PowMr Pure Sine Wave Solar Inverter

1. 서론

This manual provides essential information for the safe and efficient operation of your PowMr Pure Sine Wave Solar Inverter, Model LVM3K-24V. This device is designed to convert 24V DC power from batteries or solar panels into 110/120V AC power, suitable for various household and office loads. It features a built-in 80A MPPT charge controller and supports multiple charging and output modes.

이미지: 앞면 view of the PowMr 3KW Solar Inverter, highlighting its key features and design.

2. 안전 지침

Please read and follow all safety instructions carefully before installation and operation. Failure to do so may result in electric shock, fire, or serious injury.

• 설치는 자격을 갖춘 인력이 수행해야 합니다.
• 인버터의 접지가 적절히 되어 있는지 확인하세요.
• 인버터를 분해하지 마십시오. 내부에는 사용자가 수리할 수 있는 부품이 없습니다.
• 인버터를 인화성 물질, 습기 및 직사광선으로부터 멀리하십시오.
• 과열을 방지하기 위해 인버터 주변에 적절한 환기가 이루어지도록 하세요.
• 전원을 공급하기 전에 모든 연결이 안전하고 올바른지 확인하세요.
• 유지보수 또는 배선 작업을 하기 전에 항상 전원을 차단하십시오.

3. 제품 오버view

Familiarize yourself with the various ports and indicators on your inverter.

이미지: 후면 및 측면 view of the PowMr 3KW Solar Inverter with numbered labels for each port and indicator.

1. AC 입력 포트: Connects to grid utility or generator AC power.
2. AC 출력 포트: Connects to AC loads (e.g., appliances).
3. CAN communication port: 고급 통신을 위해.
4. USB communication port: For data monitoring and configuration.
5. RS485 통신 포트: For data monitoring and configuration.
6. 접점 포트: 외부 제어 또는 신호 전달용.
7. Grounding screw hole: For connecting the system ground.
8. 과부하 보호 장치: Circuit breaker for overload protection.
9. Battery port: Connects to the battery bank (24V DC).
10. 냉각 팬: 작동 중 열을 발산합니다.
11. ON/OFF rocker switch: 인버터용 주 전원 스위치.
12. PV port: 태양광 패널 어레이에 연결됩니다.
13. 터치 키 : For navigating the LCD display.
14. LED 표시등: 작동 상태를 표시합니다.
15. LCD 화면 : Displays system data and settings.

4. 설정 및 설치

4.1 배선도

Refer to the following diagram for proper wiring connections. Ensure all connections are secure and follow local electrical codes.

Image: Detailed wiring diagram showing connections for solar panels, battery, AC input (utility/generator), and AC output (loads).

• 태양 전지 패널 연결: Max PV Input Power 4000W, Max PV Input Current 13A. Total Open Circuit Voltage (Voc) ≤ 450V. Start-up voltage needs to be greater than 150V. Use 12AWG PV wire. At least 4-6 solar panels are typically needed to meet the starting voltage, depending on individual panel specifications.
• 배터리 연결: Compatible with 24V Lithium/Lead-acid batteries. Recommended battery capacity: 200AH. Use 2AWG battery wire. The battery must be connected for the system to operate.
• AC 입력 연결: Connect to 120Vac±5% utility or generator. Frequency: 50Hz/60Hz. Max AC Bypass Current: 40A. Max AC Charge Current: 40A. Use 10 AWG AC wire. Be sure to connect the PE protective conductor (ground) first.
• AC 출력 연결: Max Output Power ≤ 3000W. Rate Voltage: 120Vac±5%. Rate Current: 27.5A.

4.2 배터리 호환성

The inverter is compatible with a wide range of 24V battery types.

Image: Graphic illustrating compatibility with various battery types including AGM, GEL, FLD (Flooded), LI (Lithium), and SLD (Sealed Lead-Acid).

• Lead-Acid Batteries (Sealed, AGM, Gel, Flooded)
• 리튬 배터리

Ensure the correct battery type is selected in the inverter settings for optimal charging and discharge performance.

