
ABB i-bus® KNX
PARAMETERS
7.4.55
Basic-stage cooling [actuator]
This parameter is used to define how basic-stage cooling is used.
Option
Deactivated
Basic-stage cooling is deactivated.
Activated
The following dependent parameters are shown:
•
Type of heating/cooling system
•
•
Activate basic-stage cooling via
The following dependent group objects are displayed:
•
Prerequisites for visibility
\ Option
Actuator channel
• The parameter is in the parameter window
.
7.4.56
Basic-stage cooling [controller]
This parameter is used to define how basic-stage cooling is used. The controller is preset based on the
selected option.
Option
Deactivated
Basic-stage cooling is deactivated.
Area cooling (e.g. cooling ceiling)
Basic-stage cooling is set for the use of area cooling. The parameter
Type of control value Basic-stage
is set to the option
PI continuous (0 … 100 %)
with the corresponding P- and I-proportions.
The following dependent parameter windows are shown:
•
The following dependent parameters are shown:
•
Activate basic-stage cooling via
•
•
•
The following dependent group objects are displayed:
•
Free configuration
Additional-stage cooling can be configured as required. The parameter
is preset to the option
PI continuous (0 … 100 %)
but can be changed.
The following dependent parameter windows are shown:
•
The following dependent parameters are shown:
•
Activate basic-stage cooling via
•
•
•
The following dependent group objects are displayed:
•
Prerequisites for visibility
\ Option
Controller channel
• The parameter is in the parameter window
.
7.4.57
Hysteresis
This parameter is used to define the hysteresis that is to apply above and below the setpoint to prevent
continuous switching of the controller.
Product manual | EN-US | VC/S 4.x.1 | 2CDC508220D0211 Rev. B
86
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