Panasonic CS-TE15HKE

33
13.1.5. Compressor Overheating Prevention Control
Instructed frequency for compressor operation will be regulated by compressor discharge temperature. The changes of frequency
are as below.
If compressor discharge temperature exceeds 110qC, compressor will stop, occurs 4 times per 20 minutes, timer LED will be
blinking. (“F97” is to be confirmed.)
13.1.6. Low Pressure Prevention Control (Gas Leakage Detection)
a. Control start conditions
• For 5 minutes, the compressor continuously operates and outdoor total current is between 0.6A and 1.15A.
• During Cooling and Soft Dry operations:
Indoor suction temperature - indoor piping temperature is below 4qC.
• During Heating operations:
Indoor piping temperature - indoor suction is under 5qC.
b. Control contents
• Compressor stops (and restart after 2 minutes).
• If the conditions above happen 2 times within 20 minutes, the unit will:
- Stop operation
- Timer LED blinks and “F91” indicated.
13.1.7. Low Frequency Protection Control 1
When the compressor operate at frequency lower than 25 Hz continued for 240 minutes, the operation frequency will be changed to
24 Hz for 2 minutes.
13.1.8. Low Frequency Protection Control 2
When all the below conditions comply, the compressor frequency will changed to lower frequency.
Temperature, T, for: Cooling/Soft Dry Heating
Indoor intake air (qC)
T < 14 or T 30 T < 14 or T 28
Outdoor air (qC)
T < 13 or T 38 T < 4 or T 24
Indoor heat exchanger (qC) T < 30
T 0