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Summary of Contents for PowMr POW-LVM3K-24V-H
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Page 2: Important Safety Instructions
Important Safety Instructions Please save these instructions for future use! This manual contains all safety, installation and operating instructions for the POW-LVM3K Series all-in-one solar charge inverter. Please read all instructions and precautions in the manual carefully before installation and use. -
Page 3: Table Of Contents
Table of Contents Important Safety Instructions ....................... 1 Production Instructions ........................ 4 Features ..........................5 Basic System Introduction....................... 6 Production Overview ....................... 7 Dimension Drawing ......................... 8 Installation ............................. 9 Installation Notice ........................9 Select the Mount Location..................... 10 Mount the Inverter ......................... 10 Preparation .......................... - Page 4 CAN Communication Function ....................34 USB communication port ...................... 34 Protection ............................ 35 Protections Provided ......................35 Fault Code Meaning ......................37 Troubleshooting ........................39 System maintenance ........................40 Technical parameters ......................... 41...
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Page 5: Production Instructions
Production Instructions Production Instructions POW-LVM3K series is a new all-in-one hybrid solar charge inverter, which integrates solar energy storage & means charging energy storage and AC sine wave output. Thanks to DSP control and advanced control algorithm, it has high response speed, high reliability and high industrial standard. Four charging modes are optional, i.e. -
Page 6: Features
Features ⚫ Full digital voltage and current double closed loop control, advanced SPWM technology, output of pure sine wave. ⚫ Two output modes: Mains bypass and inverter output; Uninterrupted power supply. ⚫ Available in 4 charging modes: Only Solar, Mains Priority, Solar Priority and Mains and Solar hybrid charging. -
Page 7: Basic System Introduction
Basic System Introduction The figure below shows the system application scenario of this product. A complete system consists of the following parts: 1. PV module: Convert light energy into DC power, and charge the battery through the all-in-one solar charge inverter, or directly invert into AC power to drive the load. 2. -
Page 8: Production Overview
Production Overview ① ⑨ AC input port Cooling fan ② ⑩ AC output port Battery port ③ ⑪ CAN communication port Cooling fan ④ ⑫ USB communication port ON/OFF rocker switch ⑤ ⑬ RS485 communication port PV port ⑥ ⑭ Dry contact port Touch the key lightly ⑦... -
Page 9: Dimension Drawing
Dimension Drawing... -
Page 10: Installation
Installation Installation Installation Notice Please read this manual carefully prior to installation to familiarize yourself with the installation steps. ⚫ Be very careful when installing the battery. Wear safety goggles when installing a lead-acid liquid battery. Once coming into contact with the battery acid, rinse with clean water timely. ⚫... -
Page 11: Select The Mount Location
Select the Mount Location Determine the installation position and the space for heat dissipation. ⚫ Determine the installation position of the all-in-one solar charge inverter, such as wall surface; ⚫ When installing the all-in-one solar charge inverter, ensure that there is enough air flowing through the heat sink, and space of at least 200m to the left and right air outlets of the inverter shall be left to ensure natural convection heat dissipation. -
Page 12: Preparation
Preparation Before connecting all wirings, please take off bottom cover by removing two screws as shown below. -
Page 13: Connection
Circuit breaker Spec 3.5mm² /12AWG 2P—25A POW-LVM3K-24V-H Note: The voltage in series shall not exceed the maximum PV input open circuit voltage. ➢ Please refer to the table below for recommended AC input wire diameter and switch: Max. bypass input... -
Page 14: Ac Input/Output Wiring
NOTICE ⚫ Above wire diameter and breaker are only for reference. Please select appropriate wire diameter and breaker based on practical condition. AC Input/Output Wiring 1. Prior to AC input/output wiring, disconnect the external circuit breaker and confirm that the wire used is thick enough. -
Page 15: Pv Input Wiring
3. Properly connect the AC output wire according to the wire sequence and terminal position shown in the figure below. Please connect the ground wire first, and then the live wire and the neutral wire. The ground wire is connected to the grounding screw hole on the cabinet through the O-type terminal. -
Page 16: Battery Wiring
Battery Wiring 1. Prior to wiring, disconnect the external circuit breaker and confirm that the wire used is thick enough. Please refer to Section “Wiring Specification and Breaker Type”. The BAT wire needs to be connected to the machine through the O-type terminal. The O-type terminal with an inner diameter of 5 mm is recommended. -
Page 17: Final Assembly
