PowMr 5000W 48VDC Hybrid Solar Inverter User Manual

1. Product Overview

The PowMr 5000W 48VDC Hybrid Solar Inverter is an advanced off-grid power solution designed to convert 48VDC battery power into 110V/220VAC electricity. It integrates a 120A MPPT solar charge controller, ensuring efficient charging from solar panels. This pure sine wave inverter is suitable for various applications, including residential, office, and vehicle use, providing stable and reliable power.

Figure 1.1: Front view of the PowMr 5000W Hybrid Solar Inverter, illustrating its 5000W pure sine wave output, 120A MPPT charge controller, 48VDC input, 110V/220VAC output, and 15000W peak power output. Dimensions are approximately 21.4 x 15.7 x 7.9 inches and weight 60.3 lbs.

2. Safety Information

Read all instructions and warnings carefully before installation and operation. Failure to follow these instructions may result in electric shock, fire, or severe injury. Keep this manual for future reference.

• Installation must be performed by qualified personnel.
• Ensure all connections are secure and correctly polarized.
• Do not expose the inverter to rain, snow, or liquids.
• Do not disassemble the inverter. There are no user-serviceable parts inside.
• Ensure adequate ventilation around the inverter to prevent overheating.
• This inverter includes multiple protection features such as short-circuit, over-voltage, under-voltage, overload, and reverse polarity protection. However, proper installation is crucial.

Figure 2.1: Overview of the inverter's multi-protection functions, including overload, charge short, AC reverse, short-circuit, bypass over current, battery over voltage, battery low voltage, and parallel connection error protection.

3. Product Features

The PowMr Hybrid Solar Inverter offers a range of features designed for optimal performance and reliability:

• Dual Voltage Output: Provides both 110V and 220V AC output to meet diverse power requirements.
• High Peak Power: Capable of handling peak loads up to 15,000W, suitable for high-demand appliances.
• Integrated MPPT Charge Controller: Features a 120A MPPT controller for efficient solar energy harvesting.
• Pure Sine Wave Output: Ensures clean and stable power, safe for sensitive electronics.
• Wide Battery Compatibility: Supports 48V lead-acid (flooded, AGM, Gel) and lithium (LiCoMnNiO2, LiFePO4) battery types.
• Multiple Charging Modes: Offers 3 charging modes (Utility Only, PV Priority, Utility/PV) and 3 discharge modes (PV Priority, Utility Priority, Solar Load).
• Comprehensive Protection: Includes protection against short-circuit, over-voltage, under-voltage, overload, and reverse polarity.
• Efficient Cooling: Equipped with dual cooling fans for effective heat dissipation.
• User Interface: LCD display and 3 LED indicators provide dynamic system data and operational status.

Figure 3.1: Rear view of the inverter highlighting key connection points: (1) Toggle switch, (2) AC input, (3) AC output, (4) Communication port, (5) PV input, and (6) Battery input.

4. Setup and Installation

Proper installation is critical for the safe and efficient operation of your inverter. Follow these steps carefully.

4.1 Site Selection

• Install the inverter in a well-ventilated, dry, and dust-free area.
• Avoid direct sunlight and heat sources.
• Ensure sufficient clearance around the inverter for air circulation.
• Mount the inverter vertically on a sturdy surface.

4.2 Wiring Connections

All wiring should comply with local electrical codes and standards. Use appropriate wire gauges for all connections.

1. Battery Connection: Connect the 48V battery bank to the battery input terminals (6). Ensure correct polarity (positive to positive, negative to negative).
2. PV Input Connection: Connect your solar panel array to the PV input terminals (5). Observe the MPPT voltage range (60-150VDC) and maximum PV input current (120A).
3. AC Input Connection: Connect the utility grid or generator to the AC input terminals (2). The rated input voltage is 110Vac, with a range of 77-132Vac.
4. AC Output Connection: Connect your AC loads to the AC output terminals (3). The inverter provides 110V/220V AC output.
5. Grounding: Ensure the inverter is properly grounded.

Figure 4.1: Comprehensive connection diagram illustrating the integration of AC input (utility/generator), PV input (solar panels), AC output (loads), and battery input with the PowMr Hybrid Solar Inverter.

Figure 4.2: Diagram detailing the battery connection to the inverter, compatible with 48V GEL, FLD (flooded), LI (lithium), and USER-defined battery types.

5. Operating Instructions

Once installed, the inverter can be powered on and configured for operation.

5.1 Powering On

1. Ensure all wiring connections are correct and secure.
2. Switch on the battery breaker.
3. Switch on the AC input breaker (if connected to utility/generator).
4. Switch on the PV input breaker (if connected to solar panels).
5. Turn on the inverter's toggle switch (1) located on the unit.
6. Observe the LCD display and LED indicators for system status.

5.2 Operating Modes

The inverter supports various modes to optimize power usage:

• Charging Modes:
  • Utility Only: Charges batteries solely from the AC utility grid.
  • PV Priority: Prioritizes solar power for charging, using utility only when solar is insufficient.
  • Utility/PV: Charges from both utility and solar simultaneously.
• Discharge Modes:
  • PV Priority: Prioritizes solar power to supply loads.
  • Utility Priority: Prioritizes utility power to supply loads.
  • Solar Load: Uses solar power to supply loads directly.

Refer to the inverter's LCD display and control buttons for detailed mode selection and parameter adjustments. The 3 LED indicators provide quick status updates.

6. Maintenance

Regular maintenance ensures the longevity and optimal performance of your PowMr Hybrid Solar Inverter.

• Cleaning: Periodically clean the exterior of the inverter with a dry cloth. Ensure ventilation openings are free from dust and debris. The dust-proof design helps, but regular checks are recommended.
• Connections: Annually check all electrical connections for tightness and signs of corrosion. Loose connections can cause overheating and damage.
• Environment: Ensure the installation environment remains within specified temperature and humidity ranges.
• Battery Health: Monitor your battery bank's health according to the battery manufacturer's guidelines.
• Inspection: Visually inspect the inverter for any physical damage or unusual noises.

Do not attempt to open or repair the inverter yourself. Refer all servicing to qualified personnel.

7. Troubleshooting

This section provides solutions to common issues you might encounter. For problems not listed here, contact customer support.

8. Specifications

Technical specifications for the PowMr 5000W 48VDC Hybrid Solar Inverter:

9. Warranty Information

PowMr products are manufactured to high-quality standards and are warranted against defects in materials and workmanship. Please refer to the warranty card included with your product or visit the official PowMr website for detailed warranty terms and conditions. Keep your purchase receipt as proof of purchase for warranty claims.

10. Customer Support

For technical assistance, troubleshooting, or general inquiries, please contact PowMr customer support. Contact information can typically be found on the product packaging, the official PowMr website, or through your retailer.

When contacting support, please have your product model number (POW-RELAB 5KU-SPLIT) and purchase date available.