Communication Object For Fresh Air - ABB i-bus KNX Yucus YUB/U1.0.1 Series Technical Reference Manual

KNX Technical Reference Manual
ABB i-Bus ® KNX Yucus
This parameter is to define the fan speed of the fresh air system after a power restart.
The fan speed selected must reference to the fresh air system. For example, if the fresh
air system maximum fan speed is level 3, the fan speed after power restart must be with
3 of lower, else fresh air system will not function normally.
If this parameter selected "Off", device will transmit an off command when the power
restart.
If this parameter selected "No Telegram", device will not transmit any command when the
power restart.

Communication object for Fresh Air

12.39
12.39.1 Fresh Air mode – Fan speed - Object no
Object name
FAF：Fan speed-1
FAF：Fan speed 1
FAF：Fan speed 2
FAF：Fan speed 3
FAF：Fan speed 4
FAF：Fan speed 5
FAF：Fan speed
This group of communication objects is to control the fan speed level of the fresh air
system and receiving of command for the fresh air fan speed.
Group object 281 "FAF：Fan speed-1 byte" will enable the direct control of the fan speed
level depending on the fan speed level that was define in "common parameter – Fan
speed levels". 0 means off, 1, 2, 3, 4, 5 means the fan speed level of the fresh air system.
Group object 282 - 286 "FAF: Fan speed X-1 bit", each 1 bit group object represents
different level of fan speed, depending on the fan speed level that was define in "common
parameter – Fan speed levels", these 1 bit group objects are interlock with each other (at
any other time, only one 1 bit group object can be trigger at the same time), when all
group objects are 0, it means that the fresh air system is Off.
Group object 287 is used to receive the fan speed control commands, , depending on the
fan speed level that was define in "common parameter – Fan speed levels", 0 means off,
1, 2, 3, 4, 5 means the fan speed level of the fresh air system.
12.39.2 Fresh Air mode – Room Temperature Display - Object no
Object name
FAF：Room Temperature
Display (display in Fresh air
page)
3
4
5
No Telegram
Data type
1 byte DPT 5.001
1 bit DPT 1.001
1 bit DPT 1.001
1 bit DPT 1.001
1 bit DPT 1.001
1 bit DPT 1.001
1 byte DPT 5.001
Data type
2 byte DPT 9.001
Flags
C，R，T
C，R，T
C，R，T
C，R，T
C，R，T
C，R，T
C，W，T，U
Flags
C，W，T, U
169