New. The official guarantee has expired. But the Green Energy company gives a 12 month guarantee FAQ 

1. Safety Instructions

1. Read Carefully: Before installation or operation, read all instructions.

2. Qualified Personnel Only: Installation and maintenance must be performed by certified electricians.

3. Electrical Shock Hazard: Do not touch live terminals; always disconnect AC and DC power before servicing.

4. Fire Risk: Keep flammable materials away from the inverter.

5. Grounding: Ensure the inverter is properly grounded according to local regulations.

6. Protective Equipment: Wear insulated gloves and safety goggles during installation or maintenance.

2. Product Overview

• Model: SMA STP 5000TL-20

• Type: String photovoltaic inverter

• Max AC Power: 5000 W

• Input Voltage: DC 200–1000 V

• Output Voltage: AC 230/400 V

• Efficiency: Up to 98%

Components:

• LCD display and buttons

• DC input terminals (PV+) and (PV−)

• AC output terminals (L1, L2, L3, N)

• Ventilation slots

• RS485 / Ethernet communication ports

3. Installation Instructions

1. Mounting Location:

   • Indoor or outdoor with protection from direct sunlight and rain.

   • Ensure sufficient airflow (≥10 cm from walls).

2. Mounting:

   • Use mounting bracket supplied by SMA.

   • Screw inverter securely to wall or mounting frame.

3. DC Wiring (Photovoltaic Input):

   • Connect PV+ and PV− cables from the solar array to the inverter.

   • Observe correct polarity.

4. AC Wiring (Grid Connection):

   • Connect L1, L2, L3, and N to the AC distribution panel.

   • Install a dedicated circuit breaker for the inverter.

5. Grounding:

   • Connect the grounding terminal to the system ground.

4. Commissioning

1. Switch on DC and AC power.

2. The LCD will display a startup screen.

3. Follow the on-screen wizard for:

   • Language selection

   • Grid type and parameters

   • PV system size

4. Verify PV voltage and grid connection.

5. Check for error messages; inverter should enter Operation Mode automatically.

5. Operation

• LCD Display: Shows voltage, current, power, energy produced, and status messages.

• Buttons:

  • OK/Enter: Confirm selections

  • Arrow Keys: Navigate menus

• Normal Operation: The inverter automatically converts DC from PV modules into AC for the grid.

6. Maintenance

• Visual Inspection: Monthly, check for dust, debris, or loose cables.

• Cleaning: Wipe with a dry cloth; do not use water or solvents.

• Firmware Updates: Use SMA Sunny Portal or USB stick if required.

7. Troubleshooting

8. Technical Specifications

• Max DC voltage: 1000 V

• MPPT voltage range: 200–800 V

• Nominal AC voltage: 230/400 V, 50/60 Hz

• Max AC current: 11.5 A

• Efficiency: 98%

9. Storage & Transport

• Store in a dry, ventilated area.

• Avoid impacts and vibrations.

• Temperature range: −25°C to +60°C.