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13.3. Protection Control For Heating Operation
13.3.1. Intake Air Temperature Control
Compressor will operate at maximum frequency if below conditions occur:
1. When the indoor intake air temperature is 30qC or above.
13.3.2. Outdoor Air Temperature Control
The maximum current value is regulated when the outdoor air temperature rises above 14qC 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 in below figures.
13.3.4. Cold Draught Operation
When indoor pipe temperature is low, cold draught operation start where indoor fan speed will be reduced.
13.3.5. Device Operation
When outdoor pipe temperature and another outdoor temperature is low, device operation start where indoor fan motor and outdoor
fan motor stop and operation LED blinks.
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