contact us Restart inverter, if the error persists, contact AFCI Com failure W001 your supplier. Check each PV string for correct open circuit voltage and short circuit current.
- Page 48 Lux Power Technology Co., Ltd Headquarter: +86 755 8520 9056 www.luxpowertek.com Contact us: info@luxpowerttek.com 092.20031AA...
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