Panasonic Indoor Unit Outdoor Unit CS-E9NKUAW CS-E12NKUAW CU-E9NKUA CU-E12NKUA service manual

Models: Indoor Unit Outdoor Unit CS-E9NKUAW CS-E12NKUAW CU-E9NKUA CU-E12NKUA

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14.2.6.2Outdoor Air Temperature Control

14.2.6.2Outdoor Air Temperature Control

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

šThe compressor will be stopped to avoid compressor overloading.

14.2.6.3Overload Protection Control

šThe compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown below.

šIf the heat exchanger temperature exceeds 60°C, compressor will stop.

14.2.6.4Low Temperature Compressor Oil Return Control

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

14.2.6.5Cold Draught Prevention Control

šWhen indoor pipe temperature is low, cold draught operation starts where indoor fan speed will be reduced or stop.

šHorizontal vane angle may be adjusted in Auto vane setting.

14.2.6.6Deice Operation

šWhen 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.

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Panasonic Indoor Unit Outdoor Unit CS-E9NKUAW CS-E12NKUAW CU-E9NKUA CU-E12NKUA 14.2.6.2Outdoor Air Temperature Control