ABB i-bus KNX Product Manual page 52

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ABB i-bus KNX
Parameters
7.4.1.2.1 —
Dependent parameter
Additional-stage cooling
This parameter is visible if, in the Channel function parameter, the Controller channel option is selected
and the Basic-stage cooling parameter is not deactivated.
Options:
The type of application for the additional-stage cooling is selected with this parameter. The controller
is pre-configured based on this selection and can be used for the selected application.
•
Deactivated: The additional-stage cooling is deactivated by selecting this option. All dependent
parameters and parameter windows are also deactivated.
•
Area cooling (e.g. cooling ceiling): This option should be selected if an area, e.g. cooling ceiling,
is used as the additional-stage cooling.
The Basic-stage cooling control value type parameter is pre-parameterized to PI continuous
(0...100%) with the corresponding P and I proportions.
•
Free configuration: With this option it is possible to select freely the type of additional-stage cooling
and also the type of control. This option can be selected if the type of application is not entirely clear
or if specific adjustments are necessary.
The Basic-stage cooling control value type parameter is pre-configured to PI continuous (0...100%),
however it is possible to select freely between all control types.
Dependent parameters:
•
Actuate additional-stage cooling via
50 2CDC508220D0211 Rev. A | VC/S 4.x.1
Deactivated
Area cooling (e.g. cooling ceiling)
Free configuration