Fans - Delta Amplon RT Series Manual

12.3 Fans

Higher temperatures shorten fan life. When the UPS is running, please periodically
check if each fan works normally and make sure if the ventilation air can move freely
around and through the UPS. If not, contact service personnel to replace the fans.
NOTE :
Please ask your local dealer or customer service for more maintenance
information. Do not perform maintenance if you are not trained for it.
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Chapter 12 Maintenance