Final Assembly 1. After wiring, inspect whether the wires are correctly and firmly connected, especially whether the positive and negative input poles of the battery are correct, whether the positive and negative input poles of PV are correct, whether AC input is inaccurately connected to AC output terminal. 2. -
Page 18: Operation Mode
Operation Mode Operation Mode Charging Mode 1. PV priority: PV module will charge the battery preferentially, and the battery is charged by the Mains only when the PV system fails. During the day, solar energy is fully used to charge, while at night, it converts to the Mains. -
Page 19: Output Mode
Output Mode 1. PV priority mode: Switch to mains supply when the PV charging fails. This mode maximizes the use of solar energy while maintaining battery power, suitable for use in the areas with relatively stable grid. 2. Mains priority mode: Switch to inverter only when the mains fails (when there was mains power, switch to mains power for charging and power supply). -
Page 20: Operation Instruction
Operation Instruction Operation Instruction Operation and Display Panel The operation and display panel is as shown below, including 1 LCD screen, 3 indicators and 4 operation buttons. ⚫ Touchable Keys Function buttons Description Enter/Exit Settings menu Previous choice DOWN Next choice Confirm/Enter Options under the settings menu ⚫... -
Page 21: Introduction To Lcd Screen
Introduction to LCD Screen Icon Icon Function Function Indicating that AC input end Indicating that inverter circuit is in has been connected to working. power grid Indicates that the AC input Indicating that the machine is in mode in APL mode (wide mains supply bypass work mode voltage range) Indicating that PV input end has... - Page 22 Indicating that present battery type of the machine is Indicating that buzzer is not enabled lithium battery Indicating that current battery type of machine is lead-acid Indicating alarm of machine battery Indicating that the battery is in Indicating that the machine is in fault charge state.
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Page 23: Real-Time Data Viewing Method
Indicates the battery terminal Indicating power grid power supply to ③ ⑦ supplying power to the inverter charge circuit circuit Indicating PV power supply to charge Indicating power supply from ④ ⑧ circuit inverter circuit to load Real-time Data Viewing Method On the LCD main screen, press the “UP”... -
Page 24: Setting Parameter
Setting Parameter Buttons operation instructions: Press the “SET” button to enter the setup menu and exit the setup menu. After entering the setup menu, the parameter number [00] will flash. At this point, press the “UP” and “DOWN” buttons to select the code of parameter item to be set. Then, press the “ENT” button to enter the parameter editing mode, and the value of the parameter is flashing. - Page 25 Description Selectable option When the parameter [01] =SOL/SBU, the battery voltage is lower than the Battery Power to Utility set value, and the output is switched [04] 21.8V default Setpoint from the inverter to the mains. Setting range: 20V~26V. Cannot exceed the value of [14] settings.
- Page 26 Description Selectable option charging not activated. Max charger current (AC charger + Max charger current [07] 60A default PV charger). Setting range: 0~80A； User-defined; all battery parameters [08] USE can be set. Sealed lead-acid battery; constant- [08] SLd voltage charge voltage: 28.8V, floating charge voltage: 27.6V.
- Page 27 Description Selectable option battery and lithium battery. Boost charge maximum time setting, which means the maximum charging time to reach the set voltage of Battery boost charge parameter [09] during constant- [10] 120 default time voltage charging. The setting range is 5min~900min, with a step of 5 minutes.
- Page 28 Description Selectable option given, and the output is not turned off; the setting range is 20V~26V, with a step of 0.2V. It is valid for user- defined battery and lithium battery. Battery discharge limit voltage: When the battery voltage is lower than the point, the output is turned off Battery discharge limit [15] 20V default...
- Page 29 Description Selectable option sealed lead-acid battery [21] DIS Stop equalizing charge immediately. Battery equalization immediately [21] ENA default Start equalizing charge immediately. [22] DIS default Power saving mode disabled. After the power saving mode is enabled, if the load is null or less than Power saving mode 50W, the inverter output is turned off [22] ENA...
- Page 30 Description Selectable option [25] DIS Alarm is disabled Alarm enable [25] ENA default Alarm is enabled Alarm beep is disabled when the [26] DIS status of the main input source changes Beeps while primary source is interrupted Alarm beep is enabled when the [26] ENA default status of the main input source changes...
- Page 31 Description Selectable option [34] DIS default Disable this function. Hybrid output function, in UTI mode, Hybrid output function the PV first only charges for battery, [34] Lod the left energy will power on the load, but not feed back to the grid. When the battery voltage is under Battery undervoltage voltage, the battery voltage needs to...
