Input Current Control - Daikin FTXS09DVJU Service Manual

Control Specification (15/18/24 Class)
4.5

Input Current Control

Outline Detect an input current by the CT during the compressor is running, and set the frequency upper
limit from such input current.
In case of heat pump model, this control is the upper limit control function of the frequency which
takes priority of the lower limit of four way valve activating compensation.
Detail The frequency control will be made within the following zones.
When a "stop current" continues for 2.5 seconds after rushing on the stop zone, the compressor
operation stops.
If a "drooping current" is continues for 1.0 second after rushing on the drooping zone, the frequency
will be 2 Hz drooping.
Repeating the above drooping continues until the current rushes on the drooping zone without
change.
In the keep zone, the frequency limit will remain.
In the return / reset zone, the frequency limit will be cancelled.
Limitation of current drooping and stop value according to the outdoor air temperature
1. In case the operation mode is cooling
2. In case the operation mode is heating
52
The current droops when outdoor air temperature becomes higher than a certain level (model
by model).
The current droops when outdoor air temperature becomes higher than a certain level (model
by model).
SiUS04-702
Function and Control