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14.2.6.2 Outdoor Air Temperature Control

The maximum current value is regulated when the outdoor air temperature rise above 57.2°F in order to avoid
compressor overloading.
The compressor will be stopped to avoid compressor overloading.

14.2.6.3 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 60°C, compressor will stop.

14.2.6.4 Low Temperature Compressor Oil Return Control

In heating operation, if the outdoor temperature falls below 14°F when compressor starts, the compressor
frequency will be regulated up to 600 seconds.

14.2.6.5 Cold Draught Prevention Control

When indoor pipe temperature is low, cold draught operation starts where indoor fan speed will be reduced or
stop.
Horizontal vane angle may be adjusted in Auto vane setting.

14.2.6.6 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. Horizontal vane is closed during auto vane setting.