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While the money an HVAC contractor can save when it comes to refurbishing flood damaged equipment versus replacing it may be appealing, the risks associated with it are far too great.
One of the worst enemies of a compressor is liquid refrigerant, so technicians should make sure the refrigeration system has proper superheat in order to protect the compressor from damage that can occur from flooding or slugging.
In this month’s troubleshooting problem, the equipment that needs servicing is a split system heat pump, manufactured under the brand name Grandaire (ICP, Lewisburg, Tennessee). The indoor unit model number is WAPT304A2, and the outdoor unit model number is WCH5304KGA100. This is a 2.5-ton unit in a residential installation.
While residents and business owners in Texas, Louisiana, and Florida struggle to rebuild their lives following the path of destruction left by Hurricanes Harvey and Irma, local HVAC contractors and manufacturers have an opportunity to step in and do what they do best — provide comfort.
I created this service call to help technicians understand flooded unit repair. Dedicated to technicians after Hurricane Harvey and Hurricane Irma — I hope it helps. Good luck.
Homeowners who have experienced flood damage due to Hurricane Sandy are advised to take important safety precautions with regard to their home’s heating and cooling systems, recommends the Air-Conditioning, Heating, and Refrigeration Institute (AHRI).