Check Unico heat pump located second floor attic, diagnosed, low-voltage wiring, chewed up by rodents as a temporary repair for heat rewired system highly recommend to return and install two guard dog float switch and repair wiring as per manufacturer specifications. System is functional at this time.Sent email to homeowner with option for repairs View visual findings from this job here - https://visionshare.xoi.io/?id=XA-DE27-2AB7ED1EB58C4459BC50C0393A3ECAED