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Performing General Maintenance
975-0253-01-01 6–3
Other Factors
Other factors that contribute to system losses are:
• Dust or dirt on the array
• Fog or smog
• Mismatched PV array modules, with slight inconsistencies in performance
from one module to another.
• Inverter efficiency
• Wire losses
For additional information and technical notes concerning PV array performance,
please visit our Web site at www.xantrex.com.
Performing General Maintenance
Follow these simple routines to ensure many years of service and optimal
performance of your solar energy system.
1. Keep the heat sink clear of dust and debris.
2. Clean the PV array with flowing water whenever it is visibly dirty, during a
cool time of the day.
3. Periodically inspect the system to make sure that all wiring and supports are
securely in place.
4. On a sunny day near noon on March 21 and September 21 of each year,
review the output of the system and compare it with the previous year’s
reading. Maintain a log of system performance readings so that you can
recognize when system performance becomes inconsistent.
WARNING: Shock and fire hazard
Do not use a pressure washer to clean the GT Inverter, or use other cleaning methods that
could allow water to enter the unit.