Panasonic CS-SA18CKP Service Manual

Deice ControlDeice operation is to protect the outdoor unit from freezing.•••• Normal Deice OperationDeicing starts 60 minutes after heating mode operation or 60 minutes after the latest deicing operation. If temperature ofoutdoor piping, tested by TRS, falls to -4°C (TRS OFF) or below for continuously 50 seconds, deicing operation starts.•••• Overload Deicing OperationDuring heating operation,if the accumulative stopping time of outdoor fan reaches 60 minutes, deicing operation will start 1minute after compressor starts.•••• Deicing operation ends under conditions below1. After 12 minutes.2. Temperature of outdoor unit rises to 4 °C.Notes:When deicing operation ends, compressor will stop for 30 seconds, and 4-way valve remains at cooling mode operation for 10seconds.18CS-SA18CKP / CU-SA18CKP5