Solar energy systems require periodic inspections and routine maintenance to keep them operating efficiently. Also, from time to time, components may need repair or replacement. You should also take steps to prevent scaling and corrosion.
You might be able to handle some of the inspections and maintenance tasks on your own, but others may require a qualified technician. Ask for a cost estimate in writing before having any work done. For some systems, it may be more cost effective to replace or remove the solar system than to have it repaired.
PERIODIC INSPECTION LIST
Check storage tanks, etc., for cracks, leaks, rust, or other signs of corrosion.
Dusty or soiled collectors will perform poorly. Periodic cleaning may be necessary in dry, dusty climates.
Collector glazing and seals
Check for cracks in the collector glazing, and check to see if seals are in good condition. Plastic glazing, if excessively yellowed, may need to be replaced.
Visually check for shading of the collectors during the day (mid-morning, noon, and mid-afternoon) on an annual basis. Shading can greatly affect the performance of solar collectors. Vegetation growth over time or new construction on your house or your neighbor's property may produce shading that wasn't there when the collectors were installed
Plumbing, ductwork, and wiring connections & Insulation
Check for water leaks at pipe connections & insulations. Check duct connections and seals. Ducts should be sealed properly. All wiring connections should be tight.
Check all nuts and bolts attaching the collectors to any support structures for tightness.
Pressure relief valve (for pressurised solar heating systems)
We have to ensure the valve is not blocked or struck.
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