KNX Technical Reference Manual
ABB i-Bus
®
KNX Yucus
168
12.38
Fresh Air functions
Note: The following parameters can only be used when the "Fresh Air" page is
activated in "Page_combine" parameter.
12.38.1
Common parameter – Fan speed levels
Options
1
2
3
4
5
This parameter is used to define the level of fan speeds that can be controlled in the Fresh
Air mode. The level of fan speeds has to be the same as what is being define by the Fresh
Air system.
If the level of fan speeds specified by this parameter does not match the level of fan
speeds define by the Fresh Air system, this would result in not being able to have full
control of the Fresh Air system fan speeds.
12.38.2
Common parameter – Enable communication object “Fan Speed” 1Byte
Options
Activate
Deactivate
This parameter will define whether can the fresh air mode fan speed can be activated
with a 1 byte datapoint. Please select the datapoint according to the datapoint type define
by the fresh air system. If this parameter is activated and the fresh air system does not
support 1 byte datapoint, this will result in the device being unable to control the fan speed
of the fresh air system.
12.38.3
Common parameter – Enable communication object “Fan Speed” 1bit
Options
Activate
Deactivate
This parameter will define whether can the fresh air mode fan speed can be activated
with a 1 bit datapoint. Please select the datapoint according to the datapoint type define
by the fresh air system. If this parameter is activated and the fresh air system does not
support 1 bit datapoint, this will result in the device being unable to control the fan speed
of the fresh air system.
12.38.4
Common parameter – Fan speed after reset (depend on the selection of
“Fan speed levels”)
Options
Off
1
2