Daikin ATX20JV1B Specifications Page 43

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SiBE041010 Control Specification
Function and Control 33
3.8 Outdoor Fan Control
1. Fan OFF delay when stopped
The outdoor fan is turned OFF 70 seconds after the compressor stops.
2. Fan ON control to cool down the electrical box
The outdoor fan is turned ON when the electrical box temperature is high while the compressor
is OFF.
3. Fan OFF control while defrosting
The outdoor fan is turned OFF while defrosting.
4. Fan ON/OFF control when operation starts/stops
The outdoor fan is turned ON when the operation starts. The outdoor fan is turned OFF when
the operation stops.
5. Fan control while forced operation
The outdoor fan is controlled as well as normal operation while the forced operation.
6. Fan speed control while indoor/outdoor quiet operation
The rotation speed of the outdoor fan is reduced by the command of the indoor/outdoor quiet
operation.
7. Fan control for POWERFUL operation
The rotation speed of the outdoor fan is increased while the POWERFUL operation.
8. Fan speed control for pressure difference upkeep
The rotation speed of the outdoor fan is controlled for keeping the pressure difference while
cooling with low outdoor temperature.
When the pressure difference is small, the rotation speed of the outdoor fan is reduced.
When the pressure difference is large, the rotation speed of the outdoor fan is increased.
3.9 Liquid Compression Protection Function
Outline In order to obtain the dependability of the compressor, the compressor is stopped according to
the outdoor temperature and temperature of the outdoor heat exchanger.
Detail
Operation stops depending on the outdoor temperature
Compressor turns off under the conditions that the system is in cooling operation and outdoor
temperature is below 0
°C
.
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