Panasonic CS-C18HKD, Service Manual, Page: 43 / 62

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13.6.
Compressor Reverse Rotation Protection Control
• If the compressor is operating continuously for 5 minutes or longer and the temperature difference between intake air and indoor
heat exchanger is 2.5 q C or less for continuous 2 minutes, compressor will stop and restart automatically.
• Time Delay Safety Control is activated before the compressor restart.
• This is to prevent compressor from rotate reversely when there is an instantaneous power failure.
13.7. Dew Prevention Control
• To prevent dew formation at indoor unit discharge area.
• This control starts if:
- Cooling mode or Quiet mode is activated.
- Remote Control setting temperature is less than 25
q
C.
- Fan speed is at Lo or QLo.
- Room temperature is constant (±1
q
C) for 30 minutes.
- Compressor is continuously running.
• Fan speed, angle of horizontal louver (vertical airflow angle) and angle of vertical louver (horizontal airflow angle) will be adjusted
accordingly in this control.
- Fan speed will be increased slowly if the unit is in quiet mode and Lo fan speed.
- The angle of horizontal louver will be changed as table below:
- The angle of vertical louver will be changed as table below:
• Dew prevention stop condition
- Remote control setting temperature is more than 25 q C.
- Fan speed is not set to Lo or QLo.
- Select Powerful operation.
Airflow direction auto control Airflow direction manual control
Airflow direction auto control Airflow direction manual control