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14.3.4. Low Temperature Compressor Oil Return Control (E7 ~ 15LK)
• In heating operation, if the outdoor temperature falls below -10°C when compressor starts, the compressor frequency will be
regulated up to 600 seconds.
14.3.5. Cold Draught Prevention Control
• When indoor pipe temperature is low, cold draught operation starts where indoor fan speed will be reduced.
14.3.6. 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.
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