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13.2.5. Dew Prevention Control 2
• To prevent dew formation at indoor unit discharge area.
• This control starts if all conditions continue for 20 minutes:
- Operated with Cooling or Soft Dry Mode.
- Indoor intake temperature is between 25qC and 29qC.
- Outdoor air temperature is less than 30qC.
- Quiet Lo fan speed.
• This control stopped if:
- When receive air swing change signal from Remote Control.
• The horizontal louver will be fixed at 24q (regardless of Auto or Manual Airflow Direction Setting).
13.3. Protection Control For Heating Operation
13.3.1. Intake Air Temperature Control
Compressor will operate at Max freq. if either one of the below conditions occur:
1. When the indoor intake air temperature is 30qC or above.
13.3.2. Outdoor Air Temperature Control
• The Max current value is regulated when the outdoor air temperature rise above 16qC in order to avoid compressor overloading.
13.3.3. Overload Protection Control
• The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown below.
• If the heat exchanger temperature exceeds 60qC, compressor will stop.
13.3.4. Low Temperature Compressor Oil Return Control
• In heating operation, if the outdoor temperature falls below -10qC when compressor starts, the compressor frequency will be
regulated up to 600 seconds.
13.3.5. Cold Draught Operation
• When indoor pipe temperature is low, cold draught operation start where indoor fan speed will be reduced.
13.3.6. Deice Operation
• When outdoor pipe temperature and outdoor air temperature is low, deice operation start where indoor fan motor and outdoor fan
motor stop and operation LED blinks.