Daikin FTXS36HVJU - Outdoor Fan Control; Liquid Compression Protection Function

Control Specification SiUS04-924_A
Function and Control 35
3.8 Outdoor Fan Control
1. Fan OFF delay when stopped
The outdoor fan is turned OFF 60 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 speed while forced cooling operation
The outdoor fan is controlled as well as normal operation while the forced cooling operation.
6. Fan speed control while indoor / outdoor unit quiet operation
The rotation speed of the outdoor fan is reduced by the command of the indoor/outdoor unit quiet
operation.
7. Fan speed 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 low, the rotation speed of the outdoor fan is reduced.
 When the pressure difference is high, the rotation speed of the outdoor fan is controlled as well
as normal operation.
3.9 Liquid Compression Protection Function
Outline In order to ensure 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
– 12 °C (10.4°F) .