Panasonic CS-HE9GKE Service Manual

Also see for CS-HE12GKE: Operating instructions

Panasonic CS-HE9GKE Service Manual Manual pdf 38 page image

3812.2.2. Protection Control For Cooling & Soft Dry Operation12.2.2.1. 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.12.2.2.2. Cooling Overload Control• Detects the Outdoor pipe temperature and carry out below restriction/limitation (Limit the compressor Operation frequency)• The compressor stops if outdoor pipe temperature exceeds 63°C• If the compressor stops 4 times in 20 minutes, Timer LED blinking (F95: outdoor high pressure rise protection)12.2.2.3. Freeze Prevention Control1. When indoor heat exchanger temperature is lower than 0°C continuously for 6 minutes, compressor will stop operating.2. Compressor will resume its operation 3 minutes after the indoor heat exchanger is higher than 13°C.3. At the same time, indoor fan speed will be higher than during its normal operation.4. If indoor heat exchanger temperature is higher than 13°C for 5 minutes, the fan speed will return to its normal operation.12.2.3. Protection Control For Heating Operation12.2.3.1. Intake Air Temperature ControlCompressor will operate at Max frequency if below condition occur:1. When the indoor intake air temperature is 30°C or above.