Protection Control For Cooling And Soft Dry Operation - Panasonic CS-RE9NKR Service Manual

Indoor piping temperature - indoor suction is under 5℃.
Indoor temperature and outdoor temperature is 20 ± 2℃.
Remote control setting 30℃ and Hi Fan Speed.
b. Control contents
• Compressor stops (and restart after 3 minutes)
• If the conditions above happen 2 times within 20 minutes, the unit will:
- Stop operation
- Timer LED blinks and "F91" indicated

13.2 Protection Control For Cooling and Soft Dry Operation

13.2.1 Outdoor Air Temperature Control
• The compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the
diagram below.
• This control will begin 1 minute after the compressor starts.
• Compressor frequency will adjust base on outdoor air temperature.
CU-RE9NKR
13.2.2 Freeze Prevention Control
1 .Frequency of the compressor
For prevention of freezing of the indoor evaporator, the frequency of the
to the indoor piping temperature.
2 .Indoor Fan Control
Indoor fan speed changes according to the indoor piping temperature.
compressor will be changed according
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CU-RE12NKR