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11.7 Dew Prevention Control
z
To prevent dew formation at indoor unit discharge area, the horizontal air vane is automatically set at position 2
(refer to 10.7).
(refer to 10.7).
z
This control is activated when:-
*Compressor runs continuously for 60 minutes.
*Horizontal air vane is at position 4 or 5 (refer to 10.7).
*Actual fan speed is lower than Lo level.
*Intake air temperature is lower than 29℃
*Intake air temperature changes within 2℃ for more than 30 minutes.
*Horizontal air vane is at position 4 or 5 (refer to 10.7).
*Actual fan speed is lower than Lo level.
*Intake air temperature is lower than 29℃
*Intake air temperature changes within 2℃ for more than 30 minutes.
z
Dew prevention stops when:-
z
Any of the above condition is out of the range described above.
z
Operation stops.
z
Power OFF.
11.8 Compressor Overload Protection Control
During heating mode, when temperature of indoor heat exchanger rises to 51℃, outdoor fan will stop.
When temperature of indoor heat exchanger falls to 49℃
When temperature of indoor heat exchanger rises to 65℃ or above, compressor stops, and will restart 4 minutes
later.
When temperature of indoor heat exchanger falls to 49℃
When temperature of indoor heat exchanger rises to 65℃ or above, compressor stops, and will restart 4 minutes
later.
11.9 4-Way Valve Control
z 4-way valve always on during heating operation except deicing operation.
z When the unit is switched off by remote control during Heating operation, the 4-way valve stay at Heating
z When the unit is switched off by remote control during Heating operation, the 4-way valve stay at Heating
position for 5 minutes (Maximum).
11.10 Warm Booting Control
z When turning on the unit by heating mode operation, indoor fan will be activated when temperature of indoor
heat exchanger reaches 30℃.
z Warm boot operation ends when temperature of indoor heat exchanger reaches 34℃.
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