Daikin FTK25JVE9 Service Manual page 31

General Functionality
Inverter features The inverter provides the following features:
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Frequency limits The following table shows the functions that define the minimum and maximum frequency:
Low
High
Forced cooling/ For more information, refer to "Forced mode" on page 24.
heating operation
22
The regulating capacity can be changed according to the changes in the outside
temperature and cooling/heating load.
Quick heating and quick cooling
The compressor rotational speed is increased when starting the heating (or cooling). This
enables a quick set temperature.
Air discharge
temperature
45˚C
Start
Even during extreme cold weather, the high capacity is achieved. It is maintained even when
the outside temperature is 0°C.
Comfortable air conditioning
A detailed adjustment is integrated to ensure a fixed room temperature. It is possible to air
condition with a small room temperature variation.
Energy saving heating and cooling
Once the set temperature is reached, the energy saving operation enables to maintain the
room temperature at low power.
Frequency limits
" four way valve operation compensation. Refer to page 37.
" Wet Operation Protection Function. Refer to page 39.
" Input current control. Refer to page 34.
" Compressor protection function. Refer to page 38.
" low outdoor temperature control. Refer to page 19.
" high pressure limitation. Refer to page 19.
" peak cut off. Refer to page 19.
" freeze-up prevention. Refer to page 19.
" defrost control. Refer to page 23.
inverter
normal heat pump
60 120
Limited during the activation of following functions
Si04-115
seconds
300
(R1901)
Main Function