- Page 32 Description Selectable option communication is normal) Stops discharging when the capacity Cut-off discharge SOC [59] 5% is less than this setting (valid when default Settings BMS communication is normal) Stops charging when capacity is Cut-off charge SOC greater than or equal to this setting [60]100% default Settings...
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Page 33: Battery Type Parameters
Battery Type Parameters For Lead-acid Battery: Battery type Sealed lead Colloidal lead Vented lead User-defined acid battery acid battery acid battery (User) Parameters (SLD) (GEL) (FLD) Overvoltage disconnection 30.0V 30.0V 31.0V 18～30V voltage Battery fully charged recovery point (setup item 37) (Adjustable) (Adjustable) (Adjustable) - Page 34 For Lithium Battery : Battery Type Lithium Lithium Lithium Ternary Ternary iron iron iron lithium lithium phosphate phosphate phosphate battery battery battery battery battery (N07) (N08) Parameters (LF07) (LF08) (LF09) Overvoltage disconnection 31.6V voltage Battery fully charged 27.4V 30.4V 23.2V 26.8V 29.8V recovery point (setup item...
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Page 35: Other Functions
Other Function Other Functions Dry Node Working principle: This dry node can control the ON/OFF of the diesel generator to charge the battery. ① Normally, the terminals are that the NC-N point is closed and the NO-N point is open; ②... -
Page 36: Protection
Protection Protection Protections Provided Protections Description PV current/power When charging current or power of the PV array configured limiting protection exceeds the PV rated, it will charge at the rated. At night, the battery is prevented from discharging through the PV night reverse- PV module because the battery voltage is greater than the current protection... - Page 37 Output again 3 minutes after an overload protection, and turn the output off after 5 consecutive times of overload protection Overload protection until the machine is re-powered. For the specific overload level and duration, refer to the technical parameters table in the manual.
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Page 38: Fault Code Meaning
Fault Code Meaning Affecting Fault Fault Name Output or Description Code 【01】 BatVoltLow Battery undervoltage alarm Battery discharge average current 【02】 BatOverCurrSw overcurrent software protection 【03】 BatOpen Battery not-connected alarm 【04】 BatLowEod Battery undervoltage stop discharge alarm 【05】 BatOverCurrHw Battery overcurrent hardware protection 【06】... - Page 39 【29】 BusLow Internal battery boost circuit failure Inverter stops when battery capacity is low 【32】 BatCapacityLowStop (setting BMS to enable validity) CAN communication fault in parallel 【34】 CanCommFault operation Check whether the communication line is BMS communication connected correctly and whether [33] is set 【58】...
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Page 40: Troubleshooting
Troubleshooting Fault code Faults Handling measures Check if the battery air switch or the PV air switch has No display on the been closed; if the switch is in the "ON" state; press Display screen any button on the screen to exit the screen sleep mode. -
Page 41: System Maintenance
System Maintenance System maintenance ➢ In order to maintain the best long-term performance, it is recommended to conduct following checks twice a year. 1. Make sure that the airflow around the unit is not blocked and remove any dirt or debris from the heat sink. -
Page 42: Technical Parameters
Technical Parameter Technical parameters Models POW-LVM3K-24V-H AC mode Rated input voltage 110/120Vac (90Vac-140Vac) ±2% Input voltage range Frequency 50Hz/ 60Hz (Auto detection) 47±0.3Hz ~ 55±0.3Hz (50Hz); Frequency Range 57±0.3Hz ~ 65±0.3Hz (60Hz); Overload/short circuit protection Circuit breaker Efficiency >95% Conversion time... - Page 43 Peak power 6000VA Loaded motor capability Rated battery input voltage 24V (Minimum starting voltage 22V) Undervoltage alarm/ shutdown voltage/ overvoltage alarm Battery voltage range / overvoltage recovery... settable on LCD screen) Power saving mode Load≤50W AC charging Battery type Lead acid or lithium battery Maximum charge current 0-40A (can be set)
- Page 44 Certified specifications Certification CE(IEC 62109-1)/FCC/SAA EMC certification level EN61000, C2 Operating temperature range -10℃ ~ 55℃ Storage temperature range -25℃ ~ 60℃ Humidity range 5% to 95% (Conformal coating protection) ≤60dB Noise Heat dissipation Forced air cooling, variable speed of fan Communication interface USB/CAN/RS485(WiFi/GPRS)/Dry node control Size (L*W*D)
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