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

1️⃣ Overview

The SMA Sunny Boy SB5000TL-21 is a 5 kW (5000 W) single-phase photovoltaic inverter with 2 MPPT channels, designed for residential and small commercial solar installations. It converts DC power from solar modules into AC power suitable for single-phase grid connection at 220 V.

Key features:

• Two independent Maximum Power Point Trackers (MPPT) for optimal energy harvest

• High efficiency and proven reliability

• Grid-compliant with European and international standards

• Anti-islanding protection and advanced safety certifications

• Ideal for rooftop PV systems with multiple string orientations

2️⃣ Safety Instructions ⚠️

• Installation and maintenance must be performed by qualified personnel only.

• Disconnect AC and DC supply before performing any work on the inverter.

• Wait at least 5 minutes after shutdown before opening the unit (capacitors may remain charged).

• Ensure proper grounding (PE connection).

• Do not install in explosive, flammable, or excessively humid environments.

• Follow all local electrical codes, utility requirements, and SMA installation guidelines.

3️⃣ System Requirements

• Single-phase 220 V AC grid connection

• PV array voltage within inverter DC input limits

• DC isolator and AC circuit breaker installed according to safety regulations

• Adequate ventilation around the inverter

4️⃣ Installation

A. Mounting

1. Install the inverter on a solid vertical wall or suitable mounting structure.

2. Maintain a minimum clearance (~30 cm) for ventilation and service access.

3. Avoid direct exposure to sunlight, rain, or excessive humidity.

B. DC Connection

1. Turn off AC and DC isolators.

2. Connect PV strings to the two MPPT input channels, observing correct polarity.

3. Ensure each string voltage is within the allowed input range.

C. AC Connection

1. Connect L (phase), N (neutral), and PE (ground).

2. Tighten terminals according to the torque specification.

3. Install appropriate AC protection devices (circuit breaker or fuse).

5️⃣ Startup Procedure 🚀

1. Turn on the DC isolator.

2. Turn on the AC breaker.

3. The inverter performs a self-test.

4. Display shows initialization → grid verification → power production.

5. When grid conditions are confirmed, the inverter begins feeding power.

6️⃣ Display & Operation

The inverter display shows:

• PV voltage and current for each MPPT channel

• AC output voltage and current

• Active and reactive power

• Total energy produced (kWh)

• Status and fault codes

Navigation buttons allow:

• Viewing system status

• Accessing production data

• Reviewing fault history

7️⃣ Monitoring & Communication

The SB5000TL-21 supports:

• Optional SMA WebConnect or Bluetooth module for remote monitoring

• RS-485 interface for integration with SMA data loggers or Sunny Portal

• Remote diagnostics, energy management, and multi-inverter monitoring

8️⃣ Maintenance

• Inspect air inlets and outlets every 6–12 months.

• Clean dust using dry compressed air (do not use liquids).

• Check AC and DC connections annually.

• Review fault logs regularly.

No internal components are user-serviceable.

9️⃣ Common Fault Codes

If faults persist, contact SMA-certified service personnel.

🔟 Shutdown Procedure

1. Turn off the AC breaker.

2. Turn off the DC isolator.

3. Wait at least 5 minutes before performing any maintenance.

Technical Summary

• Rated Power: 5000 W / 5 kVA

• MPPT Channels: 2 independent

• DC Input: from PV modules (check nameplate for voltage range)

• AC Output: Single-phase 220 V

• Protection: IP65 (model-dependent)

• Cooling: Natural convection or fan-assisted depending on model

• Certifications: CE, UL, VDE