5. 작동 모드

The inverter offers flexible operating modes to suit different application requirements.

Image: Diagram showing the four charging modes and three load output working modes of the inverter.

5.1 충전 모드

• PV Priority (Solar Charging): Solar power is prioritized for charging the battery.
• Utility Priority (Electricity Utility Priority): Grid power is prioritized for charging the battery.
• 하이브리드 충전: A combination of solar and utility power is used for charging.
• 태양광 충전만 가능: Only solar power is used for charging the battery.

5.2 부하 출력 작동 모드

• PV 우선순위: Solar power is prioritized to supply the loads.
• 유틸리티 우선순위: Grid power is prioritized to supply the loads.
• 인버터 모드: Battery power is used to supply the loads via the inverter.

These modes can be configured via the LCD display to optimize energy usage based on your specific needs.

6. LCD 디스플레이 및 표시기

The inverter features an LCD display and three LED indicators for real-time monitoring of system data and operational status.

• LCD 디스플레이: Provides detailed information such as input/output voltage, current, power, battery status, and selected operating modes. Use the touch keys to navigate through the menus.
• LED 표시등: Provide quick visual status updates (e.g., power on, fault, charging status). Refer to the user manual for specific LED patterns and their meanings.

An intelligent variable speed fan is integrated to efficiently dissipate heat, extending the system's lifespan.

7. 보호 기능

The PowMr Solar Inverter is equipped with comprehensive protection mechanisms to ensure safe and reliable operation:

• 단락 보호: 단락으로 인한 손상을 방지합니다.
• 오버볼tage 보호: 과도한 볼륨에 대한 보호 장치tag전자 입력.
• 언더볼tage 보호: 배터리의 과방전을 방지합니다.
• 과부하 보호: 연결된 부하가 인버터 용량을 초과할 경우 발생할 수 있는 손상을 방지합니다.
• 역 보호: Protects against incorrect battery polarity connection.

8. 유지관리

정기적인 유지관리는 인버터의 수명과 최적의 성능을 보장합니다.

• 청소: Periodically clean the inverter's exterior and ventilation openings to prevent dust buildup. Ensure the inverter is off and disconnected from all power sources before cleaning.
• 사이: Annually check all electrical connections (PV, battery, AC input/output) for tightness and corrosion.
• 환경: 설치 환경이 지정된 온도 및 습도 범위 내에 유지되도록 하세요.
• 배터리 상태: Monitor battery health and perform maintenance as recommended by the battery manufacturer.

9. 문제 해결

If the inverter is not operating as expected, refer to the following basic troubleshooting steps. For complex issues, contact customer support.

• 전원 없음: Check the ON/OFF switch, battery connections, and battery voltage. Ensure the overload protector has not tripped.
• AC 출력 없음: Verify AC output connections and ensure no overload condition exists. Check if the inverter is in a fault state indicated by LEDs or LCD.
• 태양광 충전 불가: 태양광 패널 연결 상태를 확인하고 태양광 전압이 정상인지 확인하십시오.tage is above the starting voltage (150V), and verify sufficient sunlight.
• 과부하 경고: Reduce the connected load. The inverter may automatically restart after a cool-down period.
• 오류 코드: Consult the full user manual for specific error codes displayed on the LCD and their corresponding solutions.

10. 사양

11. 보증 및 지원

11.1 보증 정보

This PowMr Solar Inverter comes with a 1년 보증 구매일로부터 보증이 적용됩니다. 보증은 정상적인 사용 조건에서 발생하는 재료 및 제조상의 결함에 한해 적용됩니다. 부적절한 설치, 오용, 사고 또는 무단 개조로 인한 손상은 보증 대상에서 제외됩니다.

11.2 고객 지원

For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact PowMr customer support. Have your model number (LVM3K-24V) and purchase information ready when contacting support.

You can find contact information on the official PowMr web사이트나 소매업체를 통해 구매하세요.