How to Hang Solar Panels on a Racking System

As solar energy gains popularity across residential, commercial, and industrial sectors, the efficiency and safety of installation have become just as important as the panels themselves. A racking system serves as the structural backbone of any solar array, ensuring panels are mounted securely, aligned correctly, and positioned for maximum energy output. Understanding how to properly hang solar panels on a racking system not only extends the system’s lifespan but also improves overall performance.

Preparation Before Installation

Before lifting any solar panel onto the racking system, thorough preparation is essential:

• Check the Racking Structure: Ensure the racking is securely fixed to the roof or ground, properly leveled, and capable of supporting the panel load.
• Inspect All Components: Verify that rails, clamps, bolts, and fasteners are present, corrosion-free, and compatible with the specific solar panel model.
• Follow Manufacturer Guidelines: Each racking manufacturer provides installation manuals detailing the correct clamp positions, spacing, and torque values.

Step-by-Step Installation Process

Step 1: Position the Panels

Lift the panel carefully, ideally using two people, to avoid damage to the glass surface. Align the panel on the rails according to the layout plan, ensuring correct orientation and tilt angle.

Step 2: Secure the First Side with Clamps

Use mid clamps or end clamps to secure the panel to the rail. These clamps hold the panel frame firmly without damaging the structure. Begin tightening bolts lightly to allow for minor adjustments.

Step 3: Align and Adjust

Check the panel’s position against neighboring panels to maintain a consistent gap and straight alignment across the array. Adjust as necessary before fully tightening the clamps.

Step 4: Secure the Opposite Side

Once alignment is correct, tighten all clamps to the manufacturer’s recommended torque setting. This ensures both safety and structural integrity.

Safety and Best Practices

Avoid Over-Tightening: Excessive torque can damage the panel frame or rails.

Maintain Correct Spacing: Proper gaps between panels allow for ventilation and thermal expansion.

Work Safely at Heights: Use appropriate fall protection equipment when installing on rooftops.

Weather Considerations: Avoid installation during heavy winds or rain to reduce risks.

Conclusion

Properly hanging solar panels on a racking system is a critical step that affects both safety and performance. By following the correct procedures: inspecting the racking, positioning panels carefully, securing with the right clamps, and maintaining proper alignment. Installers can ensure a durable and efficient solar array.

For projects of any scale, selecting a reliable racking system is just as important as correct installation. At Xiamen Wanhos Solar Technology Co., Ltd., we provide high-quality, corrosion-resistant mounting systems for residential, commercial, and industrial applications, along with technical support to ensure every installation is safe, efficient, and long-lasting.