Daikin D-Series Service Manual page 62

SiBE12-522
Inverter Features The inverter provides the following features:
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 operation mode" on page 83.
Heating Operation
Function and Control
The regulating capacity can be changed according to the changes in the outdoor air
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 outdoor air temperature is 2°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 73.
Input current control. Refer to page 74.
Compressor protection function. Refer to page 73.
Heating Peak-cut control. Refer to page 75.
Freeze-up protection. Refer to page 75.
Defrost control. Refer to page 77.
inverter
normal heat pump
60 120
Limited during the activation of following functions
Main Functions
seconds
300
(R1187)
51